# # 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. """Tests for :module:'heat.engine.resources.nova_utls'.""" import mock from novaclient import exceptions as nova_exceptions from oslo.config import cfg import uuid from heat.common import exception from heat.engine.clients.os import nova from heat.tests.common import HeatTestCase from heat.tests import utils class NovaClientPluginTestCase(HeatTestCase): def setUp(self): super(NovaClientPluginTestCase, self).setUp() self.nova_client = self.m.CreateMockAnything() con = utils.dummy_context() c = con.clients self.nova_plugin = c.client_plugin('nova') self.nova_plugin._client = self.nova_client class NovaClientPluginTests(NovaClientPluginTestCase): """ Basic tests for the helper methods in :module:'heat.engine.resources.nova_utils'. """ def test_get_ip(self): my_image = self.m.CreateMockAnything() my_image.addresses = { 'public': [{'version': 4, 'addr': '4.5.6.7'}, {'version': 6, 'addr': '2401:1801:7800:0101:c058:dd33:ff18:04e6'}], 'private': [{'version': 4, 'addr': '10.13.12.13'}]} expected = '4.5.6.7' observed = self.nova_plugin.get_ip(my_image, 'public', 4) self.assertEqual(expected, observed) expected = '10.13.12.13' observed = self.nova_plugin.get_ip(my_image, 'private', 4) self.assertEqual(expected, observed) expected = '2401:1801:7800:0101:c058:dd33:ff18:04e6' observed = self.nova_plugin.get_ip(my_image, 'public', 6) self.assertEqual(expected, observed) def test_get_flavor_id(self): """Tests the get_flavor_id function.""" flav_id = str(uuid.uuid4()) flav_name = 'X-Large' my_flavor = self.m.CreateMockAnything() my_flavor.name = flav_name my_flavor.id = flav_id self.nova_client.flavors = self.m.CreateMockAnything() self.nova_client.flavors.list().MultipleTimes().AndReturn([my_flavor]) self.m.ReplayAll() self.assertEqual(flav_id, self.nova_plugin.get_flavor_id(flav_name)) self.assertEqual(flav_id, self.nova_plugin.get_flavor_id(flav_id)) self.assertRaises(exception.FlavorMissing, self.nova_plugin.get_flavor_id, 'noflavor') self.m.VerifyAll() def test_get_keypair(self): """Tests the get_keypair function.""" my_pub_key = 'a cool public key string' my_key_name = 'mykey' my_key = self.m.CreateMockAnything() my_key.public_key = my_pub_key my_key.name = my_key_name self.nova_client.keypairs = self.m.CreateMockAnything() self.nova_client.keypairs.get( my_key_name).AndReturn(my_key) self.nova_client.keypairs.get( 'notakey').AndRaise(nova_exceptions.NotFound(404)) self.m.ReplayAll() self.assertEqual(my_key, self.nova_plugin.get_keypair(my_key_name)) self.assertRaises(exception.UserKeyPairMissing, self.nova_plugin.get_keypair, 'notakey') self.m.VerifyAll() class NovaUtilsRefreshServerTests(NovaClientPluginTestCase): def test_successful_refresh(self): server = self.m.CreateMockAnything() server.get().AndReturn(None) self.m.ReplayAll() self.assertIsNone(self.nova_plugin.refresh_server(server)) self.m.VerifyAll() def test_overlimit_error(self): server = mock.Mock() server.get.side_effect = nova_exceptions.OverLimit( 413, "limit reached") self.assertIsNone(self.nova_plugin.refresh_server(server)) def test_500_error(self): server = self.m.CreateMockAnything() msg = ("ClientException: The server has either erred or is " "incapable of performing the requested operation.") server.get().AndRaise( nova_exceptions.ClientException(500, msg)) self.m.ReplayAll() self.assertIsNone(self.nova_plugin.refresh_server(server)) self.m.VerifyAll() def test_503_error(self): server = self.m.CreateMockAnything() msg = ("ClientException: The server has either erred or is " "incapable of performing the requested operation.") server.get().AndRaise( nova_exceptions.ClientException(503, msg)) self.m.ReplayAll() self.assertIsNone(self.nova_plugin.refresh_server(server)) self.m.VerifyAll() def test_unhandled_exception(self): server = self.m.CreateMockAnything() msg = ("ClientException: The server has either erred or is " "incapable of performing the requested operation.") server.get().AndRaise( nova_exceptions.ClientException(501, msg)) self.m.ReplayAll() self.assertRaises(nova_exceptions.ClientException, self.nova_plugin.refresh_server, server) self.m.VerifyAll() class NovaUtilsUserdataTests(NovaClientPluginTestCase): def test_build_userdata(self): """Tests the build_userdata function.""" cfg.CONF.set_override('heat_metadata_server_url', 'http://server.test:123') cfg.CONF.set_override('heat_watch_server_url', 'http://server.test:345') cfg.CONF.set_override('instance_connection_is_secure', False) cfg.CONF.set_override( 'instance_connection_https_validate_certificates', False) data = self.nova_plugin.build_userdata({}) self.assertIn("Content-Type: text/cloud-config;", data) self.assertIn("Content-Type: text/cloud-boothook;", data) self.assertIn("Content-Type: text/part-handler;", data) self.assertIn("Content-Type: text/x-cfninitdata;", data) self.assertIn("Content-Type: text/x-shellscript;", data) self.assertIn("http://server.test:345", data) self.assertIn("http://server.test:123", data) self.assertIn("[Boto]", data) def test_build_userdata_without_instance_user(self): """Don't add a custom instance user when not requested.""" cfg.CONF.set_override('instance_user', 'config_instance_user') cfg.CONF.set_override('heat_metadata_server_url', 'http://server.test:123') cfg.CONF.set_override('heat_watch_server_url', 'http://server.test:345') data = self.nova_plugin.build_userdata({}, instance_user=None) self.assertNotIn('user: ', data) self.assertNotIn('useradd', data) self.assertNotIn('config_instance_user', data) def test_build_userdata_with_instance_user(self): """Add the custom instance user when requested.""" self.m.StubOutWithMock(nova.cfg, 'CONF') cnf = nova.cfg.CONF cnf.instance_user = 'config_instance_user' cnf.heat_metadata_server_url = 'http://server.test:123' cnf.heat_watch_server_url = 'http://server.test:345' data = self.nova_plugin.build_userdata( None, instance_user="custominstanceuser") self.assertNotIn('config_instance_user', data) self.assertIn("custominstanceuser", data) class NovaUtilsMetadataTests(NovaClientPluginTestCase): def test_serialize_string(self): original = {'test_key': 'simple string value'} self.assertEqual(original, self.nova_plugin.meta_serialize(original)) def test_serialize_int(self): original = {'test_key': 123} expected = {'test_key': '123'} self.assertEqual(expected, self.nova_plugin.meta_serialize(original)) def test_serialize_list(self): original = {'test_key': [1, 2, 3]} expected = {'test_key': '[1, 2, 3]'} self.assertEqual(expected, self.nova_plugin.meta_serialize(original)) def test_serialize_dict(self): original = {'test_key': {'a': 'b', 'c': 'd'}} expected = {'test_key': '{"a": "b", "c": "d"}'} self.assertEqual(expected, self.nova_plugin.meta_serialize(original)) def test_serialize_none(self): original = {'test_key': None} expected = {'test_key': 'null'} self.assertEqual(expected, self.nova_plugin.meta_serialize(original)) def test_serialize_combined(self): original = { 'test_key_1': 123, 'test_key_2': 'a string', 'test_key_3': {'a': 'b'}, 'test_key_4': None, } expected = { 'test_key_1': '123', 'test_key_2': 'a string', 'test_key_3': '{"a": "b"}', 'test_key_4': 'null', } self.assertEqual(expected, self.nova_plugin.meta_serialize(original))