1954 lines
70 KiB
Python
1954 lines
70 KiB
Python
# Copyright (c) 2013 Red Hat, Inc.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""Unit tests for the GlusterFS driver module."""
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import contextlib
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import errno
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import os
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import tempfile
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import time
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import traceback
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import mock
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import mox as mox_lib
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from mox import IgnoreArg
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from mox import IsA
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from mox import stubout
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from oslo.concurrency import processutils as putils
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from oslo.config import cfg
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from oslo.utils import units
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from cinder import brick
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from cinder import compute
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from cinder import context
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from cinder import db
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from cinder import exception
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from cinder.i18n import _
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from cinder.image import image_utils
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from cinder.openstack.common import imageutils
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from cinder import test
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from cinder import utils
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from cinder.volume import configuration as conf
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from cinder.volume import driver as base_driver
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from cinder.volume.drivers import glusterfs
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CONF = cfg.CONF
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class DumbVolume(object):
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fields = {}
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def __setitem__(self, key, value):
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self.fields[key] = value
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def __getitem__(self, item):
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return self.fields[item]
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class FakeDb(object):
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msg = "Tests are broken: mock this out."
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def volume_get(self, *a, **kw):
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raise Exception(self.msg)
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def snapshot_get_all_for_volume(self, *a, **kw):
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"""Mock this if you want results from it."""
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return []
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class GlusterFsDriverTestCase(test.TestCase):
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"""Test case for GlusterFS driver."""
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TEST_EXPORT1 = 'glusterfs-host1:/export'
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TEST_EXPORT2 = 'glusterfs-host2:/export'
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TEST_EXPORT2_OPTIONS = '-o backupvolfile-server=glusterfs-backup1'
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TEST_SIZE_IN_GB = 1
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TEST_MNT_POINT = '/mnt/glusterfs'
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TEST_MNT_POINT_BASE = '/mnt/test'
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TEST_LOCAL_PATH = '/mnt/glusterfs/volume-123'
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TEST_FILE_NAME = 'test.txt'
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TEST_SHARES_CONFIG_FILE = '/etc/cinder/test-shares.conf'
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TEST_TMP_FILE = '/tmp/tempfile'
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VOLUME_UUID = 'abcdefab-cdef-abcd-efab-cdefabcdefab'
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VOLUME_NAME = 'volume-%s' % VOLUME_UUID
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SNAP_UUID = 'bacadaca-baca-daca-baca-dacadacadaca'
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SNAP_UUID_2 = 'bebedede-bebe-dede-bebe-dedebebedede'
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def setUp(self):
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super(GlusterFsDriverTestCase, self).setUp()
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self._mox = mox_lib.Mox()
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self._configuration = mox_lib.MockObject(conf.Configuration)
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self._configuration.append_config_values(mox_lib.IgnoreArg())
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self._configuration.glusterfs_shares_config = \
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self.TEST_SHARES_CONFIG_FILE
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self._configuration.glusterfs_mount_point_base = \
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self.TEST_MNT_POINT_BASE
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self._configuration.glusterfs_sparsed_volumes = True
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self._configuration.glusterfs_qcow2_volumes = False
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self._configuration.nas_secure_file_permissions = 'false'
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self._configuration.nas_secure_file_operations = 'false'
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self.stubs = stubout.StubOutForTesting()
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self._driver =\
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glusterfs.GlusterfsDriver(configuration=self._configuration,
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db=FakeDb())
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self._driver.shares = {}
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compute.API = mock.MagicMock()
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self.addCleanup(self._mox.UnsetStubs)
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def stub_out_not_replaying(self, obj, attr_name):
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attr_to_replace = getattr(obj, attr_name)
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stub = mox_lib.MockObject(attr_to_replace)
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self.stubs.Set(obj, attr_name, stub)
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def assertRaisesAndMessageMatches(
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self, excClass, msg, callableObj, *args, **kwargs):
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"""Ensure that 'excClass' was raised and its message contains 'msg'."""
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caught = False
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try:
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callableObj(*args, **kwargs)
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except Exception as exc:
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caught = True
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self.assertEqual(excClass, type(exc),
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'Wrong exception caught: %s Stacktrace: %s' %
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(exc, traceback.print_exc()))
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self.assertIn(msg, str(exc))
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if not caught:
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self.fail('Expected raised exception but nothing caught.')
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def test_set_execute(self):
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mox = self._mox
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drv = self._driver
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rfsclient = brick.remotefs.remotefs.RemoteFsClient
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mox.StubOutWithMock(rfsclient, 'set_execute')
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def my_execute(*a, **k):
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pass
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rfsclient.set_execute(my_execute)
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mox.ReplayAll()
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drv.set_execute(my_execute)
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mox.VerifyAll()
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def test_local_path(self):
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"""local_path common use case."""
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self.override_config("glusterfs_mount_point_base",
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self.TEST_MNT_POINT_BASE)
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drv = self._driver
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volume = DumbVolume()
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volume['provider_location'] = self.TEST_EXPORT1
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volume['name'] = 'volume-123'
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self.assertEqual(
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'/mnt/test/ab03ab34eaca46a5fb81878f7e9b91fc/volume-123',
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drv.local_path(volume))
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def test_mount_glusterfs_should_mount_correctly(self):
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"""_mount_glusterfs common case usage."""
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mox = self._mox
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drv = self._driver
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mox.StubOutWithMock(drv, '_execute')
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drv._execute('mkdir', '-p', self.TEST_MNT_POINT)
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drv._execute('mount', '-t', 'glusterfs', self.TEST_EXPORT1,
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self.TEST_MNT_POINT, run_as_root=True)
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mox.ReplayAll()
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drv._mount_glusterfs(self.TEST_EXPORT1, self.TEST_MNT_POINT)
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mox.VerifyAll()
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def test_mount_glusterfs_should_suppress_already_mounted_error(self):
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"""_mount_glusterfs should suppress already mounted error if
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ensure=True
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"""
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mox = self._mox
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drv = self._driver
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mox.StubOutWithMock(drv, '_execute')
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drv._execute('mkdir', '-p', self.TEST_MNT_POINT)
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drv._execute('mount', '-t', 'glusterfs', self.TEST_EXPORT1,
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self.TEST_MNT_POINT, run_as_root=True).\
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AndRaise(putils.ProcessExecutionError(
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stderr='is busy or already mounted'))
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mox.ReplayAll()
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drv._mount_glusterfs(self.TEST_EXPORT1, self.TEST_MNT_POINT,
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ensure=True)
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mox.VerifyAll()
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def test_mount_glusterfs_should_reraise_already_mounted_error(self):
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"""_mount_glusterfs should not suppress already mounted error
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if ensure=False
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"""
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mox = self._mox
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drv = self._driver
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mox.StubOutWithMock(drv, '_execute')
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drv._execute('mkdir', '-p', self.TEST_MNT_POINT)
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drv._execute(
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'mount',
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'-t',
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'glusterfs',
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self.TEST_EXPORT1,
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self.TEST_MNT_POINT,
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run_as_root=True). \
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AndRaise(putils.ProcessExecutionError(stderr='is busy or '
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'already mounted'))
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mox.ReplayAll()
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self.assertRaises(putils.ProcessExecutionError, drv._mount_glusterfs,
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self.TEST_EXPORT1, self.TEST_MNT_POINT,
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ensure=False)
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mox.VerifyAll()
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def test_mount_glusterfs_should_create_mountpoint_if_not_yet(self):
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"""_mount_glusterfs should create mountpoint if it doesn't exist."""
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mox = self._mox
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drv = self._driver
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mox.StubOutWithMock(drv, '_execute')
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drv._execute('mkdir', '-p', self.TEST_MNT_POINT)
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drv._execute(*([IgnoreArg()] * 5), run_as_root=IgnoreArg())
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mox.ReplayAll()
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drv._mount_glusterfs(self.TEST_EXPORT1, self.TEST_MNT_POINT)
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mox.VerifyAll()
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def test_get_hash_str(self):
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"""_get_hash_str should calculation correct value."""
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drv = self._driver
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self.assertEqual('ab03ab34eaca46a5fb81878f7e9b91fc',
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drv._get_hash_str(self.TEST_EXPORT1))
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def test_get_mount_point_for_share(self):
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"""_get_mount_point_for_share should call RemoteFsClient."""
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mox = self._mox
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drv = self._driver
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hashed_path = '/mnt/test/abcdefabcdef'
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mox.StubOutWithMock(brick.remotefs.remotefs.RemoteFsClient,
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'get_mount_point')
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self.override_config("glusterfs_mount_point_base",
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self.TEST_MNT_POINT_BASE)
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brick.remotefs.remotefs.RemoteFsClient.\
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get_mount_point(self.TEST_EXPORT1).AndReturn(hashed_path)
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mox.ReplayAll()
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drv._get_mount_point_for_share(self.TEST_EXPORT1)
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mox.VerifyAll()
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def test_get_available_capacity_with_df(self):
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"""_get_available_capacity should calculate correct value."""
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mox = self._mox
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drv = self._driver
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df_total_size = 2620544
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df_avail = 1490560
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df_head = 'Filesystem 1K-blocks Used Available Use% Mounted on\n'
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df_data = 'glusterfs-host:/export %d 996864 %d 41%% /mnt' % \
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(df_total_size, df_avail)
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df_output = df_head + df_data
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mox.StubOutWithMock(drv, '_get_mount_point_for_share')
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drv._get_mount_point_for_share(self.TEST_EXPORT1).\
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AndReturn(self.TEST_MNT_POINT)
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mox.StubOutWithMock(drv, '_execute')
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drv._execute('df', '--portability', '--block-size', '1',
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self.TEST_MNT_POINT,
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run_as_root=True).AndReturn((df_output, None))
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mox.ReplayAll()
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self.assertEqual((df_avail, df_total_size),
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drv._get_available_capacity(self.TEST_EXPORT1))
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mox.VerifyAll()
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def test_load_shares_config(self):
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mox = self._mox
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drv = self._driver
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drv.configuration.glusterfs_shares_config = (
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self.TEST_SHARES_CONFIG_FILE)
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mox.StubOutWithMock(drv, '_read_config_file')
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config_data = []
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config_data.append(self.TEST_EXPORT1)
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config_data.append('#' + self.TEST_EXPORT2)
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config_data.append(self.TEST_EXPORT2 + ' ' + self.TEST_EXPORT2_OPTIONS)
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config_data.append('broken:share_format')
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config_data.append('')
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drv._read_config_file(self.TEST_SHARES_CONFIG_FILE).\
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AndReturn(config_data)
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mox.ReplayAll()
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drv._load_shares_config(drv.configuration.glusterfs_shares_config)
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self.assertIn(self.TEST_EXPORT1, drv.shares)
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self.assertIn(self.TEST_EXPORT2, drv.shares)
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self.assertEqual(len(drv.shares), 2)
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self.assertEqual(drv.shares[self.TEST_EXPORT2],
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self.TEST_EXPORT2_OPTIONS)
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mox.VerifyAll()
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def test_ensure_share_mounted(self):
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"""_ensure_share_mounted simple use case."""
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mox = self._mox
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drv = self._driver
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mox.StubOutWithMock(utils, 'get_file_mode')
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mox.StubOutWithMock(utils, 'get_file_gid')
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mox.StubOutWithMock(drv, '_execute')
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mox.StubOutWithMock(drv, '_ensure_share_writable')
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mox.StubOutWithMock(drv, '_get_mount_point_for_share')
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drv._get_mount_point_for_share(self.TEST_EXPORT1).\
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AndReturn(self.TEST_MNT_POINT)
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mox.StubOutWithMock(drv, '_mount_glusterfs')
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drv._mount_glusterfs(self.TEST_EXPORT1, self.TEST_MNT_POINT,
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ensure=True)
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utils.get_file_gid(self.TEST_MNT_POINT).AndReturn(333333)
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utils.get_file_mode(self.TEST_MNT_POINT).AndReturn(0o777)
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drv._ensure_share_writable(self.TEST_MNT_POINT)
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drv._execute('chgrp', IgnoreArg(), self.TEST_MNT_POINT,
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run_as_root=True)
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mox.ReplayAll()
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drv._ensure_share_mounted(self.TEST_EXPORT1)
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mox.VerifyAll()
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def test_ensure_shares_mounted_should_save_mounting_successfully(self):
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"""_ensure_shares_mounted should save share if mounted with success."""
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mox = self._mox
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drv = self._driver
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mox.StubOutWithMock(drv, '_read_config_file')
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config_data = []
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config_data.append(self.TEST_EXPORT1)
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drv._read_config_file(self.TEST_SHARES_CONFIG_FILE).\
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AndReturn(config_data)
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mox.StubOutWithMock(drv, '_ensure_share_mounted')
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drv._ensure_share_mounted(self.TEST_EXPORT1)
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mox.ReplayAll()
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drv._ensure_shares_mounted()
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self.assertEqual(1, len(drv._mounted_shares))
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self.assertEqual(self.TEST_EXPORT1, drv._mounted_shares[0])
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mox.VerifyAll()
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def test_ensure_shares_mounted_should_not_save_mounting_with_error(self):
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"""_ensure_shares_mounted should not save share if failed to mount."""
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mox = self._mox
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drv = self._driver
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mox.StubOutWithMock(drv, '_read_config_file')
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config_data = []
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config_data.append(self.TEST_EXPORT1)
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drv._read_config_file(self.TEST_SHARES_CONFIG_FILE).\
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AndReturn(config_data)
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mox.StubOutWithMock(drv, '_ensure_share_mounted')
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drv._ensure_share_mounted(self.TEST_EXPORT1).AndRaise(Exception())
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mox.ReplayAll()
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drv._ensure_shares_mounted()
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self.assertEqual(0, len(drv._mounted_shares))
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mox.VerifyAll()
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def test_setup_should_throw_error_if_shares_config_not_configured(self):
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"""do_setup should throw error if shares config is not configured."""
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drv = self._driver
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drv.configuration.glusterfs_shares_config = None
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self.assertRaisesAndMessageMatches(exception.GlusterfsException,
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'no Gluster config file configured',
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drv.do_setup,
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IsA(context.RequestContext))
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def test_setup_should_throw_exception_if_client_is_not_installed(self):
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"""do_setup should throw exception if client is not installed."""
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mox = self._mox
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drv = self._driver
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self.override_config("glusterfs_shares_config",
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self.TEST_SHARES_CONFIG_FILE)
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mox.StubOutWithMock(os.path, 'exists')
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os.path.exists(self.TEST_SHARES_CONFIG_FILE).AndReturn(True)
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mox.StubOutWithMock(drv, '_execute')
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drv._execute('mount.glusterfs', check_exit_code=False).\
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AndRaise(OSError(errno.ENOENT, 'No such file or directory'))
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mox.ReplayAll()
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self.assertRaisesAndMessageMatches(exception.GlusterfsException,
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'mount.glusterfs is not installed',
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drv.do_setup,
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IsA(context.RequestContext))
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mox.VerifyAll()
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def _fake_load_shares_config(self, conf):
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self._driver.shares = {'127.7.7.7:/gluster1': None}
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def _fake_NamedTemporaryFile(self, prefix=None, dir=None):
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raise OSError('Permission denied!')
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def test_setup_set_share_permissions(self):
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mox = self._mox
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drv = self._driver
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self.override_config("glusterfs_shares_config",
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self.TEST_SHARES_CONFIG_FILE)
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self.stubs.Set(drv, '_load_shares_config',
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self._fake_load_shares_config)
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self.stubs.Set(tempfile, 'NamedTemporaryFile',
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self._fake_NamedTemporaryFile)
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mox.StubOutWithMock(os.path, 'exists')
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mox.StubOutWithMock(drv, '_execute')
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mox.StubOutWithMock(utils, 'get_file_gid')
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mox.StubOutWithMock(utils, 'get_file_mode')
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mox.StubOutWithMock(os, 'getegid')
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drv._execute('mount.glusterfs', check_exit_code=False)
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drv._execute('umount', '/mnt/test/8f0473c9ad824b8b6a27264b9cacb005',
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run_as_root=True)
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drv._execute('mkdir', '-p', mox_lib.IgnoreArg())
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os.path.exists(self.TEST_SHARES_CONFIG_FILE).AndReturn(True)
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drv._execute('mount', '-t', 'glusterfs', '127.7.7.7:/gluster1',
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mox_lib.IgnoreArg(), run_as_root=True)
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utils.get_file_gid(mox_lib.IgnoreArg()).AndReturn(33333)
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# perms not writable
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utils.get_file_mode(mox_lib.IgnoreArg()).AndReturn(0o000)
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os.getegid().AndReturn(888)
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drv._execute('chgrp', 888, mox_lib.IgnoreArg(), run_as_root=True)
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drv._execute('chmod', 'g+w', mox_lib.IgnoreArg(), run_as_root=True)
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mox.ReplayAll()
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drv.do_setup(IsA(context.RequestContext))
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mox.VerifyAll()
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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()
|
|
volume['id'] = self.VOLUME_UUID
|
|
volume['name'] = 'volume-%s' % self.VOLUME_UUID
|
|
|
|
info = drv._read_info_file(info_path)
|
|
|
|
self.assertEqual(info[self.VOLUME_UUID],
|
|
'volume-%s' % self.VOLUME_UUID)
|
|
|
|
mox.VerifyAll()
|
|
|
|
def test_extend_volume(self):
|
|
(mox, drv) = self._mox, self._driver
|
|
|
|
volume = self._simple_volume()
|
|
|
|
volume_path = '%s/%s/volume-%s' % (self.TEST_MNT_POINT_BASE,
|
|
drv._get_hash_str(
|
|
self.TEST_EXPORT1),
|
|
self.VOLUME_UUID)
|
|
|
|
qemu_img_info_output = """image: volume-%s
|
|
file format: qcow2
|
|
virtual size: 1.0G (1073741824 bytes)
|
|
disk size: 473K
|
|
""" % self.VOLUME_UUID
|
|
|
|
img_info = imageutils.QemuImgInfo(qemu_img_info_output)
|
|
|
|
mox.StubOutWithMock(drv, '_execute')
|
|
mox.StubOutWithMock(drv, 'get_active_image_from_info')
|
|
mox.StubOutWithMock(image_utils, 'qemu_img_info')
|
|
mox.StubOutWithMock(image_utils, 'resize_image')
|
|
|
|
drv.get_active_image_from_info(volume).AndReturn(volume['name'])
|
|
|
|
image_utils.qemu_img_info(volume_path).AndReturn(img_info)
|
|
|
|
image_utils.resize_image(volume_path, 3)
|
|
|
|
mox.ReplayAll()
|
|
|
|
drv.extend_volume(volume, 3)
|
|
|
|
mox.VerifyAll()
|
|
|
|
def test_create_snapshot_online(self):
|
|
(mox, drv) = self._mox, self._driver
|
|
|
|
volume = self._simple_volume()
|
|
volume['status'] = 'in-use'
|
|
|
|
hashed = drv._get_hash_str(self.TEST_EXPORT1)
|
|
volume_file = 'volume-%s' % self.VOLUME_UUID
|
|
volume_path = '%s/%s/%s' % (self.TEST_MNT_POINT_BASE,
|
|
hashed,
|
|
volume_file)
|
|
|
|
ctxt = context.RequestContext('fake_user', 'fake_project')
|
|
|
|
snap_ref = {'name': 'test snap (online)',
|
|
'volume_id': self.VOLUME_UUID,
|
|
'volume': volume,
|
|
'id': self.SNAP_UUID,
|
|
'context': ctxt,
|
|
'status': 'asdf',
|
|
'progress': 'asdf'}
|
|
|
|
snap_path = '%s.%s' % (volume_path, self.SNAP_UUID)
|
|
snap_file = '%s.%s' % (volume_file, self.SNAP_UUID)
|
|
|
|
mox.StubOutWithMock(drv, '_execute')
|
|
mox.StubOutWithMock(drv, '_do_create_snapshot')
|
|
mox.StubOutWithMock(db, 'snapshot_get')
|
|
mox.StubOutWithMock(drv, '_nova')
|
|
# Stub out the busy wait.
|
|
self.stub_out_not_replaying(time, 'sleep')
|
|
|
|
drv._do_create_snapshot(snap_ref, snap_file, snap_path)
|
|
|
|
create_info = {'snapshot_id': snap_ref['id'],
|
|
'type': 'qcow2',
|
|
'new_file': snap_file}
|
|
|
|
drv._nova.create_volume_snapshot(ctxt, self.VOLUME_UUID, create_info)
|
|
|
|
snap_ref_progress = snap_ref.copy()
|
|
snap_ref_progress['status'] = 'creating'
|
|
|
|
snap_ref_progress_0p = snap_ref_progress.copy()
|
|
snap_ref_progress_0p['progress'] = '0%'
|
|
db.snapshot_get(ctxt, self.SNAP_UUID).AndReturn(snap_ref_progress_0p)
|
|
|
|
snap_ref_progress_50p = snap_ref_progress.copy()
|
|
snap_ref_progress_50p['progress'] = '50%'
|
|
db.snapshot_get(ctxt, self.SNAP_UUID).AndReturn(snap_ref_progress_50p)
|
|
|
|
snap_ref_progress_90p = snap_ref_progress.copy()
|
|
snap_ref_progress_90p['progress'] = '90%'
|
|
db.snapshot_get(ctxt, self.SNAP_UUID).AndReturn(snap_ref_progress_90p)
|
|
|
|
mox.ReplayAll()
|
|
|
|
drv._create_snapshot_online(snap_ref, snap_file, snap_path)
|
|
|
|
mox.VerifyAll()
|
|
|
|
def test_create_snapshot_online_novafailure(self):
|
|
(mox, drv) = self._mox, self._driver
|
|
|
|
volume = self._simple_volume()
|
|
volume['status'] = 'in-use'
|
|
|
|
hashed = drv._get_hash_str(self.TEST_EXPORT1)
|
|
volume_file = 'volume-%s' % self.VOLUME_UUID
|
|
volume_path = '%s/%s/%s' % (self.TEST_MNT_POINT_BASE,
|
|
hashed,
|
|
volume_file)
|
|
|
|
ctxt = context.RequestContext('fake_user', 'fake_project')
|
|
|
|
snap_ref = {'name': 'test snap (online)',
|
|
'volume_id': self.VOLUME_UUID,
|
|
'volume': volume,
|
|
'id': self.SNAP_UUID,
|
|
'context': ctxt}
|
|
|
|
snap_path = '%s.%s' % (volume_path, self.SNAP_UUID)
|
|
snap_file = '%s.%s' % (volume_file, self.SNAP_UUID)
|
|
|
|
mox.StubOutWithMock(drv, '_execute')
|
|
mox.StubOutWithMock(drv, '_do_create_snapshot')
|
|
mox.StubOutWithMock(drv, '_nova')
|
|
# Stub out the busy wait.
|
|
self.stub_out_not_replaying(time, 'sleep')
|
|
mox.StubOutWithMock(db, 'snapshot_get')
|
|
|
|
drv._do_create_snapshot(snap_ref, snap_file, snap_path)
|
|
|
|
create_info = {'snapshot_id': snap_ref['id'],
|
|
'type': 'qcow2',
|
|
'new_file': snap_file}
|
|
|
|
drv._nova.create_volume_snapshot(ctxt, self.VOLUME_UUID, create_info)
|
|
|
|
snap_ref_progress = snap_ref.copy()
|
|
snap_ref_progress['status'] = 'creating'
|
|
|
|
snap_ref_progress_0p = snap_ref_progress.copy()
|
|
snap_ref_progress_0p['progress'] = '0%'
|
|
db.snapshot_get(ctxt, self.SNAP_UUID).AndReturn(snap_ref_progress_0p)
|
|
|
|
snap_ref_progress_50p = snap_ref_progress.copy()
|
|
snap_ref_progress_50p['progress'] = '50%'
|
|
db.snapshot_get(ctxt, self.SNAP_UUID).AndReturn(snap_ref_progress_50p)
|
|
|
|
snap_ref_progress_99p = snap_ref_progress.copy()
|
|
snap_ref_progress_99p['progress'] = '99%'
|
|
snap_ref_progress_99p['status'] = 'error'
|
|
db.snapshot_get(ctxt, self.SNAP_UUID).AndReturn(snap_ref_progress_99p)
|
|
|
|
mox.ReplayAll()
|
|
|
|
self.assertRaisesAndMessageMatches(
|
|
exception.RemoteFSException,
|
|
'Nova returned "error" status while creating snapshot.',
|
|
drv._create_snapshot_online,
|
|
snap_ref, snap_file, snap_path)
|
|
|
|
mox.VerifyAll()
|
|
|
|
def test_delete_snapshot_online_1(self):
|
|
"""Delete the newest snapshot, with only one snap present."""
|
|
(mox, drv) = self._mox, self._driver
|
|
|
|
volume = self._simple_volume()
|
|
volume['status'] = 'in-use'
|
|
|
|
ctxt = context.RequestContext('fake_user', 'fake_project')
|
|
|
|
snap_ref = {'name': 'test snap to delete (online)',
|
|
'volume_id': self.VOLUME_UUID,
|
|
'volume': volume,
|
|
'id': self.SNAP_UUID,
|
|
'context': ctxt}
|
|
|
|
hashed = drv._get_hash_str(self.TEST_EXPORT1)
|
|
volume_file = 'volume-%s' % self.VOLUME_UUID
|
|
volume_dir = os.path.join(self.TEST_MNT_POINT_BASE, hashed)
|
|
volume_path = '%s/%s/%s' % (self.TEST_MNT_POINT_BASE,
|
|
hashed,
|
|
volume_file)
|
|
info_path = '%s.info' % volume_path
|
|
|
|
snap_path = '%s.%s' % (volume_path, self.SNAP_UUID)
|
|
snap_file = '%s.%s' % (volume_file, self.SNAP_UUID)
|
|
|
|
mox.StubOutWithMock(drv, '_execute')
|
|
mox.StubOutWithMock(drv, '_nova')
|
|
# Stub out the busy wait.
|
|
self.stub_out_not_replaying(time, 'sleep')
|
|
mox.StubOutWithMock(drv, '_read_info_file')
|
|
mox.StubOutWithMock(drv, '_write_info_file')
|
|
mox.StubOutWithMock(db, 'snapshot_get')
|
|
mox.StubOutWithMock(image_utils, 'qemu_img_info')
|
|
mox.StubOutWithMock(drv, '_ensure_share_writable')
|
|
|
|
snap_info = {'active': snap_file,
|
|
self.SNAP_UUID: snap_file}
|
|
|
|
drv._ensure_share_writable(volume_dir)
|
|
|
|
drv._read_info_file(info_path, empty_if_missing=True).\
|
|
AndReturn(snap_info)
|
|
|
|
qemu_img_info_output = """image: %s
|
|
file format: qcow2
|
|
virtual size: 1.0G (1073741824 bytes)
|
|
disk size: 173K
|
|
backing file: %s
|
|
""" % (snap_file, volume_file)
|
|
img_info = imageutils.QemuImgInfo(qemu_img_info_output)
|
|
|
|
vol_qemu_img_info_output = """image: %s
|
|
file format: raw
|
|
virtual size: 1.0G (1073741824 bytes)
|
|
disk size: 173K
|
|
""" % volume_file
|
|
volume_img_info = imageutils.QemuImgInfo(vol_qemu_img_info_output)
|
|
|
|
image_utils.qemu_img_info(snap_path).AndReturn(img_info)
|
|
|
|
image_utils.qemu_img_info(volume_path).AndReturn(volume_img_info)
|
|
|
|
drv._read_info_file(info_path, empty_if_missing=True).\
|
|
AndReturn(snap_info)
|
|
|
|
delete_info = {
|
|
'type': 'qcow2',
|
|
'merge_target_file': None,
|
|
'file_to_merge': None,
|
|
'volume_id': self.VOLUME_UUID
|
|
}
|
|
|
|
drv._nova.delete_volume_snapshot(ctxt, self.SNAP_UUID, delete_info)
|
|
|
|
drv._read_info_file(info_path).AndReturn(snap_info)
|
|
|
|
snap_ref_progress = snap_ref.copy()
|
|
snap_ref_progress['status'] = 'deleting'
|
|
|
|
snap_ref_progress_0p = snap_ref_progress.copy()
|
|
snap_ref_progress_0p['progress'] = '0%'
|
|
db.snapshot_get(ctxt, self.SNAP_UUID).AndReturn(snap_ref_progress_0p)
|
|
|
|
snap_ref_progress_50p = snap_ref_progress.copy()
|
|
snap_ref_progress_50p['progress'] = '50%'
|
|
db.snapshot_get(ctxt, self.SNAP_UUID).AndReturn(snap_ref_progress_50p)
|
|
|
|
snap_ref_progress_90p = snap_ref_progress.copy()
|
|
snap_ref_progress_90p['progress'] = '90%'
|
|
db.snapshot_get(ctxt, self.SNAP_UUID).AndReturn(snap_ref_progress_90p)
|
|
|
|
drv._write_info_file(info_path, snap_info)
|
|
|
|
drv._execute('rm', '-f', volume_path, run_as_root=True)
|
|
|
|
mox.ReplayAll()
|
|
|
|
drv.delete_snapshot(snap_ref)
|
|
|
|
mox.VerifyAll()
|
|
|
|
def test_delete_snapshot_online_2(self):
|
|
"""Delete the middle of 3 snapshots."""
|
|
(mox, drv) = self._mox, self._driver
|
|
|
|
volume = self._simple_volume()
|
|
volume['status'] = 'in-use'
|
|
|
|
ctxt = context.RequestContext('fake_user', 'fake_project')
|
|
|
|
snap_ref = {'name': 'test snap to delete (online)',
|
|
'volume_id': self.VOLUME_UUID,
|
|
'volume': volume,
|
|
'id': self.SNAP_UUID,
|
|
'context': ctxt}
|
|
|
|
hashed = drv._get_hash_str(self.TEST_EXPORT1)
|
|
volume_file = 'volume-%s' % self.VOLUME_UUID
|
|
volume_dir = os.path.join(self.TEST_MNT_POINT_BASE, hashed)
|
|
volume_path = '%s/%s/%s' % (self.TEST_MNT_POINT_BASE,
|
|
hashed,
|
|
volume_file)
|
|
info_path = '%s.info' % volume_path
|
|
|
|
snap_path = '%s.%s' % (volume_path, self.SNAP_UUID)
|
|
snap_file = '%s.%s' % (volume_file, self.SNAP_UUID)
|
|
snap_file_2 = '%s.%s' % (volume_file, self.SNAP_UUID_2)
|
|
|
|
mox.StubOutWithMock(drv, '_execute')
|
|
mox.StubOutWithMock(drv, '_nova')
|
|
# Stub out the busy wait.
|
|
self.stub_out_not_replaying(time, 'sleep')
|
|
mox.StubOutWithMock(drv, '_read_info_file')
|
|
mox.StubOutWithMock(drv, '_write_info_file')
|
|
mox.StubOutWithMock(db, 'snapshot_get')
|
|
mox.StubOutWithMock(image_utils, 'qemu_img_info')
|
|
mox.StubOutWithMock(drv, '_ensure_share_writable')
|
|
|
|
snap_info = {'active': snap_file_2,
|
|
self.SNAP_UUID: snap_file,
|
|
self.SNAP_UUID_2: snap_file_2}
|
|
|
|
drv._ensure_share_writable(volume_dir)
|
|
|
|
drv._read_info_file(info_path, empty_if_missing=True).\
|
|
AndReturn(snap_info)
|
|
|
|
qemu_img_info_output = """image: %s
|
|
file format: qcow2
|
|
virtual size: 1.0G (1073741824 bytes)
|
|
disk size: 173K
|
|
backing file: %s
|
|
""" % (snap_file, volume_file)
|
|
img_info = imageutils.QemuImgInfo(qemu_img_info_output)
|
|
|
|
vol_qemu_img_info_output = """image: %s
|
|
file format: raw
|
|
virtual size: 1.0G (1073741824 bytes)
|
|
disk size: 173K
|
|
""" % volume_file
|
|
volume_img_info = imageutils.QemuImgInfo(vol_qemu_img_info_output)
|
|
|
|
image_utils.qemu_img_info(snap_path).AndReturn(img_info)
|
|
|
|
image_utils.qemu_img_info(volume_path).AndReturn(volume_img_info)
|
|
|
|
drv._read_info_file(info_path, empty_if_missing=True).\
|
|
AndReturn(snap_info)
|
|
|
|
delete_info = {'type': 'qcow2',
|
|
'merge_target_file': volume_file,
|
|
'file_to_merge': snap_file,
|
|
'volume_id': self.VOLUME_UUID}
|
|
drv._nova.delete_volume_snapshot(ctxt, self.SNAP_UUID, delete_info)
|
|
|
|
drv._read_info_file(info_path).AndReturn(snap_info)
|
|
|
|
snap_ref_progress = snap_ref.copy()
|
|
snap_ref_progress['status'] = 'deleting'
|
|
|
|
snap_ref_progress_0p = snap_ref_progress.copy()
|
|
snap_ref_progress_0p['progress'] = '0%'
|
|
db.snapshot_get(ctxt, self.SNAP_UUID).AndReturn(snap_ref_progress_0p)
|
|
|
|
snap_ref_progress_50p = snap_ref_progress.copy()
|
|
snap_ref_progress_50p['progress'] = '50%'
|
|
db.snapshot_get(ctxt, self.SNAP_UUID).AndReturn(snap_ref_progress_50p)
|
|
|
|
snap_ref_progress_90p = snap_ref_progress.copy()
|
|
snap_ref_progress_90p['progress'] = '90%'
|
|
db.snapshot_get(ctxt, self.SNAP_UUID).AndReturn(snap_ref_progress_90p)
|
|
|
|
drv._write_info_file(info_path, snap_info)
|
|
|
|
drv._execute('rm', '-f', snap_path, run_as_root=True)
|
|
|
|
mox.ReplayAll()
|
|
|
|
drv.delete_snapshot(snap_ref)
|
|
|
|
mox.VerifyAll()
|
|
|
|
def test_delete_snapshot_online_novafailure(self):
|
|
"""Delete the newest snapshot."""
|
|
(mox, drv) = self._mox, self._driver
|
|
|
|
volume = self._simple_volume()
|
|
volume['status'] = 'in-use'
|
|
|
|
ctxt = context.RequestContext('fake_user', 'fake_project')
|
|
|
|
snap_ref = {'name': 'test snap to delete (online)',
|
|
'volume_id': self.VOLUME_UUID,
|
|
'volume': volume,
|
|
'id': self.SNAP_UUID,
|
|
'context': ctxt}
|
|
|
|
hashed = drv._get_hash_str(self.TEST_EXPORT1)
|
|
volume_file = 'volume-%s' % self.VOLUME_UUID
|
|
volume_dir = os.path.join(self.TEST_MNT_POINT_BASE, hashed)
|
|
volume_path = '%s/%s/%s' % (self.TEST_MNT_POINT_BASE,
|
|
hashed,
|
|
volume_file)
|
|
info_path = '%s.info' % volume_path
|
|
|
|
snap_path = '%s.%s' % (volume_path, self.SNAP_UUID)
|
|
snap_file = '%s.%s' % (volume_file, self.SNAP_UUID)
|
|
|
|
mox.StubOutWithMock(drv, '_execute')
|
|
mox.StubOutWithMock(drv, '_nova')
|
|
# Stub out the busy wait.
|
|
self.stub_out_not_replaying(time, 'sleep')
|
|
mox.StubOutWithMock(drv, '_read_info_file')
|
|
mox.StubOutWithMock(db, 'snapshot_get')
|
|
mox.StubOutWithMock(image_utils, 'qemu_img_info')
|
|
mox.StubOutWithMock(drv, '_ensure_share_writable')
|
|
|
|
snap_info = {'active': snap_file,
|
|
self.SNAP_UUID: snap_file}
|
|
|
|
drv._ensure_share_writable(volume_dir)
|
|
|
|
drv._read_info_file(info_path, empty_if_missing=True).\
|
|
AndReturn(snap_info)
|
|
|
|
qemu_img_info_output = """image: %s
|
|
file format: qcow2
|
|
virtual size: 1.0G (1073741824 bytes)
|
|
disk size: 173K
|
|
backing file: %s
|
|
""" % (snap_file, volume_file)
|
|
img_info = imageutils.QemuImgInfo(qemu_img_info_output)
|
|
|
|
vol_qemu_img_info_output = """image: %s
|
|
file format: raw
|
|
virtual size: 1.0G (1073741824 bytes)
|
|
disk size: 173K
|
|
""" % volume_file
|
|
volume_img_info = imageutils.QemuImgInfo(vol_qemu_img_info_output)
|
|
|
|
image_utils.qemu_img_info(snap_path).AndReturn(img_info)
|
|
|
|
image_utils.qemu_img_info(volume_path).AndReturn(volume_img_info)
|
|
|
|
drv._read_info_file(info_path, empty_if_missing=True).\
|
|
AndReturn(snap_info)
|
|
|
|
delete_info = {
|
|
'type': 'qcow2',
|
|
'merge_target_file': None,
|
|
'file_to_merge': None,
|
|
'volume_id': self.VOLUME_UUID
|
|
}
|
|
|
|
drv._nova.delete_volume_snapshot(ctxt, self.SNAP_UUID, delete_info)
|
|
|
|
drv._read_info_file(info_path).AndReturn(snap_info)
|
|
|
|
snap_ref_progress = snap_ref.copy()
|
|
snap_ref_progress['status'] = 'deleting'
|
|
|
|
snap_ref_progress_0p = snap_ref_progress.copy()
|
|
snap_ref_progress_0p['progress'] = '0%'
|
|
db.snapshot_get(ctxt, self.SNAP_UUID).AndReturn(snap_ref_progress_0p)
|
|
|
|
snap_ref_progress_50p = snap_ref_progress.copy()
|
|
snap_ref_progress_50p['progress'] = '50%'
|
|
db.snapshot_get(ctxt, self.SNAP_UUID).AndReturn(snap_ref_progress_50p)
|
|
|
|
snap_ref_progress_90p = snap_ref_progress.copy()
|
|
snap_ref_progress_90p['status'] = 'error_deleting'
|
|
snap_ref_progress_90p['progress'] = '90%'
|
|
db.snapshot_get(ctxt, self.SNAP_UUID).AndReturn(snap_ref_progress_90p)
|
|
|
|
mox.ReplayAll()
|
|
|
|
self.assertRaisesAndMessageMatches(exception.GlusterfsException,
|
|
'Unable to delete snapshot',
|
|
drv.delete_snapshot,
|
|
snap_ref)
|
|
|
|
mox.VerifyAll()
|
|
|
|
def test_get_backing_chain_for_path(self):
|
|
(mox, drv) = self._mox, self._driver
|
|
|
|
self.override_config('glusterfs_mount_point_base',
|
|
self.TEST_MNT_POINT_BASE)
|
|
|
|
volume = self._simple_volume()
|
|
vol_filename = volume['name']
|
|
vol_filename_2 = volume['name'] + '.abcd'
|
|
vol_filename_3 = volume['name'] + '.efef'
|
|
hashed = drv._get_hash_str(self.TEST_EXPORT1)
|
|
vol_dir = '%s/%s' % (self.TEST_MNT_POINT_BASE, hashed)
|
|
vol_path = '%s/%s' % (vol_dir, vol_filename)
|
|
vol_path_2 = '%s/%s' % (vol_dir, vol_filename_2)
|
|
vol_path_3 = '%s/%s' % (vol_dir, vol_filename_3)
|
|
|
|
mox.StubOutWithMock(drv, '_local_volume_dir')
|
|
mox.StubOutWithMock(image_utils, 'qemu_img_info')
|
|
|
|
qemu_img_output_base = """image: %(image_name)s
|
|
file format: qcow2
|
|
virtual size: 1.0G (1073741824 bytes)
|
|
disk size: 173K
|
|
"""
|
|
qemu_img_output = """image: %(image_name)s
|
|
file format: qcow2
|
|
virtual size: 1.0G (1073741824 bytes)
|
|
disk size: 173K
|
|
backing file: %(backing_file)s
|
|
"""
|
|
|
|
qemu_img_output_1 = qemu_img_output_base % {'image_name': vol_filename}
|
|
qemu_img_output_2 = qemu_img_output % {'image_name': vol_filename_2,
|
|
'backing_file': vol_filename}
|
|
qemu_img_output_3 = qemu_img_output % {'image_name': vol_filename_3,
|
|
'backing_file': vol_filename_2}
|
|
|
|
info_1 = imageutils.QemuImgInfo(qemu_img_output_1)
|
|
info_2 = imageutils.QemuImgInfo(qemu_img_output_2)
|
|
info_3 = imageutils.QemuImgInfo(qemu_img_output_3)
|
|
|
|
image_utils.qemu_img_info(vol_path_3).\
|
|
AndReturn(info_3)
|
|
drv._local_volume_dir(volume).AndReturn(vol_dir)
|
|
image_utils.qemu_img_info(vol_path_2).\
|
|
AndReturn(info_2)
|
|
drv._local_volume_dir(volume).AndReturn(vol_dir)
|
|
image_utils.qemu_img_info(vol_path).\
|
|
AndReturn(info_1)
|
|
|
|
mox.ReplayAll()
|
|
|
|
chain = drv._get_backing_chain_for_path(volume, vol_path_3)
|
|
|
|
mox.VerifyAll()
|
|
|
|
# Verify chain contains all expected data
|
|
item_1 = drv._get_matching_backing_file(chain, vol_filename)
|
|
self.assertEqual(item_1['filename'], vol_filename_2)
|
|
chain.remove(item_1)
|
|
item_2 = drv._get_matching_backing_file(chain, vol_filename_2)
|
|
self.assertEqual(item_2['filename'], vol_filename_3)
|
|
chain.remove(item_2)
|
|
self.assertEqual(len(chain), 1)
|
|
self.assertEqual(chain[0]['filename'], vol_filename)
|
|
|
|
def test_copy_volume_from_snapshot(self):
|
|
(mox, drv) = self._mox, self._driver
|
|
|
|
mox.StubOutWithMock(image_utils, 'convert_image')
|
|
mox.StubOutWithMock(drv, '_read_info_file')
|
|
mox.StubOutWithMock(image_utils, 'qemu_img_info')
|
|
mox.StubOutWithMock(drv, '_set_rw_permissions_for_all')
|
|
|
|
dest_volume = self._simple_volume(
|
|
'c1073000-0000-0000-0000-0000000c1073')
|
|
src_volume = self._simple_volume()
|
|
|
|
vol_dir = os.path.join(self.TEST_MNT_POINT_BASE,
|
|
drv._get_hash_str(self.TEST_EXPORT1))
|
|
src_vol_path = os.path.join(vol_dir, src_volume['name'])
|
|
dest_vol_path = os.path.join(vol_dir, dest_volume['name'])
|
|
info_path = os.path.join(vol_dir, src_volume['name']) + '.info'
|
|
|
|
snapshot = {'volume_name': src_volume['name'],
|
|
'name': 'clone-snap-%s' % src_volume['id'],
|
|
'size': src_volume['size'],
|
|
'volume_size': src_volume['size'],
|
|
'volume_id': src_volume['id'],
|
|
'id': 'tmp-snap-%s' % src_volume['id'],
|
|
'volume': src_volume}
|
|
|
|
snap_file = dest_volume['name'] + '.' + snapshot['id']
|
|
snap_path = os.path.join(vol_dir, snap_file)
|
|
|
|
size = dest_volume['size']
|
|
|
|
drv._read_info_file(info_path).AndReturn(
|
|
{'active': snap_file,
|
|
snapshot['id']: snap_file}
|
|
)
|
|
|
|
qemu_img_output = """image: %s
|
|
file format: raw
|
|
virtual size: 1.0G (1073741824 bytes)
|
|
disk size: 173K
|
|
backing file: %s
|
|
""" % (snap_file, src_volume['name'])
|
|
img_info = imageutils.QemuImgInfo(qemu_img_output)
|
|
|
|
image_utils.qemu_img_info(snap_path).AndReturn(img_info)
|
|
|
|
image_utils.convert_image(src_vol_path, dest_vol_path, 'raw')
|
|
|
|
drv._set_rw_permissions_for_all(dest_vol_path)
|
|
|
|
mox.ReplayAll()
|
|
|
|
drv._copy_volume_from_snapshot(snapshot, dest_volume, size)
|
|
|
|
mox.VerifyAll()
|
|
|
|
def test_create_volume_from_snapshot(self):
|
|
(mox, drv) = self._mox, self._driver
|
|
|
|
src_volume = self._simple_volume()
|
|
snap_ref = {'volume_name': src_volume['name'],
|
|
'name': 'clone-snap-%s' % src_volume['id'],
|
|
'size': src_volume['size'],
|
|
'volume_size': src_volume['size'],
|
|
'volume_id': src_volume['id'],
|
|
'id': 'tmp-snap-%s' % src_volume['id'],
|
|
'volume': src_volume,
|
|
'status': 'available'}
|
|
|
|
new_volume = DumbVolume()
|
|
new_volume['size'] = snap_ref['size']
|
|
|
|
mox.StubOutWithMock(drv, '_ensure_shares_mounted')
|
|
mox.StubOutWithMock(drv, '_find_share')
|
|
mox.StubOutWithMock(drv, '_do_create_volume')
|
|
mox.StubOutWithMock(drv, '_copy_volume_from_snapshot')
|
|
|
|
drv._ensure_shares_mounted()
|
|
|
|
drv._find_share(new_volume['size']).AndReturn(self.TEST_EXPORT1)
|
|
|
|
drv._do_create_volume(new_volume)
|
|
drv._copy_volume_from_snapshot(snap_ref,
|
|
new_volume,
|
|
new_volume['size'])
|
|
|
|
mox.ReplayAll()
|
|
|
|
drv.create_volume_from_snapshot(new_volume, snap_ref)
|
|
|
|
mox.VerifyAll()
|
|
|
|
def test_initialize_connection(self):
|
|
(mox, drv) = self._mox, self._driver
|
|
|
|
volume = self._simple_volume()
|
|
vol_dir = os.path.join(self.TEST_MNT_POINT_BASE,
|
|
drv._get_hash_str(self.TEST_EXPORT1))
|
|
vol_path = os.path.join(vol_dir, volume['name'])
|
|
|
|
qemu_img_output = """image: %s
|
|
file format: raw
|
|
virtual size: 1.0G (1073741824 bytes)
|
|
disk size: 173K
|
|
""" % volume['name']
|
|
img_info = imageutils.QemuImgInfo(qemu_img_output)
|
|
|
|
mox.StubOutWithMock(drv, 'get_active_image_from_info')
|
|
mox.StubOutWithMock(image_utils, 'qemu_img_info')
|
|
|
|
drv.get_active_image_from_info(volume).AndReturn(volume['name'])
|
|
image_utils.qemu_img_info(vol_path).AndReturn(img_info)
|
|
|
|
mox.ReplayAll()
|
|
|
|
conn_info = drv.initialize_connection(volume, None)
|
|
|
|
mox.VerifyAll()
|
|
|
|
self.assertEqual(conn_info['data']['format'], 'raw')
|
|
self.assertEqual(conn_info['driver_volume_type'], 'glusterfs')
|
|
self.assertEqual(conn_info['data']['name'], volume['name'])
|
|
self.assertEqual(conn_info['mount_point_base'],
|
|
self.TEST_MNT_POINT_BASE)
|
|
|
|
def test_get_mount_point_base(self):
|
|
drv = self._driver
|
|
|
|
self.assertEqual(drv._get_mount_point_base(),
|
|
self.TEST_MNT_POINT_BASE)
|
|
|
|
def test_backup_volume(self):
|
|
"""Backup a volume with no snapshots."""
|
|
|
|
(mox, drv) = self._mox, self._driver
|
|
|
|
mox.StubOutWithMock(drv.db, 'volume_get')
|
|
mox.StubOutWithMock(drv, 'get_active_image_from_info')
|
|
mox.StubOutWithMock(drv, '_qemu_img_info')
|
|
mox.StubOutWithMock(base_driver.VolumeDriver, 'backup_volume')
|
|
|
|
ctxt = context.RequestContext('fake_user', 'fake_project')
|
|
volume = self._simple_volume()
|
|
backup = {'volume_id': volume['id']}
|
|
|
|
drv.db.volume_get(ctxt, volume['id']).AndReturn(volume)
|
|
|
|
drv.get_active_image_from_info(IgnoreArg()).AndReturn('/some/path')
|
|
|
|
info = imageutils.QemuImgInfo()
|
|
info.file_format = 'raw'
|
|
|
|
drv._qemu_img_info(IgnoreArg(), IgnoreArg()).AndReturn(info)
|
|
|
|
base_driver.VolumeDriver.backup_volume(IgnoreArg(),
|
|
IgnoreArg(),
|
|
IgnoreArg())
|
|
|
|
mox.ReplayAll()
|
|
|
|
drv.backup_volume(ctxt, backup, IgnoreArg())
|
|
|
|
mox.VerifyAll()
|
|
|
|
def test_backup_volume_previous_snap(self):
|
|
"""Backup a volume that previously had a snapshot.
|
|
|
|
Snapshot was deleted, snap_info is different from above.
|
|
"""
|
|
|
|
(mox, drv) = self._mox, self._driver
|
|
|
|
mox.StubOutWithMock(drv.db, 'volume_get')
|
|
mox.StubOutWithMock(drv, 'get_active_image_from_info')
|
|
mox.StubOutWithMock(drv, '_qemu_img_info')
|
|
mox.StubOutWithMock(base_driver.VolumeDriver, 'backup_volume')
|
|
|
|
ctxt = context.RequestContext('fake_user', 'fake_project')
|
|
volume = self._simple_volume()
|
|
backup = {'volume_id': volume['id']}
|
|
|
|
drv.db.volume_get(ctxt, volume['id']).AndReturn(volume)
|
|
|
|
drv.get_active_image_from_info(IgnoreArg()).AndReturn('/some/file2')
|
|
|
|
info = imageutils.QemuImgInfo()
|
|
info.file_format = 'raw'
|
|
|
|
drv._qemu_img_info(IgnoreArg(), IgnoreArg()).AndReturn(info)
|
|
|
|
base_driver.VolumeDriver.backup_volume(IgnoreArg(),
|
|
IgnoreArg(),
|
|
IgnoreArg())
|
|
|
|
mox.ReplayAll()
|
|
|
|
drv.backup_volume(ctxt, backup, IgnoreArg())
|
|
|
|
mox.VerifyAll()
|
|
|
|
def test_backup_snap_failure_1(self):
|
|
"""Backup fails if snapshot exists (database)."""
|
|
|
|
(mox, drv) = self._mox, self._driver
|
|
mox.StubOutWithMock(drv.db, 'snapshot_get_all_for_volume')
|
|
|
|
ctxt = context.RequestContext('fake_user', 'fake_project')
|
|
volume = self._simple_volume()
|
|
backup = {'volume_id': volume['id']}
|
|
|
|
drv.db.snapshot_get_all_for_volume(ctxt, volume['id']).AndReturn(
|
|
[{'snap1': 'a'}, {'snap2': 'b'}])
|
|
|
|
mox.ReplayAll()
|
|
|
|
self.assertRaises(exception.InvalidVolume,
|
|
drv.backup_volume,
|
|
ctxt, backup, IgnoreArg())
|
|
|
|
mox.VerifyAll()
|
|
|
|
def test_backup_snap_failure_2(self):
|
|
"""Backup fails if snapshot exists (on-disk)."""
|
|
|
|
(mox, drv) = self._mox, self._driver
|
|
mox.StubOutWithMock(drv.db, 'volume_get')
|
|
mox.StubOutWithMock(drv, 'get_active_image_from_info')
|
|
mox.StubOutWithMock(drv, '_qemu_img_info')
|
|
|
|
ctxt = context.RequestContext('fake_user', 'fake_project')
|
|
volume = self._simple_volume()
|
|
backup = {'volume_id': volume['id']}
|
|
|
|
drv.db.volume_get(ctxt, volume['id']).AndReturn(volume)
|
|
|
|
drv.get_active_image_from_info(IgnoreArg()).\
|
|
AndReturn('/some/path/file2')
|
|
|
|
info = imageutils.QemuImgInfo()
|
|
info.file_format = 'raw'
|
|
info.backing_file = 'file1'
|
|
|
|
drv._qemu_img_info(IgnoreArg(), IgnoreArg()).AndReturn(info)
|
|
|
|
mox.ReplayAll()
|
|
|
|
self.assertRaises(exception.InvalidVolume,
|
|
drv.backup_volume,
|
|
ctxt, backup, IgnoreArg())
|
|
|
|
mox.VerifyAll()
|
|
|
|
def test_backup_failure_unsupported_format(self):
|
|
"""Attempt to backup a volume with a qcow2 base."""
|
|
|
|
(mox, drv) = self._mox, self._driver
|
|
|
|
mox.StubOutWithMock(drv, '_qemu_img_info')
|
|
mox.StubOutWithMock(drv.db, 'volume_get')
|
|
mox.StubOutWithMock(drv, 'get_active_image_from_info')
|
|
|
|
ctxt = context.RequestContext('fake_user', 'fake_project')
|
|
volume = self._simple_volume()
|
|
backup = {'volume_id': volume['id']}
|
|
|
|
drv.get_active_image_from_info(IgnoreArg()).AndReturn('/some/path')
|
|
|
|
info = imageutils.QemuImgInfo()
|
|
info.file_format = 'qcow2'
|
|
|
|
drv.db.volume_get(ctxt, volume['id']).AndReturn(volume)
|
|
drv._qemu_img_info(IgnoreArg(), IgnoreArg()).AndReturn(info)
|
|
|
|
mox.ReplayAll()
|
|
|
|
self.assertRaises(exception.InvalidVolume,
|
|
drv.backup_volume,
|
|
ctxt, backup, IgnoreArg())
|
|
|
|
mox.VerifyAll()
|
|
|
|
def test_copy_volume_to_image_raw_image(self):
|
|
drv = self._driver
|
|
|
|
volume = self._simple_volume()
|
|
volume_path = '%s/%s' % (self.TEST_MNT_POINT, volume['name'])
|
|
image_meta = {'id': '10958016-e196-42e3-9e7f-5d8927ae3099'}
|
|
|
|
with contextlib.nested(
|
|
mock.patch.object(drv, 'get_active_image_from_info'),
|
|
mock.patch.object(drv, '_local_volume_dir'),
|
|
mock.patch.object(image_utils, 'qemu_img_info'),
|
|
mock.patch.object(image_utils, 'upload_volume'),
|
|
mock.patch.object(image_utils, 'create_temporary_file')
|
|
) as (mock_get_active_image_from_info, mock_local_volume_dir,
|
|
mock_qemu_img_info, mock_upload_volume,
|
|
mock_create_temporary_file):
|
|
mock_get_active_image_from_info.return_value = volume['name']
|
|
|
|
mock_local_volume_dir.return_value = self.TEST_MNT_POINT
|
|
|
|
mock_create_temporary_file.return_value = self.TEST_TMP_FILE
|
|
|
|
qemu_img_output = """image: %s
|
|
file format: raw
|
|
virtual size: 1.0G (1073741824 bytes)
|
|
disk size: 173K
|
|
""" % volume['name']
|
|
img_info = imageutils.QemuImgInfo(qemu_img_output)
|
|
mock_qemu_img_info.return_value = img_info
|
|
|
|
upload_path = volume_path
|
|
|
|
drv.copy_volume_to_image(mock.ANY, volume, mock.ANY, image_meta)
|
|
|
|
mock_get_active_image_from_info.assert_called_once_with(volume)
|
|
mock_local_volume_dir.assert_called_once_with(volume)
|
|
mock_qemu_img_info.assert_called_once_with(volume_path)
|
|
mock_upload_volume.assert_called_once_with(
|
|
mock.ANY, mock.ANY, mock.ANY, upload_path)
|
|
self.assertEqual(1, mock_create_temporary_file.call_count)
|
|
|
|
def test_copy_volume_to_image_qcow2_image(self):
|
|
"""Upload a qcow2 image file which has to be converted to raw first."""
|
|
drv = self._driver
|
|
|
|
volume = self._simple_volume()
|
|
volume_path = '%s/%s' % (self.TEST_MNT_POINT, volume['name'])
|
|
image_meta = {'id': '10958016-e196-42e3-9e7f-5d8927ae3099'}
|
|
|
|
with contextlib.nested(
|
|
mock.patch.object(drv, 'get_active_image_from_info'),
|
|
mock.patch.object(drv, '_local_volume_dir'),
|
|
mock.patch.object(image_utils, 'qemu_img_info'),
|
|
mock.patch.object(image_utils, 'convert_image'),
|
|
mock.patch.object(image_utils, 'upload_volume'),
|
|
mock.patch.object(image_utils, 'create_temporary_file')
|
|
) as (mock_get_active_image_from_info, mock_local_volume_dir,
|
|
mock_qemu_img_info, mock_convert_image, mock_upload_volume,
|
|
mock_create_temporary_file):
|
|
mock_get_active_image_from_info.return_value = volume['name']
|
|
|
|
mock_local_volume_dir.return_value = self.TEST_MNT_POINT
|
|
|
|
mock_create_temporary_file.return_value = self.TEST_TMP_FILE
|
|
|
|
qemu_img_output = """image: %s
|
|
file format: qcow2
|
|
virtual size: 1.0G (1073741824 bytes)
|
|
disk size: 173K
|
|
""" % volume['name']
|
|
img_info = imageutils.QemuImgInfo(qemu_img_output)
|
|
mock_qemu_img_info.return_value = img_info
|
|
|
|
upload_path = self.TEST_TMP_FILE
|
|
|
|
drv.copy_volume_to_image(mock.ANY, volume, mock.ANY, image_meta)
|
|
|
|
mock_get_active_image_from_info.assert_called_once_with(volume)
|
|
mock_local_volume_dir.assert_called_with(volume)
|
|
mock_qemu_img_info.assert_called_once_with(volume_path)
|
|
mock_convert_image.assert_called_once_with(
|
|
volume_path, upload_path, 'raw')
|
|
mock_upload_volume.assert_called_once_with(
|
|
mock.ANY, mock.ANY, mock.ANY, upload_path)
|
|
self.assertEqual(1, mock_create_temporary_file.call_count)
|
|
|
|
def test_copy_volume_to_image_snapshot_exists(self):
|
|
"""Upload an active snapshot which has to be converted to raw first."""
|
|
drv = self._driver
|
|
|
|
volume = self._simple_volume()
|
|
volume_path = '%s/volume-%s' % (self.TEST_MNT_POINT, self.VOLUME_UUID)
|
|
volume_filename = 'volume-%s' % self.VOLUME_UUID
|
|
image_meta = {'id': '10958016-e196-42e3-9e7f-5d8927ae3099'}
|
|
|
|
with contextlib.nested(
|
|
mock.patch.object(drv, 'get_active_image_from_info'),
|
|
mock.patch.object(drv, '_local_volume_dir'),
|
|
mock.patch.object(image_utils, 'qemu_img_info'),
|
|
mock.patch.object(image_utils, 'convert_image'),
|
|
mock.patch.object(image_utils, 'upload_volume'),
|
|
mock.patch.object(image_utils, 'create_temporary_file')
|
|
) as (mock_get_active_image_from_info, mock_local_volume_dir,
|
|
mock_qemu_img_info, mock_convert_image, mock_upload_volume,
|
|
mock_create_temporary_file):
|
|
mock_get_active_image_from_info.return_value = volume['name']
|
|
|
|
mock_local_volume_dir.return_value = self.TEST_MNT_POINT
|
|
|
|
mock_create_temporary_file.return_value = self.TEST_TMP_FILE
|
|
|
|
qemu_img_output = """image: volume-%s.%s
|
|
file format: qcow2
|
|
virtual size: 1.0G (1073741824 bytes)
|
|
disk size: 173K
|
|
backing file: %s
|
|
""" % (self.VOLUME_UUID, self.SNAP_UUID, volume_filename)
|
|
img_info = imageutils.QemuImgInfo(qemu_img_output)
|
|
mock_qemu_img_info.return_value = img_info
|
|
|
|
upload_path = self.TEST_TMP_FILE
|
|
|
|
drv.copy_volume_to_image(mock.ANY, volume, mock.ANY, image_meta)
|
|
|
|
mock_get_active_image_from_info.assert_called_once_with(volume)
|
|
mock_local_volume_dir.assert_called_with(volume)
|
|
mock_qemu_img_info.assert_called_once_with(volume_path)
|
|
mock_convert_image.assert_called_once_with(
|
|
volume_path, upload_path, 'raw')
|
|
mock_upload_volume.assert_called_once_with(
|
|
mock.ANY, mock.ANY, mock.ANY, upload_path)
|
|
self.assertEqual(1, mock_create_temporary_file.call_count)
|