3144ea032b
Starting with the release of Wallaby, the 'tgtadm' package is now the default target helper, which doesn't work for cinder-lvm. As such, we need to explicitly set the new package to 'lioadm'. Closes-Bug: #1949074 Change-Id: I4d88d1e30d8b2b133bd575a76d0dc5e566415cbc
265 lines
9.7 KiB
Python
265 lines
9.7 KiB
Python
# Copyright 2021 Canonical Ltd
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
|
|
import charmhelpers
|
|
import charm.openstack.cinder_lvm as cinder_lvm
|
|
import charms_openstack.test_utils as test_utils
|
|
|
|
|
|
class MockDevice:
|
|
def __init__(self, path, **kwargs):
|
|
self.path = path
|
|
kwargs.setdefault('size', 0)
|
|
self.attrs = kwargs
|
|
|
|
@property
|
|
def size(self):
|
|
return self.attrs['size']
|
|
|
|
def is_block(self):
|
|
return self.attrs.get('block', False)
|
|
|
|
def is_loop(self):
|
|
return self.attrs.get('loop', False)
|
|
|
|
def has_partition_table(self):
|
|
return self.attrs.get('partition-table')
|
|
|
|
|
|
class MockLVM:
|
|
def __init__(self):
|
|
self.vgroups = {}
|
|
self.devices = []
|
|
self.mount_points = {} # Maps device paths to device objects.
|
|
|
|
def reduce(self, group):
|
|
self.vgroups.pop(group, None)
|
|
|
|
def extend(self, group, device=None):
|
|
dev_group = self.vgroups.setdefault(group, set())
|
|
if device:
|
|
dev_group.add(device)
|
|
|
|
def exists(self, group):
|
|
return group in self.vgroups
|
|
|
|
def remove(self, group):
|
|
self.vgroups.pop(group)
|
|
|
|
def ensure_non_existent(self, group):
|
|
self.vgroups.pop(group, None)
|
|
|
|
def list_vgroup(self, device):
|
|
for group, dev in self.vgroups.items():
|
|
if dev == device:
|
|
return group
|
|
return ''
|
|
|
|
def fs_mounted(self, fs):
|
|
return fs in self.mount_points
|
|
|
|
def mounts(self):
|
|
return list((v.path, k) for k, v in self.mount_points.items())
|
|
|
|
def umount(self, fs):
|
|
for k, v in self.mount_points.items():
|
|
if fs == v.path:
|
|
del self.mount_points[k]
|
|
return
|
|
|
|
def find_device(self, path):
|
|
for dev in self.devices:
|
|
if dev.path == path:
|
|
return dev
|
|
|
|
def add_device(self, device, **kwargs):
|
|
dev = MockDevice(device, **kwargs)
|
|
self.devices.append(dev)
|
|
return dev
|
|
|
|
def is_block_device(self, path):
|
|
dev = self.find_device(path)
|
|
return dev is not None and dev.is_block()
|
|
|
|
def ensure_loopback_dev(self, path, size):
|
|
dev = self.find_device(path)
|
|
if dev is not None:
|
|
dev.attrs['size'] = size
|
|
dev.attrs['loop'] = True
|
|
else:
|
|
self.devices.append(MockDevice(path, loop=True, size=size))
|
|
return dev.path
|
|
|
|
def is_device_mounted(self, path):
|
|
return any(x.path == path for x in self.mount_points.values())
|
|
|
|
def mount_path(self, path, device, **kwargs):
|
|
dev = self.find_device(device)
|
|
if dev is not None:
|
|
self.attrs.update(kwargs)
|
|
else:
|
|
self.mount_points[path] = self.add_device(device, **kwargs)
|
|
|
|
def has_partition_table(self, device):
|
|
dev = self.find_device(device)
|
|
return dev is not None and dev.has_partition_table()
|
|
|
|
def reset(self):
|
|
self.vgroups.clear()
|
|
self.devices.clear()
|
|
self.mount_points.clear()
|
|
|
|
|
|
class TestCinderLVMCharm(test_utils.PatchHelper):
|
|
|
|
@classmethod
|
|
def setUpClass(cls):
|
|
cls.DEFAULT_CONFIG = {'overwrite': False,
|
|
'remove-missing': False, 'alias': 'test-alias',
|
|
'remove-missing-force': False}
|
|
cls.LVM = MockLVM()
|
|
|
|
def setUp(self):
|
|
super().setUp()
|
|
self._config = self.DEFAULT_CONFIG.copy()
|
|
lvm = self.LVM
|
|
|
|
def cf(key=None):
|
|
if key is None:
|
|
return self._config
|
|
return self._config.get(key)
|
|
|
|
self.patch_object(charmhelpers.core.hookenv, 'config')
|
|
self.patch_object(charmhelpers.core.hookenv, 'leader_get',
|
|
return_value='lioadm')
|
|
self.patch_object(cinder_lvm, 'mounts')
|
|
self.patch_object(cinder_lvm, 'umount')
|
|
self.patch_object(cinder_lvm, 'is_block_device')
|
|
self.patch_object(cinder_lvm, 'zap_disk')
|
|
self.patch_object(cinder_lvm, 'is_device_mounted')
|
|
self.patch_object(cinder_lvm, 'ensure_loopback_device')
|
|
self.patch_object(cinder_lvm, 'create_lvm_physical_volume')
|
|
self.patch_object(cinder_lvm, 'create_lvm_volume_group')
|
|
self.patch_object(cinder_lvm, 'deactivate_lvm_volume_group')
|
|
self.patch_object(cinder_lvm, 'is_lvm_physical_volume')
|
|
self.patch_object(cinder_lvm, 'list_lvm_volume_group')
|
|
self.patch_object(cinder_lvm, 'list_thin_logical_volume_pools')
|
|
self.patch_object(cinder_lvm, 'filesystem_mounted')
|
|
self.patch_object(cinder_lvm, 'lvm_volume_group_exists')
|
|
self.patch_object(cinder_lvm, 'remove_lvm_volume_group')
|
|
self.patch_object(cinder_lvm, 'ensure_lvm_volume_group_non_existent')
|
|
self.patch_object(cinder_lvm, 'log_lvm_info')
|
|
self.patch_object(cinder_lvm, 'has_partition_table')
|
|
self.patch_object(cinder_lvm, 'reduce_lvm_volume_group_missing')
|
|
self.patch_object(cinder_lvm, 'extend_lvm_volume_group')
|
|
|
|
self.config.side_effect = cf
|
|
cinder_lvm.mounts.side_effect = lvm.mounts
|
|
cinder_lvm.umount.side_effect = lvm.umount
|
|
cinder_lvm.is_block_device.side_effect = lvm.is_block_device
|
|
cinder_lvm.is_device_mounted.side_effect = lvm.is_device_mounted
|
|
cinder_lvm.ensure_loopback_device.side_effect = lvm.ensure_loopback_dev
|
|
cinder_lvm.create_lvm_volume_group.side_effect = lvm.extend
|
|
cinder_lvm.is_lvm_physical_volume.return_value = False
|
|
cinder_lvm.list_lvm_volume_group.side_effect = lvm.list_vgroup
|
|
cinder_lvm.list_thin_logical_volume_pools.return_value = []
|
|
cinder_lvm.filesystem_mounted.side_effect = lvm.fs_mounted
|
|
cinder_lvm.lvm_volume_group_exists.side_effect = lvm.exists
|
|
cinder_lvm.remove_lvm_volume_group.side_effect = lvm.remove
|
|
cinder_lvm.ensure_lvm_volume_group_non_existent.side_effect = \
|
|
lvm.ensure_non_existent
|
|
cinder_lvm.has_partition_table.side_effect = lvm.has_partition_table
|
|
cinder_lvm.extend_lvm_volume_group.side_effect = lvm.extend
|
|
self._config['block-device'] = '/dev/sdb'
|
|
|
|
def tearDown(self):
|
|
super().tearDown()
|
|
self.LVM.reset()
|
|
|
|
def _patch_config_and_charm(self, config):
|
|
self._config.update(config)
|
|
return cinder_lvm.CinderLVMCharmWallaby()
|
|
|
|
def test_cinder_base(self):
|
|
charm = self._patch_config_and_charm({})
|
|
self.assertEqual(charm.name, 'cinder_lvm')
|
|
self.assertEqual(charm.version_package, 'cinder-volume')
|
|
self.assertEqual(charm.packages, [])
|
|
self.assertEqual(cinder_lvm.get_volume_group_name(),
|
|
'cinder-volumes-test-alias')
|
|
self.assertEqual(cinder_lvm.get_backend_name(),
|
|
'LVM-test-alias')
|
|
|
|
def test_cinder_configuration(self):
|
|
charm = self._patch_config_and_charm(
|
|
{'a': 'b', 'config-flags': 'val=3'})
|
|
config = charm.cinder_configuration()
|
|
cfg_dict = dict()
|
|
cfg_dict.update(dict(config))
|
|
self.assertEqual('3', cfg_dict.get('val'))
|
|
self.assertIsNone(cfg_dict.get('a'))
|
|
|
|
def test_cinder_vg_and_backend(self):
|
|
base = {'volume-group': 'test-vg', 'volume-backend-name': 'test-bn'}
|
|
self._patch_config_and_charm(base)
|
|
self.assertEqual(cinder_lvm.get_backend_name(),
|
|
base['volume-backend-name'])
|
|
self.assertEqual(cinder_lvm.get_volume_group_name(),
|
|
base['volume-group'])
|
|
|
|
def test_cinder_lvm_ephemeral_mount(self):
|
|
ephemeral_path, ephemeral_dev = 'somepath', '/dev/sdc'
|
|
charm = self._patch_config_and_charm(
|
|
{'ephemeral-unmount': ephemeral_path})
|
|
self.LVM.mount_path(ephemeral_path, ephemeral_dev)
|
|
charm.cinder_configuration()
|
|
cinder_lvm.filesystem_mounted.assert_called()
|
|
cinder_lvm.umount.assert_called()
|
|
self.assertFalse(cinder_lvm.is_device_mounted(ephemeral_path))
|
|
|
|
def test_cinder_lvm_block_dev_none(self):
|
|
charm = self._patch_config_and_charm({'block-device': 'none'})
|
|
charm.cinder_configuration()
|
|
self.assertFalse(self.LVM.mount_points)
|
|
|
|
def test_cinder_lvm_single_vg(self):
|
|
self.LVM.add_device(self._config['block-device'], block=True)
|
|
charm = self._patch_config_and_charm({})
|
|
charm.cinder_configuration()
|
|
cinder_lvm.is_device_mounted.assert_called()
|
|
cinder_lvm.zap_disk.assert_called()
|
|
self.assertTrue(self.LVM.exists(cinder_lvm.get_volume_group_name()))
|
|
|
|
def test_cinder_lvm_loopback_dev(self):
|
|
loop_dev = '/sys/loop0'
|
|
self.LVM.add_device(loop_dev, loop=True)
|
|
charm = self._patch_config_and_charm(
|
|
{'block-device': loop_dev + '|100'})
|
|
charm.cinder_configuration()
|
|
dev = self.LVM.find_device(loop_dev)
|
|
self.assertTrue(dev)
|
|
self.assertEqual(dev.size, '100')
|
|
|
|
def test_cinder_wallaby_upgrade(self):
|
|
charm = self._patch_config_and_charm({})
|
|
|
|
charm.release = "wallaby"
|
|
config2 = charm.cinder_configuration()
|
|
self.assertIn(('target_helper', 'lioadm'), config2)
|
|
|
|
charm = self._patch_config_and_charm({
|
|
'config-flags': 'target_helper=tgtadm'})
|
|
config3 = charm.cinder_configuration()
|
|
self.assertIn(('target_helper', 'tgtadm'), config3)
|