503 lines
22 KiB
Python
503 lines
22 KiB
Python
# 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 mock
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from oslo_config import cfg
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from oslo_messaging.rpc import dispatcher
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import six
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from heat.common import exception
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from heat.common import identifier
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from heat.engine.clients.os import keystone
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from heat.engine import dependencies
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from heat.engine import resource as res
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from heat.engine import service
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from heat.engine import stack
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from heat.engine import template as templatem
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from heat.objects import stack as stack_object
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from heat.tests import common
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from heat.tests.engine import tools
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from heat.tests import fakes as test_fakes
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from heat.tests import generic_resource as generic_rsrc
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from heat.tests import utils
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policy_template = '''
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{
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"AWSTemplateFormatVersion" : "2010-09-09",
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"Description" : "alarming",
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"Resources" : {
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"WebServerScaleDownPolicy" : {
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"Type" : "AWS::AutoScaling::ScalingPolicy",
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"Properties" : {
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"AdjustmentType" : "ChangeInCapacity",
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"AutoScalingGroupName" : "",
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"Cooldown" : "60",
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"ScalingAdjustment" : "-1"
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}
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},
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"Random" : {
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"Type" : "OS::Heat::RandomString"
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}
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}
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}
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'''
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class StackResourcesServiceTest(common.HeatTestCase):
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def setUp(self):
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super(StackResourcesServiceTest, self).setUp()
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self.ctx = utils.dummy_context(tenant_id='stack_resource_test_tenant')
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self.eng = service.EngineService('a-host', 'a-topic')
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self.eng.thread_group_mgr = tools.DummyThreadGroupManager()
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self.eng.engine_id = 'engine-fake-uuid'
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cfg.CONF.set_default('heat_stack_user_role', 'stack_user_role')
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@mock.patch.object(stack.Stack, 'load')
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def _test_describe_stack_resource(self, mock_load):
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mock_load.return_value = self.stack
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# Patch _resolve_all_attributes or it tries to call novaclient
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self.patchobject(res.Resource, '_resolve_all_attributes',
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return_value=None)
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r = self.eng.describe_stack_resource(self.ctx, self.stack.identifier(),
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'WebServer', with_attr=None)
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self.assertIn('resource_identity', r)
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self.assertIn('description', r)
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self.assertIn('updated_time', r)
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self.assertIn('stack_identity', r)
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self.assertIsNotNone(r['stack_identity'])
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self.assertIn('stack_name', r)
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self.assertEqual(self.stack.name, r['stack_name'])
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self.assertIn('metadata', r)
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self.assertIn('resource_status', r)
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self.assertIn('resource_status_reason', r)
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self.assertIn('resource_type', r)
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self.assertIn('physical_resource_id', r)
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self.assertIn('resource_name', r)
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self.assertIn('attributes', r)
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self.assertEqual('WebServer', r['resource_name'])
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mock_load.assert_called_once_with(self.ctx, stack=mock.ANY)
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@tools.stack_context('service_stack_resource_describe__test_stack')
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def test_stack_resource_describe(self):
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self._test_describe_stack_resource()
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@mock.patch.object(service.EngineService, '_get_stack')
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def test_stack_resource_describe_nonexist_stack(self, mock_get):
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non_exist_identifier = identifier.HeatIdentifier(
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self.ctx.tenant_id, 'wibble',
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'18d06e2e-44d3-4bef-9fbf-52480d604b02')
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mock_get.side_effect = exception.EntityNotFound(
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entity='Stack', name='test')
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ex = self.assertRaises(dispatcher.ExpectedException,
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self.eng.describe_stack_resource,
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self.ctx, non_exist_identifier, 'WebServer')
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self.assertEqual(exception.EntityNotFound, ex.exc_info[0])
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mock_get.assert_called_once_with(self.ctx, non_exist_identifier)
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@mock.patch.object(stack.Stack, 'load')
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@tools.stack_context('service_resource_describe_nonexist_test_stack')
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def test_stack_resource_describe_nonexist_resource(self, mock_load):
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mock_load.return_value = self.stack
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ex = self.assertRaises(dispatcher.ExpectedException,
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self.eng.describe_stack_resource,
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self.ctx, self.stack.identifier(), 'foo')
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self.assertEqual(exception.ResourceNotFound, ex.exc_info[0])
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mock_load.assert_called_once_with(self.ctx, stack=mock.ANY)
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@tools.stack_context('service_resource_describe_noncreated_test_stack',
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create_res=False)
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def test_stack_resource_describe_noncreated_resource(self):
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self._test_describe_stack_resource()
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@mock.patch.object(service.EngineService, '_authorize_stack_user')
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@tools.stack_context('service_resource_describe_user_deny_test_stack')
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def test_stack_resource_describe_stack_user_deny(self, mock_auth):
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self.ctx.roles = [cfg.CONF.heat_stack_user_role]
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mock_auth.return_value = False
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ex = self.assertRaises(dispatcher.ExpectedException,
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self.eng.describe_stack_resource,
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self.ctx, self.stack.identifier(), 'foo')
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self.assertEqual(exception.Forbidden, ex.exc_info[0])
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mock_auth.assert_called_once_with(self.ctx, mock.ANY, 'foo')
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@mock.patch.object(stack.Stack, 'load')
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@tools.stack_context('service_resources_describe_test_stack')
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def test_stack_resources_describe(self, mock_load):
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mock_load.return_value = self.stack
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resources = self.eng.describe_stack_resources(self.ctx,
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self.stack.identifier(),
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'WebServer')
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self.assertEqual(1, len(resources))
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r = resources[0]
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self.assertIn('resource_identity', r)
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self.assertIn('description', r)
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self.assertIn('updated_time', r)
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self.assertIn('stack_identity', r)
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self.assertIsNotNone(r['stack_identity'])
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self.assertIn('stack_name', r)
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self.assertEqual(self.stack.name, r['stack_name'])
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self.assertIn('resource_status', r)
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self.assertIn('resource_status_reason', r)
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self.assertIn('resource_type', r)
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self.assertIn('physical_resource_id', r)
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self.assertIn('resource_name', r)
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self.assertEqual('WebServer', r['resource_name'])
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mock_load.assert_called_once_with(self.ctx, stack=mock.ANY)
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@mock.patch.object(stack.Stack, 'load')
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@tools.stack_context('service_resources_describe_no_filter_test_stack')
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def test_stack_resources_describe_no_filter(self, mock_load):
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mock_load.return_value = self.stack
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resources = self.eng.describe_stack_resources(
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self.ctx, self.stack.identifier(), None)
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self.assertEqual(1, len(resources))
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r = resources[0]
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self.assertIn('resource_name', r)
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self.assertEqual('WebServer', r['resource_name'])
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mock_load.assert_called_once_with(self.ctx, stack=mock.ANY)
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@mock.patch.object(service.EngineService, '_get_stack')
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def test_stack_resources_describe_bad_lookup(self, mock_get):
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mock_get.side_effect = TypeError
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self.assertRaises(TypeError,
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self.eng.describe_stack_resources,
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self.ctx, None, 'WebServer')
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mock_get.assert_called_once_with(self.ctx, None)
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def test_stack_resources_describe_nonexist_stack(self):
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non_exist_identifier = identifier.HeatIdentifier(
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self.ctx.tenant_id, 'wibble',
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'18d06e2e-44d3-4bef-9fbf-52480d604b02')
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ex = self.assertRaises(dispatcher.ExpectedException,
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self.eng.describe_stack_resources,
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self.ctx, non_exist_identifier, 'WebServer')
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self.assertEqual(exception.EntityNotFound, ex.exc_info[0])
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@tools.stack_context('find_phys_res_stack')
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def test_find_physical_resource(self):
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resources = self.eng.describe_stack_resources(self.ctx,
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self.stack.identifier(),
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None)
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phys_id = resources[0]['physical_resource_id']
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result = self.eng.find_physical_resource(self.ctx, phys_id)
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self.assertIsInstance(result, dict)
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resource_identity = identifier.ResourceIdentifier(**result)
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self.assertEqual(self.stack.identifier(), resource_identity.stack())
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self.assertEqual('WebServer', resource_identity.resource_name)
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def test_find_physical_resource_nonexist(self):
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ex = self.assertRaises(dispatcher.ExpectedException,
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self.eng.find_physical_resource,
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self.ctx, 'foo')
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self.assertEqual(exception.EntityNotFound, ex.exc_info[0])
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@mock.patch.object(stack.Stack, 'load')
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@tools.stack_context('service_resources_list_test_stack')
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def test_stack_resources_list(self, mock_load):
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mock_load.return_value = self.stack
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resources = self.eng.list_stack_resources(self.ctx,
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self.stack.identifier())
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self.assertEqual(1, len(resources))
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r = resources[0]
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self.assertIn('resource_identity', r)
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self.assertIn('updated_time', r)
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self.assertIn('physical_resource_id', r)
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self.assertIn('resource_name', r)
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self.assertEqual('WebServer', r['resource_name'])
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self.assertIn('resource_status', r)
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self.assertIn('resource_status_reason', r)
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self.assertIn('resource_type', r)
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mock_load.assert_called_once_with(self.ctx, stack=mock.ANY)
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@mock.patch.object(stack.Stack, 'load')
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@tools.stack_context('service_resources_list_test_stack_with_depth')
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def test_stack_resources_list_with_depth(self, mock_load):
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mock_load.return_value = self.stack
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resources = six.itervalues(self.stack)
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self.stack.iter_resources = mock.Mock(return_value=resources)
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resources = self.eng.list_stack_resources(self.ctx,
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self.stack.identifier(),
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2)
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self.stack.iter_resources.assert_called_once_with(2,
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filters=None)
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@mock.patch.object(stack.Stack, 'load')
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@tools.stack_context('service_resources_list_test_stack_with_max_depth')
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def test_stack_resources_list_with_max_depth(self, mock_load):
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mock_load.return_value = self.stack
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resources = six.itervalues(self.stack)
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self.stack.iter_resources = mock.Mock(return_value=resources)
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resources = self.eng.list_stack_resources(self.ctx,
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self.stack.identifier(),
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99)
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max_depth = cfg.CONF.max_nested_stack_depth
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self.stack.iter_resources.assert_called_once_with(max_depth,
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filters=None)
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@mock.patch.object(stack.Stack, 'load')
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def test_stack_resources_list_deleted_stack(self, mock_load):
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stk = tools.setup_stack('resource_list_deleted_stack', self.ctx)
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stack_id = stk.identifier()
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mock_load.return_value = stk
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tools.clean_up_stack(stk)
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resources = self.eng.list_stack_resources(self.ctx, stack_id)
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self.assertEqual(1, len(resources))
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res = resources[0]
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self.assertEqual('DELETE', res['resource_action'])
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self.assertEqual('COMPLETE', res['resource_status'])
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@mock.patch.object(service.EngineService, '_get_stack')
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def test_stack_resources_list_nonexist_stack(self, mock_get):
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non_exist_identifier = identifier.HeatIdentifier(
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self.ctx.tenant_id, 'wibble',
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'18d06e2e-44d3-4bef-9fbf-52480d604b02')
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mock_get.side_effect = exception.EntityNotFound(entity='Stack',
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name='test')
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ex = self.assertRaises(dispatcher.ExpectedException,
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self.eng.list_stack_resources,
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self.ctx, non_exist_identifier)
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self.assertEqual(exception.EntityNotFound, ex.exc_info[0])
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mock_get.assert_called_once_with(self.ctx, non_exist_identifier,
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show_deleted=True)
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def _stack_create(self, stack_name):
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self.patchobject(keystone.KeystoneClientPlugin, '_create',
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return_value=test_fakes.FakeKeystoneClient())
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stk = tools.get_stack(stack_name, self.ctx, policy_template)
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stk.store()
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stk.create()
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s = stack_object.Stack.get_by_id(self.ctx, stk.id)
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self.patchobject(service.EngineService, '_get_stack', return_value=s)
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return stk
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def test_signal_reception_async(self):
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self.eng.thread_group_mgr = tools.DummyThreadGroupMgrLogStart()
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stack_name = 'signal_reception_async'
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self.stack = self._stack_create(stack_name)
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test_data = {'food': 'yum'}
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self.eng.resource_signal(self.ctx,
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dict(self.stack.identifier()),
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'WebServerScaleDownPolicy',
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test_data)
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self.assertEqual([(self.stack.id, mock.ANY)],
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self.eng.thread_group_mgr.started)
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@mock.patch.object(res.Resource, 'signal')
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def test_signal_reception_sync(self, mock_signal):
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mock_signal.return_value = None
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stack_name = 'signal_reception_sync'
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self.stack = self._stack_create(stack_name)
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test_data = {'food': 'yum'}
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self.eng.resource_signal(self.ctx,
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dict(self.stack.identifier()),
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'WebServerScaleDownPolicy',
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test_data,
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sync_call=True)
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mock_signal.assert_called_once_with(mock.ANY, False)
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def test_signal_reception_no_resource(self):
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stack_name = 'signal_reception_no_resource'
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self.stack = self._stack_create(stack_name)
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test_data = {'food': 'yum'}
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ex = self.assertRaises(dispatcher.ExpectedException,
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self.eng.resource_signal, self.ctx,
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dict(self.stack.identifier()),
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'resource_does_not_exist',
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test_data)
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self.assertEqual(exception.ResourceNotFound, ex.exc_info[0])
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@mock.patch.object(stack.Stack, 'load')
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@mock.patch.object(service.EngineService, '_get_stack')
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def test_signal_reception_unavailable_resource(self, mock_get, mock_load):
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stack_name = 'signal_reception_unavailable_resource'
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stk = tools.get_stack(stack_name, self.ctx, policy_template)
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stk.store()
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self.stack = stk
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s = stack_object.Stack.get_by_id(self.ctx, self.stack.id)
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mock_load.return_value = stk
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mock_get.return_value = s
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test_data = {'food': 'yum'}
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ex = self.assertRaises(dispatcher.ExpectedException,
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self.eng.resource_signal, self.ctx,
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dict(self.stack.identifier()),
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'WebServerScaleDownPolicy',
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test_data)
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self.assertEqual(exception.ResourceNotAvailable, ex.exc_info[0])
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mock_load.assert_called_once_with(self.ctx, stack=mock.ANY,
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use_stored_context=mock.ANY)
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mock_get.assert_called_once_with(self.ctx, self.stack.identifier())
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@mock.patch.object(res.Resource, 'signal')
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def test_signal_returns_metadata(self, mock_signal):
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mock_signal.return_value = None
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self.stack = self._stack_create('signal_reception')
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rsrc = self.stack['WebServerScaleDownPolicy']
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test_metadata = {'food': 'yum'}
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rsrc.metadata_set(test_metadata)
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md = self.eng.resource_signal(self.ctx,
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dict(self.stack.identifier()),
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'WebServerScaleDownPolicy', None,
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sync_call=True)
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self.assertEqual(test_metadata, md)
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mock_signal.assert_called_once_with(mock.ANY, False)
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def test_signal_unset_invalid_hook(self):
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self.stack = self._stack_create('signal_unset_invalid_hook')
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details = {'unset_hook': 'invalid_hook'}
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ex = self.assertRaises(dispatcher.ExpectedException,
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self.eng.resource_signal,
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self.ctx,
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dict(self.stack.identifier()),
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'WebServerScaleDownPolicy',
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details)
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msg = 'Invalid hook type "invalid_hook"'
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self.assertIn(msg, six.text_type(ex.exc_info[1]))
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self.assertEqual(exception.InvalidBreakPointHook,
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ex.exc_info[0])
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def test_signal_unset_not_defined_hook(self):
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self.stack = self._stack_create('signal_unset_not_defined_hook')
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details = {'unset_hook': 'pre-update'}
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ex = self.assertRaises(dispatcher.ExpectedException,
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self.eng.resource_signal,
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self.ctx,
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dict(self.stack.identifier()),
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'WebServerScaleDownPolicy',
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details)
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msg = ('The "pre-update" hook is not defined on '
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'AWSScalingPolicy "WebServerScaleDownPolicy"')
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self.assertIn(msg, six.text_type(ex.exc_info[1]))
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self.assertEqual(exception.InvalidBreakPointHook,
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ex.exc_info[0])
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@mock.patch.object(res.Resource, 'metadata_update')
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@mock.patch.object(res.Resource, 'signal')
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@mock.patch.object(service.EngineService, '_get_stack')
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def test_signal_calls_metadata_update(self, mock_get, mock_signal,
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mock_update):
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# fake keystone client
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self.patchobject(keystone.KeystoneClientPlugin, '_create',
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return_value=test_fakes.FakeKeystoneClient())
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stk = tools.get_stack('signal_reception', self.ctx, policy_template)
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self.stack = stk
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stk.store()
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stk.create()
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s = stack_object.Stack.get_by_id(self.ctx, self.stack.id)
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mock_get.return_value = s
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mock_signal.return_value = None
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# this will be called once for the Random resource
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mock_update.return_value = None
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self.eng.resource_signal(self.ctx,
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dict(self.stack.identifier()),
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'WebServerScaleDownPolicy', None,
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sync_call=True)
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mock_get.assert_called_once_with(self.ctx, self.stack.identifier())
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mock_signal.assert_called_once_with(mock.ANY, False)
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mock_update.assert_called_once_with()
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@mock.patch.object(res.Resource, 'metadata_update')
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@mock.patch.object(res.Resource, 'signal')
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@mock.patch.object(service.EngineService, '_get_stack')
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def test_signal_no_calls_metadata_update(self, mock_get, mock_signal,
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mock_update):
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# fake keystone client
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self.patchobject(keystone.KeystoneClientPlugin, '_create',
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return_value=test_fakes.FakeKeystoneClient())
|
|
|
|
stk = tools.get_stack('signal_reception', self.ctx, policy_template)
|
|
self.stack = stk
|
|
stk.store()
|
|
stk.create()
|
|
s = stack_object.Stack.get_by_id(self.ctx, self.stack.id)
|
|
mock_get.return_value = s
|
|
mock_signal.return_value = None
|
|
res.Resource.signal_needs_metadata_updates = False
|
|
|
|
self.eng.resource_signal(self.ctx,
|
|
dict(self.stack.identifier()),
|
|
'WebServerScaleDownPolicy', None,
|
|
sync_call=True)
|
|
|
|
mock_get.assert_called_once_with(self.ctx, self.stack.identifier())
|
|
mock_signal.assert_called_once_with(mock.ANY, False)
|
|
# this will never be called
|
|
self.assertEqual(0, mock_update.call_count)
|
|
|
|
res.Resource.signal_needs_metadata_updates = True
|
|
|
|
def test_lazy_load_resources(self):
|
|
stack_name = 'lazy_load_test'
|
|
|
|
lazy_load_template = {
|
|
'HeatTemplateFormatVersion': '2012-12-12',
|
|
'Resources': {
|
|
'foo': {'Type': 'GenericResourceType'},
|
|
'bar': {
|
|
'Type': 'ResourceWithPropsType',
|
|
'Properties': {
|
|
'Foo': {'Ref': 'foo'},
|
|
}
|
|
}
|
|
}
|
|
}
|
|
templ = templatem.Template(lazy_load_template)
|
|
stk = stack.Stack(self.ctx, stack_name, templ)
|
|
|
|
self.assertIsNone(stk._resources)
|
|
self.assertIsNone(stk._dependencies)
|
|
|
|
resources = stk.resources
|
|
self.assertIsInstance(resources, dict)
|
|
self.assertEqual(2, len(resources))
|
|
self.assertIsInstance(resources.get('foo'),
|
|
generic_rsrc.GenericResource)
|
|
self.assertIsInstance(resources.get('bar'),
|
|
generic_rsrc.ResourceWithProps)
|
|
|
|
stack_dependencies = stk.dependencies
|
|
self.assertIsInstance(stack_dependencies, dependencies.Dependencies)
|
|
self.assertEqual(2, len(stack_dependencies.graph()))
|