def on_delete_request(self, rsrc_id):
instance_id = rsrc_id
apps_group = cgutils.apps_group_name(self._cgroup_prefix)
cgrp = os.path.join(apps_group, instance_id)
with lc.LogContext(_LOGGER, rsrc_id,
adapter_cls=lc.ContainerAdapter) as log:
self._unregister_oom_handler(cgrp)
log.info('Deleting cgroups: %s:%s', self.SUBSYSTEMS, cgrp)
for subsystem in self.SUBSYSTEMS:
cgutils.delete(subsystem, cgrp)
# Recalculate the cgroup hard limits on remaining apps
#
# TODO: commented out until proper fix implemented.
#
# expunged = cgutils.reset_memory_limit_in_bytes()
# for expunged_uniq_name in expunged:
# exp_app_dir = os.path.join(tm_env.apps_dir, expunged_uniq_name)
# with open(os.path.join(exp_app_dir,
# 'services', 'finished'), 'w') as f:
# f.write('oom')
# exp_cgrp = os.path.join('treadmill', 'apps', expunged_uniq_name)
# cgutils.kill_apps_in_cgroup('memory', exp_cgrp,
# delete_cgrp=False)
return True
def on_delete_request(self, rsrc_id):
instance_id = rsrc_id
apps_group = cgutils.apps_group_name(self._cgroup_prefix)
cgrp = os.path.join(apps_group, instance_id)
with lc.LogContext(_LOGGER, rsrc_id,
adapter_cls=lc.ContainerAdapter) as log:
self._unregister_oom_handler(cgrp)
log.info('Deleting cgroups: %s:%s', self.SUBSYSTEMS, cgrp)
for subsystem in self.SUBSYSTEMS:
cgutils.delete(subsystem, cgrp)
return True
def test_delete_rec(self):
"""Tests recursive cgroup deletion."""
cgroups_dir = os.path.join(self.root, 'cgroups')
treadmill.cgroups.get_mountpoint.return_value = cgroups_dir
group = os.path.join('treadmill', 'apps', 'test1')
# Create a directory and subdirs for the cgroup
os.makedirs(os.path.join(cgroups_dir, group, 'foo', 'bar', 'baz'))
cgutils.delete('cpu', group)
os.rmdir.assert_has_calls([
mock.call(os.path.join(cgroups_dir, group, 'foo/bar/baz')),
mock.call(os.path.join(cgroups_dir, group, 'foo/bar')),
mock.call(os.path.join(cgroups_dir, group, 'foo')),
mock.call(os.path.join(cgroups_dir, group)),
])