blob: c4bc7e33ad6648950df670211c7238697eb9027a [file] [log] [blame]
# -*- coding: utf-8 -*-
# Copyright 2015 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Utilities for updating and building in the chroot environment."""
from __future__ import print_function
import contextlib
import os
from chromite.lib import constants
from chromite.lib import cros_build_lib
from chromite.lib import cros_logging as logging
from chromite.lib import cros_sdk_lib
from chromite.lib import osutils
from chromite.lib import path_util
from chromite.lib import sysroot_lib
if cros_build_lib.IsInsideChroot():
# These import libraries outside chromite. See
from chromite.scripts import cros_list_modified_packages as workon
from chromite.scripts import cros_setup_toolchains as toolchain
_HOST_PKGS = ('virtual/target-sdk', 'world',)
# This file is useful for doing global (chroot and all board) changes.
# Tweak emerge settings, ebuild env, etc...
# Make sure to append variables unless you really want to clobber all
# existing settings. e.g. You most likely want:
# USE="${USE} foo"
# and *not*:
# USE="foo"
# This also is a good place to setup ACCEPT_LICENSE.
def _GetToolchainPackages():
"""Get a list of host toolchain packages."""
# Load crossdev cache first for faster performance.
packages = toolchain.GetTargetPackages('host')
return [toolchain.GetPortagePackage('host', x) for x in packages]
def GetEmergeCommand(sysroot=None):
"""Returns the emerge command to use for |sysroot| (host if None)."""
cmd = [os.path.join(constants.CHROMITE_BIN_DIR, 'parallel_emerge')]
if sysroot and sysroot != '/':
cmd += ['--sysroot=%s' % sysroot]
return cmd
def Emerge(packages, sysroot, with_deps=True, rebuild_deps=True,
use_binary=True, jobs=None, debug_output=False):
"""Emerge the specified |packages|.
packages: List of packages to emerge.
sysroot: Path to the sysroot in which to emerge.
with_deps: Whether to include dependencies.
rebuild_deps: Whether to rebuild dependencies.
use_binary: Whether to use binary packages.
jobs: Number of jobs to run in parallel.
debug_output: Emit debug level output.
cros_build_lib.RunCommandError: If emerge returns an error.
if not packages:
raise ValueError('No packages provided')
cmd = GetEmergeCommand(sysroot)
modified_packages = workon.ListModifiedWorkonPackages(
if modified_packages is not None:
mod_pkg_list = ' '.join(modified_packages)
cmd += ['--reinstall-atoms=' + mod_pkg_list,
'--usepkg-exclude=' + mod_pkg_list]
cmd.append('--deep' if with_deps else '--nodeps')
if use_binary:
cmd += ['-g', '--with-bdeps=y']
if sysroot == '/':
# Only update toolchains in the chroot when binpkgs are available. The
# toolchain rollout process only takes place when the chromiumos sdk
# builder finishes a successful build and pushes out binpkgs.
cmd += ['--useoldpkg-atoms=%s' % ' '.join(_GetToolchainPackages())]
if rebuild_deps:
if jobs:
cmd.append('--jobs=%d' % jobs)
if debug_output:
cros_build_lib.SudoRunCommand(cmd + packages)
def UpdateChroot(board=None, update_host_packages=True):
"""Update the chroot."""
# Run chroot update hooks.
logging.notice('Updating the chroot. This may take several minutes.')
# Update toolchains.
cmd = [os.path.join(constants.CHROMITE_BIN_DIR, 'cros_setup_toolchains')]
if board:
cmd += ['--targets=boards', '--include-boards=%s' % board]
cros_build_lib.SudoRunCommand(cmd, debug_level=logging.DEBUG)
# Update the host before updating the board.
if update_host_packages:
Emerge(list(_HOST_PKGS), '/', rebuild_deps=False)
# Automatically discard all CONFIG_PROTECT'ed files. Those that are
# protected should not be overwritten until the variable is changed.
# Autodiscard is option "-9" followed by the "YES" confirmation.
cros_build_lib.SudoRunCommand(['etc-update'], input='-9\nYES\n',
def SetupBoard(board, update_chroot=True,
update_host_packages=True, use_binary=True):
"""Set up a sysroot for |board|.
This invokes UpdateChroot() with the given board values, unless
otherwise instructed.
board: Board name to set up a sysroot for.
update_chroot: Whether we should update the chroot first.
update_host_packages: Whether to update host packages in the chroot.
use_binary: If okay to use binary packages during the update.
if update_chroot:
UpdateChroot(board=board, update_host_packages=update_host_packages)
cmd = ['setup_board', '--skip-toolchain-update', '--skip-chroot-upgrade',
'--board=%s' % board]
if not use_binary:
def RunUnittests(sysroot, packages, extra_env=None, verbose=False,
retries=None, jobs=None):
"""Runs the unit tests for |packages|.
sysroot: Path to the sysroot to build the tests in.
packages: List of packages to test.
extra_env: Python dictionary containing the extra environment variable to
pass to the build command.
verbose: If True, show the output from emerge, even when the tests succeed.
retries: Number of time we should retry a failed packages. If None, use
parallel_emerge's default.
jobs: Max number of parallel jobs. (optional)
RunCommandError if the unit tests failed.
env = extra_env.copy() if extra_env else {}
'FEATURES': 'test',
'PKGDIR': os.path.join(sysroot, constants.UNITTEST_PKG_PATH),
command = [os.path.join(constants.CHROMITE_BIN_DIR, 'parallel_emerge'),
'--sysroot=%s' % sysroot]
if verbose:
command += ['--show-output']
if retries is not None:
command += ['--retries=%s' % retries]
if jobs is not None:
command += ['--jobs=%s' % jobs]
command += list(packages)
cros_build_lib.SudoRunCommand(command, extra_env=env, mute_output=False)
def TempDirInChroot(**kwargs):
"""A context to create and use a tempdir inside the chroot.
prefix: See tempfile.mkdtemp documentation.
base_dir: The directory to place the temporary directory in the chroot.
set_global: See osutils.TempDir documentation.
delete: See osutils.TempDir documentation.
sudo_rm: See osutils.TempDir documentation.
A host path (not chroot path) to a tempdir inside the chroot. This tempdir
is cleaned up when exiting the context.
base_dir = kwargs.pop('base_dir', '/tmp')
kwargs['base_dir'] = path_util.FromChrootPath(base_dir)
tempdir = osutils.TempDir(**kwargs)
yield tempdir.tempdir
def CreateMakeConfUser():
"""Create default make.conf.user file in the chroot if it does not exist."""
path = '/etc/make.conf.user'
if not cros_build_lib.IsInsideChroot():
path = path_util.FromChrootPath(path)
if not os.path.exists(path):
osutils.WriteFile(path, _DEFAULT_MAKE_CONF_USER, sudo=True)