def _test_stop_instance(self):
task = instance_failure.StopInstanceTask(self.novaclient)
task.execute(self.ctxt, self.instance_id)
# verify instance is stopped
instance = self.novaclient.get_server(self.ctxt, self.instance_id)
self.assertEqual('stopped',
getattr(instance, 'OS-EXT-STS:vm_state'))
def test_instance_failure_flow_stop_failed(self, _mock_notify,
_mock_novaclient):
_mock_novaclient.return_value = self.fake_client
# create test data
server = self.fake_client.servers.create(self.instance_id,
host="fake-host",
ha_enabled=True)
def fake_stop_server(context, uuid):
# assume that while stopping instance goes into error state
setattr(server, 'OS-EXT-STS:vm_state', "error")
return server
# test StopInstanceTask
task = instance_failure.StopInstanceTask(self.ctxt, self.novaclient)
with mock.patch.object(self.novaclient, 'stop_server',
fake_stop_server):
self.assertRaises(exception.InstanceRecoveryFailureException,
task.execute, self.instance_id)
# verify progress details
_mock_notify.assert_has_calls([
mock.call('Stopping instance: ' + self.instance_id),
mock.call('Failed to stop instance ' + self.instance_id, 1.0)
])
def test_instance_failure_flow_not_ha_enabled(self, _mock_novaclient):
_mock_novaclient.return_value = self.fake_client
# create test data
self.fake_client.servers.create(self.instance_id, host="fake-host")
# test StopInstanceTask
task = instance_failure.StopInstanceTask(self.novaclient)
self.assertRaises(
exception.SkipInstanceRecoveryException, task.execute,
self.ctxt, self.instance_id)
def test_instance_failure_flow_not_ha_enabled(self, _mock_notify,
_mock_novaclient):
_mock_novaclient.return_value = self.fake_client
# create test data
self.fake_client.servers.create(self.instance_id, host="fake-host")
# test StopInstanceTask
task = instance_failure.StopInstanceTask(self.ctxt, self.novaclient)
self.assertRaises(exception.SkipInstanceRecoveryException,
task.execute, self.instance_id)
# verify progress details
_mock_notify.assert_has_calls([
mock.call(
'Skipping recovery for instance: ' + self.instance_id +
' as it is not Ha_Enabled', 1.0)
])
def test_instance_failure_flow_vm_in_paused_state(self, _mock_notify,
_mock_novaclient):
_mock_novaclient.return_value = self.fake_client
# create test data
self.fake_client.servers.create(self.instance_id,
host="fake-host",
ha_enabled=True,
vm_state="paused")
# test StopInstanceTask
task = instance_failure.StopInstanceTask(self.ctxt, self.novaclient)
self.assertRaises(exception.IgnoreInstanceRecoveryException,
task.execute, self.instance_id)
# verify progress details
_mock_notify.assert_has_calls([
mock.call(
"Recovery of instance '" + self.instance_id +
"' is ignored as it is in 'paused' state.", 1.0)
])