def install_ssp(self, ssp_url):
"""Downloads and installs the given server package.
@param ssp_url: The URL of the ssp to download and install.
"""
# The host dir is mounted directly on /usr/local/autotest within the
# container. The SSP structure assumes it gets untarred into the
# /usr/local directory of the container's rootfs. In order to unpack
# with the correct directory structure, create a tmpdir, mount the
# container's host dir as ./autotest, and unpack the SSP.
if not self.is_running():
super(Zygote, self).install_ssp(ssp_url)
return
usr_local_path = os.path.join(self.host_path, 'usr', 'local')
os.makedirs(usr_local_path)
with lxc_utils.TempDir(dir=usr_local_path) as tmpdir:
download_tmp = os.path.join(tmpdir,
'autotest_server_package.tar.bz2')
lxc.download_extract(ssp_url, download_tmp, usr_local_path)
container_ssp_path = os.path.join(
constants.CONTAINER_HOST_DIR,
constants.CONTAINER_AUTOTEST_DIR.lstrip(os.path.sep))
self.attach_run('mkdir -p %s && mount --bind %s %s' %
(constants.CONTAINER_AUTOTEST_DIR, container_ssp_path,
constants.CONTAINER_AUTOTEST_DIR))
def install_ssp(self, ssp_url):
"""Downloads and installs the given server package.
@param ssp_url: The URL of the ssp to download and install.
"""
# The host dir is mounted directly on /usr/local/autotest within the
# container. The SSP structure assumes it gets untarred into the
# /usr/local directory of the container's rootfs. In order to unpack
# with the correct directory structure, create a tmpdir, mount the
# container's host dir as ./autotest, and unpack the SSP.
tmpdir = None
autotest_tmp = None
try:
tmpdir = tempfile.mkdtemp(dir=self.container_path,
prefix='%s.' % self.name,
suffix='.tmp')
autotest_tmp = os.path.join(tmpdir, 'autotest')
os.mkdir(autotest_tmp)
utils.run('sudo mount --bind %s %s' %
(self.host_path, autotest_tmp))
download_tmp = os.path.join(tmpdir,
'autotest_server_package.tar.bz2')
lxc.download_extract(ssp_url, download_tmp, tmpdir)
finally:
if autotest_tmp is not None:
try:
utils.run('sudo umount %s' % autotest_tmp)
except error.CmdError:
logging.exception('Failure while cleaning up SSP tmpdir.')
if tmpdir is not None:
utils.run('sudo rm -rf %s' % tmpdir)
def _download_and_install_base_container(self):
"""Downloads the base image, untars and configures it."""
base_path = os.path.join(self.container_path, self.base_name)
tar_path = os.path.join(self.container_path,
'%s.tar.xz' % self.base_name)
# Force cleanup of any previously downloaded/installed base containers.
# This ensures a clean setup of the new base container.
#
# TODO(kenobi): Add a check to ensure that the base container doesn't
# get deleted while snapshot clones exist (otherwise running tests might
# get disrupted).
path_to_cleanup = [tar_path, base_path]
for path in path_to_cleanup:
if os.path.exists(path):
utils.run('sudo rm -rf "%s"' % path)
container_url = constants.CONTAINER_BASE_URL_FMT % self.base_name
lxc.download_extract(container_url, tar_path, self.container_path)
# Remove the downloaded container tar file.
utils.run('sudo rm "%s"' % tar_path)
# Update container config with container_path from global config.
config_path = os.path.join(base_path, 'config')
rootfs_path = os.path.join(base_path, 'rootfs')
utils.run(('sudo sed '
'-i "s|\(lxc\.rootfs[[:space:]]*=\).*$|\\1 {rootfs}|" '
'"{config}"').format(rootfs=rootfs_path,
config=config_path))
def install_ssp(self, ssp_url):
"""Downloads and installs the given server package.
@param ssp_url: The URL of the ssp to download and install.
"""
usr_local_path = os.path.join(self.rootfs, 'usr', 'local')
autotest_pkg_path = os.path.join(usr_local_path,
'autotest_server_package.tar.bz2')
# Changes within the container rootfs require sudo.
utils.run('sudo mkdir -p %s' % usr_local_path)
lxc.download_extract(ssp_url, autotest_pkg_path, usr_local_path)
def install_ssp(self, ssp_url):
"""Downloads and installs the given server package.
@param ssp_url: The URL of the ssp to download and install.
"""
usr_local_path = os.path.join(self.rootfs, 'usr', 'local')
autotest_pkg_path = os.path.join(usr_local_path,
'autotest_server_package.tar.bz2')
# sudo is required so os.makedirs may not work.
utils.run('sudo mkdir -p %s'% usr_local_path)
lxc.download_extract(ssp_url, autotest_pkg_path, usr_local_path)
def setup_base(self, name=constants.BASE, force_delete=False):
"""Setup base container.
@param name: Name of the base container, default to base.
@param force_delete: True to force to delete existing base container.
This action will destroy all running test
containers. Default is set to False.
"""
if not self.container_path:
raise error.ContainerError(
'You must set a valid directory to store containers in '
'global config "AUTOSERV/ container_path".')
if not os.path.exists(self.container_path):
os.makedirs(self.container_path)
base_path = os.path.join(self.container_path, name)
if self.exist(name) and not force_delete:
logging.error(
'Base container already exists. Set force_delete to True '
'to force to re-stage base container. Note that this '
'action will destroy all running test containers')
# Set proper file permission. base container in moblab may have
# owner of not being root. Force to update the folder's owner.
# TODO(dshi): Change root to current user when test container can be
# unprivileged container.
utils.run('sudo chown -R root "%s"' % base_path)
utils.run('sudo chgrp -R root "%s"' % base_path)
return
# Destroy existing base container if exists.
if self.exist(name):
# TODO: We may need to destroy all snapshots created from this base
# container, not all container.
self.destroy_all()
# Download and untar the base container.
tar_path = os.path.join(self.container_path, '%s.tar.xz' % name)
path_to_cleanup = [tar_path, base_path]
for path in path_to_cleanup:
if os.path.exists(path):
utils.run('sudo rm -rf "%s"' % path)
container_url = constants.CONTAINER_BASE_URL_FMT % name
lxc.download_extract(container_url, tar_path, self.container_path)
# Remove the downloaded container tar file.
utils.run('sudo rm "%s"' % tar_path)
# Set proper file permission.
# TODO(dshi): Change root to current user when test container can be
# unprivileged container.
utils.run('sudo chown -R root "%s"' % base_path)
utils.run('sudo chgrp -R root "%s"' % base_path)
# Update container config with container_path from global config.
config_path = os.path.join(base_path, 'config')
rootfs_path = os.path.join(base_path, 'rootfs')
utils.run(('sudo sed '
'-i "s|\(lxc\.rootfs[[:space:]]*=\).*$|\\1 {rootfs}|" '
'"{config}"').format(rootfs=rootfs_path,
config=config_path))
self.base_container = Container.createFromExistingDir(
self.container_path, name)
self._setup_shared_host_path()
