939 lines
38 KiB
Python
939 lines
38 KiB
Python
# Copyright (c) 2014 Quobyte Inc.
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# 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 Quobyte driver module."""
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import errno
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import os
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import six
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import traceback
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import mock
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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 context
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from cinder import exception
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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.volume import configuration as conf
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from cinder.volume.drivers import quobyte
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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 QuobyteDriverTestCase(test.TestCase):
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"""Test case for Quobyte driver."""
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TEST_QUOBYTE_VOLUME = 'quobyte://quobyte-host/openstack-volumes'
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TEST_QUOBYTE_VOLUME_WITHOUT_PROTOCOL = 'quobyte-host/openstack-volumes'
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TEST_SIZE_IN_GB = 1
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TEST_MNT_POINT = '/mnt/quobyte'
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TEST_MNT_POINT_BASE = '/mnt'
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TEST_LOCAL_PATH = '/mnt/quobyte/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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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(QuobyteDriverTestCase, self).setUp()
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self._configuration = mock.Mock(conf.Configuration)
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self._configuration.append_config_values(mock.ANY)
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self._configuration.quobyte_volume_url = \
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self.TEST_QUOBYTE_VOLUME
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self._configuration.quobyte_client_cfg = None
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self._configuration.quobyte_sparsed_volumes = True
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self._configuration.quobyte_qcow2_volumes = False
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self._configuration.quobyte_mount_point_base = \
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self.TEST_MNT_POINT_BASE
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self._driver =\
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quobyte.QuobyteDriver(configuration=self._configuration,
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db=FakeDb())
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self._driver.shares = {}
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self._driver.set_nas_security_options(is_new_cinder_install=False)
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def assertRaisesAndMessageMatches(
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self, excClass, msg, callableObj, *args, **kwargs):
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"""Ensure that the specified exception was raised and its message
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includes the string 'msg'.
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"""
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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.format_exc()))
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self.assertIn(msg, six.text_type(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_local_path(self):
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"""local_path common use case."""
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drv = self._driver
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volume = DumbVolume()
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volume['provider_location'] = self.TEST_QUOBYTE_VOLUME
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volume['name'] = 'volume-123'
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self.assertEqual(
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'/mnt/1331538734b757ed52d0e18c0a7210cd/volume-123',
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drv.local_path(volume))
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def test_mount_quobyte_should_mount_correctly(self):
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with mock.patch.object(self._driver, '_execute') as mock_execute, \
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mock.patch('cinder.volume.drivers.quobyte.QuobyteDriver'
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'.read_proc_mount') as mock_open:
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# Content of /proc/mount (not mounted yet).
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mock_open.return_value = six.StringIO(
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"/dev/sda5 / ext4 rw,relatime,data=ordered 0 0")
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self._driver._mount_quobyte(self.TEST_QUOBYTE_VOLUME,
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self.TEST_MNT_POINT)
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mkdir_call = mock.call('mkdir', '-p', self.TEST_MNT_POINT)
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mount_call = mock.call(
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'mount.quobyte', self.TEST_QUOBYTE_VOLUME,
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self.TEST_MNT_POINT, run_as_root=False)
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getfattr_call = mock.call(
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'getfattr', '-n', 'quobyte.info', self.TEST_MNT_POINT,
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run_as_root=False)
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mock_execute.assert_has_calls(
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[mkdir_call, mount_call, getfattr_call], any_order=False)
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def test_mount_quobyte_already_mounted_detected_seen_in_proc_mount(self):
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with mock.patch.object(self._driver, '_execute') as mock_execute, \
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mock.patch('cinder.volume.drivers.quobyte.QuobyteDriver'
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'.read_proc_mount') as mock_open:
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# Content of /proc/mount (already mounted).
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mock_open.return_value = six.StringIO(
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"quobyte@%s %s fuse rw,nosuid,nodev,noatime,user_id=1000"
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",group_id=100,default_permissions,allow_other 0 0"
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% (self.TEST_QUOBYTE_VOLUME, self.TEST_MNT_POINT))
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self._driver._mount_quobyte(self.TEST_QUOBYTE_VOLUME,
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self.TEST_MNT_POINT)
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mock_execute.assert_called_once_with(
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'getfattr', '-n', 'quobyte.info', self.TEST_MNT_POINT,
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run_as_root=False)
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def test_mount_quobyte_should_suppress_and_log_already_mounted_error(self):
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"""Based on /proc/mount, the file system is not mounted yet. However,
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mount.quobyte returns with an 'already mounted' error.
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This is a last-resort safe-guard in case /proc/mount parsing was not
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successful.
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Because _mount_quobyte gets called with ensure=True, the error will
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be suppressed and logged instead.
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"""
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with mock.patch.object(self._driver, '_execute') as mock_execute, \
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mock.patch('cinder.volume.drivers.quobyte.QuobyteDriver'
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'.read_proc_mount') as mock_open, \
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mock.patch('cinder.volume.drivers.quobyte.LOG') as mock_LOG:
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# Content of /proc/mount (empty).
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mock_open.return_value = six.StringIO()
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mock_execute.side_effect = [None, putils.ProcessExecutionError(
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stderr='is busy or already mounted')]
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self._driver._mount_quobyte(self.TEST_QUOBYTE_VOLUME,
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self.TEST_MNT_POINT,
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ensure=True)
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mkdir_call = mock.call('mkdir', '-p', self.TEST_MNT_POINT)
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mount_call = mock.call(
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'mount.quobyte', self.TEST_QUOBYTE_VOLUME,
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self.TEST_MNT_POINT, run_as_root=False)
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mock_execute.assert_has_calls([mkdir_call, mount_call],
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any_order=False)
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mock_LOG.warning.assert_called_once_with('%s is already mounted',
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self.TEST_QUOBYTE_VOLUME)
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def test_mount_quobyte_should_reraise_already_mounted_error(self):
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"""Same as
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test_mount_quobyte_should_suppress_and_log_already_mounted_error
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but with ensure=False.
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"""
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with mock.patch.object(self._driver, '_execute') as mock_execute, \
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mock.patch('cinder.volume.drivers.quobyte.QuobyteDriver'
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'.read_proc_mount') as mock_open:
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mock_open.return_value = six.StringIO()
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mock_execute.side_effect = [
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None, # mkdir
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putils.ProcessExecutionError( # mount
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stderr='is busy or already mounted')]
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self.assertRaises(putils.ProcessExecutionError,
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self._driver._mount_quobyte,
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self.TEST_QUOBYTE_VOLUME,
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self.TEST_MNT_POINT,
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ensure=False)
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mkdir_call = mock.call('mkdir', '-p', self.TEST_MNT_POINT)
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mount_call = mock.call(
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'mount.quobyte', self.TEST_QUOBYTE_VOLUME,
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self.TEST_MNT_POINT, run_as_root=False)
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mock_execute.assert_has_calls([mkdir_call, mount_call],
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any_order=False)
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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('1331538734b757ed52d0e18c0a7210cd',
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drv._get_hash_str(self.TEST_QUOBYTE_VOLUME))
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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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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 = 'quobyte@%s %d 996864 %d 41%% %s' % \
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(self.TEST_QUOBYTE_VOLUME, df_total_size, df_avail,
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self.TEST_MNT_POINT)
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df_output = df_head + df_data
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drv._get_mount_point_for_share = mock.Mock(return_value=self.
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TEST_MNT_POINT)
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drv._execute = mock.Mock(return_value=(df_output, None))
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self.assertEqual((df_avail, df_total_size),
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drv._get_available_capacity(self.TEST_QUOBYTE_VOLUME))
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(drv._get_mount_point_for_share.
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assert_called_once_with(self.TEST_QUOBYTE_VOLUME))
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(drv._execute.
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assert_called_once_with('df',
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'--portability',
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'--block-size',
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'1',
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self.TEST_MNT_POINT,
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run_as_root=self._driver._execute_as_root))
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def test_get_capacity_info(self):
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with mock.patch.object(self._driver, '_get_available_capacity') \
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as mock_get_available_capacity:
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drv = self._driver
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df_size = 2620544
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df_avail = 1490560
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mock_get_available_capacity.return_value = (df_avail, df_size)
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size, available, used = drv._get_capacity_info(mock.ANY)
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mock_get_available_capacity.assert_called_once_with(mock.ANY)
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self.assertEqual(df_size, size)
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self.assertEqual(df_avail, available)
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self.assertEqual(size - available, used)
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def test_load_shares_config(self):
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"""_load_shares_config only puts the Volume URL into shares and strips
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quobyte://.
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"""
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drv = self._driver
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drv._load_shares_config()
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self.assertIn(self.TEST_QUOBYTE_VOLUME_WITHOUT_PROTOCOL, drv.shares)
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def test_load_shares_config_without_protocol(self):
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"""Same as test_load_shares_config, but this time the URL was specified
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without quobyte:// in front.
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"""
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drv = self._driver
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drv.configuration.quobyte_volume_url = \
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self.TEST_QUOBYTE_VOLUME_WITHOUT_PROTOCOL
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drv._load_shares_config()
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self.assertIn(self.TEST_QUOBYTE_VOLUME_WITHOUT_PROTOCOL, drv.shares)
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def test_ensure_share_mounted(self):
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"""_ensure_share_mounted simple use case."""
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with mock.patch.object(self._driver, '_get_mount_point_for_share') as \
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mock_get_mount_point, \
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mock.patch.object(self._driver, '_mount_quobyte') as \
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mock_mount:
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drv = self._driver
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drv._ensure_share_mounted(self.TEST_QUOBYTE_VOLUME)
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mock_get_mount_point.assert_called_once_with(
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self.TEST_QUOBYTE_VOLUME)
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mock_mount.assert_called_once_with(
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self.TEST_QUOBYTE_VOLUME,
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mock_get_mount_point.return_value,
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ensure=True)
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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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with mock.patch.object(self._driver, '_ensure_share_mounted') \
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as mock_ensure_share_mounted:
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drv = self._driver
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drv._ensure_shares_mounted()
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mock_ensure_share_mounted.assert_called_once_with(
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self.TEST_QUOBYTE_VOLUME_WITHOUT_PROTOCOL)
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self.assertIn(self.TEST_QUOBYTE_VOLUME_WITHOUT_PROTOCOL,
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drv._mounted_shares)
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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 if mount raised an error."""
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with mock.patch.object(self._driver, '_ensure_share_mounted') \
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as mock_ensure_share_mounted:
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drv = self._driver
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mock_ensure_share_mounted.side_effect = Exception()
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drv._ensure_shares_mounted()
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mock_ensure_share_mounted.assert_called_once_with(
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self.TEST_QUOBYTE_VOLUME_WITHOUT_PROTOCOL)
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self.assertEqual(1, len(drv.shares))
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self.assertEqual(0, len(drv._mounted_shares))
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def test_do_setup(self):
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"""do_setup runs successfully."""
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drv = self._driver
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drv.do_setup(mock.create_autospec(context.RequestContext))
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def test_check_for_setup_error_throws_quobyte_volume_url_not_set(self):
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"""check_for_setup_error throws if 'quobyte_volume_url' is not set."""
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drv = self._driver
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drv.configuration.quobyte_volume_url = None
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self.assertRaisesAndMessageMatches(exception.VolumeDriverException,
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'no Quobyte volume configured',
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drv.check_for_setup_error)
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def test_check_for_setup_error_throws_client_not_installed(self):
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"""check_for_setup_error throws if client is not installed."""
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drv = self._driver
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drv._execute = mock.Mock(side_effect=OSError
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(errno.ENOENT, 'No such file or directory'))
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self.assertRaisesAndMessageMatches(exception.VolumeDriverException,
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'mount.quobyte is not installed',
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drv.check_for_setup_error)
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drv._execute.assert_called_once_with('mount.quobyte',
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check_exit_code=False,
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run_as_root=False)
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def test_check_for_setup_error_throws_client_not_executable(self):
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"""check_for_setup_error throws if client cannot be executed."""
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drv = self._driver
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drv._execute = mock.Mock(side_effect=OSError
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(errno.EPERM, 'Operation not permitted'))
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self.assertRaisesAndMessageMatches(OSError,
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'Operation not permitted',
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drv.check_for_setup_error)
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drv._execute.assert_called_once_with('mount.quobyte',
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check_exit_code=False,
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run_as_root=False)
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def test_find_share_should_throw_error_if_there_is_no_mounted_shares(self):
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"""_find_share should throw error if there is no mounted share."""
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drv = self._driver
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drv._mounted_shares = []
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self.assertRaises(exception.NotFound,
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drv._find_share,
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self.TEST_SIZE_IN_GB)
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def test_find_share(self):
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"""_find_share simple use case."""
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drv = self._driver
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drv._mounted_shares = [self.TEST_QUOBYTE_VOLUME]
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self.assertEqual(self.TEST_QUOBYTE_VOLUME,
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drv._find_share(self.TEST_SIZE_IN_GB))
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def test_find_share_does_not_throw_error_if_there_isnt_enough_space(self):
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"""_find_share intentionally does not throw when df reports no
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available space left.
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"""
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with mock.patch.object(self._driver, '_get_available_capacity') \
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as mock_get_available_capacity:
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drv = self._driver
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df_size = 2620544
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df_avail = 0
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mock_get_available_capacity.return_value = (df_avail, df_size)
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drv._mounted_shares = [self.TEST_QUOBYTE_VOLUME]
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self.assertEqual(self.TEST_QUOBYTE_VOLUME,
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drv._find_share(self.TEST_SIZE_IN_GB))
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# The current implementation does not call _get_available_capacity.
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# Future ones might do and therefore we mocked it.
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self.assertGreaterEqual(mock_get_available_capacity.call_count, 0)
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def _simple_volume(self, uuid=None):
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volume = DumbVolume()
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volume['provider_location'] = self.TEST_QUOBYTE_VOLUME
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if uuid is None:
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volume['id'] = self.VOLUME_UUID
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else:
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volume['id'] = uuid
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# volume['name'] mirrors format from db/sqlalchemy/models.py
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volume['name'] = 'volume-%s' % volume['id']
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volume['size'] = 10
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volume['status'] = 'available'
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return volume
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def test_create_sparsed_volume(self):
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drv = self._driver
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volume = self._simple_volume()
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drv._create_sparsed_file = mock.Mock()
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drv._set_rw_permissions_for_all = mock.Mock()
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drv._do_create_volume(volume)
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drv._create_sparsed_file.assert_called_once_with(mock.ANY, mock.ANY)
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drv._set_rw_permissions_for_all.assert_called_once_with(mock.ANY)
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def test_create_nonsparsed_volume(self):
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drv = self._driver
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volume = self._simple_volume()
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old_value = self._configuration.quobyte_sparsed_volumes
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self._configuration.quobyte_sparsed_volumes = False
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drv._create_regular_file = mock.Mock()
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drv._set_rw_permissions_for_all = mock.Mock()
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drv._do_create_volume(volume)
|
|
drv._create_regular_file.assert_called_once_with(mock.ANY, mock.ANY)
|
|
drv._set_rw_permissions_for_all.assert_called_once_with(mock.ANY)
|
|
|
|
self._configuration.quobyte_sparsed_volumes = old_value
|
|
|
|
def test_create_qcow2_volume(self):
|
|
drv = self._driver
|
|
|
|
volume = self._simple_volume()
|
|
old_value = self._configuration.quobyte_qcow2_volumes
|
|
self._configuration.quobyte_qcow2_volumes = True
|
|
|
|
drv._execute = mock.Mock()
|
|
|
|
hashed = drv._get_hash_str(volume['provider_location'])
|
|
path = '%s/%s/volume-%s' % (self.TEST_MNT_POINT_BASE,
|
|
hashed,
|
|
self.VOLUME_UUID)
|
|
|
|
drv._do_create_volume(volume)
|
|
|
|
assert_calls = [mock.call('qemu-img', 'create', '-f', 'qcow2',
|
|
'-o', 'preallocation=metadata', path,
|
|
str(volume['size'] * units.Gi),
|
|
run_as_root=self._driver._execute_as_root),
|
|
mock.call('chmod', 'ugo+rw', path,
|
|
run_as_root=self._driver._execute_as_root)]
|
|
drv._execute.assert_has_calls(assert_calls)
|
|
|
|
self._configuration.quobyte_qcow2_volumes = old_value
|
|
|
|
def test_create_volume_should_ensure_quobyte_mounted(self):
|
|
"""create_volume ensures shares provided in config are mounted."""
|
|
drv = self._driver
|
|
|
|
drv.LOG = mock.Mock()
|
|
drv._find_share = mock.Mock()
|
|
drv._do_create_volume = mock.Mock()
|
|
drv._ensure_shares_mounted = mock.Mock()
|
|
|
|
volume = DumbVolume()
|
|
volume['size'] = self.TEST_SIZE_IN_GB
|
|
drv.create_volume(volume)
|
|
|
|
drv._find_share.assert_called_once_with(mock.ANY)
|
|
drv._do_create_volume.assert_called_once_with(volume)
|
|
drv._ensure_shares_mounted.assert_called_once_with()
|
|
|
|
def test_create_volume_should_return_provider_location(self):
|
|
"""create_volume should return provider_location with found share."""
|
|
drv = self._driver
|
|
|
|
drv.LOG = mock.Mock()
|
|
drv._ensure_shares_mounted = mock.Mock()
|
|
drv._do_create_volume = mock.Mock()
|
|
drv._find_share = mock.Mock(return_value=self.TEST_QUOBYTE_VOLUME)
|
|
|
|
volume = DumbVolume()
|
|
volume['size'] = self.TEST_SIZE_IN_GB
|
|
result = drv.create_volume(volume)
|
|
self.assertEqual(self.TEST_QUOBYTE_VOLUME, result['provider_location'])
|
|
|
|
drv._do_create_volume.assert_called_once_with(volume)
|
|
drv._ensure_shares_mounted.assert_called_once_with()
|
|
drv._find_share.assert_called_once_with(self.TEST_SIZE_IN_GB)
|
|
|
|
def test_create_cloned_volume(self):
|
|
drv = self._driver
|
|
|
|
drv._create_snapshot = mock.Mock()
|
|
drv._copy_volume_from_snapshot = mock.Mock()
|
|
drv._delete_snapshot = mock.Mock()
|
|
|
|
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_cloned_volume(volume, src_vref)
|
|
|
|
drv._create_snapshot.assert_called_once_with(snap_ref)
|
|
drv._copy_volume_from_snapshot.assert_called_once_with(snap_ref,
|
|
volume_ref,
|
|
volume['size'])
|
|
drv._delete_snapshot.assert_called_once_with(mock.ANY)
|
|
|
|
@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 mock.patch.object(self._driver, '_ensure_share_mounted') as \
|
|
mock_ensure_share_mounted, \
|
|
mock.patch.object(self._driver, '_local_volume_dir') as \
|
|
mock_local_volume_dir, \
|
|
mock.patch.object(self._driver,
|
|
'get_active_image_from_info') as \
|
|
mock_active_image_from_info, \
|
|
mock.patch.object(self._driver, '_execute') as \
|
|
mock_execute, \
|
|
mock.patch.object(self._driver, '_local_path_volume') as \
|
|
mock_local_path_volume, \
|
|
mock.patch.object(self._driver, '_local_path_volume_info') as \
|
|
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=
|
|
self._driver._execute_as_root)
|
|
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_delete_should_ensure_share_mounted(self):
|
|
"""delete_volume should ensure that corresponding share is mounted."""
|
|
drv = self._driver
|
|
|
|
drv._execute = mock.Mock()
|
|
|
|
volume = DumbVolume()
|
|
volume['name'] = 'volume-123'
|
|
volume['provider_location'] = self.TEST_QUOBYTE_VOLUME
|
|
|
|
drv._ensure_share_mounted = mock.Mock()
|
|
|
|
drv.delete_volume(volume)
|
|
|
|
(drv._ensure_share_mounted.
|
|
assert_called_once_with(self.TEST_QUOBYTE_VOLUME))
|
|
drv._execute.assert_called_once_with('rm', '-f',
|
|
mock.ANY,
|
|
run_as_root=False)
|
|
|
|
def test_delete_should_not_delete_if_provider_location_not_provided(self):
|
|
"""delete_volume shouldn't delete if provider_location missed."""
|
|
drv = self._driver
|
|
|
|
drv._ensure_share_mounted = mock.Mock()
|
|
drv._execute = mock.Mock()
|
|
|
|
volume = DumbVolume()
|
|
volume['name'] = 'volume-123'
|
|
volume['provider_location'] = None
|
|
|
|
drv.delete_volume(volume)
|
|
|
|
assert not drv._ensure_share_mounted.called
|
|
assert not drv._execute.called
|
|
|
|
def test_extend_volume(self):
|
|
drv = self._driver
|
|
|
|
volume = self._simple_volume()
|
|
|
|
volume_path = '%s/%s/volume-%s' % (self.TEST_MNT_POINT_BASE,
|
|
drv._get_hash_str(
|
|
self.TEST_QUOBYTE_VOLUME),
|
|
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)
|
|
|
|
drv.get_active_image_from_info = mock.Mock(return_value=volume['name'])
|
|
image_utils.qemu_img_info = mock.Mock(return_value=img_info)
|
|
image_utils.resize_image = mock.Mock()
|
|
|
|
drv.extend_volume(volume, 3)
|
|
|
|
drv.get_active_image_from_info.assert_called_once_with(volume)
|
|
image_utils.qemu_img_info.assert_called_once_with(volume_path)
|
|
image_utils.resize_image.assert_called_once_with(volume_path, 3)
|
|
|
|
def test_copy_volume_from_snapshot(self):
|
|
drv = self._driver
|
|
|
|
# lots of test vars to be prepared at first
|
|
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_QUOBYTE_VOLUME))
|
|
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']
|
|
|
|
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)
|
|
|
|
# mocking and testing starts here
|
|
image_utils.convert_image = mock.Mock()
|
|
drv._read_info_file = mock.Mock(return_value=
|
|
{'active': snap_file,
|
|
snapshot['id']: snap_file})
|
|
image_utils.qemu_img_info = mock.Mock(return_value=img_info)
|
|
drv._set_rw_permissions_for_all = mock.Mock()
|
|
|
|
drv._copy_volume_from_snapshot(snapshot, dest_volume, size)
|
|
|
|
drv._read_info_file.assert_called_once_with(info_path)
|
|
image_utils.qemu_img_info.assert_called_once_with(snap_path)
|
|
(image_utils.convert_image.
|
|
assert_called_once_with(src_vol_path,
|
|
dest_vol_path,
|
|
'raw',
|
|
run_as_root=self._driver._execute_as_root))
|
|
drv._set_rw_permissions_for_all.assert_called_once_with(dest_vol_path)
|
|
|
|
def test_create_volume_from_snapshot_status_not_available(self):
|
|
"""Expect an error when the snapshot's status is not 'available'."""
|
|
drv = 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': 'error'}
|
|
|
|
new_volume = DumbVolume()
|
|
new_volume['size'] = snap_ref['size']
|
|
|
|
self.assertRaises(exception.InvalidSnapshot,
|
|
drv.create_volume_from_snapshot,
|
|
new_volume,
|
|
snap_ref)
|
|
|
|
def test_create_volume_from_snapshot(self):
|
|
drv = 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']
|
|
|
|
drv._ensure_shares_mounted = mock.Mock()
|
|
drv._find_share = mock.Mock(return_value=self.TEST_QUOBYTE_VOLUME)
|
|
drv._do_create_volume = mock.Mock()
|
|
drv._copy_volume_from_snapshot = mock.Mock()
|
|
|
|
drv.create_volume_from_snapshot(new_volume, snap_ref)
|
|
|
|
drv._ensure_shares_mounted.assert_called_once_with()
|
|
drv._find_share.assert_called_once_with(new_volume['size'])
|
|
drv._do_create_volume.assert_called_once_with(new_volume)
|
|
(drv._copy_volume_from_snapshot.
|
|
assert_called_once_with(snap_ref, new_volume, new_volume['size']))
|
|
|
|
def test_initialize_connection(self):
|
|
drv = self._driver
|
|
|
|
volume = self._simple_volume()
|
|
vol_dir = os.path.join(self.TEST_MNT_POINT_BASE,
|
|
drv._get_hash_str(self.TEST_QUOBYTE_VOLUME))
|
|
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)
|
|
|
|
drv.get_active_image_from_info = mock.Mock(return_value=volume['name'])
|
|
image_utils.qemu_img_info = mock.Mock(return_value=img_info)
|
|
|
|
conn_info = drv.initialize_connection(volume, None)
|
|
|
|
drv.get_active_image_from_info.assert_called_once_with(volume)
|
|
image_utils.qemu_img_info.assert_called_once_with(vol_path)
|
|
|
|
self.assertEqual(conn_info['data']['format'], 'raw')
|
|
self.assertEqual(conn_info['driver_volume_type'], 'quobyte')
|
|
self.assertEqual(conn_info['data']['name'], volume['name'])
|
|
self.assertEqual(conn_info['mount_point_base'],
|
|
self.TEST_MNT_POINT_BASE)
|
|
|
|
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 mock.patch.object(drv, 'get_active_image_from_info') as \
|
|
mock_get_active_image_from_info, \
|
|
mock.patch.object(drv, '_local_volume_dir') as \
|
|
mock_local_volume_dir, \
|
|
mock.patch.object(image_utils, 'qemu_img_info') as \
|
|
mock_qemu_img_info, \
|
|
mock.patch.object(image_utils, 'upload_volume') as \
|
|
mock_upload_volume, \
|
|
mock.patch.object(image_utils, 'create_temporary_file') as \
|
|
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.assertTrue(mock_create_temporary_file.called)
|
|
|
|
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 mock.patch.object(drv, 'get_active_image_from_info') as \
|
|
mock_get_active_image_from_info, \
|
|
mock.patch.object(drv, '_local_volume_dir') as \
|
|
mock_local_volume_dir, \
|
|
mock.patch.object(image_utils, 'qemu_img_info') as \
|
|
mock_qemu_img_info, \
|
|
mock.patch.object(image_utils, 'convert_image') as \
|
|
mock_convert_image, \
|
|
mock.patch.object(image_utils, 'upload_volume') as \
|
|
mock_upload_volume, \
|
|
mock.patch.object(image_utils, 'create_temporary_file') as \
|
|
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.assertTrue(mock_create_temporary_file.called)
|
|
|
|
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 mock.patch.object(drv, 'get_active_image_from_info') as \
|
|
mock_get_active_image_from_info, \
|
|
mock.patch.object(drv, '_local_volume_dir') as \
|
|
mock_local_volume_dir, \
|
|
mock.patch.object(image_utils, 'qemu_img_info') as \
|
|
mock_qemu_img_info, \
|
|
mock.patch.object(image_utils, 'convert_image') as \
|
|
mock_convert_image, \
|
|
mock.patch.object(image_utils, 'upload_volume') as \
|
|
mock_upload_volume, \
|
|
mock.patch.object(image_utils, 'create_temporary_file') as \
|
|
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.assertTrue(mock_create_temporary_file.called)
|