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test_glusterfs.py
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test_glusterfs.py
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# Copyright (c) 2013 Red Hat, Inc.
# All Rights Reserved.
#
# 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.
"""Unit tests for the GlusterFS driver module."""
import contextlib
import errno
import os
import tempfile
import time
import traceback
import mock
import mox as mox_lib
from mox import IgnoreArg
from mox import IsA
from mox import stubout
from oslo.config import cfg
from oslo.utils import units
from oslo_concurrency import processutils as putils
from cinder import brick
from cinder import compute
from cinder import context
from cinder import db
from cinder import exception
from cinder.i18n import _
from cinder.image import image_utils
from cinder.openstack.common import imageutils
from cinder import test
from cinder import utils
from cinder.volume import configuration as conf
from cinder.volume import driver as base_driver
from cinder.volume.drivers import glusterfs
CONF = cfg.CONF
class DumbVolume(object):
fields = {}
def __setitem__(self, key, value):
self.fields[key] = value
def __getitem__(self, item):
return self.fields[item]
class FakeDb(object):
msg = "Tests are broken: mock this out."
def volume_get(self, *a, **kw):
raise Exception(self.msg)
def snapshot_get_all_for_volume(self, *a, **kw):
"""Mock this if you want results from it."""
return []
class GlusterFsDriverTestCase(test.TestCase):
"""Test case for GlusterFS driver."""
TEST_EXPORT1 = 'glusterfs-host1:/export'
TEST_EXPORT2 = 'glusterfs-host2:/export'
TEST_EXPORT2_OPTIONS = '-o backupvolfile-server=glusterfs-backup1'
TEST_SIZE_IN_GB = 1
TEST_MNT_POINT = '/mnt/glusterfs'
TEST_MNT_POINT_BASE = '/mnt/test'
TEST_LOCAL_PATH = '/mnt/glusterfs/volume-123'
TEST_FILE_NAME = 'test.txt'
TEST_SHARES_CONFIG_FILE = '/etc/cinder/test-shares.conf'
TEST_TMP_FILE = '/tmp/tempfile'
VOLUME_UUID = 'abcdefab-cdef-abcd-efab-cdefabcdefab'
VOLUME_NAME = 'volume-%s' % VOLUME_UUID
SNAP_UUID = 'bacadaca-baca-daca-baca-dacadacadaca'
SNAP_UUID_2 = 'bebedede-bebe-dede-bebe-dedebebedede'
def setUp(self):
super(GlusterFsDriverTestCase, self).setUp()
self._mox = mox_lib.Mox()
self._configuration = mox_lib.MockObject(conf.Configuration)
self._configuration.append_config_values(mox_lib.IgnoreArg())
self._configuration.glusterfs_shares_config = \
self.TEST_SHARES_CONFIG_FILE
self._configuration.glusterfs_mount_point_base = \
self.TEST_MNT_POINT_BASE
self._configuration.glusterfs_sparsed_volumes = True
self._configuration.glusterfs_qcow2_volumes = False
self._configuration.nas_secure_file_permissions = 'false'
self._configuration.nas_secure_file_operations = 'false'
self.stubs = stubout.StubOutForTesting()
self._driver =\
glusterfs.GlusterfsDriver(configuration=self._configuration,
db=FakeDb())
self._driver.shares = {}
compute.API = mock.MagicMock()
self.addCleanup(self._mox.UnsetStubs)
def stub_out_not_replaying(self, obj, attr_name):
attr_to_replace = getattr(obj, attr_name)
stub = mox_lib.MockObject(attr_to_replace)
self.stubs.Set(obj, attr_name, stub)
def assertRaisesAndMessageMatches(
self, excClass, msg, callableObj, *args, **kwargs):
"""Ensure that 'excClass' was raised and its message contains 'msg'."""
caught = False
try:
callableObj(*args, **kwargs)
except Exception as exc:
caught = True
self.assertEqual(excClass, type(exc),
'Wrong exception caught: %s Stacktrace: %s' %
(exc, traceback.print_exc()))
self.assertIn(msg, str(exc))
if not caught:
self.fail('Expected raised exception but nothing caught.')
def test_set_execute(self):
mox = self._mox
drv = self._driver
rfsclient = brick.remotefs.remotefs.RemoteFsClient
mox.StubOutWithMock(rfsclient, 'set_execute')
def my_execute(*a, **k):
pass
rfsclient.set_execute(my_execute)
mox.ReplayAll()
drv.set_execute(my_execute)
mox.VerifyAll()
def test_local_path(self):
"""local_path common use case."""
self.override_config("glusterfs_mount_point_base",
self.TEST_MNT_POINT_BASE)
drv = self._driver
volume = DumbVolume()
volume['provider_location'] = self.TEST_EXPORT1
volume['name'] = 'volume-123'
self.assertEqual(
'/mnt/test/ab03ab34eaca46a5fb81878f7e9b91fc/volume-123',
drv.local_path(volume))
def test_mount_glusterfs_should_mount_correctly(self):
"""_mount_glusterfs common case usage."""
mox = self._mox
drv = self._driver
mox.StubOutWithMock(drv, '_execute')
drv._execute('mkdir', '-p', self.TEST_MNT_POINT)
drv._execute('mount', '-t', 'glusterfs', self.TEST_EXPORT1,
self.TEST_MNT_POINT, run_as_root=True)
mox.ReplayAll()
drv._mount_glusterfs(self.TEST_EXPORT1, self.TEST_MNT_POINT)
mox.VerifyAll()
def test_mount_glusterfs_should_suppress_already_mounted_error(self):
"""_mount_glusterfs should suppress already mounted error if
ensure=True
"""
mox = self._mox
drv = self._driver
mox.StubOutWithMock(drv, '_execute')
drv._execute('mkdir', '-p', self.TEST_MNT_POINT)
drv._execute('mount', '-t', 'glusterfs', self.TEST_EXPORT1,
self.TEST_MNT_POINT, run_as_root=True).\
AndRaise(putils.ProcessExecutionError(
stderr='is busy or already mounted'))
mox.ReplayAll()
drv._mount_glusterfs(self.TEST_EXPORT1, self.TEST_MNT_POINT,
ensure=True)
mox.VerifyAll()
def test_mount_glusterfs_should_reraise_already_mounted_error(self):
"""_mount_glusterfs should not suppress already mounted error
if ensure=False
"""
mox = self._mox
drv = self._driver
mox.StubOutWithMock(drv, '_execute')
drv._execute('mkdir', '-p', self.TEST_MNT_POINT)
drv._execute(
'mount',
'-t',
'glusterfs',
self.TEST_EXPORT1,
self.TEST_MNT_POINT,
run_as_root=True). \
AndRaise(putils.ProcessExecutionError(stderr='is busy or '
'already mounted'))
mox.ReplayAll()
self.assertRaises(putils.ProcessExecutionError, drv._mount_glusterfs,
self.TEST_EXPORT1, self.TEST_MNT_POINT,
ensure=False)
mox.VerifyAll()
def test_mount_glusterfs_should_create_mountpoint_if_not_yet(self):
"""_mount_glusterfs should create mountpoint if it doesn't exist."""
mox = self._mox
drv = self._driver
mox.StubOutWithMock(drv, '_execute')
drv._execute('mkdir', '-p', self.TEST_MNT_POINT)
drv._execute(*([IgnoreArg()] * 5), run_as_root=IgnoreArg())
mox.ReplayAll()
drv._mount_glusterfs(self.TEST_EXPORT1, self.TEST_MNT_POINT)
mox.VerifyAll()
def test_get_hash_str(self):
"""_get_hash_str should calculation correct value."""
drv = self._driver
self.assertEqual('ab03ab34eaca46a5fb81878f7e9b91fc',
drv._get_hash_str(self.TEST_EXPORT1))
def test_get_mount_point_for_share(self):
"""_get_mount_point_for_share should call RemoteFsClient."""
mox = self._mox
drv = self._driver
hashed_path = '/mnt/test/abcdefabcdef'
mox.StubOutWithMock(brick.remotefs.remotefs.RemoteFsClient,
'get_mount_point')
self.override_config("glusterfs_mount_point_base",
self.TEST_MNT_POINT_BASE)
brick.remotefs.remotefs.RemoteFsClient.\
get_mount_point(self.TEST_EXPORT1).AndReturn(hashed_path)
mox.ReplayAll()
drv._get_mount_point_for_share(self.TEST_EXPORT1)
mox.VerifyAll()
def test_get_available_capacity_with_df(self):
"""_get_available_capacity should calculate correct value."""
mox = self._mox
drv = self._driver
df_total_size = 2620544
df_avail = 1490560
df_head = 'Filesystem 1K-blocks Used Available Use% Mounted on\n'
df_data = 'glusterfs-host:/export %d 996864 %d 41%% /mnt' % \
(df_total_size, df_avail)
df_output = df_head + df_data
mox.StubOutWithMock(drv, '_get_mount_point_for_share')
drv._get_mount_point_for_share(self.TEST_EXPORT1).\
AndReturn(self.TEST_MNT_POINT)
mox.StubOutWithMock(drv, '_execute')
drv._execute('df', '--portability', '--block-size', '1',
self.TEST_MNT_POINT,
run_as_root=True).AndReturn((df_output, None))
mox.ReplayAll()
self.assertEqual((df_avail, df_total_size),
drv._get_available_capacity(self.TEST_EXPORT1))
mox.VerifyAll()
def test_load_shares_config(self):
mox = self._mox
drv = self._driver
drv.configuration.glusterfs_shares_config = (
self.TEST_SHARES_CONFIG_FILE)
mox.StubOutWithMock(drv, '_read_config_file')
config_data = []
config_data.append(self.TEST_EXPORT1)
config_data.append('#' + self.TEST_EXPORT2)
config_data.append(self.TEST_EXPORT2 + ' ' + self.TEST_EXPORT2_OPTIONS)
config_data.append('broken:share_format')
config_data.append('')
drv._read_config_file(self.TEST_SHARES_CONFIG_FILE).\
AndReturn(config_data)
mox.ReplayAll()
drv._load_shares_config(drv.configuration.glusterfs_shares_config)
self.assertIn(self.TEST_EXPORT1, drv.shares)
self.assertIn(self.TEST_EXPORT2, drv.shares)
self.assertEqual(len(drv.shares), 2)
self.assertEqual(drv.shares[self.TEST_EXPORT2],
self.TEST_EXPORT2_OPTIONS)
mox.VerifyAll()
def test_ensure_share_mounted(self):
"""_ensure_share_mounted simple use case."""
mox = self._mox
drv = self._driver
mox.StubOutWithMock(utils, 'get_file_mode')
mox.StubOutWithMock(utils, 'get_file_gid')
mox.StubOutWithMock(drv, '_execute')
mox.StubOutWithMock(drv, '_ensure_share_writable')
mox.StubOutWithMock(drv, '_get_mount_point_for_share')
drv._get_mount_point_for_share(self.TEST_EXPORT1).\
AndReturn(self.TEST_MNT_POINT)
mox.StubOutWithMock(drv, '_mount_glusterfs')
drv._mount_glusterfs(self.TEST_EXPORT1, self.TEST_MNT_POINT,
ensure=True)
utils.get_file_gid(self.TEST_MNT_POINT).AndReturn(333333)
utils.get_file_mode(self.TEST_MNT_POINT).AndReturn(0o777)
drv._ensure_share_writable(self.TEST_MNT_POINT)
drv._execute('chgrp', IgnoreArg(), self.TEST_MNT_POINT,
run_as_root=True)
mox.ReplayAll()
drv._ensure_share_mounted(self.TEST_EXPORT1)
mox.VerifyAll()
def test_ensure_shares_mounted_should_save_mounting_successfully(self):
"""_ensure_shares_mounted should save share if mounted with success."""
mox = self._mox
drv = self._driver
mox.StubOutWithMock(drv, '_read_config_file')
config_data = []
config_data.append(self.TEST_EXPORT1)
drv._read_config_file(self.TEST_SHARES_CONFIG_FILE).\
AndReturn(config_data)
mox.StubOutWithMock(drv, '_ensure_share_mounted')
drv._ensure_share_mounted(self.TEST_EXPORT1)
mox.ReplayAll()
drv._ensure_shares_mounted()
self.assertEqual(1, len(drv._mounted_shares))
self.assertEqual(self.TEST_EXPORT1, drv._mounted_shares[0])
mox.VerifyAll()
def test_ensure_shares_mounted_should_not_save_mounting_with_error(self):
"""_ensure_shares_mounted should not save share if failed to mount."""
mox = self._mox
drv = self._driver
mox.StubOutWithMock(drv, '_read_config_file')
config_data = []
config_data.append(self.TEST_EXPORT1)
drv._read_config_file(self.TEST_SHARES_CONFIG_FILE).\
AndReturn(config_data)
mox.StubOutWithMock(drv, '_ensure_share_mounted')
drv._ensure_share_mounted(self.TEST_EXPORT1).AndRaise(Exception())
mox.ReplayAll()
drv._ensure_shares_mounted()
self.assertEqual(0, len(drv._mounted_shares))
mox.VerifyAll()
def test_setup_should_throw_error_if_shares_config_not_configured(self):
"""do_setup should throw error if shares config is not configured."""
drv = self._driver
drv.configuration.glusterfs_shares_config = None
self.assertRaisesAndMessageMatches(exception.GlusterfsException,
'no Gluster config file configured',
drv.do_setup,
IsA(context.RequestContext))
def test_setup_should_throw_exception_if_client_is_not_installed(self):
"""do_setup should throw exception if client is not installed."""
mox = self._mox
drv = self._driver
self.override_config("glusterfs_shares_config",
self.TEST_SHARES_CONFIG_FILE)
mox.StubOutWithMock(os.path, 'exists')
os.path.exists(self.TEST_SHARES_CONFIG_FILE).AndReturn(True)
mox.StubOutWithMock(drv, '_execute')
drv._execute('mount.glusterfs', check_exit_code=False).\
AndRaise(OSError(errno.ENOENT, 'No such file or directory'))
mox.ReplayAll()
self.assertRaisesAndMessageMatches(exception.GlusterfsException,
'mount.glusterfs is not installed',
drv.do_setup,
IsA(context.RequestContext))
mox.VerifyAll()
def _fake_load_shares_config(self, conf):
self._driver.shares = {'127.7.7.7:/gluster1': None}
def _fake_NamedTemporaryFile(self, prefix=None, dir=None):
raise OSError('Permission denied!')
def test_setup_set_share_permissions(self):
mox = self._mox
drv = self._driver
self.override_config("glusterfs_shares_config",
self.TEST_SHARES_CONFIG_FILE)
self.stubs.Set(drv, '_load_shares_config',
self._fake_load_shares_config)
self.stubs.Set(tempfile, 'NamedTemporaryFile',
self._fake_NamedTemporaryFile)
mox.StubOutWithMock(os.path, 'exists')
mox.StubOutWithMock(drv, '_execute')
mox.StubOutWithMock(utils, 'get_file_gid')
mox.StubOutWithMock(utils, 'get_file_mode')
mox.StubOutWithMock(os, 'getegid')
drv._execute('mount.glusterfs', check_exit_code=False)
drv._execute('umount', '/mnt/test/8f0473c9ad824b8b6a27264b9cacb005',
run_as_root=True)
drv._execute('mkdir', '-p', mox_lib.IgnoreArg())
os.path.exists(self.TEST_SHARES_CONFIG_FILE).AndReturn(True)
drv._execute('mount', '-t', 'glusterfs', '127.7.7.7:/gluster1',
mox_lib.IgnoreArg(), run_as_root=True)
utils.get_file_gid(mox_lib.IgnoreArg()).AndReturn(33333)
# perms not writable
utils.get_file_mode(mox_lib.IgnoreArg()).AndReturn(0o000)
os.getegid().AndReturn(888)
drv._execute('chgrp', 888, mox_lib.IgnoreArg(), run_as_root=True)
drv._execute('chmod', 'g+w', mox_lib.IgnoreArg(), run_as_root=True)
mox.ReplayAll()
drv.do_setup(IsA(context.RequestContext))
mox.VerifyAll()
def test_find_share_should_throw_error_if_there_is_no_mounted_shares(self):
"""_find_share should throw error if there is no mounted shares."""
drv = self._driver
drv._mounted_shares = []
self.assertRaises(exception.GlusterfsNoSharesMounted,
drv._find_share,
self.TEST_SIZE_IN_GB)
def test_find_share(self):
"""_find_share simple use case."""
mox = self._mox
drv = self._driver
drv._mounted_shares = [self.TEST_EXPORT1, self.TEST_EXPORT2]
mox.StubOutWithMock(drv, '_get_available_capacity')
drv._get_available_capacity(self.TEST_EXPORT1).\
AndReturn((2 * units.Gi, 5 * units.Gi))
drv._get_available_capacity(self.TEST_EXPORT2).\
AndReturn((3 * units.Gi, 10 * units.Gi))
mox.ReplayAll()
self.assertEqual(self.TEST_EXPORT2,
drv._find_share(self.TEST_SIZE_IN_GB))
mox.VerifyAll()
def test_find_share_should_throw_error_if_there_is_no_enough_place(self):
"""_find_share should throw error if there is no share to host vol."""
mox = self._mox
drv = self._driver
drv._mounted_shares = [self.TEST_EXPORT1,
self.TEST_EXPORT2]
mox.StubOutWithMock(drv, '_get_available_capacity')
drv._get_available_capacity(self.TEST_EXPORT1).\
AndReturn((0, 5 * units.Gi))
drv._get_available_capacity(self.TEST_EXPORT2).\
AndReturn((0, 10 * units.Gi))
mox.ReplayAll()
self.assertRaises(exception.GlusterfsNoSuitableShareFound,
drv._find_share,
self.TEST_SIZE_IN_GB)
mox.VerifyAll()
def _simple_volume(self, id=None):
volume = DumbVolume()
volume['provider_location'] = self.TEST_EXPORT1
if id is None:
volume['id'] = self.VOLUME_UUID
else:
volume['id'] = id
# volume['name'] mirrors format from db/sqlalchemy/models.py
volume['name'] = 'volume-%s' % volume['id']
volume['size'] = 10
volume['status'] = 'available'
return volume
def test_create_sparsed_volume(self):
mox = self._mox
drv = self._driver
volume = self._simple_volume()
self.override_config('glusterfs_sparsed_volumes', True)
mox.StubOutWithMock(drv, '_create_sparsed_file')
mox.StubOutWithMock(drv, '_set_rw_permissions_for_all')
drv._create_sparsed_file(IgnoreArg(), IgnoreArg())
drv._set_rw_permissions_for_all(IgnoreArg())
mox.ReplayAll()
drv._do_create_volume(volume)
mox.VerifyAll()
def test_create_nonsparsed_volume(self):
mox = self._mox
drv = self._driver
volume = self._simple_volume()
old_value = self._configuration.glusterfs_sparsed_volumes
self._configuration.glusterfs_sparsed_volumes = False
mox.StubOutWithMock(drv, '_create_regular_file')
mox.StubOutWithMock(drv, '_set_rw_permissions_for_all')
drv._create_regular_file(IgnoreArg(), IgnoreArg())
drv._set_rw_permissions_for_all(IgnoreArg())
mox.ReplayAll()
drv._do_create_volume(volume)
mox.VerifyAll()
self._configuration.glusterfs_sparsed_volumes = old_value
def test_create_qcow2_volume(self):
(mox, drv) = self._mox, self._driver
volume = self._simple_volume()
old_value = self._configuration.glusterfs_qcow2_volumes
self._configuration.glusterfs_qcow2_volumes = True
mox.StubOutWithMock(drv, '_execute')
hashed = drv._get_hash_str(volume['provider_location'])
path = '%s/%s/volume-%s' % (self.TEST_MNT_POINT_BASE,
hashed,
self.VOLUME_UUID)
drv._execute('qemu-img', 'create', '-f', 'qcow2',
'-o', 'preallocation=metadata', path,
str(volume['size'] * units.Gi),
run_as_root=True)
drv._execute('chmod', 'ugo+rw', path, run_as_root=True)
mox.ReplayAll()
drv._do_create_volume(volume)
mox.VerifyAll()
self._configuration.glusterfs_qcow2_volumes = old_value
def test_create_volume_should_ensure_glusterfs_mounted(self):
"""create_volume ensures shares provided in config are mounted."""
mox = self._mox
drv = self._driver
self.stub_out_not_replaying(glusterfs, 'LOG')
self.stub_out_not_replaying(drv, '_find_share')
self.stub_out_not_replaying(drv, '_do_create_volume')
mox.StubOutWithMock(drv, '_ensure_shares_mounted')
drv._ensure_shares_mounted()
mox.ReplayAll()
volume = DumbVolume()
volume['size'] = self.TEST_SIZE_IN_GB
drv.create_volume(volume)
mox.VerifyAll()
def test_create_volume_should_return_provider_location(self):
"""create_volume should return provider_location with found share."""
mox = self._mox
drv = self._driver
self.stub_out_not_replaying(glusterfs, 'LOG')
self.stub_out_not_replaying(drv, '_ensure_shares_mounted')
self.stub_out_not_replaying(drv, '_do_create_volume')
mox.StubOutWithMock(drv, '_find_share')
drv._find_share(self.TEST_SIZE_IN_GB).AndReturn(self.TEST_EXPORT1)
mox.ReplayAll()
volume = DumbVolume()
volume['size'] = self.TEST_SIZE_IN_GB
result = drv.create_volume(volume)
self.assertEqual(self.TEST_EXPORT1, result['provider_location'])
mox.VerifyAll()
def test_create_cloned_volume(self):
(mox, drv) = self._mox, self._driver
mox.StubOutWithMock(drv, '_create_snapshot')
mox.StubOutWithMock(drv, '_delete_snapshot')
mox.StubOutWithMock(drv, '_read_info_file')
mox.StubOutWithMock(image_utils, 'convert_image')
mox.StubOutWithMock(drv, '_copy_volume_from_snapshot')
volume = self._simple_volume()
src_vref = self._simple_volume()
src_vref['id'] = '375e32b2-804a-49f2-b282-85d1d5a5b9e1'
src_vref['name'] = 'volume-%s' % src_vref['id']
volume_ref = {'id': volume['id'],
'name': volume['name'],
'status': volume['status'],
'provider_location': volume['provider_location'],
'size': volume['size']}
snap_ref = {'volume_name': src_vref['name'],
'name': 'clone-snap-%s' % src_vref['id'],
'size': src_vref['size'],
'volume_size': src_vref['size'],
'volume_id': src_vref['id'],
'id': 'tmp-snap-%s' % src_vref['id'],
'volume': src_vref}
drv._create_snapshot(snap_ref)
drv._copy_volume_from_snapshot(snap_ref, volume_ref, volume['size'])
drv._delete_snapshot(mox_lib.IgnoreArg())
mox.ReplayAll()
drv.create_cloned_volume(volume, src_vref)
mox.VerifyAll()
@mock.patch('cinder.openstack.common.fileutils.delete_if_exists')
def test_delete_volume(self, mock_delete_if_exists):
volume = self._simple_volume()
volume_filename = 'volume-%s' % self.VOLUME_UUID
volume_path = '%s/%s' % (self.TEST_MNT_POINT, volume_filename)
info_file = volume_path + '.info'
with contextlib.nested(
mock.patch.object(self._driver, '_ensure_share_mounted'),
mock.patch.object(self._driver, '_local_volume_dir'),
mock.patch.object(self._driver, 'get_active_image_from_info'),
mock.patch.object(self._driver, '_execute'),
mock.patch.object(self._driver, '_local_path_volume'),
mock.patch.object(self._driver, '_local_path_volume_info')
) as (mock_ensure_share_mounted, mock_local_volume_dir,
mock_active_image_from_info, mock_execute,
mock_local_path_volume, mock_local_path_volume_info):
mock_local_volume_dir.return_value = self.TEST_MNT_POINT
mock_active_image_from_info.return_value = volume_filename
mock_local_path_volume.return_value = volume_path
mock_local_path_volume_info.return_value = info_file
self._driver.delete_volume(volume)
mock_ensure_share_mounted.assert_called_once_with(
volume['provider_location'])
mock_local_volume_dir.assert_called_once_with(volume)
mock_active_image_from_info.assert_called_once_with(volume)
mock_execute.assert_called_once_with('rm', '-f', volume_path,
run_as_root=True)
mock_local_path_volume_info.assert_called_once_with(volume)
mock_local_path_volume.assert_called_once_with(volume)
mock_delete_if_exists.assert_any_call(volume_path)
mock_delete_if_exists.assert_any_call(info_file)
def test_refresh_mounts(self):
with contextlib.nested(
mock.patch.object(self._driver, '_unmount_shares'),
mock.patch.object(self._driver, '_ensure_shares_mounted')
) as (mock_unmount_shares, mock_ensure_shares_mounted):
self._driver._refresh_mounts()
self.assertTrue(mock_unmount_shares.called)
self.assertTrue(mock_ensure_shares_mounted.called)
def test_refresh_mounts_with_excp(self):
with contextlib.nested(
mock.patch.object(self._driver, '_unmount_shares'),
mock.patch.object(self._driver, '_ensure_shares_mounted'),
mock.patch.object(glusterfs, 'LOG')
) as (mock_unmount_shares, mock_ensure_shares_mounted,
mock_logger):
mock_stderr = _("umount: <mnt_path>: target is busy")
mock_unmount_shares.side_effect = \
putils.ProcessExecutionError(stderr=mock_stderr)
self._driver._refresh_mounts()
self.assertTrue(mock_unmount_shares.called)
self.assertTrue(mock_logger.warn.called)
self.assertTrue(mock_ensure_shares_mounted.called)
mock_unmount_shares.reset_mock()
mock_ensure_shares_mounted.reset_mock()
mock_logger.reset_mock()
mock_logger.warn.reset_mock()
mock_stderr = _("umount: <mnt_path>: some other error")
mock_unmount_shares.side_effect = \
putils.ProcessExecutionError(stderr=mock_stderr)
self.assertRaises(putils.ProcessExecutionError,
self._driver._refresh_mounts)
self.assertTrue(mock_unmount_shares.called)
self.assertFalse(mock_ensure_shares_mounted.called)
def test_unmount_shares_with_excp(self):
self._driver.shares = {'127.7.7.7:/gluster1': None}
with contextlib.nested(
mock.patch.object(self._driver, '_load_shares_config'),
mock.patch.object(self._driver, '_do_umount'),
mock.patch.object(glusterfs, 'LOG')
) as (_mock_load_shares_config, mock_do_umount, mock_logger):
mock_do_umount.side_effect = Exception()
self._driver._unmount_shares()
self.assertTrue(mock_do_umount.called)
self.assertTrue(mock_logger.warning.called)
self.assertFalse(mock_logger.debug.called)
def test_unmount_shares_1share(self):
self._driver.shares = {'127.7.7.7:/gluster1': None}
with contextlib.nested(
mock.patch.object(self._driver, '_load_shares_config'),
mock.patch.object(self._driver, '_do_umount')
) as (_mock_load_shares_config, mock_do_umount):
self._driver._unmount_shares()
self.assertTrue(mock_do_umount.called)
mock_do_umount.assert_called_once_with(True,
'127.7.7.7:/gluster1')
def test_unmount_shares_2share(self):
self._driver.shares = {'127.7.7.7:/gluster1': None,
'127.7.7.8:/gluster2': None}
with contextlib.nested(
mock.patch.object(self._driver, '_load_shares_config'),
mock.patch.object(self._driver, '_do_umount')
) as (_mock_load_shares_config, mock_do_umount):
self._driver._unmount_shares()
mock_do_umount.assert_any_call(True,
'127.7.7.7:/gluster1')
mock_do_umount.assert_any_call(True,
'127.7.7.8:/gluster2')
def test_do_umount(self):
test_share = '127.7.7.7:/gluster1'
test_hashpath = '/hashed/mnt/path'
with contextlib.nested(
mock.patch.object(self._driver, '_get_mount_point_for_share'),
mock.patch.object(putils, 'execute')
) as (mock_get_mntp_share, mock_execute):
mock_get_mntp_share.return_value = test_hashpath
self._driver._do_umount(True, test_share)
self.assertTrue(mock_get_mntp_share.called)
self.assertTrue(mock_execute.called)
mock_get_mntp_share.assert_called_once_with(test_share)
cmd = ['umount', test_hashpath]
self.assertEqual(cmd[0], mock_execute.call_args[0][0])
self.assertEqual(cmd[1], mock_execute.call_args[0][1])
self.assertEqual(True,
mock_execute.call_args[1]['run_as_root'])
mock_get_mntp_share.reset_mock()
mock_get_mntp_share.return_value = test_hashpath
mock_execute.reset_mock()
self._driver._do_umount(False, test_share)
self.assertTrue(mock_get_mntp_share.called)
self.assertTrue(mock_execute.called)
mock_get_mntp_share.assert_called_once_with(test_share)
cmd = ['umount', test_hashpath]
self.assertEqual(cmd[0], mock_execute.call_args[0][0])
self.assertEqual(cmd[1], mock_execute.call_args[0][1])
self.assertEqual(True,
mock_execute.call_args[1]['run_as_root'])
def test_do_umount_with_excp1(self):
test_share = '127.7.7.7:/gluster1'
test_hashpath = '/hashed/mnt/path'
with contextlib.nested(
mock.patch.object(self._driver, '_get_mount_point_for_share'),
mock.patch.object(putils, 'execute'),
mock.patch.object(glusterfs, 'LOG')
) as (mock_get_mntp_share, mock_execute, mock_logger):
mock_get_mntp_share.return_value = test_hashpath
mock_execute.side_effect = putils.ProcessExecutionError
self.assertRaises(putils.ProcessExecutionError,
self._driver._do_umount, False,
test_share)
mock_logger.reset_mock()
mock_logger.info.reset_mock()
mock_logger.error.reset_mock()
mock_execute.side_effect = putils.ProcessExecutionError
try:
self._driver._do_umount(False, test_share)
except putils.ProcessExecutionError:
self.assertFalse(mock_logger.info.called)
self.assertTrue(mock_logger.error.called)
except Exception as e:
self.fail('Unexpected exception thrown:', e)
else:
self.fail('putils.ProcessExecutionError not thrown')
def test_do_umount_with_excp2(self):
test_share = '127.7.7.7:/gluster1'
test_hashpath = '/hashed/mnt/path'
with contextlib.nested(
mock.patch.object(self._driver, '_get_mount_point_for_share'),
mock.patch.object(putils, 'execute'),
mock.patch.object(glusterfs, 'LOG')
) as (mock_get_mntp_share, mock_execute, mock_logger):
mock_get_mntp_share.return_value = test_hashpath
mock_stderr = _("umount: %s: not mounted") % test_hashpath
mock_execute.side_effect = putils.ProcessExecutionError(
stderr=mock_stderr)
self._driver._do_umount(True, test_share)
self.assertTrue(mock_logger.info.called)
self.assertFalse(mock_logger.error.called)
mock_logger.reset_mock()
mock_logger.info.reset_mock()
mock_logger.error.reset_mock()
mock_stderr = _("umount: %s: target is busy") %\
(test_hashpath)
mock_execute.side_effect = putils.ProcessExecutionError(
stderr=mock_stderr)
self.assertRaises(putils.ProcessExecutionError,
self._driver._do_umount, True,
test_share)
mock_logger.reset_mock()
mock_logger.info.reset_mock()
mock_logger.error.reset_mock()
mock_stderr = _('umount: %s: target is busy') %\
(test_hashpath)
mock_execute.side_effect = putils.ProcessExecutionError(
stderr=mock_stderr)
try:
self._driver._do_umount(True, test_share)
except putils.ProcessExecutionError:
self.assertFalse(mock_logger.info.called)
self.assertTrue(mock_logger.error.called)
except Exception as e:
self.fail('Unexpected exception thrown:', e)
else:
self.fail('putils.ProcessExecutionError not thrown')
def test_delete_should_ensure_share_mounted(self):
"""delete_volume should ensure that corresponding share is mounted."""
mox = self._mox
drv = self._driver
self.stub_out_not_replaying(drv, '_execute')
volume = DumbVolume()
volume['name'] = 'volume-123'
volume['provider_location'] = self.TEST_EXPORT1
mox.StubOutWithMock(drv, '_ensure_share_mounted')
drv._ensure_share_mounted(self.TEST_EXPORT1)
mox.ReplayAll()
drv.delete_volume(volume)
mox.VerifyAll()
def test_delete_should_not_delete_if_provider_location_not_provided(self):
"""delete_volume shouldn't delete if provider_location missed."""
mox = self._mox
drv = self._driver
self.stub_out_not_replaying(drv, '_ensure_share_mounted')
volume = DumbVolume()
volume['name'] = 'volume-123'
volume['provider_location'] = None
mox.StubOutWithMock(drv, '_execute')
mox.ReplayAll()
drv.delete_volume(volume)
mox.VerifyAll()
def test_read_info_file(self):
(mox, drv) = self._mox, self._driver
mox.StubOutWithMock(drv, '_read_file')
hashed = drv._get_hash_str(self.TEST_EXPORT1)
volume_path = '%s/%s/volume-%s' % (self.TEST_MNT_POINT_BASE,
hashed,
self.VOLUME_UUID)
info_path = '%s%s' % (volume_path, '.info')
drv._read_file(info_path).AndReturn('{"%(id)s": "volume-%(id)s"}' %
{'id': self.VOLUME_UUID})
mox.ReplayAll()
volume = DumbVolume()