856 lines
28 KiB
Python
856 lines
28 KiB
Python
#
|
|
# Copyright 2006-2007, 2013 Red Hat, Inc.
|
|
#
|
|
# This work is licensed under the GNU GPLv2 or later.
|
|
# See the COPYING file in the top-level directory.
|
|
|
|
import configparser
|
|
import logging
|
|
import re
|
|
|
|
from .osdict import OSDB
|
|
|
|
|
|
###############################################
|
|
# Helpers for detecting distro from given URL #
|
|
###############################################
|
|
|
|
class _DistroCache(object):
|
|
def __init__(self, fetcher):
|
|
self._fetcher = fetcher
|
|
self._filecache = {}
|
|
|
|
self._treeinfo = None
|
|
self.treeinfo_family = None
|
|
self.treeinfo_version = None
|
|
self.treeinfo_name = None
|
|
self.treeinfo_matched = False
|
|
|
|
self.suse_content = None
|
|
self.checked_for_suse_content = False
|
|
self.debian_media_type = None
|
|
|
|
self.libosinfo_os_variant = None
|
|
self.libosinfo_mediaobj = None
|
|
|
|
def acquire_file_content(self, path):
|
|
if path not in self._filecache:
|
|
try:
|
|
content = self._fetcher.acquireFileContent(path)
|
|
except ValueError:
|
|
content = None
|
|
logging.debug("Failed to acquire file=%s", path)
|
|
self._filecache[path] = content
|
|
return self._filecache[path]
|
|
|
|
@property
|
|
def treeinfo(self):
|
|
if self._treeinfo:
|
|
return self._treeinfo
|
|
|
|
treeinfostr = self.acquire_file_content(".treeinfo")
|
|
if treeinfostr is None:
|
|
return None
|
|
|
|
# If the file doesn't parse or there's no 'family', this will
|
|
# error, but that should be fine because we aren't going to
|
|
# successfully detect the tree anyways
|
|
treeinfo = configparser.SafeConfigParser()
|
|
treeinfo.read_string(treeinfostr)
|
|
self.treeinfo_family = treeinfo.get("general", "family")
|
|
self._treeinfo = treeinfo
|
|
logging.debug("treeinfo family=%s", self.treeinfo_family)
|
|
|
|
if self._treeinfo.has_option("general", "version"):
|
|
self.treeinfo_version = self._treeinfo.get("general", "version")
|
|
logging.debug("Found treeinfo version=%s", self.treeinfo_version)
|
|
|
|
if self._treeinfo.has_option("general", "name"):
|
|
self.treeinfo_name = self._treeinfo.get("general", "name")
|
|
logging.debug("Found treeinfo name=%s", self.treeinfo_name)
|
|
|
|
return self._treeinfo
|
|
|
|
def treeinfo_family_regex(self, famregex):
|
|
if not self.treeinfo:
|
|
return False
|
|
|
|
ret = bool(re.match(famregex, self.treeinfo_family))
|
|
self.treeinfo_matched = ret
|
|
if not ret:
|
|
logging.debug("Didn't match treeinfo family regex=%s", famregex)
|
|
return ret
|
|
|
|
def content_regex(self, filename, regex):
|
|
"""
|
|
Fetch 'filename' and return True/False if it matches the regex
|
|
"""
|
|
content = self.acquire_file_content(filename)
|
|
if content is None:
|
|
return False
|
|
|
|
for line in content.splitlines():
|
|
if re.match(regex, line):
|
|
return True
|
|
|
|
logging.debug("found filename=%s but regex=%s didn't match",
|
|
filename, regex)
|
|
return False
|
|
|
|
def get_treeinfo_media(self, typ):
|
|
"""
|
|
Pull kernel/initrd/boot.iso paths out of the treeinfo for
|
|
the passed data
|
|
"""
|
|
def _get_treeinfo_path(media_name):
|
|
image_type = self.treeinfo.get("general", "arch")
|
|
if typ == "xen":
|
|
image_type = "xen"
|
|
return self.treeinfo.get("images-%s" % image_type, media_name)
|
|
|
|
try:
|
|
return [(_get_treeinfo_path("kernel"),
|
|
_get_treeinfo_path("initrd"))]
|
|
except Exception:
|
|
logging.debug("Failed to parse treeinfo kernel/initrd",
|
|
exc_info=True)
|
|
return []
|
|
|
|
def split_version(self):
|
|
verstr = self.treeinfo_version
|
|
def _safeint(c):
|
|
try:
|
|
return int(c)
|
|
except Exception:
|
|
return 0
|
|
|
|
# Parse a string like 6.9 or 7.4 into its two parts
|
|
# centos altarch's have just version=7
|
|
update = 0
|
|
version = _safeint(verstr)
|
|
if verstr.count(".") >= 1:
|
|
version = _safeint(verstr.split(".")[0])
|
|
update = _safeint(verstr.split(".")[1])
|
|
|
|
logging.debug("converted verstr=%s to version=%s update=%s",
|
|
verstr, version, update)
|
|
return version, update
|
|
|
|
def fetcher_is_iso(self):
|
|
return self._fetcher.is_iso()
|
|
|
|
def guess_os_from_iso(self):
|
|
ret = OSDB.guess_os_by_iso(self._fetcher.location)
|
|
if not ret:
|
|
return False
|
|
|
|
self.libosinfo_os_variant, self.libosinfo_mediaobj = ret
|
|
if (not self.libosinfo_mediaobj.get_kernel_path() or
|
|
not self.libosinfo_mediaobj.get_initrd_path()):
|
|
# This can happen if the media is live media, or just
|
|
# with incomplete libosinfo data
|
|
logging.debug("libosinfo didn't report any media kernel/initrd "
|
|
"path for detected os_variant=%s",
|
|
self.libosinfo_mediaobj)
|
|
return False
|
|
|
|
return True
|
|
|
|
|
|
class _SUSEContent(object):
|
|
"""
|
|
Helper class tracking the SUSE 'content' files
|
|
"""
|
|
def __init__(self, content_str):
|
|
self.content_str = content_str
|
|
self.content_dict = {}
|
|
|
|
for line in self.content_str.splitlines():
|
|
for prefix in ["LABEL", "DISTRO", "VERSION",
|
|
"BASEARCHS", "DEFAULTBASE", "REPOID"]:
|
|
if line.startswith(prefix + " "):
|
|
self.content_dict[prefix] = line.split(" ", 1)[1]
|
|
|
|
logging.debug("SUSE content dict: %s", str(self.content_dict))
|
|
|
|
self.tree_arch = self._get_tree_arch()
|
|
self.product_name = self._get_product_name()
|
|
self.product_version = self._get_product_version()
|
|
logging.debug("SUSE content product_name=%s product_version=%s "
|
|
"tree_arch=%s", self.product_name, self.product_version,
|
|
self.tree_arch)
|
|
|
|
def _get_tree_arch(self):
|
|
# Examples:
|
|
# opensuse 11.4: BASEARCHS i586 x86_64
|
|
# opensuse 12.3: BASEARCHS i586 x86_64
|
|
# opensuse 10.3: DEFAULTBASE i586
|
|
distro_arch = (self.content_dict.get("BASEARCHS") or
|
|
self.content_dict.get("DEFAULTBASE"))
|
|
if not distro_arch and "REPOID" in self.content_dict:
|
|
distro_arch = self.content_dict["REPOID"].rsplit('/', 1)[1]
|
|
if not distro_arch:
|
|
return None
|
|
|
|
tree_arch = distro_arch.strip()
|
|
# Fix for 13.2 official oss repo
|
|
if tree_arch.find("i586-x86_64") != -1:
|
|
tree_arch = "x86_64"
|
|
return tree_arch
|
|
|
|
def _get_product_name(self):
|
|
"""
|
|
Parse the SUSE product name. Examples:
|
|
SUSE Linux Enterprise Server 11 SP4
|
|
openSUSE 11.4
|
|
"""
|
|
# Some field examples in the wild
|
|
#
|
|
# opensuse 10.3: LABEL openSUSE 10.3
|
|
# opensuse 11.4: LABEL openSUSE 11.4
|
|
# opensuse 12.3: LABEL openSUSE
|
|
# sles11sp4 DVD: LABEL SUSE Linux Enterprise Server 11 SP4
|
|
#
|
|
#
|
|
# DISTRO cpe:/o:opensuse:opensuse:13.2,openSUSE
|
|
# DISTRO cpe:/o:suse:sled:12:sp3,SUSE Linux Enterprise Desktop 12 SP3
|
|
#
|
|
# As of 2018 all latest distros match only DISTRO and REPOID.
|
|
product_name = None
|
|
if "LABEL" in self.content_dict:
|
|
product_name = self.content_dict["LABEL"]
|
|
elif "," in self.content_dict.get("DISTRO", ""):
|
|
product_name = self.content_dict["DISTRO"].rsplit(",", 1)[1]
|
|
|
|
logging.debug("SUSE content product_name=%s", product_name)
|
|
return product_name
|
|
|
|
def _get_product_version(self):
|
|
# Some example fields:
|
|
#
|
|
# opensuse 10.3: VERSION 10.3
|
|
# opensuse 12.3: VERSION 12.3
|
|
# SLES-10-SP4-DVD-x86_64-GM-DVD1.iso: VERSION 10.4-0
|
|
#
|
|
# REPOID obsproduct://build.suse.de/SUSE:SLE-11-SP4:GA/SUSE_SLES/11.4/DVD/x86_64
|
|
# REPOID obsproduct://build.suse.de/SUSE:SLE-12-SP3:GA/SLES/12.3/DVD/aarch64
|
|
#
|
|
# As of 2018 all latest distros match only DISTRO and REPOID.
|
|
if not self.product_name:
|
|
return None
|
|
|
|
distro_version = self.content_dict.get("VERSION", "")
|
|
if "-" in distro_version:
|
|
distro_version = distro_version.split('-', 1)[0]
|
|
|
|
# Special case, parse version out of a line like this
|
|
# cpe:/o:opensuse:opensuse:13.2,openSUSE
|
|
if (not distro_version and
|
|
re.match("^.*:.*,openSUSE*", self.content_dict["DISTRO"])):
|
|
distro_version = self.content_dict["DISTRO"].rsplit(
|
|
",", 1)[0].strip().rsplit(":")[4]
|
|
distro_version = distro_version.strip()
|
|
|
|
if "Enterprise" in self.product_name or "SLES" in self.product_name:
|
|
sle_version = self.product_name.strip().rsplit(' ')[4]
|
|
if len(self.product_name.strip().rsplit(' ')) > 5:
|
|
sle_version = (sle_version + '.' +
|
|
self.product_name.strip().rsplit(' ')[5][2])
|
|
distro_version = sle_version
|
|
|
|
return distro_version
|
|
|
|
|
|
def getDistroStore(guest, fetcher, skip_error):
|
|
logging.debug("Finding distro store for location=%s", fetcher.location)
|
|
|
|
arch = guest.os.arch
|
|
_type = guest.os.os_type
|
|
osobj = guest.osinfo
|
|
stores = _allstores[:]
|
|
cache = _DistroCache(fetcher)
|
|
|
|
# If user manually specified an os_distro, bump its URL class
|
|
# to the top of the list
|
|
if osobj.distro:
|
|
logging.debug("variant=%s has distro=%s, looking for matching "
|
|
"distro store to prioritize",
|
|
osobj.name, osobj.distro)
|
|
found_store = None
|
|
for store in stores:
|
|
if osobj.distro in store.matching_distros:
|
|
found_store = store
|
|
|
|
if found_store:
|
|
logging.debug("Prioritizing distro store=%s", found_store)
|
|
stores.remove(found_store)
|
|
stores.insert(0, found_store)
|
|
else:
|
|
logging.debug("No matching store found, not prioritizing anything")
|
|
|
|
for sclass in stores:
|
|
if not sclass.is_valid(cache):
|
|
continue
|
|
|
|
store = sclass(fetcher.location, arch, _type, cache)
|
|
logging.debug("Detected class=%s osvariant=%s",
|
|
store.__class__.__name__, store.get_osdict_info())
|
|
return store
|
|
|
|
if skip_error:
|
|
return None
|
|
|
|
# No distro was detected. See if the URL even resolves, and if not
|
|
# give the user a hint that maybe they mistyped. This won't always
|
|
# be true since some webservers don't allow directory listing.
|
|
# https://www.redhat.com/archives/virt-tools-list/2014-December/msg00048.html
|
|
extramsg = ""
|
|
if not fetcher.can_access():
|
|
extramsg = (": " +
|
|
_("The URL could not be accessed, maybe you mistyped?"))
|
|
|
|
raise ValueError(
|
|
_("Could not find an installable distribution at '%s'%s\n\n"
|
|
"The location must be the root directory of an install tree.\n"
|
|
"See virt-install man page for various distro examples." %
|
|
(fetcher.location, extramsg)))
|
|
|
|
|
|
##################
|
|
# Distro classes #
|
|
##################
|
|
|
|
class _DistroTree(object):
|
|
"""
|
|
Class for determining the kernel/initrd path for an install
|
|
tree (URL, ISO, or local directory)
|
|
"""
|
|
PRETTY_NAME = None
|
|
matching_distros = []
|
|
|
|
def __init__(self, location, arch, vmtype, cache):
|
|
self.type = vmtype
|
|
self.arch = arch
|
|
self.uri = location
|
|
self.cache = cache
|
|
|
|
if self.cache.libosinfo_os_variant:
|
|
self._os_variant = self.cache.libosinfo_os_variant
|
|
else:
|
|
self._os_variant = self._detect_version()
|
|
|
|
if self._os_variant and not OSDB.lookup_os(self._os_variant):
|
|
logging.debug("Detected os_variant as %s, which is not "
|
|
"in osdict.",
|
|
self._os_variant)
|
|
self._os_variant = None
|
|
|
|
self._kernel_paths = []
|
|
if self.cache.treeinfo_matched:
|
|
self._kernel_paths = self.cache.get_treeinfo_media(self.type)
|
|
else:
|
|
self._set_manual_kernel_paths()
|
|
|
|
|
|
def _set_manual_kernel_paths(self):
|
|
"""
|
|
If kernel/initrd path could not be determined from a source
|
|
like treeinfo, subclasses can override this to set a list
|
|
of manual paths
|
|
"""
|
|
pass
|
|
|
|
def _detect_version(self):
|
|
"""
|
|
Hook for subclasses to detect media os variant.
|
|
"""
|
|
logging.debug("%s does not implement any osdict detection", self)
|
|
return None
|
|
|
|
|
|
##############
|
|
# Public API #
|
|
##############
|
|
|
|
@classmethod
|
|
def is_valid(cls, cache):
|
|
raise NotImplementedError
|
|
|
|
def get_kernel_paths(self):
|
|
return self._kernel_paths
|
|
|
|
def get_osdict_info(self):
|
|
"""
|
|
Return detected osdict value
|
|
"""
|
|
return self._os_variant
|
|
|
|
|
|
class _FedoraDistro(_DistroTree):
|
|
PRETTY_NAME = "Fedora"
|
|
matching_distros = ["fedora"]
|
|
|
|
@classmethod
|
|
def is_valid(cls, cache):
|
|
famregex = ".*Fedora.*"
|
|
return cache.treeinfo_family_regex(famregex)
|
|
|
|
def _detect_version(self):
|
|
latest_variant = "fedora-unknown"
|
|
|
|
verstr = self.cache.treeinfo_version
|
|
if not verstr:
|
|
logging.debug("No treeinfo version? Assume latest_variant=%s",
|
|
latest_variant)
|
|
return latest_variant
|
|
|
|
# rawhide trees changed to use version=Rawhide in Apr 2016
|
|
if verstr in ["development", "rawhide", "Rawhide"]:
|
|
logging.debug("treeinfo version=%s, using latest_variant=%s",
|
|
verstr, latest_variant)
|
|
return latest_variant
|
|
|
|
# treeinfo version is just an integer
|
|
variant = "fedora" + verstr
|
|
if OSDB.lookup_os(variant):
|
|
return variant
|
|
|
|
logging.debug("variant=%s from treeinfo version=%s not found, "
|
|
"using latest_variant=%s", variant, verstr, latest_variant)
|
|
return latest_variant
|
|
|
|
|
|
class _RHELDistro(_DistroTree):
|
|
PRETTY_NAME = "Red Hat Enterprise Linux"
|
|
matching_distros = ["rhel"]
|
|
_variant_prefix = "rhel"
|
|
|
|
@classmethod
|
|
def is_valid(cls, cache):
|
|
# Matches:
|
|
# Red Hat Enterprise Linux
|
|
# RHEL Atomic Host
|
|
famregex = ".*(Red Hat Enterprise Linux|RHEL).*"
|
|
return cache.treeinfo_family_regex(famregex)
|
|
|
|
def _detect_version(self):
|
|
if not self.cache.treeinfo_version:
|
|
logging.debug("No treeinfo version? Not setting an os_variant")
|
|
return
|
|
|
|
version, update = self.cache.split_version()
|
|
|
|
# start with example base=rhel7, then walk backwards
|
|
# through the OS list to find the latest os name that matches
|
|
# this way we handle rhel7.6 from treeinfo when osdict only
|
|
# knows about rhel7.5
|
|
base = self._variant_prefix + str(version)
|
|
while update >= 0:
|
|
tryvar = base + ".%s" % update
|
|
if OSDB.lookup_os(tryvar):
|
|
return tryvar
|
|
update -= 1
|
|
|
|
|
|
class _CentOSDistro(_RHELDistro):
|
|
PRETTY_NAME = "CentOS"
|
|
matching_distros = ["centos"]
|
|
_variant_prefix = "centos"
|
|
|
|
@classmethod
|
|
def is_valid(cls, cache):
|
|
famregex = ".*(CentOS|Scientific).*"
|
|
return cache.treeinfo_family_regex(famregex)
|
|
|
|
|
|
class _SuseDistro(_RHELDistro):
|
|
PRETTY_NAME = None
|
|
_suse_regex = []
|
|
matching_distros = []
|
|
_variant_prefix = NotImplementedError
|
|
famregex = NotImplementedError
|
|
|
|
@classmethod
|
|
def is_valid(cls, cache):
|
|
if cache.treeinfo_family_regex(cls.famregex):
|
|
return True
|
|
|
|
if not cache.checked_for_suse_content:
|
|
cache.checked_for_suse_content = True
|
|
content_str = cache.acquire_file_content("content")
|
|
if content_str is None:
|
|
return False
|
|
|
|
try:
|
|
cache.suse_content = _SUSEContent(content_str)
|
|
except Exception as e:
|
|
logging.debug("Error parsing SUSE content file: %s", str(e))
|
|
return False
|
|
|
|
if not cache.suse_content:
|
|
return False
|
|
for regex in cls._suse_regex:
|
|
if re.match(regex, cache.suse_content.product_name):
|
|
return True
|
|
return False
|
|
|
|
def _set_manual_kernel_paths(self):
|
|
# We only reach here if no treeinfo was matched
|
|
tree_arch = self.cache.suse_content.tree_arch
|
|
|
|
if re.match(r'i[4-9]86', tree_arch):
|
|
tree_arch = 'i386'
|
|
|
|
oldkern = "linux"
|
|
oldinit = "initrd"
|
|
if tree_arch == "x86_64":
|
|
oldkern += "64"
|
|
oldinit += "64"
|
|
|
|
if self.type == "xen":
|
|
# Matches Opensuse > 10.2 and sles 10
|
|
self._kernel_paths.append(
|
|
("boot/%s/vmlinuz-xen" % tree_arch,
|
|
"boot/%s/initrd-xen" % tree_arch))
|
|
|
|
if (tree_arch == "s390x" and
|
|
str(self._os_variant).startswith(("sles11", "sled11"))):
|
|
self._kernel_paths.append(
|
|
("boot/s390x/vmrdr.ikr", "boot/s390x/initrd"))
|
|
|
|
# Tested with SLES 12 for ppc64le, all s390x
|
|
self._kernel_paths.append(
|
|
("boot/%s/linux" % tree_arch,
|
|
"boot/%s/initrd" % tree_arch))
|
|
# Tested with Opensuse 10.0
|
|
self._kernel_paths.append(
|
|
("boot/loader/%s" % oldkern,
|
|
"boot/loader/%s" % oldinit))
|
|
# Tested with Opensuse >= 10.2, 11, and sles 10
|
|
self._kernel_paths.append(
|
|
("boot/%s/loader/linux" % tree_arch,
|
|
"boot/%s/loader/initrd" % tree_arch))
|
|
|
|
def _detect_osdict_from_suse_content(self):
|
|
if not self.cache.suse_content:
|
|
return
|
|
|
|
distro_version = self.cache.suse_content.product_version
|
|
if not distro_version:
|
|
return
|
|
|
|
version = distro_version.split('.', 1)[0].strip()
|
|
if len(version) == 8:
|
|
# Tumbleweed 8 digit date
|
|
return "opensusetumbleweed"
|
|
|
|
if int(version) < 10:
|
|
return self._variant_prefix + "9"
|
|
|
|
if str(self._variant_prefix).startswith(("sles", "sled")):
|
|
sp_version = ""
|
|
if len(distro_version.split('.', 1)) == 2:
|
|
sp_version = 'sp' + distro_version.split('.', 1)[1].strip()
|
|
|
|
return self._variant_prefix + version + sp_version
|
|
|
|
return self._variant_prefix + distro_version
|
|
|
|
def _detect_osdict_from_url(self):
|
|
root = "opensuse"
|
|
oses = [n for n in OSDB.list_os() if n.name.startswith(root)]
|
|
|
|
for osobj in oses:
|
|
codename = osobj.name[len(root):]
|
|
if re.search("/%s/" % codename, self.uri):
|
|
return osobj.name
|
|
|
|
def _detect_from_treeinfo(self):
|
|
if not self.cache.treeinfo_name:
|
|
return
|
|
if re.search("openSUSE Tumbleweed", self.cache.treeinfo_name):
|
|
return "opensusetumbleweed"
|
|
|
|
version, update = self.cache.split_version()
|
|
base = self._variant_prefix + str(version)
|
|
while update >= 0:
|
|
tryvar = base
|
|
# SLE doesn't use '.0' for initial releases in
|
|
# osinfo-db (sles11, sles12, etc)
|
|
if update > 0 or not base.startswith('sle'):
|
|
tryvar += ".%s" % update
|
|
if OSDB.lookup_os(tryvar):
|
|
return tryvar
|
|
update -= 1
|
|
|
|
def _detect_version(self):
|
|
var = self._detect_from_treeinfo()
|
|
if not var:
|
|
var = self._detect_osdict_from_url()
|
|
if not var:
|
|
var = self._detect_osdict_from_suse_content()
|
|
return var
|
|
|
|
|
|
class _SLESDistro(_SuseDistro):
|
|
PRETTY_NAME = "SLES"
|
|
matching_distros = ["sles"]
|
|
_variant_prefix = "sles"
|
|
_suse_regex = [".*SUSE Linux Enterprise Server*", ".*SUSE SLES*"]
|
|
famregex = ".*SUSE Linux Enterprise.*"
|
|
|
|
|
|
class _SLEDDistro(_SuseDistro):
|
|
PRETTY_NAME = "SLED"
|
|
matching_distros = ["sled"]
|
|
_variant_prefix = "sled"
|
|
_suse_regex = [".*SUSE Linux Enterprise Desktop*"]
|
|
famregex = ".*SUSE Linux Enterprise.*"
|
|
|
|
|
|
class _OpensuseDistro(_SuseDistro):
|
|
PRETTY_NAME = "openSUSE"
|
|
matching_distros = ["opensuse"]
|
|
_variant_prefix = "opensuse"
|
|
_suse_regex = [".*openSUSE.*"]
|
|
famregex = ".*openSUSE.*"
|
|
|
|
|
|
class _DebianDistro(_DistroTree):
|
|
# ex. http://ftp.egr.msu.edu/debian/dists/sarge/main/installer-i386/
|
|
# daily builds: https://d-i.debian.org/daily-images/amd64/
|
|
PRETTY_NAME = "Debian"
|
|
matching_distros = ["debian"]
|
|
_debname = "debian"
|
|
|
|
@classmethod
|
|
def is_valid(cls, cache):
|
|
def check_manifest(mfile):
|
|
is_ubuntu = cls._debname == "ubuntu"
|
|
if cache.content_regex(mfile, ".*[Uu]buntu.*"):
|
|
return is_ubuntu
|
|
return cache.content_regex(mfile, ".*[Dd]ebian.*")
|
|
|
|
media_type = None
|
|
if check_manifest("current/images/MANIFEST"):
|
|
media_type = "url"
|
|
elif check_manifest("daily/MANIFEST"):
|
|
media_type = "daily"
|
|
elif cache.content_regex(".disk/info",
|
|
"%s.*" % cls._debname.capitalize()):
|
|
# There's two cases here:
|
|
# 1) Direct access ISO, attached as CDROM afterwards. We
|
|
# use one set of kernels in that case which seem to
|
|
# assume the prescence of CDROM media
|
|
# 2) ISO mounted and exported over URL. We use a different
|
|
# set of kernels that expect to boot from the network
|
|
if cache.fetcher_is_iso():
|
|
media_type = "disk"
|
|
else:
|
|
media_type = "mounted_iso_url"
|
|
|
|
if media_type:
|
|
cache.debian_media_type = media_type
|
|
return bool(media_type)
|
|
|
|
|
|
def _set_manual_kernel_paths(self):
|
|
if self.cache.debian_media_type == "disk":
|
|
self._set_installcd_paths()
|
|
else:
|
|
self._set_url_paths()
|
|
|
|
|
|
def _find_treearch(self):
|
|
for pattern in [r"^.*/installer-(\w+)/?$",
|
|
r"^.*/daily-images/(\w+)/?$"]:
|
|
arch = re.findall(pattern, self.uri)
|
|
if not arch:
|
|
continue
|
|
logging.debug("Found pattern=%s treearch=%s in uri",
|
|
pattern, arch[0])
|
|
return arch[0]
|
|
|
|
# Check for standard arch strings which will be
|
|
# in the URI name for --location $ISO mounts
|
|
for arch in ["i386", "amd64", "x86_64", "arm64"]:
|
|
if arch in self.uri:
|
|
logging.debug("Found treearch=%s in uri", arch)
|
|
if arch == "x86_64":
|
|
arch = "amd64"
|
|
return arch
|
|
|
|
# Otherwise default to i386
|
|
arch = "i386"
|
|
logging.debug("No treearch found in uri, defaulting to arch=%s", arch)
|
|
return arch
|
|
|
|
def _set_url_paths(self):
|
|
url_prefix = "current/images"
|
|
if self.cache.debian_media_type == "daily":
|
|
url_prefix = "daily"
|
|
elif self.cache.debian_media_type == "mounted_iso_url":
|
|
url_prefix = "install"
|
|
|
|
tree_arch = self._find_treearch()
|
|
hvmroot = "%s/netboot/%s-installer/%s/" % (url_prefix,
|
|
self._debname, tree_arch)
|
|
initrd_basename = "initrd.gz"
|
|
kernel_basename = "linux"
|
|
if tree_arch in ["ppc64el"]:
|
|
kernel_basename = "vmlinux"
|
|
|
|
if tree_arch == "s390x":
|
|
hvmroot = "%s/generic/" % url_prefix
|
|
kernel_basename = "kernel.%s" % self._debname
|
|
initrd_basename = "initrd.%s" % self._debname
|
|
|
|
|
|
if self.type == "xen":
|
|
xenroot = "%s/netboot/xen/" % url_prefix
|
|
self._kernel_paths.append(
|
|
(xenroot + "vmlinuz", xenroot + "initrd.gz"))
|
|
self._kernel_paths.append(
|
|
(hvmroot + kernel_basename, hvmroot + initrd_basename))
|
|
|
|
def _set_installcd_paths(self):
|
|
if self._debname == "ubuntu":
|
|
if not self.arch == "s390x":
|
|
kpair = ("install/vmlinuz", "install/initrd.gz")
|
|
else:
|
|
kpair = ("boot/kernel.ubuntu", "boot/initrd.ubuntu")
|
|
elif self.arch == "x86_64":
|
|
kpair = ("install.amd/vmlinuz", "install.amd/initrd.gz")
|
|
elif self.arch == "i686":
|
|
kpair = ("install.386/vmlinuz", "install.386/initrd.gz")
|
|
elif self.arch == "aarch64":
|
|
kpair = ("install.a64/vmlinuz", "install.a64/initrd.gz")
|
|
elif self.arch == "ppc64le":
|
|
kpair = ("install/vmlinux", "install/initrd.gz")
|
|
elif self.arch == "s390x":
|
|
kpair = ("boot/linux_vm", "boot/root.bin")
|
|
else:
|
|
kpair = ("install/vmlinuz", "install/initrd.gz")
|
|
self._kernel_paths += [kpair]
|
|
return True
|
|
|
|
def _detect_version(self):
|
|
oses = [n for n in OSDB.list_os() if n.name.startswith(self._debname)]
|
|
|
|
if self.cache.debian_media_type == "daily":
|
|
logging.debug("Appears to be debian 'daily' URL, using latest "
|
|
"debian OS")
|
|
return oses[0].name
|
|
|
|
for osobj in oses:
|
|
if osobj.codename:
|
|
# Ubuntu codenames look like 'Warty Warthog'
|
|
codename = osobj.codename.split()[0].lower()
|
|
else:
|
|
if " " not in osobj.label:
|
|
continue
|
|
# Debian labels look like 'Debian Sarge'
|
|
codename = osobj.label.split()[1].lower()
|
|
|
|
if ("/%s/" % codename) in self.uri:
|
|
logging.debug("Found codename=%s in the URL string", codename)
|
|
return osobj.name
|
|
|
|
|
|
class _UbuntuDistro(_DebianDistro):
|
|
# https://archive.ubuntu.com/ubuntu/dists/natty/main/installer-amd64/
|
|
PRETTY_NAME = "Ubuntu"
|
|
matching_distros = ["ubuntu"]
|
|
_debname = "ubuntu"
|
|
|
|
|
|
class _ALTLinuxDistro(_DistroTree):
|
|
PRETTY_NAME = "ALT Linux"
|
|
matching_distros = ["altlinux"]
|
|
|
|
def _set_manual_kernel_paths(self):
|
|
self._kernel_paths = [
|
|
("syslinux/alt0/vmlinuz", "syslinux/alt0/full.cz")]
|
|
|
|
@classmethod
|
|
def is_valid(cls, cache):
|
|
# altlinux doesn't have installable URLs, so this is just for ISO
|
|
return cache.content_regex(".disk/info", ".*ALT .*")
|
|
|
|
|
|
class _MandrivaDistro(_DistroTree):
|
|
# ftp://ftp.uwsg.indiana.edu/linux/mandrake/official/2007.1/x86_64/
|
|
PRETTY_NAME = "Mandriva/Mageia"
|
|
matching_distros = ["mandriva", "mes"]
|
|
|
|
@classmethod
|
|
def is_valid(cls, cache):
|
|
return cache.content_regex("VERSION", ".*(Mandriva|Mageia).*")
|
|
|
|
def _set_manual_kernel_paths(self):
|
|
# At least Mageia 5 uses arch in the names
|
|
self._kernel_paths += [
|
|
("isolinux/%s/vmlinuz" % self.arch,
|
|
"isolinux/%s/all.rdz" % self.arch)]
|
|
|
|
# Kernels for HVM: valid for releases 2007.1, 2008.*, 2009.0
|
|
self._kernel_paths += [
|
|
("isolinux/alt0/vmlinuz", "isolinux/alt0/all.rdz")]
|
|
|
|
|
|
class _GenericTreeinfoDistro(_DistroTree):
|
|
"""
|
|
Generic catchall class for .treeinfo using distros
|
|
"""
|
|
PRETTY_NAME = "Generic Treeinfo"
|
|
matching_distros = []
|
|
|
|
@classmethod
|
|
def is_valid(cls, cache):
|
|
if cache.treeinfo:
|
|
cache.treeinfo_matched = True
|
|
return True
|
|
return False
|
|
|
|
|
|
class _LibosinfoDistro(_DistroTree):
|
|
"""
|
|
For ISO media detection that was fully handled by libosinfo
|
|
"""
|
|
PRETTY_NAME = "Libosinfo detected"
|
|
matching_distros = []
|
|
|
|
@classmethod
|
|
def is_valid(cls, cache):
|
|
if cache.fetcher_is_iso():
|
|
return cache.guess_os_from_iso()
|
|
return False
|
|
|
|
def _set_manual_kernel_paths(self):
|
|
self._kernel_paths += [
|
|
(self.cache.libosinfo_mediaobj.get_kernel_path(),
|
|
self.cache.libosinfo_mediaobj.get_initrd_path())
|
|
]
|
|
|
|
|
|
# Build list of all *Distro classes
|
|
def _build_distro_list():
|
|
allstores = []
|
|
for obj in list(globals().values()):
|
|
if (isinstance(obj, type) and
|
|
issubclass(obj, _DistroTree) and
|
|
obj.PRETTY_NAME):
|
|
allstores.append(obj)
|
|
|
|
# Always stick Libosinfo first, it takes priority
|
|
allstores.remove(_LibosinfoDistro)
|
|
allstores.insert(0, _LibosinfoDistro)
|
|
|
|
# Always stick GenericDistro at the end, since it's a catchall
|
|
allstores.remove(_GenericTreeinfoDistro)
|
|
allstores.append(_GenericTreeinfoDistro)
|
|
|
|
return allstores
|
|
|
|
_allstores = _build_distro_list()
|