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#!/usr/bin/env python
# Copyright 2016 NEC Corporation
# 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.
import copy
import imp
import os
import sys
from unittest import mock
from docker import errors as docker_error
from docker.types import Ulimit
from oslotest import base
sys.modules['dbus'] = mock.MagicMock()
this_dir = os.path.dirname(sys.modules[__name__].__file__)
ansible_dir = os.path.join(this_dir, '..', '..', 'ansible')
kolla_container_file = os.path.join(ansible_dir,
'library', 'kolla_container.py')
docker_worker_file = os.path.join(ansible_dir,
'module_utils', 'kolla_docker_worker.py')
kc = imp.load_source('kolla_container', kolla_container_file)
dwm = imp.load_source('kolla_docker_worker', docker_worker_file)
FAKE_DATA = {
'params': {
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'api_version': None,
'auth_username': None,
'auth_password': None,
'auth_registry': None,
'restart_policy': None,
'auth_email': None,
'restart_retries': None,
'graceful_timeout': None,
'client_timeout': None,
'command': None,
'detach': True,
'environment': None,
'host_config': {
'network_mode': 'host',
'ipc_mode': '',
'cap_add': None,
'security_opt': None,
'pid_mode': '',
'privileged': False,
'tmpfs': None,
'volumes_from': None,
'restart_policy': 'unless-stopped',
'restart_retries': 10},
'labels': {'build-date': '2016-06-02',
'kolla_version': '2.0.1',
'license': 'GPLv2',
'name': 'ubuntu Base Image',
'vendor': 'ubuntuOS'},
'image': 'myregistrydomain.com:5000/ubuntu:16.04',
'name': 'test_container',
'remove_on_exit': True,
'volumes': None,
'tty': False,
},
'images': [
{'Created': 1462317178,
'Labels': {},
'VirtualSize': 120759015,
'ParentId': '',
'RepoTags': ['myregistrydomain.com:5000/ubuntu:16.04'],
'Id': 'sha256:c5f1cf30',
'Size': 120759015},
{'Created': 1461802380,
'Labels': {},
'VirtualSize': 403096303,
'ParentId': '',
'RepoTags': ['myregistrydomain.com:5000/centos:7.0'],
'Id': 'sha256:336a6',
'Size': 403096303}
],
'containers': [
{'Created': 1463578194,
'Status': 'Up 23 hours',
'HostConfig': {'NetworkMode': 'default'},
'Id': 'e40d8e7187',
'Image': 'myregistrydomain.com:5000/ubuntu:16.04',
'ImageID': 'sha256:c5f1cf30',
'Labels': {},
'Names': '/my_container'},
{'Created': 1463578195,
'Status': 'Exited (0) 2 hours ago',
'HostConfig': {'NetworkMode': 'default'},
'Id': 'e40d8e7188',
'Image': 'myregistrydomain.com:5000/ubuntu:16.04',
'ImageID': 'sha256:c5f1cf30',
'Labels': {},
'Names': '/exited_container'},
],
'container_inspect': {
'Config': {
'Env': ['KOLLA_BASE_DISTRO=ubuntu'],
'Hostname': 'node2',
'Volumes': {'/var/lib/kolla/config_files/': {}}},
'Mounts': {},
'NetworkSettings': {},
'State': {}
}
}
FAKE_DATA_COMMON_OPTS = {
'auth_username': 'kevko',
'auth_password': 'SECRET',
'auth_registry': 'Quay.io/kolla',
'restart_policy': 'unless-stopped',
'auth_email': 'kevko@kevko.org',
'restart_retries': 20,
'environment': {
'KOLLA_CONFIG_STRATEGY': 'COPY_ALWAYS'
},
'graceful_timeout': 60,
'client_timeout': 150
}
def get_DockerWorker(mod_param, docker_api_version='1.40'):
module = mock.MagicMock()
module.params = copy.deepcopy(mod_param)
common_options_defaults = {
'auth_email': None,
'auth_password': None,
'auth_registry': None,
'auth_username': None,
'environment': None,
'restart_policy': None,
'restart_retries': 10,
'api_version': 'auto',
'graceful_timeout': 10,
'client_timeout': 120,
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}
new_args = module.params.pop('common_options', dict()) or dict()
env_module_environment = module.params.pop('environment', dict()) or dict()
for k, v in module.params.items():
if v is None:
if k in common_options_defaults:
if k in new_args:
# From ansible groups vars the common options
# can be string or int
if isinstance(new_args[k], str) and new_args[k].isdigit():
new_args[k] = int(new_args[k])
continue
else:
if common_options_defaults[k] is not None:
new_args[k] = common_options_defaults[k]
else:
continue
if v is not None:
new_args[k] = v
env_module_common_options = new_args.pop('environment', dict())
new_args['environment'] = env_module_common_options
new_args['environment'].update(env_module_environment)
# if pid_mode = ""/None/False, remove it
if not new_args.get('pid_mode', False):
new_args.pop('pid_mode', None)
# if ipc_mode = ""/None/False, remove it
if not new_args.get('ipc_mode', False):
new_args.pop('ipc_mode', None)
module.params = new_args
with mock.patch("docker.APIClient") as MockedDockerClientClass:
MockedDockerClientClass.return_value._version = docker_api_version
dw = dwm.DockerWorker(module)
dw.systemd = mock.MagicMock()
return dw
def inject_env_when_create_container(container_data):
container_env = container_data.get('environment', dict()) or dict()
container_svc_name = container_data.get('name').replace('_', '-')
container_env.update({'KOLLA_SERVICE_NAME': container_svc_name})
container_data['environment'] = container_env
class TestMainModule(base.BaseTestCase):
def setUp(self):
super(TestMainModule, self).setUp()
self.fake_data = copy.deepcopy(FAKE_DATA)
self.fake_data_common_opts = copy.deepcopy(FAKE_DATA)
self.fake_data_common_opts['params']['common_options'] = \
FAKE_DATA_COMMON_OPTS
@mock.patch("kolla_container.traceback.format_exc")
@mock.patch("kolla_docker_worker.get_docker_client")
@mock.patch("kolla_container.generate_module")
def test_docker_client_exception(self, mock_generate_module, mock_dclient,
mock_traceback):
module_mock = mock.MagicMock()
mock_generate_module.return_value = module_mock
mock_dclient.side_effect = AttributeError()
mock_traceback.return_value = "Some very ugly traceback"
module_mock.fail_json.assert_called_once_with(
changed=True, msg=repr("Some very ugly traceback"))
@mock.patch("kolla_container.generate_module")
def test_execute_module(self, mock_generate_module):
module_mock = mock.MagicMock()
module_mock.params = self.fake_data['params']
module_mock.params["action"] = "check_image"
mock_generate_module.return_value = module_mock
with mock.patch(
"ansible.module_utils.kolla_docker_worker.DockerWorker"
) as mock_dw:
mock_dw.return_value.check_image.return_value = False
mock_dw.return_value.changed = False
mock_dw.return_value.result = {"some_key": "some_value"}
mock_dw.assert_called_once_with(module_mock)
mock_dw.return_value.check_image.assert_called_once_with()
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module_mock.exit_json.assert_called_once_with(changed=False,
result=False,
some_key="some_value")
def test_sets_cgroupns_mode_supported_false(self):
self.dw = get_DockerWorker(self.fake_data['params'])
self.assertFalse(self.dw._cgroupns_mode_supported)
def test_sets_cgroupns_mode_supported_true(self):
self.dw = get_DockerWorker(self.fake_data['params'],
docker_api_version='1.41')
self.assertTrue(self.dw._cgroupns_mode_supported)
def test_sets_dimensions_kernelmemory_supported_true(self):
self.dw = get_DockerWorker(self.fake_data['params'])
self.assertFalse(self.dw._dimensions_kernel_memory_removed)
def test_sets_dimensions_kernelmemory_supported_false(self):
self.dw = get_DockerWorker(self.fake_data['params'],
docker_api_version='1.42')
self.assertTrue(self.dw._dimensions_kernel_memory_removed)
def test_common_options_defaults(self):
self.dw = get_DockerWorker(self.fake_data['params'])
self.assertEqual(self.dw.params['api_version'], 'auto')
self.assertEqual(self.dw.params['restart_retries'], 10)
self.assertEqual(self.dw.params['graceful_timeout'], 10)
self.assertEqual(self.dw.params['client_timeout'], 120)
self.assertEqual(self.dw.params['environment'], {})
self.assertNotIn('auth_email', self.dw.params)
self.assertNotIn('auth_password', self.dw.params)
self.assertNotIn('auth_registry', self.dw.params)
self.assertNotIn('auth_username', self.dw.params)
self.assertNotIn('restart_policy', self.dw.params)
def test_common_options(self):
self.dw = get_DockerWorker(self.fake_data_common_opts['params'])
self.assertEqual(self.dw.params['api_version'], 'auto')
self.assertEqual(self.dw.params['restart_retries'], 20)
self.assertEqual(self.dw.params['graceful_timeout'], 60)
self.assertEqual(self.dw.params['client_timeout'], 150)
self.assertEqual(self.dw.params['environment'],
{'KOLLA_CONFIG_STRATEGY': 'COPY_ALWAYS'})
self.assertEqual(self.dw.params['auth_email'], 'kevko@kevko.org')
self.assertEqual(self.dw.params['auth_password'], 'SECRET')
self.assertEqual(self.dw.params['auth_registry'], 'Quay.io/kolla')
self.assertEqual(self.dw.params['auth_username'], 'kevko')
self.assertEqual(self.dw.params['restart_policy'], 'unless-stopped')
def test_common_options_overriden(self):
self.fake_data_common_opts['params']['restart_retries'] = 50
self.fake_data_common_opts['params']['graceful_timeout'] = 100
self.fake_data_common_opts['params']['auth_email'] = 'kevko@kevko.sk'
self.dw = get_DockerWorker(self.fake_data_common_opts['params'])
self.assertEqual(self.dw.params['api_version'], 'auto')
self.assertEqual(self.dw.params['restart_retries'], 50)
self.assertEqual(self.dw.params['graceful_timeout'], 100)
self.assertEqual(self.dw.params['client_timeout'], 150)
self.assertEqual(self.dw.params['environment'],
{'KOLLA_CONFIG_STRATEGY': 'COPY_ALWAYS'})
self.assertEqual(self.dw.params['auth_email'], 'kevko@kevko.sk')
self.assertEqual(self.dw.params['auth_password'], 'SECRET')
self.assertEqual(self.dw.params['auth_registry'], 'Quay.io/kolla')
self.assertEqual(self.dw.params['auth_username'], 'kevko')
self.assertEqual(self.dw.params['restart_policy'], 'unless-stopped')
class TestContainer(base.BaseTestCase):
def setUp(self):
super(TestContainer, self).setUp()
self.fake_data = copy.deepcopy(FAKE_DATA)
def test_create_container_without_dimensions(self):
self.dw = get_DockerWorker(self.fake_data['params'])
self.dw.dc.create_host_config = mock.MagicMock(
return_value=self.fake_data['params']['host_config'])
self.dw.create_container()
self.assertTrue(self.dw.changed)
def test_create_container_with_dimensions(self):
self.fake_data['params']['dimensions'] = {'blkio_weight': 10}
self.dw = get_DockerWorker(self.fake_data['params'])
self.dw.dc.create_host_config = mock.MagicMock(
return_value=self.fake_data['params']['host_config'])
self.dw.create_container()
inject_env_when_create_container(self.fake_data['params'])
self.assertTrue(self.dw.changed)
self.fake_data['params'].pop('dimensions')
self.fake_data['params']['host_config']['blkio_weight'] = '10'
expected_args = {'command', 'detach', 'environment',
'host_config', 'image', 'labels', 'name', 'tty',
'volumes'}
self.dw.dc.create_container.assert_called_once_with(
**{k: self.fake_data['params'][k] for k in expected_args})
self.dw.dc.create_host_config.assert_called_with(
cap_add=None, network_mode='host', ipc_mode=None,
pid_mode=None, tmpfs=None, volumes_from=None, blkio_weight=10,
security_opt=None, privileged=None)
def test_create_container_wrong_dimensions(self):
self.fake_data['params']['dimensions'] = {'random': 10}
self.dw = get_DockerWorker(self.fake_data['params'])
self.dw.dc.create_host_config = mock.MagicMock(
return_value=self.fake_data['params']['host_config'])
self.dw.create_container()
self.dw.module.exit_json.assert_called_once_with(
failed=True, msg=repr("Unsupported dimensions"),
unsupported_dimensions=set(['random']))
def test_create_container_with_healthcheck(self):
self.fake_data['params']['healthcheck'] = \
{'test': ['CMD-SHELL', '/bin/check.sh']}
self.dw = get_DockerWorker(self.fake_data['params'])
self.dw.dc.create_host_config = mock.MagicMock(
return_value=self.fake_data['params']['host_config'])
self.dw.create_container()
inject_env_when_create_container(self.fake_data['params'])
self.assertTrue(self.dw.changed)
expected_args = {'command', 'detach', 'environment', 'host_config',
'healthcheck', 'image', 'labels', 'name', 'tty',
'volumes'}
self.dw.dc.create_container.assert_called_once_with(
**{k: self.fake_data['params'][k] for k in expected_args})
def test_create_container_with_tmpfs(self):
self.fake_data['params']['tmpfs'] = ['/tmp'] # nosec: B108
self.dw = get_DockerWorker(self.fake_data['params'])
self.dw.dc.create_host_config = mock.MagicMock(
return_value=self.fake_data['params']['host_config'])
self.dw.create_container()
self.assertTrue(self.dw.changed)
self.assertEqual(['/tmp'], # nosec: B108
self.dw.dc.create_host_config.call_args[1]['tmpfs'])
def test_create_container_with_tmpfs_empty_string(self):
self.fake_data['params']['tmpfs'] = ['']
self.dw = get_DockerWorker(self.fake_data['params'])
self.dw.dc.create_host_config = mock.MagicMock(
return_value=self.fake_data['params']['host_config'])
self.dw.create_container()
self.assertTrue(self.dw.changed)
self.assertFalse(self.dw.dc.create_host_config.call_args[1]['tmpfs'])
def test_start_container_without_pull(self):
self.fake_data['params'].update({'auth_username': 'fake_user',
'auth_password': 'fake_psw',
'auth_registry': 'myrepo/myapp',
'auth_email': 'fake_mail@foogle.com'})
self.dw = get_DockerWorker(self.fake_data['params'])
self.dw.dc.images = mock.MagicMock(
return_value=self.fake_data['images'])
self.dw.dc.containers = mock.MagicMock(params={'all': 'True'})
new_container = copy.deepcopy(self.fake_data['containers'])
new_container.append({'Names': '/test_container',
'Status': 'Up 2 seconds'})
self.dw.dc.containers.side_effect = [self.fake_data['containers'],
new_container]
self.dw.check_container_differs = mock.MagicMock(return_value=False)
self.dw.create_container = mock.MagicMock()
self.dw.start_container()
self.assertFalse(self.dw.changed)
self.dw.create_container.assert_called_once_with()
def test_start_container_with_duplicate_name(self):
self.fake_data['params'].update({'name': 'my_container',
'auth_username': 'fake_user',
'auth_password': 'fake_psw',
'auth_registry': 'myrepo/myapp',
'auth_email': 'fake_mail@foogle.com'})
self.dw = get_DockerWorker(self.fake_data['params'])
self.dw.dc.images = mock.MagicMock(
return_value=self.fake_data['images'])
self.dw.dc.containers = mock.MagicMock(params={'all': 'True'})
updated_cont_list = copy.deepcopy(self.fake_data['containers'])
updated_cont_list.pop(0)
self.dw.dc.containers.side_effect = [self.fake_data['containers'],
self.fake_data['containers'],
self.fake_data['containers'],
updated_cont_list,
self.fake_data['containers']
]
self.dw.check_container_differs = mock.MagicMock(return_value=True)
self.dw.dc.remove_container = mock.MagicMock()
self.dw.create_container = mock.MagicMock()
self.dw.start_container()
self.assertTrue(self.dw.changed)
self.dw.dc.remove_container.assert_called_once_with(
container=self.fake_data['params'].get('name'),
force=True)
self.dw.create_container.assert_called_once_with()
def test_start_container(self):
self.fake_data['params'].update({'name': 'my_container',
'auth_username': 'fake_user',
'auth_password': 'fake_psw',
'auth_registry': 'myrepo/myapp',
'auth_email': 'fake_mail@foogle.com'})
self.dw = get_DockerWorker(self.fake_data['params'])
self.dw.dc.images = mock.MagicMock(
return_value=self.fake_data['images'])
self.fake_data['containers'][0].update(
{'Status': 'Exited 2 days ago'})
self.dw.dc.containers = mock.MagicMock(
return_value=self.fake_data['containers'])
self.dw.check_container_differs = mock.MagicMock(return_value=False)
self.dw.start_container()
self.assertTrue(self.dw.changed)
self.dw.dc.start.assert_not_called()
self.dw.systemd.start.assert_called_once()
def test_start_container_no_detach(self):
self.fake_data['params'].update({'name': 'my_container',
'detach': False})
self.dw = get_DockerWorker(self.fake_data['params'])
self.dw.dc.images = mock.MagicMock(
return_value=self.fake_data['images'])
self.dw.dc.containers = mock.MagicMock(side_effect=[
[], self.fake_data['containers'], self.fake_data['containers'],
self.fake_data['containers']])
self.dw.dc.wait = mock.MagicMock(return_value={'StatusCode': 0})
self.dw.dc.logs = mock.MagicMock(
side_effect=['fake stdout', 'fake stderr'])
self.dw.start_container()
self.assertTrue(self.dw.changed)
name = self.fake_data['params'].get('name')
self.dw.dc.wait.assert_called_once_with(name)
self.dw.dc.logs.assert_has_calls([
mock.call(name, stdout=True, stderr=False),
mock.call(name, stdout=False, stderr=True)])
self.dw.systemd.stop.assert_called_once_with()
self.dw.dc.remove_container.assert_called_once_with(
container=name, force=True)
expected = {'rc': 0, 'stdout': 'fake stdout', 'stderr': 'fake stderr'}
self.assertEqual(expected, self.dw.result)
def test_start_container_no_systemd(self):
self.fake_data['params'].update({'name': 'my_container',
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'auth_username': 'fake_user',
'auth_password': 'fake_psw',
'auth_registry': 'myrepo/myapp',
'auth_email': 'fake_mail@foogle.com'})
self.dw = get_DockerWorker(self.fake_data['params'])
self.dw.dc.images = mock.MagicMock(
return_value=self.fake_data['images'])
self.fake_data['containers'][0].update(
{'Status': 'Exited 2 days ago'})
self.dw.dc.containers = mock.MagicMock(
return_value=self.fake_data['containers'])
self.dw.check_container_differs = mock.MagicMock(return_value=False)
self.dw.dc.start = mock.MagicMock()
self.dw.start_container()
self.assertTrue(self.dw.changed)
self.dw.dc.start.assert_called_once_with(
container=self.fake_data['params']['name']
)
self.dw.systemd.start.assert_not_called()
def test_start_container_systemd_start_fail(self):
self.fake_data['params'].update({'name': 'my_container',
'auth_username': 'fake_user',
'auth_password': 'fake_psw',
'auth_registry': 'myrepo/myapp',
'auth_email': 'fake_mail@foogle.com'})
self.dw = get_DockerWorker(self.fake_data['params'])
self.dw.dc.images = mock.MagicMock(
return_value=self.fake_data['images'])
self.fake_data['containers'][0].update(
{'Status': 'Exited 2 days ago'})
self.dw.dc.containers = mock.MagicMock(
return_value=self.fake_data['containers'])
self.dw.check_container_differs = mock.MagicMock(return_value=False)
self.dw.systemd.start = mock.Mock(return_value=False)
self.dw.start_container()
self.assertTrue(self.dw.changed)
self.dw.dc.start.assert_not_called()
self.dw.systemd.start.assert_called_once()
self.dw.module.fail_json.assert_called_once_with(
changed=True, msg='Container timed out',
**self.fake_data['containers'][0])
def test_stop_container(self):
self.dw = get_DockerWorker({'name': 'my_container',
'action': 'stop_container'})
self.dw.dc.containers.return_value = self.fake_data['containers']
self.dw.stop_container()
self.assertTrue(self.dw.changed)
self.dw.dc.containers.assert_called_once_with(all=True)
self.dw.systemd.stop.assert_called_once()
self.dw.dc.stop.assert_not_called()
self.dw.module.fail_json.assert_not_called()
def test_stop_container_no_systemd(self):
self.dw = get_DockerWorker({'name': 'my_container',
'action': 'stop_container',
self.dw.dc.containers.return_value = self.fake_data['containers']
self.dw.systemd.check_unit_file.return_value = False
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self.dw.stop_container()
self.assertTrue(self.dw.changed)
self.dw.dc.containers.assert_called_once_with(all=True)
self.dw.systemd.stop.assert_not_called()
self.dw.dc.stop.assert_called_once_with(
'my_container', timeout=10)
self.dw.module.fail_json.assert_not_called()
def test_stop_container_already_stopped(self):
self.dw = get_DockerWorker({'name': 'exited_container',
'action': 'stop_container'})
self.dw.dc.containers.return_value = self.fake_data['containers']
self.dw.stop_container()
self.assertFalse(self.dw.changed)
self.dw.dc.containers.assert_called_once_with(all=True)
self.dw.module.fail_json.assert_not_called()
self.dw.dc.stop.assert_not_called()
def test_stop_container_not_exists(self):
self.dw = get_DockerWorker({'name': 'fake_container',
'action': 'stop_container'})
self.dw.dc.containers.return_value = self.fake_data['containers']
self.dw.stop_container()
self.assertFalse(self.dw.changed)
self.dw.dc.containers.assert_called_once_with(all=True)
self.dw.dc.stop.assert_not_called()
self.dw.module.fail_json.assert_called_once_with(
msg="No such container: fake_container to stop")
def test_stop_container_not_exists_ignore_missing(self):
self.dw = get_DockerWorker({'name': 'fake_container',
'action': 'stop_container',
'ignore_missing': True})
self.dw.dc.containers.return_value = self.fake_data['containers']
self.dw.stop_container()
self.assertFalse(self.dw.changed)
self.dw.dc.containers.assert_called_once_with(all=True)
self.dw.dc.stop.assert_not_called()
self.dw.module.fail_json.assert_not_called()
def test_stop_and_remove_container(self):
self.dw = get_DockerWorker({'name': 'my_container',
'action': 'stop_and_remove_container'})
self.dw.dc.containers.return_value = self.fake_data['containers']
self.dw.stop_and_remove_container()
self.assertTrue(self.dw.changed)
self.dw.dc.containers.assert_called_with(all=True)
self.dw.systemd.stop.assert_called_once()
self.dw.dc.remove_container.assert_called_once_with(
container='my_container', force=True)
def test_stop_and_remove_container_not_exists(self):
self.dw = get_DockerWorker({'name': 'fake_container',
'action': 'stop_and_remove_container'})
self.dw.dc.containers.return_value = self.fake_data['containers']
self.dw.stop_and_remove_container()
self.assertFalse(self.dw.changed)
self.dw.dc.containers.assert_called_with(all=True)
self.assertFalse(self.dw.systemd.stop.called)
self.assertFalse(self.dw.dc.remove_container.called)
def test_restart_container(self):
self.dw = get_DockerWorker({'name': 'my_container',
'action': 'restart_container'})
self.dw.dc.containers.return_value = self.fake_data['containers']
self.fake_data['container_inspect'].update(
self.fake_data['containers'][0])
self.dw.dc.inspect_container.return_value = (
self.fake_data['container_inspect'])
self.dw.restart_container()
self.assertTrue(self.dw.changed)
self.dw.dc.containers.assert_called_once_with(all=True)
self.dw.systemd.restart.assert_called_once_with()
def test_restart_container_no_systemd(self):
self.dw = get_DockerWorker({'name': 'my_container',
'action': 'stop_container',
self.dw.dc.containers.return_value = self.fake_data['containers']
self.fake_data['container_inspect'].update(
self.fake_data['containers'][0])
self.dw.dc.inspect_container.return_value = (
self.fake_data['container_inspect'])
self.dw.restart_container()
self.assertTrue(self.dw.changed)
self.dw.dc.containers.assert_called_once_with(all=True)
self.dw.dc.stop.assert_called_once_with(
'my_container', timeout=10)
self.dw.dc.start.assert_called_once_with('my_container')
self.dw.module.fail_json.assert_not_called()
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def test_restart_container_not_exists(self):
self.dw = get_DockerWorker({'name': 'fake-container',
'action': 'restart_container'})
self.dw.dc.containers.return_value = self.fake_data['containers']
self.dw.restart_container()
self.assertFalse(self.dw.changed)
self.dw.dc.containers.assert_called_once_with(all=True)
self.dw.module.fail_json.assert_called_once_with(
msg="No such container: fake-container")
def test_restart_container_systemd_timeout(self):
self.dw = get_DockerWorker({'name': 'my_container',
'action': 'restart_container'})
self.dw.dc.containers.return_value = self.fake_data['containers']
self.fake_data['container_inspect'].update(
self.fake_data['containers'][0])
self.dw.dc.inspect_container.return_value = (
self.fake_data['container_inspect'])
self.dw.systemd.restart = mock.Mock(return_value=False)
self.dw.restart_container()
self.assertTrue(self.dw.changed)
self.dw.dc.containers.assert_called_with(all=True)
self.dw.systemd.restart.assert_called_once_with()
self.dw.module.fail_json.assert_called_once_with(
changed=True, msg="Container timed out",
**self.fake_data['containers'][0])
def test_remove_container(self):
self.dw = get_DockerWorker({'name': 'my_container',
'action': 'remove_container'})
self.dw.dc.containers.return_value = self.fake_data['containers']
self.dw.remove_container()
self.assertTrue(self.dw.changed)
self.dw.dc.containers.assert_called_once_with(all=True)
self.dw.dc.remove_container.assert_called_once_with(
container='my_container',
force=True
)
def test_get_container_env(self):
fake_env = dict(KOLLA_BASE_DISTRO='ubuntu')
self.dw = get_DockerWorker({'name': 'my_container',
'action': 'get_container_env'})
self.dw.dc.containers.return_value = self.fake_data['containers']
self.fake_data['container_inspect'].update(
self.fake_data['containers'][0])
self.dw.dc.inspect_container.return_value = (
self.fake_data['container_inspect'])
self.dw.get_container_env()
self.assertFalse(self.dw.changed)
self.dw.dc.containers.assert_called_once_with(all=True)
self.dw.dc.inspect_container.assert_called_once_with('my_container')
self.dw.module.exit_json.assert_called_once_with(**fake_env)
def test_get_container_env_negative(self):
self.dw = get_DockerWorker({'name': 'fake_container',
'action': 'get_container_env'})
self.dw.dc.containers.return_value = self.fake_data['containers']
self.dw.get_container_env()
self.assertFalse(self.dw.changed)
self.dw.module.fail_json.assert_called_once_with(
msg="No such container: fake_container")
def test_get_container_state(self):
State = {'Dead': False,
'ExitCode': 0,
'Pid': 12475,
'StartedAt': '2016-06-07T11:22:37.66876269Z',
'Status': 'running'}
self.fake_data['container_inspect'].update({'State': State})
self.dw = get_DockerWorker({'name': 'my_container',
'action': 'get_container_state'})
self.dw.dc.containers.return_value = self.fake_data['containers']
self.dw.dc.inspect_container.return_value = (
self.fake_data['container_inspect'])
self.dw.get_container_state()
self.assertFalse(self.dw.changed)
self.dw.dc.containers.assert_called_once_with(all=True)
self.dw.dc.inspect_container.assert_called_once_with('my_container')
self.dw.module.exit_json.assert_called_once_with(**State)
def test_get_container_state_negative(self):
self.dw = get_DockerWorker({'name': 'fake_container',
'action': 'get_container_state'})
self.dw.dc.containers.return_value = self.fake_data['containers']
self.dw.get_container_state()
self.assertFalse(self.dw.changed)
self.dw.dc.containers.assert_called_once_with(all=True)
self.dw.module.fail_json.assert_called_once_with(
msg="No such container: fake_container")
def test_recreate_or_restart_container_not_container(self):
self.dw = get_DockerWorker({
'environment': dict(KOLLA_CONFIG_STRATEGY='COPY_ALWAYS')})
self.dw.check_container = mock.Mock(return_value=None)
self.dw.start_container = mock.Mock()
self.dw.recreate_or_restart_container()
self.dw.start_container.assert_called_once_with()
def test_recreate_or_restart_container_container_copy_always(self):
self.dw = get_DockerWorker({
'environment': dict(KOLLA_CONFIG_STRATEGY='COPY_ALWAYS')})
self.dw.check_container = mock.Mock(
return_value=self.fake_data['containers'][0])
self.dw.restart_container = mock.Mock()
self.dw.check_container_differs = mock.Mock(return_value=False)
self.dw.recreate_or_restart_container()
self.dw.restart_container.assert_called_once_with()
def test_recreate_or_restart_container_container_copy_always_differs(self):
self.dw = get_DockerWorker({
'environment': dict(KOLLA_CONFIG_STRATEGY='COPY_ALWAYS')})
self.dw.check_container = mock.Mock(
return_value=self.fake_data['containers'][0])
self.dw.check_image = mock.Mock(
return_value=self.fake_data['images'][0])
self.dw.start_container = mock.Mock()
self.dw.remove_container = mock.Mock()
self.dw.check_container_differs = mock.Mock(return_value=True)
self.dw.recreate_or_restart_container()
self.dw.check_image.assert_called_once_with()
self.dw.remove_container.assert_called_once_with()
self.dw.start_container.assert_called_once_with()
def test_recreate_or_restart_container_container_copy_once(self):
self.dw = get_DockerWorker({
'environment': dict(KOLLA_CONFIG_STRATEGY='COPY_ONCE')})
self.dw.check_container = mock.Mock(
return_value=self.fake_data['containers'][0])
self.dw.check_image = mock.Mock(
return_value=self.fake_data['images'][0])
self.dw.start_container = mock.Mock()
self.dw.remove_container = mock.Mock()
self.dw.recreate_or_restart_container()
self.dw.check_image.assert_called_once_with()
self.dw.remove_container.assert_called_once_with()
self.dw.start_container.assert_called_once_with()
def test_recreate_or_restart_container_pull_before_stop(self):
# Testing fix for https://launchpad.net/bugs/1852572.
self.dw = get_DockerWorker({
'environment': dict(KOLLA_CONFIG_STRATEGY='COPY_ONCE')})
self.dw.check_container = mock.Mock(
return_value=self.fake_data['containers'][0])
self.dw.check_image = mock.Mock(return_value=None)
self.dw.pull_image = mock.Mock()
self.dw.start_container = mock.Mock()
self.dw.remove_container = mock.Mock()
self.dw.recreate_or_restart_container()
self.dw.check_image.assert_called_once_with()
self.dw.pull_image.assert_called_once_with()
self.dw.remove_container.assert_called_once_with()
self.dw.start_container.assert_called_once_with()
class TestImage(base.BaseTestCase):
def setUp(self):
super(TestImage, self).setUp()
self.fake_data = copy.deepcopy(FAKE_DATA)
def test_check_image(self):
self.dw = get_DockerWorker(
{'image': 'myregistrydomain.com:5000/ubuntu:16.04'})
self.dw.dc.images.return_value = self.fake_data['images']
return_data = self.dw.check_image()
self.assertFalse(self.dw.changed)
self.dw.dc.images.assert_called_once_with()
self.assertEqual(self.fake_data['images'][0], return_data)
def test_check_image_before_docker_1_12(self):
self.dw = get_DockerWorker(
{'image': 'myregistrydomain.com:5000/centos:7.0'})
self.fake_data['images'][0]['RepoTags'] = []
self.dw.dc.images.return_value = self.fake_data['images']
return_data = self.dw.check_image()
self.assertFalse(self.dw.changed)
self.dw.dc.images.assert_called_once_with()
self.assertEqual(self.fake_data['images'][1], return_data)
def test_check_image_docker_1_12(self):
self.dw = get_DockerWorker(
{'image': 'myregistrydomain.com:5000/centos:7.0'})
self.fake_data['images'][0]['RepoTags'] = None
self.dw.dc.images.return_value = self.fake_data['images']
return_data = self.dw.check_image()
self.assertFalse(self.dw.changed)
self.dw.dc.images.assert_called_once_with()
self.assertEqual(self.fake_data['images'][1], return_data)
def test_compare_image(self):
self.dw = get_DockerWorker(
{'image': 'myregistrydomain.com:5000/ubuntu:16.04'})
self.dw.dc.images.return_value = self.fake_data['images']
container_info = {'Image': 'sha256:c5f1cf40',
'Config': {'myregistrydomain.com:5000/ubuntu:16.04'}
}
return_data = self.dw.compare_image(container_info)
self.assertFalse(self.dw.changed)
self.dw.dc.images.assert_called_once_with()
self.assertTrue(return_data)
def test_compare_config_unchanged(self):
self.dw = get_DockerWorker(FAKE_DATA['params'])
job = mock.MagicMock()
self.dw.dc.exec_create.return_value = job
self.dw.dc.exec_start.return_value = 'fake output'
self.dw.dc.exec_inspect.return_value = {'ExitCode': 0}
return_data = self.dw.compare_config()
self.dw.dc.exec_create.assert_called_once_with(
FAKE_DATA['params']['name'],
dwm.COMPARE_CONFIG_CMD,
user='root')
self.dw.dc.exec_start.assert_called_once_with(job)
self.dw.dc.exec_inspect.assert_called_once_with(job)
self.assertFalse(return_data)
def test_compare_config_changed(self):
self.dw = get_DockerWorker(FAKE_DATA['params'])
job = mock.MagicMock()
self.dw.dc.exec_create.return_value = job
self.dw.dc.exec_start.return_value = 'fake output'
self.dw.dc.exec_inspect.return_value = {'ExitCode': 1}
return_data = self.dw.compare_config()
self.dw.dc.exec_create.assert_called_once_with(
FAKE_DATA['params']['name'],
dwm.COMPARE_CONFIG_CMD,
user='root')
self.dw.dc.exec_start.assert_called_once_with(job)
self.dw.dc.exec_inspect.assert_called_once_with(job)
self.assertTrue(return_data)
def test_compare_config_changed_container_exited(self):
self.dw = get_DockerWorker(FAKE_DATA['params'])
job = mock.MagicMock()
self.dw.dc.exec_create.return_value = job
self.dw.dc.exec_start.return_value = 'fake output'
self.dw.dc.exec_inspect.return_value = {'ExitCode': 137}
return_data = self.dw.compare_config()
self.dw.dc.exec_create.assert_called_once_with(
FAKE_DATA['params']['name'],
dwm.COMPARE_CONFIG_CMD,
user='root')
self.dw.dc.exec_start.assert_called_once_with(job)
self.dw.dc.exec_inspect.assert_called_once_with(job)
self.assertTrue(return_data)
def test_compare_config_changed_client_failure(self):
self.dw = get_DockerWorker(FAKE_DATA['params'])
job = mock.MagicMock()
self.dw.dc.exec_create.return_value = job
self.dw.dc.exec_start.return_value = 'fake output'
failure_response = mock.MagicMock()
failure_response.status_code = 409 # any client error should do here
self.dw.dc.exec_inspect.side_effect = docker_error.APIError(
message="foo",
response=failure_response,
)
return_data = self.dw.compare_config()
self.dw.dc.exec_create.assert_called_once_with(
FAKE_DATA['params']['name'],
dwm.COMPARE_CONFIG_CMD,
user='root')
self.dw.dc.exec_start.assert_called_once_with(job)
self.dw.dc.exec_inspect.assert_called_once_with(job)
self.assertTrue(return_data)
def test_compare_config_error(self):
self.dw = get_DockerWorker(FAKE_DATA['params'])
job = mock.MagicMock()
self.dw.dc.exec_create.return_value = job
self.dw.dc.exec_start.return_value = 'fake output'
self.dw.dc.exec_inspect.return_value = {'ExitCode': -1}
self.assertRaises(Exception, self.dw.compare_config) # noqa: H202
self.dw.dc.exec_create.assert_called_once_with(
FAKE_DATA['params']['name'],
dwm.COMPARE_CONFIG_CMD,
user='root')
self.dw.dc.exec_start.assert_called_once_with(job)
self.dw.dc.exec_inspect.assert_called_once_with(job)
def test_compare_config_error_server_failure(self):
self.dw = get_DockerWorker(FAKE_DATA['params'])
job = mock.MagicMock()
self.dw.dc.exec_create.return_value = job
self.dw.dc.exec_start.return_value = 'fake output'
failure_response = mock.MagicMock()
failure_response.status_code = 500 # any server error should do here
self.dw.dc.exec_inspect.side_effect = docker_error.APIError(
message="foo",
response=failure_response,
)
self.assertRaises(docker_error.APIError, self.dw.compare_config)
self.dw.dc.exec_create.assert_called_once_with(
FAKE_DATA['params']['name'],
dwm.COMPARE_CONFIG_CMD,
user='root')
self.dw.dc.exec_start.assert_called_once_with(job)
self.dw.dc.exec_inspect.assert_called_once_with(job)
def test_get_image_id_not_exists(self):
self.dw = get_DockerWorker(
{'image': 'myregistrydomain.com:5000/ubuntu:16.04'})
self.dw.dc.images.return_value = []
return_data = self.dw.get_image_id()
self.assertIsNone(return_data)
def test_get_image_id_exists(self):
self.dw = get_DockerWorker(
{'image': 'myregistrydomain.com:5000/ubuntu:16.04'})
self.dw.dc.images.return_value = ['sha256:47c3bdbcf99f0c1a36e4db']
return_data = self.dw.get_image_id()
self.assertEqual('sha256:47c3bdbcf99f0c1a36e4db', return_data)
def test_pull_image_new(self):
self.dw = get_DockerWorker(
{'image': 'myregistrydomain.com:5000/ubuntu:16.04',
'auth_username': 'fake_user',
'auth_password': 'fake_psw',
'auth_registry': 'myrepo/myapp',
'auth_email': 'fake_mail@foogle.com'
})
self.dw.dc.pull.return_value = [
b'{"status":"Pull complete","progressDetail":{},"id":"22f7"}\r\n',
b'{"status":"Digest: sha256:47c3bdbcf99f0c1a36e4db"}\r\n',
b'{"status":"Downloaded newer image for ubuntu:16.04"}\r\n'
]
self.dw.dc.images.side_effect = [
[],
['sha256:47c3bdbcf99f0c1a36e4db']
]
self.dw.pull_image()
self.dw.dc.pull.assert_called_once_with(
repository='myregistrydomain.com:5000/ubuntu',
tag='16.04',