185 lines
7.8 KiB
Python
185 lines
7.8 KiB
Python
# (c) Copyright 2013 Hewlett-Packard Development Company, L.P.
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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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import ddt
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import mock
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from os_brick.initiator.connectors import rbd
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from os_brick.initiator import linuxrbd
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from os_brick.privileged import rootwrap as priv_rootwrap
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from os_brick.tests.initiator import test_connector
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from os_brick import utils
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@ddt.ddt
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class RBDConnectorTestCase(test_connector.ConnectorTestCase):
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def setUp(self):
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super(RBDConnectorTestCase, self).setUp()
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self.user = 'fake_user'
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self.pool = 'fake_pool'
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self.volume = 'fake_volume'
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self.clustername = 'fake_ceph'
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self.hosts = ['192.168.10.2']
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self.ports = ['6789']
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self.connection_properties = {
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'auth_username': self.user,
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'name': '%s/%s' % (self.pool, self.volume),
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'cluster_name': self.clustername,
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'hosts': self.hosts,
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'ports': self.ports,
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}
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def test_get_search_path(self):
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rbd_connector = rbd.RBDConnector(None)
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path = rbd_connector.get_search_path()
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self.assertIsNone(path)
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@mock.patch('os_brick.initiator.linuxrbd.rbd')
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@mock.patch('os_brick.initiator.linuxrbd.rados')
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def test_get_volume_paths(self, mock_rados, mock_rbd):
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rbd_connector = rbd.RBDConnector(None)
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expected = []
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actual = rbd_connector.get_volume_paths(self.connection_properties)
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self.assertEqual(expected, actual)
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def test_get_connector_properties(self):
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props = rbd.RBDConnector.get_connector_properties(
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'sudo', multipath=True, enforce_multipath=True)
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expected_props = {'do_local_attach': False}
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self.assertEqual(expected_props, props)
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@mock.patch('os_brick.initiator.linuxrbd.rbd')
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@mock.patch('os_brick.initiator.linuxrbd.rados')
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@mock.patch.object(rbd.RBDConnector, '_create_ceph_conf')
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@mock.patch('os.path.exists')
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def test_connect_volume(self, mock_path, mock_conf, mock_rados, mock_rbd):
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"""Test the connect volume case."""
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rbd_connector = rbd.RBDConnector(None)
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mock_path.return_value = False
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mock_conf.return_value = "/tmp/fake_dir/fake_ceph.conf"
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device_info = rbd_connector.connect_volume(self.connection_properties)
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# Ensure rados is instantiated correctly
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mock_rados.Rados.assert_called_once_with(
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clustername=self.clustername,
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rados_id=utils.convert_str(self.user),
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conffile='/tmp/fake_dir/fake_ceph.conf')
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# Ensure correct calls to connect to cluster
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self.assertEqual(1, mock_rados.Rados.return_value.connect.call_count)
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mock_rados.Rados.return_value.open_ioctx.assert_called_once_with(
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utils.convert_str(self.pool))
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# Ensure rbd image is instantiated correctly
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mock_rbd.Image.assert_called_once_with(
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mock_rados.Rados.return_value.open_ioctx.return_value,
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utils.convert_str(self.volume), read_only=False,
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snapshot=None)
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# Ensure expected object is returned correctly
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self.assertIsInstance(device_info['path'],
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linuxrbd.RBDVolumeIOWrapper)
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@mock.patch('os_brick.initiator.linuxrbd.rbd')
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@mock.patch('os_brick.initiator.linuxrbd.rados')
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@mock.patch.object(rbd.RBDConnector, '_create_ceph_conf')
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@mock.patch('os.path.exists')
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def test_custom_keyring(self, mock_path, mock_conf, mock_rados, mock_rbd):
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conn = rbd.RBDConnector(None)
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mock_path.return_value = False
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mock_conf.return_value = "/tmp/fake_dir/fake_ceph.conf"
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custom_keyring_path = "/foo/bar/baz"
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self.connection_properties['keyring'] = custom_keyring_path
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conn.connect_volume(self.connection_properties)
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mock_conf.assert_called_once_with(self.hosts, self.ports,
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self.clustername, self.user,
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custom_keyring_path)
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@ddt.data((['192.168.1.1', '192.168.1.2'],
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['192.168.1.1', '192.168.1.2']),
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(['3ffe:1900:4545:3:200:f8ff:fe21:67cf',
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'fe80:0:0:0:200:f8ff:fe21:67cf'],
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['[3ffe:1900:4545:3:200:f8ff:fe21:67cf]',
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'[fe80:0:0:0:200:f8ff:fe21:67cf]']),
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(['foobar', 'fizzbuzz'], ['foobar', 'fizzbuzz']),
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(['192.168.1.1',
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'3ffe:1900:4545:3:200:f8ff:fe21:67cf',
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'hello, world!'],
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['192.168.1.1',
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'[3ffe:1900:4545:3:200:f8ff:fe21:67cf]',
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'hello, world!']))
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@ddt.unpack
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def test_sanitize_mon_host(self, hosts_in, hosts_out):
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conn = rbd.RBDConnector(None)
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self.assertEqual(hosts_out, conn._sanitize_mon_hosts(hosts_in))
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@mock.patch('os_brick.initiator.connectors.rbd.tempfile.mkstemp')
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def test_create_ceph_conf(self, mock_mkstemp):
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mockopen = mock.mock_open()
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fd = mock.sentinel.fd
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tmpfile = mock.sentinel.tmpfile
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mock_mkstemp.return_value = (fd, tmpfile)
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with mock.patch('os.fdopen', mockopen, create=True):
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rbd_connector = rbd.RBDConnector(None)
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conf_path = rbd_connector._create_ceph_conf(
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self.hosts, self.ports, self.clustername, self.user, None)
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self.assertEqual(conf_path, tmpfile)
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mock_mkstemp.assert_called_once_with(prefix='brickrbd_')
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@mock.patch.object(priv_rootwrap, 'execute', return_value=None)
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def test_connect_local_volume(self, mock_execute):
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rbd_connector = rbd.RBDConnector(None, do_local_attach=True)
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conn = {'name': 'pool/image'}
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device_info = rbd_connector.connect_volume(conn)
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execute_call1 = mock.call('which', 'rbd')
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cmd = ['rbd', 'map', 'image', '--pool', 'pool']
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execute_call2 = mock.call(*cmd, root_helper=None, run_as_root=True)
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mock_execute.assert_has_calls([execute_call1, execute_call2])
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expected_info = {'path': '/dev/rbd/pool/image',
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'type': 'block'}
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self.assertEqual(expected_info, device_info)
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@mock.patch('os_brick.initiator.linuxrbd.rbd')
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@mock.patch('os_brick.initiator.linuxrbd.rados')
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@mock.patch.object(linuxrbd.RBDVolumeIOWrapper, 'close')
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def test_disconnect_volume(self, volume_close, mock_rados, mock_rbd):
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"""Test the disconnect volume case."""
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rbd_connector = rbd.RBDConnector(None)
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device_info = rbd_connector.connect_volume(self.connection_properties)
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rbd_connector.disconnect_volume(
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self.connection_properties, device_info)
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self.assertEqual(1, volume_close.call_count)
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@mock.patch.object(priv_rootwrap, 'execute', return_value=None)
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def test_disconnect_local_volume(self, mock_execute):
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rbd_connector = rbd.RBDConnector(None, do_local_attach=True)
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conn = {'name': 'pool/image'}
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rbd_connector.disconnect_volume(conn, None)
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dev_name = '/dev/rbd/pool/image'
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cmd = ['rbd', 'unmap', dev_name]
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mock_execute.assert_called_once_with(*cmd, root_helper=None,
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run_as_root=True)
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def test_extend_volume(self):
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rbd_connector = rbd.RBDConnector(None)
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self.assertRaises(NotImplementedError,
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rbd_connector.extend_volume,
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self.connection_properties)
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