/usr/lib/python2.7/dist-packages/os_win/tests/utils/compute/test_clusterutils.py is in python-os-win 0.4.1-2.
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# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import mock
from os_win import exceptions
from os_win.tests import test_base
from os_win.utils.compute import clusterutils
class ClusterUtilsTestCase(test_base.OsWinBaseTestCase):
"""Unit tests for the Hyper-V ClusterUtilsBase class."""
_FAKE_RES_NAME = "fake_res_name"
_FAKE_HOST = "fake_host"
_FAKE_PREV_HOST = "fake_prev_host"
_FAKE_VM_NAME = 'instance-00000001'
_FAKE_RESOURCEGROUP_NAME = 'Virtual Machine %s' % _FAKE_VM_NAME
def setUp(self):
super(ClusterUtilsTestCase, self).setUp()
self._clusterutils = clusterutils.ClusterUtils()
self._clusterutils._conn_cluster = mock.MagicMock()
self._clusterutils._cluster = mock.MagicMock()
def test_init_hyperv_conn(self):
fake_cluster_name = "fake_cluster"
mock_cluster = mock.MagicMock()
mock_cluster.path_.return_value = r"\\%s\root" % fake_cluster_name
mock_conn = mock.MagicMock()
mock_conn.MSCluster_Cluster.return_value = [mock_cluster]
self._clusterutils._get_wmi_conn = mock.MagicMock()
self._clusterutils._get_wmi_conn.return_value = mock_conn
self._clusterutils._init_hyperv_conn("fake_host")
def test_init_hyperv_conn_exception(self):
self._clusterutils._get_wmi_conn = mock.MagicMock()
self._clusterutils._get_wmi_conn.side_effect = AttributeError
self.assertRaises(exceptions.HyperVClusterException,
self._clusterutils._init_hyperv_conn, "fake_host")
@mock.patch.object(clusterutils.ClusterUtils,
'_get_cluster_nodes')
def test_check_cluster_state_not_enough_nodes(self, mock_get_nodes):
self.assertRaises(exceptions.HyperVClusterException,
self._clusterutils.check_cluster_state)
def test_get_node_name(self):
self._clusterutils._this_node = mock.sentinel.fake_node_name
self.assertEqual(mock.sentinel.fake_node_name,
self._clusterutils.get_node_name())
def test_get_cluster_nodes(self):
fake_node1 = mock.MagicMock(Dependent=mock.sentinel.cluster_node1)
fake_node2 = mock.MagicMock(Dependent=mock.sentinel.cluster_node2)
node_list = [fake_node1, fake_node2]
expected = [mock.sentinel.cluster_node1, mock.sentinel.cluster_node2]
fake_class = self._clusterutils._conn_cluster.MSCluster_ClusterToNode
fake_class.return_value = node_list
self.assertEqual(expected, self._clusterutils._get_cluster_nodes())
def test_get_vm_groups(self):
vm_gr1 = mock.MagicMock(GroupType=self._clusterutils._VM_GROUP_TYPE)
vm_gr2 = mock.MagicMock()
vm_gr3 = mock.MagicMock(GroupType=self._clusterutils._VM_GROUP_TYPE)
fake_assoc1 = mock.MagicMock(PartComponent=vm_gr1)
fake_assoc2 = mock.MagicMock(PartComponent=vm_gr2)
fake_assoc3 = mock.MagicMock(PartComponent=vm_gr3)
assoc_list = [fake_assoc1, fake_assoc2, fake_assoc3]
fake_conn = self._clusterutils._conn_cluster
fake_conn.MSCluster_ClusterToResourceGroup.return_value = assoc_list
res = list(self._clusterutils._get_vm_groups())
self.assertIn(vm_gr1, res)
self.assertNotIn(vm_gr2, res)
self.assertIn(vm_gr3, res)
@mock.patch.object(clusterutils.ClusterUtils,
'_lookup_vm_group')
def test_lookup_vm_group_check(self, mock_lookup_vm_group):
mock_lookup_vm_group.return_value = mock.sentinel.fake_vm
ret = self._clusterutils._lookup_vm_group_check(
self._FAKE_VM_NAME)
self.assertEqual(mock.sentinel.fake_vm, ret)
@mock.patch.object(clusterutils.ClusterUtils,
'_lookup_vm_group')
def test_lookup_vm_group_check_no_vm(self, mock_lookup_vm_group):
mock_lookup_vm_group.return_value = None
self.assertRaises(exceptions.HyperVVMNotFoundException,
self._clusterutils._lookup_vm_group_check,
self._FAKE_VM_NAME)
@mock.patch.object(clusterutils.ClusterUtils,
'_lookup_res')
def test_lookup_vm_group(self, mock_lookup_res):
self._clusterutils._lookup_vm_group(self._FAKE_VM_NAME)
mock_lookup_res.assert_called_once_with(
self._clusterutils._conn_cluster.MSCluster_ResourceGroup,
self._FAKE_VM_NAME)
@mock.patch.object(clusterutils.ClusterUtils,
'_lookup_vm')
def test_lookup_vm_check(self, mock_lookup_vm):
mock_lookup_vm.return_value = mock.sentinel.fake_vm
ret = self._clusterutils._lookup_vm_check(
self._FAKE_VM_NAME)
self.assertEqual(mock.sentinel.fake_vm, ret)
@mock.patch.object(clusterutils.ClusterUtils,
'_lookup_vm')
def test_lookup_vm_check_no_vm(self, mock_lookup_vm):
mock_lookup_vm.return_value = None
self.assertRaises(exceptions.HyperVVMNotFoundException,
self._clusterutils._lookup_vm_check,
self._FAKE_VM_NAME)
@mock.patch.object(clusterutils.ClusterUtils,
'_lookup_res')
def test_lookup_vm(self, mock_lookup_res):
self._clusterutils._lookup_vm(self._FAKE_VM_NAME)
mock_lookup_res.assert_called_once_with(
self._clusterutils._conn_cluster.MSCluster_Resource,
self._clusterutils._VM_BASE_NAME % self._FAKE_VM_NAME)
def test_lookup_res_no_res(self):
res_list = []
resource_source = mock.MagicMock()
resource_source.return_value = res_list
self.assertIsNone(
self._clusterutils._lookup_res(resource_source,
self._FAKE_RES_NAME))
resource_source.assert_called_once_with(
Name=self._FAKE_RES_NAME)
def test_lookup_res_duplicate_res(self):
res_list = [mock.sentinel.r1,
mock.sentinel.r1]
resource_source = mock.MagicMock()
resource_source.return_value = res_list
self.assertRaises(exceptions.HyperVClusterException,
self._clusterutils._lookup_res,
resource_source,
self._FAKE_RES_NAME)
resource_source.assert_called_once_with(
Name=self._FAKE_RES_NAME)
def test_lookup_res(self):
res_list = [mock.sentinel.r1]
resource_source = mock.MagicMock()
resource_source.return_value = res_list
self.assertEqual(
mock.sentinel.r1,
self._clusterutils._lookup_res(resource_source,
self._FAKE_RES_NAME))
resource_source.assert_called_once_with(
Name=self._FAKE_RES_NAME)
@mock.patch.object(clusterutils.ClusterUtils,
'_get_cluster_nodes')
def test_get_cluster_node_names(self, mock_get_cluster_nodes):
cluster_nodes = [mock.Mock(Name='node1'),
mock.Mock(Name='node2')]
mock_get_cluster_nodes.return_value = cluster_nodes
ret = self._clusterutils.get_cluster_node_names()
self.assertItemsEqual(['node1', 'node2'], ret)
@mock.patch.object(clusterutils.ClusterUtils,
'_lookup_vm_group_check')
def test_get_vm_host(self, mock_lookup_vm_group_check):
owner_node = "fake_owner_node"
vm = mock.Mock(OwnerNode=owner_node)
mock_lookup_vm_group_check.return_value = vm
self.assertEqual(
owner_node,
self._clusterutils.get_vm_host(self._FAKE_VM_NAME))
@mock.patch.object(clusterutils.ClusterUtils, '_get_vm_groups')
def test_list_instances(self, mock_get_vm_groups):
mock_get_vm_groups.return_value = [mock.Mock(Name='vm1'),
mock.Mock(Name='vm2')]
ret = self._clusterutils.list_instances()
self.assertItemsEqual(['vm1', 'vm2'], ret)
@mock.patch.object(clusterutils.ClusterUtils, '_get_vm_groups')
def test_list_instance_uuids(self, mock_get_vm_groups):
mock_get_vm_groups.return_value = [mock.Mock(Id='uuid1'),
mock.Mock(Id='uuid2')]
ret = self._clusterutils.list_instance_uuids()
self.assertItemsEqual(['uuid1', 'uuid2'], ret)
@mock.patch.object(clusterutils.ClusterUtils,
'_lookup_vm_group_check')
def test_add_vm_to_cluster(self, mock_lookup_vm_group_check):
self._clusterutils._cluster.AddVirtualMachine = mock.MagicMock()
vm_group = mock.Mock()
mock_lookup_vm_group_check.return_value = vm_group
self._clusterutils.add_vm_to_cluster(self._FAKE_VM_NAME)
self.assertTrue(vm_group.PersistentState)
self.assertEqual(vm_group.AutoFailbackType,
self._clusterutils._FAILBACK_TRUE)
self.assertEqual(vm_group.FailbackWindowStart,
self._clusterutils._FAILBACK_WINDOW_MIN)
self.assertEqual(vm_group.FailbackWindowEnd,
self._clusterutils._FAILBACK_WINDOW_MAX)
vm_group.put.assert_called_once_with()
@mock.patch.object(clusterutils.ClusterUtils, '_lookup_vm_check')
def test_bring_online(self, mock_lookup_vm_check):
vm = mock.MagicMock()
mock_lookup_vm_check.return_value = vm
self._clusterutils.bring_online(self._FAKE_VM_NAME)
vm.BringOnline.assert_called_once_with()
@mock.patch.object(clusterutils.ClusterUtils, '_lookup_vm')
def test_take_offline(self, mock_lookup_vm):
vm = mock.MagicMock()
mock_lookup_vm.return_value = vm
self._clusterutils.take_offline(self._FAKE_VM_NAME)
vm.TakeOffline.assert_called_once_with()
@mock.patch.object(clusterutils.ClusterUtils, '_lookup_vm_group')
def test_delete(self, mock_lookup_vm_group):
vm = mock.MagicMock()
mock_lookup_vm_group.return_value = vm
self._clusterutils.delete(self._FAKE_VM_NAME)
vm.DestroyGroup.assert_called_once_with(
self._clusterutils._DESTROY_GROUP)
@mock.patch.object(clusterutils.ClusterUtils, '_lookup_vm')
def test_vm_exists_true(self, mock_lookup_vm):
vm = mock.MagicMock()
mock_lookup_vm.return_value = vm
self.assertTrue(self._clusterutils.vm_exists(self._FAKE_VM_NAME))
@mock.patch.object(clusterutils.ClusterUtils, '_lookup_vm')
def test_vm_exists_false(self, mock_lookup_vm):
mock_lookup_vm.return_value = None
self.assertFalse(self._clusterutils.vm_exists(self._FAKE_VM_NAME))
@mock.patch.object(clusterutils.ClusterUtils, '_migrate_vm')
def test_live_migrate_vm(self, mock_migrate_vm):
self._clusterutils.live_migrate_vm(self._FAKE_VM_NAME,
self._FAKE_HOST)
mock_migrate_vm.assert_called_once_with(
self._FAKE_VM_NAME, self._FAKE_HOST,
self._clusterutils._LIVE_MIGRATION_TYPE)
@mock.patch.object(clusterutils.ClusterUtils, '_lookup_vm_group_check')
def test_migrate_vm(self, mock_lookup_vm_group_check):
vm_group = mock.MagicMock()
mock_lookup_vm_group_check.return_value = vm_group
self._clusterutils._migrate_vm(
self._FAKE_VM_NAME, self._FAKE_HOST,
self._clusterutils._LIVE_MIGRATION_TYPE)
vm_group.MoveToNewNodeParams.assert_called_once_with(
self._clusterutils._IGNORE_LOCKED,
self._FAKE_HOST,
[self._clusterutils._LIVE_MIGRATION_TYPE])
def test_monitor_vm_failover_no_vm(self):
self._clusterutils._watcher = mock.MagicMock()
fake_prev = mock.MagicMock(OwnerNode=self._FAKE_PREV_HOST)
fake_wmi_object = mock.MagicMock(OwnerNode=self._FAKE_HOST,
Name='Virtual Machine',
previous=fake_prev)
self._clusterutils._watcher.return_value = fake_wmi_object
fake_callback = mock.MagicMock()
self._clusterutils.monitor_vm_failover(fake_callback)
self._clusterutils._watcher.assert_called_once_with(
self._clusterutils._WMI_EVENT_TIMEOUT_MS)
fake_callback.assert_not_called()
def test_monitor_vm_failover(self):
self._clusterutils._watcher = mock.MagicMock()
fake_prev = mock.MagicMock(OwnerNode=self._FAKE_PREV_HOST)
fake_wmi_object = mock.MagicMock(OwnerNode=self._FAKE_HOST,
Name=self._FAKE_RESOURCEGROUP_NAME,
previous=fake_prev)
self._clusterutils._watcher.return_value = fake_wmi_object
fake_callback = mock.MagicMock()
self._clusterutils.monitor_vm_failover(fake_callback)
self._clusterutils._watcher.assert_called_once_with(
self._clusterutils._WMI_EVENT_TIMEOUT_MS)
fake_callback.assert_called_once_with(self._FAKE_VM_NAME,
self._FAKE_PREV_HOST,
self._FAKE_HOST)
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