platform_build_soong/cmd/multiproduct_kati/main.go

399 lines
10 KiB
Go

// Copyright 2017 Google Inc. All rights reserved.
//
// 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
//
// http://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.
package main
import (
"context"
"flag"
"fmt"
"io/ioutil"
"os"
"path/filepath"
"runtime"
"strings"
"sync"
"time"
"android/soong/ui/build"
"android/soong/ui/logger"
"android/soong/ui/tracer"
"android/soong/zip"
)
// We default to number of cpus / 4, which seems to be the sweet spot for my
// system. I suspect this is mostly due to memory or disk bandwidth though, and
// may depend on the size ofthe source tree, so this probably isn't a great
// default.
func detectNumJobs() int {
if runtime.NumCPU() < 4 {
return 1
}
return runtime.NumCPU() / 4
}
var numJobs = flag.Int("j", detectNumJobs(), "number of parallel kati jobs")
var keepArtifacts = flag.Bool("keep", false, "keep archives of artifacts")
var outDir = flag.String("out", "", "path to store output directories (defaults to tmpdir under $OUT when empty)")
var alternateResultDir = flag.Bool("dist", false, "write select results to $DIST_DIR (or <out>/dist when empty)")
var onlyConfig = flag.Bool("only-config", false, "Only run product config (not Soong or Kati)")
var onlySoong = flag.Bool("only-soong", false, "Only run product config and Soong (not Kati)")
var buildVariant = flag.String("variant", "eng", "build variant to use")
var skipProducts = flag.String("skip-products", "", "comma-separated list of products to skip (known failures, etc)")
var includeProducts = flag.String("products", "", "comma-separated list of products to build")
const errorLeadingLines = 20
const errorTrailingLines = 20
type Product struct {
ctx build.Context
config build.Config
logFile string
}
type Status struct {
cur int
total int
failed int
ctx build.Context
haveBlankLine bool
smartTerminal bool
lock sync.Mutex
}
func NewStatus(ctx build.Context) *Status {
return &Status{
ctx: ctx,
haveBlankLine: true,
smartTerminal: ctx.IsTerminal(),
}
}
func (s *Status) SetTotal(total int) {
s.total = total
}
func (s *Status) Fail(product string, err error, logFile string) {
s.Finish(product)
s.lock.Lock()
defer s.lock.Unlock()
if s.smartTerminal && !s.haveBlankLine {
fmt.Fprintln(s.ctx.Stdout())
s.haveBlankLine = true
}
s.failed++
fmt.Fprintln(s.ctx.Stderr(), "FAILED:", product)
s.ctx.Verboseln("FAILED:", product)
if logFile != "" {
data, err := ioutil.ReadFile(logFile)
if err == nil {
lines := strings.Split(strings.TrimSpace(string(data)), "\n")
if len(lines) > errorLeadingLines+errorTrailingLines+1 {
lines[errorLeadingLines] = fmt.Sprintf("... skipping %d lines ...",
len(lines)-errorLeadingLines-errorTrailingLines)
lines = append(lines[:errorLeadingLines+1],
lines[len(lines)-errorTrailingLines:]...)
}
for _, line := range lines {
fmt.Fprintln(s.ctx.Stderr(), "> ", line)
s.ctx.Verboseln(line)
}
}
}
s.ctx.Print(err)
}
func (s *Status) Finish(product string) {
s.lock.Lock()
defer s.lock.Unlock()
s.cur++
line := fmt.Sprintf("[%d/%d] %s", s.cur, s.total, product)
if s.smartTerminal {
if max, ok := s.ctx.TermWidth(); ok {
if len(line) > max {
line = line[:max]
}
}
fmt.Fprint(s.ctx.Stdout(), "\r", line, "\x1b[K")
s.haveBlankLine = false
} else {
s.ctx.Println(line)
}
}
func (s *Status) Finished() int {
s.lock.Lock()
defer s.lock.Unlock()
if !s.haveBlankLine {
fmt.Fprintln(s.ctx.Stdout())
s.haveBlankLine = true
}
return s.failed
}
func inList(str string, list []string) bool {
for _, other := range list {
if str == other {
return true
}
}
return false
}
func main() {
log := logger.New(os.Stderr)
defer log.Cleanup()
flag.Parse()
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
trace := tracer.New(log)
defer trace.Close()
build.SetupSignals(log, cancel, func() {
trace.Close()
log.Cleanup()
})
buildCtx := build.Context{&build.ContextImpl{
Context: ctx,
Logger: log,
Tracer: trace,
StdioInterface: build.StdioImpl{},
}}
status := NewStatus(buildCtx)
config := build.NewConfig(buildCtx)
if *outDir == "" {
name := "multiproduct-" + time.Now().Format("20060102150405")
*outDir = filepath.Join(config.OutDir(), name)
// Ensure the empty files exist in the output directory
// containing our output directory too. This is mostly for
// safety, but also triggers the ninja_build file so that our
// build servers know that they can parse the output as if it
// was ninja output.
build.SetupOutDir(buildCtx, config)
if err := os.MkdirAll(*outDir, 0777); err != nil {
log.Fatalf("Failed to create tempdir: %v", err)
}
}
config.Environment().Set("OUT_DIR", *outDir)
log.Println("Output directory:", *outDir)
logsDir := filepath.Join(config.OutDir(), "logs")
os.MkdirAll(logsDir, 0777)
build.SetupOutDir(buildCtx, config)
if *alternateResultDir {
distLogsDir := filepath.Join(config.DistDir(), "logs")
os.MkdirAll(distLogsDir, 0777)
log.SetOutput(filepath.Join(distLogsDir, "soong.log"))
trace.SetOutput(filepath.Join(distLogsDir, "build.trace"))
} else {
log.SetOutput(filepath.Join(config.OutDir(), "soong.log"))
trace.SetOutput(filepath.Join(config.OutDir(), "build.trace"))
}
vars, err := build.DumpMakeVars(buildCtx, config, nil, []string{"all_named_products"})
if err != nil {
log.Fatal(err)
}
var productsList []string
allProducts := strings.Fields(vars["all_named_products"])
if *includeProducts != "" {
missingProducts := []string{}
for _, product := range strings.Split(*includeProducts, ",") {
if inList(product, allProducts) {
productsList = append(productsList, product)
} else {
missingProducts = append(missingProducts, product)
}
}
if len(missingProducts) > 0 {
log.Fatalf("Products don't exist: %s\n", missingProducts)
}
} else {
productsList = allProducts
}
products := make([]string, 0, len(productsList))
skipList := strings.Split(*skipProducts, ",")
skipProduct := func(p string) bool {
for _, s := range skipList {
if p == s {
return true
}
}
return false
}
for _, product := range productsList {
if !skipProduct(product) {
products = append(products, product)
} else {
log.Verbose("Skipping: ", product)
}
}
log.Verbose("Got product list: ", products)
status.SetTotal(len(products))
var wg sync.WaitGroup
productConfigs := make(chan Product, len(products))
finder := build.NewSourceFinder(buildCtx, config)
defer finder.Shutdown()
// Run the product config for every product in parallel
for _, product := range products {
wg.Add(1)
go func(product string) {
var stdLog string
defer wg.Done()
defer logger.Recover(func(err error) {
status.Fail(product, err, stdLog)
})
productOutDir := filepath.Join(config.OutDir(), product)
productLogDir := filepath.Join(logsDir, product)
if err := os.MkdirAll(productOutDir, 0777); err != nil {
log.Fatalf("Error creating out directory: %v", err)
}
if err := os.MkdirAll(productLogDir, 0777); err != nil {
log.Fatalf("Error creating log directory: %v", err)
}
stdLog = filepath.Join(productLogDir, "std.log")
f, err := os.Create(stdLog)
if err != nil {
log.Fatalf("Error creating std.log: %v", err)
}
productLog := logger.New(f)
productLog.SetOutput(filepath.Join(productLogDir, "soong.log"))
productCtx := build.Context{&build.ContextImpl{
Context: ctx,
Logger: productLog,
Tracer: trace,
StdioInterface: build.NewCustomStdio(nil, f, f),
Thread: trace.NewThread(product),
}}
productConfig := build.NewConfig(productCtx)
productConfig.Environment().Set("OUT_DIR", productOutDir)
build.FindSources(productCtx, productConfig, finder)
productConfig.Lunch(productCtx, product, *buildVariant)
build.Build(productCtx, productConfig, build.BuildProductConfig)
productConfigs <- Product{productCtx, productConfig, stdLog}
}(product)
}
go func() {
defer close(productConfigs)
wg.Wait()
}()
var wg2 sync.WaitGroup
// Then run up to numJobs worth of Soong and Kati
for i := 0; i < *numJobs; i++ {
wg2.Add(1)
go func() {
defer wg2.Done()
for product := range productConfigs {
func() {
defer logger.Recover(func(err error) {
status.Fail(product.config.TargetProduct(), err, product.logFile)
})
defer func() {
if *keepArtifacts {
args := zip.ZipArgs{
FileArgs: []zip.FileArg{
{
GlobDir: product.config.OutDir(),
SourcePrefixToStrip: product.config.OutDir(),
},
},
OutputFilePath: filepath.Join(config.OutDir(), product.config.TargetProduct()+".zip"),
NumParallelJobs: runtime.NumCPU(),
CompressionLevel: 5,
}
if err := zip.Run(args); err != nil {
log.Fatalf("Error zipping artifacts: %v", err)
}
}
os.RemoveAll(product.config.OutDir())
}()
buildWhat := 0
if !*onlyConfig {
buildWhat |= build.BuildSoong
if !*onlySoong {
buildWhat |= build.BuildKati
}
}
build.Build(product.ctx, product.config, buildWhat)
status.Finish(product.config.TargetProduct())
}()
}
}()
}
wg2.Wait()
if *alternateResultDir {
args := zip.ZipArgs{
FileArgs: []zip.FileArg{
{GlobDir: logsDir, SourcePrefixToStrip: logsDir},
},
OutputFilePath: filepath.Join(config.DistDir(), "logs.zip"),
NumParallelJobs: runtime.NumCPU(),
CompressionLevel: 5,
}
if err := zip.Run(args); err != nil {
log.Fatalf("Error zipping logs: %v", err)
}
}
if count := status.Finished(); count > 0 {
log.Fatalln(count, "products failed")
}
}