/usr/lib/python3/dist-packages/click/chroot.py is in python3-click-package 0.4.43+16.04.20160203-0ubuntu2.
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# Authors: Colin Watson <cjwatson@ubuntu.com>,
# Brian Murray <brian@ubuntu.com>
# Michael Vogt <mvo@ubuntu.com>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 3 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
"""Chroot management for building Click packages."""
from __future__ import print_function
__metaclass__ = type
__all__ = [
"ClickChroot",
"ClickChrootException",
"ClickChrootAlreadyExistsException",
"ClickChrootDoesNotExistException",
]
try:
from urllib.error import URLError
from urllib.request import urlopen
except ImportError:
from urllib2 import URLError, urlopen
import os
import pwd
import re
import shutil
import stat
import subprocess
import sys
from textwrap import dedent
from xml.etree import ElementTree
framework_base = {
"ubuntu-sdk-13.10": "ubuntu-sdk-13.10",
# 14.04
"ubuntu-sdk-14.04-html": "ubuntu-sdk-14.04",
"ubuntu-sdk-14.04-papi": "ubuntu-sdk-14.04",
"ubuntu-sdk-14.04-qml": "ubuntu-sdk-14.04",
# 14.10
"ubuntu-sdk-14.10-html": "ubuntu-sdk-14.10",
"ubuntu-sdk-14.10-papi": "ubuntu-sdk-14.10",
"ubuntu-sdk-14.10-qml": "ubuntu-sdk-14.10",
# 15.04
"ubuntu-sdk-15.04-html": "ubuntu-sdk-15.04",
"ubuntu-sdk-15.04-papi": "ubuntu-sdk-15.04",
"ubuntu-sdk-15.04-qml": "ubuntu-sdk-15.04",
# 15.10
"ubuntu-sdk-15.10-html-dev1": "ubuntu-sdk-15.10-dev1",
"ubuntu-sdk-15.10-papi-dev1": "ubuntu-sdk-15.10-dev1",
"ubuntu-sdk-15.10-qml-dev1": "ubuntu-sdk-15.10-dev1",
}
framework_series = {
"ubuntu-sdk-13.10": "saucy",
"ubuntu-sdk-14.04": "trusty",
"ubuntu-sdk-14.10": "utopic",
"ubuntu-sdk-15.04": "vivid",
"ubuntu-sdk-15.10": "wily",
}
# Please keep the lists of package names sorted.
extra_packages = {
"ubuntu-sdk-13.10": [
"libqt5opengl5-dev:{TARGET}",
"libqt5svg5-dev:{TARGET}",
"libqt5v8-5-dev:{TARGET}",
"libqt5webkit5-dev:{TARGET}",
"libqt5xmlpatterns5-dev:{TARGET}",
"qmlscene:{TARGET}",
"qt3d5-dev:{TARGET}",
"qt5-default:{TARGET}",
"qt5-qmake:{TARGET}",
"qtbase5-dev:{TARGET}",
"qtdeclarative5-dev:{TARGET}",
"qtmultimedia5-dev:{TARGET}",
"qtquick1-5-dev:{TARGET}",
"qtscript5-dev:{TARGET}",
"qtsensors5-dev:{TARGET}",
"qttools5-dev:{TARGET}",
"ubuntu-ui-toolkit-doc",
],
"ubuntu-sdk-14.04": [
"cmake",
"google-mock:{TARGET}",
"intltool",
"libboost1.54-dev:{TARGET}",
"libjsoncpp-dev:{TARGET}",
"libprocess-cpp-dev:{TARGET}",
"libproperties-cpp-dev:{TARGET}",
"libqt5svg5-dev:{TARGET}",
"libqt5webkit5-dev:{TARGET}",
"libqt5xmlpatterns5-dev:{TARGET}",
"libunity-scopes-dev:{TARGET}",
# bug #1316930, needed for autopilot
"python3",
"qmlscene:{TARGET}",
"qt3d5-dev:{TARGET}",
"qt5-default:{TARGET}",
"qtbase5-dev:{TARGET}",
"qtdeclarative5-dev:{TARGET}",
"qtdeclarative5-dev-tools",
"qtlocation5-dev:{TARGET}",
"qtmultimedia5-dev:{TARGET}",
"qtscript5-dev:{TARGET}",
"qtsensors5-dev:{TARGET}",
"qttools5-dev:{TARGET}",
"qttools5-dev-tools:{TARGET}",
"ubuntu-ui-toolkit-doc",
],
"ubuntu-sdk-14.10": [
"cmake",
"cmake-extras",
"google-mock:{TARGET}",
"intltool",
"libboost1.55-dev:{TARGET}",
"libcontent-hub-dev:{TARGET}",
"libjsoncpp-dev:{TARGET}",
"libnet-cpp-dev:{TARGET}",
"libprocess-cpp-dev:{TARGET}",
"libproperties-cpp-dev:{TARGET}",
"libqt5keychain0:{TARGET}",
"libqt5sensors5-dev:{TARGET}",
"libqt5svg5-dev:{TARGET}",
"libqt5webkit5-dev:{TARGET}",
"libqt5xmlpatterns5-dev:{TARGET}",
"libunity-scopes-dev:{TARGET}",
# bug #1316930, needed for autopilot
"python3",
"qml-module-qt-labs-settings:{TARGET}",
"qml-module-qtmultimedia:{TARGET}",
"qml-module-qtquick-layouts:{TARGET}",
"qml-module-qtsensors:{TARGET}",
"qml-module-qtwebkit:{TARGET}",
"qmlscene:{TARGET}",
"qt3d5-dev:{TARGET}",
"qt5-default:{TARGET}",
"qtdeclarative5-accounts-plugin:{TARGET}",
"qtdeclarative5-dev-tools",
"qtdeclarative5-folderlistmodel-plugin:{TARGET}",
"qtdeclarative5-localstorage-plugin:{TARGET}",
"qtdeclarative5-online-accounts-client0.1:{TARGET}",
"qtdeclarative5-particles-plugin:{TARGET}",
"qtdeclarative5-poppler1.0:{TARGET}",
"qtdeclarative5-qtlocation-plugin:{TARGET}",
"qtdeclarative5-qtorganizer-plugin:{TARGET}",
"qtdeclarative5-qtpositioning-plugin:{TARGET}",
"qtdeclarative5-u1db1.0:{TARGET}",
"qtdeclarative5-ubuntu-content0.1:{TARGET}",
"qtdeclarative5-ubuntu-download-manager0.1:{TARGET}",
"qtdeclarative5-ubuntu-mediascanner0.1:{TARGET}",
"qtdeclarative5-ubuntu-syncmonitor0.1:{TARGET}",
"qtdeclarative5-ubuntu-telephony-phonenumber0.1:{TARGET}",
"qtdeclarative5-ubuntu-ui-toolkit-plugin:{TARGET}",
"qtdeclarative5-usermetrics0.1:{TARGET}",
"qtdeclarative5-xmllistmodel-plugin:{TARGET}",
"qtlocation5-dev:{TARGET}",
"qtmultimedia5-dev:{TARGET}",
"qtscript5-dev:{TARGET}",
"qttools5-dev:{TARGET}",
"qttools5-dev-tools:{TARGET}",
"ubuntu-html5-theme:{TARGET}",
"ubuntu-ui-toolkit-doc",
],
"ubuntu-sdk-15.04": [
# the sdk libs
"ubuntu-sdk-libs:{TARGET}",
"ubuntu-sdk-libs-dev:{TARGET}",
# the native build tools
"ubuntu-sdk-libs-tools",
# FIXME: see
# http://pad.lv/~mvo/oxide/crossbuild-friendly/+merge/234093
# we help the apt resolver here until the
# oxideqt-codecs/oxidec-codecs-extras is sorted
"oxideqt-codecs-extra",
],
"ubuntu-sdk-15.10-dev1": [
# the sdk libs
"ubuntu-sdk-libs:{TARGET}",
"ubuntu-sdk-libs-dev:{TARGET}",
# the native build tools
"ubuntu-sdk-libs-tools",
# FIXME: see
# http://pad.lv/~mvo/oxide/crossbuild-friendly/+merge/234093
# we help the apt resolver here until the
# oxideqt-codecs/oxidec-codecs-extras is sorted
"oxideqt-codecs-extra",
],
}
primary_arches = ["amd64", "i386"]
non_meta_re = re.compile(r'^[a-zA-Z0-9+,./:=@_-]+$')
GEOIP_SERVER = "http://geoip.ubuntu.com/lookup"
overlay_ppa = "ci-train-ppa-service/stable-phone-overlay"
def get_geoip_country_code_prefix():
click_no_local_mirror = os.environ.get('CLICK_NO_LOCAL_MIRROR', 'auto')
if click_no_local_mirror == '1':
return ""
try:
with urlopen(GEOIP_SERVER) as f:
xml_data = f.read()
et = ElementTree.fromstring(xml_data)
cc = et.find("CountryCode")
if not cc:
return ""
return cc.text.lower()+"."
except (ElementTree.ParseError, URLError):
pass
return ""
def generate_sources(series, native_arch, target_arch,
archive_mirror, ports_mirror, components):
"""Generate a list of strings for apts sources.list.
Arguments:
series -- the distro series (e.g. vivid)
native_arch -- the native architecture (e.g. amd64)
target_arch -- the target architecture (e.g. armhf)
archive_mirror -- main mirror, e.g. http://archive.ubuntu.com/ubuntu
ports_mirror -- ports mirror, e.g. http://ports.ubuntu.com/ubuntu-ports
components -- the components as string, e.g. "main restricted universe"
"""
pockets = ['%s' % series]
for pocket in ['updates', 'security']:
pockets.append('%s-%s' % (series, pocket))
sources = []
# write binary lines
arches = [target_arch]
if native_arch != target_arch:
arches.append(native_arch)
for arch in arches:
if arch not in primary_arches:
mirror = ports_mirror
else:
mirror = archive_mirror
for pocket in pockets:
sources.append("deb [arch=%s] %s %s %s" %
(arch, mirror, pocket, components))
# write source lines
for pocket in pockets:
sources.append("deb-src %s %s %s" %
(archive_mirror, pocket, components))
return sources
def shell_escape(command):
escaped = []
for arg in command:
if non_meta_re.match(arg):
escaped.append(arg)
else:
escaped.append("'%s'" % arg.replace("'", "'\\''"))
return " ".join(escaped)
def strip_dev_series_from_framework(framework):
"""Remove trailing -dev[0-9]+ from a framework name"""
return re.sub(r'^(.*)-dev[0-9]+$', r'\1', framework)
class ClickChrootException(Exception):
"""A generic issue with the chroot"""
pass
class ClickChrootAlreadyExistsException(ClickChrootException):
"""The chroot already exists"""
pass
class ClickChrootDoesNotExistException(ClickChrootException):
"""A chroot with that name does not exist yet"""
pass
class ClickChroot:
DAEMON_POLICY = dedent("""\
#!/bin/sh
while true; do
case "$1" in
-*) shift ;;
makedev) exit 0;;
x11-common) exit 0;;
*) exit 101;;
esac
done
""")
def __init__(self, target_arch, framework, name=None, series=None,
session=None, chroots_dir=None):
self.target_arch = target_arch
self.framework = strip_dev_series_from_framework(framework)
if name is None:
name = "click"
self.name = name
if series is None:
series = framework_series[self.framework_base]
self.series = series
self.session = session
system_arch = subprocess.check_output(
["dpkg", "--print-architecture"],
universal_newlines=True).strip()
self.native_arch = self._get_native_arch(system_arch, self.target_arch)
if chroots_dir is None:
chroots_dir = "/var/lib/schroot/chroots"
self.chroots_dir = chroots_dir
if "SUDO_USER" in os.environ:
self.user = os.environ["SUDO_USER"]
elif "PKEXEC_UID" in os.environ:
self.user = pwd.getpwuid(int(os.environ["PKEXEC_UID"])).pw_name
else:
self.user = pwd.getpwuid(os.getuid()).pw_name
self.dpkg_architecture = self._dpkg_architecture()
def _get_native_arch(self, system_arch, target_arch):
"""Determine the proper native architecture for a chroot.
Some combinations of system and target architecture do not require
cross-building, so in these cases we just create a chroot suitable
for native building.
"""
if (system_arch, target_arch) in (
("amd64", "i386"),
# This will only work if the system is running a 64-bit
# kernel; but there's no alternative since no i386-to-amd64
# cross-compiler is available in the Ubuntu archive.
("i386", "amd64"),
):
return target_arch
else:
return system_arch
def _dpkg_architecture(self):
dpkg_architecture = {}
command = ["dpkg-architecture", "-a%s" % self.target_arch]
env = dict(os.environ)
env["CC"] = "true"
# Force dpkg-architecture to recalculate everything rather than
# picking up values from the environment, which will be present when
# running the test suite under dpkg-buildpackage.
for key in list(env):
if key.startswith("DEB_BUILD_") or key.startswith("DEB_HOST_"):
del env[key]
lines = subprocess.check_output(
command, env=env, universal_newlines=True).splitlines()
for line in lines:
try:
key, value = line.split("=", 1)
except ValueError:
continue
dpkg_architecture[key] = value
if self.native_arch == self.target_arch:
# We may have overridden the native architecture (see
# _get_native_arch above), so we need to force DEB_BUILD_* to
# match.
for key in list(dpkg_architecture):
if key.startswith("DEB_HOST_"):
new_key = "DEB_BUILD_" + key[len("DEB_HOST_"):]
dpkg_architecture[new_key] = dpkg_architecture[key]
return dpkg_architecture
def _generate_chroot_config(self, mount):
admin_user = "root"
users = []
for key in ("users", "root-users", "source-root-users"):
users.append("%s=%s,%s" % (key, admin_user, self.user))
with open(self.chroot_config, "w") as target:
target.write(dedent("""\
[{full_name}]
description=Build chroot for click packages on {target_arch}
{users}
type=directory
profile=default
setup.fstab=click/fstab
# Not protocols or services see
# debian bug 557730
setup.nssdatabases=sbuild/nssdatabases
union-type=overlayfs
directory={mount}
""").format(full_name=self.full_name,
target_arch=self.target_arch,
users="\n".join(users),
mount=mount))
def _generate_daemon_policy(self, mount):
daemon_policy = "%s/usr/sbin/policy-rc.d" % mount
with open(daemon_policy, "w") as policy:
policy.write(self.DAEMON_POLICY)
return daemon_policy
def _generate_apt_proxy_file(self, mount, proxy):
apt_conf_d = os.path.join(mount, "etc", "apt", "apt.conf.d")
if not os.path.exists(apt_conf_d):
os.makedirs(apt_conf_d)
apt_conf_f = os.path.join(apt_conf_d, "99-click-chroot-proxy")
if proxy:
with open(apt_conf_f, "w") as f:
f.write(dedent("""\
// proxy settings copied by click chroot
Acquire {
HTTP {
Proxy "%s";
};
};
""") % proxy)
return apt_conf_f
def _generate_finish_script(self, mount, build_pkgs):
finish_script = "%s/finish.sh" % mount
with open(finish_script, 'w') as finish:
finish.write(dedent("""\
#!/bin/bash
set -e
# Configure target arch
dpkg --add-architecture {target_arch}
# Reload package lists
apt-get update || true
# Pull down signature requirements
apt-get -y --force-yes install gnupg ubuntu-keyring
""").format(target_arch=self.target_arch))
if self.series == "vivid":
finish.write(dedent("""\
apt-get -y --force-yes install software-properties-common
add-apt-repository -y ppa:{ppa}
echo "Package: *" \
> /etc/apt/preferences.d/stable-phone-overlay.pref
echo \
"Pin: release o=LP-PPA-{pin_ppa}" \
>> /etc/apt/preferences.d/stable-phone-overlay.pref
echo "Pin-Priority: 1001" \
>> /etc/apt/preferences.d/stable-phone-overlay.pref
""").format(ppa=overlay_ppa,
pin_ppa=re.sub('/', '-', overlay_ppa)))
finish.write(dedent("""\
# Reload package lists
apt-get update || true
# Disable debconf questions
# so that automated builds won't prompt
echo set debconf/frontend Noninteractive | debconf-communicate
echo set debconf/priority critical | debconf-communicate
apt-get -y --force-yes dist-upgrade
# Install basic build tool set to match buildd
apt-get -y --force-yes install {build_pkgs}
# Set up expected /dev entries
if [ ! -r /dev/stdin ]; then
ln -s /proc/self/fd/0 /dev/stdin
fi
if [ ! -r /dev/stdout ]; then
ln -s /proc/self/fd/1 /dev/stdout
fi
if [ ! -r /dev/stderr ]; then
ln -s /proc/self/fd/2 /dev/stderr
fi
# Clean up
rm /finish.sh
apt-get clean
""").format(build_pkgs=' '.join(build_pkgs)))
return finish_script
def _debootstrap(self, components, mount, archive_mirror, ports_mirror):
if self.native_arch in primary_arches:
mirror = archive_mirror
else:
mirror = ports_mirror
subprocess.check_call([
"debootstrap",
"--arch", self.native_arch,
"--variant=buildd",
"--components=%s" % ','.join(components),
self.series,
mount,
mirror,
])
@property
def framework_base(self):
if self.framework in framework_base:
return framework_base[self.framework]
else:
return self.framework
@property
def full_name(self):
return "%s-%s-%s" % (self.name, self.framework_base, self.target_arch)
@property
def full_session_name(self):
return "%s-%s" % (self.full_name, self.session)
@property
def chroot_config(self):
return "/etc/schroot/chroot.d/%s" % self.full_name
def exists(self):
command = ["schroot", "-c", self.full_name, "-i"]
with open("/dev/null", "w") as devnull:
return subprocess.call(
command, stdout=devnull, stderr=devnull) == 0
def _make_executable(self, path):
mode = stat.S_IMODE(os.stat(path).st_mode)
os.chmod(path, mode | stat.S_IXUSR | stat.S_IXGRP | stat.S_IXOTH)
def _make_cross_package(self, prefix):
if self.native_arch == self.target_arch:
return prefix
else:
target_tuple = self.dpkg_architecture["DEB_HOST_GNU_TYPE"]
return "%s-%s" % (prefix, target_tuple)
def create(self, keep_broken_chroot_on_fail=False):
if self.exists():
raise ClickChrootAlreadyExistsException(
"Chroot %s already exists" % self.full_name)
components = ["main", "restricted", "universe", "multiverse"]
mount = "%s/%s" % (self.chroots_dir, self.full_name)
proxy = None
if not proxy and "http_proxy" in os.environ:
proxy = os.environ["http_proxy"]
if not proxy:
proxy = subprocess.check_output(
'unset x; eval "$(apt-config shell x Acquire::HTTP::Proxy)"; \
echo "$x"',
shell=True, universal_newlines=True).strip()
build_pkgs = [
# sort alphabetically
"apt-utils",
"build-essential",
"cmake",
"dpkg-cross",
"fakeroot",
"libc-dev:%s" % self.target_arch,
# build pkg names dynamically
self._make_cross_package("g++"),
self._make_cross_package("pkg-config"),
]
for package in extra_packages.get(self.framework_base, []):
package = package.format(TARGET=self.target_arch)
build_pkgs.append(package)
os.makedirs(mount)
country_code = get_geoip_country_code_prefix()
archive_mirror = "http://%sarchive.ubuntu.com/ubuntu" % country_code
ports_mirror = "http://%sports.ubuntu.com/ubuntu-ports" % country_code
# this doesn't work because we are running this under sudo
if 'DEBOOTSTRAP_MIRROR' in os.environ:
archive_mirror = os.environ['DEBOOTSTRAP_MIRROR']
self._debootstrap(components, mount, archive_mirror, ports_mirror)
sources = generate_sources(self.series, self.native_arch,
self.target_arch,
archive_mirror, ports_mirror,
' '.join(components))
with open("%s/etc/apt/sources.list" % mount, "w") as sources_list:
for line in sources:
print(line, file=sources_list)
shutil.copy2("/etc/localtime", "%s/etc/" % mount)
shutil.copy2("/etc/timezone", "%s/etc/" % mount)
self._generate_chroot_config(mount)
daemon_policy = self._generate_daemon_policy(mount)
self._make_executable(daemon_policy)
initctl = "%s/sbin/initctl" % mount
if os.path.exists(initctl):
os.remove(initctl)
os.symlink("%s/bin/true" % mount, initctl)
self._generate_apt_proxy_file(mount, proxy)
finish_script = self._generate_finish_script(mount, build_pkgs)
self._make_executable(finish_script)
command = ["/finish.sh"]
ret_code = self.maint(*command)
if ret_code != 0 and not keep_broken_chroot_on_fail:
# cleanup on failure
self.destroy()
raise ClickChrootException(
"Failed to create chroot '{}' (exit status {})".format(
self.full_name, ret_code))
return ret_code
def run(self, *args):
if not self.exists():
raise ClickChrootDoesNotExistException(
"Chroot %s does not exist" % self.full_name)
command = ["schroot", "-c"]
if self.session:
command.extend([self.full_session_name, "--run-session"])
else:
command.append(self.full_name)
command.extend(["--", "env"])
for key, value in self.dpkg_architecture.items():
command.append("%s=%s" % (key, value))
command.extend(args)
ret = subprocess.call(command)
if ret == 0:
return 0
else:
print("Command returned %d: %s" % (ret, shell_escape(command)),
file=sys.stderr)
return ret
def maint(self, *args):
command = ["schroot", "-u", "root", "-c"]
if self.session:
command.extend([self.full_session_name, "--run-session"])
else:
command.append("source:%s" % self.full_name)
command.append("--")
command.extend(args)
ret = subprocess.call(command)
if ret == 0:
return 0
else:
print("Command returned %d: %s" % (ret, shell_escape(command)),
file=sys.stderr)
return ret
def install(self, *pkgs):
if not self.exists():
raise ClickChrootDoesNotExistException(
"Chroot %s does not exist" % self.full_name)
ret = self.update()
if ret != 0:
return ret
command = ["apt-get", "install", "--yes"]
command.extend(pkgs)
ret = self.maint(*command)
if ret != 0:
return ret
return self.clean()
def clean(self):
command = ["apt-get", "clean"]
return self.maint(*command)
def update(self):
command = ["apt-get", "update", "--yes"]
return self.maint(*command)
def upgrade(self):
if not self.exists():
raise ClickChrootDoesNotExistException(
"Chroot %s does not exist" % self.full_name)
ret = self.update()
if ret != 0:
return ret
command = ["apt-get", "dist-upgrade", "--yes"]
ret = self.maint(*command)
if ret != 0:
return ret
return self.clean()
def destroy(self):
# remove config
if os.path.exists(self.chroot_config):
os.remove(self.chroot_config)
# find all schroot mount points, this is actually quite complicated
mount_dir = os.path.abspath(
os.path.join(self.chroots_dir, "..", "mount"))
needle = os.path.join(mount_dir, self.full_name)
all_mounts = []
with open("/proc/mounts") as f:
for line in f.readlines():
mp = line.split()[1]
if mp.startswith(needle):
all_mounts.append(mp)
# reverse order is important in case of submounts
for mp in sorted(all_mounts, key=len, reverse=True):
subprocess.call(["umount", mp])
# now remove the rest
chroot_dir = "%s/%s" % (self.chroots_dir, self.full_name)
if os.path.exists(chroot_dir):
shutil.rmtree(chroot_dir)
return 0
def begin_session(self):
if not self.exists():
raise ClickChrootDoesNotExistException(
"Chroot %s does not exist" % self.full_name)
command = ["schroot", "-c", self.full_name, "--begin-session",
"--session-name", self.full_session_name]
subprocess.check_call(command)
return 0
def end_session(self):
if not self.exists():
raise ClickChrootDoesNotExistException(
"Chroot %s does not exist" % self.full_name)
command = ["schroot", "-c", self.full_session_name, "--end-session"]
subprocess.check_call(command)
return 0
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