def run(treadmill_root, upload_url=None):
"""Run postmortem"""
filetime = utils.datetime_utcnow().strftime('%Y%m%d_%H%M%SUTC')
hostname = socket.gethostname()
postmortem_file_base = os.path.join(
tempfile.gettempdir(), '{0}-{1}.tar'.format(hostname, filetime))
postmortem_file = collect(treadmill_root, postmortem_file_base)
if os.name == 'posix':
os.chmod(postmortem_file, 0o644)
_LOGGER.info('generated postmortem file: %r', postmortem_file)
if _UPLOADER is not None:
_UPLOADER.upload(postmortem_file, upload_url)
def collect(install_dir, upload_script, upload_args):
"""Collect Treadmill node data"""
filetime = utils.datetime_utcnow().strftime('%Y%m%d_%H%M%SUTC')
hostname = socket.gethostname()
postmortem_file_base = os.path.join(
'/tmp', '{0}-{1}.tar'.format(hostname, filetime))
postmortem_file = postmortem.collect(install_dir, postmortem_file_base)
_LOGGER.info('generated postmortem file: %r', postmortem_file)
# need to change owner of the postmortem file to treadmill proid
# change permission to 644
os.chmod(postmortem_file, 0o644)
# if upload script is provided, we upload the postmortem_file
if upload_script is not None:
upload_arg_list = ([] if upload_args is None else
shlex.split(upload_args))
utils.check_call([upload_script, postmortem_file] +
upload_arg_list)
def run(treadmill_root):
"""Run postmortem"""
filetime = utils.datetime_utcnow().strftime('%Y%m%d_%H%M%SUTC')
hostname = socket.gethostname()
postmortem_dir = os.path.join(treadmill_root, 'postmortem')
fs.mkdir_safe(postmortem_dir)
postmortem_archive = os.path.join(
postmortem_dir, '{0}-{1}.tar.gz'.format(hostname, filetime))
_LOGGER.info('Collection postmortem: %s', postmortem_archive)
with tarfile.open(postmortem_archive, 'w:gz') as f:
collect(treadmill_root, f)
if os.name == 'posix':
os.chmod(postmortem_archive, 0o644)
existing = glob.glob(os.path.join(postmortem_dir, '*'))
# Remove all files except for last two.
for filename in sorted(existing)[0:-_MAX_ARCHIVES]:
_LOGGER.info('Removing old archive: %s', filename)
fs.rm_safe(filename)
def _cleanup(tm_env, zkclient, container_dir, app):
"""Cleanup a container that actually ran.
"""
# Too many branches.
#
# pylint: disable=R0912
rootdir = os.path.join(container_dir, 'root')
# Generate a unique name for the app
unique_name = appmgr.app_unique_name(app)
# Create service clients
cgroup_client = tm_env.svc_cgroup.make_client(
os.path.join(container_dir, 'cgroups'))
localdisk_client = tm_env.svc_localdisk.make_client(
os.path.join(container_dir, 'localdisk'))
network_client = tm_env.svc_network.make_client(
os.path.join(container_dir, 'network'))
# Make sure all processes are killed
# FIXME(boysson): Should we use `kill_apps_in_cgroup` instead?
_kill_apps_by_root(rootdir)
# Setup the archive filename that will hold this container's data
filetime = utils.datetime_utcnow().strftime('%Y%m%d_%H%M%S%f')
archive_filename = os.path.join(
container_dir, '{instance_name}_{hostname}_{timestamp}.tar'.format(
instance_name=appmgr.appname_task_id(app.name),
hostname=sysinfo.hostname(),
timestamp=filetime))
# Tar up container root filesystem if archive list is in manifest
try:
localdisk = localdisk_client.get(unique_name)
fs.archive_filesystem(localdisk['block_dev'], rootdir,
archive_filename, app.archive)
except services.ResourceServiceError:
_LOGGER.warning('localdisk never allocated')
except subprocess.CalledProcessError:
_LOGGER.exception('Unable to archive root device of %r', unique_name)
except: # pylint: disable=W0702
_LOGGER.exception('Unknown exception while archiving %r', unique_name)
# Destroy the volume
try:
localdisk = localdisk_client.delete(unique_name)
except (IOError, OSError) as err:
if err.errno == errno.ENOENT:
pass
else:
raise
if not app.shared_network:
_cleanup_network(tm_env, app, network_client)
# Add metrics to archive
rrd_file = os.path.join(
tm_env.metrics_dir, 'apps',
'{name}-{instanceid}-{uniqueid}.rrd'.format(
name=app.app,
instanceid=app.task,
uniqueid=app.uniqueid,
))
rrdutils.flush_noexc(rrd_file)
_copy_metrics(rrd_file, container_dir)
# Cleanup our cgroup resources
try:
cgroup_client.delete(unique_name)
except (IOError, OSError) as err:
if err.errno == errno.ENOENT:
pass
else:
raise
try:
_archive_logs(tm_env, container_dir)
except Exception: # pylint: disable=W0703
_LOGGER.exception('Unexpected exception storing local logs.')
# Append or create the tarball with folders outside of container
# Compress and send the tarball to HCP
try:
archive_filename = fs.tar(sources=container_dir,
target=archive_filename,
compression='gzip').name
_send_container_archive(zkclient, app, archive_filename)
except: # pylint: disable=W0702
_LOGGER.exception("Failed to update archive")
