254 lines
9.6 KiB
Python
254 lines
9.6 KiB
Python
#
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# 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 copy
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import mock
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from oslo_config import cfg
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import six
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from heat.common import exception
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from heat.common import template_format
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from heat.engine.resources.openstack.zun import container
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from heat.engine import scheduler
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from heat.engine import template
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from heat.tests import common
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from heat.tests import utils
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zun_template = '''
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heat_template_version: 2017-09-01
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resources:
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test_container:
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type: OS::Zun::Container
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properties:
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name: test_container
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image: "cirros:latest"
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command: sleep 10000
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cpu: 0.1
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memory: 100
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environment:
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myenv: foo
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workdir: /testdir
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labels:
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mylabel: bar
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image_pull_policy: always
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restart_policy: on-failure:2
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interactive: false
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image_driver: docker
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'''
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class ZunContainerTest(common.HeatTestCase):
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def setUp(self):
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super(ZunContainerTest, self).setUp()
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self.resource_id = '12345'
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self.fake_name = 'test_container'
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self.fake_image = 'cirros:latest'
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self.fake_command = 'sleep 10000'
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self.fake_cpu = 0.1
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self.fake_memory = 100
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self.fake_env = {'myenv': 'foo'}
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self.fake_workdir = '/testdir'
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self.fake_labels = {'mylabel': 'bar'}
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self.fake_image_policy = 'always'
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self.fake_restart_policy = {'MaximumRetryCount': '2',
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'Name': 'on-failure'}
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self.fake_interactive = False
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self.fake_image_driver = 'docker'
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self.fake_addresses = {
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'addresses': {
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'private': [
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{
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'version': 4,
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'addr': '10.0.0.12',
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'port': 'ab5c12d8-f414-48a3-b765-8ce34a6714d2'
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},
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],
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}
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}
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t = template_format.parse(zun_template)
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self.stack = utils.parse_stack(t)
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resource_defns = self.stack.t.resource_definitions(self.stack)
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self.rsrc_defn = resource_defns[self.fake_name]
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self.client = mock.Mock()
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self.patchobject(container.Container, 'client',
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return_value=self.client)
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def _mock_get_client(self):
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value = mock.MagicMock()
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value.name = self.fake_name
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value.image = self.fake_image
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value.command = self.fake_command
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value.cpu = self.fake_cpu
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value.memory = self.fake_memory
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value.environment = self.fake_env
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value.workdir = self.fake_workdir
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value.labels = self.fake_labels
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value.image_pull_policy = self.fake_image_policy
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value.restart_policy = self.fake_restart_policy
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value.interactive = self.fake_interactive
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value.image_driver = self.fake_image_driver
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value.addresses = self.fake_addresses
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value.to_dict.return_value = value.__dict__
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self.client.containers.get.return_value = value
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def _create_resource(self, name, snippet, stack, status='Running'):
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value = mock.MagicMock(uuid=self.resource_id)
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self.client.containers.run.return_value = value
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get_rv = mock.MagicMock(status=status)
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self.client.containers.get.return_value = get_rv
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c = container.Container(name, snippet, stack)
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return c
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def test_create(self):
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c = self._create_resource('container', self.rsrc_defn,
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self.stack)
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# validate the properties
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self.assertEqual(
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self.fake_name,
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c.properties.get(container.Container.NAME))
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self.assertEqual(
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self.fake_image,
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c.properties.get(container.Container.IMAGE))
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self.assertEqual(
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self.fake_command,
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c.properties.get(container.Container.COMMAND))
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self.assertEqual(
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self.fake_cpu,
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c.properties.get(container.Container.CPU))
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self.assertEqual(
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self.fake_memory,
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c.properties.get(container.Container.MEMORY))
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self.assertEqual(
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self.fake_env,
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c.properties.get(container.Container.ENVIRONMENT))
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self.assertEqual(
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self.fake_workdir,
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c.properties.get(container.Container.WORKDIR))
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self.assertEqual(
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self.fake_labels,
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c.properties.get(container.Container.LABELS))
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self.assertEqual(
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self.fake_image_policy,
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c.properties.get(container.Container.IMAGE_PULL_POLICY))
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self.assertEqual(
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'on-failure:2',
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c.properties.get(container.Container.RESTART_POLICY))
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self.assertEqual(
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self.fake_interactive,
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c.properties.get(container.Container.INTERACTIVE))
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self.assertEqual(
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self.fake_image_driver,
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c.properties.get(container.Container.IMAGE_DRIVER))
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scheduler.TaskRunner(c.create)()
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self.assertEqual(self.resource_id, c.resource_id)
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self.assertEqual((c.CREATE, c.COMPLETE), c.state)
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self.assertEqual('containers', c.entity)
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self.client.containers.run.assert_called_once_with(
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name=self.fake_name,
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image=self.fake_image,
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command=self.fake_command,
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cpu=self.fake_cpu,
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memory=self.fake_memory,
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environment=self.fake_env,
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workdir=self.fake_workdir,
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labels=self.fake_labels,
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image_pull_policy=self.fake_image_policy,
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restart_policy=self.fake_restart_policy,
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interactive=self.fake_interactive,
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image_driver=self.fake_image_driver
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)
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def test_container_create_failed(self):
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cfg.CONF.set_override('action_retry_limit', 0)
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c = self._create_resource('container', self.rsrc_defn, self.stack,
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status='Error')
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exc = self.assertRaises(
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exception.ResourceFailure,
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scheduler.TaskRunner(c.create))
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self.assertEqual((c.CREATE, c.FAILED), c.state)
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self.assertIn("Error in creating container ", six.text_type(exc))
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def test_container_create_unknown_status(self):
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c = self._create_resource('container', self.rsrc_defn, self.stack,
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status='FOO')
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exc = self.assertRaises(
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exception.ResourceFailure,
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scheduler.TaskRunner(c.create))
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self.assertEqual((c.CREATE, c.FAILED), c.state)
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self.assertIn("Unknown status Container", six.text_type(exc))
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def test_container_update(self):
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c = self._create_resource('container', self.rsrc_defn, self.stack)
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scheduler.TaskRunner(c.create)()
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t = template_format.parse(zun_template)
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new_t = copy.deepcopy(t)
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new_t['resources'][self.fake_name]['properties']['name'] = \
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'fake-container'
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new_t['resources'][self.fake_name]['properties']['cpu'] = 10
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new_t['resources'][self.fake_name]['properties']['memory'] = 10
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rsrc_defns = template.Template(new_t).resource_definitions(self.stack)
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new_c = rsrc_defns[self.fake_name]
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scheduler.TaskRunner(c.update, new_c)()
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self.client.containers.update.assert_called_once_with(
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self.resource_id, cpu=10, memory=10)
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self.client.containers.rename.assert_called_once_with(
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self.resource_id, name='fake-container')
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self.assertEqual((c.UPDATE, c.COMPLETE), c.state)
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def test_container_delete(self):
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c = self._create_resource('container', self.rsrc_defn, self.stack)
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scheduler.TaskRunner(c.create)()
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scheduler.TaskRunner(c.delete)()
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self.assertEqual((c.DELETE, c.COMPLETE), c.state)
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self.assertEqual(1, self.client.containers.delete.call_count)
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def test_container_delete_not_found(self):
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c = self._create_resource('container', self.rsrc_defn, self.stack)
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scheduler.TaskRunner(c.create)()
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c.client_plugin = mock.MagicMock()
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self.client.containers.delete.side_effect = Exception('Not Found')
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scheduler.TaskRunner(c.delete)()
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self.assertEqual((c.DELETE, c.COMPLETE), c.state)
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self.assertEqual(1, self.client.containers.delete.call_count)
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mock_ignore_not_found = c.client_plugin.return_value.ignore_not_found
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self.assertEqual(1, mock_ignore_not_found.call_count)
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def test_container_get_live_state(self):
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c = self._create_resource('container', self.rsrc_defn, self.stack)
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scheduler.TaskRunner(c.create)()
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self._mock_get_client()
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reality = c.get_live_state(c.properties)
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self.assertEqual(
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{
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container.Container.NAME: self.fake_name,
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container.Container.CPU: self.fake_cpu,
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container.Container.MEMORY: self.fake_memory,
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}, reality)
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def test_resolve_attributes(self):
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c = self._create_resource('container', self.rsrc_defn, self.stack)
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scheduler.TaskRunner(c.create)()
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self._mock_get_client()
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self.assertEqual(
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self.fake_name,
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c._resolve_attribute(container.Container.NAME))
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self.assertEqual(
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self.fake_addresses,
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c._resolve_attribute(container.Container.ADDRESSES))
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