openstack/deb-heat
Code Issues Proposed changes
7f30218ea1
deb-heat/heat/tests/test_nova_utils.py
Steve Baker 60e6eeb075 Move nova_utils functions to nova client plugin 
All uses of nova_utils functions have been migrated to using
the nova client plugin version.

Existing functions now have a deprecation warning which is
suppressed during nova_utils unit tests.

nova_utils.get_flavor_id was being called with the trove
client, so there is now a dedicated trove plugin method
get_flavor_id.

Change-Id: Ic8120022a1f9117c783f6422069f94614bcbb3c6
2014-08-13 20:12:29 -05:00

292 lines
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Python
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#
# 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
import six
import uuid
from novaclient import exceptions as nova_exceptions
from heat.common import exception
from heat.engine.resources import nova_utils
from heat.engine import scheduler
from heat.tests.common import HeatTestCase
from heat.tests.v1_1 import fakes
class NovaUtilsTests(HeatTestCase):
"""
Basic tests for the helper methods in
:module:'heat.engine.resources.nova_utils'.
"""
def setUp(self):
super(NovaUtilsTests, self).setUp()
self.nova_client = self.m.CreateMockAnything()
self.mock_warnings = mock.patch(
'heat.engine.resources.nova_utils.warnings')
self.mock_warnings.start()
self.addCleanup(self.mock_warnings.stop)
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 = nova_utils.get_ip(my_image, 'public', 4)
self.assertEqual(expected, observed)
expected = '10.13.12.13'
observed = nova_utils.get_ip(my_image, 'private', 4)
self.assertEqual(expected, observed)
expected = '2401:1801:7800:0101:c058:dd33:ff18:04e6'
observed = nova_utils.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, nova_utils.get_flavor_id(self.nova_client,
flav_name))
self.assertEqual(flav_id, nova_utils.get_flavor_id(self.nova_client,
flav_id))
self.assertRaises(exception.FlavorMissing, nova_utils.get_flavor_id,
self.nova_client, '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(fakes.fake_exception())
self.m.ReplayAll()
self.assertEqual(my_key, nova_utils.get_keypair(self.nova_client,
my_key_name))
self.assertRaises(exception.UserKeyPairMissing, nova_utils.get_keypair,
self.nova_client, 'notakey')
self.m.VerifyAll()
def test_delete_server(self):
server = mock.Mock()
server.status = "DELETED"
task = scheduler.TaskRunner(nova_utils.delete_server, server)
self.assertIsNone(task())
def test_delete_server_notfound(self):
server = mock.Mock()
server.delete.side_effect = nova_exceptions.NotFound(404)
task = scheduler.TaskRunner(nova_utils.delete_server, server)
self.assertIsNone(task())
def test_delete_noserver(self):
task = scheduler.TaskRunner(nova_utils.delete_server, None)
self.assertIsNone(task())
def test_delete_servererror(self):
server = mock.Mock()
server.name = "myserver"
server.status = "ERROR"
server.fault = {
"message": "test error",
}
task = scheduler.TaskRunner(nova_utils.delete_server, server)
err = self.assertRaises(exception.Error, task)
self.assertIn("myserver delete failed: (None) test error",
six.text_type(err))
class NovaUtilsRefreshServerTests(HeatTestCase):
def setUp(self):
super(NovaUtilsRefreshServerTests, self).setUp()
self.mock_warnings = mock.patch(
'heat.engine.resources.nova_utils.warnings')
self.mock_warnings.start()
self.addCleanup(self.mock_warnings.stop)
def test_successful_refresh(self):
server = self.m.CreateMockAnything()
server.get().AndReturn(None)
self.m.ReplayAll()
self.assertIsNone(nova_utils.refresh_server(server))
self.m.VerifyAll()
def test_overlimit_error(self):
server = mock.Mock()
server.get.side_effect = fakes.fake_exception(413)
self.assertIsNone(nova_utils.refresh_server(server))
def test_500_error(self):
server = self.m.CreateMockAnything()
server.get().AndRaise(fakes.fake_exception(500))
self.m.ReplayAll()
self.assertIsNone(nova_utils.refresh_server(server))
self.m.VerifyAll()
def test_503_error(self):
server = self.m.CreateMockAnything()
server.get().AndRaise(fakes.fake_exception(503))
self.m.ReplayAll()
self.assertIsNone(nova_utils.refresh_server(server))
self.m.VerifyAll()
def test_unhandled_exception(self):
server = self.m.CreateMockAnything()
server.get().AndRaise(fakes.fake_exception(501))
self.m.ReplayAll()
self.assertRaises(nova_exceptions.ClientException,
nova_utils.refresh_server, server)
self.m.VerifyAll()
class NovaUtilsUserdataTests(HeatTestCase):
def setUp(self):
super(NovaUtilsUserdataTests, self).setUp()
self.nova_client = self.m.CreateMockAnything()
self.mock_warnings = mock.patch(
'heat.engine.resources.nova_utils.warnings')
self.mock_warnings.start()
self.addCleanup(self.mock_warnings.stop)
def test_build_userdata(self):
"""Tests the build_userdata function."""
resource = self.m.CreateMockAnything()
resource.metadata_get().AndReturn({})
self.m.StubOutWithMock(nova_utils.cfg, 'CONF')
cnf = nova_utils.cfg.CONF
cnf.heat_metadata_server_url = 'http://server.test:123'
cnf.heat_watch_server_url = 'http://server.test:345'
cnf.instance_connection_is_secure = False
cnf.instance_connection_https_validate_certificates = False
self.m.ReplayAll()
data = nova_utils.build_userdata(resource)
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)
self.m.VerifyAll()
def test_build_userdata_without_instance_user(self):
"""Don't add a custom instance user when not requested."""
resource = self.m.CreateMockAnything()
resource.metadata_get().AndReturn({})
self.m.StubOutWithMock(nova_utils.cfg, 'CONF')
cnf = nova_utils.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'
self.m.ReplayAll()
data = nova_utils.build_userdata(resource, instance_user=None)
self.assertNotIn('user: ', data)
self.assertNotIn('useradd', data)
self.assertNotIn('config_instance_user', data)
self.m.VerifyAll()
def test_build_userdata_with_instance_user(self):
"""Add the custom instance user when requested."""
resource = self.m.CreateMockAnything()
resource.metadata_get().AndReturn(None)
self.m.StubOutWithMock(nova_utils.cfg, 'CONF')
cnf = nova_utils.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'
self.m.ReplayAll()
data = nova_utils.build_userdata(resource,
instance_user="custominstanceuser")
self.assertNotIn('config_instance_user', data)
self.assertIn("custominstanceuser", data)
self.m.VerifyAll()
class NovaUtilsMetadataTests(HeatTestCase):
def setUp(self):
super(NovaUtilsMetadataTests, self).setUp()
self.mock_warnings = mock.patch(
'heat.engine.resources.nova_utils.warnings')
self.mock_warnings.start()
self.addCleanup(self.mock_warnings.stop)
def test_serialize_string(self):
original = {'test_key': 'simple string value'}
self.assertEqual(original, nova_utils.meta_serialize(original))
def test_serialize_int(self):
original = {'test_key': 123}
expected = {'test_key': '123'}
self.assertEqual(expected, nova_utils.meta_serialize(original))
def test_serialize_list(self):
original = {'test_key': [1, 2, 3]}
expected = {'test_key': '[1, 2, 3]'}
self.assertEqual(expected, nova_utils.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, nova_utils.meta_serialize(original))
def test_serialize_none(self):
original = {'test_key': None}
expected = {'test_key': 'null'}
self.assertEqual(expected, nova_utils.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, nova_utils.meta_serialize(original))
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