def cleanup(self, context, instance, network_info, block_device_info=None,
destroy_disks=True, migrate_data=None, destroy_vifs=True):
"""Clean up the filesystem around the container.
See `nova.virt.driver.ComputeDriver.cleanup` for more
information.
"""
if destroy_vifs:
self.unplug_vifs(instance, network_info)
self.firewall_driver.unfilter_instance(instance, network_info)
lxd_config = self.client.host_info
storage.detach_ephemeral(block_device_info, lxd_config, instance)
name = pwd.getpwuid(os.getuid()).pw_name
container_dir = common.InstanceAttributes(instance).instance_dir
if os.path.exists(container_dir):
utils.execute(
'chown', '-R', '{}:{}'.format(name, name),
container_dir, run_as_root=True)
shutil.rmtree(container_dir)
try:
self.client.profiles.get(instance.name).delete()
except lxd_exceptions.LXDAPIException as e:
if e.response.status_code == 404:
LOG.warning('Failed to delete instance. '
'Profile does not exist for %(instance)s.',
{'instance': instance.name})
else:
raise
def test_remove_ephemeral_with_zfs(self, block_device_info_get_ephemerals,
execute):
block_device_info_get_ephemerals.return_value = [{
'virtual_name':
'ephemerals0'
}]
ctx = context.get_admin_context()
instance = fake_instance.fake_instance_obj(ctx,
name='test',
memory_mb=0)
block_device_info = mock.Mock()
lxd_config = {
'environment': {
'storage': 'zfs'
},
'config': {
'storage.zfs_pool_name': 'zfs'
}
}
client = mock.Mock()
storage.detach_ephemeral(client, block_device_info, lxd_config,
instance)
block_device_info_get_ephemerals.assert_called_once_with(
block_device_info)
expected_calls = [
mock.call('zfs',
'destroy',
'zfs/instance-00000001-ephemeral',
run_as_root=True)
]
self.assertEqual(expected_calls, execute.call_args_list)
def test_remove_ephemeral_with_lvm(
self, block_device_info_get_ephemerals, execute):
block_device_info_get_ephemerals.return_value = [
{'virtual_name': 'ephemerals0'}]
ctx = context.get_admin_context()
instance = fake_instance.fake_instance_obj(
ctx, name='test', memory_mb=0)
block_device_info = mock.Mock()
lxd_config = {'environment': {'storage': 'lvm'},
'config': {'storage.lvm_vg_name': 'lxd'}}
client = mock.Mock()
storage.detach_ephemeral(
client, block_device_info, lxd_config, instance)
block_device_info_get_ephemerals.assert_called_once_with(
block_device_info)
expected_calls = [
mock.call(
'umount', '/dev/lxd/instance-00000001-ephemerals0',
run_as_root=True),
mock.call('lvremove', '-f',
'/dev/lxd/instance-00000001-ephemerals0',
run_as_root=True)
]
self.assertEqual(expected_calls, execute.call_args_list)
def test_remove_ephemeral_with_lvm(self, block_device_info_get_ephemerals,
execute):
block_device_info_get_ephemerals.return_value = [{
'virtual_name':
'ephemerals0'
}]
ctx = context.get_admin_context()
instance = fake_instance.fake_instance_obj(ctx,
name='test',
memory_mb=0)
block_device_info = mock.Mock()
lxd_config = {
'environment': {
'storage': 'lvm'
},
'config': {
'storage.lvm_vg_name': 'lxd'
}
}
storage.detach_ephemeral(block_device_info, lxd_config, instance)
block_device_info_get_ephemerals.assert_called_once_with(
block_device_info)
expected_calls = [
mock.call('umount',
'/dev/lxd/instance-00000001-ephemerals0',
run_as_root=True),
mock.call('lvremove',
'-f',
'/dev/lxd/instance-00000001-ephemerals0',
run_as_root=True)
]
self.assertEqual(expected_calls, execute.call_args_list)