Import Upstream version 20.10.16

This commit is contained in:
luoyaoming 2022-12-16 13:24:03 +08:00
commit 46a93db995
13056 changed files with 3447227 additions and 0 deletions

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version: 2
jobs:
lint:
working_directory: /work
docker: [{image: 'docker:20.10-git'}]
environment:
DOCKER_BUILDKIT: 1
steps:
- checkout
- setup_remote_docker:
version: 20.10.6
reusable: true
exclusive: false
- run:
name: "Docker version"
command: docker version
- run:
name: "Docker info"
command: docker info
- run:
name: "Shellcheck - build image"
command: |
docker build --progress=plain -f dockerfiles/Dockerfile.shellcheck --tag cli-validator:$CIRCLE_BUILD_NUM .
- run:
name: "Shellcheck"
command: |
docker run --rm cli-validator:$CIRCLE_BUILD_NUM \
make shellcheck
- run:
name: "Lint - build image"
command: |
docker build --progress=plain -f dockerfiles/Dockerfile.lint --tag cli-linter:$CIRCLE_BUILD_NUM .
- run:
name: "Lint"
command: |
docker run --rm cli-linter:$CIRCLE_BUILD_NUM
cross:
working_directory: /work
docker: [{image: 'docker:20.10-git'}]
environment:
DOCKER_BUILDKIT: 1
BUILDX_VERSION: "v0.8.2"
parallelism: 3
steps:
- checkout
- setup_remote_docker:
version: 20.10.6
reusable: true
exclusive: false
- run:
name: "Docker version"
command: docker version
- run:
name: "Docker info"
command: docker info
- run: apk add make curl
- run: mkdir -vp ~/.docker/cli-plugins/
- run: curl -fsSL --output ~/.docker/cli-plugins/docker-buildx https://github.com/docker/buildx/releases/download/${BUILDX_VERSION}/buildx-${BUILDX_VERSION}.linux-amd64
- run: chmod a+x ~/.docker/cli-plugins/docker-buildx
- run: docker buildx version
- run: docker context create buildctx
- run: docker buildx create --use buildctx && docker buildx inspect --bootstrap
- run: GROUP_INDEX=$CIRCLE_NODE_INDEX GROUP_TOTAL=$CIRCLE_NODE_TOTAL docker buildx bake cross --progress=plain
- store_artifacts:
path: /work/build
test:
working_directory: /work
docker: [{image: 'docker:20.10-git'}]
environment:
DOCKER_BUILDKIT: 1
steps:
- checkout
- setup_remote_docker:
version: 20.10.6
reusable: true
exclusive: false
- run:
name: "Docker version"
command: docker version
- run:
name: "Docker info"
command: docker info
- run:
name: "Unit Test with Coverage - build image"
command: |
mkdir -p test-results/unit-tests
docker build --progress=plain -f dockerfiles/Dockerfile.dev --tag cli-builder:$CIRCLE_BUILD_NUM .
- run:
name: "Unit Test with Coverage"
command: |
docker run \
-e GOTESTSUM_JUNITFILE=/tmp/junit.xml \
--name \
test-$CIRCLE_BUILD_NUM cli-builder:$CIRCLE_BUILD_NUM \
make test-coverage
docker cp \
test-$CIRCLE_BUILD_NUM:/tmp/junit.xml \
./test-results/unit-tests/junit.xml
- run:
name: "Upload to Codecov"
command: |
docker cp \
test-$CIRCLE_BUILD_NUM:/go/src/github.com/docker/cli/coverage.txt \
coverage.txt
apk add -U bash curl
curl -s https://codecov.io/bash | bash || \
echo 'Codecov failed to upload'
- store_test_results:
path: test-results
- store_artifacts:
path: test-results
validate:
working_directory: /work
docker: [{image: 'docker:20.10-git'}]
environment:
DOCKER_BUILDKIT: 1
steps:
- checkout
- setup_remote_docker:
version: 20.10.6
reusable: true
exclusive: false
- run:
name: "Docker version"
command: docker version
- run:
name: "Docker info"
command: docker info
- run:
name: "Validate - build image"
command: |
rm -f .dockerignore # include .git
docker build --progress=plain -f dockerfiles/Dockerfile.dev --tag cli-builder-with-git:$CIRCLE_BUILD_NUM .
- run:
name: "Validate Vendor, Docs, and Code Generation"
command: |
docker run --rm cli-builder-with-git:$CIRCLE_BUILD_NUM \
make ci-validate
no_output_timeout: 15m
workflows:
version: 2
ci:
jobs:
- lint
- cross
- test
- validate

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cli/.dockerignore Normal file
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.circleci
.dockerignore
.github
.gitignore
appveyor.yml
build
/vndr.log

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# GitHub code owners
# See https://github.com/blog/2392-introducing-code-owners
cli/command/stack/** @silvin-lubecki
contrib/completion/bash/** @albers
contrib/completion/zsh/** @sdurrheimer
docs/** @thaJeztah

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<!--
If you are reporting a new issue, make sure that we do not have any duplicates
already open. You can ensure this by searching the issue list for this
repository. If there is a duplicate, please close your issue and add a comment
to the existing issue instead.
If you suspect your issue is a bug, please edit your issue description to
include the BUG REPORT INFORMATION shown below. If you fail to provide this
information within 7 days, we cannot debug your issue and will close it. We
will, however, reopen it if you later provide the information.
For more information about reporting issues, see
https://github.com/docker/cli/blob/master/CONTRIBUTING.md#reporting-other-issues
---------------------------------------------------
GENERAL SUPPORT INFORMATION
---------------------------------------------------
The GitHub issue tracker is for bug reports and feature requests.
General support can be found at the following locations:
- Docker Support Forums - https://forums.docker.com
- Docker Community Slack - https://dockr.ly/community
- Post a question on StackOverflow, using the Docker tag
---------------------------------------------------
BUG REPORT INFORMATION
---------------------------------------------------
Use the commands below to provide key information from your environment:
You do NOT have to include this information if this is a FEATURE REQUEST
-->
**Description**
<!--
Briefly describe the problem you are having in a few paragraphs.
-->
**Steps to reproduce the issue:**
1.
2.
3.
**Describe the results you received:**
**Describe the results you expected:**
**Additional information you deem important (e.g. issue happens only occasionally):**
**Output of `docker version`:**
```
(paste your output here)
```
**Output of `docker info`:**
```
(paste your output here)
```
**Additional environment details (AWS, VirtualBox, physical, etc.):**

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<!--
Please make sure you've read and understood our contributing guidelines;
https://github.com/docker/cli/blob/master/CONTRIBUTING.md
** Make sure all your commits include a signature generated with `git commit -s` **
For additional information on our contributing process, read our contributing
guide https://docs.docker.com/opensource/code/
If this is a bug fix, make sure your description includes "fixes #xxxx", or
"closes #xxxx"
Please provide the following information:
-->
**- What I did**
**- How I did it**
**- How to verify it**
**- Description for the changelog**
<!--
Write a short (one line) summary that describes the changes in this
pull request for inclusion in the changelog:
-->
**- A picture of a cute animal (not mandatory but encouraged)**

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# For most projects, this workflow file will not need changing; you simply need
# to commit it to your repository.
#
# You may wish to alter this file to override the set of languages analyzed,
# or to provide custom queries or build logic.
name: "CodeQL"
on:
# push:
# branches: [master]
# pull_request:
# # The branches below must be a subset of the branches above
# branches: [master]
schedule:
# ┌───────────── minute (0 - 59)
# │ ┌───────────── hour (0 - 23)
# │ │ ┌───────────── day of the month (1 - 31)
# │ │ │ ┌───────────── month (1 - 12)
# │ │ │ │ ┌───────────── day of the week (0 - 6) (Sunday to Saturday)
# │ │ │ │ │
# │ │ │ │ │
# │ │ │ │ │
# * * * * *
- cron: '0 9 * * 4'
jobs:
analyze:
name: Analyze
runs-on: ubuntu-latest
strategy:
fail-fast: false
matrix:
# Override automatic language detection by changing the below list
# Supported options are ['csharp', 'cpp', 'go', 'java', 'javascript', 'python']
language: ['go']
# Learn more...
# https://docs.github.com/en/github/finding-security-vulnerabilities-and-errors-in-your-code/configuring-code-scanning#overriding-automatic-language-detection
steps:
- name: Checkout repository
uses: actions/checkout@v2
with:
# We must fetch at least the immediate parents so that if this is
# a pull request then we can checkout the head.
fetch-depth: 2
# If this run was triggered by a pull request event, then checkout
# the head of the pull request instead of the merge commit.
- run: git checkout HEAD^2
if: ${{ github.event_name == 'pull_request' }}
# Initializes the CodeQL tools for scanning.
- name: Initialize CodeQL
uses: github/codeql-action/init@v1
with:
languages: ${{ matrix.language }}
# If you wish to specify custom queries, you can do so here or in a config file.
# By default, queries listed here will override any specified in a config file.
# Prefix the list here with "+" to use these queries and those in the config file.
# queries: ./path/to/local/query, your-org/your-repo/queries@main
# Autobuild attempts to build any compiled languages (C/C++, C#, or Java).
# If this step fails, then you should remove it and run the build manually (see below)
- name: Autobuild
uses: github/codeql-action/autobuild@v1
# Command-line programs to run using the OS shell.
# 📚 https://git.io/JvXDl
# ✏️ If the Autobuild fails above, remove it and uncomment the following three lines
# and modify them (or add more) to build your code if your project
# uses a compiled language
#- run: |
# make bootstrap
# make release
- name: Perform CodeQL Analysis
uses: github/codeql-action/analyze@v1

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cli/.gitignore vendored Normal file
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# if you want to ignore files created by your editor/tools,
# please consider a global .gitignore https://help.github.com/articles/ignoring-files
*.exe
*.exe~
*.orig
.*.swp
.DS_Store
Thumbs.db
.editorconfig
/build/
cli/winresources/rsrc_*.syso
/man/man1/
/man/man5/
/man/man8/
/docs/yaml/gen/
coverage.txt
profile.out
/vndr.log

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cli/.golangci.yml Normal file
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linters:
enable:
- bodyclose
- deadcode
- dogsled
- gocyclo
- goimports
- golint
- gosec
- gosimple
- govet
- ineffassign
- interfacer
- lll
- megacheck
- misspell
- nakedret
- staticcheck
- structcheck
- typecheck
- unconvert
- unparam
- unused
- varcheck
disable:
- errcheck
run:
timeout: 5m
skip-dirs:
- cli/command/stack/kubernetes/api/openapi
- cli/command/stack/kubernetes/api/client
skip-files:
- cli/compose/schema/bindata.go
- .*generated.*
linters-settings:
gocyclo:
min-complexity: 16
govet:
check-shadowing: false
lll:
line-length: 200
nakedret:
command: nakedret
pattern: ^(?P<path>.*?\\.go):(?P<line>\\d+)\\s*(?P<message>.*)$
issues:
# The default exclusion rules are a bit too permissive, so copying the relevant ones below
exclude-use-default: false
exclude:
- parameter .* always receives
exclude-rules:
# These are copied from the default exclude rules, except for "ineffective break statement"
# and GoDoc checks.
# https://github.com/golangci/golangci-lint/blob/0cc87df732aaf1d5ad9ce9ca538d38d916918b36/pkg/config/config.go#L36
- text: "Error return value of .((os\\.)?std(out|err)\\..*|.*Close|.*Flush|os\\.Remove(All)?|.*printf?|os\\.(Un)?Setenv). is not checked"
linters:
- errcheck
- text: "func name will be used as test\\.Test.* by other packages, and that stutters; consider calling this"
linters:
- golint
- text: "G103: Use of unsafe calls should be audited"
linters:
- gosec
- text: "G104: Errors unhandled"
linters:
- gosec
- text: "G204: Subprocess launch(ed with (variable|function call)|ing should be audited)"
linters:
- gosec
- text: "(G301|G302): (Expect directory permissions to be 0750 or less|Expect file permissions to be 0600 or less)"
linters:
- gosec
- text: "G304: Potential file inclusion via variable"
linters:
- gosec
- text: "(G201|G202): SQL string (formatting|concatenation)"
linters:
- gosec

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cli/.mailmap Normal file
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# Generate AUTHORS: scripts/docs/generate-authors.sh
# Tip for finding duplicates (besides scanning the output of AUTHORS for name
# duplicates that aren't also email duplicates): scan the output of:
# git log --format='%aE - %aN' | sort -uf
#
# For explanation on this file format: man git-shortlog
Aaron L. Xu <liker.xu@foxmail.com>
Abhinandan Prativadi <abhi@docker.com>
Ace Tang <aceapril@126.com>
Adrien Gallouët <adrien@gallouet.fr> <angt@users.noreply.github.com>
Ahmed Kamal <email.ahmedkamal@googlemail.com>
Ahmet Alp Balkan <ahmetb@microsoft.com> <ahmetalpbalkan@gmail.com>
AJ Bowen <aj@soulshake.net>
AJ Bowen <aj@soulshake.net> <aj@gandi.net>
AJ Bowen <aj@soulshake.net> <amy@gandi.net>
Akihiro Matsushima <amatsusbit@gmail.com> <amatsus@users.noreply.github.com>
Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp>
Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp> <suda.akihiro@lab.ntt.co.jp>
Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp> <suda.kyoto@gmail.com>
Aleksa Sarai <asarai@suse.de>
Aleksa Sarai <asarai@suse.de> <asarai@suse.com>
Aleksa Sarai <asarai@suse.de> <cyphar@cyphar.com>
Aleksandrs Fadins <aleks@s-ko.net>
Alessandro Boch <aboch@tetrationanalytics.com> <aboch@docker.com>
Alex Chen <alexchenunix@gmail.com> <root@localhost.localdomain>
Alex Ellis <alexellis2@gmail.com>
Alexander Larsson <alexl@redhat.com> <alexander.larsson@gmail.com>
Alexander Morozov <lk4d4@docker.com>
Alexander Morozov <lk4d4@docker.com> <lk4d4math@gmail.com>
Alexandre Beslic <alexandre.beslic@gmail.com> <abronan@docker.com>
Alicia Lauerman <alicia@eta.im> <allydevour@me.com>
Allen Sun <allensun.shl@alibaba-inc.com> <allen.sun@daocloud.io>
Allen Sun <allensun.shl@alibaba-inc.com> <shlallen1990@gmail.com>
Andrew Weiss <andrew.weiss@docker.com> <andrew.weiss@microsoft.com>
Andrew Weiss <andrew.weiss@docker.com> <andrew.weiss@outlook.com>
André Martins <aanm90@gmail.com> <martins@noironetworks.com>
Andy Rothfusz <github@developersupport.net> <github@metaliveblog.com>
Andy Smith <github@anarkystic.com>
Ankush Agarwal <ankushagarwal11@gmail.com> <ankushagarwal@users.noreply.github.com>
Antonio Murdaca <antonio.murdaca@gmail.com> <amurdaca@redhat.com>
Antonio Murdaca <antonio.murdaca@gmail.com> <me@runcom.ninja>
Antonio Murdaca <antonio.murdaca@gmail.com> <runcom@linux.com>
Antonio Murdaca <antonio.murdaca@gmail.com> <runcom@redhat.com>
Antonio Murdaca <antonio.murdaca@gmail.com> <runcom@users.noreply.github.com>
Anuj Bahuguna <anujbahuguna.dev@gmail.com>
Anuj Bahuguna <anujbahuguna.dev@gmail.com> <abahuguna@fiberlink.com>
Anusha Ragunathan <anusha.ragunathan@docker.com> <anusha@docker.com>
Ao Li <la9249@163.com>
Arnaud Porterie <arnaud.porterie@docker.com>
Arnaud Porterie <arnaud.porterie@docker.com> <icecrime@gmail.com>
Arthur Gautier <baloo@gandi.net> <superbaloo+registrations.github@superbaloo.net>
Arthur Peka <arthur.peka@outlook.com> <arthrp@users.noreply.github.com>
Avi Miller <avi.miller@oracle.com> <avi.miller@gmail.com>
Ben Bonnefoy <frenchben@docker.com>
Ben Golub <ben.golub@dotcloud.com>
Ben Toews <mastahyeti@gmail.com> <mastahyeti@users.noreply.github.com>
Benoit Chesneau <bchesneau@gmail.com>
Bhiraj Butala <abhiraj.butala@gmail.com>
Bhumika Bayani <bhumikabayani@gmail.com>
Bilal Amarni <bilal.amarni@gmail.com> <bamarni@users.noreply.github.com>
Bill Wang <ozbillwang@gmail.com> <SydOps@users.noreply.github.com>
Bin Liu <liubin0329@gmail.com>
Bin Liu <liubin0329@gmail.com> <liubin0329@users.noreply.github.com>
Bingshen Wang <bingshen.wbs@alibaba-inc.com>
Boaz Shuster <ripcurld.github@gmail.com>
Brandon Philips <brandon.philips@coreos.com> <brandon@ifup.co>
Brandon Philips <brandon.philips@coreos.com> <brandon@ifup.org>
Brent Salisbury <brent.salisbury@docker.com> <brent@docker.com>
Brian Goff <cpuguy83@gmail.com>
Brian Goff <cpuguy83@gmail.com> <bgoff@cpuguy83-mbp.home>
Brian Goff <cpuguy83@gmail.com> <bgoff@cpuguy83-mbp.local>
Carlos de Paula <me@carlosedp.com>
Chad Faragher <wyckster@hotmail.com>
Chander Govindarajan <chandergovind@gmail.com>
Chao Wang <wangchao.fnst@cn.fujitsu.com> <chaowang@localhost.localdomain>
Charles Hooper <charles.hooper@dotcloud.com> <chooper@plumata.com>
Chen Chao <cc272309126@gmail.com>
Chen Chuanliang <chen.chuanliang@zte.com.cn>
Chen Mingjie <chenmingjie0828@163.com>
Chen Qiu <cheney-90@hotmail.com>
Chen Qiu <cheney-90@hotmail.com> <21321229@zju.edu.cn>
Chris Dias <cdias@microsoft.com>
Chris McKinnel <chris.mckinnel@tangentlabs.co.uk>
Christopher Biscardi <biscarch@sketcht.com>
Christopher Latham <sudosurootdev@gmail.com>
Christy Norman <christy@linux.vnet.ibm.com>
Chun Chen <ramichen@tencent.com> <chenchun.feed@gmail.com>
Comical Derskeal <27731088+derskeal@users.noreply.github.com>
Corbin Coleman <corbin.coleman@docker.com>
Cristian Staretu <cristian.staretu@gmail.com>
Cristian Staretu <cristian.staretu@gmail.com> <unclejack@users.noreply.github.com>
Cristian Staretu <cristian.staretu@gmail.com> <unclejacksons@gmail.com>
CUI Wei <ghostplant@qq.com> cuiwei13 <cuiwei13@pku.edu.cn>
Daehyeok Mun <daehyeok@gmail.com>
Daehyeok Mun <daehyeok@gmail.com> <daehyeok@daehyeok-ui-MacBook-Air.local>
Daehyeok Mun <daehyeok@gmail.com> <daehyeok@daehyeokui-MacBook-Air.local>
Daisuke Ito <itodaisuke00@gmail.com>
Dan Feldman <danf@jfrog.com>
Daniel Dao <dqminh@cloudflare.com>
Daniel Dao <dqminh@cloudflare.com> <dqminh89@gmail.com>
Daniel Garcia <daniel@danielgarcia.info>
Daniel Gasienica <daniel@gasienica.ch> <dgasienica@zynga.com>
Daniel Goosen <daniel.goosen@surveysampling.com> <djgoosen@users.noreply.github.com>
Daniel Grunwell <mwgrunny@gmail.com>
Daniel J Walsh <dwalsh@redhat.com>
Daniel Mizyrycki <daniel.mizyrycki@dotcloud.com> <daniel@dotcloud.com>
Daniel Mizyrycki <daniel.mizyrycki@dotcloud.com> <mzdaniel@glidelink.net>
Daniel Mizyrycki <daniel.mizyrycki@dotcloud.com> <root@vagrant-ubuntu-12.10.vagrantup.com>
Daniel Nephin <dnephin@docker.com> <dnephin@gmail.com>
Daniel Norberg <dano@spotify.com> <daniel.norberg@gmail.com>
Daniel Watkins <daniel@daniel-watkins.co.uk>
Danny Yates <danny@codeaholics.org> <Danny.Yates@mailonline.co.uk>
Darren Shepherd <darren.s.shepherd@gmail.com> <darren@rancher.com>
Dattatraya Kumbhar <dattatraya.kumbhar@gslab.com>
Dave Goodchild <buddhamagnet@gmail.com>
Dave Henderson <dhenderson@gmail.com> <Dave.Henderson@ca.ibm.com>
Dave Tucker <dt@docker.com> <dave@dtucker.co.uk>
David M. Karr <davidmichaelkarr@gmail.com>
David Sheets <dsheets@docker.com> <sheets@alum.mit.edu>
David Sissitka <me@dsissitka.com>
David Williamson <david.williamson@docker.com> <davidwilliamson@users.noreply.github.com>
Deshi Xiao <dxiao@redhat.com> <dsxiao@dataman-inc.com>
Deshi Xiao <dxiao@redhat.com> <xiaods@gmail.com>
Diego Siqueira <dieg0@live.com>
Diogo Monica <diogo@docker.com> <diogo.monica@gmail.com>
Dominik Honnef <dominik@honnef.co> <dominikh@fork-bomb.org>
Doug Davis <dug@us.ibm.com> <duglin@users.noreply.github.com>
Doug Tangren <d.tangren@gmail.com>
Drew Erny <derny@mirantis.com>
Drew Erny <derny@mirantis.com> <drew.erny@docker.com>
Elan Ruusamäe <glen@pld-linux.org>
Elan Ruusamäe <glen@pld-linux.org> <glen@delfi.ee>
Elango Sivanandam <elango.siva@docker.com>
Eric G. Noriega <enoriega@vizuri.com> <egnoriega@users.noreply.github.com>
Eric Hanchrow <ehanchrow@ine.com> <eric.hanchrow@gmail.com>
Eric Rosenberg <ehaydenr@gmail.com> <ehaydenr@users.noreply.github.com>
Erica Windisch <erica@windisch.us> <eric@windisch.us>
Erica Windisch <erica@windisch.us> <ewindisch@docker.com>
Erik Hollensbe <github@hollensbe.org> <erik+github@hollensbe.org>
Erwin van der Koogh <info@erronis.nl>
Euan Kemp <euan.kemp@coreos.com> <euank@amazon.com>
Eugen Krizo <eugen.krizo@gmail.com>
Evan Hazlett <ejhazlett@gmail.com> <ehazlett@users.noreply.github.com>
Evelyn Xu <evelynhsu21@gmail.com>
Evgeny Shmarnev <shmarnev@gmail.com>
Faiz Khan <faizkhan00@gmail.com>
Felix Hupfeld <felix@quobyte.com> <quofelix@users.noreply.github.com>
Felix Ruess <felix.ruess@gmail.com> <felix.ruess@roboception.de>
Feng Yan <fy2462@gmail.com>
Fengtu Wang <wangfengtu@huawei.com> <wangfengtu@huawei.com>
Francisco Carriedo <fcarriedo@gmail.com>
Frank Rosquin <frank.rosquin+github@gmail.com> <frank.rosquin@gmail.com>
Frederick F. Kautz IV <fkautz@redhat.com> <fkautz@alumni.cmu.edu>
Gabriel Nicolas Avellaneda <avellaneda.gabriel@gmail.com>
Gaetan de Villele <gdevillele@gmail.com>
Gang Qiao <qiaohai8866@gmail.com> <1373319223@qq.com>
George Kontridze <george@bugsnag.com>
Gerwim Feiken <g.feiken@tfe.nl> <gerwim@gmail.com>
Giampaolo Mancini <giampaolo@trampolineup.com>
Gopikannan Venugopalsamy <gopikannan.venugopalsamy@gmail.com>
Gou Rao <gou@portworx.com> <gourao@users.noreply.github.com>
Greg Stephens <greg@udon.org>
Guillaume J. Charmes <guillaume.charmes@docker.com> <charmes.guillaume@gmail.com>
Guillaume J. Charmes <guillaume.charmes@docker.com> <guillaume.charmes@dotcloud.com>
Guillaume J. Charmes <guillaume.charmes@docker.com> <guillaume@charmes.net>
Guillaume J. Charmes <guillaume.charmes@docker.com> <guillaume@docker.com>
Guillaume J. Charmes <guillaume.charmes@docker.com> <guillaume@dotcloud.com>
Guillaume Le Floch <glfloch@gmail.com>
Gurjeet Singh <gurjeet@singh.im> <singh.gurjeet@gmail.com>
Gustav Sinder <gustav.sinder@gmail.com>
Günther Jungbluth <gunther@gameslabs.net>
Hakan Özler <hakan.ozler@kodcu.com>
Hao Shu Wei <haosw@cn.ibm.com>
Hao Shu Wei <haosw@cn.ibm.com> <haoshuwei1989@163.com>
Harald Albers <github@albersweb.de> <albers@users.noreply.github.com>
Harold Cooper <hrldcpr@gmail.com>
Harry Zhang <harryz@hyper.sh> <harryzhang@zju.edu.cn>
Harry Zhang <harryz@hyper.sh> <resouer@163.com>
Harry Zhang <harryz@hyper.sh> <resouer@gmail.com>
Harry Zhang <resouer@163.com>
Harshal Patil <harshal.patil@in.ibm.com> <harche@users.noreply.github.com>
Helen Xie <chenjg@harmonycloud.cn>
Hollie Teal <hollie@docker.com>
Hollie Teal <hollie@docker.com> <hollie.teal@docker.com>
Hollie Teal <hollie@docker.com> <hollietealok@users.noreply.github.com>
Hu Keping <hukeping@huawei.com>
Hugo Gabriel Eyherabide <hugogabriel.eyherabide@gmail.com>
Huu Nguyen <huu@prismskylabs.com> <whoshuu@gmail.com>
Hyzhou Zhy <hyzhou.zhy@alibaba-inc.com>
Hyzhou Zhy <hyzhou.zhy@alibaba-inc.com> <1187766782@qq.com>
Ian Campbell <ian.campbell@docker.com>
Ian Campbell <ian.campbell@docker.com> <ijc@docker.com>
Ilya Khlopotov <ilya.khlopotov@gmail.com>
Jack Laxson <jackjrabbit@gmail.com>
Jacob Atzen <jacob@jacobatzen.dk> <jatzen@gmail.com>
Jacob Tomlinson <jacob@tom.linson.uk> <jacobtomlinson@users.noreply.github.com>
Jaivish Kothari <janonymous.codevulture@gmail.com>
Jake Lambert <jake.lambert@volusion.com>
Jake Lambert <jake.lambert@volusion.com> <32850427+jake-lambert-volusion@users.noreply.github.com>
Jamie Hannaford <jamie@limetree.org> <jamie.hannaford@rackspace.com>
Jean-Baptiste Barth <jeanbaptiste.barth@gmail.com>
Jean-Baptiste Dalido <jeanbaptiste@appgratis.com>
Jean-Pierre Huynh <jean-pierre.huynh@ounet.fr> <jp@moogsoft.com>
Jean-Tiare Le Bigot <jt@yadutaf.fr> <admin@jtlebi.fr>
Jeff Anderson <jeff@docker.com> <jefferya@programmerq.net>
Jeff Nickoloff <jeff.nickoloff@gmail.com> <jeff@allingeek.com>
Jeroen Franse <jeroenfranse@gmail.com>
Jessica Frazelle <jess@oxide.computer>
Jessica Frazelle <jess@oxide.computer> <acidburn@docker.com>
Jessica Frazelle <jess@oxide.computer> <acidburn@google.com>
Jessica Frazelle <jess@oxide.computer> <acidburn@microsoft.com>
Jessica Frazelle <jess@oxide.computer> <jess@docker.com>
Jessica Frazelle <jess@oxide.computer> <jess@mesosphere.com>
Jessica Frazelle <jess@oxide.computer> <jessfraz@google.com>
Jessica Frazelle <jess@oxide.computer> <jfrazelle@users.noreply.github.com>
Jessica Frazelle <jess@oxide.computer> <me@jessfraz.com>
Jessica Frazelle <jess@oxide.computer> <princess@docker.com>
Jim Galasyn <jim.galasyn@docker.com>
Jiuyue Ma <majiuyue@huawei.com>
Joey Geiger <jgeiger@gmail.com>
Joffrey F <joffrey@docker.com>
Joffrey F <joffrey@docker.com> <f.joffrey@gmail.com>
Joffrey F <joffrey@docker.com> <joffrey@dotcloud.com>
Johan Euphrosine <proppy@google.com> <proppy@aminche.com>
John Harris <john@johnharris.io>
John Howard <github@lowenna.com>
John Howard <github@lowenna.com> <John.Howard@microsoft.com>
John Howard <github@lowenna.com> <jhoward@microsoft.com>
John Howard <github@lowenna.com> <jhoward@ntdev.microsoft.com>
John Howard <github@lowenna.com> <jhowardmsft@users.noreply.github.com>
John Howard <github@lowenna.com> <john.howard@microsoft.com>
John Stephens <johnstep@docker.com> <johnstep@users.noreply.github.com>
Jordan Arentsen <blissdev@gmail.com>
Jordan Jennings <jjn2009@gmail.com> <jjn2009@users.noreply.github.com>
Jorit Kleine-Möllhoff <joppich@bricknet.de> <joppich@users.noreply.github.com>
Jose Diaz-Gonzalez <email@josediazgonzalez.com>
Jose Diaz-Gonzalez <email@josediazgonzalez.com> <jose@seatgeek.com>
Jose Diaz-Gonzalez <email@josediazgonzalez.com> <josegonzalez@users.noreply.github.com>
Josh Eveleth <joshe@opendns.com> <jeveleth@users.noreply.github.com>
Josh Hawn <josh.hawn@docker.com> <jlhawn@berkeley.edu>
Josh Horwitz <horwitz@addthis.com> <horwitzja@gmail.com>
Josh Soref <jsoref@gmail.com> <jsoref@users.noreply.github.com>
Josh Wilson <josh.wilson@fivestars.com> <jcwilson@users.noreply.github.com>
Joyce Jang <mail@joycejang.com>
Julien Bordellier <julienbordellier@gmail.com> <git@julienbordellier.com>
Julien Bordellier <julienbordellier@gmail.com> <me@julienbordellier.com>
Justin Cormack <justin.cormack@docker.com>
Justin Cormack <justin.cormack@docker.com> <justin.cormack@unikernel.com>
Justin Cormack <justin.cormack@docker.com> <justin@specialbusservice.com>
Justin Simonelis <justin.p.simonelis@gmail.com> <justin.simonelis@PTS-JSIMON2.toronto.exclamation.com>
Jérôme Petazzoni <jerome.petazzoni@docker.com> <jerome.petazzoni@dotcloud.com>
Jérôme Petazzoni <jerome.petazzoni@docker.com> <jerome.petazzoni@gmail.com>
Jérôme Petazzoni <jerome.petazzoni@docker.com> <jp@enix.org>
K. Heller <pestophagous@gmail.com> <pestophagous@users.noreply.github.com>
Kai Qiang Wu (Kennan) <wkq5325@gmail.com>
Kai Qiang Wu (Kennan) <wkq5325@gmail.com> <wkqwu@cn.ibm.com>
Kamil Domański <kamil@domanski.co>
Kamjar Gerami <kami.gerami@gmail.com>
Kat Samperi <kat.samperi@gmail.com> <kizzie@users.noreply.github.com>
Kathryn Spiers <kathryn@spiers.me>
Kathryn Spiers <kathryn@spiers.me> <kyle@Spiers.me>
Kathryn Spiers <kathryn@spiers.me> <Kyle@Spiers.me>
Ken Cochrane <kencochrane@gmail.com> <KenCochrane@gmail.com>
Ken Herner <kherner@progress.com> <chosenken@gmail.com>
Kenfe-Mickaël Laventure <mickael.laventure@gmail.com>
Kevin Feyrer <kevin.feyrer@btinternet.com> <kevinfeyrer@users.noreply.github.com>
Kevin Kern <kaiwentan@harmonycloud.cn>
Kevin Meredith <kevin.m.meredith@gmail.com>
Kevin Woblick <mail@kovah.de>
Kir Kolyshkin <kolyshkin@gmail.com>
Kir Kolyshkin <kolyshkin@gmail.com> <kir@openvz.org>
Kir Kolyshkin <kolyshkin@gmail.com> <kolyshkin@users.noreply.github.com>
Konrad Kleine <konrad.wilhelm.kleine@gmail.com> <kwk@users.noreply.github.com>
Konstantin Gribov <grossws@gmail.com>
Konstantin Pelykh <kpelykh@zettaset.com>
Kotaro Yoshimatsu <kotaro.yoshimatsu@gmail.com>
Kunal Kushwaha <kushwaha_kunal_v7@lab.ntt.co.jp> <kunal.kushwaha@gmail.com>
Lajos Papp <lajos.papp@sequenceiq.com> <lalyos@yahoo.com>
Lei Jitang <leijitang@huawei.com>
Lei Jitang <leijitang@huawei.com> <leijitang@gmail.com>
Liang Mingqiang <mqliang.zju@gmail.com>
Liang-Chi Hsieh <viirya@gmail.com>
Liao Qingwei <liaoqingwei@huawei.com>
Linus Heckemann <lheckemann@twig-world.com>
Linus Heckemann <lheckemann@twig-world.com> <anonymouse2048@gmail.com>
Lokesh Mandvekar <lsm5@fedoraproject.org> <lsm5@redhat.com>
Lorenzo Fontana <lo@linux.com> <fontanalorenzo@me.com>
Louis Opter <kalessin@kalessin.fr>
Louis Opter <kalessin@kalessin.fr> <louis@dotcloud.com>
Luca Favatella <luca.favatella@erlang-solutions.com> <lucafavatella@users.noreply.github.com>
Luke Marsden <me@lukemarsden.net> <luke@digital-crocus.com>
Lyn <energylyn@zju.edu.cn>
Lynda O'Leary <lyndaoleary29@gmail.com>
Lynda O'Leary <lyndaoleary29@gmail.com> <lyndaoleary@hotmail.com>
Ma Müller <mueller-ma@users.noreply.github.com>
Maciej Kalisz <maciej.d.kalisz@gmail.com>
Maciej Kalisz <maciej.d.kalisz@gmail.com> <mdkalish@users.noreply.github.com>
Madhan Raj Mookkandy <MadhanRaj.Mookkandy@microsoft.com> <madhanm@microsoft.com>
Madhu Venugopal <madhu@socketplane.io> <madhu@docker.com>
Mageee <fangpuyi@foxmail.com> <21521230.zju.edu.cn>
Mansi Nahar <mmn4185@rit.edu> <mansi.nahar@macbookpro-mansinahar.local>
Mansi Nahar <mmn4185@rit.edu> <mansinahar@users.noreply.github.com>
Marc Abramowitz <marc@marc-abramowitz.com> <msabramo@gmail.com>
Marcelo Horacio Fortino <info@fortinux.com> <fortinux@users.noreply.github.com>
Marcus Linke <marcus.linke@gmx.de>
Marianna Tessel <mtesselh@gmail.com>
Marius Ileana <marius.ileana@gmail.com>
Mark Oates <fl0yd@me.com>
Markan Patel <mpatel678@gmail.com>
Markus Kortlang <hyp3rdino@googlemail.com> <markus.kortlang@lhsystems.com>
Marsh Macy <marsma@microsoft.com>
Martin Redmond <redmond.martin@gmail.com> <martin@tinychat.com>
Martin Redmond <redmond.martin@gmail.com> <xgithub@redmond5.com>
Mary Anthony <mary.anthony@docker.com> <mary@docker.com>
Mary Anthony <mary.anthony@docker.com> <moxieandmore@gmail.com>
Mary Anthony <mary.anthony@docker.com> moxiegirl <mary@docker.com>
Mateusz Major <apkd@users.noreply.github.com>
Matt Bentley <matt.bentley@docker.com> <mbentley@mbentley.net>
Matt Schurenko <matt.schurenko@gmail.com>
Matt Williams <mattyw@me.com>
Matt Williams <mattyw@me.com> <gh@mattyw.net>
Matthew Heon <mheon@redhat.com> <mheon@mheonlaptop.redhat.com>
Matthew Mosesohn <raytrac3r@gmail.com>
Matthew Mueller <mattmuelle@gmail.com>
Matthias Kühnle <git.nivoc@neverbox.com> <kuehnle@online.de>
Mauricio Garavaglia <mauricio@medallia.com> <mauriciogaravaglia@gmail.com>
Michael Crosby <michael@docker.com> <crosby.michael@gmail.com>
Michael Crosby <michael@docker.com> <crosbymichael@gmail.com>
Michael Crosby <michael@docker.com> <michael@crosbymichael.com>
Michael Hudson-Doyle <michael.hudson@canonical.com> <michael.hudson@linaro.org>
Michael Huettermann <michael@huettermann.net>
Michael Käufl <docker@c.michael-kaeufl.de> <michael-k@users.noreply.github.com>
Michael Spetsiotis <michael_spets@hotmail.com>
Michal Minář <miminar@redhat.com>
Miguel Angel Alvarez Cabrerizo <doncicuto@gmail.com> <30386061+doncicuto@users.noreply.github.com>
Miguel Angel Fernández <elmendalerenda@gmail.com>
Mihai Borobocea <MihaiBorob@gmail.com> <MihaiBorobocea@gmail.com>
Mike Casas <mkcsas0@gmail.com> <mikecasas@users.noreply.github.com>
Mike Goelzer <mike.goelzer@docker.com> <mgoelzer@docker.com>
Milind Chawre <milindchawre@gmail.com>
Misty Stanley-Jones <misty@docker.com> <misty@apache.org>
Mohit Soni <mosoni@ebay.com> <mohitsoni1989@gmail.com>
Moorthy RS <rsmoorthy@gmail.com> <rsmoorthy@users.noreply.github.com>
Morten Hekkvang <morten.hekkvang@sbab.se>
Morten Hekkvang <morten.hekkvang@sbab.se> <morten.hekkvang@tele2.com>
Moysés Borges <moysesb@gmail.com>
Moysés Borges <moysesb@gmail.com> <moyses.furtado@wplex.com.br>
Nace Oroz <orkica@gmail.com>
Nathan LeClaire <nathan.leclaire@docker.com> <nathan.leclaire@gmail.com>
Nathan LeClaire <nathan.leclaire@docker.com> <nathanleclaire@gmail.com>
Neil Horman <nhorman@tuxdriver.com> <nhorman@hmswarspite.think-freely.org>
Nick Russo <nicholasjamesrusso@gmail.com> <nicholasrusso@icloud.com>
Nicolas Borboën <ponsfrilus@gmail.com> <ponsfrilus@users.noreply.github.com>
Nigel Poulton <nigelpoulton@hotmail.com>
Nik Nyby <nikolas@gnu.org> <nnyby@columbia.edu>
Nolan Darilek <nolan@thewordnerd.info>
O.S. Tezer <ostezer@gmail.com>
O.S. Tezer <ostezer@gmail.com> <ostezer@users.noreply.github.com>
Oh Jinkyun <tintypemolly@gmail.com> <tintypemolly@Ohui-MacBook-Pro.local>
Ouyang Liduo <oyld0210@163.com>
Patrick Stapleton <github@gdi2290.com>
Paul Liljenberg <liljenberg.paul@gmail.com> <letters@paulnotcom.se>
Pavel Tikhomirov <ptikhomirov@virtuozzo.com> <ptikhomirov@parallels.com>
Pawel Konczalski <mail@konczalski.de>
Peter Choi <phkchoi89@gmail.com> <reikani@Peters-MacBook-Pro.local>
Peter Dave Hello <hsu@peterdavehello.org> <PeterDaveHello@users.noreply.github.com>
Peter Hsu <shhsu@microsoft.com>
Peter Jaffe <pjaffe@nevo.com>
Peter Nagy <xificurC@gmail.com> <pnagy@gratex.com>
Peter Waller <p@pwaller.net> <peter@scraperwiki.com>
Phil Estes <estesp@linux.vnet.ibm.com> <estesp@gmail.com>
Philip Alexander Etling <paetling@gmail.com>
Philipp Gillé <philipp.gille@gmail.com> <philippgille@users.noreply.github.com>
Qiang Huang <h.huangqiang@huawei.com>
Qiang Huang <h.huangqiang@huawei.com> <qhuang@10.0.2.15>
Ray Tsang <rayt@google.com> <saturnism@users.noreply.github.com>
Renaud Gaubert <rgaubert@nvidia.com> <renaud.gaubert@gmail.com>
Robert Terhaar <rterhaar@atlanticdynamic.com> <robbyt@users.noreply.github.com>
Roberto G. Hashioka <roberto.hashioka@docker.com> <roberto_hashioka@hotmail.com>
Roberto Muñoz Fernández <robertomf@gmail.com> <roberto.munoz.fernandez.contractor@bbva.com>
Roman Dudin <katrmr@gmail.com> <decadent@users.noreply.github.com>
Ross Boucher <rboucher@gmail.com>
Runshen Zhu <runshen.zhu@gmail.com>
Ryan Stelly <ryan.stelly@live.com>
Sakeven Jiang <jc5930@sina.cn>
Samarth Shah <samashah@microsoft.com>
Sandeep Bansal <sabansal@microsoft.com>
Sandeep Bansal <sabansal@microsoft.com> <msabansal@microsoft.com>
Sargun Dhillon <sargun@netflix.com> <sargun@sargun.me>
Sean Lee <seanlee@tw.ibm.com> <scaleoutsean@users.noreply.github.com>
Sebastiaan van Stijn <github@gone.nl> <sebastiaan@ws-key-sebas3.dpi1.dpi>
Sebastiaan van Stijn <github@gone.nl> <thaJeztah@users.noreply.github.com>
Shaun Kaasten <shaunk@gmail.com>
Shawn Landden <shawn@churchofgit.com> <shawnlandden@gmail.com>
Shengbo Song <thomassong@tencent.com>
Shengbo Song <thomassong@tencent.com> <mymneo@163.com>
Shih-Yuan Lee <fourdollars@gmail.com>
Shishir Mahajan <shishir.mahajan@redhat.com> <smahajan@redhat.com>
Shukui Yang <yangshukui@huawei.com>
Shuwei Hao <haosw@cn.ibm.com>
Shuwei Hao <haosw@cn.ibm.com> <haoshuwei24@gmail.com>
Sidhartha Mani <sidharthamn@gmail.com>
Silvin Lubecki <silvin.lubecki@docker.com>
Silvin Lubecki <silvin.lubecki@docker.com> <31478878+silvin-lubecki@users.noreply.github.com>
Sjoerd Langkemper <sjoerd-github@linuxonly.nl> <sjoerd@byte.nl>
Solomon Hykes <solomon@docker.com> <s@docker.com>
Solomon Hykes <solomon@docker.com> <solomon.hykes@dotcloud.com>
Solomon Hykes <solomon@docker.com> <solomon@dotcloud.com>
Soshi Katsuta <soshi.katsuta@gmail.com>
Soshi Katsuta <soshi.katsuta@gmail.com> <katsuta_soshi@cyberagent.co.jp>
Sridhar Ratnakumar <sridharr@activestate.com>
Sridhar Ratnakumar <sridharr@activestate.com> <github@srid.name>
Srini Brahmaroutu <srbrahma@us.ibm.com> <sbrahma@us.ibm.com>
Srinivasan Srivatsan <srinivasan.srivatsan@hpe.com> <srinsriv@users.noreply.github.com>
Stefan Berger <stefanb@linux.vnet.ibm.com>
Stefan Berger <stefanb@linux.vnet.ibm.com> <stefanb@us.ibm.com>
Stefan J. Wernli <swernli@microsoft.com> <swernli@ntdev.microsoft.com>
Stefan S. <tronicum@user.github.com>
Stefan Scherer <stefan.scherer@docker.com>
Stefan Scherer <stefan.scherer@docker.com> <scherer_stefan@icloud.com>
Stephen Day <stevvooe@gmail.com>
Stephen Day <stevvooe@gmail.com> <stephen.day@docker.com>
Stephen Day <stevvooe@gmail.com> <stevvooe@users.noreply.github.com>
Steve Desmond <steve@vtsv.ca> <stevedesmond-ca@users.noreply.github.com>
Steve Richards <steve.richards@docker.com> stevejr <>
Sun Gengze <690388648@qq.com>
Sun Jianbo <wonderflow.sun@gmail.com>
Sun Jianbo <wonderflow.sun@gmail.com> <wonderflow@zju.edu.cn>
Sunny Gogoi <indiasuny000@gmail.com>
Sunny Gogoi <indiasuny000@gmail.com> <me@darkowlzz.space>
Sven Dowideit <SvenDowideit@home.org.au>
Sven Dowideit <SvenDowideit@home.org.au> <sven@t440s.home.gateway>
Sven Dowideit <SvenDowideit@home.org.au> <SvenDowideit@docker.com>
Sven Dowideit <SvenDowideit@home.org.au> <SvenDowideit@fosiki.com>
Sven Dowideit <SvenDowideit@home.org.au> <SvenDowideit@home.org.au>
Sven Dowideit <SvenDowideit@home.org.au> <SvenDowideit@users.noreply.github.com>
Sven Dowideit <SvenDowideit@home.org.au> <¨SvenDowideit@home.org.au¨>
Sylvain Bellemare <sylvain@ascribe.io>
Sylvain Bellemare <sylvain@ascribe.io> <sylvain.bellemare@ezeep.com>
Tangi Colin <tangicolin@gmail.com>
Tejesh Mehta <tejesh.mehta@gmail.com> <tj@init.me>
Teppei Fukuda <knqyf263@gmail.com>
Thatcher Peskens <thatcher@docker.com>
Thatcher Peskens <thatcher@docker.com> <thatcher@dotcloud.com>
Thatcher Peskens <thatcher@docker.com> <thatcher@gmx.net>
Thomas Gazagnaire <thomas@gazagnaire.org> <thomas@gazagnaire.com>
Thomas Krzero <thomas.kovatchitch@gmail.com>
Thomas Léveil <thomasleveil@gmail.com>
Thomas Léveil <thomasleveil@gmail.com> <thomasleveil@users.noreply.github.com>
Thomas Riccardi <thomas@deepomatic.com>
Thomas Riccardi <thomas@deepomatic.com> <riccardi@systran.fr>
Tibor Vass <teabee89@gmail.com> <tibor@docker.com>
Tibor Vass <teabee89@gmail.com> <tiborvass@users.noreply.github.com>
Tim Bart <tim@fewagainstmany.com>
Tim Bosse <taim@bosboot.org> <maztaim@users.noreply.github.com>
Tim Ruffles <oi@truffles.me.uk> <timruffles@googlemail.com>
Tim Terhorst <mynamewastaken+git@gmail.com>
Tim Zju <21651152@zju.edu.cn>
Timothy Hobbs <timothyhobbs@seznam.cz>
Toli Kuznets <toli@docker.com>
Tom Barlow <tomwbarlow@gmail.com>
Tom Milligan <code@tommilligan.net>
Tom Milligan <code@tommilligan.net> <tommilligan@users.noreply.github.com>
Tom Sweeney <tsweeney@redhat.com>
Tõnis Tiigi <tonistiigi@gmail.com>
Trishna Guha <trishnaguha17@gmail.com>
Tristan Carel <tristan@cogniteev.com>
Tristan Carel <tristan@cogniteev.com> <tristan.carel@gmail.com>
Ulrich Bareth <ulrich.bareth@gmail.com>
Ulrich Bareth <ulrich.bareth@gmail.com> <usb79@users.noreply.github.com>
Umesh Yadav <umesh4257@gmail.com>
Umesh Yadav <umesh4257@gmail.com> <dungeonmaster18@users.noreply.github.com>
Victor Lyuboslavsky <victor@victoreda.com>
Victor Vieux <victor.vieux@docker.com> <dev@vvieux.com>
Victor Vieux <victor.vieux@docker.com> <victor.vieux@dotcloud.com>
Victor Vieux <victor.vieux@docker.com> <victor@docker.com>
Victor Vieux <victor.vieux@docker.com> <victor@dotcloud.com>
Victor Vieux <victor.vieux@docker.com> <victorvieux@gmail.com>
Victor Vieux <victor.vieux@docker.com> <vieux@docker.com>
Viktor Vojnovski <viktor.vojnovski@amadeus.com> <vojnovski@gmail.com>
Vincent Batts <vbatts@redhat.com> <vbatts@hashbangbash.com>
Vincent Bernat <Vincent.Bernat@exoscale.ch> <bernat@luffy.cx>
Vincent Bernat <Vincent.Bernat@exoscale.ch> <vincent@bernat.im>
Vincent Demeester <vincent.demeester@docker.com> <vincent+github@demeester.fr>
Vincent Demeester <vincent.demeester@docker.com> <vincent@demeester.fr>
Vincent Demeester <vincent.demeester@docker.com> <vincent@sbr.pm>
Vishnu Kannan <vishnuk@google.com>
Vladimir Rutsky <altsysrq@gmail.com> <iamironbob@gmail.com>
Walter Stanish <walter@pratyeka.org>
Wang Guoliang <liangcszzu@163.com>
Wang Jie <wangjie5@chinaskycloud.com>
Wang Lei <wanglei@tenxcloud.com>
Wang Ping <present.wp@icloud.com>
Wang Xing <hzwangxing@corp.netease.com> <root@localhost>
Wang Yuexiao <wang.yuexiao@zte.com.cn>
Wayne Chang <wayne@neverfear.org>
Wayne Song <wsong@docker.com> <wsong@users.noreply.github.com>
Wei Wu <wuwei4455@gmail.com> cizixs <cizixs@163.com>
Wenjun Tang <tangwj2@lenovo.com> <dodia@163.com>
Wewang Xiaorenfine <wang.xiaoren@zte.com.cn>
Will Weaver <monkey@buildingbananas.com>
Xianglin Gao <xlgao@zju.edu.cn>
Xianlu Bird <xianlubird@gmail.com>
Xiaoyu Zhang <zhang.xiaoyu33@zte.com.cn>
Xuecong Liao <satorulogic@gmail.com>
Yamasaki Masahide <masahide.y@gmail.com>
Yao Zaiyong <yaozaiyong@hotmail.com>
Yassine Tijani <yasstij11@gmail.com>
Yazhong Liu <yorkiefixer@gmail.com>
Yestin Sun <sunyi0804@gmail.com> <yestin.sun@polyera.com>
Yi EungJun <eungjun.yi@navercorp.com> <semtlenori@gmail.com>
Ying Li <ying.li@docker.com>
Ying Li <ying.li@docker.com> <cyli@twistedmatrix.com>
Yong Tang <yong.tang.github@outlook.com> <yongtang@users.noreply.github.com>
Yosef Fertel <yfertel@gmail.com> <frosforever@users.noreply.github.com>
Yu Changchun <yuchangchun1@huawei.com>
Yu Chengxia <yuchengxia@huawei.com>
Yu Peng <yu.peng36@zte.com.cn>
Yu Peng <yu.peng36@zte.com.cn> <yupeng36@zte.com.cn>
Yue Zhang <zy675793960@yeah.net>
Zachary Jaffee <zjaffee@us.ibm.com> <zij@case.edu>
Zachary Jaffee <zjaffee@us.ibm.com> <zjaffee@apache.org>
ZhangHang <stevezhang2014@gmail.com>
Zhenkun Bi <bi.zhenkun@zte.com.cn>
Zhou Hao <zhouhao@cn.fujitsu.com>
Zhoulin Xie <zhoulin.xie@daocloud.io>
Zhu Kunjia <zhu.kunjia@zte.com.cn>
Zou Yu <zouyu7@huawei.com>

771
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# This file lists all individuals having contributed content to the repository.
# For how it is generated, see `scripts/docs/generate-authors.sh`.
Aanand Prasad <aanand.prasad@gmail.com>
Aaron L. Xu <liker.xu@foxmail.com>
Aaron Lehmann <aaron.lehmann@docker.com>
Aaron.L.Xu <likexu@harmonycloud.cn>
Abdur Rehman <abdur_rehman@mentor.com>
Abhinandan Prativadi <abhi@docker.com>
Abin Shahab <ashahab@altiscale.com>
Abreto FU <public@abreto.email>
Ace Tang <aceapril@126.com>
Addam Hardy <addam.hardy@gmail.com>
Adolfo Ochagavía <aochagavia92@gmail.com>
Adrian Plata <adrian.plata@docker.com>
Adrien Duermael <adrien@duermael.com>
Adrien Folie <folie.adrien@gmail.com>
Ahmet Alp Balkan <ahmetb@microsoft.com>
Aidan Feldman <aidan.feldman@gmail.com>
Aidan Hobson Sayers <aidanhs@cantab.net>
AJ Bowen <aj@soulshake.net>
Akhil Mohan <akhil.mohan@mayadata.io>
Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp>
Akim Demaille <akim.demaille@docker.com>
Alan Thompson <cloojure@gmail.com>
Albert Callarisa <shark234@gmail.com>
Albin Kerouanton <albin@akerouanton.name>
Aleksa Sarai <asarai@suse.de>
Aleksander Piotrowski <apiotrowski312@gmail.com>
Alessandro Boch <aboch@tetrationanalytics.com>
Alex Mavrogiannis <alex.mavrogiannis@docker.com>
Alex Mayer <amayer5125@gmail.com>
Alexander Boyd <alex@opengroove.org>
Alexander Larsson <alexl@redhat.com>
Alexander Morozov <lk4d4@docker.com>
Alexander Ryabov <i@sepa.spb.ru>
Alexandre González <agonzalezro@gmail.com>
Alfred Landrum <alfred.landrum@docker.com>
Alicia Lauerman <alicia@eta.im>
Allen Sun <allensun.shl@alibaba-inc.com>
Alvin Deng <alvin.q.deng@utexas.edu>
Amen Belayneh <amenbelayneh@gmail.com>
Amir Goldstein <amir73il@aquasec.com>
Amit Krishnan <amit.krishnan@oracle.com>
Amit Shukla <amit.shukla@docker.com>
Amy Lindburg <amy.lindburg@docker.com>
Anca Iordache <anca.iordache@docker.com>
Anda Xu <anda.xu@docker.com>
Andrea Luzzardi <aluzzardi@gmail.com>
Andreas Köhler <andi5.py@gmx.net>
Andrew France <andrew@avito.co.uk>
Andrew Hsu <andrewhsu@docker.com>
Andrew Macpherson <hopscotch23@gmail.com>
Andrew McDonnell <bugs@andrewmcdonnell.net>
Andrew Po <absourd.noise@gmail.com>
Andrey Petrov <andrey.petrov@shazow.net>
Andrii Berehuliak <berkusandrew@gmail.com>
André Martins <aanm90@gmail.com>
Andy Goldstein <agoldste@redhat.com>
Andy Rothfusz <github@developersupport.net>
Anil Madhavapeddy <anil@recoil.org>
Ankush Agarwal <ankushagarwal11@gmail.com>
Anne Henmi <anne.henmi@docker.com>
Anton Polonskiy <anton.polonskiy@gmail.com>
Antonio Murdaca <antonio.murdaca@gmail.com>
Antonis Kalipetis <akalipetis@gmail.com>
Anusha Ragunathan <anusha.ragunathan@docker.com>
Ao Li <la9249@163.com>
Arash Deshmeh <adeshmeh@ca.ibm.com>
Arko Dasgupta <arko.dasgupta@docker.com>
Arnaud Porterie <arnaud.porterie@docker.com>
Arthur Peka <arthur.peka@outlook.com>
Ashwini Oruganti <ashwini.oruganti@gmail.com>
Azat Khuyiyakhmetov <shadow_uz@mail.ru>
Bardia Keyoumarsi <bkeyouma@ucsc.edu>
Barnaby Gray <barnaby@pickle.me.uk>
Bastiaan Bakker <bbakker@xebia.com>
BastianHofmann <bastianhofmann@me.com>
Ben Bonnefoy <frenchben@docker.com>
Ben Creasy <ben@bencreasy.com>
Ben Firshman <ben@firshman.co.uk>
Benjamin Boudreau <boudreau.benjamin@gmail.com>
Benoit Sigoure <tsunanet@gmail.com>
Bhumika Bayani <bhumikabayani@gmail.com>
Bill Wang <ozbillwang@gmail.com>
Bin Liu <liubin0329@gmail.com>
Bingshen Wang <bingshen.wbs@alibaba-inc.com>
Boaz Shuster <ripcurld.github@gmail.com>
Bogdan Anton <contact@bogdananton.ro>
Boris Pruessmann <boris@pruessmann.org>
Bradley Cicenas <bradley.cicenas@gmail.com>
Brandon Mitchell <git@bmitch.net>
Brandon Philips <brandon.philips@coreos.com>
Brent Salisbury <brent.salisbury@docker.com>
Bret Fisher <bret@bretfisher.com>
Brian (bex) Exelbierd <bexelbie@redhat.com>
Brian Goff <cpuguy83@gmail.com>
Brian Wieder <brian@4wieders.com>
Bryan Bess <squarejaw@bsbess.com>
Bryan Boreham <bjboreham@gmail.com>
Bryan Murphy <bmurphy1976@gmail.com>
bryfry <bryon.fryer@gmail.com>
Cameron Spear <cameronspear@gmail.com>
Cao Weiwei <cao.weiwei30@zte.com.cn>
Carlo Mion <mion00@gmail.com>
Carlos Alexandro Becker <caarlos0@gmail.com>
Carlos de Paula <me@carlosedp.com>
Ce Gao <ce.gao@outlook.com>
Cedric Davies <cedricda@microsoft.com>
Cezar Sa Espinola <cezarsa@gmail.com>
Chad Faragher <wyckster@hotmail.com>
Chao Wang <wangchao.fnst@cn.fujitsu.com>
Charles Chan <charleswhchan@users.noreply.github.com>
Charles Law <claw@conduce.com>
Charles Smith <charles.smith@docker.com>
Charlie Drage <charlie@charliedrage.com>
ChaYoung You <yousbe@gmail.com>
Chen Chuanliang <chen.chuanliang@zte.com.cn>
Chen Hanxiao <chenhanxiao@cn.fujitsu.com>
Chen Mingjie <chenmingjie0828@163.com>
Chen Qiu <cheney-90@hotmail.com>
Chris Gavin <chris@chrisgavin.me>
Chris Gibson <chris@chrisg.io>
Chris McKinnel <chrismckinnel@gmail.com>
Chris Snow <chsnow123@gmail.com>
Chris Weyl <cweyl@alumni.drew.edu>
Christian Persson <saser@live.se>
Christian Stefanescu <st.chris@gmail.com>
Christophe Robin <crobin@nekoo.com>
Christophe Vidal <kriss@krizalys.com>
Christopher Biscardi <biscarch@sketcht.com>
Christopher Crone <christopher.crone@docker.com>
Christopher Jones <tophj@linux.vnet.ibm.com>
Christy Norman <christy@linux.vnet.ibm.com>
Chun Chen <ramichen@tencent.com>
Clinton Kitson <clintonskitson@gmail.com>
Coenraad Loubser <coenraad@wish.org.za>
Colin Hebert <hebert.colin@gmail.com>
Collin Guarino <collin.guarino@gmail.com>
Colm Hally <colmhally@gmail.com>
Comical Derskeal <27731088+derskeal@users.noreply.github.com>
Corey Farrell <git@cfware.com>
Corey Quon <corey.quon@docker.com>
Craig Wilhite <crwilhit@microsoft.com>
Cristian Staretu <cristian.staretu@gmail.com>
Daehyeok Mun <daehyeok@gmail.com>
Dafydd Crosby <dtcrsby@gmail.com>
Daisuke Ito <itodaisuke00@gmail.com>
dalanlan <dalanlan925@gmail.com>
Damien Nadé <github@livna.org>
Dan Cotora <dan@bluevision.ro>
Daniel Artine <daniel.artine@ufrj.br>
Daniel Cassidy <mail@danielcassidy.me.uk>
Daniel Dao <dqminh@cloudflare.com>
Daniel Farrell <dfarrell@redhat.com>
Daniel Gasienica <daniel@gasienica.ch>
Daniel Goosen <daniel.goosen@surveysampling.com>
Daniel Helfand <dhelfand@redhat.com>
Daniel Hiltgen <daniel.hiltgen@docker.com>
Daniel J Walsh <dwalsh@redhat.com>
Daniel Nephin <dnephin@docker.com>
Daniel Norberg <dano@spotify.com>
Daniel Watkins <daniel@daniel-watkins.co.uk>
Daniel Zhang <jmzwcn@gmail.com>
Daniil Nikolenko <qoo2p5@gmail.com>
Danny Berger <dpb587@gmail.com>
Darren Shepherd <darren.s.shepherd@gmail.com>
Darren Stahl <darst@microsoft.com>
Dattatraya Kumbhar <dattatraya.kumbhar@gslab.com>
Dave Goodchild <buddhamagnet@gmail.com>
Dave Henderson <dhenderson@gmail.com>
Dave Tucker <dt@docker.com>
David Beitey <david@davidjb.com>
David Calavera <david.calavera@gmail.com>
David Cramer <davcrame@cisco.com>
David Dooling <dooling@gmail.com>
David Gageot <david@gageot.net>
David Lechner <david@lechnology.com>
David Scott <dave@recoil.org>
David Sheets <dsheets@docker.com>
David Williamson <david.williamson@docker.com>
David Xia <dxia@spotify.com>
David Young <yangboh@cn.ibm.com>
Deng Guangxing <dengguangxing@huawei.com>
Denis Defreyne <denis@soundcloud.com>
Denis Gladkikh <denis@gladkikh.email>
Denis Ollier <larchunix@users.noreply.github.com>
Dennis Docter <dennis@d23.nl>
Derek McGowan <derek@mcgstyle.net>
Deshi Xiao <dxiao@redhat.com>
Dharmit Shah <shahdharmit@gmail.com>
Dhawal Yogesh Bhanushali <dbhanushali@vmware.com>
Dieter Reuter <dieter.reuter@me.com>
Dima Stopel <dima@twistlock.com>
Dimitry Andric <d.andric@activevideo.com>
Ding Fei <dingfei@stars.org.cn>
Diogo Monica <diogo@docker.com>
Djordje Lukic <djordje.lukic@docker.com>
Dmitry Gusev <dmitry.gusev@gmail.com>
Dmitry Smirnov <onlyjob@member.fsf.org>
Dmitry V. Krivenok <krivenok.dmitry@gmail.com>
Dominik Braun <dominik.braun@nbsp.de>
Don Kjer <don.kjer@gmail.com>
Dong Chen <dongluo.chen@docker.com>
Doug Davis <dug@us.ibm.com>
Drew Erny <derny@mirantis.com>
Ed Costello <epc@epcostello.com>
Elango Sivanandam <elango.siva@docker.com>
Eli Uriegas <eli.uriegas@docker.com>
Eli Uriegas <seemethere101@gmail.com>
Elias Faxö <elias.faxo@tre.se>
Elliot Luo <956941328@qq.com>
Eric Curtin <ericcurtin17@gmail.com>
Eric G. Noriega <enoriega@vizuri.com>
Eric Rosenberg <ehaydenr@gmail.com>
Eric Sage <eric.david.sage@gmail.com>
Eric-Olivier Lamey <eo@lamey.me>
Erica Windisch <erica@windisch.us>
Erik Hollensbe <github@hollensbe.org>
Erik St. Martin <alakriti@gmail.com>
Essam A. Hassan <es.hassan187@gmail.com>
Ethan Haynes <ethanhaynes@alumni.harvard.edu>
Euan Kemp <euank@euank.com>
Eugene Yakubovich <eugene.yakubovich@coreos.com>
Evan Allrich <evan@unguku.com>
Evan Hazlett <ejhazlett@gmail.com>
Evan Krall <krall@yelp.com>
Evelyn Xu <evelynhsu21@gmail.com>
Everett Toews <everett.toews@rackspace.com>
Fabio Falci <fabiofalci@gmail.com>
Fabrizio Soppelsa <fsoppelsa@mirantis.com>
Felix Hupfeld <felix@quobyte.com>
Felix Rabe <felix@rabe.io>
Filip Jareš <filipjares@gmail.com>
Flavio Crisciani <flavio.crisciani@docker.com>
Florian Klein <florian.klein@free.fr>
Forest Johnson <fjohnson@peoplenetonline.com>
Foysal Iqbal <foysal.iqbal.fb@gmail.com>
François Scala <francois.scala@swiss-as.com>
Fred Lifton <fred.lifton@docker.com>
Frederic Hemberger <mail@frederic-hemberger.de>
Frederick F. Kautz IV <fkautz@redhat.com>
Frederik Nordahl Jul Sabroe <frederikns@gmail.com>
Frieder Bluemle <frieder.bluemle@gmail.com>
Gabriel Nicolas Avellaneda <avellaneda.gabriel@gmail.com>
Gaetan de Villele <gdevillele@gmail.com>
Gang Qiao <qiaohai8866@gmail.com>
Gary Schaetz <gary@schaetzkc.com>
Genki Takiuchi <genki@s21g.com>
George MacRorie <gmacr31@gmail.com>
George Xie <georgexsh@gmail.com>
Gianluca Borello <g.borello@gmail.com>
Gildas Cuisinier <gildas.cuisinier@gcuisinier.net>
Goksu Toprak <goksu.toprak@docker.com>
Gou Rao <gou@portworx.com>
Grant Reaber <grant.reaber@gmail.com>
Greg Pflaum <gpflaum@users.noreply.github.com>
Guilhem Lettron <guilhem+github@lettron.fr>
Guillaume J. Charmes <guillaume.charmes@docker.com>
Guillaume Le Floch <glfloch@gmail.com>
gwx296173 <gaojing3@huawei.com>
Günther Jungbluth <gunther@gameslabs.net>
Hakan Özler <hakan.ozler@kodcu.com>
Hao Zhang <21521210@zju.edu.cn>
Harald Albers <github@albersweb.de>
Harold Cooper <hrldcpr@gmail.com>
Harry Zhang <harryz@hyper.sh>
He Simei <hesimei@zju.edu.cn>
Hector S <hfsam88@gmail.com>
Helen Xie <chenjg@harmonycloud.cn>
Henning Sprang <henning.sprang@gmail.com>
Henry N <henrynmail-github@yahoo.de>
Hernan Garcia <hernandanielg@gmail.com>
Hongbin Lu <hongbin034@gmail.com>
Hu Keping <hukeping@huawei.com>
Huayi Zhang <irachex@gmail.com>
Hugo Gabriel Eyherabide <hugogabriel.eyherabide@gmail.com>
huqun <huqun@zju.edu.cn>
Huu Nguyen <huu@prismskylabs.com>
Hyzhou Zhy <hyzhou.zhy@alibaba-inc.com>
Ian Campbell <ian.campbell@docker.com>
Ian Philpot <ian.philpot@microsoft.com>
Ignacio Capurro <icapurrofagian@gmail.com>
Ilya Dmitrichenko <errordeveloper@gmail.com>
Ilya Khlopotov <ilya.khlopotov@gmail.com>
Ilya Sotkov <ilya@sotkov.com>
Ioan Eugen Stan <eu@ieugen.ro>
Isabel Jimenez <contact.isabeljimenez@gmail.com>
Ivan Grcic <igrcic@gmail.com>
Ivan Markin <sw@nogoegst.net>
Jacob Atzen <jacob@jacobatzen.dk>
Jacob Tomlinson <jacob@tom.linson.uk>
Jaivish Kothari <janonymous.codevulture@gmail.com>
Jake Lambert <jake.lambert@volusion.com>
Jake Sanders <jsand@google.com>
James Nesbitt <james.nesbitt@wunderkraut.com>
James Turnbull <james@lovedthanlost.net>
Jamie Hannaford <jamie@limetree.org>
Jan Koprowski <jan.koprowski@gmail.com>
Jan Pazdziora <jpazdziora@redhat.com>
Jan-Jaap Driessen <janjaapdriessen@gmail.com>
Jana Radhakrishnan <mrjana@docker.com>
Jared Hocutt <jaredh@netapp.com>
Jasmine Hegman <jasmine@jhegman.com>
Jason Heiss <jheiss@aput.net>
Jason Plum <jplum@devonit.com>
Jay Kamat <github@jgkamat.33mail.com>
Jean Rouge <rougej+github@gmail.com>
Jean-Christophe Sirot <jean-christophe.sirot@docker.com>
Jean-Pierre Huynh <jean-pierre.huynh@ounet.fr>
Jeff Lindsay <progrium@gmail.com>
Jeff Nickoloff <jeff.nickoloff@gmail.com>
Jeff Silberman <jsilberm@gmail.com>
Jeremy Chambers <jeremy@thehipbot.com>
Jeremy Unruh <jeremybunruh@gmail.com>
Jeremy Yallop <yallop@docker.com>
Jeroen Franse <jeroenfranse@gmail.com>
Jesse Adametz <jesseadametz@gmail.com>
Jessica Frazelle <jess@oxide.computer>
Jezeniel Zapanta <jpzapanta22@gmail.com>
Jian Zhang <zhangjian.fnst@cn.fujitsu.com>
Jie Luo <luo612@zju.edu.cn>
Jilles Oldenbeuving <ojilles@gmail.com>
Jim Galasyn <jim.galasyn@docker.com>
Jimmy Leger <jimmy.leger@gmail.com>
Jimmy Song <rootsongjc@gmail.com>
jimmyxian <jimmyxian2004@yahoo.com.cn>
Jintao Zhang <zhangjintao9020@gmail.com>
Joao Fernandes <joao.fernandes@docker.com>
Joe Abbey <joe.abbey@gmail.com>
Joe Doliner <jdoliner@pachyderm.io>
Joe Gordon <joe.gordon0@gmail.com>
Joel Handwell <joelhandwell@gmail.com>
Joey Geiger <jgeiger@gmail.com>
Joffrey F <joffrey@docker.com>
Johan Euphrosine <proppy@google.com>
Johannes 'fish' Ziemke <github@freigeist.org>
John Feminella <jxf@jxf.me>
John Harris <john@johnharris.io>
John Howard <github@lowenna.com>
John Laswell <john.n.laswell@gmail.com>
John Maguire <jmaguire@duosecurity.com>
John Mulhausen <john@docker.com>
John Starks <jostarks@microsoft.com>
John Stephens <johnstep@docker.com>
John Tims <john.k.tims@gmail.com>
John V. Martinez <jvmatl@gmail.com>
John Willis <john.willis@docker.com>
Jon Johnson <jonjohnson@google.com>
Jonatas Baldin <jonatas.baldin@gmail.com>
Jonathan Boulle <jonathanboulle@gmail.com>
Jonathan Lee <jonjohn1232009@gmail.com>
Jonathan Lomas <jonathan@floatinglomas.ca>
Jonathan McCrohan <jmccrohan@gmail.com>
Jonh Wendell <jonh.wendell@redhat.com>
Jordan Jennings <jjn2009@gmail.com>
Jose J. Escobar <53836904+jescobar-docker@users.noreply.github.com>
Joseph Kern <jkern@semafour.net>
Josh Bodah <jb3689@yahoo.com>
Josh Chorlton <jchorlton@gmail.com>
Josh Hawn <josh.hawn@docker.com>
Josh Horwitz <horwitz@addthis.com>
Josh Soref <jsoref@gmail.com>
Julien Barbier <write0@gmail.com>
Julien Kassar <github@kassisol.com>
Julien Maitrehenry <julien.maitrehenry@me.com>
Justas Brazauskas <brazauskasjustas@gmail.com>
Justin Cormack <justin.cormack@docker.com>
Justin Simonelis <justin.p.simonelis@gmail.com>
Justyn Temme <justyntemme@gmail.com>
Jyrki Puttonen <jyrkiput@gmail.com>
Jérémie Drouet <jeremie.drouet@gmail.com>
Jérôme Petazzoni <jerome.petazzoni@docker.com>
Jörg Thalheim <joerg@higgsboson.tk>
Kai Blin <kai@samba.org>
Kai Qiang Wu (Kennan) <wkq5325@gmail.com>
Kara Alexandra <kalexandra@us.ibm.com>
Kareem Khazem <karkhaz@karkhaz.com>
Karthik Nayak <Karthik.188@gmail.com>
Kat Samperi <kat.samperi@gmail.com>
Kathryn Spiers <kathryn@spiers.me>
Katie McLaughlin <katie@glasnt.com>
Ke Xu <leonhartx.k@gmail.com>
Kei Ohmura <ohmura.kei@gmail.com>
Keith Hudgins <greenman@greenman.org>
Ken Cochrane <kencochrane@gmail.com>
Ken ICHIKAWA <ichikawa.ken@jp.fujitsu.com>
Kenfe-Mickaël Laventure <mickael.laventure@gmail.com>
Kevin Burke <kev@inburke.com>
Kevin Feyrer <kevin.feyrer@btinternet.com>
Kevin Kern <kaiwentan@harmonycloud.cn>
Kevin Kirsche <Kev.Kirsche+GitHub@gmail.com>
Kevin Meredith <kevin.m.meredith@gmail.com>
Kevin Richardson <kevin@kevinrichardson.co>
Kevin Woblick <mail@kovah.de>
khaled souf <khaled.souf@gmail.com>
Kim Eik <kim@heldig.org>
Kir Kolyshkin <kolyshkin@gmail.com>
Kotaro Yoshimatsu <kotaro.yoshimatsu@gmail.com>
Krasi Georgiev <krasi@vip-consult.solutions>
Kris-Mikael Krister <krismikael@protonmail.com>
Kun Zhang <zkazure@gmail.com>
Kunal Kushwaha <kushwaha_kunal_v7@lab.ntt.co.jp>
Lachlan Cooper <lachlancooper@gmail.com>
Lai Jiangshan <jiangshanlai@gmail.com>
Lars Kellogg-Stedman <lars@redhat.com>
Laura Frank <ljfrank@gmail.com>
Laurent Erignoux <lerignoux@gmail.com>
Lee Gaines <eightlimbed@gmail.com>
Lei Jitang <leijitang@huawei.com>
Lennie <github@consolejunkie.net>
Leo Gallucci <elgalu3@gmail.com>
Lewis Daly <lewisdaly@me.com>
Li Yi <denverdino@gmail.com>
Li Yi <weiyuan.yl@alibaba-inc.com>
Liang-Chi Hsieh <viirya@gmail.com>
Lifubang <lifubang@acmcoder.com>
Lihua Tang <lhtang@alauda.io>
Lily Guo <lily.guo@docker.com>
Lin Lu <doraalin@163.com>
Linus Heckemann <lheckemann@twig-world.com>
Liping Xue <lipingxue@gmail.com>
Liron Levin <liron@twistlock.com>
liwenqi <vikilwq@zju.edu.cn>
lixiaobing10051267 <li.xiaobing1@zte.com.cn>
Lloyd Dewolf <foolswisdom@gmail.com>
Lorenzo Fontana <lo@linux.com>
Louis Opter <kalessin@kalessin.fr>
Luca Favatella <luca.favatella@erlang-solutions.com>
Luca Marturana <lucamarturana@gmail.com>
Lucas Chan <lucas-github@lucaschan.com>
Luka Hartwig <mail@lukahartwig.de>
Lukas Heeren <lukas-heeren@hotmail.com>
Lukasz Zajaczkowski <Lukasz.Zajaczkowski@ts.fujitsu.com>
Lydell Manganti <LydellManganti@users.noreply.github.com>
Lénaïc Huard <lhuard@amadeus.com>
Ma Shimiao <mashimiao.fnst@cn.fujitsu.com>
Mabin <bin.ma@huawei.com>
Maciej Kalisz <maciej.d.kalisz@gmail.com>
Madhav Puri <madhav.puri@gmail.com>
Madhu Venugopal <madhu@socketplane.io>
Madhur Batra <madhurbatra097@gmail.com>
Malte Janduda <mail@janduda.net>
Manjunath A Kumatagi <mkumatag@in.ibm.com>
Mansi Nahar <mmn4185@rit.edu>
mapk0y <mapk0y@gmail.com>
Marc Bihlmaier <marc.bihlmaier@reddoxx.com>
Marco Mariani <marco.mariani@alterway.fr>
Marco Vedovati <mvedovati@suse.com>
Marcus Martins <marcus@docker.com>
Marianna Tessel <mtesselh@gmail.com>
Marius Ileana <marius.ileana@gmail.com>
Marius Sturm <marius@graylog.com>
Mark Oates <fl0yd@me.com>
Marsh Macy <marsma@microsoft.com>
Martin Mosegaard Amdisen <martin.amdisen@praqma.com>
Mary Anthony <mary.anthony@docker.com>
Mason Fish <mason.fish@docker.com>
Mason Malone <mason.malone@gmail.com>
Mateusz Major <apkd@users.noreply.github.com>
Mathieu Champlon <mathieu.champlon@docker.com>
Matt Gucci <matt9ucci@gmail.com>
Matt Robenolt <matt@ydekproductions.com>
Matteo Orefice <matteo.orefice@bites4bits.software>
Matthew Heon <mheon@redhat.com>
Matthieu Hauglustaine <matt.hauglustaine@gmail.com>
Mauro Porras P <mauroporrasp@gmail.com>
Max Shytikov <mshytikov@gmail.com>
Maxime Petazzoni <max@signalfuse.com>
Mei ChunTao <mei.chuntao@zte.com.cn>
Micah Zoltu <micah@newrelic.com>
Michael A. Smith <michael@smith-li.com>
Michael Bridgen <mikeb@squaremobius.net>
Michael Crosby <michael@docker.com>
Michael Friis <friism@gmail.com>
Michael Irwin <mikesir87@gmail.com>
Michael Käufl <docker@c.michael-kaeufl.de>
Michael Prokop <github@michael-prokop.at>
Michael Scharf <github@scharf.gr>
Michael Spetsiotis <michael_spets@hotmail.com>
Michael Steinert <mike.steinert@gmail.com>
Michael West <mwest@mdsol.com>
Michal Minář <miminar@redhat.com>
Michał Czeraszkiewicz <czerasz@gmail.com>
Miguel Angel Alvarez Cabrerizo <doncicuto@gmail.com>
Mihai Borobocea <MihaiBorob@gmail.com>
Mihuleacc Sergiu <mihuleac.sergiu@gmail.com>
Mike Brown <brownwm@us.ibm.com>
Mike Casas <mkcsas0@gmail.com>
Mike Danese <mikedanese@google.com>
Mike Dillon <mike@embody.org>
Mike Goelzer <mike.goelzer@docker.com>
Mike MacCana <mike.maccana@gmail.com>
mikelinjie <294893458@qq.com>
Mikhail Vasin <vasin@cloud-tv.ru>
Milind Chawre <milindchawre@gmail.com>
Mindaugas Rukas <momomg@gmail.com>
Miroslav Gula <miroslav.gula@naytrolabs.com>
Misty Stanley-Jones <misty@docker.com>
Mohammad Banikazemi <mb@us.ibm.com>
Mohammed Aaqib Ansari <maaquib@gmail.com>
Mohini Anne Dsouza <mohini3917@gmail.com>
Moorthy RS <rsmoorthy@gmail.com>
Morgan Bauer <mbauer@us.ibm.com>
Morten Hekkvang <morten.hekkvang@sbab.se>
Moysés Borges <moysesb@gmail.com>
Mrunal Patel <mrunalp@gmail.com>
muicoder <muicoder@gmail.com>
Muthukumar R <muthur@gmail.com>
Máximo Cuadros <mcuadros@gmail.com>
Mårten Cassel <marten.cassel@gmail.com>
Nace Oroz <orkica@gmail.com>
Nahum Shalman <nshalman@omniti.com>
Nalin Dahyabhai <nalin@redhat.com>
Nao YONASHIRO <owan.orisano@gmail.com>
Nassim 'Nass' Eddequiouaq <eddequiouaq.nassim@gmail.com>
Natalie Parker <nparker@omnifone.com>
Nate Brennand <nate.brennand@clever.com>
Nathan Hsieh <hsieh.nathan@gmail.com>
Nathan LeClaire <nathan.leclaire@docker.com>
Nathan McCauley <nathan.mccauley@docker.com>
Neil Peterson <neilpeterson@outlook.com>
Nick Adcock <nick.adcock@docker.com>
Nico Stapelbroek <nstapelbroek@gmail.com>
Nicola Kabar <nicolaka@gmail.com>
Nicolas Borboën <ponsfrilus@gmail.com>
Nicolas De Loof <nicolas.deloof@gmail.com>
Nikhil Chawla <chawlanikhil24@gmail.com>
Nikolas Garofil <nikolas.garofil@uantwerpen.be>
Nikolay Milovanov <nmil@itransformers.net>
Nir Soffer <nsoffer@redhat.com>
Nishant Totla <nishanttotla@gmail.com>
NIWA Hideyuki <niwa.niwa@nifty.ne.jp>
Noah Treuhaft <noah.treuhaft@docker.com>
O.S. Tezer <ostezer@gmail.com>
Odin Ugedal <odin@ugedal.com>
ohmystack <jun.jiang02@ele.me>
Olle Jonsson <olle.jonsson@gmail.com>
Olli Janatuinen <olli.janatuinen@gmail.com>
Oscar Wieman <oscrx@icloud.com>
Otto Kekäläinen <otto@seravo.fi>
Ovidio Mallo <ovidio.mallo@gmail.com>
Pascal Borreli <pascal@borreli.com>
Patrick Böänziger <patrick.baenziger@bsi-software.com>
Patrick Hemmer <patrick.hemmer@gmail.com>
Patrick Lang <plang@microsoft.com>
Paul <paul9869@gmail.com>
Paul Kehrer <paul.l.kehrer@gmail.com>
Paul Lietar <paul@lietar.net>
Paul Mulders <justinkb@gmail.com>
Paul Weaver <pauweave@cisco.com>
Pavel Pospisil <pospispa@gmail.com>
Paweł Szczekutowicz <pszczekutowicz@gmail.com>
Peeyush Gupta <gpeeyush@linux.vnet.ibm.com>
Per Lundberg <per.lundberg@ecraft.com>
Peter Edge <peter.edge@gmail.com>
Peter Hsu <shhsu@microsoft.com>
Peter Jaffe <pjaffe@nevo.com>
Peter Kehl <peter.kehl@gmail.com>
Peter Nagy <xificurC@gmail.com>
Peter Salvatore <peter@psftw.com>
Peter Waller <p@pwaller.net>
Phil Estes <estesp@linux.vnet.ibm.com>
Philip Alexander Etling <paetling@gmail.com>
Philipp Gillé <philipp.gille@gmail.com>
Philipp Schmied <pschmied@schutzwerk.com>
pidster <pid@pidster.com>
pixelistik <pixelistik@users.noreply.github.com>
Pratik Karki <prertik@outlook.com>
Prayag Verma <prayag.verma@gmail.com>
Preston Cowley <preston.cowley@sony.com>
Pure White <daniel48@126.com>
Qiang Huang <h.huangqiang@huawei.com>
Qinglan Peng <qinglanpeng@zju.edu.cn>
qudongfang <qudongfang@gmail.com>
Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com>
Rahul Zoldyck <rahulzoldyck@gmail.com>
Ravi Shekhar Jethani <rsjethani@gmail.com>
Ray Tsang <rayt@google.com>
Reficul <xuzhenglun@gmail.com>
Remy Suen <remy.suen@gmail.com>
Renaud Gaubert <rgaubert@nvidia.com>
Ricardo N Feliciano <FelicianoTech@gmail.com>
Rich Moyse <rich@moyse.us>
Richard Mathie <richard.mathie@amey.co.uk>
Richard Scothern <richard.scothern@gmail.com>
Rick Wieman <git@rickw.nl>
Ritesh H Shukla <sritesh@vmware.com>
Riyaz Faizullabhoy <riyaz.faizullabhoy@docker.com>
Rob Gulewich <rgulewich@netflix.com>
Robert Wallis <smilingrob@gmail.com>
Robin Naundorf <r.naundorf@fh-muenster.de>
Robin Speekenbrink <robin@kingsquare.nl>
Rodolfo Ortiz <rodolfo.ortiz@definityfirst.com>
Rogelio Canedo <rcanedo@mappy.priv>
Rohan Verma <hello@rohanverma.net>
Roland Kammerer <roland.kammerer@linbit.com>
Roman Dudin <katrmr@gmail.com>
Rory Hunter <roryhunter2@gmail.com>
Ross Boucher <rboucher@gmail.com>
Rubens Figueiredo <r.figueiredo.52@gmail.com>
Rui Cao <ruicao@alauda.io>
Ryan Belgrave <rmb1993@gmail.com>
Ryan Detzel <ryan.detzel@gmail.com>
Ryan Stelly <ryan.stelly@live.com>
Ryan Wilson-Perkin <ryanwilsonperkin@gmail.com>
Ryan Zhang <ryan.zhang@docker.com>
Sainath Grandhi <sainath.grandhi@intel.com>
Sakeven Jiang <jc5930@sina.cn>
Sally O'Malley <somalley@redhat.com>
Sam Neirinck <sam@samneirinck.com>
Samarth Shah <samashah@microsoft.com>
Sambuddha Basu <sambuddhabasu1@gmail.com>
Sami Tabet <salph.tabet@gmail.com>
Samuel Cochran <sj26@sj26.com>
Samuel Karp <skarp@amazon.com>
Santhosh Manohar <santhosh@docker.com>
Sargun Dhillon <sargun@netflix.com>
Saswat Bhattacharya <sas.saswat@gmail.com>
Scott Brenner <scott@scottbrenner.me>
Scott Collier <emailscottcollier@gmail.com>
Sean Christopherson <sean.j.christopherson@intel.com>
Sean Rodman <srodman7689@gmail.com>
Sebastiaan van Stijn <github@gone.nl>
Sergey Tryuber <Sergeant007@users.noreply.github.com>
Serhat Gülçiçek <serhat25@gmail.com>
Sevki Hasirci <s@sevki.org>
Shaun Kaasten <shaunk@gmail.com>
Sheng Yang <sheng@yasker.org>
Shijiang Wei <mountkin@gmail.com>
Shishir Mahajan <shishir.mahajan@redhat.com>
Shoubhik Bose <sbose78@gmail.com>
Shukui Yang <yangshukui@huawei.com>
Sian Lerk Lau <kiawin@gmail.com>
Sidhartha Mani <sidharthamn@gmail.com>
sidharthamani <sid@rancher.com>
Silvin Lubecki <silvin.lubecki@docker.com>
Simei He <hesimei@zju.edu.cn>
Simon Ferquel <simon.ferquel@docker.com>
Simon Heimberg <simon.heimberg@heimberg-ea.ch>
Sindhu S <sindhus@live.in>
Slava Semushin <semushin@redhat.com>
Solomon Hykes <solomon@docker.com>
Song Gao <song@gao.io>
Spencer Brown <spencer@spencerbrown.org>
squeegels <1674195+squeegels@users.noreply.github.com>
Srini Brahmaroutu <srbrahma@us.ibm.com>
Stefan S. <tronicum@user.github.com>
Stefan Scherer <stefan.scherer@docker.com>
Stefan Weil <sw@weilnetz.de>
Stephane Jeandeaux <stephane.jeandeaux@gmail.com>
Stephen Day <stevvooe@gmail.com>
Stephen Rust <srust@blockbridge.com>
Steve Durrheimer <s.durrheimer@gmail.com>
Steve Richards <steve.richards@docker.com>
Steven Burgess <steven.a.burgess@hotmail.com>
Subhajit Ghosh <isubuz.g@gmail.com>
Sun Jianbo <wonderflow.sun@gmail.com>
Sune Keller <absukl@almbrand.dk>
Sungwon Han <sungwon.han@navercorp.com>
Sunny Gogoi <indiasuny000@gmail.com>
Sven Dowideit <SvenDowideit@home.org.au>
Sylvain Baubeau <sbaubeau@redhat.com>
Sébastien HOUZÉ <cto@verylastroom.com>
T K Sourabh <sourabhtk37@gmail.com>
TAGOMORI Satoshi <tagomoris@gmail.com>
taiji-tech <csuhqg@foxmail.com>
Taylor Jones <monitorjbl@gmail.com>
Tejaswini Duggaraju <naduggar@microsoft.com>
Tengfei Wang <tfwang@alauda.io>
Teppei Fukuda <knqyf263@gmail.com>
Thatcher Peskens <thatcher@docker.com>
Thibault Coupin <thibault.coupin@gmail.com>
Thomas Gazagnaire <thomas@gazagnaire.org>
Thomas Krzero <thomas.kovatchitch@gmail.com>
Thomas Leonard <thomas.leonard@docker.com>
Thomas Léveil <thomasleveil@gmail.com>
Thomas Riccardi <thomas@deepomatic.com>
Thomas Swift <tgs242@gmail.com>
Tianon Gravi <admwiggin@gmail.com>
Tianyi Wang <capkurmagati@gmail.com>
Tibor Vass <teabee89@gmail.com>
Tim Dettrick <t.dettrick@uq.edu.au>
Tim Hockin <thockin@google.com>
Tim Sampson <tim@sampson.fi>
Tim Smith <timbot@google.com>
Tim Waugh <twaugh@redhat.com>
Tim Wraight <tim.wraight@tangentlabs.co.uk>
timfeirg <kkcocogogo@gmail.com>
Timothy Hobbs <timothyhobbs@seznam.cz>
Tobias Bradtke <webwurst@gmail.com>
Tobias Gesellchen <tobias@gesellix.de>
Todd Whiteman <todd.whiteman@joyent.com>
Tom Denham <tom@tomdee.co.uk>
Tom Fotherby <tom+github@peopleperhour.com>
Tom Klingenberg <tklingenberg@lastflood.net>
Tom Milligan <code@tommilligan.net>
Tom X. Tobin <tomxtobin@tomxtobin.com>
Tomas Tomecek <ttomecek@redhat.com>
Tomasz Kopczynski <tomek@kopczynski.net.pl>
Tomáš Hrčka <thrcka@redhat.com>
Tony Abboud <tdabboud@hotmail.com>
Tõnis Tiigi <tonistiigi@gmail.com>
Trapier Marshall <trapier.marshall@docker.com>
Travis Cline <travis.cline@gmail.com>
Tristan Carel <tristan@cogniteev.com>
Tycho Andersen <tycho@docker.com>
Tycho Andersen <tycho@tycho.ws>
uhayate <uhayate.gong@daocloud.io>
Ulrich Bareth <ulrich.bareth@gmail.com>
Ulysses Souza <ulysses.souza@docker.com>
Umesh Yadav <umesh4257@gmail.com>
Valentin Lorentz <progval+git@progval.net>
Venkateswara Reddy Bukkasamudram <bukkasamudram@outlook.com>
Veres Lajos <vlajos@gmail.com>
Victor Vieux <victor.vieux@docker.com>
Victoria Bialas <victoria.bialas@docker.com>
Viktor Stanchev <me@viktorstanchev.com>
Vimal Raghubir <vraghubir0418@gmail.com>
Vincent Batts <vbatts@redhat.com>
Vincent Bernat <Vincent.Bernat@exoscale.ch>
Vincent Demeester <vincent.demeester@docker.com>
Vincent Woo <me@vincentwoo.com>
Vishnu Kannan <vishnuk@google.com>
Vivek Goyal <vgoyal@redhat.com>
Wang Jie <wangjie5@chinaskycloud.com>
Wang Lei <wanglei@tenxcloud.com>
Wang Long <long.wanglong@huawei.com>
Wang Ping <present.wp@icloud.com>
Wang Xing <hzwangxing@corp.netease.com>
Wang Yuexiao <wang.yuexiao@zte.com.cn>
Wang Yumu <37442693@qq.com>
Wataru Ishida <ishida.wataru@lab.ntt.co.jp>
Wayne Song <wsong@docker.com>
Wen Cheng Ma <wenchma@cn.ibm.com>
Wenzhi Liang <wenzhi.liang@gmail.com>
Wes Morgan <cap10morgan@gmail.com>
Wewang Xiaorenfine <wang.xiaoren@zte.com.cn>
William Henry <whenry@redhat.com>
Xianglin Gao <xlgao@zju.edu.cn>
Xiaodong Liu <liuxiaodong@loongson.cn>
Xiaodong Zhang <a4012017@sina.com>
Xiaoxi He <xxhe@alauda.io>
Xinbo Weng <xihuanbo_0521@zju.edu.cn>
Xuecong Liao <satorulogic@gmail.com>
Yan Feng <yanfeng2@huawei.com>
Yanqiang Miao <miao.yanqiang@zte.com.cn>
Yassine Tijani <yasstij11@gmail.com>
Yi EungJun <eungjun.yi@navercorp.com>
Ying Li <ying.li@docker.com>
Yong Tang <yong.tang.github@outlook.com>
Yosef Fertel <yfertel@gmail.com>
Yu Peng <yu.peng36@zte.com.cn>
Yuan Sun <sunyuan3@huawei.com>
Yue Zhang <zy675793960@yeah.net>
Yunxiang Huang <hyxqshk@vip.qq.com>
Zachary Romero <zacromero3@gmail.com>
Zander Mackie <zmackie@gmail.com>
zebrilee <zebrilee@gmail.com>
Zhang Kun <zkazure@gmail.com>
Zhang Wei <zhangwei555@huawei.com>
Zhang Wentao <zhangwentao234@huawei.com>
ZhangHang <stevezhang2014@gmail.com>
zhenghenghuo <zhenghenghuo@zju.edu.cn>
Zhou Hao <zhouhao@cn.fujitsu.com>
Zhoulin Xie <zhoulin.xie@daocloud.io>
Zhu Guihua <zhugh.fnst@cn.fujitsu.com>
Álex González <agonzalezro@gmail.com>
Álvaro Lázaro <alvaro.lazaro.g@gmail.com>
Átila Camurça Alves <camurca.home@gmail.com>
徐俊杰 <paco.xu@daocloud.io>

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# Contributing to Docker
Want to hack on Docker? Awesome! We have a contributor's guide that explains
[setting up a Docker development environment and the contribution
process](https://docs.docker.com/opensource/project/who-written-for/).
This page contains information about reporting issues as well as some tips and
guidelines useful to experienced open source contributors. Finally, make sure
you read our [community guidelines](#docker-community-guidelines) before you
start participating.
## Topics
* [Reporting Security Issues](#reporting-security-issues)
* [Design and Cleanup Proposals](#design-and-cleanup-proposals)
* [Reporting Issues](#reporting-other-issues)
* [Quick Contribution Tips and Guidelines](#quick-contribution-tips-and-guidelines)
* [Community Guidelines](#docker-community-guidelines)
## Reporting security issues
The Docker maintainers take security seriously. If you discover a security
issue, please bring it to their attention right away!
Please **DO NOT** file a public issue, instead send your report privately to
[security@docker.com](mailto:security@docker.com).
Security reports are greatly appreciated and we will publicly thank you for it.
We also like to send gifts&mdash;if you're into Docker schwag, make sure to let
us know. We currently do not offer a paid security bounty program, but are not
ruling it out in the future.
## Reporting other issues
A great way to contribute to the project is to send a detailed report when you
encounter an issue. We always appreciate a well-written, thorough bug report,
and will thank you for it!
Check that [our issue database](https://github.com/docker/cli/issues)
doesn't already include that problem or suggestion before submitting an issue.
If you find a match, you can use the "subscribe" button to get notified on
updates. Do *not* leave random "+1" or "I have this too" comments, as they
only clutter the discussion, and don't help resolving it. However, if you
have ways to reproduce the issue or have additional information that may help
resolving the issue, please leave a comment.
When reporting issues, always include:
* The output of `docker version`.
* The output of `docker info`.
Also include the steps required to reproduce the problem if possible and
applicable. This information will help us review and fix your issue faster.
When sending lengthy log-files, consider posting them as a gist (https://gist.github.com).
Don't forget to remove sensitive data from your logfiles before posting (you can
replace those parts with "REDACTED").
## Quick contribution tips and guidelines
This section gives the experienced contributor some tips and guidelines.
### Pull requests are always welcome
Not sure if that typo is worth a pull request? Found a bug and know how to fix
it? Do it! We will appreciate it. Any significant improvement should be
documented as [a GitHub issue](https://github.com/docker/cli/issues) before
anybody starts working on it.
We are always thrilled to receive pull requests. We do our best to process them
quickly. If your pull request is not accepted on the first try,
don't get discouraged! Our contributor's guide explains [the review process we
use for simple changes](https://docs.docker.com/opensource/workflow/make-a-contribution/).
### Talking to other Docker users and contributors
<table class="tg">
<col width="45%">
<col width="65%">
<tr>
<td>Forums</td>
<td>
A public forum for users to discuss questions and explore current design patterns and
best practices about Docker and related projects in the Docker Ecosystem. To participate,
just log in with your Docker Hub account on <a href="https://forums.docker.com" target="_blank">https://forums.docker.com</a>.
</td>
</tr>
<tr>
<td>Community Slack</td>
<td>
The Docker Community has a dedicated Slack chat to discuss features and issues. You can sign-up <a href="https://dockr.ly/slack" target="_blank">with this link</a>.
</td>
</tr>
<tr>
<td>Twitter</td>
<td>
You can follow <a href="https://twitter.com/docker/" target="_blank">Docker's Twitter feed</a>
to get updates on our products. You can also tweet us questions or just
share blogs or stories.
</td>
</tr>
<tr>
<td>Stack Overflow</td>
<td>
Stack Overflow has over 17000 Docker questions listed. We regularly
monitor <a href="https://stackoverflow.com/search?tab=newest&q=docker" target="_blank">Docker questions</a>
and so do many other knowledgeable Docker users.
</td>
</tr>
</table>
### Conventions
Fork the repository and make changes on your fork in a feature branch:
- If it's a bug fix branch, name it XXXX-something where XXXX is the number of
the issue.
- If it's a feature branch, create an enhancement issue to announce
your intentions, and name it XXXX-something where XXXX is the number of the
issue.
Submit unit tests for your changes. Go has a great test framework built in; use
it! Take a look at existing tests for inspiration. [Run the full test
suite](README.md) on your branch before
submitting a pull request.
Update the documentation when creating or modifying features. Test your
documentation changes for clarity, concision, and correctness, as well as a
clean documentation build. See our contributors guide for [our style
guide](https://docs.docker.com/opensource/doc-style) and instructions on [building
the documentation](https://docs.docker.com/opensource/project/test-and-docs/#build-and-test-the-documentation).
Write clean code. Universally formatted code promotes ease of writing, reading,
and maintenance. Always run `gofmt -s -w file.go` on each changed file before
committing your changes. Most editors have plug-ins that do this automatically.
Pull request descriptions should be as clear as possible and include a reference
to all the issues that they address.
Commit messages must start with a capitalized and short summary (max. 50 chars)
written in the imperative, followed by an optional, more detailed explanatory
text which is separated from the summary by an empty line.
Code review comments may be added to your pull request. Discuss, then make the
suggested modifications and push additional commits to your feature branch. Post
a comment after pushing. New commits show up in the pull request automatically,
but the reviewers are notified only when you comment.
Pull requests must be cleanly rebased on top of master without multiple branches
mixed into the PR.
**Git tip**: If your PR no longer merges cleanly, use `rebase master` in your
feature branch to update your pull request rather than `merge master`.
Before you make a pull request, squash your commits into logical units of work
using `git rebase -i` and `git push -f`. A logical unit of work is a consistent
set of patches that should be reviewed together: for example, upgrading the
version of a vendored dependency and taking advantage of its now available new
feature constitute two separate units of work. Implementing a new function and
calling it in another file constitute a single logical unit of work. The very
high majority of submissions should have a single commit, so if in doubt: squash
down to one.
After every commit, make sure the test suite passes. Include documentation
changes in the same pull request so that a revert would remove all traces of
the feature or fix.
Include an issue reference like `Closes #XXXX` or `Fixes #XXXX` in the pull request
description that close an issue. Including references automatically closes the issue
on a merge.
Please do not add yourself to the `AUTHORS` file, as it is regenerated regularly
from the Git history.
Please see the [Coding Style](#coding-style) for further guidelines.
### Merge approval
Docker maintainers use LGTM (Looks Good To Me) in comments on the code review to
indicate acceptance.
A change requires LGTMs from an absolute majority of the maintainers of each
component affected. For example, if a change affects `docs/` and `registry/`, it
needs an absolute majority from the maintainers of `docs/` AND, separately, an
absolute majority of the maintainers of `registry/`.
For more details, see the [MAINTAINERS](MAINTAINERS) page.
### Sign your work
The sign-off is a simple line at the end of the explanation for the patch. Your
signature certifies that you wrote the patch or otherwise have the right to pass
it on as an open-source patch. The rules are pretty simple: if you can certify
the below (from [developercertificate.org](http://developercertificate.org/)):
```
Developer Certificate of Origin
Version 1.1
Copyright (C) 2004, 2006 The Linux Foundation and its contributors.
660 York Street, Suite 102,
San Francisco, CA 94110 USA
Everyone is permitted to copy and distribute verbatim copies of this
license document, but changing it is not allowed.
Developer's Certificate of Origin 1.1
By making a contribution to this project, I certify that:
(a) The contribution was created in whole or in part by me and I
have the right to submit it under the open source license
indicated in the file; or
(b) The contribution is based upon previous work that, to the best
of my knowledge, is covered under an appropriate open source
license and I have the right under that license to submit that
work with modifications, whether created in whole or in part
by me, under the same open source license (unless I am
permitted to submit under a different license), as indicated
in the file; or
(c) The contribution was provided directly to me by some other
person who certified (a), (b) or (c) and I have not modified
it.
(d) I understand and agree that this project and the contribution
are public and that a record of the contribution (including all
personal information I submit with it, including my sign-off) is
maintained indefinitely and may be redistributed consistent with
this project or the open source license(s) involved.
```
Then you just add a line to every git commit message:
Signed-off-by: Joe Smith <joe.smith@email.com>
Use your real name (sorry, no pseudonyms or anonymous contributions.)
If you set your `user.name` and `user.email` git configs, you can sign your
commit automatically with `git commit -s`.
### How can I become a maintainer?
The procedures for adding new maintainers are explained in the
global [MAINTAINERS](https://github.com/docker/opensource/blob/master/MAINTAINERS)
file in the [https://github.com/docker/opensource/](https://github.com/docker/opensource/)
repository.
Don't forget: being a maintainer is a time investment. Make sure you
will have time to make yourself available. You don't have to be a
maintainer to make a difference on the project!
## Docker community guidelines
We want to keep the Docker community awesome, growing and collaborative. We need
your help to keep it that way. To help with this we've come up with some general
guidelines for the community as a whole:
* Be nice: Be courteous, respectful and polite to fellow community members:
no regional, racial, gender, or other abuse will be tolerated. We like
nice people way better than mean ones!
* Encourage diversity and participation: Make everyone in our community feel
welcome, regardless of their background and the extent of their
contributions, and do everything possible to encourage participation in
our community.
* Keep it legal: Basically, don't get us in trouble. Share only content that
you own, do not share private or sensitive information, and don't break
the law.
* Stay on topic: Make sure that you are posting to the correct channel and
avoid off-topic discussions. Remember when you update an issue or respond
to an email you are potentially sending to a large number of people. Please
consider this before you update. Also remember that nobody likes spam.
* Don't send email to the maintainers: There's no need to send email to the
maintainers to ask them to investigate an issue or to take a look at a
pull request. Instead of sending an email, GitHub mentions should be
used to ping maintainers to review a pull request, a proposal or an
issue.
### Guideline violations — 3 strikes method
The point of this section is not to find opportunities to punish people, but we
do need a fair way to deal with people who are making our community suck.
1. First occurrence: We'll give you a friendly, but public reminder that the
behavior is inappropriate according to our guidelines.
2. Second occurrence: We will send you a private message with a warning that
any additional violations will result in removal from the community.
3. Third occurrence: Depending on the violation, we may need to delete or ban
your account.
**Notes:**
* Obvious spammers are banned on first occurrence. If we don't do this, we'll
have spam all over the place.
* Violations are forgiven after 6 months of good behavior, and we won't hold a
grudge.
* People who commit minor infractions will get some education, rather than
hammering them in the 3 strikes process.
* The rules apply equally to everyone in the community, no matter how much
you've contributed.
* Extreme violations of a threatening, abusive, destructive or illegal nature
will be addressed immediately and are not subject to 3 strikes or forgiveness.
* Contact abuse@docker.com to report abuse or appeal violations. In the case of
appeals, we know that mistakes happen, and we'll work with you to come up with a
fair solution if there has been a misunderstanding.
## Coding Style
Unless explicitly stated, we follow all coding guidelines from the Go
community. While some of these standards may seem arbitrary, they somehow seem
to result in a solid, consistent codebase.
It is possible that the code base does not currently comply with these
guidelines. We are not looking for a massive PR that fixes this, since that
goes against the spirit of the guidelines. All new contributions should make a
best effort to clean up and make the code base better than they left it.
Obviously, apply your best judgement. Remember, the goal here is to make the
code base easier for humans to navigate and understand. Always keep that in
mind when nudging others to comply.
The rules:
1. All code should be formatted with `gofmt -s`.
2. All code should pass the default levels of
[`golint`](https://github.com/golang/lint).
3. All code should follow the guidelines covered in [Effective
Go](http://golang.org/doc/effective_go.html) and [Go Code Review
Comments](https://github.com/golang/go/wiki/CodeReviewComments).
4. Comment the code. Tell us the why, the history and the context.
5. Document _all_ declarations and methods, even private ones. Declare
expectations, caveats and anything else that may be important. If a type
gets exported, having the comments already there will ensure it's ready.
6. Variable name length should be proportional to its context and no longer.
`noCommaALongVariableNameLikeThisIsNotMoreClearWhenASimpleCommentWouldDo`.
In practice, short methods will have short variable names and globals will
have longer names.
7. No underscores in package names. If you need a compound name, step back,
and re-examine why you need a compound name. If you still think you need a
compound name, lose the underscore.
8. No utils or helpers packages. If a function is not general enough to
warrant its own package, it has not been written generally enough to be a
part of a util package. Just leave it unexported and well-documented.
9. All tests should run with `go test` and outside tooling should not be
required. No, we don't need another unit testing framework. Assertion
packages are acceptable if they provide _real_ incremental value.
10. Even though we call these "rules" above, they are actually just
guidelines. Since you've read all the rules, you now know that.
If you are having trouble getting into the mood of idiomatic Go, we recommend
reading through [Effective Go](https://golang.org/doc/effective_go.html). The
[Go Blog](https://blog.golang.org) is also a great resource. Drinking the
kool-aid is a lot easier than going thirsty.

51
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# syntax=docker/dockerfile:1.3
ARG BASE_VARIANT=alpine
ARG GO_VERSION=1.17.10
ARG XX_VERSION=1.1.0
FROM --platform=$BUILDPLATFORM tonistiigi/xx:${XX_VERSION} AS xx
FROM --platform=$BUILDPLATFORM golang:${GO_VERSION}-${BASE_VARIANT} AS build-base-alpine
COPY --from=xx / /
RUN apk add --no-cache clang lld llvm file git
WORKDIR /go/src/github.com/docker/cli
FROM build-base-alpine AS build-alpine
ARG TARGETPLATFORM
# gcc is installed for libgcc only
RUN xx-apk add --no-cache musl-dev gcc
FROM --platform=$BUILDPLATFORM golang:${GO_VERSION}-buster AS build-base-buster
COPY --from=xx / /
RUN apt-get update && apt-get install --no-install-recommends -y clang lld file
WORKDIR /go/src/github.com/docker/cli
FROM build-base-buster AS build-buster
ARG TARGETPLATFORM
RUN xx-apt install --no-install-recommends -y libc6-dev libgcc-8-dev
FROM build-${BASE_VARIANT} AS build
# GO_LINKMODE defines if static or dynamic binary should be produced
ARG GO_LINKMODE=static
# GO_BUILDTAGS defines additional build tags
ARG GO_BUILDTAGS
# GO_STRIP strips debugging symbols if set
ARG GO_STRIP
# CGO_ENABLED manually sets if cgo is used
ARG CGO_ENABLED
# VERSION sets the version for the produced binary
ARG VERSION
RUN --mount=ro --mount=type=cache,target=/root/.cache \
--mount=from=dockercore/golang-cross:xx-sdk-extras,target=/xx-sdk,src=/xx-sdk \
--mount=type=tmpfs,target=cli/winresources \
xx-go --wrap && \
# export GOCACHE=$(go env GOCACHE)/$(xx-info)$([ -f /etc/alpine-release ] && echo "alpine") && \
TARGET=/out ./scripts/build/binary && \
xx-verify $([ "$GO_LINKMODE" = "static" ] && echo "--static") /out/docker
FROM build-base-${BASE_VARIANT} AS dev
COPY . .
FROM scratch AS binary
COPY --from=build /out .

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pipeline {
agent {
label "amd64 && ubuntu-1804 && overlay2"
}
options {
timeout(time: 60, unit: 'MINUTES')
}
stages {
stage("Docker info") {
steps {
sh "docker version"
sh "docker info"
}
}
stage("e2e (non-experimental) - stable engine") {
steps {
sh "E2E_UNIQUE_ID=clie2e${BUILD_NUMBER} \
IMAGE_TAG=clie2e${BUILD_NUMBER} \
make -f docker.Makefile test-e2e-non-experimental"
}
}
stage("e2e (non-experimental) - 19.03 engine") {
steps {
sh "E2E_ENGINE_VERSION=19.03-dind \
E2E_UNIQUE_ID=clie2e${BUILD_NUMBER} \
IMAGE_TAG=clie2e${BUILD_NUMBER} \
make -f docker.Makefile test-e2e-non-experimental"
}
}
stage("e2e (experimental)") {
steps {
sh "E2E_UNIQUE_ID=clie2e${BUILD_NUMBER} \
IMAGE_TAG=clie2e${BUILD_NUMBER} \
make -f docker.Makefile test-e2e-experimental"
}
}
stage("e2e (ssh connhelper)") {
steps {
sh "E2E_UNIQUE_ID=clie2e${BUILD_NUMBER} \
IMAGE_TAG=clie2e${BUILD_NUMBER} \
make -f docker.Makefile test-e2e-connhelper-ssh"
}
}
}
}

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Apache License
Version 2.0, January 2004
https://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
and distribution as defined by Sections 1 through 9 of this document.
"Licensor" shall mean the copyright owner or entity authorized by
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"Legal Entity" shall mean the union of the acting entity and all
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outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity
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"Source" form shall mean the preferred form for making modifications,
including but not limited to software source code, documentation
source, and configuration files.
"Object" form shall mean any form resulting from mechanical
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not limited to compiled object code, generated documentation,
and conversions to other media types.
"Work" shall mean the work of authorship, whether in Source or
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(an example is provided in the Appendix below).
"Derivative Works" shall mean any work, whether in Source or Object
form, that is based on (or derived from) the Work and for which the
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represent, as a whole, an original work of authorship. For the purposes
of this License, Derivative Works shall not include works that remain
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"Contribution" shall mean any work of authorship, including
the original version of the Work and any modifications or additions
to that Work or Derivative Works thereof, that is intentionally
submitted to Licensor for inclusion in the Work by the copyright owner
or by an individual or Legal Entity authorized to submit on behalf of
the copyright owner. For the purposes of this definition, "submitted"
means any form of electronic, verbal, or written communication sent
to the Licensor or its representatives, including but not limited to
communication on electronic mailing lists, source code control systems,
and issue tracking systems that are managed by, or on behalf of, the
Licensor for the purpose of discussing and improving the Work, but
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designated in writing by the copyright owner as "Not a Contribution."
"Contributor" shall mean Licensor and any individual or Legal Entity
on behalf of whom a Contribution has been received by Licensor and
subsequently incorporated within the Work.
2. Grant of Copyright License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
copyright license to reproduce, prepare Derivative Works of,
publicly display, publicly perform, sublicense, and distribute the
Work and such Derivative Works in Source or Object form.
3. Grant of Patent License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
(except as stated in this section) patent license to make, have made,
use, offer to sell, sell, import, and otherwise transfer the Work,
where such license applies only to those patent claims licensable
by such Contributor that are necessarily infringed by their
Contribution(s) alone or by combination of their Contribution(s)
with the Work to which such Contribution(s) was submitted. If You
institute patent litigation against any entity (including a
cross-claim or counterclaim in a lawsuit) alleging that the Work
or a Contribution incorporated within the Work constitutes direct
or contributory patent infringement, then any patent licenses
granted to You under this License for that Work shall terminate
as of the date such litigation is filed.
4. Redistribution. You may reproduce and distribute copies of the
Work or Derivative Works thereof in any medium, with or without
modifications, and in Source or Object form, provided that You
meet the following conditions:
(a) You must give any other recipients of the Work or
Derivative Works a copy of this License; and
(b) You must cause any modified files to carry prominent notices
stating that You changed the files; and
(c) You must retain, in the Source form of any Derivative Works
that You distribute, all copyright, patent, trademark, and
attribution notices from the Source form of the Work,
excluding those notices that do not pertain to any part of
the Derivative Works; and
(d) If the Work includes a "NOTICE" text file as part of its
distribution, then any Derivative Works that You distribute must
include a readable copy of the attribution notices contained
within such NOTICE file, excluding those notices that do not
pertain to any part of the Derivative Works, in at least one
of the following places: within a NOTICE text file distributed
as part of the Derivative Works; within the Source form or
documentation, if provided along with the Derivative Works; or,
within a display generated by the Derivative Works, if and
wherever such third-party notices normally appear. The contents
of the NOTICE file are for informational purposes only and
do not modify the License. You may add Your own attribution
notices within Derivative Works that You distribute, alongside
or as an addendum to the NOTICE text from the Work, provided
that such additional attribution notices cannot be construed
as modifying the License.
You may add Your own copyright statement to Your modifications and
may provide additional or different license terms and conditions
for use, reproduction, or distribution of Your modifications, or
for any such Derivative Works as a whole, provided Your use,
reproduction, and distribution of the Work otherwise complies with
the conditions stated in this License.
5. Submission of Contributions. Unless You explicitly state otherwise,
any Contribution intentionally submitted for inclusion in the Work
by You to the Licensor shall be under the terms and conditions of
this License, without any additional terms or conditions.
Notwithstanding the above, nothing herein shall supersede or modify
the terms of any separate license agreement you may have executed
with Licensor regarding such Contributions.
6. Trademarks. This License does not grant permission to use the trade
names, trademarks, service marks, or product names of the Licensor,
except as required for reasonable and customary use in describing the
origin of the Work and reproducing the content of the NOTICE file.
7. Disclaimer of Warranty. Unless required by applicable law or
agreed to in writing, Licensor provides the Work (and each
Contributor provides its Contributions) on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
implied, including, without limitation, any warranties or conditions
of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
PARTICULAR PURPOSE. You are solely responsible for determining the
appropriateness of using or redistributing the Work and assume any
risks associated with Your exercise of permissions under this License.
8. Limitation of Liability. In no event and under no legal theory,
whether in tort (including negligence), contract, or otherwise,
unless required by applicable law (such as deliberate and grossly
negligent acts) or agreed to in writing, shall any Contributor be
liable to You for damages, including any direct, indirect, special,
incidental, or consequential damages of any character arising as a
result of this License or out of the use or inability to use the
Work (including but not limited to damages for loss of goodwill,
work stoppage, computer failure or malfunction, or any and all
other commercial damages or losses), even if such Contributor
has been advised of the possibility of such damages.
9. Accepting Warranty or Additional Liability. While redistributing
the Work or Derivative Works thereof, You may choose to offer,
and charge a fee for, acceptance of support, warranty, indemnity,
or other liability obligations and/or rights consistent with this
License. However, in accepting such obligations, You may act only
on Your own behalf and on Your sole responsibility, not on behalf
of any other Contributor, and only if You agree to indemnify,
defend, and hold each Contributor harmless for any liability
incurred by, or claims asserted against, such Contributor by reason
of your accepting any such warranty or additional liability.
END OF TERMS AND CONDITIONS
Copyright 2013-2017 Docker, Inc.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
https://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

130
cli/MAINTAINERS Normal file
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# Docker maintainers file
#
# This file describes who runs the docker/cli project and how.
# This is a living document - if you see something out of date or missing, speak up!
#
# It is structured to be consumable by both humans and programs.
# To extract its contents programmatically, use any TOML-compliant
# parser.
#
# This file is compiled into the MAINTAINERS file in docker/opensource.
#
[Org]
[Org."Core maintainers"]
# The Core maintainers are the ghostbusters of the project: when there's a problem others
# can't solve, they show up and fix it with bizarre devices and weaponry.
# They have final say on technical implementation and coding style.
# They are ultimately responsible for quality in all its forms: usability polish,
# bugfixes, performance, stability, etc. When ownership can cleanly be passed to
# a subsystem, they are responsible for doing so and holding the
# subsystem maintainers accountable. If ownership is unclear, they are the de facto owners.
people = [
"albers",
"cpuguy83",
"silvin-lubecki",
"stevvooe",
"thajeztah",
"tibor",
"tonistiigi",
"vdemeester",
"vieux",
]
[Org.Curators]
# The curators help ensure that incoming issues and pull requests are properly triaged and
# that our various contribution and reviewing processes are respected. With their knowledge of
# the repository activity, they can also guide contributors to relevant material or
# discussions.
#
# They are neither code nor docs reviewers, so they are never expected to merge. They can
# however:
# - close an issue or pull request when it's an exact duplicate
# - close an issue or pull request when it's inappropriate or off-topic
people = [
"programmerq",
"thajeztah"
]
[Org.Alumni]
# This list contains maintainers that are no longer active on the project.
# It is thanks to these people that the project has become what it is today.
# Thank you!
people = [
# Before becoming a maintainer, Daniel Nephin was a core contributor
# to "Fig" (now known as Docker Compose). As a maintainer for both the
# Engine and Docker CLI, Daniel contributed many features, among which
# the `docker stack` commands, allowing users to deploy their Docker
# Compose projects as a Swarm service.
"dnephin",
]
[people]
# A reference list of all people associated with the project.
# All other sections should refer to people by their canonical key
# in the people section.
# ADD YOURSELF HERE IN ALPHABETICAL ORDER
[people.albers]
Name = "Harald Albers"
Email = "github@albersweb.de"
GitHub = "albers"
[people.cpuguy83]
Name = "Brian Goff"
Email = "cpuguy83@gmail.com"
GitHub = "cpuguy83"
[people.dnephin]
Name = "Daniel Nephin"
Email = "dnephin@gmail.com"
GitHub = "dnephin"
[people.programmerq]
Name = "Jeff Anderson"
Email = "jeff@docker.com"
GitHub = "programmerq"
[people.silvin-lubecki]
Name = "Silvin Lubecki"
Email = "silvin.lubecki@docker.com"
GitHub = "silvin-lubecki"
[people.stevvooe]
Name = "Stephen Day"
Email = "stevvooe@gmail.com"
GitHub = "stevvooe"
[people.thajeztah]
Name = "Sebastiaan van Stijn"
Email = "github@gone.nl"
GitHub = "thaJeztah"
[people.tibor]
Name = "Tibor Vass"
Email = "tibor@docker.com"
GitHub = "tiborvass"
[people.tonistiigi]
Name = "Tõnis Tiigi"
Email = "tonis@docker.com"
GitHub = "tonistiigi"
[people.vdemeester]
Name = "Vincent Demeester"
Email = "vincent@sbr.pm"
GitHub = "vdemeester"
[people.vieux]
Name = "Victor Vieux"
Email = "vieux@docker.com"
GitHub = "vieux"

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#
# github.com/docker/cli
#
all: binary
_:=$(shell ./scripts/warn-outside-container $(MAKECMDGOALS))
.PHONY: clean
clean: ## remove build artifacts
rm -rf ./build/* cli/winresources/rsrc_* ./man/man[1-9] docs/yaml/gen
.PHONY: test-unit
test-unit: ## run unit tests, to change the output format use: GOTESTSUM_FORMAT=(dots|short|standard-quiet|short-verbose|standard-verbose) make test-unit
gotestsum $(TESTFLAGS) -- $${TESTDIRS:-$(shell go list ./... | grep -vE '/vendor/|/e2e/')}
.PHONY: test
test: test-unit ## run tests
.PHONY: test-coverage
test-coverage: ## run test coverage
gotestsum -- -coverprofile=coverage.txt $(shell go list ./... | grep -vE '/vendor/|/e2e/')
.PHONY: fmt
fmt:
go list -f {{.Dir}} ./... | xargs gofmt -w -s -d
.PHONY: lint
lint: ## run all the lint tools
gometalinter --config gometalinter.json ./...
.PHONY: binary
binary:
./scripts/build/binary
.PHONY: plugins
plugins: ## build example CLI plugins
./scripts/build/plugins
.PHONY: cross
cross:
./scripts/build/binary
.PHONY: plugins-windows
plugins-windows: ## build example CLI plugins for Windows
./scripts/build/plugins-windows
.PHONY: plugins-osx
plugins-osx: ## build example CLI plugins for macOS
./scripts/build/plugins-osx
.PHONY: dynbinary
dynbinary: ## build dynamically linked binary
GO_LINKMODE=dynamic ./scripts/build/binary
vendor: vendor.conf ## check that vendor matches vendor.conf
rm -rf vendor
bash -c 'vndr |& grep -v -i clone | tee ./vndr.log'
scripts/validate/check-git-diff vendor
scripts/validate/check-all-packages-vendored
.PHONY: authors
authors: ## generate AUTHORS file from git history
scripts/docs/generate-authors.sh
.PHONY: manpages
manpages: ## generate man pages from go source and markdown
scripts/docs/generate-man.sh
.PHONY: yamldocs
yamldocs: ## generate documentation YAML files consumed by docs repo
scripts/docs/generate-yaml.sh
.PHONY: shellcheck
shellcheck: ## run shellcheck validation
scripts/validate/shellcheck
.PHONY: help
help: ## print this help
@awk 'BEGIN {FS = ":.*?## "} /^[a-zA-Z0-9_-]+:.*?## / {gsub("\\\\n",sprintf("\n%22c",""), $$2);printf "\033[36m%-20s\033[0m %s\n", $$1, $$2}' $(MAKEFILE_LIST)
cli/compose/schema/bindata.go: cli/compose/schema/data/*.json
go generate github.com/docker/cli/cli/compose/schema
compose-jsonschema: cli/compose/schema/bindata.go ## generate compose-file schemas
scripts/validate/check-git-diff cli/compose/schema/bindata.go
.PHONY: ci-validate
ci-validate:
time make -B vendor
time make -B compose-jsonschema
time make manpages
time make yamldocs

19
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Docker
Copyright 2012-2017 Docker, Inc.
This product includes software developed at Docker, Inc. (https://www.docker.com).
This product contains software (https://github.com/creack/pty) developed
by Keith Rarick, licensed under the MIT License.
The following is courtesy of our legal counsel:
Use and transfer of Docker may be subject to certain restrictions by the
United States and other governments.
It is your responsibility to ensure that your use and/or transfer does not
violate applicable laws.
For more information, please see https://www.bis.doc.gov
See also https://www.apache.org/dev/crypto.html and/or seek legal counsel.

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[![build status](https://circleci.com/gh/docker/cli.svg?style=shield)](https://circleci.com/gh/docker/cli/tree/master)
[![Build Status](https://ci.docker.com/public/job/cli/job/master/badge/icon)](https://ci.docker.com/public/job/cli/job/master)
docker/cli
==========
This repository is the home of the cli used in the Docker CE and
Docker EE products.
Development
===========
`docker/cli` is developed using Docker.
Build CLI from source:
```
$ docker buildx bake
```
Build binaries for all supported platforms:
```
$ docker buildx bake cross
```
Build for a specific platform:
```
$ docker buildx bake --set binary.platform=linux/arm64
```
Build dynamic binary for glibc or musl:
```
$ USE_GLIBC=1 docker buildx bake dynbinary
```
Run all linting:
```
$ make -f docker.Makefile lint
```
List all the available targets:
```
$ make help
```
### In-container development environment
Start an interactive development environment:
```
$ make -f docker.Makefile shell
```
Legal
=====
*Brought to you courtesy of our legal counsel. For more context,
please see the [NOTICE](https://github.com/docker/cli/blob/master/NOTICE) document in this repo.*
Use and transfer of Docker may be subject to certain restrictions by the
United States and other governments.
It is your responsibility to ensure that your use and/or transfer does not
violate applicable laws.
For more information, please see https://www.bis.doc.gov
Licensing
=========
docker/cli is licensed under the Apache License, Version 2.0. See
[LICENSE](https://github.com/docker/docker/blob/master/LICENSE) for the full
license text.

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# Testing
The following guidelines summarize the testing policy for docker/cli.
## Unit Test Suite
All code changes should have unit test coverage.
Error cases should be tested with unit tests.
Bug fixes should be covered by new unit tests or additional assertions in
existing unit tests.
### Details
The unit test suite follows the standard Go testing convention. Tests are
located in the package directory in `_test.go` files.
Unit tests should be named using the convention:
```
Test<Function Name><Test Case Name>
```
[Table tests](https://github.com/golang/go/wiki/TableDrivenTests) should be used
where appropriate, but may not be appropriate in all cases.
Assertions should be made using
[gotest.tools/assert](https://godoc.org/gotest.tools/assert).
Fakes, and testing utilities can be found in
[internal/test](https://godoc.org/github.com/docker/cli/internal/test) and
[gotest.tools](https://godoc.org/gotest.tools).
## End-to-End Test Suite
The end-to-end test suite tests a cli binary against a real API backend.
### Guidelines
Each feature (subcommand) should have a single end-to-end test for
the success case. The test should include all (or most) flags/options supported
by that feature.
In some rare cases a couple additional end-to-end tests may be written for a
sufficiently complex and critical feature (ex: `container run`, `service
create`, `service update`, and `docker build` may have ~3-5 cases each).
In some rare cases a sufficiently critical error paths may have a single
end-to-end test case.
In all other cases the behaviour should be covered by unit tests.
If a code change adds a new flag, that flag should be added to the existing
"success case" end-to-end test.
If a code change fixes a bug, that bug fix should be covered either by adding
assertions to the existing end-to-end test, or with one or more unit test.
### Details
The end-to-end test suite is located in
[./e2e](https://github.com/docker/cli/tree/master/e2e). Each directory in `e2e`
corresponds to a directory in `cli/command` and contains the tests for that
subcommand. Files in each directory should be named `<command>_test.go` where
command is the basename of the command (ex: the test for `docker stack deploy`
is found in `e2e/stack/deploy_test.go`).
Tests should be named using the convention:
```
Test<Command Basename>[<Test Case Name>]
```
where the test case name is only required when there are multiple test cases for
a single command.
End-to-end test should run the `docker` binary using
[gotestyourself/icmd](https://godoc.org/github.com/gotestyourself/gotestyourself/icmd)
and make assertions about the exit code, stdout, stderr, and local file system.
Any Docker image or registry operations should use `registry:5000/<image name>`
to communicate with the local instance of the Docker registry. To load
additional fixture images to the registry see
[scripts/test/e2e/run](https://github.com/docker/cli/blob/master/scripts/test/e2e/run).

1
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20.10.0-dev

23
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version: "{build}"
clone_folder: c:\gopath\src\github.com\docker\cli
environment:
GOPATH: c:\gopath
GOVERSION: 1.17.10
DEPVERSION: v0.4.1
install:
- rmdir c:\go /s /q
- appveyor DownloadFile https://storage.googleapis.com/golang/go%GOVERSION%.windows-amd64.msi
- msiexec /i go%GOVERSION%.windows-amd64.msi /q
- go version
- go env
deploy: false
build_script:
- ps: .\scripts\make.ps1 -Binary
test_script:
- ps: .\scripts\make.ps1 -TestUnit

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package main
import (
"context"
"fmt"
"os"
"github.com/docker/cli/cli-plugins/manager"
"github.com/docker/cli/cli-plugins/plugin"
"github.com/docker/cli/cli/command"
"github.com/spf13/cobra"
)
func main() {
plugin.Run(func(dockerCli command.Cli) *cobra.Command {
goodbye := &cobra.Command{
Use: "goodbye",
Short: "Say Goodbye instead of Hello",
Run: func(cmd *cobra.Command, _ []string) {
fmt.Fprintln(dockerCli.Out(), "Goodbye World!")
},
}
apiversion := &cobra.Command{
Use: "apiversion",
Short: "Print the API version of the server",
RunE: func(_ *cobra.Command, _ []string) error {
cli := dockerCli.Client()
ping, err := cli.Ping(context.Background())
if err != nil {
return err
}
fmt.Println(ping.APIVersion)
return nil
},
}
exitStatus2 := &cobra.Command{
Use: "exitstatus2",
Short: "Exit with status 2",
RunE: func(_ *cobra.Command, _ []string) error {
fmt.Fprintln(dockerCli.Err(), "Exiting with error status 2")
os.Exit(2)
return nil
},
}
var (
who, context string
preRun, debug bool
)
cmd := &cobra.Command{
Use: "helloworld",
Short: "A basic Hello World plugin for tests",
PersistentPreRunE: func(cmd *cobra.Command, args []string) error {
if err := plugin.PersistentPreRunE(cmd, args); err != nil {
return err
}
if preRun {
fmt.Fprintf(dockerCli.Err(), "Plugin PersistentPreRunE called")
}
return nil
},
RunE: func(cmd *cobra.Command, args []string) error {
if debug {
fmt.Fprintf(dockerCli.Err(), "Plugin debug mode enabled")
}
switch context {
case "Christmas":
fmt.Fprintf(dockerCli.Out(), "Merry Christmas!\n")
return nil
case "":
// nothing
}
if who == "" {
who, _ = dockerCli.ConfigFile().PluginConfig("helloworld", "who")
}
if who == "" {
who = "World"
}
fmt.Fprintf(dockerCli.Out(), "Hello %s!\n", who)
dockerCli.ConfigFile().SetPluginConfig("helloworld", "lastwho", who)
return dockerCli.ConfigFile().Save()
},
}
flags := cmd.Flags()
flags.StringVar(&who, "who", "", "Who are we addressing?")
flags.BoolVar(&preRun, "pre-run", false, "Log from prerun hook")
// These are intended to deliberately clash with the CLIs own top
// level arguments.
flags.BoolVarP(&debug, "debug", "D", false, "Enable debug")
flags.StringVarP(&context, "context", "c", "", "Is it Christmas?")
cmd.AddCommand(goodbye, apiversion, exitStatus2)
return cmd
},
manager.Metadata{
SchemaVersion: "0.1.0",
Vendor: "Docker Inc.",
Version: "testing",
})
}

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package manager
import (
exec "golang.org/x/sys/execabs"
)
// Candidate represents a possible plugin candidate, for mocking purposes
type Candidate interface {
Path() string
Metadata() ([]byte, error)
}
type candidate struct {
path string
}
func (c *candidate) Path() string {
return c.path
}
func (c *candidate) Metadata() ([]byte, error) {
return exec.Command(c.path, MetadataSubcommandName).Output()
}

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package manager
import (
"fmt"
"reflect"
"strings"
"testing"
"github.com/spf13/cobra"
"gotest.tools/v3/assert"
"gotest.tools/v3/assert/cmp"
)
type fakeCandidate struct {
path string
exec bool
meta string
}
func (c *fakeCandidate) Path() string {
return c.path
}
func (c *fakeCandidate) Metadata() ([]byte, error) {
if !c.exec {
return nil, fmt.Errorf("faked a failure to exec %q", c.path)
}
return []byte(c.meta), nil
}
func TestValidateCandidate(t *testing.T) {
const (
goodPluginName = NamePrefix + "goodplugin"
builtinName = NamePrefix + "builtin"
builtinAlias = NamePrefix + "alias"
badPrefixPath = "/usr/local/libexec/cli-plugins/wobble"
badNamePath = "/usr/local/libexec/cli-plugins/docker-123456"
goodPluginPath = "/usr/local/libexec/cli-plugins/" + goodPluginName
metaExperimental = `{"SchemaVersion": "0.1.0", "Vendor": "e2e-testing", "Experimental": true}`
)
fakeroot := &cobra.Command{Use: "docker"}
fakeroot.AddCommand(&cobra.Command{
Use: strings.TrimPrefix(builtinName, NamePrefix),
Aliases: []string{
strings.TrimPrefix(builtinAlias, NamePrefix),
},
})
for _, tc := range []struct {
name string
c *fakeCandidate
// Either err or invalid may be non-empty, but not both (both can be empty for a good plugin).
err string
invalid string
}{
/* Each failing one of the tests */
{name: "empty path", c: &fakeCandidate{path: ""}, err: "plugin candidate path cannot be empty"},
{name: "bad prefix", c: &fakeCandidate{path: badPrefixPath}, err: fmt.Sprintf("does not have %q prefix", NamePrefix)},
{name: "bad path", c: &fakeCandidate{path: badNamePath}, invalid: "did not match"},
{name: "builtin command", c: &fakeCandidate{path: builtinName}, invalid: `plugin "builtin" duplicates builtin command`},
{name: "builtin alias", c: &fakeCandidate{path: builtinAlias}, invalid: `plugin "alias" duplicates an alias of builtin command "builtin"`},
{name: "fetch failure", c: &fakeCandidate{path: goodPluginPath, exec: false}, invalid: fmt.Sprintf("failed to fetch metadata: faked a failure to exec %q", goodPluginPath)},
{name: "metadata not json", c: &fakeCandidate{path: goodPluginPath, exec: true, meta: `xyzzy`}, invalid: "invalid character"},
{name: "empty schemaversion", c: &fakeCandidate{path: goodPluginPath, exec: true, meta: `{}`}, invalid: `plugin SchemaVersion "" is not valid`},
{name: "invalid schemaversion", c: &fakeCandidate{path: goodPluginPath, exec: true, meta: `{"SchemaVersion": "xyzzy"}`}, invalid: `plugin SchemaVersion "xyzzy" is not valid`},
{name: "no vendor", c: &fakeCandidate{path: goodPluginPath, exec: true, meta: `{"SchemaVersion": "0.1.0"}`}, invalid: "plugin metadata does not define a vendor"},
{name: "empty vendor", c: &fakeCandidate{path: goodPluginPath, exec: true, meta: `{"SchemaVersion": "0.1.0", "Vendor": ""}`}, invalid: "plugin metadata does not define a vendor"},
// This one should work
{name: "valid", c: &fakeCandidate{path: goodPluginPath, exec: true, meta: `{"SchemaVersion": "0.1.0", "Vendor": "e2e-testing"}`}},
{name: "experimental + allowing experimental", c: &fakeCandidate{path: goodPluginPath, exec: true, meta: metaExperimental}},
} {
t.Run(tc.name, func(t *testing.T) {
p, err := newPlugin(tc.c, fakeroot)
if tc.err != "" {
assert.ErrorContains(t, err, tc.err)
} else if tc.invalid != "" {
assert.NilError(t, err)
assert.Assert(t, cmp.ErrorType(p.Err, reflect.TypeOf(&pluginError{})))
assert.ErrorContains(t, p.Err, tc.invalid)
} else {
assert.NilError(t, err)
assert.Equal(t, NamePrefix+p.Name, goodPluginName)
assert.Equal(t, p.SchemaVersion, "0.1.0")
assert.Equal(t, p.Vendor, "e2e-testing")
}
})
}
}
func TestCandidatePath(t *testing.T) {
exp := "/some/path"
cand := &candidate{path: exp}
assert.Equal(t, exp, cand.Path())
}

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package manager
import (
"github.com/docker/cli/cli/command"
"github.com/spf13/cobra"
)
const (
// CommandAnnotationPlugin is added to every stub command added by
// AddPluginCommandStubs with the value "true" and so can be
// used to distinguish plugin stubs from regular commands.
CommandAnnotationPlugin = "com.docker.cli.plugin"
// CommandAnnotationPluginVendor is added to every stub command
// added by AddPluginCommandStubs and contains the vendor of
// that plugin.
CommandAnnotationPluginVendor = "com.docker.cli.plugin.vendor"
// CommandAnnotationPluginVersion is added to every stub command
// added by AddPluginCommandStubs and contains the version of
// that plugin.
CommandAnnotationPluginVersion = "com.docker.cli.plugin.version"
// CommandAnnotationPluginInvalid is added to any stub command
// added by AddPluginCommandStubs for an invalid command (that
// is, one which failed it's candidate test) and contains the
// reason for the failure.
CommandAnnotationPluginInvalid = "com.docker.cli.plugin-invalid"
)
// AddPluginCommandStubs adds a stub cobra.Commands for each valid and invalid
// plugin. The command stubs will have several annotations added, see
// `CommandAnnotationPlugin*`.
func AddPluginCommandStubs(dockerCli command.Cli, cmd *cobra.Command) error {
plugins, err := ListPlugins(dockerCli, cmd)
if err != nil {
return err
}
for _, p := range plugins {
vendor := p.Vendor
if vendor == "" {
vendor = "unknown"
}
annotations := map[string]string{
CommandAnnotationPlugin: "true",
CommandAnnotationPluginVendor: vendor,
CommandAnnotationPluginVersion: p.Version,
}
if p.Err != nil {
annotations[CommandAnnotationPluginInvalid] = p.Err.Error()
}
cmd.AddCommand(&cobra.Command{
Use: p.Name,
Short: p.ShortDescription,
Run: func(_ *cobra.Command, _ []string) {},
Annotations: annotations,
})
}
return nil
}

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package manager
import (
"github.com/pkg/errors"
)
// pluginError is set as Plugin.Err by NewPlugin if the plugin
// candidate fails one of the candidate tests. This exists primarily
// to implement encoding.TextMarshaller such that rendering a plugin as JSON
// (e.g. for `docker info -f '{{json .CLIPlugins}}'`) renders the Err
// field as a useful string and not just `{}`. See
// https://github.com/golang/go/issues/10748 for some discussion
// around why the builtin error type doesn't implement this.
type pluginError struct {
cause error
}
// Error satisfies the core error interface for pluginError.
func (e *pluginError) Error() string {
return e.cause.Error()
}
// Cause satisfies the errors.causer interface for pluginError.
func (e *pluginError) Cause() error {
return e.cause
}
// Unwrap provides compatibility for Go 1.13 error chains.
func (e *pluginError) Unwrap() error {
return e.cause
}
// MarshalText marshalls the pluginError into a textual form.
func (e *pluginError) MarshalText() (text []byte, err error) {
return []byte(e.cause.Error()), nil
}
// wrapAsPluginError wraps an error in a pluginError with an
// additional message, analogous to errors.Wrapf.
func wrapAsPluginError(err error, msg string) error {
return &pluginError{cause: errors.Wrap(err, msg)}
}
// NewPluginError creates a new pluginError, analogous to
// errors.Errorf.
func NewPluginError(msg string, args ...interface{}) error {
return &pluginError{cause: errors.Errorf(msg, args...)}
}

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package manager
import (
"fmt"
"testing"
"github.com/pkg/errors"
"gopkg.in/yaml.v2"
"gotest.tools/v3/assert"
)
func TestPluginError(t *testing.T) {
err := NewPluginError("new error")
assert.Error(t, err, "new error")
inner := fmt.Errorf("testing")
err = wrapAsPluginError(inner, "wrapping")
assert.Error(t, err, "wrapping: testing")
assert.Assert(t, errors.Is(err, inner))
actual, err := yaml.Marshal(err)
assert.NilError(t, err)
assert.Equal(t, "'wrapping: testing'\n", string(actual))
}

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package manager
import (
"io/ioutil"
"os"
"path/filepath"
"sort"
"strings"
"github.com/docker/cli/cli/command"
"github.com/docker/cli/cli/config"
"github.com/fvbommel/sortorder"
"github.com/spf13/cobra"
exec "golang.org/x/sys/execabs"
)
// ReexecEnvvar is the name of an ennvar which is set to the command
// used to originally invoke the docker CLI when executing a
// plugin. Assuming $PATH and $CWD remain unchanged this should allow
// the plugin to re-execute the original CLI.
const ReexecEnvvar = "DOCKER_CLI_PLUGIN_ORIGINAL_CLI_COMMAND"
// errPluginNotFound is the error returned when a plugin could not be found.
type errPluginNotFound string
func (e errPluginNotFound) NotFound() {}
func (e errPluginNotFound) Error() string {
return "Error: No such CLI plugin: " + string(e)
}
type notFound interface{ NotFound() }
// IsNotFound is true if the given error is due to a plugin not being found.
func IsNotFound(err error) bool {
if e, ok := err.(*pluginError); ok {
err = e.Cause()
}
_, ok := err.(notFound)
return ok
}
func getPluginDirs(dockerCli command.Cli) ([]string, error) {
var pluginDirs []string
if cfg := dockerCli.ConfigFile(); cfg != nil {
pluginDirs = append(pluginDirs, cfg.CLIPluginsExtraDirs...)
}
pluginDir, err := config.Path("cli-plugins")
if err != nil {
return nil, err
}
pluginDirs = append(pluginDirs, pluginDir)
pluginDirs = append(pluginDirs, defaultSystemPluginDirs...)
return pluginDirs, nil
}
func addPluginCandidatesFromDir(res map[string][]string, d string) error {
dentries, err := ioutil.ReadDir(d)
if err != nil {
return err
}
for _, dentry := range dentries {
switch dentry.Mode() & os.ModeType {
case 0, os.ModeSymlink:
// Regular file or symlink, keep going
default:
// Something else, ignore.
continue
}
name := dentry.Name()
if !strings.HasPrefix(name, NamePrefix) {
continue
}
name = strings.TrimPrefix(name, NamePrefix)
var err error
if name, err = trimExeSuffix(name); err != nil {
continue
}
res[name] = append(res[name], filepath.Join(d, dentry.Name()))
}
return nil
}
// listPluginCandidates returns a map from plugin name to the list of (unvalidated) Candidates. The list is in descending order of priority.
func listPluginCandidates(dirs []string) (map[string][]string, error) {
result := make(map[string][]string)
for _, d := range dirs {
// Silently ignore any directories which we cannot
// Stat (e.g. due to permissions or anything else) or
// which is not a directory.
if fi, err := os.Stat(d); err != nil || !fi.IsDir() {
continue
}
if err := addPluginCandidatesFromDir(result, d); err != nil {
// Silently ignore paths which don't exist.
if os.IsNotExist(err) {
continue
}
return nil, err // Or return partial result?
}
}
return result, nil
}
// ListPlugins produces a list of the plugins available on the system
func ListPlugins(dockerCli command.Cli, rootcmd *cobra.Command) ([]Plugin, error) {
pluginDirs, err := getPluginDirs(dockerCli)
if err != nil {
return nil, err
}
candidates, err := listPluginCandidates(pluginDirs)
if err != nil {
return nil, err
}
var plugins []Plugin
for _, paths := range candidates {
if len(paths) == 0 {
continue
}
c := &candidate{paths[0]}
p, err := newPlugin(c, rootcmd)
if err != nil {
return nil, err
}
if !IsNotFound(p.Err) {
p.ShadowedPaths = paths[1:]
plugins = append(plugins, p)
}
}
sort.Slice(plugins, func(i, j int) bool {
return sortorder.NaturalLess(plugins[i].Name, plugins[j].Name)
})
return plugins, nil
}
// PluginRunCommand returns an "os/exec".Cmd which when .Run() will execute the named plugin.
// The rootcmd argument is referenced to determine the set of builtin commands in order to detect conficts.
// The error returned satisfies the IsNotFound() predicate if no plugin was found or if the first candidate plugin was invalid somehow.
func PluginRunCommand(dockerCli command.Cli, name string, rootcmd *cobra.Command) (*exec.Cmd, error) {
// This uses the full original args, not the args which may
// have been provided by cobra to our caller. This is because
// they lack e.g. global options which we must propagate here.
args := os.Args[1:]
if !pluginNameRe.MatchString(name) {
// We treat this as "not found" so that callers will
// fallback to their "invalid" command path.
return nil, errPluginNotFound(name)
}
exename := addExeSuffix(NamePrefix + name)
pluginDirs, err := getPluginDirs(dockerCli)
if err != nil {
return nil, err
}
for _, d := range pluginDirs {
path := filepath.Join(d, exename)
// We stat here rather than letting the exec tell us
// ENOENT because the latter does not distinguish a
// file not existing from its dynamic loader or one of
// its libraries not existing.
if _, err := os.Stat(path); os.IsNotExist(err) {
continue
}
c := &candidate{path: path}
plugin, err := newPlugin(c, rootcmd)
if err != nil {
return nil, err
}
if plugin.Err != nil {
// TODO: why are we not returning plugin.Err?
return nil, errPluginNotFound(name)
}
cmd := exec.Command(plugin.Path, args...)
// Using dockerCli.{In,Out,Err}() here results in a hang until something is input.
// See: - https://github.com/golang/go/issues/10338
// - https://github.com/golang/go/commit/d000e8742a173aa0659584aa01b7ba2834ba28ab
// os.Stdin is a *os.File which avoids this behaviour. We don't need the functionality
// of the wrappers here anyway.
cmd.Stdin = os.Stdin
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
cmd.Env = os.Environ()
cmd.Env = append(cmd.Env, ReexecEnvvar+"="+os.Args[0])
return cmd, nil
}
return nil, errPluginNotFound(name)
}

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package manager
import (
"strings"
"testing"
"github.com/docker/cli/cli/config"
"github.com/docker/cli/cli/config/configfile"
"github.com/docker/cli/internal/test"
"github.com/spf13/cobra"
"gotest.tools/v3/assert"
"gotest.tools/v3/fs"
)
func TestListPluginCandidates(t *testing.T) {
// Populate a selection of directories with various shadowed and bogus/obscure plugin candidates.
// For the purposes of this test no contents is required and permissions are irrelevant.
dir := fs.NewDir(t, t.Name(),
fs.WithDir(
"plugins1",
fs.WithFile("docker-plugin1", ""), // This appears in each directory
fs.WithFile("not-a-plugin", ""), // Should be ignored
fs.WithFile("docker-symlinked1", ""), // This and ...
fs.WithSymlink("docker-symlinked2", "docker-symlinked1"), // ... this should both appear
fs.WithDir("ignored1"), // A directory should be ignored
),
fs.WithDir(
"plugins2",
fs.WithFile("docker-plugin1", ""),
fs.WithFile("also-not-a-plugin", ""),
fs.WithFile("docker-hardlink1", ""), // This and ...
fs.WithHardlink("docker-hardlink2", "docker-hardlink1"), // ... this should both appear
fs.WithDir("ignored2"),
),
fs.WithDir(
"plugins3-target", // Will be referenced as a symlink from below
fs.WithFile("docker-plugin1", ""),
fs.WithDir("ignored3"),
fs.WithSymlink("docker-brokensymlink", "broken"), // A broken symlink is still a candidate (but would fail tests later)
fs.WithFile("non-plugin-symlinked", ""), // This shouldn't appear, but ...
fs.WithSymlink("docker-symlinked", "non-plugin-symlinked"), // ... this link to it should.
),
fs.WithSymlink("plugins3", "plugins3-target"),
fs.WithFile("/plugins4", ""),
fs.WithSymlink("plugins5", "plugins5-nonexistent-target"),
)
defer dir.Remove()
var dirs []string
for _, d := range []string{"plugins1", "nonexistent", "plugins2", "plugins3", "plugins4", "plugins5"} {
dirs = append(dirs, dir.Join(d))
}
candidates, err := listPluginCandidates(dirs)
assert.NilError(t, err)
exp := map[string][]string{
"plugin1": {
dir.Join("plugins1", "docker-plugin1"),
dir.Join("plugins2", "docker-plugin1"),
dir.Join("plugins3", "docker-plugin1"),
},
"symlinked1": {
dir.Join("plugins1", "docker-symlinked1"),
},
"symlinked2": {
dir.Join("plugins1", "docker-symlinked2"),
},
"hardlink1": {
dir.Join("plugins2", "docker-hardlink1"),
},
"hardlink2": {
dir.Join("plugins2", "docker-hardlink2"),
},
"brokensymlink": {
dir.Join("plugins3", "docker-brokensymlink"),
},
"symlinked": {
dir.Join("plugins3", "docker-symlinked"),
},
}
assert.DeepEqual(t, candidates, exp)
}
func TestListPluginsIsSorted(t *testing.T) {
dir := fs.NewDir(t, t.Name(),
fs.WithFile("docker-bbb", `
#!/bin/sh
echo '{"SchemaVersion":"0.1.0"}'`, fs.WithMode(0777)),
fs.WithFile("docker-aaa", `
#!/bin/sh
echo '{"SchemaVersion":"0.1.0"}'`, fs.WithMode(0777)),
)
defer dir.Remove()
cli := test.NewFakeCli(nil)
cli.SetConfigFile(&configfile.ConfigFile{CLIPluginsExtraDirs: []string{dir.Path()}})
plugins, err := ListPlugins(cli, &cobra.Command{})
assert.NilError(t, err)
// We're only interested in the plugins we created for testing this, and only
// if they appear in the expected order
var names []string
for _, p := range plugins {
if p.Name == "aaa" || p.Name == "bbb" {
names = append(names, p.Name)
}
}
assert.DeepEqual(t, names, []string{"aaa", "bbb"})
}
func TestErrPluginNotFound(t *testing.T) {
var err error = errPluginNotFound("test")
err.(errPluginNotFound).NotFound()
assert.Error(t, err, "Error: No such CLI plugin: test")
assert.Assert(t, IsNotFound(err))
assert.Assert(t, !IsNotFound(nil))
}
func TestGetPluginDirs(t *testing.T) {
cli := test.NewFakeCli(nil)
pluginDir, err := config.Path("cli-plugins")
assert.NilError(t, err)
expected := append([]string{pluginDir}, defaultSystemPluginDirs...)
var pluginDirs []string
pluginDirs, err = getPluginDirs(cli)
assert.Equal(t, strings.Join(expected, ":"), strings.Join(pluginDirs, ":"))
assert.NilError(t, err)
extras := []string{
"foo", "bar", "baz",
}
expected = append(extras, expected...)
cli.SetConfigFile(&configfile.ConfigFile{
CLIPluginsExtraDirs: extras,
})
pluginDirs, err = getPluginDirs(cli)
assert.DeepEqual(t, expected, pluginDirs)
assert.NilError(t, err)
}

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//go:build !windows
// +build !windows
package manager
var defaultSystemPluginDirs = []string{
"/usr/local/lib/docker/cli-plugins", "/usr/local/libexec/docker/cli-plugins",
"/usr/lib/docker/cli-plugins", "/usr/libexec/docker/cli-plugins",
}

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@ -0,0 +1,11 @@
package manager
import (
"os"
"path/filepath"
)
var defaultSystemPluginDirs = []string{
filepath.Join(os.Getenv("ProgramData"), "Docker", "cli-plugins"),
filepath.Join(os.Getenv("ProgramFiles"), "Docker", "cli-plugins"),
}

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@ -0,0 +1,28 @@
package manager
const (
// NamePrefix is the prefix required on all plugin binary names
NamePrefix = "docker-"
// MetadataSubcommandName is the name of the plugin subcommand
// which must be supported by every plugin and returns the
// plugin metadata.
MetadataSubcommandName = "docker-cli-plugin-metadata"
)
// Metadata provided by the plugin.
type Metadata struct {
// SchemaVersion describes the version of this struct. Mandatory, must be "0.1.0"
SchemaVersion string `json:",omitempty"`
// Vendor is the name of the plugin vendor. Mandatory
Vendor string `json:",omitempty"`
// Version is the optional version of this plugin.
Version string `json:",omitempty"`
// ShortDescription should be suitable for a single line help message.
ShortDescription string `json:",omitempty"`
// URL is a pointer to the plugin's homepage.
URL string `json:",omitempty"`
// Experimental specifies whether the plugin is experimental.
// Deprecated: experimental features are now always enabled in the CLI
Experimental bool `json:",omitempty"`
}

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package manager
import (
"encoding/json"
"path/filepath"
"regexp"
"strings"
"github.com/pkg/errors"
"github.com/spf13/cobra"
)
var (
pluginNameRe = regexp.MustCompile("^[a-z][a-z0-9]*$")
)
// Plugin represents a potential plugin with all it's metadata.
type Plugin struct {
Metadata
Name string `json:",omitempty"`
Path string `json:",omitempty"`
// Err is non-nil if the plugin failed one of the candidate tests.
Err error `json:",omitempty"`
// ShadowedPaths contains the paths of any other plugins which this plugin takes precedence over.
ShadowedPaths []string `json:",omitempty"`
}
// newPlugin determines if the given candidate is valid and returns a
// Plugin. If the candidate fails one of the tests then `Plugin.Err`
// is set, and is always a `pluginError`, but the `Plugin` is still
// returned with no error. An error is only returned due to a
// non-recoverable error.
//
// nolint: gocyclo
func newPlugin(c Candidate, rootcmd *cobra.Command) (Plugin, error) {
path := c.Path()
if path == "" {
return Plugin{}, errors.New("plugin candidate path cannot be empty")
}
// The candidate listing process should have skipped anything
// which would fail here, so there are all real errors.
fullname := filepath.Base(path)
if fullname == "." {
return Plugin{}, errors.Errorf("unable to determine basename of plugin candidate %q", path)
}
var err error
if fullname, err = trimExeSuffix(fullname); err != nil {
return Plugin{}, errors.Wrapf(err, "plugin candidate %q", path)
}
if !strings.HasPrefix(fullname, NamePrefix) {
return Plugin{}, errors.Errorf("plugin candidate %q: does not have %q prefix", path, NamePrefix)
}
p := Plugin{
Name: strings.TrimPrefix(fullname, NamePrefix),
Path: path,
}
// Now apply the candidate tests, so these update p.Err.
if !pluginNameRe.MatchString(p.Name) {
p.Err = NewPluginError("plugin candidate %q did not match %q", p.Name, pluginNameRe.String())
return p, nil
}
if rootcmd != nil {
for _, cmd := range rootcmd.Commands() {
// Ignore conflicts with commands which are
// just plugin stubs (i.e. from a previous
// call to AddPluginCommandStubs).
if p := cmd.Annotations[CommandAnnotationPlugin]; p == "true" {
continue
}
if cmd.Name() == p.Name {
p.Err = NewPluginError("plugin %q duplicates builtin command", p.Name)
return p, nil
}
if cmd.HasAlias(p.Name) {
p.Err = NewPluginError("plugin %q duplicates an alias of builtin command %q", p.Name, cmd.Name())
return p, nil
}
}
}
// We are supposed to check for relevant execute permissions here. Instead we rely on an attempt to execute.
meta, err := c.Metadata()
if err != nil {
p.Err = wrapAsPluginError(err, "failed to fetch metadata")
return p, nil
}
if err := json.Unmarshal(meta, &p.Metadata); err != nil {
p.Err = wrapAsPluginError(err, "invalid metadata")
return p, nil
}
if p.Metadata.SchemaVersion != "0.1.0" {
p.Err = NewPluginError("plugin SchemaVersion %q is not valid, must be 0.1.0", p.Metadata.SchemaVersion)
return p, nil
}
if p.Metadata.Vendor == "" {
p.Err = NewPluginError("plugin metadata does not define a vendor")
return p, nil
}
return p, nil
}

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@ -0,0 +1,11 @@
//go:build !windows
// +build !windows
package manager
func trimExeSuffix(s string) (string, error) {
return s, nil
}
func addExeSuffix(s string) string {
return s
}

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@ -0,0 +1,26 @@
package manager
import (
"path/filepath"
"strings"
"github.com/pkg/errors"
)
// This is made slightly more complex due to needing to be case insensitive.
func trimExeSuffix(s string) (string, error) {
ext := filepath.Ext(s)
if ext == "" {
return "", errors.Errorf("path %q lacks required file extension", s)
}
exe := ".exe"
if !strings.EqualFold(ext, exe) {
return "", errors.Errorf("path %q lacks required %q suffix", s, exe)
}
return strings.TrimSuffix(s, ext), nil
}
func addExeSuffix(s string) string {
return s + ".exe"
}

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package plugin
import (
"encoding/json"
"fmt"
"os"
"sync"
"github.com/docker/cli/cli"
"github.com/docker/cli/cli-plugins/manager"
"github.com/docker/cli/cli/command"
"github.com/docker/cli/cli/connhelper"
"github.com/docker/docker/client"
"github.com/spf13/cobra"
)
// PersistentPreRunE must be called by any plugin command (or
// subcommand) which uses the cobra `PersistentPreRun*` hook. Plugins
// which do not make use of `PersistentPreRun*` do not need to call
// this (although it remains safe to do so). Plugins are recommended
// to use `PersistenPreRunE` to enable the error to be
// returned. Should not be called outside of a command's
// PersistentPreRunE hook and must not be run unless Run has been
// called.
var PersistentPreRunE func(*cobra.Command, []string) error
// RunPlugin executes the specified plugin command
func RunPlugin(dockerCli *command.DockerCli, plugin *cobra.Command, meta manager.Metadata) error {
tcmd := newPluginCommand(dockerCli, plugin, meta)
var persistentPreRunOnce sync.Once
PersistentPreRunE = func(_ *cobra.Command, _ []string) error {
var err error
persistentPreRunOnce.Do(func() {
var opts []command.InitializeOpt
if os.Getenv("DOCKER_CLI_PLUGIN_USE_DIAL_STDIO") != "" {
opts = append(opts, withPluginClientConn(plugin.Name()))
}
err = tcmd.Initialize(opts...)
})
return err
}
cmd, args, err := tcmd.HandleGlobalFlags()
if err != nil {
return err
}
// We've parsed global args already, so reset args to those
// which remain.
cmd.SetArgs(args)
return cmd.Execute()
}
// Run is the top-level entry point to the CLI plugin framework. It should be called from your plugin's `main()` function.
func Run(makeCmd func(command.Cli) *cobra.Command, meta manager.Metadata) {
dockerCli, err := command.NewDockerCli()
if err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
plugin := makeCmd(dockerCli)
if err := RunPlugin(dockerCli, plugin, meta); err != nil {
if sterr, ok := err.(cli.StatusError); ok {
if sterr.Status != "" {
fmt.Fprintln(dockerCli.Err(), sterr.Status)
}
// StatusError should only be used for errors, and all errors should
// have a non-zero exit status, so never exit with 0
if sterr.StatusCode == 0 {
os.Exit(1)
}
os.Exit(sterr.StatusCode)
}
fmt.Fprintln(dockerCli.Err(), err)
os.Exit(1)
}
}
func withPluginClientConn(name string) command.InitializeOpt {
return command.WithInitializeClient(func(dockerCli *command.DockerCli) (client.APIClient, error) {
cmd := "docker"
if x := os.Getenv(manager.ReexecEnvvar); x != "" {
cmd = x
}
var flags []string
// Accumulate all the global arguments, that is those
// up to (but not including) the plugin's name. This
// ensures that `docker system dial-stdio` is
// evaluating the same set of `--config`, `--tls*` etc
// global options as the plugin was called with, which
// in turn is the same as what the original docker
// invocation was passed.
for _, a := range os.Args[1:] {
if a == name {
break
}
flags = append(flags, a)
}
flags = append(flags, "system", "dial-stdio")
helper, err := connhelper.GetCommandConnectionHelper(cmd, flags...)
if err != nil {
return nil, err
}
return client.NewClientWithOpts(client.WithDialContext(helper.Dialer))
})
}
func newPluginCommand(dockerCli *command.DockerCli, plugin *cobra.Command, meta manager.Metadata) *cli.TopLevelCommand {
name := plugin.Name()
fullname := manager.NamePrefix + name
cmd := &cobra.Command{
Use: fmt.Sprintf("docker [OPTIONS] %s [ARG...]", name),
Short: fullname + " is a Docker CLI plugin",
SilenceUsage: true,
SilenceErrors: true,
PersistentPreRunE: func(cmd *cobra.Command, args []string) error {
// We can't use this as the hook directly since it is initialised later (in runPlugin)
return PersistentPreRunE(cmd, args)
},
TraverseChildren: true,
DisableFlagsInUseLine: true,
}
opts, flags := cli.SetupPluginRootCommand(cmd)
cmd.SetOut(dockerCli.Out())
cmd.AddCommand(
plugin,
newMetadataSubcommand(plugin, meta),
)
cli.DisableFlagsInUseLine(cmd)
return cli.NewTopLevelCommand(cmd, dockerCli, opts, flags)
}
func newMetadataSubcommand(plugin *cobra.Command, meta manager.Metadata) *cobra.Command {
if meta.ShortDescription == "" {
meta.ShortDescription = plugin.Short
}
cmd := &cobra.Command{
Use: manager.MetadataSubcommandName,
Hidden: true,
// Suppress the global/parent PersistentPreRunE, which
// needlessly initializes the client and tries to
// connect to the daemon.
PersistentPreRun: func(cmd *cobra.Command, args []string) {},
RunE: func(cmd *cobra.Command, args []string) error {
enc := json.NewEncoder(os.Stdout)
enc.SetEscapeHTML(false)
enc.SetIndent("", " ")
return enc.Encode(meta)
},
}
return cmd
}

386
cli/cli/cobra.go Normal file
View File

@ -0,0 +1,386 @@
package cli
import (
"fmt"
"os"
"strings"
pluginmanager "github.com/docker/cli/cli-plugins/manager"
"github.com/docker/cli/cli/command"
cliconfig "github.com/docker/cli/cli/config"
cliflags "github.com/docker/cli/cli/flags"
"github.com/moby/term"
"github.com/morikuni/aec"
"github.com/pkg/errors"
"github.com/spf13/cobra"
"github.com/spf13/pflag"
)
// setupCommonRootCommand contains the setup common to
// SetupRootCommand and SetupPluginRootCommand.
func setupCommonRootCommand(rootCmd *cobra.Command) (*cliflags.ClientOptions, *pflag.FlagSet, *cobra.Command) {
opts := cliflags.NewClientOptions()
flags := rootCmd.Flags()
flags.StringVar(&opts.ConfigDir, "config", cliconfig.Dir(), "Location of client config files")
opts.Common.InstallFlags(flags)
cobra.AddTemplateFunc("add", func(a, b int) int { return a + b })
cobra.AddTemplateFunc("hasSubCommands", hasSubCommands)
cobra.AddTemplateFunc("hasManagementSubCommands", hasManagementSubCommands)
cobra.AddTemplateFunc("hasInvalidPlugins", hasInvalidPlugins)
cobra.AddTemplateFunc("operationSubCommands", operationSubCommands)
cobra.AddTemplateFunc("managementSubCommands", managementSubCommands)
cobra.AddTemplateFunc("invalidPlugins", invalidPlugins)
cobra.AddTemplateFunc("wrappedFlagUsages", wrappedFlagUsages)
cobra.AddTemplateFunc("vendorAndVersion", vendorAndVersion)
cobra.AddTemplateFunc("invalidPluginReason", invalidPluginReason)
cobra.AddTemplateFunc("isPlugin", isPlugin)
cobra.AddTemplateFunc("isExperimental", isExperimental)
cobra.AddTemplateFunc("hasAdditionalHelp", hasAdditionalHelp)
cobra.AddTemplateFunc("additionalHelp", additionalHelp)
cobra.AddTemplateFunc("decoratedName", decoratedName)
rootCmd.SetUsageTemplate(usageTemplate)
rootCmd.SetHelpTemplate(helpTemplate)
rootCmd.SetFlagErrorFunc(FlagErrorFunc)
rootCmd.SetHelpCommand(helpCommand)
rootCmd.PersistentFlags().BoolP("help", "h", false, "Print usage")
rootCmd.PersistentFlags().MarkShorthandDeprecated("help", "please use --help")
rootCmd.PersistentFlags().Lookup("help").Hidden = true
rootCmd.Annotations = map[string]string{"additionalHelp": "To get more help with docker, check out our guides at https://docs.docker.com/go/guides/"}
return opts, flags, helpCommand
}
// SetupRootCommand sets default usage, help, and error handling for the
// root command.
func SetupRootCommand(rootCmd *cobra.Command) (*cliflags.ClientOptions, *pflag.FlagSet, *cobra.Command) {
opts, flags, helpCmd := setupCommonRootCommand(rootCmd)
rootCmd.SetVersionTemplate("Docker version {{.Version}}\n")
return opts, flags, helpCmd
}
// SetupPluginRootCommand sets default usage, help and error handling for a plugin root command.
func SetupPluginRootCommand(rootCmd *cobra.Command) (*cliflags.ClientOptions, *pflag.FlagSet) {
opts, flags, _ := setupCommonRootCommand(rootCmd)
return opts, flags
}
// FlagErrorFunc prints an error message which matches the format of the
// docker/cli/cli error messages
func FlagErrorFunc(cmd *cobra.Command, err error) error {
if err == nil {
return nil
}
usage := ""
if cmd.HasSubCommands() {
usage = "\n\n" + cmd.UsageString()
}
return StatusError{
Status: fmt.Sprintf("%s\nSee '%s --help'.%s", err, cmd.CommandPath(), usage),
StatusCode: 125,
}
}
// TopLevelCommand encapsulates a top-level cobra command (either
// docker CLI or a plugin) and global flag handling logic necessary
// for plugins.
type TopLevelCommand struct {
cmd *cobra.Command
dockerCli *command.DockerCli
opts *cliflags.ClientOptions
flags *pflag.FlagSet
args []string
}
// NewTopLevelCommand returns a new TopLevelCommand object
func NewTopLevelCommand(cmd *cobra.Command, dockerCli *command.DockerCli, opts *cliflags.ClientOptions, flags *pflag.FlagSet) *TopLevelCommand {
return &TopLevelCommand{cmd, dockerCli, opts, flags, os.Args[1:]}
}
// SetArgs sets the args (default os.Args[:1] used to invoke the command
func (tcmd *TopLevelCommand) SetArgs(args []string) {
tcmd.args = args
tcmd.cmd.SetArgs(args)
}
// SetFlag sets a flag in the local flag set of the top-level command
func (tcmd *TopLevelCommand) SetFlag(name, value string) {
tcmd.cmd.Flags().Set(name, value)
}
// HandleGlobalFlags takes care of parsing global flags defined on the
// command, it returns the underlying cobra command and the args it
// will be called with (or an error).
//
// On success the caller is responsible for calling Initialize()
// before calling `Execute` on the returned command.
func (tcmd *TopLevelCommand) HandleGlobalFlags() (*cobra.Command, []string, error) {
cmd := tcmd.cmd
// We manually parse the global arguments and find the
// subcommand in order to properly deal with plugins. We rely
// on the root command never having any non-flag arguments. We
// create our own FlagSet so that we can configure it
// (e.g. `SetInterspersed` below) in an idempotent way.
flags := pflag.NewFlagSet(cmd.Name(), pflag.ContinueOnError)
// We need !interspersed to ensure we stop at the first
// potential command instead of accumulating it into
// flags.Args() and then continuing on and finding other
// arguments which we try and treat as globals (when they are
// actually arguments to the subcommand).
flags.SetInterspersed(false)
// We need the single parse to see both sets of flags.
flags.AddFlagSet(cmd.Flags())
flags.AddFlagSet(cmd.PersistentFlags())
// Now parse the global flags, up to (but not including) the
// first command. The result will be that all the remaining
// arguments are in `flags.Args()`.
if err := flags.Parse(tcmd.args); err != nil {
// Our FlagErrorFunc uses the cli, make sure it is initialized
if err := tcmd.Initialize(); err != nil {
return nil, nil, err
}
return nil, nil, cmd.FlagErrorFunc()(cmd, err)
}
return cmd, flags.Args(), nil
}
// Initialize finalises global option parsing and initializes the docker client.
func (tcmd *TopLevelCommand) Initialize(ops ...command.InitializeOpt) error {
tcmd.opts.Common.SetDefaultOptions(tcmd.flags)
return tcmd.dockerCli.Initialize(tcmd.opts, ops...)
}
// VisitAll will traverse all commands from the root.
// This is different from the VisitAll of cobra.Command where only parents
// are checked.
func VisitAll(root *cobra.Command, fn func(*cobra.Command)) {
for _, cmd := range root.Commands() {
VisitAll(cmd, fn)
}
fn(root)
}
// DisableFlagsInUseLine sets the DisableFlagsInUseLine flag on all
// commands within the tree rooted at cmd.
func DisableFlagsInUseLine(cmd *cobra.Command) {
VisitAll(cmd, func(ccmd *cobra.Command) {
// do not add a `[flags]` to the end of the usage line.
ccmd.DisableFlagsInUseLine = true
})
}
var helpCommand = &cobra.Command{
Use: "help [command]",
Short: "Help about the command",
PersistentPreRun: func(cmd *cobra.Command, args []string) {},
PersistentPostRun: func(cmd *cobra.Command, args []string) {},
RunE: func(c *cobra.Command, args []string) error {
cmd, args, e := c.Root().Find(args)
if cmd == nil || e != nil || len(args) > 0 {
return errors.Errorf("unknown help topic: %v", strings.Join(args, " "))
}
helpFunc := cmd.HelpFunc()
helpFunc(cmd, args)
return nil
},
}
func isExperimental(cmd *cobra.Command) bool {
if _, ok := cmd.Annotations["experimentalCLI"]; ok {
return true
}
var experimental bool
cmd.VisitParents(func(cmd *cobra.Command) {
if _, ok := cmd.Annotations["experimentalCLI"]; ok {
experimental = true
}
})
return experimental
}
func additionalHelp(cmd *cobra.Command) string {
if additionalHelp, ok := cmd.Annotations["additionalHelp"]; ok {
style := aec.EmptyBuilder.Bold().ANSI
return style.Apply(additionalHelp)
}
return ""
}
func hasAdditionalHelp(cmd *cobra.Command) bool {
return additionalHelp(cmd) != ""
}
func isPlugin(cmd *cobra.Command) bool {
return cmd.Annotations[pluginmanager.CommandAnnotationPlugin] == "true"
}
func hasSubCommands(cmd *cobra.Command) bool {
return len(operationSubCommands(cmd)) > 0
}
func hasManagementSubCommands(cmd *cobra.Command) bool {
return len(managementSubCommands(cmd)) > 0
}
func hasInvalidPlugins(cmd *cobra.Command) bool {
return len(invalidPlugins(cmd)) > 0
}
func operationSubCommands(cmd *cobra.Command) []*cobra.Command {
cmds := []*cobra.Command{}
for _, sub := range cmd.Commands() {
if isPlugin(sub) {
continue
}
if sub.IsAvailableCommand() && !sub.HasSubCommands() {
cmds = append(cmds, sub)
}
}
return cmds
}
func wrappedFlagUsages(cmd *cobra.Command) string {
width := 80
if ws, err := term.GetWinsize(0); err == nil {
width = int(ws.Width)
}
return cmd.Flags().FlagUsagesWrapped(width - 1)
}
func decoratedName(cmd *cobra.Command) string {
decoration := " "
if isPlugin(cmd) {
decoration = "*"
}
return cmd.Name() + decoration
}
func vendorAndVersion(cmd *cobra.Command) string {
if vendor, ok := cmd.Annotations[pluginmanager.CommandAnnotationPluginVendor]; ok && isPlugin(cmd) {
version := ""
if v, ok := cmd.Annotations[pluginmanager.CommandAnnotationPluginVersion]; ok && v != "" {
version = ", " + v
}
return fmt.Sprintf("(%s%s)", vendor, version)
}
return ""
}
func managementSubCommands(cmd *cobra.Command) []*cobra.Command {
cmds := []*cobra.Command{}
for _, sub := range cmd.Commands() {
if isPlugin(sub) {
if invalidPluginReason(sub) == "" {
cmds = append(cmds, sub)
}
continue
}
if sub.IsAvailableCommand() && sub.HasSubCommands() {
cmds = append(cmds, sub)
}
}
return cmds
}
func invalidPlugins(cmd *cobra.Command) []*cobra.Command {
cmds := []*cobra.Command{}
for _, sub := range cmd.Commands() {
if !isPlugin(sub) {
continue
}
if invalidPluginReason(sub) != "" {
cmds = append(cmds, sub)
}
}
return cmds
}
func invalidPluginReason(cmd *cobra.Command) string {
return cmd.Annotations[pluginmanager.CommandAnnotationPluginInvalid]
}
var usageTemplate = `Usage:
{{- if not .HasSubCommands}} {{.UseLine}}{{end}}
{{- if .HasSubCommands}} {{ .CommandPath}}{{- if .HasAvailableFlags}} [OPTIONS]{{end}} COMMAND{{end}}
{{if ne .Long ""}}{{ .Long | trim }}{{ else }}{{ .Short | trim }}{{end}}
{{- if isExperimental .}}
EXPERIMENTAL:
{{.CommandPath}} is an experimental feature.
Experimental features provide early access to product functionality. These
features may change between releases without warning, or can be removed from a
future release. Learn more about experimental features in our documentation:
https://docs.docker.com/go/experimental/
{{- end}}
{{- if gt .Aliases 0}}
Aliases:
{{.NameAndAliases}}
{{- end}}
{{- if .HasExample}}
Examples:
{{ .Example }}
{{- end}}
{{- if .HasAvailableFlags}}
Options:
{{ wrappedFlagUsages . | trimRightSpace}}
{{- end}}
{{- if hasManagementSubCommands . }}
Management Commands:
{{- range managementSubCommands . }}
{{rpad (decoratedName .) (add .NamePadding 1)}}{{.Short}}{{ if isPlugin .}} {{vendorAndVersion .}}{{ end}}
{{- end}}
{{- end}}
{{- if hasSubCommands .}}
Commands:
{{- range operationSubCommands . }}
{{rpad .Name .NamePadding }} {{.Short}}
{{- end}}
{{- end}}
{{- if hasInvalidPlugins . }}
Invalid Plugins:
{{- range invalidPlugins . }}
{{rpad .Name .NamePadding }} {{invalidPluginReason .}}
{{- end}}
{{- end}}
{{- if .HasSubCommands }}
Run '{{.CommandPath}} COMMAND --help' for more information on a command.
{{- end}}
{{- if hasAdditionalHelp .}}
{{ additionalHelp . }}
{{- end}}
`
var helpTemplate = `
{{if or .Runnable .HasSubCommands}}{{.UsageString}}{{end}}`

88
cli/cli/cobra_test.go Normal file
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package cli
import (
"testing"
pluginmanager "github.com/docker/cli/cli-plugins/manager"
"github.com/google/go-cmp/cmp/cmpopts"
"github.com/spf13/cobra"
"gotest.tools/v3/assert"
is "gotest.tools/v3/assert/cmp"
)
func TestVisitAll(t *testing.T) {
root := &cobra.Command{Use: "root"}
sub1 := &cobra.Command{Use: "sub1"}
sub1sub1 := &cobra.Command{Use: "sub1sub1"}
sub1sub2 := &cobra.Command{Use: "sub1sub2"}
sub2 := &cobra.Command{Use: "sub2"}
root.AddCommand(sub1, sub2)
sub1.AddCommand(sub1sub1, sub1sub2)
// Take the opportunity to test DisableFlagsInUseLine too
DisableFlagsInUseLine(root)
var visited []string
VisitAll(root, func(ccmd *cobra.Command) {
visited = append(visited, ccmd.Name())
assert.Assert(t, ccmd.DisableFlagsInUseLine, "DisableFlagsInUseLine not set on %q", ccmd.Name())
})
expected := []string{"sub1sub1", "sub1sub2", "sub1", "sub2", "root"}
assert.DeepEqual(t, expected, visited)
}
func TestVendorAndVersion(t *testing.T) {
// Non plugin.
assert.Equal(t, vendorAndVersion(&cobra.Command{Use: "test"}), "")
// Plugins with various lengths of vendor.
for _, tc := range []struct {
vendor string
version string
expected string
}{
{vendor: "vendor", expected: "(vendor)"},
{vendor: "vendor", version: "testing", expected: "(vendor, testing)"},
} {
t.Run(tc.vendor, func(t *testing.T) {
cmd := &cobra.Command{
Use: "test",
Annotations: map[string]string{
pluginmanager.CommandAnnotationPlugin: "true",
pluginmanager.CommandAnnotationPluginVendor: tc.vendor,
pluginmanager.CommandAnnotationPluginVersion: tc.version,
},
}
assert.Equal(t, vendorAndVersion(cmd), tc.expected)
})
}
}
func TestInvalidPlugin(t *testing.T) {
root := &cobra.Command{Use: "root"}
sub1 := &cobra.Command{Use: "sub1"}
sub1sub1 := &cobra.Command{Use: "sub1sub1"}
sub1sub2 := &cobra.Command{Use: "sub1sub2"}
sub2 := &cobra.Command{Use: "sub2"}
assert.Assert(t, is.Len(invalidPlugins(root), 0))
sub1.Annotations = map[string]string{
pluginmanager.CommandAnnotationPlugin: "true",
pluginmanager.CommandAnnotationPluginInvalid: "foo",
}
root.AddCommand(sub1, sub2)
sub1.AddCommand(sub1sub1, sub1sub2)
assert.DeepEqual(t, invalidPlugins(root), []*cobra.Command{sub1}, cmpopts.IgnoreUnexported(cobra.Command{}))
}
func TestDecoratedName(t *testing.T) {
root := &cobra.Command{Use: "root"}
topLevelCommand := &cobra.Command{Use: "pluginTopLevelCommand"}
root.AddCommand(topLevelCommand)
assert.Equal(t, decoratedName(topLevelCommand), "pluginTopLevelCommand ")
topLevelCommand.Annotations = map[string]string{pluginmanager.CommandAnnotationPlugin: "true"}
assert.Equal(t, decoratedName(topLevelCommand), "pluginTopLevelCommand*")
}

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package builder
import (
"github.com/spf13/cobra"
"github.com/docker/cli/cli"
"github.com/docker/cli/cli/command"
"github.com/docker/cli/cli/command/image"
)
// NewBuilderCommand returns a cobra command for `builder` subcommands
func NewBuilderCommand(dockerCli command.Cli) *cobra.Command {
cmd := &cobra.Command{
Use: "builder",
Short: "Manage builds",
Args: cli.NoArgs,
RunE: command.ShowHelp(dockerCli.Err()),
Annotations: map[string]string{"version": "1.31"},
}
cmd.AddCommand(
NewPruneCommand(dockerCli),
image.NewBuildCommand(dockerCli),
)
return cmd
}

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package builder
import (
"context"
"fmt"
"strings"
"github.com/docker/cli/cli"
"github.com/docker/cli/cli/command"
"github.com/docker/cli/opts"
"github.com/docker/docker/api/types"
units "github.com/docker/go-units"
"github.com/spf13/cobra"
)
type pruneOptions struct {
force bool
all bool
filter opts.FilterOpt
keepStorage opts.MemBytes
}
// NewPruneCommand returns a new cobra prune command for images
func NewPruneCommand(dockerCli command.Cli) *cobra.Command {
options := pruneOptions{filter: opts.NewFilterOpt()}
cmd := &cobra.Command{
Use: "prune",
Short: "Remove build cache",
Args: cli.NoArgs,
RunE: func(cmd *cobra.Command, args []string) error {
spaceReclaimed, output, err := runPrune(dockerCli, options)
if err != nil {
return err
}
if output != "" {
fmt.Fprintln(dockerCli.Out(), output)
}
fmt.Fprintln(dockerCli.Out(), "Total reclaimed space:", units.HumanSize(float64(spaceReclaimed)))
return nil
},
Annotations: map[string]string{"version": "1.39"},
}
flags := cmd.Flags()
flags.BoolVarP(&options.force, "force", "f", false, "Do not prompt for confirmation")
flags.BoolVarP(&options.all, "all", "a", false, "Remove all unused build cache, not just dangling ones")
flags.Var(&options.filter, "filter", "Provide filter values (e.g. 'until=24h')")
flags.Var(&options.keepStorage, "keep-storage", "Amount of disk space to keep for cache")
return cmd
}
const (
normalWarning = `WARNING! This will remove all dangling build cache. Are you sure you want to continue?`
allCacheWarning = `WARNING! This will remove all build cache. Are you sure you want to continue?`
)
func runPrune(dockerCli command.Cli, options pruneOptions) (spaceReclaimed uint64, output string, err error) {
pruneFilters := options.filter.Value()
pruneFilters = command.PruneFilters(dockerCli, pruneFilters)
warning := normalWarning
if options.all {
warning = allCacheWarning
}
if !options.force && !command.PromptForConfirmation(dockerCli.In(), dockerCli.Out(), warning) {
return 0, "", nil
}
report, err := dockerCli.Client().BuildCachePrune(context.Background(), types.BuildCachePruneOptions{
All: options.all,
KeepStorage: options.keepStorage.Value(),
Filters: pruneFilters,
})
if err != nil {
return 0, "", err
}
if len(report.CachesDeleted) > 0 {
var sb strings.Builder
sb.WriteString("Deleted build cache objects:\n")
for _, id := range report.CachesDeleted {
sb.WriteString(id)
sb.WriteByte('\n')
}
output = sb.String()
}
return report.SpaceReclaimed, output, nil
}
// CachePrune executes a prune command for build cache
func CachePrune(dockerCli command.Cli, all bool, filter opts.FilterOpt) (uint64, string, error) {
return runPrune(dockerCli, pruneOptions{force: true, all: all, filter: filter})
}

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package checkpoint
import (
"context"
"github.com/docker/docker/api/types"
"github.com/docker/docker/client"
)
type fakeClient struct {
client.Client
checkpointCreateFunc func(container string, options types.CheckpointCreateOptions) error
checkpointDeleteFunc func(container string, options types.CheckpointDeleteOptions) error
checkpointListFunc func(container string, options types.CheckpointListOptions) ([]types.Checkpoint, error)
}
func (cli *fakeClient) CheckpointCreate(ctx context.Context, container string, options types.CheckpointCreateOptions) error {
if cli.checkpointCreateFunc != nil {
return cli.checkpointCreateFunc(container, options)
}
return nil
}
func (cli *fakeClient) CheckpointDelete(ctx context.Context, container string, options types.CheckpointDeleteOptions) error {
if cli.checkpointDeleteFunc != nil {
return cli.checkpointDeleteFunc(container, options)
}
return nil
}
func (cli *fakeClient) CheckpointList(ctx context.Context, container string, options types.CheckpointListOptions) ([]types.Checkpoint, error) {
if cli.checkpointListFunc != nil {
return cli.checkpointListFunc(container, options)
}
return []types.Checkpoint{}, nil
}

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package checkpoint
import (
"github.com/docker/cli/cli"
"github.com/docker/cli/cli/command"
"github.com/spf13/cobra"
)
// NewCheckpointCommand returns the `checkpoint` subcommand (only in experimental)
func NewCheckpointCommand(dockerCli command.Cli) *cobra.Command {
cmd := &cobra.Command{
Use: "checkpoint",
Short: "Manage checkpoints",
Args: cli.NoArgs,
RunE: command.ShowHelp(dockerCli.Err()),
Annotations: map[string]string{
"experimental": "",
"ostype": "linux",
"version": "1.25",
},
}
cmd.AddCommand(
newCreateCommand(dockerCli),
newListCommand(dockerCli),
newRemoveCommand(dockerCli),
)
return cmd
}

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package checkpoint
import (
"context"
"fmt"
"github.com/docker/cli/cli"
"github.com/docker/cli/cli/command"
"github.com/docker/docker/api/types"
"github.com/spf13/cobra"
)
type createOptions struct {
container string
checkpoint string
checkpointDir string
leaveRunning bool
}
func newCreateCommand(dockerCli command.Cli) *cobra.Command {
var opts createOptions
cmd := &cobra.Command{
Use: "create [OPTIONS] CONTAINER CHECKPOINT",
Short: "Create a checkpoint from a running container",
Args: cli.ExactArgs(2),
RunE: func(cmd *cobra.Command, args []string) error {
opts.container = args[0]
opts.checkpoint = args[1]
return runCreate(dockerCli, opts)
},
}
flags := cmd.Flags()
flags.BoolVar(&opts.leaveRunning, "leave-running", false, "Leave the container running after checkpoint")
flags.StringVarP(&opts.checkpointDir, "checkpoint-dir", "", "", "Use a custom checkpoint storage directory")
return cmd
}
func runCreate(dockerCli command.Cli, opts createOptions) error {
client := dockerCli.Client()
checkpointOpts := types.CheckpointCreateOptions{
CheckpointID: opts.checkpoint,
CheckpointDir: opts.checkpointDir,
Exit: !opts.leaveRunning,
}
err := client.CheckpointCreate(context.Background(), opts.container, checkpointOpts)
if err != nil {
return err
}
fmt.Fprintf(dockerCli.Out(), "%s\n", opts.checkpoint)
return nil
}

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package checkpoint
import (
"io/ioutil"
"strings"
"testing"
"github.com/docker/cli/internal/test"
"github.com/docker/docker/api/types"
"github.com/pkg/errors"
"gotest.tools/v3/assert"
is "gotest.tools/v3/assert/cmp"
)
func TestCheckpointCreateErrors(t *testing.T) {
testCases := []struct {
args []string
checkpointCreateFunc func(container string, options types.CheckpointCreateOptions) error
expectedError string
}{
{
args: []string{"too-few-arguments"},
expectedError: "requires exactly 2 arguments",
},
{
args: []string{"too", "many", "arguments"},
expectedError: "requires exactly 2 arguments",
},
{
args: []string{"foo", "bar"},
checkpointCreateFunc: func(container string, options types.CheckpointCreateOptions) error {
return errors.Errorf("error creating checkpoint for container foo")
},
expectedError: "error creating checkpoint for container foo",
},
}
for _, tc := range testCases {
cli := test.NewFakeCli(&fakeClient{
checkpointCreateFunc: tc.checkpointCreateFunc,
})
cmd := newCreateCommand(cli)
cmd.SetArgs(tc.args)
cmd.SetOut(ioutil.Discard)
assert.ErrorContains(t, cmd.Execute(), tc.expectedError)
}
}
func TestCheckpointCreateWithOptions(t *testing.T) {
var containerID, checkpointID, checkpointDir string
var exit bool
cli := test.NewFakeCli(&fakeClient{
checkpointCreateFunc: func(container string, options types.CheckpointCreateOptions) error {
containerID = container
checkpointID = options.CheckpointID
checkpointDir = options.CheckpointDir
exit = options.Exit
return nil
},
})
cmd := newCreateCommand(cli)
checkpoint := "checkpoint-bar"
cmd.SetArgs([]string{"container-foo", checkpoint})
cmd.Flags().Set("leave-running", "true")
cmd.Flags().Set("checkpoint-dir", "/dir/foo")
assert.NilError(t, cmd.Execute())
assert.Check(t, is.Equal("container-foo", containerID))
assert.Check(t, is.Equal(checkpoint, checkpointID))
assert.Check(t, is.Equal("/dir/foo", checkpointDir))
assert.Check(t, is.Equal(false, exit))
assert.Check(t, is.Equal(checkpoint, strings.TrimSpace(cli.OutBuffer().String())))
}

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package checkpoint
import (
"github.com/docker/cli/cli/command/formatter"
"github.com/docker/docker/api/types"
)
const (
defaultCheckpointFormat = "table {{.Name}}"
checkpointNameHeader = "CHECKPOINT NAME"
)
// NewFormat returns a format for use with a checkpoint Context
func NewFormat(source string) formatter.Format {
switch source {
case formatter.TableFormatKey:
return defaultCheckpointFormat
}
return formatter.Format(source)
}
// FormatWrite writes formatted checkpoints using the Context
func FormatWrite(ctx formatter.Context, checkpoints []types.Checkpoint) error {
render := func(format func(subContext formatter.SubContext) error) error {
for _, checkpoint := range checkpoints {
if err := format(&checkpointContext{c: checkpoint}); err != nil {
return err
}
}
return nil
}
return ctx.Write(newCheckpointContext(), render)
}
type checkpointContext struct {
formatter.HeaderContext
c types.Checkpoint
}
func newCheckpointContext() *checkpointContext {
cpCtx := checkpointContext{}
cpCtx.Header = formatter.SubHeaderContext{
"Name": checkpointNameHeader,
}
return &cpCtx
}
func (c *checkpointContext) MarshalJSON() ([]byte, error) {
return formatter.MarshalJSON(c)
}
func (c *checkpointContext) Name() string {
return c.c.Name
}

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package checkpoint
import (
"bytes"
"testing"
"github.com/docker/cli/cli/command/formatter"
"github.com/docker/docker/api/types"
"gotest.tools/v3/assert"
)
func TestCheckpointContextFormatWrite(t *testing.T) {
cases := []struct {
context formatter.Context
expected string
}{
{
formatter.Context{Format: NewFormat(defaultCheckpointFormat)},
`CHECKPOINT NAME
checkpoint-1
checkpoint-2
checkpoint-3
`,
},
{
formatter.Context{Format: NewFormat("{{.Name}}")},
`checkpoint-1
checkpoint-2
checkpoint-3
`,
},
{
formatter.Context{Format: NewFormat("{{.Name}}:")},
`checkpoint-1:
checkpoint-2:
checkpoint-3:
`,
},
}
checkpoints := []types.Checkpoint{
{Name: "checkpoint-1"},
{Name: "checkpoint-2"},
{Name: "checkpoint-3"},
}
for _, testcase := range cases {
out := bytes.NewBufferString("")
testcase.context.Output = out
err := FormatWrite(testcase.context, checkpoints)
assert.NilError(t, err)
assert.Equal(t, out.String(), testcase.expected)
}
}

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package checkpoint
import (
"context"
"github.com/docker/cli/cli"
"github.com/docker/cli/cli/command"
"github.com/docker/cli/cli/command/formatter"
"github.com/docker/docker/api/types"
"github.com/spf13/cobra"
)
type listOptions struct {
checkpointDir string
}
func newListCommand(dockerCli command.Cli) *cobra.Command {
var opts listOptions
cmd := &cobra.Command{
Use: "ls [OPTIONS] CONTAINER",
Aliases: []string{"list"},
Short: "List checkpoints for a container",
Args: cli.ExactArgs(1),
RunE: func(cmd *cobra.Command, args []string) error {
return runList(dockerCli, args[0], opts)
},
}
flags := cmd.Flags()
flags.StringVarP(&opts.checkpointDir, "checkpoint-dir", "", "", "Use a custom checkpoint storage directory")
return cmd
}
func runList(dockerCli command.Cli, container string, opts listOptions) error {
client := dockerCli.Client()
listOpts := types.CheckpointListOptions{
CheckpointDir: opts.checkpointDir,
}
checkpoints, err := client.CheckpointList(context.Background(), container, listOpts)
if err != nil {
return err
}
cpCtx := formatter.Context{
Output: dockerCli.Out(),
Format: NewFormat(formatter.TableFormatKey),
}
return FormatWrite(cpCtx, checkpoints)
}

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package checkpoint
import (
"io/ioutil"
"testing"
"github.com/docker/cli/internal/test"
"github.com/docker/docker/api/types"
"github.com/pkg/errors"
"gotest.tools/v3/assert"
is "gotest.tools/v3/assert/cmp"
"gotest.tools/v3/golden"
)
func TestCheckpointListErrors(t *testing.T) {
testCases := []struct {
args []string
checkpointListFunc func(container string, options types.CheckpointListOptions) ([]types.Checkpoint, error)
expectedError string
}{
{
args: []string{},
expectedError: "requires exactly 1 argument",
},
{
args: []string{"too", "many", "arguments"},
expectedError: "requires exactly 1 argument",
},
{
args: []string{"foo"},
checkpointListFunc: func(container string, options types.CheckpointListOptions) ([]types.Checkpoint, error) {
return []types.Checkpoint{}, errors.Errorf("error getting checkpoints for container foo")
},
expectedError: "error getting checkpoints for container foo",
},
}
for _, tc := range testCases {
cli := test.NewFakeCli(&fakeClient{
checkpointListFunc: tc.checkpointListFunc,
})
cmd := newListCommand(cli)
cmd.SetArgs(tc.args)
cmd.SetOut(ioutil.Discard)
assert.ErrorContains(t, cmd.Execute(), tc.expectedError)
}
}
func TestCheckpointListWithOptions(t *testing.T) {
var containerID, checkpointDir string
cli := test.NewFakeCli(&fakeClient{
checkpointListFunc: func(container string, options types.CheckpointListOptions) ([]types.Checkpoint, error) {
containerID = container
checkpointDir = options.CheckpointDir
return []types.Checkpoint{
{Name: "checkpoint-foo"},
}, nil
},
})
cmd := newListCommand(cli)
cmd.SetArgs([]string{"container-foo"})
cmd.Flags().Set("checkpoint-dir", "/dir/foo")
assert.NilError(t, cmd.Execute())
assert.Check(t, is.Equal("container-foo", containerID))
assert.Check(t, is.Equal("/dir/foo", checkpointDir))
golden.Assert(t, cli.OutBuffer().String(), "checkpoint-list-with-options.golden")
}

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package checkpoint
import (
"context"
"github.com/docker/cli/cli"
"github.com/docker/cli/cli/command"
"github.com/docker/docker/api/types"
"github.com/spf13/cobra"
)
type removeOptions struct {
checkpointDir string
}
func newRemoveCommand(dockerCli command.Cli) *cobra.Command {
var opts removeOptions
cmd := &cobra.Command{
Use: "rm [OPTIONS] CONTAINER CHECKPOINT",
Aliases: []string{"remove"},
Short: "Remove a checkpoint",
Args: cli.ExactArgs(2),
RunE: func(cmd *cobra.Command, args []string) error {
return runRemove(dockerCli, args[0], args[1], opts)
},
}
flags := cmd.Flags()
flags.StringVarP(&opts.checkpointDir, "checkpoint-dir", "", "", "Use a custom checkpoint storage directory")
return cmd
}
func runRemove(dockerCli command.Cli, container string, checkpoint string, opts removeOptions) error {
client := dockerCli.Client()
removeOpts := types.CheckpointDeleteOptions{
CheckpointID: checkpoint,
CheckpointDir: opts.checkpointDir,
}
return client.CheckpointDelete(context.Background(), container, removeOpts)
}

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package checkpoint
import (
"io/ioutil"
"testing"
"github.com/docker/cli/internal/test"
"github.com/docker/docker/api/types"
"github.com/pkg/errors"
"gotest.tools/v3/assert"
is "gotest.tools/v3/assert/cmp"
)
func TestCheckpointRemoveErrors(t *testing.T) {
testCases := []struct {
args []string
checkpointDeleteFunc func(container string, options types.CheckpointDeleteOptions) error
expectedError string
}{
{
args: []string{"too-few-arguments"},
expectedError: "requires exactly 2 arguments",
},
{
args: []string{"too", "many", "arguments"},
expectedError: "requires exactly 2 arguments",
},
{
args: []string{"foo", "bar"},
checkpointDeleteFunc: func(container string, options types.CheckpointDeleteOptions) error {
return errors.Errorf("error deleting checkpoint")
},
expectedError: "error deleting checkpoint",
},
}
for _, tc := range testCases {
cli := test.NewFakeCli(&fakeClient{
checkpointDeleteFunc: tc.checkpointDeleteFunc,
})
cmd := newRemoveCommand(cli)
cmd.SetArgs(tc.args)
cmd.SetOut(ioutil.Discard)
assert.ErrorContains(t, cmd.Execute(), tc.expectedError)
}
}
func TestCheckpointRemoveWithOptions(t *testing.T) {
var containerID, checkpointID, checkpointDir string
cli := test.NewFakeCli(&fakeClient{
checkpointDeleteFunc: func(container string, options types.CheckpointDeleteOptions) error {
containerID = container
checkpointID = options.CheckpointID
checkpointDir = options.CheckpointDir
return nil
},
})
cmd := newRemoveCommand(cli)
cmd.SetArgs([]string{"container-foo", "checkpoint-bar"})
cmd.Flags().Set("checkpoint-dir", "/dir/foo")
assert.NilError(t, cmd.Execute())
assert.Check(t, is.Equal("container-foo", containerID))
assert.Check(t, is.Equal("checkpoint-bar", checkpointID))
assert.Check(t, is.Equal("/dir/foo", checkpointDir))
}

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CHECKPOINT NAME
checkpoint-foo

558
cli/cli/command/cli.go Normal file
View File

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package command
import (
"context"
"io"
"io/ioutil"
"os"
"path/filepath"
"runtime"
"strconv"
"strings"
"time"
"github.com/docker/cli/cli/config"
cliconfig "github.com/docker/cli/cli/config"
"github.com/docker/cli/cli/config/configfile"
dcontext "github.com/docker/cli/cli/context"
"github.com/docker/cli/cli/context/docker"
"github.com/docker/cli/cli/context/store"
"github.com/docker/cli/cli/debug"
cliflags "github.com/docker/cli/cli/flags"
manifeststore "github.com/docker/cli/cli/manifest/store"
registryclient "github.com/docker/cli/cli/registry/client"
"github.com/docker/cli/cli/streams"
"github.com/docker/cli/cli/trust"
"github.com/docker/cli/cli/version"
dopts "github.com/docker/cli/opts"
"github.com/docker/docker/api"
"github.com/docker/docker/api/types"
registrytypes "github.com/docker/docker/api/types/registry"
"github.com/docker/docker/client"
"github.com/docker/go-connections/tlsconfig"
"github.com/moby/term"
"github.com/pkg/errors"
"github.com/spf13/cobra"
"github.com/theupdateframework/notary"
notaryclient "github.com/theupdateframework/notary/client"
"github.com/theupdateframework/notary/passphrase"
)
// Streams is an interface which exposes the standard input and output streams
type Streams interface {
In() *streams.In
Out() *streams.Out
Err() io.Writer
}
// Cli represents the docker command line client.
type Cli interface {
Client() client.APIClient
Out() *streams.Out
Err() io.Writer
In() *streams.In
SetIn(in *streams.In)
Apply(ops ...DockerCliOption) error
ConfigFile() *configfile.ConfigFile
ServerInfo() ServerInfo
ClientInfo() ClientInfo
NotaryClient(imgRefAndAuth trust.ImageRefAndAuth, actions []string) (notaryclient.Repository, error)
DefaultVersion() string
ManifestStore() manifeststore.Store
RegistryClient(bool) registryclient.RegistryClient
ContentTrustEnabled() bool
ContextStore() store.Store
CurrentContext() string
StackOrchestrator(flagValue string) (Orchestrator, error)
DockerEndpoint() docker.Endpoint
}
// DockerCli is an instance the docker command line client.
// Instances of the client can be returned from NewDockerCli.
type DockerCli struct {
configFile *configfile.ConfigFile
in *streams.In
out *streams.Out
err io.Writer
client client.APIClient
serverInfo ServerInfo
clientInfo *ClientInfo
contentTrust bool
contextStore store.Store
currentContext string
dockerEndpoint docker.Endpoint
contextStoreConfig store.Config
}
// DefaultVersion returns api.defaultVersion or DOCKER_API_VERSION if specified.
func (cli *DockerCli) DefaultVersion() string {
return cli.ClientInfo().DefaultVersion
}
// Client returns the APIClient
func (cli *DockerCli) Client() client.APIClient {
return cli.client
}
// Out returns the writer used for stdout
func (cli *DockerCli) Out() *streams.Out {
return cli.out
}
// Err returns the writer used for stderr
func (cli *DockerCli) Err() io.Writer {
return cli.err
}
// SetIn sets the reader used for stdin
func (cli *DockerCli) SetIn(in *streams.In) {
cli.in = in
}
// In returns the reader used for stdin
func (cli *DockerCli) In() *streams.In {
return cli.in
}
// ShowHelp shows the command help.
func ShowHelp(err io.Writer) func(*cobra.Command, []string) error {
return func(cmd *cobra.Command, args []string) error {
cmd.SetOut(err)
cmd.HelpFunc()(cmd, args)
return nil
}
}
// ConfigFile returns the ConfigFile
func (cli *DockerCli) ConfigFile() *configfile.ConfigFile {
if cli.configFile == nil {
cli.loadConfigFile()
}
return cli.configFile
}
func (cli *DockerCli) loadConfigFile() {
cli.configFile = cliconfig.LoadDefaultConfigFile(cli.err)
}
// ServerInfo returns the server version details for the host this client is
// connected to
func (cli *DockerCli) ServerInfo() ServerInfo {
return cli.serverInfo
}
// ClientInfo returns the client details for the cli
func (cli *DockerCli) ClientInfo() ClientInfo {
if cli.clientInfo == nil {
if err := cli.loadClientInfo(); err != nil {
panic(err)
}
}
return *cli.clientInfo
}
func (cli *DockerCli) loadClientInfo() error {
var v string
if cli.client != nil {
v = cli.client.ClientVersion()
} else {
v = api.DefaultVersion
}
cli.clientInfo = &ClientInfo{
DefaultVersion: v,
HasExperimental: true,
}
return nil
}
// ContentTrustEnabled returns whether content trust has been enabled by an
// environment variable.
func (cli *DockerCli) ContentTrustEnabled() bool {
return cli.contentTrust
}
// BuildKitEnabled returns whether buildkit is enabled either through a daemon setting
// or otherwise the client-side DOCKER_BUILDKIT environment variable
func BuildKitEnabled(si ServerInfo) (bool, error) {
buildkitEnabled := si.BuildkitVersion == types.BuilderBuildKit
if buildkitEnv := os.Getenv("DOCKER_BUILDKIT"); buildkitEnv != "" {
var err error
buildkitEnabled, err = strconv.ParseBool(buildkitEnv)
if err != nil {
return false, errors.Wrap(err, "DOCKER_BUILDKIT environment variable expects boolean value")
}
}
return buildkitEnabled, nil
}
// ManifestStore returns a store for local manifests
func (cli *DockerCli) ManifestStore() manifeststore.Store {
// TODO: support override default location from config file
return manifeststore.NewStore(filepath.Join(config.Dir(), "manifests"))
}
// RegistryClient returns a client for communicating with a Docker distribution
// registry
func (cli *DockerCli) RegistryClient(allowInsecure bool) registryclient.RegistryClient {
resolver := func(ctx context.Context, index *registrytypes.IndexInfo) types.AuthConfig {
return ResolveAuthConfig(ctx, cli, index)
}
return registryclient.NewRegistryClient(resolver, UserAgent(), allowInsecure)
}
// InitializeOpt is the type of the functional options passed to DockerCli.Initialize
type InitializeOpt func(dockerCli *DockerCli) error
// WithInitializeClient is passed to DockerCli.Initialize by callers who wish to set a particular API Client for use by the CLI.
func WithInitializeClient(makeClient func(dockerCli *DockerCli) (client.APIClient, error)) InitializeOpt {
return func(dockerCli *DockerCli) error {
var err error
dockerCli.client, err = makeClient(dockerCli)
return err
}
}
// Initialize the dockerCli runs initialization that must happen after command
// line flags are parsed.
func (cli *DockerCli) Initialize(opts *cliflags.ClientOptions, ops ...InitializeOpt) error {
var err error
for _, o := range ops {
if err := o(cli); err != nil {
return err
}
}
cliflags.SetLogLevel(opts.Common.LogLevel)
if opts.ConfigDir != "" {
cliconfig.SetDir(opts.ConfigDir)
}
if opts.Common.Debug {
debug.Enable()
}
cli.loadConfigFile()
baseContextStore := store.New(cliconfig.ContextStoreDir(), cli.contextStoreConfig)
cli.contextStore = &ContextStoreWithDefault{
Store: baseContextStore,
Resolver: func() (*DefaultContext, error) {
return ResolveDefaultContext(opts.Common, cli.ConfigFile(), cli.contextStoreConfig, cli.Err())
},
}
cli.currentContext, err = resolveContextName(opts.Common, cli.configFile, cli.contextStore)
if err != nil {
return err
}
cli.dockerEndpoint, err = resolveDockerEndpoint(cli.contextStore, cli.currentContext)
if err != nil {
return errors.Wrap(err, "unable to resolve docker endpoint")
}
if cli.client == nil {
cli.client, err = newAPIClientFromEndpoint(cli.dockerEndpoint, cli.configFile)
if tlsconfig.IsErrEncryptedKey(err) {
passRetriever := passphrase.PromptRetrieverWithInOut(cli.In(), cli.Out(), nil)
newClient := func(password string) (client.APIClient, error) {
cli.dockerEndpoint.TLSPassword = password //nolint: staticcheck // SA1019: cli.dockerEndpoint.TLSPassword is deprecated
return newAPIClientFromEndpoint(cli.dockerEndpoint, cli.configFile)
}
cli.client, err = getClientWithPassword(passRetriever, newClient)
}
if err != nil {
return err
}
}
cli.initializeFromClient()
if err := cli.loadClientInfo(); err != nil {
return err
}
return nil
}
// NewAPIClientFromFlags creates a new APIClient from command line flags
func NewAPIClientFromFlags(opts *cliflags.CommonOptions, configFile *configfile.ConfigFile) (client.APIClient, error) {
storeConfig := DefaultContextStoreConfig()
store := &ContextStoreWithDefault{
Store: store.New(cliconfig.ContextStoreDir(), storeConfig),
Resolver: func() (*DefaultContext, error) {
return ResolveDefaultContext(opts, configFile, storeConfig, ioutil.Discard)
},
}
contextName, err := resolveContextName(opts, configFile, store)
if err != nil {
return nil, err
}
endpoint, err := resolveDockerEndpoint(store, contextName)
if err != nil {
return nil, errors.Wrap(err, "unable to resolve docker endpoint")
}
return newAPIClientFromEndpoint(endpoint, configFile)
}
func newAPIClientFromEndpoint(ep docker.Endpoint, configFile *configfile.ConfigFile) (client.APIClient, error) {
clientOpts, err := ep.ClientOpts()
if err != nil {
return nil, err
}
customHeaders := make(map[string]string, len(configFile.HTTPHeaders))
for k, v := range configFile.HTTPHeaders {
customHeaders[k] = v
}
customHeaders["User-Agent"] = UserAgent()
clientOpts = append(clientOpts, client.WithHTTPHeaders(customHeaders))
return client.NewClientWithOpts(clientOpts...)
}
func resolveDockerEndpoint(s store.Reader, contextName string) (docker.Endpoint, error) {
ctxMeta, err := s.GetMetadata(contextName)
if err != nil {
return docker.Endpoint{}, err
}
epMeta, err := docker.EndpointFromContext(ctxMeta)
if err != nil {
return docker.Endpoint{}, err
}
return docker.WithTLSData(s, contextName, epMeta)
}
// Resolve the Docker endpoint for the default context (based on config, env vars and CLI flags)
func resolveDefaultDockerEndpoint(opts *cliflags.CommonOptions) (docker.Endpoint, error) {
host, err := getServerHost(opts.Hosts, opts.TLSOptions)
if err != nil {
return docker.Endpoint{}, err
}
var (
skipTLSVerify bool
tlsData *dcontext.TLSData
)
if opts.TLSOptions != nil {
skipTLSVerify = opts.TLSOptions.InsecureSkipVerify
tlsData, err = dcontext.TLSDataFromFiles(opts.TLSOptions.CAFile, opts.TLSOptions.CertFile, opts.TLSOptions.KeyFile)
if err != nil {
return docker.Endpoint{}, err
}
}
return docker.Endpoint{
EndpointMeta: docker.EndpointMeta{
Host: host,
SkipTLSVerify: skipTLSVerify,
},
TLSData: tlsData,
}, nil
}
func (cli *DockerCli) initializeFromClient() {
ctx := context.Background()
if strings.HasPrefix(cli.DockerEndpoint().Host, "tcp://") {
// @FIXME context.WithTimeout doesn't work with connhelper / ssh connections
// time="2020-04-10T10:16:26Z" level=warning msg="commandConn.CloseWrite: commandconn: failed to wait: signal: killed"
var cancel func()
ctx, cancel = context.WithTimeout(ctx, 2*time.Second)
defer cancel()
}
ping, err := cli.client.Ping(ctx)
if err != nil {
// Default to true if we fail to connect to daemon
cli.serverInfo = ServerInfo{HasExperimental: true}
if ping.APIVersion != "" {
cli.client.NegotiateAPIVersionPing(ping)
}
return
}
cli.serverInfo = ServerInfo{
HasExperimental: ping.Experimental,
OSType: ping.OSType,
BuildkitVersion: ping.BuilderVersion,
}
cli.client.NegotiateAPIVersionPing(ping)
}
func getClientWithPassword(passRetriever notary.PassRetriever, newClient func(password string) (client.APIClient, error)) (client.APIClient, error) {
for attempts := 0; ; attempts++ {
passwd, giveup, err := passRetriever("private", "encrypted TLS private", false, attempts)
if giveup || err != nil {
return nil, errors.Wrap(err, "private key is encrypted, but could not get passphrase")
}
apiclient, err := newClient(passwd)
if !tlsconfig.IsErrEncryptedKey(err) {
return apiclient, err
}
}
}
// NotaryClient provides a Notary Repository to interact with signed metadata for an image
func (cli *DockerCli) NotaryClient(imgRefAndAuth trust.ImageRefAndAuth, actions []string) (notaryclient.Repository, error) {
return trust.GetNotaryRepository(cli.In(), cli.Out(), UserAgent(), imgRefAndAuth.RepoInfo(), imgRefAndAuth.AuthConfig(), actions...)
}
// ContextStore returns the ContextStore
func (cli *DockerCli) ContextStore() store.Store {
return cli.contextStore
}
// CurrentContext returns the current context name
func (cli *DockerCli) CurrentContext() string {
return cli.currentContext
}
// StackOrchestrator resolves which stack orchestrator is in use
func (cli *DockerCli) StackOrchestrator(flagValue string) (Orchestrator, error) {
currentContext := cli.CurrentContext()
ctxRaw, err := cli.ContextStore().GetMetadata(currentContext)
if store.IsErrContextDoesNotExist(err) {
// case where the currentContext has been removed (CLI behavior is to fallback to using DOCKER_HOST based resolution)
return GetStackOrchestrator(flagValue, "", cli.ConfigFile().StackOrchestrator, cli.Err())
}
if err != nil {
return "", err
}
ctxMeta, err := GetDockerContext(ctxRaw)
if err != nil {
return "", err
}
ctxOrchestrator := string(ctxMeta.StackOrchestrator)
return GetStackOrchestrator(flagValue, ctxOrchestrator, cli.ConfigFile().StackOrchestrator, cli.Err())
}
// DockerEndpoint returns the current docker endpoint
func (cli *DockerCli) DockerEndpoint() docker.Endpoint {
return cli.dockerEndpoint
}
// Apply all the operation on the cli
func (cli *DockerCli) Apply(ops ...DockerCliOption) error {
for _, op := range ops {
if err := op(cli); err != nil {
return err
}
}
return nil
}
// ServerInfo stores details about the supported features and platform of the
// server
type ServerInfo struct {
HasExperimental bool
OSType string
BuildkitVersion types.BuilderVersion
}
// ClientInfo stores details about the supported features of the client
type ClientInfo struct {
// Deprecated: experimental CLI features always enabled. This field is kept
// for backward-compatibility, and is always "true".
HasExperimental bool
DefaultVersion string
}
// NewDockerCli returns a DockerCli instance with all operators applied on it.
// It applies by default the standard streams, and the content trust from
// environment.
func NewDockerCli(ops ...DockerCliOption) (*DockerCli, error) {
cli := &DockerCli{}
defaultOps := []DockerCliOption{
WithContentTrustFromEnv(),
}
cli.contextStoreConfig = DefaultContextStoreConfig()
ops = append(defaultOps, ops...)
if err := cli.Apply(ops...); err != nil {
return nil, err
}
if cli.out == nil || cli.in == nil || cli.err == nil {
stdin, stdout, stderr := term.StdStreams()
if cli.in == nil {
cli.in = streams.NewIn(stdin)
}
if cli.out == nil {
cli.out = streams.NewOut(stdout)
}
if cli.err == nil {
cli.err = stderr
}
}
return cli, nil
}
func getServerHost(hosts []string, tlsOptions *tlsconfig.Options) (string, error) {
var host string
switch len(hosts) {
case 0:
host = os.Getenv("DOCKER_HOST")
case 1:
host = hosts[0]
default:
return "", errors.New("Please specify only one -H")
}
return dopts.ParseHost(tlsOptions != nil, host)
}
// UserAgent returns the user agent string used for making API requests
func UserAgent() string {
return "Docker-Client/" + version.Version + " (" + runtime.GOOS + ")"
}
// resolveContextName resolves the current context name with the following rules:
// - setting both --context and --host flags is ambiguous
// - if --context is set, use this value
// - if --host flag or DOCKER_HOST is set, fallbacks to use the same logic as before context-store was added
// for backward compatibility with existing scripts
// - if DOCKER_CONTEXT is set, use this value
// - if Config file has a globally set "CurrentContext", use this value
// - fallbacks to default HOST, uses TLS config from flags/env vars
func resolveContextName(opts *cliflags.CommonOptions, config *configfile.ConfigFile, contextstore store.Reader) (string, error) {
if opts.Context != "" && len(opts.Hosts) > 0 {
return "", errors.New("Conflicting options: either specify --host or --context, not both")
}
if opts.Context != "" {
return opts.Context, nil
}
if len(opts.Hosts) > 0 {
return DefaultContextName, nil
}
if _, present := os.LookupEnv("DOCKER_HOST"); present {
return DefaultContextName, nil
}
if ctxName, ok := os.LookupEnv("DOCKER_CONTEXT"); ok {
return ctxName, nil
}
if config != nil && config.CurrentContext != "" {
_, err := contextstore.GetMetadata(config.CurrentContext)
if store.IsErrContextDoesNotExist(err) {
return "", errors.Errorf("Current context %q is not found on the file system, please check your config file at %s", config.CurrentContext, config.Filename)
}
return config.CurrentContext, err
}
return DefaultContextName, nil
}
var defaultStoreEndpoints = []store.NamedTypeGetter{
store.EndpointTypeGetter(docker.DockerEndpoint, func() interface{} { return &docker.EndpointMeta{} }),
}
// RegisterDefaultStoreEndpoints registers a new named endpoint
// metadata type with the default context store config, so that
// endpoint will be supported by stores using the config returned by
// DefaultContextStoreConfig.
func RegisterDefaultStoreEndpoints(ep ...store.NamedTypeGetter) {
defaultStoreEndpoints = append(defaultStoreEndpoints, ep...)
}
// DefaultContextStoreConfig returns a new store.Config with the default set of endpoints configured.
func DefaultContextStoreConfig() store.Config {
return store.NewConfig(
func() interface{} { return &DockerContext{} },
defaultStoreEndpoints...,
)
}

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@ -0,0 +1,96 @@
package command
import (
"fmt"
"io"
"os"
"strconv"
"github.com/docker/cli/cli/context/docker"
"github.com/docker/cli/cli/context/store"
"github.com/docker/cli/cli/streams"
"github.com/moby/term"
)
// DockerCliOption applies a modification on a DockerCli.
type DockerCliOption func(cli *DockerCli) error
// WithStandardStreams sets a cli in, out and err streams with the standard streams.
func WithStandardStreams() DockerCliOption {
return func(cli *DockerCli) error {
// Set terminal emulation based on platform as required.
stdin, stdout, stderr := term.StdStreams()
cli.in = streams.NewIn(stdin)
cli.out = streams.NewOut(stdout)
cli.err = stderr
return nil
}
}
// WithCombinedStreams uses the same stream for the output and error streams.
func WithCombinedStreams(combined io.Writer) DockerCliOption {
return func(cli *DockerCli) error {
cli.out = streams.NewOut(combined)
cli.err = combined
return nil
}
}
// WithInputStream sets a cli input stream.
func WithInputStream(in io.ReadCloser) DockerCliOption {
return func(cli *DockerCli) error {
cli.in = streams.NewIn(in)
return nil
}
}
// WithOutputStream sets a cli output stream.
func WithOutputStream(out io.Writer) DockerCliOption {
return func(cli *DockerCli) error {
cli.out = streams.NewOut(out)
return nil
}
}
// WithErrorStream sets a cli error stream.
func WithErrorStream(err io.Writer) DockerCliOption {
return func(cli *DockerCli) error {
cli.err = err
return nil
}
}
// WithContentTrustFromEnv enables content trust on a cli from environment variable DOCKER_CONTENT_TRUST value.
func WithContentTrustFromEnv() DockerCliOption {
return func(cli *DockerCli) error {
cli.contentTrust = false
if e := os.Getenv("DOCKER_CONTENT_TRUST"); e != "" {
if t, err := strconv.ParseBool(e); t || err != nil {
// treat any other value as true
cli.contentTrust = true
}
}
return nil
}
}
// WithContentTrust enables content trust on a cli.
func WithContentTrust(enabled bool) DockerCliOption {
return func(cli *DockerCli) error {
cli.contentTrust = enabled
return nil
}
}
// WithContextEndpointType add support for an additional typed endpoint in the context store
// Plugins should use this to store additional endpoints configuration in the context store
func WithContextEndpointType(endpointName string, endpointType store.TypeGetter) DockerCliOption {
return func(cli *DockerCli) error {
switch endpointName {
case docker.DockerEndpoint:
return fmt.Errorf("cannot change %q endpoint type", endpointName)
}
cli.contextStoreConfig.SetEndpoint(endpointName, endpointType)
return nil
}
}

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@ -0,0 +1,37 @@
package command
import (
"os"
"testing"
"gotest.tools/v3/assert"
)
func contentTrustEnabled(t *testing.T) bool {
var cli DockerCli
assert.NilError(t, WithContentTrustFromEnv()(&cli))
return cli.contentTrust
}
// NB: Do not t.Parallel() this test -- it messes with the process environment.
func TestWithContentTrustFromEnv(t *testing.T) {
envvar := "DOCKER_CONTENT_TRUST"
if orig, ok := os.LookupEnv(envvar); ok {
defer func() {
os.Setenv(envvar, orig)
}()
} else {
defer func() {
os.Unsetenv(envvar)
}()
}
os.Setenv(envvar, "true")
assert.Assert(t, contentTrustEnabled(t))
os.Setenv(envvar, "false")
assert.Assert(t, !contentTrustEnabled(t))
os.Setenv(envvar, "invalid")
assert.Assert(t, contentTrustEnabled(t))
os.Unsetenv(envvar)
assert.Assert(t, !contentTrustEnabled(t))
}

306
cli/cli/command/cli_test.go Normal file
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@ -0,0 +1,306 @@
package command
import (
"bytes"
"context"
"crypto/x509"
"fmt"
"io/ioutil"
"os"
"runtime"
"testing"
cliconfig "github.com/docker/cli/cli/config"
"github.com/docker/cli/cli/config/configfile"
"github.com/docker/cli/cli/flags"
"github.com/docker/docker/api"
"github.com/docker/docker/api/types"
"github.com/docker/docker/client"
"github.com/pkg/errors"
"gotest.tools/v3/assert"
is "gotest.tools/v3/assert/cmp"
"gotest.tools/v3/env"
"gotest.tools/v3/fs"
)
func TestNewAPIClientFromFlags(t *testing.T) {
host := "unix://path"
if runtime.GOOS == "windows" {
host = "npipe://./"
}
opts := &flags.CommonOptions{Hosts: []string{host}}
configFile := &configfile.ConfigFile{
HTTPHeaders: map[string]string{
"My-Header": "Custom-Value",
},
}
apiclient, err := NewAPIClientFromFlags(opts, configFile)
assert.NilError(t, err)
assert.Check(t, is.Equal(host, apiclient.DaemonHost()))
expectedHeaders := map[string]string{
"My-Header": "Custom-Value",
"User-Agent": UserAgent(),
}
assert.Check(t, is.DeepEqual(expectedHeaders, apiclient.(*client.Client).CustomHTTPHeaders()))
assert.Check(t, is.Equal(api.DefaultVersion, apiclient.ClientVersion()))
assert.DeepEqual(t, configFile.HTTPHeaders, map[string]string{"My-Header": "Custom-Value"})
}
func TestNewAPIClientFromFlagsForDefaultSchema(t *testing.T) {
host := ":2375"
opts := &flags.CommonOptions{Hosts: []string{host}}
configFile := &configfile.ConfigFile{
HTTPHeaders: map[string]string{
"My-Header": "Custom-Value",
},
}
apiclient, err := NewAPIClientFromFlags(opts, configFile)
assert.NilError(t, err)
assert.Check(t, is.Equal("tcp://localhost"+host, apiclient.DaemonHost()))
expectedHeaders := map[string]string{
"My-Header": "Custom-Value",
"User-Agent": UserAgent(),
}
assert.Check(t, is.DeepEqual(expectedHeaders, apiclient.(*client.Client).CustomHTTPHeaders()))
assert.Check(t, is.Equal(api.DefaultVersion, apiclient.ClientVersion()))
}
func TestNewAPIClientFromFlagsWithAPIVersionFromEnv(t *testing.T) {
customVersion := "v3.3.3"
defer env.Patch(t, "DOCKER_API_VERSION", customVersion)()
defer env.Patch(t, "DOCKER_HOST", ":2375")()
opts := &flags.CommonOptions{}
configFile := &configfile.ConfigFile{}
apiclient, err := NewAPIClientFromFlags(opts, configFile)
assert.NilError(t, err)
assert.Check(t, is.Equal(customVersion, apiclient.ClientVersion()))
}
type fakeClient struct {
client.Client
pingFunc func() (types.Ping, error)
version string
negotiated bool
}
func (c *fakeClient) Ping(_ context.Context) (types.Ping, error) {
return c.pingFunc()
}
func (c *fakeClient) ClientVersion() string {
return c.version
}
func (c *fakeClient) NegotiateAPIVersionPing(types.Ping) {
c.negotiated = true
}
func TestInitializeFromClient(t *testing.T) {
defaultVersion := "v1.55"
var testcases = []struct {
doc string
pingFunc func() (types.Ping, error)
expectedServer ServerInfo
negotiated bool
}{
{
doc: "successful ping",
pingFunc: func() (types.Ping, error) {
return types.Ping{Experimental: true, OSType: "linux", APIVersion: "v1.30"}, nil
},
expectedServer: ServerInfo{HasExperimental: true, OSType: "linux"},
negotiated: true,
},
{
doc: "failed ping, no API version",
pingFunc: func() (types.Ping, error) {
return types.Ping{}, errors.New("failed")
},
expectedServer: ServerInfo{HasExperimental: true},
},
{
doc: "failed ping, with API version",
pingFunc: func() (types.Ping, error) {
return types.Ping{APIVersion: "v1.33"}, errors.New("failed")
},
expectedServer: ServerInfo{HasExperimental: true},
negotiated: true,
},
}
for _, testcase := range testcases {
testcase := testcase
t.Run(testcase.doc, func(t *testing.T) {
apiclient := &fakeClient{
pingFunc: testcase.pingFunc,
version: defaultVersion,
}
cli := &DockerCli{client: apiclient}
cli.initializeFromClient()
assert.Check(t, is.DeepEqual(testcase.expectedServer, cli.serverInfo))
assert.Check(t, is.Equal(testcase.negotiated, apiclient.negotiated))
})
}
}
// The CLI no longer disables/hides experimental CLI features, however, we need
// to verify that existing configuration files do not break
func TestExperimentalCLI(t *testing.T) {
defaultVersion := "v1.55"
var testcases = []struct {
doc string
configfile string
}{
{
doc: "default",
configfile: `{}`,
},
{
doc: "experimental",
configfile: `{
"experimental": "enabled"
}`,
},
}
for _, testcase := range testcases {
testcase := testcase
t.Run(testcase.doc, func(t *testing.T) {
dir := fs.NewDir(t, testcase.doc, fs.WithFile("config.json", testcase.configfile))
defer dir.Remove()
apiclient := &fakeClient{
version: defaultVersion,
pingFunc: func() (types.Ping, error) {
return types.Ping{Experimental: true, OSType: "linux", APIVersion: defaultVersion}, nil
},
}
cli := &DockerCli{client: apiclient, err: os.Stderr}
cliconfig.SetDir(dir.Path())
err := cli.Initialize(flags.NewClientOptions())
assert.NilError(t, err)
// For backward-compatibility, HasExperimental will always be "true"
assert.Check(t, is.Equal(true, cli.ClientInfo().HasExperimental))
})
}
}
func TestGetClientWithPassword(t *testing.T) {
expected := "password"
var testcases = []struct {
doc string
password string
retrieverErr error
retrieverGiveup bool
newClientErr error
expectedErr string
}{
{
doc: "successful connect",
password: expected,
},
{
doc: "password retriever exhausted",
retrieverGiveup: true,
retrieverErr: errors.New("failed"),
expectedErr: "private key is encrypted, but could not get passphrase",
},
{
doc: "password retriever error",
retrieverErr: errors.New("failed"),
expectedErr: "failed",
},
{
doc: "newClient error",
newClientErr: errors.New("failed to connect"),
expectedErr: "failed to connect",
},
}
for _, testcase := range testcases {
testcase := testcase
t.Run(testcase.doc, func(t *testing.T) {
passRetriever := func(_, _ string, _ bool, attempts int) (passphrase string, giveup bool, err error) {
// Always return an invalid pass first to test iteration
switch attempts {
case 0:
return "something else", false, nil
default:
return testcase.password, testcase.retrieverGiveup, testcase.retrieverErr
}
}
newClient := func(currentPassword string) (client.APIClient, error) {
if testcase.newClientErr != nil {
return nil, testcase.newClientErr
}
if currentPassword == expected {
return &client.Client{}, nil
}
return &client.Client{}, x509.IncorrectPasswordError
}
_, err := getClientWithPassword(passRetriever, newClient)
if testcase.expectedErr != "" {
assert.ErrorContains(t, err, testcase.expectedErr)
return
}
assert.NilError(t, err)
})
}
}
func TestNewDockerCliAndOperators(t *testing.T) {
// Test default operations and also overriding default ones
cli, err := NewDockerCli(
WithContentTrust(true),
)
assert.NilError(t, err)
// Check streams are initialized
assert.Check(t, cli.In() != nil)
assert.Check(t, cli.Out() != nil)
assert.Check(t, cli.Err() != nil)
assert.Equal(t, cli.ContentTrustEnabled(), true)
// Apply can modify a dockerCli after construction
inbuf := bytes.NewBuffer([]byte("input"))
outbuf := bytes.NewBuffer(nil)
errbuf := bytes.NewBuffer(nil)
err = cli.Apply(
WithInputStream(ioutil.NopCloser(inbuf)),
WithOutputStream(outbuf),
WithErrorStream(errbuf),
)
assert.NilError(t, err)
// Check input stream
inputStream, err := ioutil.ReadAll(cli.In())
assert.NilError(t, err)
assert.Equal(t, string(inputStream), "input")
// Check output stream
fmt.Fprintf(cli.Out(), "output")
outputStream, err := ioutil.ReadAll(outbuf)
assert.NilError(t, err)
assert.Equal(t, string(outputStream), "output")
// Check error stream
fmt.Fprintf(cli.Err(), "error")
errStream, err := ioutil.ReadAll(errbuf)
assert.NilError(t, err)
assert.Equal(t, string(errStream), "error")
}
func TestInitializeShouldAlwaysCreateTheContextStore(t *testing.T) {
cli, err := NewDockerCli()
assert.NilError(t, err)
assert.NilError(t, cli.Initialize(flags.NewClientOptions(), WithInitializeClient(func(cli *DockerCli) (client.APIClient, error) {
return client.NewClientWithOpts()
})))
assert.Check(t, cli.ContextStore() != nil)
}

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package commands
import (
"os"
"github.com/docker/cli/cli/command"
"github.com/docker/cli/cli/command/builder"
"github.com/docker/cli/cli/command/checkpoint"
"github.com/docker/cli/cli/command/config"
"github.com/docker/cli/cli/command/container"
"github.com/docker/cli/cli/command/context"
"github.com/docker/cli/cli/command/image"
"github.com/docker/cli/cli/command/manifest"
"github.com/docker/cli/cli/command/network"
"github.com/docker/cli/cli/command/node"
"github.com/docker/cli/cli/command/plugin"
"github.com/docker/cli/cli/command/registry"
"github.com/docker/cli/cli/command/secret"
"github.com/docker/cli/cli/command/service"
"github.com/docker/cli/cli/command/stack"
"github.com/docker/cli/cli/command/swarm"
"github.com/docker/cli/cli/command/system"
"github.com/docker/cli/cli/command/trust"
"github.com/docker/cli/cli/command/volume"
"github.com/spf13/cobra"
)
// AddCommands adds all the commands from cli/command to the root command
func AddCommands(cmd *cobra.Command, dockerCli command.Cli) {
cmd.AddCommand(
// checkpoint
checkpoint.NewCheckpointCommand(dockerCli),
// config
config.NewConfigCommand(dockerCli),
// container
container.NewContainerCommand(dockerCli),
container.NewRunCommand(dockerCli),
// image
image.NewImageCommand(dockerCli),
image.NewBuildCommand(dockerCli),
// builder
builder.NewBuilderCommand(dockerCli),
// manifest
manifest.NewManifestCommand(dockerCli),
// network
network.NewNetworkCommand(dockerCli),
// node
node.NewNodeCommand(dockerCli),
// plugin
plugin.NewPluginCommand(dockerCli),
// registry
registry.NewLoginCommand(dockerCli),
registry.NewLogoutCommand(dockerCli),
registry.NewSearchCommand(dockerCli),
// secret
secret.NewSecretCommand(dockerCli),
// service
service.NewServiceCommand(dockerCli),
// system
system.NewSystemCommand(dockerCli),
system.NewVersionCommand(dockerCli),
// stack
stack.NewStackCommand(dockerCli),
// swarm
swarm.NewSwarmCommand(dockerCli),
// trust
trust.NewTrustCommand(dockerCli),
// volume
volume.NewVolumeCommand(dockerCli),
// context
context.NewContextCommand(dockerCli),
// legacy commands may be hidden
hide(system.NewEventsCommand(dockerCli)),
hide(system.NewInfoCommand(dockerCli)),
hide(system.NewInspectCommand(dockerCli)),
hide(container.NewAttachCommand(dockerCli)),
hide(container.NewCommitCommand(dockerCli)),
hide(container.NewCopyCommand(dockerCli)),
hide(container.NewCreateCommand(dockerCli)),
hide(container.NewDiffCommand(dockerCli)),
hide(container.NewExecCommand(dockerCli)),
hide(container.NewExportCommand(dockerCli)),
hide(container.NewKillCommand(dockerCli)),
hide(container.NewLogsCommand(dockerCli)),
hide(container.NewPauseCommand(dockerCli)),
hide(container.NewPortCommand(dockerCli)),
hide(container.NewPsCommand(dockerCli)),
hide(container.NewRenameCommand(dockerCli)),
hide(container.NewRestartCommand(dockerCli)),
hide(container.NewRmCommand(dockerCli)),
hide(container.NewStartCommand(dockerCli)),
hide(container.NewStatsCommand(dockerCli)),
hide(container.NewStopCommand(dockerCli)),
hide(container.NewTopCommand(dockerCli)),
hide(container.NewUnpauseCommand(dockerCli)),
hide(container.NewUpdateCommand(dockerCli)),
hide(container.NewWaitCommand(dockerCli)),
hide(image.NewHistoryCommand(dockerCli)),
hide(image.NewImagesCommand(dockerCli)),
hide(image.NewImportCommand(dockerCli)),
hide(image.NewLoadCommand(dockerCli)),
hide(image.NewPullCommand(dockerCli)),
hide(image.NewPushCommand(dockerCli)),
hide(image.NewRemoveCommand(dockerCli)),
hide(image.NewSaveCommand(dockerCli)),
hide(image.NewTagCommand(dockerCli)),
)
}
func hide(cmd *cobra.Command) *cobra.Command {
// If the environment variable with name "DOCKER_HIDE_LEGACY_COMMANDS" is not empty,
// these legacy commands (such as `docker ps`, `docker exec`, etc)
// will not be shown in output console.
if os.Getenv("DOCKER_HIDE_LEGACY_COMMANDS") == "" {
return cmd
}
cmdCopy := *cmd
cmdCopy.Hidden = true
cmdCopy.Aliases = []string{}
return &cmdCopy
}

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package config
import (
"context"
"github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/swarm"
"github.com/docker/docker/client"
)
type fakeClient struct {
client.Client
configCreateFunc func(swarm.ConfigSpec) (types.ConfigCreateResponse, error)
configInspectFunc func(string) (swarm.Config, []byte, error)
configListFunc func(types.ConfigListOptions) ([]swarm.Config, error)
configRemoveFunc func(string) error
}
func (c *fakeClient) ConfigCreate(ctx context.Context, spec swarm.ConfigSpec) (types.ConfigCreateResponse, error) {
if c.configCreateFunc != nil {
return c.configCreateFunc(spec)
}
return types.ConfigCreateResponse{}, nil
}
func (c *fakeClient) ConfigInspectWithRaw(ctx context.Context, id string) (swarm.Config, []byte, error) {
if c.configInspectFunc != nil {
return c.configInspectFunc(id)
}
return swarm.Config{}, nil, nil
}
func (c *fakeClient) ConfigList(ctx context.Context, options types.ConfigListOptions) ([]swarm.Config, error) {
if c.configListFunc != nil {
return c.configListFunc(options)
}
return []swarm.Config{}, nil
}
func (c *fakeClient) ConfigRemove(ctx context.Context, name string) error {
if c.configRemoveFunc != nil {
return c.configRemoveFunc(name)
}
return nil
}

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package config
import (
"github.com/spf13/cobra"
"github.com/docker/cli/cli"
"github.com/docker/cli/cli/command"
)
// NewConfigCommand returns a cobra command for `config` subcommands
func NewConfigCommand(dockerCli command.Cli) *cobra.Command {
cmd := &cobra.Command{
Use: "config",
Short: "Manage Docker configs",
Args: cli.NoArgs,
RunE: command.ShowHelp(dockerCli.Err()),
Annotations: map[string]string{
"version": "1.30",
"swarm": "",
},
}
cmd.AddCommand(
newConfigListCommand(dockerCli),
newConfigCreateCommand(dockerCli),
newConfigInspectCommand(dockerCli),
newConfigRemoveCommand(dockerCli),
)
return cmd
}

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package config
import (
"context"
"fmt"
"io"
"io/ioutil"
"github.com/docker/cli/cli"
"github.com/docker/cli/cli/command"
"github.com/docker/cli/opts"
"github.com/docker/docker/api/types/swarm"
"github.com/docker/docker/pkg/system"
"github.com/pkg/errors"
"github.com/spf13/cobra"
)
// CreateOptions specifies some options that are used when creating a config.
type CreateOptions struct {
Name string
TemplateDriver string
File string
Labels opts.ListOpts
}
func newConfigCreateCommand(dockerCli command.Cli) *cobra.Command {
createOpts := CreateOptions{
Labels: opts.NewListOpts(opts.ValidateLabel),
}
cmd := &cobra.Command{
Use: "create [OPTIONS] CONFIG file|-",
Short: "Create a config from a file or STDIN",
Args: cli.ExactArgs(2),
RunE: func(cmd *cobra.Command, args []string) error {
createOpts.Name = args[0]
createOpts.File = args[1]
return RunConfigCreate(dockerCli, createOpts)
},
}
flags := cmd.Flags()
flags.VarP(&createOpts.Labels, "label", "l", "Config labels")
flags.StringVar(&createOpts.TemplateDriver, "template-driver", "", "Template driver")
flags.SetAnnotation("template-driver", "version", []string{"1.37"})
return cmd
}
// RunConfigCreate creates a config with the given options.
func RunConfigCreate(dockerCli command.Cli, options CreateOptions) error {
client := dockerCli.Client()
ctx := context.Background()
var in io.Reader = dockerCli.In()
if options.File != "-" {
file, err := system.OpenSequential(options.File)
if err != nil {
return err
}
in = file
defer file.Close()
}
configData, err := ioutil.ReadAll(in)
if err != nil {
return errors.Errorf("Error reading content from %q: %v", options.File, err)
}
spec := swarm.ConfigSpec{
Annotations: swarm.Annotations{
Name: options.Name,
Labels: opts.ConvertKVStringsToMap(options.Labels.GetAll()),
},
Data: configData,
}
if options.TemplateDriver != "" {
spec.Templating = &swarm.Driver{
Name: options.TemplateDriver,
}
}
r, err := client.ConfigCreate(ctx, spec)
if err != nil {
return err
}
fmt.Fprintln(dockerCli.Out(), r.ID)
return nil
}

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package config
import (
"io/ioutil"
"path/filepath"
"reflect"
"strings"
"testing"
"github.com/docker/cli/internal/test"
"github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/swarm"
"github.com/pkg/errors"
"gotest.tools/v3/assert"
is "gotest.tools/v3/assert/cmp"
"gotest.tools/v3/golden"
)
const configDataFile = "config-create-with-name.golden"
func TestConfigCreateErrors(t *testing.T) {
testCases := []struct {
args []string
configCreateFunc func(swarm.ConfigSpec) (types.ConfigCreateResponse, error)
expectedError string
}{
{
args: []string{"too_few"},
expectedError: "requires exactly 2 arguments",
},
{args: []string{"too", "many", "arguments"},
expectedError: "requires exactly 2 arguments",
},
{
args: []string{"name", filepath.Join("testdata", configDataFile)},
configCreateFunc: func(configSpec swarm.ConfigSpec) (types.ConfigCreateResponse, error) {
return types.ConfigCreateResponse{}, errors.Errorf("error creating config")
},
expectedError: "error creating config",
},
}
for _, tc := range testCases {
cmd := newConfigCreateCommand(
test.NewFakeCli(&fakeClient{
configCreateFunc: tc.configCreateFunc,
}),
)
cmd.SetArgs(tc.args)
cmd.SetOut(ioutil.Discard)
assert.ErrorContains(t, cmd.Execute(), tc.expectedError)
}
}
func TestConfigCreateWithName(t *testing.T) {
name := "foo"
var actual []byte
cli := test.NewFakeCli(&fakeClient{
configCreateFunc: func(spec swarm.ConfigSpec) (types.ConfigCreateResponse, error) {
if spec.Name != name {
return types.ConfigCreateResponse{}, errors.Errorf("expected name %q, got %q", name, spec.Name)
}
actual = spec.Data
return types.ConfigCreateResponse{
ID: "ID-" + spec.Name,
}, nil
},
})
cmd := newConfigCreateCommand(cli)
cmd.SetArgs([]string{name, filepath.Join("testdata", configDataFile)})
assert.NilError(t, cmd.Execute())
golden.Assert(t, string(actual), configDataFile)
assert.Check(t, is.Equal("ID-"+name, strings.TrimSpace(cli.OutBuffer().String())))
}
func TestConfigCreateWithLabels(t *testing.T) {
expectedLabels := map[string]string{
"lbl1": "Label-foo",
"lbl2": "Label-bar",
}
name := "foo"
data, err := ioutil.ReadFile(filepath.Join("testdata", configDataFile))
assert.NilError(t, err)
expected := swarm.ConfigSpec{
Annotations: swarm.Annotations{
Name: name,
Labels: expectedLabels,
},
Data: data,
}
cli := test.NewFakeCli(&fakeClient{
configCreateFunc: func(spec swarm.ConfigSpec) (types.ConfigCreateResponse, error) {
if !reflect.DeepEqual(spec, expected) {
return types.ConfigCreateResponse{}, errors.Errorf("expected %+v, got %+v", expected, spec)
}
return types.ConfigCreateResponse{
ID: "ID-" + spec.Name,
}, nil
},
})
cmd := newConfigCreateCommand(cli)
cmd.SetArgs([]string{name, filepath.Join("testdata", configDataFile)})
cmd.Flags().Set("label", "lbl1=Label-foo")
cmd.Flags().Set("label", "lbl2=Label-bar")
assert.NilError(t, cmd.Execute())
assert.Check(t, is.Equal("ID-"+name, strings.TrimSpace(cli.OutBuffer().String())))
}
func TestConfigCreateWithTemplatingDriver(t *testing.T) {
expectedDriver := &swarm.Driver{
Name: "template-driver",
}
name := "foo"
cli := test.NewFakeCli(&fakeClient{
configCreateFunc: func(spec swarm.ConfigSpec) (types.ConfigCreateResponse, error) {
if spec.Name != name {
return types.ConfigCreateResponse{}, errors.Errorf("expected name %q, got %q", name, spec.Name)
}
if spec.Templating.Name != expectedDriver.Name {
return types.ConfigCreateResponse{}, errors.Errorf("expected driver %v, got %v", expectedDriver, spec.Labels)
}
return types.ConfigCreateResponse{
ID: "ID-" + spec.Name,
}, nil
},
})
cmd := newConfigCreateCommand(cli)
cmd.SetArgs([]string{name, filepath.Join("testdata", configDataFile)})
cmd.Flags().Set("template-driver", expectedDriver.Name)
assert.NilError(t, cmd.Execute())
assert.Check(t, is.Equal("ID-"+name, strings.TrimSpace(cli.OutBuffer().String())))
}

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package config
import (
"fmt"
"strings"
"time"
"github.com/docker/cli/cli/command"
"github.com/docker/cli/cli/command/formatter"
"github.com/docker/cli/cli/command/inspect"
"github.com/docker/docker/api/types/swarm"
units "github.com/docker/go-units"
)
const (
defaultConfigTableFormat = "table {{.ID}}\t{{.Name}}\t{{.CreatedAt}}\t{{.UpdatedAt}}"
configIDHeader = "ID"
configCreatedHeader = "CREATED"
configUpdatedHeader = "UPDATED"
configInspectPrettyTemplate formatter.Format = `ID: {{.ID}}
Name: {{.Name}}
{{- if .Labels }}
Labels:
{{- range $k, $v := .Labels }}
- {{ $k }}{{if $v }}={{ $v }}{{ end }}
{{- end }}{{ end }}
Created at: {{.CreatedAt}}
Updated at: {{.UpdatedAt}}
Data:
{{.Data}}`
)
// NewFormat returns a Format for rendering using a config Context
func NewFormat(source string, quiet bool) formatter.Format {
switch source {
case formatter.PrettyFormatKey:
return configInspectPrettyTemplate
case formatter.TableFormatKey:
if quiet {
return formatter.DefaultQuietFormat
}
return defaultConfigTableFormat
}
return formatter.Format(source)
}
// FormatWrite writes the context
func FormatWrite(ctx formatter.Context, configs []swarm.Config) error {
render := func(format func(subContext formatter.SubContext) error) error {
for _, config := range configs {
configCtx := &configContext{c: config}
if err := format(configCtx); err != nil {
return err
}
}
return nil
}
return ctx.Write(newConfigContext(), render)
}
func newConfigContext() *configContext {
cCtx := &configContext{}
cCtx.Header = formatter.SubHeaderContext{
"ID": configIDHeader,
"Name": formatter.NameHeader,
"CreatedAt": configCreatedHeader,
"UpdatedAt": configUpdatedHeader,
"Labels": formatter.LabelsHeader,
}
return cCtx
}
type configContext struct {
formatter.HeaderContext
c swarm.Config
}
func (c *configContext) MarshalJSON() ([]byte, error) {
return formatter.MarshalJSON(c)
}
func (c *configContext) ID() string {
return c.c.ID
}
func (c *configContext) Name() string {
return c.c.Spec.Annotations.Name
}
func (c *configContext) CreatedAt() string {
return units.HumanDuration(time.Now().UTC().Sub(c.c.Meta.CreatedAt)) + " ago"
}
func (c *configContext) UpdatedAt() string {
return units.HumanDuration(time.Now().UTC().Sub(c.c.Meta.UpdatedAt)) + " ago"
}
func (c *configContext) Labels() string {
mapLabels := c.c.Spec.Annotations.Labels
if mapLabels == nil {
return ""
}
var joinLabels []string
for k, v := range mapLabels {
joinLabels = append(joinLabels, fmt.Sprintf("%s=%s", k, v))
}
return strings.Join(joinLabels, ",")
}
func (c *configContext) Label(name string) string {
if c.c.Spec.Annotations.Labels == nil {
return ""
}
return c.c.Spec.Annotations.Labels[name]
}
// InspectFormatWrite renders the context for a list of configs
func InspectFormatWrite(ctx formatter.Context, refs []string, getRef inspect.GetRefFunc) error {
if ctx.Format != configInspectPrettyTemplate {
return inspect.Inspect(ctx.Output, refs, string(ctx.Format), getRef)
}
render := func(format func(subContext formatter.SubContext) error) error {
for _, ref := range refs {
configI, _, err := getRef(ref)
if err != nil {
return err
}
config, ok := configI.(swarm.Config)
if !ok {
return fmt.Errorf("got wrong object to inspect :%v", ok)
}
if err := format(&configInspectContext{Config: config}); err != nil {
return err
}
}
return nil
}
return ctx.Write(&configInspectContext{}, render)
}
type configInspectContext struct {
swarm.Config
formatter.SubContext
}
func (ctx *configInspectContext) ID() string {
return ctx.Config.ID
}
func (ctx *configInspectContext) Name() string {
return ctx.Config.Spec.Name
}
func (ctx *configInspectContext) Labels() map[string]string {
return ctx.Config.Spec.Labels
}
func (ctx *configInspectContext) CreatedAt() string {
return command.PrettyPrint(ctx.Config.CreatedAt)
}
func (ctx *configInspectContext) UpdatedAt() string {
return command.PrettyPrint(ctx.Config.UpdatedAt)
}
func (ctx *configInspectContext) Data() string {
if ctx.Config.Spec.Data == nil {
return ""
}
return string(ctx.Config.Spec.Data)
}

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package config
import (
"bytes"
"testing"
"time"
"github.com/docker/cli/cli/command/formatter"
"github.com/docker/docker/api/types/swarm"
"gotest.tools/v3/assert"
)
func TestConfigContextFormatWrite(t *testing.T) {
// Check default output format (verbose and non-verbose mode) for table headers
cases := []struct {
context formatter.Context
expected string
}{
// Errors
{
formatter.Context{Format: "{{InvalidFunction}}"},
`Template parsing error: template: :1: function "InvalidFunction" not defined
`,
},
{
formatter.Context{Format: "{{nil}}"},
`Template parsing error: template: :1:2: executing "" at <nil>: nil is not a command
`,
},
// Table format
{formatter.Context{Format: NewFormat("table", false)},
`ID NAME CREATED UPDATED
1 passwords Less than a second ago Less than a second ago
2 id_rsa Less than a second ago Less than a second ago
`},
{formatter.Context{Format: NewFormat("table {{.Name}}", true)},
`NAME
passwords
id_rsa
`},
{formatter.Context{Format: NewFormat("{{.ID}}-{{.Name}}", false)},
`1-passwords
2-id_rsa
`},
}
configs := []swarm.Config{
{ID: "1",
Meta: swarm.Meta{CreatedAt: time.Now(), UpdatedAt: time.Now()},
Spec: swarm.ConfigSpec{Annotations: swarm.Annotations{Name: "passwords"}}},
{ID: "2",
Meta: swarm.Meta{CreatedAt: time.Now(), UpdatedAt: time.Now()},
Spec: swarm.ConfigSpec{Annotations: swarm.Annotations{Name: "id_rsa"}}},
}
for _, tc := range cases {
tc := tc
t.Run(string(tc.context.Format), func(t *testing.T) {
var out bytes.Buffer
tc.context.Output = &out
if err := FormatWrite(tc.context, configs); err != nil {
assert.ErrorContains(t, err, tc.expected)
} else {
assert.Equal(t, out.String(), tc.expected)
}
})
}
}

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package config
import (
"context"
"fmt"
"strings"
"github.com/docker/cli/cli"
"github.com/docker/cli/cli/command"
"github.com/docker/cli/cli/command/formatter"
"github.com/spf13/cobra"
)
// InspectOptions contains options for the docker config inspect command.
type InspectOptions struct {
Names []string
Format string
Pretty bool
}
func newConfigInspectCommand(dockerCli command.Cli) *cobra.Command {
opts := InspectOptions{}
cmd := &cobra.Command{
Use: "inspect [OPTIONS] CONFIG [CONFIG...]",
Short: "Display detailed information on one or more configs",
Args: cli.RequiresMinArgs(1),
RunE: func(cmd *cobra.Command, args []string) error {
opts.Names = args
return RunConfigInspect(dockerCli, opts)
},
}
cmd.Flags().StringVarP(&opts.Format, "format", "f", "", "Format the output using the given Go template")
cmd.Flags().BoolVar(&opts.Pretty, "pretty", false, "Print the information in a human friendly format")
return cmd
}
// RunConfigInspect inspects the given Swarm config.
func RunConfigInspect(dockerCli command.Cli, opts InspectOptions) error {
client := dockerCli.Client()
ctx := context.Background()
if opts.Pretty {
opts.Format = "pretty"
}
getRef := func(id string) (interface{}, []byte, error) {
return client.ConfigInspectWithRaw(ctx, id)
}
f := opts.Format
// check if the user is trying to apply a template to the pretty format, which
// is not supported
if strings.HasPrefix(f, "pretty") && f != "pretty" {
return fmt.Errorf("Cannot supply extra formatting options to the pretty template")
}
configCtx := formatter.Context{
Output: dockerCli.Out(),
Format: NewFormat(f, false),
}
if err := InspectFormatWrite(configCtx, opts.Names, getRef); err != nil {
return cli.StatusError{StatusCode: 1, Status: err.Error()}
}
return nil
}

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package config
import (
"fmt"
"io/ioutil"
"testing"
"time"
"github.com/docker/cli/internal/test"
. "github.com/docker/cli/internal/test/builders" // Import builders to get the builder function as package function
"github.com/docker/docker/api/types/swarm"
"github.com/pkg/errors"
"gotest.tools/v3/assert"
"gotest.tools/v3/golden"
)
func TestConfigInspectErrors(t *testing.T) {
testCases := []struct {
args []string
flags map[string]string
configInspectFunc func(configID string) (swarm.Config, []byte, error)
expectedError string
}{
{
expectedError: "requires at least 1 argument",
},
{
args: []string{"foo"},
configInspectFunc: func(configID string) (swarm.Config, []byte, error) {
return swarm.Config{}, nil, errors.Errorf("error while inspecting the config")
},
expectedError: "error while inspecting the config",
},
{
args: []string{"foo"},
flags: map[string]string{
"format": "{{invalid format}}",
},
expectedError: "Template parsing error",
},
{
args: []string{"foo", "bar"},
configInspectFunc: func(configID string) (swarm.Config, []byte, error) {
if configID == "foo" {
return *Config(ConfigName("foo")), nil, nil
}
return swarm.Config{}, nil, errors.Errorf("error while inspecting the config")
},
expectedError: "error while inspecting the config",
},
}
for _, tc := range testCases {
cmd := newConfigInspectCommand(
test.NewFakeCli(&fakeClient{
configInspectFunc: tc.configInspectFunc,
}),
)
cmd.SetArgs(tc.args)
for key, value := range tc.flags {
cmd.Flags().Set(key, value)
}
cmd.SetOut(ioutil.Discard)
assert.ErrorContains(t, cmd.Execute(), tc.expectedError)
}
}
func TestConfigInspectWithoutFormat(t *testing.T) {
testCases := []struct {
name string
args []string
configInspectFunc func(configID string) (swarm.Config, []byte, error)
}{
{
name: "single-config",
args: []string{"foo"},
configInspectFunc: func(name string) (swarm.Config, []byte, error) {
if name != "foo" {
return swarm.Config{}, nil, errors.Errorf("Invalid name, expected %s, got %s", "foo", name)
}
return *Config(ConfigID("ID-foo"), ConfigName("foo")), nil, nil
},
},
{
name: "multiple-configs-with-labels",
args: []string{"foo", "bar"},
configInspectFunc: func(name string) (swarm.Config, []byte, error) {
return *Config(ConfigID("ID-"+name), ConfigName(name), ConfigLabels(map[string]string{
"label1": "label-foo",
})), nil, nil
},
},
}
for _, tc := range testCases {
cli := test.NewFakeCli(&fakeClient{configInspectFunc: tc.configInspectFunc})
cmd := newConfigInspectCommand(cli)
cmd.SetArgs(tc.args)
assert.NilError(t, cmd.Execute())
golden.Assert(t, cli.OutBuffer().String(), fmt.Sprintf("config-inspect-without-format.%s.golden", tc.name))
}
}
func TestConfigInspectWithFormat(t *testing.T) {
configInspectFunc := func(name string) (swarm.Config, []byte, error) {
return *Config(ConfigName("foo"), ConfigLabels(map[string]string{
"label1": "label-foo",
})), nil, nil
}
testCases := []struct {
name string
format string
args []string
configInspectFunc func(name string) (swarm.Config, []byte, error)
}{
{
name: "simple-template",
format: "{{.Spec.Name}}",
args: []string{"foo"},
configInspectFunc: configInspectFunc,
},
{
name: "json-template",
format: "{{json .Spec.Labels}}",
args: []string{"foo"},
configInspectFunc: configInspectFunc,
},
}
for _, tc := range testCases {
cli := test.NewFakeCli(&fakeClient{
configInspectFunc: tc.configInspectFunc,
})
cmd := newConfigInspectCommand(cli)
cmd.SetArgs(tc.args)
cmd.Flags().Set("format", tc.format)
assert.NilError(t, cmd.Execute())
golden.Assert(t, cli.OutBuffer().String(), fmt.Sprintf("config-inspect-with-format.%s.golden", tc.name))
}
}
func TestConfigInspectPretty(t *testing.T) {
testCases := []struct {
name string
configInspectFunc func(string) (swarm.Config, []byte, error)
}{
{
name: "simple",
configInspectFunc: func(id string) (swarm.Config, []byte, error) {
return *Config(
ConfigLabels(map[string]string{
"lbl1": "value1",
}),
ConfigID("configID"),
ConfigName("configName"),
ConfigCreatedAt(time.Time{}),
ConfigUpdatedAt(time.Time{}),
ConfigData([]byte("payload here")),
), []byte{}, nil
},
},
}
for _, tc := range testCases {
cli := test.NewFakeCli(&fakeClient{
configInspectFunc: tc.configInspectFunc,
})
cmd := newConfigInspectCommand(cli)
cmd.SetArgs([]string{"configID"})
cmd.Flags().Set("pretty", "true")
assert.NilError(t, cmd.Execute())
golden.Assert(t, cli.OutBuffer().String(), fmt.Sprintf("config-inspect-pretty.%s.golden", tc.name))
}
}

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package config
import (
"context"
"sort"
"github.com/docker/cli/cli"
"github.com/docker/cli/cli/command"
"github.com/docker/cli/cli/command/formatter"
"github.com/docker/cli/opts"
"github.com/docker/docker/api/types"
"github.com/fvbommel/sortorder"
"github.com/spf13/cobra"
)
// ListOptions contains options for the docker config ls command.
type ListOptions struct {
Quiet bool
Format string
Filter opts.FilterOpt
}
func newConfigListCommand(dockerCli command.Cli) *cobra.Command {
listOpts := ListOptions{Filter: opts.NewFilterOpt()}
cmd := &cobra.Command{
Use: "ls [OPTIONS]",
Aliases: []string{"list"},
Short: "List configs",
Args: cli.NoArgs,
RunE: func(cmd *cobra.Command, args []string) error {
return RunConfigList(dockerCli, listOpts)
},
}
flags := cmd.Flags()
flags.BoolVarP(&listOpts.Quiet, "quiet", "q", false, "Only display IDs")
flags.StringVarP(&listOpts.Format, "format", "", "", "Pretty-print configs using a Go template")
flags.VarP(&listOpts.Filter, "filter", "f", "Filter output based on conditions provided")
return cmd
}
// RunConfigList lists Swarm configs.
func RunConfigList(dockerCli command.Cli, options ListOptions) error {
client := dockerCli.Client()
ctx := context.Background()
configs, err := client.ConfigList(ctx, types.ConfigListOptions{Filters: options.Filter.Value()})
if err != nil {
return err
}
format := options.Format
if len(format) == 0 {
if len(dockerCli.ConfigFile().ConfigFormat) > 0 && !options.Quiet {
format = dockerCli.ConfigFile().ConfigFormat
} else {
format = formatter.TableFormatKey
}
}
sort.Slice(configs, func(i, j int) bool {
return sortorder.NaturalLess(configs[i].Spec.Name, configs[j].Spec.Name)
})
configCtx := formatter.Context{
Output: dockerCli.Out(),
Format: NewFormat(format, options.Quiet),
}
return FormatWrite(configCtx, configs)
}

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package config
import (
"io/ioutil"
"testing"
"time"
"github.com/docker/cli/cli/config/configfile"
"github.com/docker/cli/internal/test"
. "github.com/docker/cli/internal/test/builders" // Import builders to get the builder function as package function
"github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/swarm"
"github.com/pkg/errors"
"gotest.tools/v3/assert"
is "gotest.tools/v3/assert/cmp"
"gotest.tools/v3/golden"
)
func TestConfigListErrors(t *testing.T) {
testCases := []struct {
args []string
configListFunc func(types.ConfigListOptions) ([]swarm.Config, error)
expectedError string
}{
{
args: []string{"foo"},
expectedError: "accepts no argument",
},
{
configListFunc: func(options types.ConfigListOptions) ([]swarm.Config, error) {
return []swarm.Config{}, errors.Errorf("error listing configs")
},
expectedError: "error listing configs",
},
}
for _, tc := range testCases {
cmd := newConfigListCommand(
test.NewFakeCli(&fakeClient{
configListFunc: tc.configListFunc,
}),
)
cmd.SetArgs(tc.args)
cmd.SetOut(ioutil.Discard)
assert.ErrorContains(t, cmd.Execute(), tc.expectedError)
}
}
func TestConfigList(t *testing.T) {
cli := test.NewFakeCli(&fakeClient{
configListFunc: func(options types.ConfigListOptions) ([]swarm.Config, error) {
return []swarm.Config{
*Config(ConfigID("ID-1-foo"),
ConfigName("1-foo"),
ConfigVersion(swarm.Version{Index: 10}),
ConfigCreatedAt(time.Now().Add(-2*time.Hour)),
ConfigUpdatedAt(time.Now().Add(-1*time.Hour)),
),
*Config(ConfigID("ID-10-foo"),
ConfigName("10-foo"),
ConfigVersion(swarm.Version{Index: 11}),
ConfigCreatedAt(time.Now().Add(-2*time.Hour)),
ConfigUpdatedAt(time.Now().Add(-1*time.Hour)),
),
*Config(ConfigID("ID-2-foo"),
ConfigName("2-foo"),
ConfigVersion(swarm.Version{Index: 11}),
ConfigCreatedAt(time.Now().Add(-2*time.Hour)),
ConfigUpdatedAt(time.Now().Add(-1*time.Hour)),
),
}, nil
},
})
cmd := newConfigListCommand(cli)
assert.NilError(t, cmd.Execute())
golden.Assert(t, cli.OutBuffer().String(), "config-list-sort.golden")
}
func TestConfigListWithQuietOption(t *testing.T) {
cli := test.NewFakeCli(&fakeClient{
configListFunc: func(options types.ConfigListOptions) ([]swarm.Config, error) {
return []swarm.Config{
*Config(ConfigID("ID-foo"), ConfigName("foo")),
*Config(ConfigID("ID-bar"), ConfigName("bar"), ConfigLabels(map[string]string{
"label": "label-bar",
})),
}, nil
},
})
cmd := newConfigListCommand(cli)
cmd.Flags().Set("quiet", "true")
assert.NilError(t, cmd.Execute())
golden.Assert(t, cli.OutBuffer().String(), "config-list-with-quiet-option.golden")
}
func TestConfigListWithConfigFormat(t *testing.T) {
cli := test.NewFakeCli(&fakeClient{
configListFunc: func(options types.ConfigListOptions) ([]swarm.Config, error) {
return []swarm.Config{
*Config(ConfigID("ID-foo"), ConfigName("foo")),
*Config(ConfigID("ID-bar"), ConfigName("bar"), ConfigLabels(map[string]string{
"label": "label-bar",
})),
}, nil
},
})
cli.SetConfigFile(&configfile.ConfigFile{
ConfigFormat: "{{ .Name }} {{ .Labels }}",
})
cmd := newConfigListCommand(cli)
assert.NilError(t, cmd.Execute())
golden.Assert(t, cli.OutBuffer().String(), "config-list-with-config-format.golden")
}
func TestConfigListWithFormat(t *testing.T) {
cli := test.NewFakeCli(&fakeClient{
configListFunc: func(options types.ConfigListOptions) ([]swarm.Config, error) {
return []swarm.Config{
*Config(ConfigID("ID-foo"), ConfigName("foo")),
*Config(ConfigID("ID-bar"), ConfigName("bar"), ConfigLabels(map[string]string{
"label": "label-bar",
})),
}, nil
},
})
cmd := newConfigListCommand(cli)
cmd.Flags().Set("format", "{{ .Name }} {{ .Labels }}")
assert.NilError(t, cmd.Execute())
golden.Assert(t, cli.OutBuffer().String(), "config-list-with-format.golden")
}
func TestConfigListWithFilter(t *testing.T) {
cli := test.NewFakeCli(&fakeClient{
configListFunc: func(options types.ConfigListOptions) ([]swarm.Config, error) {
assert.Check(t, is.Equal("foo", options.Filters.Get("name")[0]))
assert.Check(t, is.Equal("lbl1=Label-bar", options.Filters.Get("label")[0]))
return []swarm.Config{
*Config(ConfigID("ID-foo"),
ConfigName("foo"),
ConfigVersion(swarm.Version{Index: 10}),
ConfigCreatedAt(time.Now().Add(-2*time.Hour)),
ConfigUpdatedAt(time.Now().Add(-1*time.Hour)),
),
*Config(ConfigID("ID-bar"),
ConfigName("bar"),
ConfigVersion(swarm.Version{Index: 11}),
ConfigCreatedAt(time.Now().Add(-2*time.Hour)),
ConfigUpdatedAt(time.Now().Add(-1*time.Hour)),
),
}, nil
},
})
cmd := newConfigListCommand(cli)
cmd.Flags().Set("filter", "name=foo")
cmd.Flags().Set("filter", "label=lbl1=Label-bar")
assert.NilError(t, cmd.Execute())
golden.Assert(t, cli.OutBuffer().String(), "config-list-with-filter.golden")
}

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package config
import (
"context"
"fmt"
"strings"
"github.com/docker/cli/cli"
"github.com/docker/cli/cli/command"
"github.com/pkg/errors"
"github.com/spf13/cobra"
)
// RemoveOptions contains options for the docker config rm command.
type RemoveOptions struct {
Names []string
}
func newConfigRemoveCommand(dockerCli command.Cli) *cobra.Command {
return &cobra.Command{
Use: "rm CONFIG [CONFIG...]",
Aliases: []string{"remove"},
Short: "Remove one or more configs",
Args: cli.RequiresMinArgs(1),
RunE: func(cmd *cobra.Command, args []string) error {
opts := RemoveOptions{
Names: args,
}
return RunConfigRemove(dockerCli, opts)
},
}
}
// RunConfigRemove removes the given Swarm configs.
func RunConfigRemove(dockerCli command.Cli, opts RemoveOptions) error {
client := dockerCli.Client()
ctx := context.Background()
var errs []string
for _, name := range opts.Names {
if err := client.ConfigRemove(ctx, name); err != nil {
errs = append(errs, err.Error())
continue
}
fmt.Fprintln(dockerCli.Out(), name)
}
if len(errs) > 0 {
return errors.Errorf("%s", strings.Join(errs, "\n"))
}
return nil
}

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package config
import (
"io/ioutil"
"strings"
"testing"
"github.com/docker/cli/internal/test"
"github.com/pkg/errors"
"gotest.tools/v3/assert"
is "gotest.tools/v3/assert/cmp"
)
func TestConfigRemoveErrors(t *testing.T) {
testCases := []struct {
args []string
configRemoveFunc func(string) error
expectedError string
}{
{
args: []string{},
expectedError: "requires at least 1 argument.",
},
{
args: []string{"foo"},
configRemoveFunc: func(name string) error {
return errors.Errorf("error removing config")
},
expectedError: "error removing config",
},
}
for _, tc := range testCases {
cmd := newConfigRemoveCommand(
test.NewFakeCli(&fakeClient{
configRemoveFunc: tc.configRemoveFunc,
}),
)
cmd.SetArgs(tc.args)
cmd.SetOut(ioutil.Discard)
assert.ErrorContains(t, cmd.Execute(), tc.expectedError)
}
}
func TestConfigRemoveWithName(t *testing.T) {
names := []string{"foo", "bar"}
var removedConfigs []string
cli := test.NewFakeCli(&fakeClient{
configRemoveFunc: func(name string) error {
removedConfigs = append(removedConfigs, name)
return nil
},
})
cmd := newConfigRemoveCommand(cli)
cmd.SetArgs(names)
assert.NilError(t, cmd.Execute())
assert.Check(t, is.DeepEqual(names, strings.Split(strings.TrimSpace(cli.OutBuffer().String()), "\n")))
assert.Check(t, is.DeepEqual(names, removedConfigs))
}
func TestConfigRemoveContinueAfterError(t *testing.T) {
names := []string{"foo", "bar"}
var removedConfigs []string
cli := test.NewFakeCli(&fakeClient{
configRemoveFunc: func(name string) error {
removedConfigs = append(removedConfigs, name)
if name == "foo" {
return errors.Errorf("error removing config: %s", name)
}
return nil
},
})
cmd := newConfigRemoveCommand(cli)
cmd.SetArgs(names)
cmd.SetOut(ioutil.Discard)
assert.Error(t, cmd.Execute(), "error removing config: foo")
assert.Check(t, is.DeepEqual(names, removedConfigs))
}

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config_foo_bar

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ID: configID
Name: configName
Labels:
- lbl1=value1
Created at: 0001-01-01 00:00:00 +0000 utc
Updated at: 0001-01-01 00:00:00 +0000 utc
Data:
payload here

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@ -0,0 +1 @@
{"label1":"label-foo"}

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[
{
"ID": "ID-foo",
"Version": {},
"CreatedAt": "0001-01-01T00:00:00Z",
"UpdatedAt": "0001-01-01T00:00:00Z",
"Spec": {
"Name": "foo",
"Labels": {
"label1": "label-foo"
}
}
},
{
"ID": "ID-bar",
"Version": {},
"CreatedAt": "0001-01-01T00:00:00Z",
"UpdatedAt": "0001-01-01T00:00:00Z",
"Spec": {
"Name": "bar",
"Labels": {
"label1": "label-foo"
}
}
}
]

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[
{
"ID": "ID-foo",
"Version": {},
"CreatedAt": "0001-01-01T00:00:00Z",
"UpdatedAt": "0001-01-01T00:00:00Z",
"Spec": {
"Name": "foo",
"Labels": null
}
}
]

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ID NAME CREATED UPDATED
ID-1-foo 1-foo 2 hours ago About an hour ago
ID-2-foo 2-foo 2 hours ago About an hour ago
ID-10-foo 10-foo 2 hours ago About an hour ago

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@ -0,0 +1,2 @@
bar label=label-bar
foo

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@ -0,0 +1,3 @@
ID NAME CREATED UPDATED
ID-bar bar 2 hours ago About an hour ago
ID-foo foo 2 hours ago About an hour ago

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@ -0,0 +1,2 @@
bar label=label-bar
foo

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@ -0,0 +1,2 @@
ID-bar
ID-foo

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package container
import (
"context"
"fmt"
"io"
"github.com/docker/cli/cli"
"github.com/docker/cli/cli/command"
"github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/container"
"github.com/docker/docker/client"
"github.com/docker/docker/pkg/signal"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
"github.com/spf13/cobra"
)
type attachOptions struct {
noStdin bool
proxy bool
detachKeys string
container string
}
func inspectContainerAndCheckState(ctx context.Context, cli client.APIClient, args string) (*types.ContainerJSON, error) {
c, err := cli.ContainerInspect(ctx, args)
if err != nil {
return nil, err
}
if !c.State.Running {
return nil, errors.New("You cannot attach to a stopped container, start it first")
}
if c.State.Paused {
return nil, errors.New("You cannot attach to a paused container, unpause it first")
}
if c.State.Restarting {
return nil, errors.New("You cannot attach to a restarting container, wait until it is running")
}
return &c, nil
}
// NewAttachCommand creates a new cobra.Command for `docker attach`
func NewAttachCommand(dockerCli command.Cli) *cobra.Command {
var opts attachOptions
cmd := &cobra.Command{
Use: "attach [OPTIONS] CONTAINER",
Short: "Attach local standard input, output, and error streams to a running container",
Args: cli.ExactArgs(1),
RunE: func(cmd *cobra.Command, args []string) error {
opts.container = args[0]
return runAttach(dockerCli, &opts)
},
}
flags := cmd.Flags()
flags.BoolVar(&opts.noStdin, "no-stdin", false, "Do not attach STDIN")
flags.BoolVar(&opts.proxy, "sig-proxy", true, "Proxy all received signals to the process")
flags.StringVar(&opts.detachKeys, "detach-keys", "", "Override the key sequence for detaching a container")
return cmd
}
func runAttach(dockerCli command.Cli, opts *attachOptions) error {
ctx := context.Background()
client := dockerCli.Client()
// request channel to wait for client
resultC, errC := client.ContainerWait(ctx, opts.container, "")
c, err := inspectContainerAndCheckState(ctx, client, opts.container)
if err != nil {
return err
}
if err := dockerCli.In().CheckTty(!opts.noStdin, c.Config.Tty); err != nil {
return err
}
if opts.detachKeys != "" {
dockerCli.ConfigFile().DetachKeys = opts.detachKeys
}
options := types.ContainerAttachOptions{
Stream: true,
Stdin: !opts.noStdin && c.Config.OpenStdin,
Stdout: true,
Stderr: true,
DetachKeys: dockerCli.ConfigFile().DetachKeys,
}
var in io.ReadCloser
if options.Stdin {
in = dockerCli.In()
}
if opts.proxy && !c.Config.Tty {
sigc := notfiyAllSignals()
go ForwardAllSignals(ctx, dockerCli, opts.container, sigc)
defer signal.StopCatch(sigc)
}
resp, errAttach := client.ContainerAttach(ctx, opts.container, options)
if errAttach != nil {
return errAttach
}
defer resp.Close()
// If use docker attach command to attach to a stop container, it will return
// "You cannot attach to a stopped container" error, it's ok, but when
// attach to a running container, it(docker attach) use inspect to check
// the container's state, if it pass the state check on the client side,
// and then the container is stopped, docker attach command still attach to
// the container and not exit.
//
// Recheck the container's state to avoid attach block.
_, err = inspectContainerAndCheckState(ctx, client, opts.container)
if err != nil {
return err
}
if c.Config.Tty && dockerCli.Out().IsTerminal() {
resizeTTY(ctx, dockerCli, opts.container)
}
streamer := hijackedIOStreamer{
streams: dockerCli,
inputStream: in,
outputStream: dockerCli.Out(),
errorStream: dockerCli.Err(),
resp: resp,
tty: c.Config.Tty,
detachKeys: options.DetachKeys,
}
if err := streamer.stream(ctx); err != nil {
return err
}
return getExitStatus(errC, resultC)
}
func getExitStatus(errC <-chan error, resultC <-chan container.ContainerWaitOKBody) error {
select {
case result := <-resultC:
if result.Error != nil {
return fmt.Errorf(result.Error.Message)
}
if result.StatusCode != 0 {
return cli.StatusError{StatusCode: int(result.StatusCode)}
}
case err := <-errC:
return err
}
return nil
}
func resizeTTY(ctx context.Context, dockerCli command.Cli, containerID string) {
height, width := dockerCli.Out().GetTtySize()
// To handle the case where a user repeatedly attaches/detaches without resizing their
// terminal, the only way to get the shell prompt to display for attaches 2+ is to artificially
// resize it, then go back to normal. Without this, every attach after the first will
// require the user to manually resize or hit enter.
resizeTtyTo(ctx, dockerCli.Client(), containerID, height+1, width+1, false)
// After the above resizing occurs, the call to MonitorTtySize below will handle resetting back
// to the actual size.
if err := MonitorTtySize(ctx, dockerCli, containerID, false); err != nil {
logrus.Debugf("Error monitoring TTY size: %s", err)
}
}

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package container
import (
"fmt"
"io/ioutil"
"testing"
"github.com/docker/cli/cli"
"github.com/docker/cli/internal/test"
"github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/container"
"github.com/pkg/errors"
"gotest.tools/v3/assert"
)
func TestNewAttachCommandErrors(t *testing.T) {
testCases := []struct {
name string
args []string
expectedError string
containerInspectFunc func(img string) (types.ContainerJSON, error)
}{
{
name: "client-error",
args: []string{"5cb5bb5e4a3b"},
expectedError: "something went wrong",
containerInspectFunc: func(containerID string) (types.ContainerJSON, error) {
return types.ContainerJSON{}, errors.Errorf("something went wrong")
},
},
{
name: "client-stopped",
args: []string{"5cb5bb5e4a3b"},
expectedError: "You cannot attach to a stopped container",
containerInspectFunc: func(containerID string) (types.ContainerJSON, error) {
c := types.ContainerJSON{}
c.ContainerJSONBase = &types.ContainerJSONBase{}
c.ContainerJSONBase.State = &types.ContainerState{Running: false}
return c, nil
},
},
{
name: "client-paused",
args: []string{"5cb5bb5e4a3b"},
expectedError: "You cannot attach to a paused container",
containerInspectFunc: func(containerID string) (types.ContainerJSON, error) {
c := types.ContainerJSON{}
c.ContainerJSONBase = &types.ContainerJSONBase{}
c.ContainerJSONBase.State = &types.ContainerState{
Running: true,
Paused: true,
}
return c, nil
},
},
{
name: "client-restarting",
args: []string{"5cb5bb5e4a3b"},
expectedError: "You cannot attach to a restarting container",
containerInspectFunc: func(containerID string) (types.ContainerJSON, error) {
c := types.ContainerJSON{}
c.ContainerJSONBase = &types.ContainerJSONBase{}
c.ContainerJSONBase.State = &types.ContainerState{
Running: true,
Paused: false,
Restarting: true,
}
return c, nil
},
},
}
for _, tc := range testCases {
cmd := NewAttachCommand(test.NewFakeCli(&fakeClient{inspectFunc: tc.containerInspectFunc}))
cmd.SetOut(ioutil.Discard)
cmd.SetArgs(tc.args)
assert.ErrorContains(t, cmd.Execute(), tc.expectedError)
}
}
func TestGetExitStatus(t *testing.T) {
var (
expectedErr = fmt.Errorf("unexpected error")
errC = make(chan error, 1)
resultC = make(chan container.ContainerWaitOKBody, 1)
)
testcases := []struct {
result *container.ContainerWaitOKBody
err error
expectedError error
}{
{
result: &container.ContainerWaitOKBody{
StatusCode: 0,
},
},
{
err: expectedErr,
expectedError: expectedErr,
},
{
result: &container.ContainerWaitOKBody{
Error: &container.ContainerWaitOKBodyError{Message: expectedErr.Error()},
},
expectedError: expectedErr,
},
{
result: &container.ContainerWaitOKBody{
StatusCode: 15,
},
expectedError: cli.StatusError{StatusCode: 15},
},
}
for _, testcase := range testcases {
if testcase.err != nil {
errC <- testcase.err
}
if testcase.result != nil {
resultC <- *testcase.result
}
err := getExitStatus(errC, resultC)
if testcase.expectedError == nil {
assert.NilError(t, err)
} else {
assert.Error(t, err, testcase.expectedError.Error())
}
}
}

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package container
import (
"context"
"io"
"github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/container"
"github.com/docker/docker/api/types/network"
"github.com/docker/docker/client"
specs "github.com/opencontainers/image-spec/specs-go/v1"
)
type fakeClient struct {
client.Client
inspectFunc func(string) (types.ContainerJSON, error)
execInspectFunc func(execID string) (types.ContainerExecInspect, error)
execCreateFunc func(container string, config types.ExecConfig) (types.IDResponse, error)
createContainerFunc func(config *container.Config,
hostConfig *container.HostConfig,
networkingConfig *network.NetworkingConfig,
platform *specs.Platform,
containerName string) (container.ContainerCreateCreatedBody, error)
containerStartFunc func(container string, options types.ContainerStartOptions) error
imageCreateFunc func(parentReference string, options types.ImageCreateOptions) (io.ReadCloser, error)
infoFunc func() (types.Info, error)
containerStatPathFunc func(container, path string) (types.ContainerPathStat, error)
containerCopyFromFunc func(container, srcPath string) (io.ReadCloser, types.ContainerPathStat, error)
logFunc func(string, types.ContainerLogsOptions) (io.ReadCloser, error)
waitFunc func(string) (<-chan container.ContainerWaitOKBody, <-chan error)
containerListFunc func(types.ContainerListOptions) ([]types.Container, error)
containerExportFunc func(string) (io.ReadCloser, error)
containerExecResizeFunc func(id string, options types.ResizeOptions) error
containerRemoveFunc func(ctx context.Context, container string, options types.ContainerRemoveOptions) error
containerKillFunc func(ctx context.Context, container, signal string) error
Version string
}
func (f *fakeClient) ContainerList(_ context.Context, options types.ContainerListOptions) ([]types.Container, error) {
if f.containerListFunc != nil {
return f.containerListFunc(options)
}
return []types.Container{}, nil
}
func (f *fakeClient) ContainerInspect(_ context.Context, containerID string) (types.ContainerJSON, error) {
if f.inspectFunc != nil {
return f.inspectFunc(containerID)
}
return types.ContainerJSON{}, nil
}
func (f *fakeClient) ContainerExecCreate(_ context.Context, container string, config types.ExecConfig) (types.IDResponse, error) {
if f.execCreateFunc != nil {
return f.execCreateFunc(container, config)
}
return types.IDResponse{}, nil
}
func (f *fakeClient) ContainerExecInspect(_ context.Context, execID string) (types.ContainerExecInspect, error) {
if f.execInspectFunc != nil {
return f.execInspectFunc(execID)
}
return types.ContainerExecInspect{}, nil
}
func (f *fakeClient) ContainerExecStart(ctx context.Context, execID string, config types.ExecStartCheck) error {
return nil
}
func (f *fakeClient) ContainerCreate(
_ context.Context,
config *container.Config,
hostConfig *container.HostConfig,
networkingConfig *network.NetworkingConfig,
platform *specs.Platform,
containerName string,
) (container.ContainerCreateCreatedBody, error) {
if f.createContainerFunc != nil {
return f.createContainerFunc(config, hostConfig, networkingConfig, platform, containerName)
}
return container.ContainerCreateCreatedBody{}, nil
}
func (f *fakeClient) ContainerRemove(ctx context.Context, container string, options types.ContainerRemoveOptions) error {
if f.containerRemoveFunc != nil {
return f.containerRemoveFunc(ctx, container, options)
}
return nil
}
func (f *fakeClient) ImageCreate(ctx context.Context, parentReference string, options types.ImageCreateOptions) (io.ReadCloser, error) {
if f.imageCreateFunc != nil {
return f.imageCreateFunc(parentReference, options)
}
return nil, nil
}
func (f *fakeClient) Info(_ context.Context) (types.Info, error) {
if f.infoFunc != nil {
return f.infoFunc()
}
return types.Info{}, nil
}
func (f *fakeClient) ContainerStatPath(_ context.Context, container, path string) (types.ContainerPathStat, error) {
if f.containerStatPathFunc != nil {
return f.containerStatPathFunc(container, path)
}
return types.ContainerPathStat{}, nil
}
func (f *fakeClient) CopyFromContainer(_ context.Context, container, srcPath string) (io.ReadCloser, types.ContainerPathStat, error) {
if f.containerCopyFromFunc != nil {
return f.containerCopyFromFunc(container, srcPath)
}
return nil, types.ContainerPathStat{}, nil
}
func (f *fakeClient) ContainerLogs(_ context.Context, container string, options types.ContainerLogsOptions) (io.ReadCloser, error) {
if f.logFunc != nil {
return f.logFunc(container, options)
}
return nil, nil
}
func (f *fakeClient) ClientVersion() string {
return f.Version
}
func (f *fakeClient) ContainerWait(_ context.Context, container string, _ container.WaitCondition) (<-chan container.ContainerWaitOKBody, <-chan error) {
if f.waitFunc != nil {
return f.waitFunc(container)
}
return nil, nil
}
func (f *fakeClient) ContainerStart(_ context.Context, container string, options types.ContainerStartOptions) error {
if f.containerStartFunc != nil {
return f.containerStartFunc(container, options)
}
return nil
}
func (f *fakeClient) ContainerExport(_ context.Context, container string) (io.ReadCloser, error) {
if f.containerExportFunc != nil {
return f.containerExportFunc(container)
}
return nil, nil
}
func (f *fakeClient) ContainerExecResize(_ context.Context, id string, options types.ResizeOptions) error {
if f.containerExecResizeFunc != nil {
return f.containerExecResizeFunc(id, options)
}
return nil
}
func (f *fakeClient) ContainerKill(ctx context.Context, container, signal string) error {
if f.containerKillFunc != nil {
return f.containerKillFunc(ctx, container, signal)
}
return nil
}

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package container
import (
"github.com/docker/cli/cli"
"github.com/docker/cli/cli/command"
"github.com/spf13/cobra"
)
// NewContainerCommand returns a cobra command for `container` subcommands
func NewContainerCommand(dockerCli command.Cli) *cobra.Command {
cmd := &cobra.Command{
Use: "container",
Short: "Manage containers",
Args: cli.NoArgs,
RunE: command.ShowHelp(dockerCli.Err()),
}
cmd.AddCommand(
NewAttachCommand(dockerCli),
NewCommitCommand(dockerCli),
NewCopyCommand(dockerCli),
NewCreateCommand(dockerCli),
NewDiffCommand(dockerCli),
NewExecCommand(dockerCli),
NewExportCommand(dockerCli),
NewKillCommand(dockerCli),
NewLogsCommand(dockerCli),
NewPauseCommand(dockerCli),
NewPortCommand(dockerCli),
NewRenameCommand(dockerCli),
NewRestartCommand(dockerCli),
NewRmCommand(dockerCli),
NewRunCommand(dockerCli),
NewStartCommand(dockerCli),
NewStatsCommand(dockerCli),
NewStopCommand(dockerCli),
NewTopCommand(dockerCli),
NewUnpauseCommand(dockerCli),
NewUpdateCommand(dockerCli),
NewWaitCommand(dockerCli),
newListCommand(dockerCli),
newInspectCommand(dockerCli),
NewPruneCommand(dockerCli),
)
return cmd
}

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package container
import (
"context"
"fmt"
"github.com/docker/cli/cli"
"github.com/docker/cli/cli/command"
"github.com/docker/cli/opts"
"github.com/docker/docker/api/types"
"github.com/spf13/cobra"
)
type commitOptions struct {
container string
reference string
pause bool
comment string
author string
changes opts.ListOpts
}
// NewCommitCommand creates a new cobra.Command for `docker commit`
func NewCommitCommand(dockerCli command.Cli) *cobra.Command {
var options commitOptions
cmd := &cobra.Command{
Use: "commit [OPTIONS] CONTAINER [REPOSITORY[:TAG]]",
Short: "Create a new image from a container's changes",
Args: cli.RequiresRangeArgs(1, 2),
RunE: func(cmd *cobra.Command, args []string) error {
options.container = args[0]
if len(args) > 1 {
options.reference = args[1]
}
return runCommit(dockerCli, &options)
},
}
flags := cmd.Flags()
flags.SetInterspersed(false)
flags.BoolVarP(&options.pause, "pause", "p", true, "Pause container during commit")
flags.StringVarP(&options.comment, "message", "m", "", "Commit message")
flags.StringVarP(&options.author, "author", "a", "", "Author (e.g., \"John Hannibal Smith <hannibal@a-team.com>\")")
options.changes = opts.NewListOpts(nil)
flags.VarP(&options.changes, "change", "c", "Apply Dockerfile instruction to the created image")
return cmd
}
func runCommit(dockerCli command.Cli, options *commitOptions) error {
ctx := context.Background()
name := options.container
reference := options.reference
commitOptions := types.ContainerCommitOptions{
Reference: reference,
Comment: options.comment,
Author: options.author,
Changes: options.changes.GetAll(),
Pause: options.pause,
}
response, err := dockerCli.Client().ContainerCommit(ctx, name, commitOptions)
if err != nil {
return err
}
fmt.Fprintln(dockerCli.Out(), response.ID)
return nil
}

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package container
import (
"context"
"io"
"os"
"path/filepath"
"strings"
"github.com/docker/cli/cli"
"github.com/docker/cli/cli/command"
"github.com/docker/docker/api/types"
"github.com/docker/docker/pkg/archive"
"github.com/docker/docker/pkg/system"
"github.com/pkg/errors"
"github.com/spf13/cobra"
)
type copyOptions struct {
source string
destination string
followLink bool
copyUIDGID bool
}
type copyDirection int
const (
fromContainer copyDirection = 1 << iota
toContainer
acrossContainers = fromContainer | toContainer
)
type cpConfig struct {
followLink bool
copyUIDGID bool
sourcePath string
destPath string
container string
}
// NewCopyCommand creates a new `docker cp` command
func NewCopyCommand(dockerCli command.Cli) *cobra.Command {
var opts copyOptions
cmd := &cobra.Command{
Use: `cp [OPTIONS] CONTAINER:SRC_PATH DEST_PATH|-
docker cp [OPTIONS] SRC_PATH|- CONTAINER:DEST_PATH`,
Short: "Copy files/folders between a container and the local filesystem",
Long: strings.Join([]string{
"Copy files/folders between a container and the local filesystem\n",
"\nUse '-' as the source to read a tar archive from stdin\n",
"and extract it to a directory destination in a container.\n",
"Use '-' as the destination to stream a tar archive of a\n",
"container source to stdout.",
}, ""),
Args: cli.ExactArgs(2),
RunE: func(cmd *cobra.Command, args []string) error {
if args[0] == "" {
return errors.New("source can not be empty")
}
if args[1] == "" {
return errors.New("destination can not be empty")
}
opts.source = args[0]
opts.destination = args[1]
return runCopy(dockerCli, opts)
},
}
flags := cmd.Flags()
flags.BoolVarP(&opts.followLink, "follow-link", "L", false, "Always follow symbol link in SRC_PATH")
flags.BoolVarP(&opts.copyUIDGID, "archive", "a", false, "Archive mode (copy all uid/gid information)")
return cmd
}
func runCopy(dockerCli command.Cli, opts copyOptions) error {
srcContainer, srcPath := splitCpArg(opts.source)
destContainer, destPath := splitCpArg(opts.destination)
copyConfig := cpConfig{
followLink: opts.followLink,
copyUIDGID: opts.copyUIDGID,
sourcePath: srcPath,
destPath: destPath,
}
var direction copyDirection
if srcContainer != "" {
direction |= fromContainer
copyConfig.container = srcContainer
}
if destContainer != "" {
direction |= toContainer
copyConfig.container = destContainer
}
ctx := context.Background()
switch direction {
case fromContainer:
return copyFromContainer(ctx, dockerCli, copyConfig)
case toContainer:
return copyToContainer(ctx, dockerCli, copyConfig)
case acrossContainers:
return errors.New("copying between containers is not supported")
default:
return errors.New("must specify at least one container source")
}
}
func resolveLocalPath(localPath string) (absPath string, err error) {
if absPath, err = filepath.Abs(localPath); err != nil {
return
}
return archive.PreserveTrailingDotOrSeparator(absPath, localPath, filepath.Separator), nil
}
func copyFromContainer(ctx context.Context, dockerCli command.Cli, copyConfig cpConfig) (err error) {
dstPath := copyConfig.destPath
srcPath := copyConfig.sourcePath
if dstPath != "-" {
// Get an absolute destination path.
dstPath, err = resolveLocalPath(dstPath)
if err != nil {
return err
}
}
if err := command.ValidateOutputPath(dstPath); err != nil {
return err
}
client := dockerCli.Client()
// if client requests to follow symbol link, then must decide target file to be copied
var rebaseName string
if copyConfig.followLink {
srcStat, err := client.ContainerStatPath(ctx, copyConfig.container, srcPath)
// If the destination is a symbolic link, we should follow it.
if err == nil && srcStat.Mode&os.ModeSymlink != 0 {
linkTarget := srcStat.LinkTarget
if !system.IsAbs(linkTarget) {
// Join with the parent directory.
srcParent, _ := archive.SplitPathDirEntry(srcPath)
linkTarget = filepath.Join(srcParent, linkTarget)
}
linkTarget, rebaseName = archive.GetRebaseName(srcPath, linkTarget)
srcPath = linkTarget
}
}
content, stat, err := client.CopyFromContainer(ctx, copyConfig.container, srcPath)
if err != nil {
return err
}
defer content.Close()
if dstPath == "-" {
_, err = io.Copy(dockerCli.Out(), content)
return err
}
srcInfo := archive.CopyInfo{
Path: srcPath,
Exists: true,
IsDir: stat.Mode.IsDir(),
RebaseName: rebaseName,
}
preArchive := content
if len(srcInfo.RebaseName) != 0 {
_, srcBase := archive.SplitPathDirEntry(srcInfo.Path)
preArchive = archive.RebaseArchiveEntries(content, srcBase, srcInfo.RebaseName)
}
return archive.CopyTo(preArchive, srcInfo, dstPath)
}
// In order to get the copy behavior right, we need to know information
// about both the source and destination. The API is a simple tar
// archive/extract API but we can use the stat info header about the
// destination to be more informed about exactly what the destination is.
func copyToContainer(ctx context.Context, dockerCli command.Cli, copyConfig cpConfig) (err error) {
srcPath := copyConfig.sourcePath
dstPath := copyConfig.destPath
if srcPath != "-" {
// Get an absolute source path.
srcPath, err = resolveLocalPath(srcPath)
if err != nil {
return err
}
}
client := dockerCli.Client()
// Prepare destination copy info by stat-ing the container path.
dstInfo := archive.CopyInfo{Path: dstPath}
dstStat, err := client.ContainerStatPath(ctx, copyConfig.container, dstPath)
// If the destination is a symbolic link, we should evaluate it.
if err == nil && dstStat.Mode&os.ModeSymlink != 0 {
linkTarget := dstStat.LinkTarget
if !system.IsAbs(linkTarget) {
// Join with the parent directory.
dstParent, _ := archive.SplitPathDirEntry(dstPath)
linkTarget = filepath.Join(dstParent, linkTarget)
}
dstInfo.Path = linkTarget
dstStat, err = client.ContainerStatPath(ctx, copyConfig.container, linkTarget)
}
// Validate the destination path
if err := command.ValidateOutputPathFileMode(dstStat.Mode); err != nil {
return errors.Wrapf(err, `destination "%s:%s" must be a directory or a regular file`, copyConfig.container, dstPath)
}
// Ignore any error and assume that the parent directory of the destination
// path exists, in which case the copy may still succeed. If there is any
// type of conflict (e.g., non-directory overwriting an existing directory
// or vice versa) the extraction will fail. If the destination simply did
// not exist, but the parent directory does, the extraction will still
// succeed.
if err == nil {
dstInfo.Exists, dstInfo.IsDir = true, dstStat.Mode.IsDir()
}
var (
content io.Reader
resolvedDstPath string
)
if srcPath == "-" {
content = os.Stdin
resolvedDstPath = dstInfo.Path
if !dstInfo.IsDir {
return errors.Errorf("destination \"%s:%s\" must be a directory", copyConfig.container, dstPath)
}
} else {
// Prepare source copy info.
srcInfo, err := archive.CopyInfoSourcePath(srcPath, copyConfig.followLink)
if err != nil {
return err
}
srcArchive, err := archive.TarResource(srcInfo)
if err != nil {
return err
}
defer srcArchive.Close()
// With the stat info about the local source as well as the
// destination, we have enough information to know whether we need to
// alter the archive that we upload so that when the server extracts
// it to the specified directory in the container we get the desired
// copy behavior.
// See comments in the implementation of `archive.PrepareArchiveCopy`
// for exactly what goes into deciding how and whether the source
// archive needs to be altered for the correct copy behavior when it is
// extracted. This function also infers from the source and destination
// info which directory to extract to, which may be the parent of the
// destination that the user specified.
dstDir, preparedArchive, err := archive.PrepareArchiveCopy(srcArchive, srcInfo, dstInfo)
if err != nil {
return err
}
defer preparedArchive.Close()
resolvedDstPath = dstDir
content = preparedArchive
}
options := types.CopyToContainerOptions{
AllowOverwriteDirWithFile: false,
CopyUIDGID: copyConfig.copyUIDGID,
}
return client.CopyToContainer(ctx, copyConfig.container, resolvedDstPath, content, options)
}
// We use `:` as a delimiter between CONTAINER and PATH, but `:` could also be
// in a valid LOCALPATH, like `file:name.txt`. We can resolve this ambiguity by
// requiring a LOCALPATH with a `:` to be made explicit with a relative or
// absolute path:
// `/path/to/file:name.txt` or `./file:name.txt`
//
// This is apparently how `scp` handles this as well:
// http://www.cyberciti.biz/faq/rsync-scp-file-name-with-colon-punctuation-in-it/
//
// We can't simply check for a filepath separator because container names may
// have a separator, e.g., "host0/cname1" if container is in a Docker cluster,
// so we have to check for a `/` or `.` prefix. Also, in the case of a Windows
// client, a `:` could be part of an absolute Windows path, in which case it
// is immediately proceeded by a backslash.
func splitCpArg(arg string) (container, path string) {
if system.IsAbs(arg) {
// Explicit local absolute path, e.g., `C:\foo` or `/foo`.
return "", arg
}
parts := strings.SplitN(arg, ":", 2)
if len(parts) == 1 || strings.HasPrefix(parts[0], ".") {
// Either there's no `:` in the arg
// OR it's an explicit local relative path like `./file:name.txt`.
return "", arg
}
return parts[0], parts[1]
}

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package container
import (
"io"
"io/ioutil"
"os"
"runtime"
"strings"
"testing"
"github.com/docker/cli/internal/test"
"github.com/docker/docker/api/types"
"github.com/docker/docker/pkg/archive"
"gotest.tools/v3/assert"
is "gotest.tools/v3/assert/cmp"
"gotest.tools/v3/fs"
"gotest.tools/v3/skip"
)
func TestRunCopyWithInvalidArguments(t *testing.T) {
var testcases = []struct {
doc string
options copyOptions
expectedErr string
}{
{
doc: "copy between container",
options: copyOptions{
source: "first:/path",
destination: "second:/path",
},
expectedErr: "copying between containers is not supported",
},
{
doc: "copy without a container",
options: copyOptions{
source: "./source",
destination: "./dest",
},
expectedErr: "must specify at least one container source",
},
}
for _, testcase := range testcases {
t.Run(testcase.doc, func(t *testing.T) {
err := runCopy(test.NewFakeCli(nil), testcase.options)
assert.Error(t, err, testcase.expectedErr)
})
}
}
func TestRunCopyFromContainerToStdout(t *testing.T) {
tarContent := "the tar content"
fakeClient := &fakeClient{
containerCopyFromFunc: func(container, srcPath string) (io.ReadCloser, types.ContainerPathStat, error) {
assert.Check(t, is.Equal("container", container))
return ioutil.NopCloser(strings.NewReader(tarContent)), types.ContainerPathStat{}, nil
},
}
options := copyOptions{source: "container:/path", destination: "-"}
cli := test.NewFakeCli(fakeClient)
err := runCopy(cli, options)
assert.NilError(t, err)
assert.Check(t, is.Equal(tarContent, cli.OutBuffer().String()))
assert.Check(t, is.Equal("", cli.ErrBuffer().String()))
}
func TestRunCopyFromContainerToFilesystem(t *testing.T) {
destDir := fs.NewDir(t, "cp-test",
fs.WithFile("file1", "content\n"))
defer destDir.Remove()
fakeClient := &fakeClient{
containerCopyFromFunc: func(container, srcPath string) (io.ReadCloser, types.ContainerPathStat, error) {
assert.Check(t, is.Equal("container", container))
readCloser, err := archive.TarWithOptions(destDir.Path(), &archive.TarOptions{})
return readCloser, types.ContainerPathStat{}, err
},
}
options := copyOptions{source: "container:/path", destination: destDir.Path()}
cli := test.NewFakeCli(fakeClient)
err := runCopy(cli, options)
assert.NilError(t, err)
assert.Check(t, is.Equal("", cli.OutBuffer().String()))
assert.Check(t, is.Equal("", cli.ErrBuffer().String()))
content, err := ioutil.ReadFile(destDir.Join("file1"))
assert.NilError(t, err)
assert.Check(t, is.Equal("content\n", string(content)))
}
func TestRunCopyFromContainerToFilesystemMissingDestinationDirectory(t *testing.T) {
destDir := fs.NewDir(t, "cp-test",
fs.WithFile("file1", "content\n"))
defer destDir.Remove()
fakeClient := &fakeClient{
containerCopyFromFunc: func(container, srcPath string) (io.ReadCloser, types.ContainerPathStat, error) {
assert.Check(t, is.Equal("container", container))
readCloser, err := archive.TarWithOptions(destDir.Path(), &archive.TarOptions{})
return readCloser, types.ContainerPathStat{}, err
},
}
options := copyOptions{
source: "container:/path",
destination: destDir.Join("missing", "foo"),
}
cli := test.NewFakeCli(fakeClient)
err := runCopy(cli, options)
assert.ErrorContains(t, err, destDir.Join("missing"))
}
func TestRunCopyToContainerFromFileWithTrailingSlash(t *testing.T) {
srcFile := fs.NewFile(t, t.Name())
defer srcFile.Remove()
options := copyOptions{
source: srcFile.Path() + string(os.PathSeparator),
destination: "container:/path",
}
cli := test.NewFakeCli(&fakeClient{})
err := runCopy(cli, options)
expectedError := "not a directory"
if runtime.GOOS == "windows" {
expectedError = "The filename, directory name, or volume label syntax is incorrect"
}
assert.ErrorContains(t, err, expectedError)
}
func TestRunCopyToContainerSourceDoesNotExist(t *testing.T) {
options := copyOptions{
source: "/does/not/exist",
destination: "container:/path",
}
cli := test.NewFakeCli(&fakeClient{})
err := runCopy(cli, options)
expected := "no such file or directory"
if runtime.GOOS == "windows" {
expected = "cannot find the file specified"
}
assert.ErrorContains(t, err, expected)
}
func TestSplitCpArg(t *testing.T) {
var testcases = []struct {
doc string
path string
os string
expectedContainer string
expectedPath string
}{
{
doc: "absolute path with colon",
os: "linux",
path: "/abs/path:withcolon",
expectedPath: "/abs/path:withcolon",
},
{
doc: "relative path with colon",
path: "./relative:path",
expectedPath: "./relative:path",
},
{
doc: "absolute path with drive",
os: "windows",
path: `d:\abs\path`,
expectedPath: `d:\abs\path`,
},
{
doc: "no separator",
path: "relative/path",
expectedPath: "relative/path",
},
{
doc: "with separator",
path: "container:/opt/foo",
expectedPath: "/opt/foo",
expectedContainer: "container",
},
}
for _, testcase := range testcases {
t.Run(testcase.doc, func(t *testing.T) {
skip.If(t, testcase.os != "" && testcase.os != runtime.GOOS)
container, path := splitCpArg(testcase.path)
assert.Check(t, is.Equal(testcase.expectedContainer, container))
assert.Check(t, is.Equal(testcase.expectedPath, path))
})
}
}
func TestRunCopyFromContainerToFilesystemIrregularDestination(t *testing.T) {
options := copyOptions{source: "container:/dev/null", destination: "/dev/random"}
cli := test.NewFakeCli(nil)
err := runCopy(cli, options)
assert.Assert(t, err != nil)
expected := `"/dev/random" must be a directory or a regular file`
assert.ErrorContains(t, err, expected)
}

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package container
import (
"context"
"fmt"
"io"
"os"
"regexp"
"github.com/containerd/containerd/platforms"
"github.com/docker/cli/cli"
"github.com/docker/cli/cli/command"
"github.com/docker/cli/cli/command/image"
"github.com/docker/cli/opts"
"github.com/docker/distribution/reference"
"github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/container"
"github.com/docker/docker/api/types/versions"
apiclient "github.com/docker/docker/client"
"github.com/docker/docker/pkg/jsonmessage"
"github.com/docker/docker/registry"
specs "github.com/opencontainers/image-spec/specs-go/v1"
"github.com/pkg/errors"
"github.com/spf13/cobra"
"github.com/spf13/pflag"
)
// Pull constants
const (
PullImageAlways = "always"
PullImageMissing = "missing" // Default (matches previous behavior)
PullImageNever = "never"
)
type createOptions struct {
name string
platform string
untrusted bool
pull string // alway, missing, never
}
// NewCreateCommand creates a new cobra.Command for `docker create`
func NewCreateCommand(dockerCli command.Cli) *cobra.Command {
var opts createOptions
var copts *containerOptions
cmd := &cobra.Command{
Use: "create [OPTIONS] IMAGE [COMMAND] [ARG...]",
Short: "Create a new container",
Args: cli.RequiresMinArgs(1),
RunE: func(cmd *cobra.Command, args []string) error {
copts.Image = args[0]
if len(args) > 1 {
copts.Args = args[1:]
}
return runCreate(dockerCli, cmd.Flags(), &opts, copts)
},
}
flags := cmd.Flags()
flags.SetInterspersed(false)
flags.StringVar(&opts.name, "name", "", "Assign a name to the container")
flags.StringVar(&opts.pull, "pull", PullImageMissing,
`Pull image before creating ("`+PullImageAlways+`"|"`+PullImageMissing+`"|"`+PullImageNever+`")`)
// Add an explicit help that doesn't have a `-h` to prevent the conflict
// with hostname
flags.Bool("help", false, "Print usage")
command.AddPlatformFlag(flags, &opts.platform)
command.AddTrustVerificationFlags(flags, &opts.untrusted, dockerCli.ContentTrustEnabled())
copts = addFlags(flags)
return cmd
}
func runCreate(dockerCli command.Cli, flags *pflag.FlagSet, options *createOptions, copts *containerOptions) error {
proxyConfig := dockerCli.ConfigFile().ParseProxyConfig(dockerCli.Client().DaemonHost(), opts.ConvertKVStringsToMapWithNil(copts.env.GetAll()))
newEnv := []string{}
for k, v := range proxyConfig {
if v == nil {
newEnv = append(newEnv, k)
} else {
newEnv = append(newEnv, fmt.Sprintf("%s=%s", k, *v))
}
}
copts.env = *opts.NewListOptsRef(&newEnv, nil)
containerConfig, err := parse(flags, copts, dockerCli.ServerInfo().OSType)
if err != nil {
reportError(dockerCli.Err(), "create", err.Error(), true)
return cli.StatusError{StatusCode: 125}
}
if err = validateAPIVersion(containerConfig, dockerCli.Client().ClientVersion()); err != nil {
reportError(dockerCli.Err(), "create", err.Error(), true)
return cli.StatusError{StatusCode: 125}
}
response, err := createContainer(context.Background(), dockerCli, containerConfig, options)
if err != nil {
return err
}
fmt.Fprintln(dockerCli.Out(), response.ID)
return nil
}
func pullImage(ctx context.Context, dockerCli command.Cli, image string, platform string, out io.Writer) error {
ref, err := reference.ParseNormalizedNamed(image)
if err != nil {
return err
}
// Resolve the Repository name from fqn to RepositoryInfo
repoInfo, err := registry.ParseRepositoryInfo(ref)
if err != nil {
return err
}
authConfig := command.ResolveAuthConfig(ctx, dockerCli, repoInfo.Index)
encodedAuth, err := command.EncodeAuthToBase64(authConfig)
if err != nil {
return err
}
options := types.ImageCreateOptions{
RegistryAuth: encodedAuth,
Platform: platform,
}
responseBody, err := dockerCli.Client().ImageCreate(ctx, image, options)
if err != nil {
return err
}
defer responseBody.Close()
return jsonmessage.DisplayJSONMessagesStream(
responseBody,
out,
dockerCli.Out().FD(),
dockerCli.Out().IsTerminal(),
nil)
}
type cidFile struct {
path string
file *os.File
written bool
}
func (cid *cidFile) Close() error {
if cid.file == nil {
return nil
}
cid.file.Close()
if cid.written {
return nil
}
if err := os.Remove(cid.path); err != nil {
return errors.Errorf("failed to remove the CID file '%s': %s \n", cid.path, err)
}
return nil
}
func (cid *cidFile) Write(id string) error {
if cid.file == nil {
return nil
}
if _, err := cid.file.Write([]byte(id)); err != nil {
return errors.Errorf("Failed to write the container ID to the file: %s", err)
}
cid.written = true
return nil
}
func newCIDFile(path string) (*cidFile, error) {
if path == "" {
return &cidFile{}, nil
}
if _, err := os.Stat(path); err == nil {
return nil, errors.Errorf("Container ID file found, make sure the other container isn't running or delete %s", path)
}
f, err := os.Create(path)
if err != nil {
return nil, errors.Errorf("Failed to create the container ID file: %s", err)
}
return &cidFile{path: path, file: f}, nil
}
// nolint: gocyclo
func createContainer(ctx context.Context, dockerCli command.Cli, containerConfig *containerConfig, opts *createOptions) (*container.ContainerCreateCreatedBody, error) {
config := containerConfig.Config
hostConfig := containerConfig.HostConfig
networkingConfig := containerConfig.NetworkingConfig
stderr := dockerCli.Err()
warnOnOomKillDisable(*hostConfig, stderr)
warnOnLocalhostDNS(*hostConfig, stderr)
var (
trustedRef reference.Canonical
namedRef reference.Named
)
containerIDFile, err := newCIDFile(hostConfig.ContainerIDFile)
if err != nil {
return nil, err
}
defer containerIDFile.Close()
ref, err := reference.ParseAnyReference(config.Image)
if err != nil {
return nil, err
}
if named, ok := ref.(reference.Named); ok {
namedRef = reference.TagNameOnly(named)
if taggedRef, ok := namedRef.(reference.NamedTagged); ok && !opts.untrusted {
var err error
trustedRef, err = image.TrustedReference(ctx, dockerCli, taggedRef, nil)
if err != nil {
return nil, err
}
config.Image = reference.FamiliarString(trustedRef)
}
}
pullAndTagImage := func() error {
if err := pullImage(ctx, dockerCli, config.Image, opts.platform, stderr); err != nil {
return err
}
if taggedRef, ok := namedRef.(reference.NamedTagged); ok && trustedRef != nil {
return image.TagTrusted(ctx, dockerCli, trustedRef, taggedRef)
}
return nil
}
var platform *specs.Platform
// Engine API version 1.41 first introduced the option to specify platform on
// create. It will produce an error if you try to set a platform on older API
// versions, so check the API version here to maintain backwards
// compatibility for CLI users.
if opts.platform != "" && versions.GreaterThanOrEqualTo(dockerCli.Client().ClientVersion(), "1.41") {
p, err := platforms.Parse(opts.platform)
if err != nil {
return nil, errors.Wrap(err, "error parsing specified platform")
}
platform = &p
}
if opts.pull == PullImageAlways {
if err := pullAndTagImage(); err != nil {
return nil, err
}
}
response, err := dockerCli.Client().ContainerCreate(ctx, config, hostConfig, networkingConfig, platform, opts.name)
if err != nil {
// Pull image if it does not exist locally and we have the PullImageMissing option. Default behavior.
if apiclient.IsErrNotFound(err) && namedRef != nil && opts.pull == PullImageMissing {
// we don't want to write to stdout anything apart from container.ID
fmt.Fprintf(stderr, "Unable to find image '%s' locally\n", reference.FamiliarString(namedRef))
if err := pullAndTagImage(); err != nil {
return nil, err
}
var retryErr error
response, retryErr = dockerCli.Client().ContainerCreate(ctx, config, hostConfig, networkingConfig, platform, opts.name)
if retryErr != nil {
return nil, retryErr
}
} else {
return nil, err
}
}
for _, warning := range response.Warnings {
fmt.Fprintf(stderr, "WARNING: %s\n", warning)
}
err = containerIDFile.Write(response.ID)
return &response, err
}
func warnOnOomKillDisable(hostConfig container.HostConfig, stderr io.Writer) {
if hostConfig.OomKillDisable != nil && *hostConfig.OomKillDisable && hostConfig.Memory == 0 {
fmt.Fprintln(stderr, "WARNING: Disabling the OOM killer on containers without setting a '-m/--memory' limit may be dangerous.")
}
}
// check the DNS settings passed via --dns against localhost regexp to warn if
// they are trying to set a DNS to a localhost address
func warnOnLocalhostDNS(hostConfig container.HostConfig, stderr io.Writer) {
for _, dnsIP := range hostConfig.DNS {
if isLocalhost(dnsIP) {
fmt.Fprintf(stderr, "WARNING: Localhost DNS setting (--dns=%s) may fail in containers.\n", dnsIP)
return
}
}
}
// IPLocalhost is a regex pattern for IPv4 or IPv6 loopback range.
const ipLocalhost = `((127\.([0-9]{1,3}\.){2}[0-9]{1,3})|(::1)$)`
var localhostIPRegexp = regexp.MustCompile(ipLocalhost)
// IsLocalhost returns true if ip matches the localhost IP regular expression.
// Used for determining if nameserver settings are being passed which are
// localhost addresses
func isLocalhost(ip string) bool {
return localhostIPRegexp.MatchString(ip)
}

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package container
import (
"context"
"fmt"
"io"
"io/ioutil"
"os"
"runtime"
"sort"
"strings"
"testing"
"github.com/docker/cli/cli/config/configfile"
"github.com/docker/cli/internal/test"
"github.com/docker/cli/internal/test/notary"
"github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/container"
"github.com/docker/docker/api/types/network"
"github.com/google/go-cmp/cmp"
specs "github.com/opencontainers/image-spec/specs-go/v1"
"gotest.tools/v3/assert"
is "gotest.tools/v3/assert/cmp"
"gotest.tools/v3/fs"
"gotest.tools/v3/golden"
)
func TestCIDFileNoOPWithNoFilename(t *testing.T) {
file, err := newCIDFile("")
assert.NilError(t, err)
assert.DeepEqual(t, &cidFile{}, file, cmp.AllowUnexported(cidFile{}))
assert.NilError(t, file.Write("id"))
assert.NilError(t, file.Close())
}
func TestNewCIDFileWhenFileAlreadyExists(t *testing.T) {
tempfile := fs.NewFile(t, "test-cid-file")
defer tempfile.Remove()
_, err := newCIDFile(tempfile.Path())
assert.ErrorContains(t, err, "Container ID file found")
}
func TestCIDFileCloseWithNoWrite(t *testing.T) {
tempdir := fs.NewDir(t, "test-cid-file")
defer tempdir.Remove()
path := tempdir.Join("cidfile")
file, err := newCIDFile(path)
assert.NilError(t, err)
assert.Check(t, is.Equal(file.path, path))
assert.NilError(t, file.Close())
_, err = os.Stat(path)
assert.Check(t, os.IsNotExist(err))
}
func TestCIDFileCloseWithWrite(t *testing.T) {
tempdir := fs.NewDir(t, "test-cid-file")
defer tempdir.Remove()
path := tempdir.Join("cidfile")
file, err := newCIDFile(path)
assert.NilError(t, err)
content := "id"
assert.NilError(t, file.Write(content))
actual, err := ioutil.ReadFile(path)
assert.NilError(t, err)
assert.Check(t, is.Equal(content, string(actual)))
assert.NilError(t, file.Close())
_, err = os.Stat(path)
assert.NilError(t, err)
}
func TestCreateContainerImagePullPolicy(t *testing.T) {
imageName := "does-not-exist-locally"
containerID := "abcdef"
config := &containerConfig{
Config: &container.Config{
Image: imageName,
},
HostConfig: &container.HostConfig{},
}
cases := []struct {
PullPolicy string
ExpectedPulls int
ExpectedBody container.ContainerCreateCreatedBody
ExpectedErrMsg string
ResponseCounter int
}{
{
PullPolicy: PullImageMissing,
ExpectedPulls: 1,
ExpectedBody: container.ContainerCreateCreatedBody{ID: containerID},
}, {
PullPolicy: PullImageAlways,
ExpectedPulls: 1,
ExpectedBody: container.ContainerCreateCreatedBody{ID: containerID},
ResponseCounter: 1, // This lets us return a container on the first pull
}, {
PullPolicy: PullImageNever,
ExpectedPulls: 0,
ExpectedErrMsg: "error fake not found",
},
}
for _, c := range cases {
c := c
pullCounter := 0
client := &fakeClient{
createContainerFunc: func(
config *container.Config,
hostConfig *container.HostConfig,
networkingConfig *network.NetworkingConfig,
platform *specs.Platform,
containerName string,
) (container.ContainerCreateCreatedBody, error) {
defer func() { c.ResponseCounter++ }()
switch c.ResponseCounter {
case 0:
return container.ContainerCreateCreatedBody{}, fakeNotFound{}
default:
return container.ContainerCreateCreatedBody{ID: containerID}, nil
}
},
imageCreateFunc: func(parentReference string, options types.ImageCreateOptions) (io.ReadCloser, error) {
defer func() { pullCounter++ }()
return ioutil.NopCloser(strings.NewReader("")), nil
},
infoFunc: func() (types.Info, error) {
return types.Info{IndexServerAddress: "https://indexserver.example.com"}, nil
},
}
cli := test.NewFakeCli(client)
body, err := createContainer(context.Background(), cli, config, &createOptions{
name: "name",
platform: runtime.GOOS,
untrusted: true,
pull: c.PullPolicy,
})
if c.ExpectedErrMsg != "" {
assert.ErrorContains(t, err, c.ExpectedErrMsg)
} else {
assert.NilError(t, err)
assert.Check(t, is.DeepEqual(c.ExpectedBody, *body))
}
assert.Check(t, is.Equal(c.ExpectedPulls, pullCounter))
}
}
func TestNewCreateCommandWithContentTrustErrors(t *testing.T) {
testCases := []struct {
name string
args []string
expectedError string
notaryFunc test.NotaryClientFuncType
}{
{
name: "offline-notary-server",
notaryFunc: notary.GetOfflineNotaryRepository,
expectedError: "client is offline",
args: []string{"image:tag"},
},
{
name: "uninitialized-notary-server",
notaryFunc: notary.GetUninitializedNotaryRepository,
expectedError: "remote trust data does not exist",
args: []string{"image:tag"},
},
{
name: "empty-notary-server",
notaryFunc: notary.GetEmptyTargetsNotaryRepository,
expectedError: "No valid trust data for tag",
args: []string{"image:tag"},
},
}
for _, tc := range testCases {
tc := tc
cli := test.NewFakeCli(&fakeClient{
createContainerFunc: func(config *container.Config,
hostConfig *container.HostConfig,
networkingConfig *network.NetworkingConfig,
platform *specs.Platform,
containerName string,
) (container.ContainerCreateCreatedBody, error) {
return container.ContainerCreateCreatedBody{}, fmt.Errorf("shouldn't try to pull image")
},
}, test.EnableContentTrust)
cli.SetNotaryClient(tc.notaryFunc)
cmd := NewCreateCommand(cli)
cmd.SetOut(ioutil.Discard)
cmd.SetArgs(tc.args)
err := cmd.Execute()
assert.ErrorContains(t, err, tc.expectedError)
}
}
func TestNewCreateCommandWithWarnings(t *testing.T) {
testCases := []struct {
name string
args []string
warning bool
}{
{
name: "container-create-without-oom-kill-disable",
args: []string{"image:tag"},
},
{
name: "container-create-oom-kill-disable-false",
args: []string{"--oom-kill-disable=false", "image:tag"},
},
{
name: "container-create-oom-kill-without-memory-limit",
args: []string{"--oom-kill-disable", "image:tag"},
warning: true,
},
{
name: "container-create-oom-kill-true-without-memory-limit",
args: []string{"--oom-kill-disable=true", "image:tag"},
warning: true,
},
{
name: "container-create-oom-kill-true-with-memory-limit",
args: []string{"--oom-kill-disable=true", "--memory=100M", "image:tag"},
},
{
name: "container-create-localhost-dns",
args: []string{"--dns=127.0.0.11", "image:tag"},
warning: true,
},
{
name: "container-create-localhost-dns-ipv6",
args: []string{"--dns=::1", "image:tag"},
warning: true,
},
}
for _, tc := range testCases {
tc := tc
t.Run(tc.name, func(t *testing.T) {
cli := test.NewFakeCli(&fakeClient{
createContainerFunc: func(config *container.Config,
hostConfig *container.HostConfig,
networkingConfig *network.NetworkingConfig,
platform *specs.Platform,
containerName string,
) (container.ContainerCreateCreatedBody, error) {
return container.ContainerCreateCreatedBody{}, nil
},
})
cmd := NewCreateCommand(cli)
cmd.SetOut(ioutil.Discard)
cmd.SetArgs(tc.args)
err := cmd.Execute()
assert.NilError(t, err)
if tc.warning {
golden.Assert(t, cli.ErrBuffer().String(), tc.name+".golden")
} else {
assert.Equal(t, cli.ErrBuffer().String(), "")
}
})
}
}
func TestCreateContainerWithProxyConfig(t *testing.T) {
expected := []string{
"HTTP_PROXY=httpProxy",
"http_proxy=httpProxy",
"HTTPS_PROXY=httpsProxy",
"https_proxy=httpsProxy",
"NO_PROXY=noProxy",
"no_proxy=noProxy",
"FTP_PROXY=ftpProxy",
"ftp_proxy=ftpProxy",
}
sort.Strings(expected)
cli := test.NewFakeCli(&fakeClient{
createContainerFunc: func(config *container.Config,
hostConfig *container.HostConfig,
networkingConfig *network.NetworkingConfig,
platform *specs.Platform,
containerName string,
) (container.ContainerCreateCreatedBody, error) {
sort.Strings(config.Env)
assert.DeepEqual(t, config.Env, expected)
return container.ContainerCreateCreatedBody{}, nil
},
})
cli.SetConfigFile(&configfile.ConfigFile{
Proxies: map[string]configfile.ProxyConfig{
"default": {
HTTPProxy: "httpProxy",
HTTPSProxy: "httpsProxy",
NoProxy: "noProxy",
FTPProxy: "ftpProxy",
},
},
})
cmd := NewCreateCommand(cli)
cmd.SetOut(ioutil.Discard)
cmd.SetArgs([]string{"image:tag"})
err := cmd.Execute()
assert.NilError(t, err)
}
type fakeNotFound struct{}
func (f fakeNotFound) NotFound() bool { return true }
func (f fakeNotFound) Error() string { return "error fake not found" }

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package container
import (
"context"
"github.com/docker/cli/cli"
"github.com/docker/cli/cli/command"
"github.com/docker/cli/cli/command/formatter"
"github.com/pkg/errors"
"github.com/spf13/cobra"
)
type diffOptions struct {
container string
}
// NewDiffCommand creates a new cobra.Command for `docker diff`
func NewDiffCommand(dockerCli command.Cli) *cobra.Command {
var opts diffOptions
return &cobra.Command{
Use: "diff CONTAINER",
Short: "Inspect changes to files or directories on a container's filesystem",
Args: cli.ExactArgs(1),
RunE: func(cmd *cobra.Command, args []string) error {
opts.container = args[0]
return runDiff(dockerCli, &opts)
},
}
}
func runDiff(dockerCli command.Cli, opts *diffOptions) error {
if opts.container == "" {
return errors.New("Container name cannot be empty")
}
ctx := context.Background()
changes, err := dockerCli.Client().ContainerDiff(ctx, opts.container)
if err != nil {
return err
}
diffCtx := formatter.Context{
Output: dockerCli.Out(),
Format: NewDiffFormat("{{.Type}} {{.Path}}"),
}
return DiffFormatWrite(diffCtx, changes)
}

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package container
import (
"context"
"fmt"
"io"
"github.com/docker/cli/cli"
"github.com/docker/cli/cli/command"
"github.com/docker/cli/cli/config/configfile"
"github.com/docker/cli/opts"
"github.com/docker/docker/api/types"
apiclient "github.com/docker/docker/client"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
"github.com/spf13/cobra"
)
type execOptions struct {
detachKeys string
interactive bool
tty bool
detach bool
user string
privileged bool
env opts.ListOpts
workdir string
container string
command []string
envFile opts.ListOpts
}
func newExecOptions() execOptions {
return execOptions{
env: opts.NewListOpts(opts.ValidateEnv),
envFile: opts.NewListOpts(nil),
}
}
// NewExecCommand creates a new cobra.Command for `docker exec`
func NewExecCommand(dockerCli command.Cli) *cobra.Command {
options := newExecOptions()
cmd := &cobra.Command{
Use: "exec [OPTIONS] CONTAINER COMMAND [ARG...]",
Short: "Run a command in a running container",
Args: cli.RequiresMinArgs(2),
RunE: func(cmd *cobra.Command, args []string) error {
options.container = args[0]
options.command = args[1:]
return runExec(dockerCli, options)
},
}
flags := cmd.Flags()
flags.SetInterspersed(false)
flags.StringVarP(&options.detachKeys, "detach-keys", "", "", "Override the key sequence for detaching a container")
flags.BoolVarP(&options.interactive, "interactive", "i", false, "Keep STDIN open even if not attached")
flags.BoolVarP(&options.tty, "tty", "t", false, "Allocate a pseudo-TTY")
flags.BoolVarP(&options.detach, "detach", "d", false, "Detached mode: run command in the background")
flags.StringVarP(&options.user, "user", "u", "", "Username or UID (format: <name|uid>[:<group|gid>])")
flags.BoolVarP(&options.privileged, "privileged", "", false, "Give extended privileges to the command")
flags.VarP(&options.env, "env", "e", "Set environment variables")
flags.SetAnnotation("env", "version", []string{"1.25"})
flags.Var(&options.envFile, "env-file", "Read in a file of environment variables")
flags.SetAnnotation("env-file", "version", []string{"1.25"})
flags.StringVarP(&options.workdir, "workdir", "w", "", "Working directory inside the container")
flags.SetAnnotation("workdir", "version", []string{"1.35"})
return cmd
}
func runExec(dockerCli command.Cli, options execOptions) error {
execConfig, err := parseExec(options, dockerCli.ConfigFile())
if err != nil {
return err
}
ctx := context.Background()
client := dockerCli.Client()
// We need to check the tty _before_ we do the ContainerExecCreate, because
// otherwise if we error out we will leak execIDs on the server (and
// there's no easy way to clean those up). But also in order to make "not
// exist" errors take precedence we do a dummy inspect first.
if _, err := client.ContainerInspect(ctx, options.container); err != nil {
return err
}
if !execConfig.Detach {
if err := dockerCli.In().CheckTty(execConfig.AttachStdin, execConfig.Tty); err != nil {
return err
}
}
response, err := client.ContainerExecCreate(ctx, options.container, *execConfig)
if err != nil {
return err
}
execID := response.ID
if execID == "" {
return errors.New("exec ID empty")
}
if execConfig.Detach {
execStartCheck := types.ExecStartCheck{
Detach: execConfig.Detach,
Tty: execConfig.Tty,
}
return client.ContainerExecStart(ctx, execID, execStartCheck)
}
return interactiveExec(ctx, dockerCli, execConfig, execID)
}
func interactiveExec(ctx context.Context, dockerCli command.Cli, execConfig *types.ExecConfig, execID string) error {
// Interactive exec requested.
var (
out, stderr io.Writer
in io.ReadCloser
)
if execConfig.AttachStdin {
in = dockerCli.In()
}
if execConfig.AttachStdout {
out = dockerCli.Out()
}
if execConfig.AttachStderr {
if execConfig.Tty {
stderr = dockerCli.Out()
} else {
stderr = dockerCli.Err()
}
}
client := dockerCli.Client()
execStartCheck := types.ExecStartCheck{
Tty: execConfig.Tty,
}
resp, err := client.ContainerExecAttach(ctx, execID, execStartCheck)
if err != nil {
return err
}
defer resp.Close()
errCh := make(chan error, 1)
go func() {
defer close(errCh)
errCh <- func() error {
streamer := hijackedIOStreamer{
streams: dockerCli,
inputStream: in,
outputStream: out,
errorStream: stderr,
resp: resp,
tty: execConfig.Tty,
detachKeys: execConfig.DetachKeys,
}
return streamer.stream(ctx)
}()
}()
if execConfig.Tty && dockerCli.In().IsTerminal() {
if err := MonitorTtySize(ctx, dockerCli, execID, true); err != nil {
fmt.Fprintln(dockerCli.Err(), "Error monitoring TTY size:", err)
}
}
if err := <-errCh; err != nil {
logrus.Debugf("Error hijack: %s", err)
return err
}
return getExecExitStatus(ctx, client, execID)
}
func getExecExitStatus(ctx context.Context, client apiclient.ContainerAPIClient, execID string) error {
resp, err := client.ContainerExecInspect(ctx, execID)
if err != nil {
// If we can't connect, then the daemon probably died.
if !apiclient.IsErrConnectionFailed(err) {
return err
}
return cli.StatusError{StatusCode: -1}
}
status := resp.ExitCode
if status != 0 {
return cli.StatusError{StatusCode: status}
}
return nil
}
// parseExec parses the specified args for the specified command and generates
// an ExecConfig from it.
func parseExec(execOpts execOptions, configFile *configfile.ConfigFile) (*types.ExecConfig, error) {
execConfig := &types.ExecConfig{
User: execOpts.user,
Privileged: execOpts.privileged,
Tty: execOpts.tty,
Cmd: execOpts.command,
Detach: execOpts.detach,
WorkingDir: execOpts.workdir,
}
// collect all the environment variables for the container
var err error
if execConfig.Env, err = opts.ReadKVEnvStrings(execOpts.envFile.GetAll(), execOpts.env.GetAll()); err != nil {
return nil, err
}
// If -d is not set, attach to everything by default
if !execOpts.detach {
execConfig.AttachStdout = true
execConfig.AttachStderr = true
if execOpts.interactive {
execConfig.AttachStdin = true
}
}
if execOpts.detachKeys != "" {
execConfig.DetachKeys = execOpts.detachKeys
} else {
execConfig.DetachKeys = configFile.DetachKeys
}
return execConfig, nil
}

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package container
import (
"context"
"io/ioutil"
"os"
"testing"
"github.com/docker/cli/cli"
"github.com/docker/cli/cli/config/configfile"
"github.com/docker/cli/internal/test"
"github.com/docker/cli/opts"
"github.com/docker/docker/api/types"
"github.com/pkg/errors"
"gotest.tools/v3/assert"
is "gotest.tools/v3/assert/cmp"
"gotest.tools/v3/fs"
)
func withDefaultOpts(options execOptions) execOptions {
options.env = opts.NewListOpts(opts.ValidateEnv)
options.envFile = opts.NewListOpts(nil)
if len(options.command) == 0 {
options.command = []string{"command"}
}
return options
}
func TestParseExec(t *testing.T) {
content := `ONE=1
TWO=2
`
tmpFile := fs.NewFile(t, t.Name(), fs.WithContent(content))
defer tmpFile.Remove()
testcases := []struct {
options execOptions
configFile configfile.ConfigFile
expected types.ExecConfig
}{
{
expected: types.ExecConfig{
Cmd: []string{"command"},
AttachStdout: true,
AttachStderr: true,
},
options: withDefaultOpts(execOptions{}),
},
{
expected: types.ExecConfig{
Cmd: []string{"command1", "command2"},
AttachStdout: true,
AttachStderr: true,
},
options: withDefaultOpts(execOptions{
command: []string{"command1", "command2"},
}),
},
{
options: withDefaultOpts(execOptions{
interactive: true,
tty: true,
user: "uid",
}),
expected: types.ExecConfig{
User: "uid",
AttachStdin: true,
AttachStdout: true,
AttachStderr: true,
Tty: true,
Cmd: []string{"command"},
},
},
{
options: withDefaultOpts(execOptions{detach: true}),
expected: types.ExecConfig{
Detach: true,
Cmd: []string{"command"},
},
},
{
options: withDefaultOpts(execOptions{
tty: true,
interactive: true,
detach: true,
}),
expected: types.ExecConfig{
Detach: true,
Tty: true,
Cmd: []string{"command"},
},
},
{
options: withDefaultOpts(execOptions{detach: true}),
configFile: configfile.ConfigFile{DetachKeys: "de"},
expected: types.ExecConfig{
Cmd: []string{"command"},
DetachKeys: "de",
Detach: true,
},
},
{
options: withDefaultOpts(execOptions{
detach: true,
detachKeys: "ab",
}),
configFile: configfile.ConfigFile{DetachKeys: "de"},
expected: types.ExecConfig{
Cmd: []string{"command"},
DetachKeys: "ab",
Detach: true,
},
},
{
expected: types.ExecConfig{
Cmd: []string{"command"},
AttachStdout: true,
AttachStderr: true,
Env: []string{"ONE=1", "TWO=2"},
},
options: func() execOptions {
o := withDefaultOpts(execOptions{})
o.envFile.Set(tmpFile.Path())
return o
}(),
},
{
expected: types.ExecConfig{
Cmd: []string{"command"},
AttachStdout: true,
AttachStderr: true,
Env: []string{"ONE=1", "TWO=2", "ONE=override"},
},
options: func() execOptions {
o := withDefaultOpts(execOptions{})
o.envFile.Set(tmpFile.Path())
o.env.Set("ONE=override")
return o
}(),
},
}
for _, testcase := range testcases {
execConfig, err := parseExec(testcase.options, &testcase.configFile)
assert.NilError(t, err)
assert.Check(t, is.DeepEqual(testcase.expected, *execConfig))
}
}
func TestParseExecNoSuchFile(t *testing.T) {
execOpts := withDefaultOpts(execOptions{})
execOpts.envFile.Set("no-such-env-file")
execConfig, err := parseExec(execOpts, &configfile.ConfigFile{})
assert.ErrorContains(t, err, "no-such-env-file")
assert.Check(t, os.IsNotExist(err))
assert.Check(t, execConfig == nil)
}
func TestRunExec(t *testing.T) {
var testcases = []struct {
doc string
options execOptions
client fakeClient
expectedError string
expectedOut string
expectedErr string
}{
{
doc: "successful detach",
options: withDefaultOpts(execOptions{
container: "thecontainer",
detach: true,
}),
client: fakeClient{execCreateFunc: execCreateWithID},
},
{
doc: "inspect error",
options: newExecOptions(),
client: fakeClient{
inspectFunc: func(string) (types.ContainerJSON, error) {
return types.ContainerJSON{}, errors.New("failed inspect")
},
},
expectedError: "failed inspect",
},
{
doc: "missing exec ID",
options: newExecOptions(),
expectedError: "exec ID empty",
},
}
for _, testcase := range testcases {
t.Run(testcase.doc, func(t *testing.T) {
cli := test.NewFakeCli(&testcase.client)
err := runExec(cli, testcase.options)
if testcase.expectedError != "" {
assert.ErrorContains(t, err, testcase.expectedError)
} else {
if !assert.Check(t, err) {
return
}
}
assert.Check(t, is.Equal(testcase.expectedOut, cli.OutBuffer().String()))
assert.Check(t, is.Equal(testcase.expectedErr, cli.ErrBuffer().String()))
})
}
}
func execCreateWithID(_ string, _ types.ExecConfig) (types.IDResponse, error) {
return types.IDResponse{ID: "execid"}, nil
}
func TestGetExecExitStatus(t *testing.T) {
execID := "the exec id"
expecatedErr := errors.New("unexpected error")
testcases := []struct {
inspectError error
exitCode int
expectedError error
}{
{
inspectError: nil,
exitCode: 0,
},
{
inspectError: expecatedErr,
expectedError: expecatedErr,
},
{
exitCode: 15,
expectedError: cli.StatusError{StatusCode: 15},
},
}
for _, testcase := range testcases {
client := &fakeClient{
execInspectFunc: func(id string) (types.ContainerExecInspect, error) {
assert.Check(t, is.Equal(execID, id))
return types.ContainerExecInspect{ExitCode: testcase.exitCode}, testcase.inspectError
},
}
err := getExecExitStatus(context.Background(), client, execID)
assert.Check(t, is.Equal(testcase.expectedError, err))
}
}
func TestNewExecCommandErrors(t *testing.T) {
testCases := []struct {
name string
args []string
expectedError string
containerInspectFunc func(img string) (types.ContainerJSON, error)
}{
{
name: "client-error",
args: []string{"5cb5bb5e4a3b", "-t", "-i", "bash"},
expectedError: "something went wrong",
containerInspectFunc: func(containerID string) (types.ContainerJSON, error) {
return types.ContainerJSON{}, errors.Errorf("something went wrong")
},
},
}
for _, tc := range testCases {
cli := test.NewFakeCli(&fakeClient{inspectFunc: tc.containerInspectFunc})
cmd := NewExecCommand(cli)
cmd.SetOut(ioutil.Discard)
cmd.SetArgs(tc.args)
assert.ErrorContains(t, cmd.Execute(), tc.expectedError)
}
}

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package container
import (
"context"
"io"
"github.com/docker/cli/cli"
"github.com/docker/cli/cli/command"
"github.com/pkg/errors"
"github.com/spf13/cobra"
)
type exportOptions struct {
container string
output string
}
// NewExportCommand creates a new `docker export` command
func NewExportCommand(dockerCli command.Cli) *cobra.Command {
var opts exportOptions
cmd := &cobra.Command{
Use: "export [OPTIONS] CONTAINER",
Short: "Export a container's filesystem as a tar archive",
Args: cli.ExactArgs(1),
RunE: func(cmd *cobra.Command, args []string) error {
opts.container = args[0]
return runExport(dockerCli, opts)
},
}
flags := cmd.Flags()
flags.StringVarP(&opts.output, "output", "o", "", "Write to a file, instead of STDOUT")
return cmd
}
func runExport(dockerCli command.Cli, opts exportOptions) error {
if opts.output == "" && dockerCli.Out().IsTerminal() {
return errors.New("cowardly refusing to save to a terminal. Use the -o flag or redirect")
}
if err := command.ValidateOutputPath(opts.output); err != nil {
return errors.Wrap(err, "failed to export container")
}
clnt := dockerCli.Client()
responseBody, err := clnt.ContainerExport(context.Background(), opts.container)
if err != nil {
return err
}
defer responseBody.Close()
if opts.output == "" {
_, err := io.Copy(dockerCli.Out(), responseBody)
return err
}
return command.CopyToFile(opts.output, responseBody)
}

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package container
import (
"io"
"io/ioutil"
"strings"
"testing"
"github.com/docker/cli/internal/test"
"gotest.tools/v3/assert"
"gotest.tools/v3/fs"
)
func TestContainerExportOutputToFile(t *testing.T) {
dir := fs.NewDir(t, "export-test")
defer dir.Remove()
cli := test.NewFakeCli(&fakeClient{
containerExportFunc: func(container string) (io.ReadCloser, error) {
return ioutil.NopCloser(strings.NewReader("bar")), nil
},
})
cmd := NewExportCommand(cli)
cmd.SetOut(ioutil.Discard)
cmd.SetArgs([]string{"-o", dir.Join("foo"), "container"})
assert.NilError(t, cmd.Execute())
expected := fs.Expected(t,
fs.WithFile("foo", "bar", fs.MatchAnyFileMode),
)
assert.Assert(t, fs.Equal(dir.Path(), expected))
}
func TestContainerExportOutputToIrregularFile(t *testing.T) {
cli := test.NewFakeCli(&fakeClient{
containerExportFunc: func(container string) (io.ReadCloser, error) {
return ioutil.NopCloser(strings.NewReader("foo")), nil
},
})
cmd := NewExportCommand(cli)
cmd.SetOut(ioutil.Discard)
cmd.SetArgs([]string{"-o", "/dev/random", "container"})
err := cmd.Execute()
assert.Assert(t, err != nil)
expected := `"/dev/random" must be a directory or a regular file`
assert.ErrorContains(t, err, expected)
}

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package container
import (
"github.com/docker/cli/cli/command/formatter"
"github.com/docker/docker/api/types/container"
"github.com/docker/docker/pkg/archive"
)
const (
defaultDiffTableFormat = "table {{.Type}}\t{{.Path}}"
changeTypeHeader = "CHANGE TYPE"
pathHeader = "PATH"
)
// NewDiffFormat returns a format for use with a diff Context
func NewDiffFormat(source string) formatter.Format {
switch source {
case formatter.TableFormatKey:
return defaultDiffTableFormat
}
return formatter.Format(source)
}
// DiffFormatWrite writes formatted diff using the Context
func DiffFormatWrite(ctx formatter.Context, changes []container.ContainerChangeResponseItem) error {
render := func(format func(subContext formatter.SubContext) error) error {
for _, change := range changes {
if err := format(&diffContext{c: change}); err != nil {
return err
}
}
return nil
}
return ctx.Write(newDiffContext(), render)
}
type diffContext struct {
formatter.HeaderContext
c container.ContainerChangeResponseItem
}
func newDiffContext() *diffContext {
diffCtx := diffContext{}
diffCtx.Header = formatter.SubHeaderContext{
"Type": changeTypeHeader,
"Path": pathHeader,
}
return &diffCtx
}
func (d *diffContext) MarshalJSON() ([]byte, error) {
return formatter.MarshalJSON(d)
}
func (d *diffContext) Type() string {
var kind string
switch d.c.Kind {
case archive.ChangeModify:
kind = "C"
case archive.ChangeAdd:
kind = "A"
case archive.ChangeDelete:
kind = "D"
}
return kind
}
func (d *diffContext) Path() string {
return d.c.Path
}

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package container
import (
"bytes"
"testing"
"github.com/docker/cli/cli/command/formatter"
"github.com/docker/docker/api/types/container"
"github.com/docker/docker/pkg/archive"
"gotest.tools/v3/assert"
)
func TestDiffContextFormatWrite(t *testing.T) {
// Check default output format (verbose and non-verbose mode) for table headers
cases := []struct {
context formatter.Context
expected string
}{
{
formatter.Context{Format: NewDiffFormat("table")},
`CHANGE TYPE PATH
C /var/log/app.log
A /usr/app/app.js
D /usr/app/old_app.js
`,
},
{
formatter.Context{Format: NewDiffFormat("table {{.Path}}")},
`PATH
/var/log/app.log
/usr/app/app.js
/usr/app/old_app.js
`,
},
{
formatter.Context{Format: NewDiffFormat("{{.Type}}: {{.Path}}")},
`C: /var/log/app.log
A: /usr/app/app.js
D: /usr/app/old_app.js
`,
},
}
diffs := []container.ContainerChangeResponseItem{
{Kind: archive.ChangeModify, Path: "/var/log/app.log"},
{Kind: archive.ChangeAdd, Path: "/usr/app/app.js"},
{Kind: archive.ChangeDelete, Path: "/usr/app/old_app.js"},
}
for _, tc := range cases {
tc := tc
t.Run(string(tc.context.Format), func(t *testing.T) {
out := bytes.NewBufferString("")
tc.context.Output = out
err := DiffFormatWrite(tc.context, diffs)
if err != nil {
assert.Error(t, err, tc.expected)
} else {
assert.Equal(t, out.String(), tc.expected)
}
})
}
}

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package container
import (
"fmt"
"sync"
"github.com/docker/cli/cli/command/formatter"
"github.com/docker/docker/pkg/stringid"
units "github.com/docker/go-units"
)
const (
winOSType = "windows"
defaultStatsTableFormat = "table {{.ID}}\t{{.Name}}\t{{.CPUPerc}}\t{{.MemUsage}}\t{{.MemPerc}}\t{{.NetIO}}\t{{.BlockIO}}\t{{.PIDs}}"
winDefaultStatsTableFormat = "table {{.ID}}\t{{.Name}}\t{{.CPUPerc}}\t{{.MemUsage}}\t{{.NetIO}}\t{{.BlockIO}}"
containerHeader = "CONTAINER"
cpuPercHeader = "CPU %"
netIOHeader = "NET I/O"
blockIOHeader = "BLOCK I/O"
memPercHeader = "MEM %" // Used only on Linux
winMemUseHeader = "PRIV WORKING SET" // Used only on Windows
memUseHeader = "MEM USAGE / LIMIT" // Used only on Linux
pidsHeader = "PIDS" // Used only on Linux
)
// StatsEntry represents represents the statistics data collected from a container
type StatsEntry struct {
Container string
Name string
ID string
CPUPercentage float64
Memory float64 // On Windows this is the private working set
MemoryLimit float64 // Not used on Windows
MemoryPercentage float64 // Not used on Windows
NetworkRx float64
NetworkTx float64
BlockRead float64
BlockWrite float64
PidsCurrent uint64 // Not used on Windows
IsInvalid bool
}
// Stats represents an entity to store containers statistics synchronously
type Stats struct {
mutex sync.Mutex
StatsEntry
err error
}
// GetError returns the container statistics error.
// This is used to determine whether the statistics are valid or not
func (cs *Stats) GetError() error {
cs.mutex.Lock()
defer cs.mutex.Unlock()
return cs.err
}
// SetErrorAndReset zeroes all the container statistics and store the error.
// It is used when receiving time out error during statistics collecting to reduce lock overhead
func (cs *Stats) SetErrorAndReset(err error) {
cs.mutex.Lock()
defer cs.mutex.Unlock()
cs.CPUPercentage = 0
cs.Memory = 0
cs.MemoryPercentage = 0
cs.MemoryLimit = 0
cs.NetworkRx = 0
cs.NetworkTx = 0
cs.BlockRead = 0
cs.BlockWrite = 0
cs.PidsCurrent = 0
cs.err = err
cs.IsInvalid = true
}
// SetError sets container statistics error
func (cs *Stats) SetError(err error) {
cs.mutex.Lock()
defer cs.mutex.Unlock()
cs.err = err
if err != nil {
cs.IsInvalid = true
}
}
// SetStatistics set the container statistics
func (cs *Stats) SetStatistics(s StatsEntry) {
cs.mutex.Lock()
defer cs.mutex.Unlock()
s.Container = cs.Container
cs.StatsEntry = s
}
// GetStatistics returns container statistics with other meta data such as the container name
func (cs *Stats) GetStatistics() StatsEntry {
cs.mutex.Lock()
defer cs.mutex.Unlock()
return cs.StatsEntry
}
// NewStatsFormat returns a format for rendering an CStatsContext
func NewStatsFormat(source, osType string) formatter.Format {
if source == formatter.TableFormatKey {
if osType == winOSType {
return winDefaultStatsTableFormat
}
return defaultStatsTableFormat
}
return formatter.Format(source)
}
// NewStats returns a new Stats entity and sets in it the given name
func NewStats(container string) *Stats {
return &Stats{StatsEntry: StatsEntry{Container: container}}
}
// statsFormatWrite renders the context for a list of containers statistics
func statsFormatWrite(ctx formatter.Context, Stats []StatsEntry, osType string, trunc bool) error {
render := func(format func(subContext formatter.SubContext) error) error {
for _, cstats := range Stats {
statsCtx := &statsContext{
s: cstats,
os: osType,
trunc: trunc,
}
if err := format(statsCtx); err != nil {
return err
}
}
return nil
}
memUsage := memUseHeader
if osType == winOSType {
memUsage = winMemUseHeader
}
statsCtx := statsContext{}
statsCtx.Header = formatter.SubHeaderContext{
"Container": containerHeader,
"Name": formatter.NameHeader,
"ID": formatter.ContainerIDHeader,
"CPUPerc": cpuPercHeader,
"MemUsage": memUsage,
"MemPerc": memPercHeader,
"NetIO": netIOHeader,
"BlockIO": blockIOHeader,
"PIDs": pidsHeader,
}
statsCtx.os = osType
return ctx.Write(&statsCtx, render)
}
type statsContext struct {
formatter.HeaderContext
s StatsEntry
os string
trunc bool
}
func (c *statsContext) MarshalJSON() ([]byte, error) {
return formatter.MarshalJSON(c)
}
func (c *statsContext) Container() string {
return c.s.Container
}
func (c *statsContext) Name() string {
if len(c.s.Name) > 1 {
return c.s.Name[1:]
}
return "--"
}
func (c *statsContext) ID() string {
if c.trunc {
return stringid.TruncateID(c.s.ID)
}
return c.s.ID
}
func (c *statsContext) CPUPerc() string {
if c.s.IsInvalid {
return fmt.Sprintf("--")
}
return fmt.Sprintf("%.2f%%", c.s.CPUPercentage)
}
func (c *statsContext) MemUsage() string {
if c.s.IsInvalid {
return fmt.Sprintf("-- / --")
}
if c.os == winOSType {
return units.BytesSize(c.s.Memory)
}
return fmt.Sprintf("%s / %s", units.BytesSize(c.s.Memory), units.BytesSize(c.s.MemoryLimit))
}
func (c *statsContext) MemPerc() string {
if c.s.IsInvalid || c.os == winOSType {
return fmt.Sprintf("--")
}
return fmt.Sprintf("%.2f%%", c.s.MemoryPercentage)
}
func (c *statsContext) NetIO() string {
if c.s.IsInvalid {
return fmt.Sprintf("--")
}
return fmt.Sprintf("%s / %s", units.HumanSizeWithPrecision(c.s.NetworkRx, 3), units.HumanSizeWithPrecision(c.s.NetworkTx, 3))
}
func (c *statsContext) BlockIO() string {
if c.s.IsInvalid {
return fmt.Sprintf("--")
}
return fmt.Sprintf("%s / %s", units.HumanSizeWithPrecision(c.s.BlockRead, 3), units.HumanSizeWithPrecision(c.s.BlockWrite, 3))
}
func (c *statsContext) PIDs() string {
if c.s.IsInvalid || c.os == winOSType {
return fmt.Sprintf("--")
}
return fmt.Sprintf("%d", c.s.PidsCurrent)
}

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package container
import (
"bytes"
"testing"
"github.com/docker/cli/cli/command/formatter"
"github.com/docker/docker/pkg/stringid"
"gotest.tools/v3/assert"
is "gotest.tools/v3/assert/cmp"
)
func TestContainerStatsContext(t *testing.T) {
containerID := stringid.GenerateRandomID()
var ctx statsContext
tt := []struct {
stats StatsEntry
osType string
expValue string
expHeader string
call func() string
}{
{StatsEntry{Container: containerID}, "", containerID, containerHeader, ctx.Container},
{StatsEntry{CPUPercentage: 5.5}, "", "5.50%", cpuPercHeader, ctx.CPUPerc},
{StatsEntry{CPUPercentage: 5.5, IsInvalid: true}, "", "--", cpuPercHeader, ctx.CPUPerc},
{StatsEntry{NetworkRx: 0.31, NetworkTx: 12.3}, "", "0.31B / 12.3B", netIOHeader, ctx.NetIO},
{StatsEntry{NetworkRx: 0.31, NetworkTx: 12.3, IsInvalid: true}, "", "--", netIOHeader, ctx.NetIO},
{StatsEntry{BlockRead: 0.1, BlockWrite: 2.3}, "", "0.1B / 2.3B", blockIOHeader, ctx.BlockIO},
{StatsEntry{BlockRead: 0.1, BlockWrite: 2.3, IsInvalid: true}, "", "--", blockIOHeader, ctx.BlockIO},
{StatsEntry{MemoryPercentage: 10.2}, "", "10.20%", memPercHeader, ctx.MemPerc},
{StatsEntry{MemoryPercentage: 10.2, IsInvalid: true}, "", "--", memPercHeader, ctx.MemPerc},
{StatsEntry{MemoryPercentage: 10.2}, "windows", "--", memPercHeader, ctx.MemPerc},
{StatsEntry{Memory: 24, MemoryLimit: 30}, "", "24B / 30B", memUseHeader, ctx.MemUsage},
{StatsEntry{Memory: 24, MemoryLimit: 30, IsInvalid: true}, "", "-- / --", memUseHeader, ctx.MemUsage},
{StatsEntry{Memory: 24, MemoryLimit: 30}, "windows", "24B", winMemUseHeader, ctx.MemUsage},
{StatsEntry{PidsCurrent: 10}, "", "10", pidsHeader, ctx.PIDs},
{StatsEntry{PidsCurrent: 10, IsInvalid: true}, "", "--", pidsHeader, ctx.PIDs},
{StatsEntry{PidsCurrent: 10}, "windows", "--", pidsHeader, ctx.PIDs},
}
for _, te := range tt {
ctx = statsContext{s: te.stats, os: te.osType}
if v := te.call(); v != te.expValue {
t.Fatalf("Expected %q, got %q", te.expValue, v)
}
}
}
func TestContainerStatsContextWrite(t *testing.T) {
tt := []struct {
context formatter.Context
expected string
}{
{
formatter.Context{Format: "{{InvalidFunction}}"},
`Template parsing error: template: :1: function "InvalidFunction" not defined
`,
},
{
formatter.Context{Format: "{{nil}}"},
`Template parsing error: template: :1:2: executing "" at <nil>: nil is not a command
`,
},
{
formatter.Context{Format: "table {{.MemUsage}}"},
`MEM USAGE / LIMIT
20B / 20B
-- / --
`,
},
{
formatter.Context{Format: "{{.Container}} {{.ID}} {{.Name}}"},
`container1 abcdef foo
container2 --
`,
},
{
formatter.Context{Format: "{{.Container}} {{.CPUPerc}}"},
`container1 20.00%
container2 --
`,
},
}
for _, te := range tt {
stats := []StatsEntry{
{
Container: "container1",
ID: "abcdef",
Name: "/foo",
CPUPercentage: 20,
Memory: 20,
MemoryLimit: 20,
MemoryPercentage: 20,
NetworkRx: 20,
NetworkTx: 20,
BlockRead: 20,
BlockWrite: 20,
PidsCurrent: 2,
IsInvalid: false,
},
{
Container: "container2",
CPUPercentage: 30,
Memory: 30,
MemoryLimit: 30,
MemoryPercentage: 30,
NetworkRx: 30,
NetworkTx: 30,
BlockRead: 30,
BlockWrite: 30,
PidsCurrent: 3,
IsInvalid: true,
},
}
var out bytes.Buffer
te.context.Output = &out
err := statsFormatWrite(te.context, stats, "linux", false)
if err != nil {
assert.Error(t, err, te.expected)
} else {
assert.Check(t, is.Equal(te.expected, out.String()))
}
}
}
func TestContainerStatsContextWriteWindows(t *testing.T) {
cases := []struct {
context formatter.Context
expected string
}{
{
formatter.Context{Format: "table {{.MemUsage}}"},
`PRIV WORKING SET
20B
-- / --
`,
},
{
formatter.Context{Format: "{{.Container}} {{.CPUPerc}}"},
`container1 20.00%
container2 --
`,
},
{
formatter.Context{Format: "{{.Container}} {{.MemPerc}} {{.PIDs}}"},
`container1 -- --
container2 -- --
`,
},
}
stats := []StatsEntry{
{
Container: "container1",
CPUPercentage: 20,
Memory: 20,
MemoryLimit: 20,
MemoryPercentage: 20,
NetworkRx: 20,
NetworkTx: 20,
BlockRead: 20,
BlockWrite: 20,
PidsCurrent: 2,
IsInvalid: false,
},
{
Container: "container2",
CPUPercentage: 30,
Memory: 30,
MemoryLimit: 30,
MemoryPercentage: 30,
NetworkRx: 30,
NetworkTx: 30,
BlockRead: 30,
BlockWrite: 30,
PidsCurrent: 3,
IsInvalid: true,
},
}
for _, tc := range cases {
tc := tc
t.Run(string(tc.context.Format), func(t *testing.T) {
var out bytes.Buffer
tc.context.Output = &out
err := statsFormatWrite(tc.context, stats, "windows", false)
if err != nil {
assert.Error(t, err, tc.expected)
} else {
assert.Equal(t, out.String(), tc.expected)
}
})
}
}
func TestContainerStatsContextWriteWithNoStats(t *testing.T) {
var out bytes.Buffer
cases := []struct {
context formatter.Context
expected string
}{
{
formatter.Context{
Format: "{{.Container}}",
Output: &out,
},
"",
},
{
formatter.Context{
Format: "table {{.Container}}",
Output: &out,
},
"CONTAINER\n",
},
{
formatter.Context{
Format: "table {{.Container}}\t{{.CPUPerc}}",
Output: &out,
},
"CONTAINER CPU %\n",
},
}
for _, tc := range cases {
tc := tc
t.Run(string(tc.context.Format), func(t *testing.T) {
err := statsFormatWrite(tc.context, []StatsEntry{}, "linux", false)
assert.NilError(t, err)
assert.Equal(t, out.String(), tc.expected)
// Clean buffer
out.Reset()
})
}
}
func TestContainerStatsContextWriteWithNoStatsWindows(t *testing.T) {
var out bytes.Buffer
cases := []struct {
context formatter.Context
expected string
}{
{
formatter.Context{
Format: "{{.Container}}",
Output: &out,
},
"",
},
{
formatter.Context{
Format: "table {{.Container}}\t{{.MemUsage}}",
Output: &out,
},
"CONTAINER PRIV WORKING SET\n",
},
{
formatter.Context{
Format: "table {{.Container}}\t{{.CPUPerc}}\t{{.MemUsage}}",
Output: &out,
},
"CONTAINER CPU % PRIV WORKING SET\n",
},
}
for _, tc := range cases {
tc := tc
t.Run(string(tc.context.Format), func(t *testing.T) {
err := statsFormatWrite(tc.context, []StatsEntry{}, "windows", false)
assert.NilError(t, err)
assert.Equal(t, out.String(), tc.expected)
out.Reset()
})
}
}
func TestContainerStatsContextWriteTrunc(t *testing.T) {
var out bytes.Buffer
contexts := []struct {
context formatter.Context
trunc bool
expected string
}{
{
formatter.Context{
Format: "{{.ID}}",
Output: &out,
},
false,
"b95a83497c9161c9b444e3d70e1a9dfba0c1840d41720e146a95a08ebf938afc\n",
},
{
formatter.Context{
Format: "{{.ID}}",
Output: &out,
},
true,
"b95a83497c91\n",
},
}
for _, context := range contexts {
statsFormatWrite(context.context, []StatsEntry{{ID: "b95a83497c9161c9b444e3d70e1a9dfba0c1840d41720e146a95a08ebf938afc"}}, "linux", context.trunc)
assert.Check(t, is.Equal(context.expected, out.String()))
// Clean buffer
out.Reset()
}
}

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@ -0,0 +1,208 @@
package container
import (
"context"
"fmt"
"io"
"runtime"
"sync"
"github.com/docker/cli/cli/command"
"github.com/docker/docker/api/types"
"github.com/docker/docker/pkg/ioutils"
"github.com/docker/docker/pkg/stdcopy"
"github.com/moby/term"
"github.com/sirupsen/logrus"
)
// The default escape key sequence: ctrl-p, ctrl-q
// TODO: This could be moved to `pkg/term`.
var defaultEscapeKeys = []byte{16, 17}
// A hijackedIOStreamer handles copying input to and output from streams to the
// connection.
type hijackedIOStreamer struct {
streams command.Streams
inputStream io.ReadCloser
outputStream io.Writer
errorStream io.Writer
resp types.HijackedResponse
tty bool
detachKeys string
}
// stream handles setting up the IO and then begins streaming stdin/stdout
// to/from the hijacked connection, blocking until it is either done reading
// output, the user inputs the detach key sequence when in TTY mode, or when
// the given context is cancelled.
func (h *hijackedIOStreamer) stream(ctx context.Context) error {
restoreInput, err := h.setupInput()
if err != nil {
return fmt.Errorf("unable to setup input stream: %s", err)
}
defer restoreInput()
outputDone := h.beginOutputStream(restoreInput)
inputDone, detached := h.beginInputStream(restoreInput)
select {
case err := <-outputDone:
return err
case <-inputDone:
// Input stream has closed.
if h.outputStream != nil || h.errorStream != nil {
// Wait for output to complete streaming.
select {
case err := <-outputDone:
return err
case <-ctx.Done():
return ctx.Err()
}
}
return nil
case err := <-detached:
// Got a detach key sequence.
return err
case <-ctx.Done():
return ctx.Err()
}
}
func (h *hijackedIOStreamer) setupInput() (restore func(), err error) {
if h.inputStream == nil || !h.tty {
// No need to setup input TTY.
// The restore func is a nop.
return func() {}, nil
}
if err := setRawTerminal(h.streams); err != nil {
return nil, fmt.Errorf("unable to set IO streams as raw terminal: %s", err)
}
// Use sync.Once so we may call restore multiple times but ensure we
// only restore the terminal once.
var restoreOnce sync.Once
restore = func() {
restoreOnce.Do(func() {
restoreTerminal(h.streams, h.inputStream)
})
}
// Wrap the input to detect detach escape sequence.
// Use default escape keys if an invalid sequence is given.
escapeKeys := defaultEscapeKeys
if h.detachKeys != "" {
customEscapeKeys, err := term.ToBytes(h.detachKeys)
if err != nil {
logrus.Warnf("invalid detach escape keys, using default: %s", err)
} else {
escapeKeys = customEscapeKeys
}
}
h.inputStream = ioutils.NewReadCloserWrapper(term.NewEscapeProxy(h.inputStream, escapeKeys), h.inputStream.Close)
return restore, nil
}
func (h *hijackedIOStreamer) beginOutputStream(restoreInput func()) <-chan error {
if h.outputStream == nil && h.errorStream == nil {
// There is no need to copy output.
return nil
}
outputDone := make(chan error)
go func() {
var err error
// When TTY is ON, use regular copy
if h.outputStream != nil && h.tty {
_, err = io.Copy(h.outputStream, h.resp.Reader)
// We should restore the terminal as soon as possible
// once the connection ends so any following print
// messages will be in normal type.
restoreInput()
} else {
_, err = stdcopy.StdCopy(h.outputStream, h.errorStream, h.resp.Reader)
}
logrus.Debug("[hijack] End of stdout")
if err != nil {
logrus.Debugf("Error receiveStdout: %s", err)
}
outputDone <- err
}()
return outputDone
}
func (h *hijackedIOStreamer) beginInputStream(restoreInput func()) (doneC <-chan struct{}, detachedC <-chan error) {
inputDone := make(chan struct{})
detached := make(chan error)
go func() {
if h.inputStream != nil {
_, err := io.Copy(h.resp.Conn, h.inputStream)
// We should restore the terminal as soon as possible
// once the connection ends so any following print
// messages will be in normal type.
restoreInput()
logrus.Debug("[hijack] End of stdin")
if _, ok := err.(term.EscapeError); ok {
detached <- err
return
}
if err != nil {
// This error will also occur on the receive
// side (from stdout) where it will be
// propagated back to the caller.
logrus.Debugf("Error sendStdin: %s", err)
}
}
if err := h.resp.CloseWrite(); err != nil {
logrus.Debugf("Couldn't send EOF: %s", err)
}
close(inputDone)
}()
return inputDone, detached
}
func setRawTerminal(streams command.Streams) error {
if err := streams.In().SetRawTerminal(); err != nil {
return err
}
return streams.Out().SetRawTerminal()
}
// nolint: unparam
func restoreTerminal(streams command.Streams, in io.Closer) error {
streams.In().RestoreTerminal()
streams.Out().RestoreTerminal()
// WARNING: DO NOT REMOVE THE OS CHECKS !!!
// For some reason this Close call blocks on darwin..
// As the client exits right after, simply discard the close
// until we find a better solution.
//
// This can also cause the client on Windows to get stuck in Win32 CloseHandle()
// in some cases. See https://github.com/docker/docker/issues/28267#issuecomment-288237442
// Tracked internally at Microsoft by VSO #11352156. In the
// Windows case, you hit this if you are using the native/v2 console,
// not the "legacy" console, and you start the client in a new window. eg
// `start docker run --rm -it microsoft/nanoserver cmd /s /c echo foobar`
// will hang. Remove start, and it won't repro.
if in != nil && runtime.GOOS != "darwin" && runtime.GOOS != "windows" {
return in.Close()
}
return nil
}

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@ -0,0 +1,47 @@
package container
import (
"context"
"github.com/docker/cli/cli"
"github.com/docker/cli/cli/command"
"github.com/docker/cli/cli/command/inspect"
"github.com/spf13/cobra"
)
type inspectOptions struct {
format string
size bool
refs []string
}
// newInspectCommand creates a new cobra.Command for `docker container inspect`
func newInspectCommand(dockerCli command.Cli) *cobra.Command {
var opts inspectOptions
cmd := &cobra.Command{
Use: "inspect [OPTIONS] CONTAINER [CONTAINER...]",
Short: "Display detailed information on one or more containers",
Args: cli.RequiresMinArgs(1),
RunE: func(cmd *cobra.Command, args []string) error {
opts.refs = args
return runInspect(dockerCli, opts)
},
}
flags := cmd.Flags()
flags.StringVarP(&opts.format, "format", "f", "", "Format the output using the given Go template")
flags.BoolVarP(&opts.size, "size", "s", false, "Display total file sizes")
return cmd
}
func runInspect(dockerCli command.Cli, opts inspectOptions) error {
client := dockerCli.Client()
ctx := context.Background()
getRefFunc := func(ref string) (interface{}, []byte, error) {
return client.ContainerInspectWithRaw(ctx, ref, opts.size)
}
return inspect.Inspect(dockerCli.Out(), opts.refs, opts.format, getRefFunc)
}

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@ -0,0 +1,56 @@
package container
import (
"context"
"fmt"
"strings"
"github.com/docker/cli/cli"
"github.com/docker/cli/cli/command"
"github.com/pkg/errors"
"github.com/spf13/cobra"
)
type killOptions struct {
signal string
containers []string
}
// NewKillCommand creates a new cobra.Command for `docker kill`
func NewKillCommand(dockerCli command.Cli) *cobra.Command {
var opts killOptions
cmd := &cobra.Command{
Use: "kill [OPTIONS] CONTAINER [CONTAINER...]",
Short: "Kill one or more running containers",
Args: cli.RequiresMinArgs(1),
RunE: func(cmd *cobra.Command, args []string) error {
opts.containers = args
return runKill(dockerCli, &opts)
},
}
flags := cmd.Flags()
flags.StringVarP(&opts.signal, "signal", "s", "KILL", "Signal to send to the container")
return cmd
}
func runKill(dockerCli command.Cli, opts *killOptions) error {
var errs []string
ctx := context.Background()
errChan := parallelOperation(ctx, opts.containers, func(ctx context.Context, container string) error {
return dockerCli.Client().ContainerKill(ctx, container, opts.signal)
})
for _, name := range opts.containers {
if err := <-errChan; err != nil {
errs = append(errs, err.Error())
} else {
fmt.Fprintln(dockerCli.Out(), name)
}
}
if len(errs) > 0 {
return errors.New(strings.Join(errs, "\n"))
}
return nil
}

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