kolla/tests/test_kolla_docker.py
MD NADEEM 0e459bb6d3 Added unit test for start container
This patch check two senario
first if  we choose to start a new container
with name say XXX, however in the env a container
already exist with XXX name and second to start a stopped container.

Change-Id: Ibd6c5fbcc6f37ea2481634ac2e6b3edb91ae7aab
Partially-Implements: blueprint ansible-unit-tests
2016-06-16 21:20:38 +05:30

242 lines
10 KiB
Python

#!/usr/bin/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
try:
from unittest import mock
except ImportError:
import mock
from oslotest import base
this_dir = os.path.dirname(sys.modules[__name__].__file__)
sys.modules['ansible'] = mock.MagicMock()
sys.modules['ansible.module_utils'] = mock.MagicMock()
sys.modules['ansible.module_utils.basic'] = mock.MagicMock()
kolla_docker_file = os.path.join(this_dir, '..', 'ansible',
'library', 'kolla_docker.py')
kd = imp.load_source('kolla_docker', kolla_docker_file)
class ModuleArgsTest(base.BaseTestCase):
def setUp(self):
super(ModuleArgsTest, self).setUp()
def test_module_args(self):
argument_spec = dict(
common_options=dict(required=False, type='dict', default=dict()),
action=dict(
requried=True, type='str', choices=['compare_image',
'create_volume',
'get_container_env',
'get_container_state',
'pull_image',
'remove_container',
'remove_volume',
'restart_container',
'start_container',
'stop_container']),
api_version=dict(required=False, type='str', default='auto'),
auth_email=dict(required=False, type='str'),
auth_password=dict(required=False, type='str'),
auth_registry=dict(required=False, type='str'),
auth_username=dict(required=False, type='str'),
detach=dict(required=False, type='bool', default=True),
labels=dict(required=False, type='dict', default=dict()),
name=dict(required=False, type='str'),
environment=dict(required=False, type='dict'),
image=dict(required=False, type='str'),
ipc_mode=dict(required=False, type='str', choices=['host']),
cap_add=dict(required=False, type='list', default=list()),
security_opt=dict(required=False, type='list', default=list()),
pid_mode=dict(required=False, type='str', choices=['host']),
privileged=dict(required=False, type='bool', default=False),
remove_on_exit=dict(required=False, type='bool', default=True),
restart_policy=dict(
required=False, type='str', choices=['no',
'never',
'on-failure',
'always']),
restart_retries=dict(required=False, type='int', default=10),
tls_verify=dict(required=False, type='bool', default=False),
tls_cert=dict(required=False, type='str'),
tls_key=dict(required=False, type='str'),
tls_cacert=dict(required=False, type='str'),
volumes=dict(required=False, type='list'),
volumes_from=dict(required=False, type='list')
)
required_together = [
['tls_cert', 'tls_key']
]
kd.AnsibleModule = mock.MagicMock()
kd.generate_module()
kd.AnsibleModule.assert_called_with(
argument_spec=argument_spec,
required_together=required_together,
bypass_checks=True
)
FAKE_DATA = {
'params': {
'detach': True,
'environment': {},
'host_config': {
'network_mode': 'host',
'ipc_mode': '',
'cap_add': None,
'security_opt': None,
'pid_mode': '',
'privileged': False,
'volumes_from': None,
'restart_policy': 'always',
'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',
'volumes': None,
'tty': True
},
'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'}
],
}
@mock.patch("docker.Client")
def get_DockerWorker(mod_param, mock_dclient):
module = mock.MagicMock()
module.params = mod_param
dw = kd.DockerWorker(module)
return dw
class TestContainer(base.BaseTestCase):
def setUp(self):
super(TestContainer, self).setUp()
self.fake_data = copy.deepcopy(FAKE_DATA)
def test_create_container(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)
self.dw.dc.create_container.assert_called_once_with(
**self.fake_data['params'])
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'],
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.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"].get('name'))