heat/contrib/docker_plugin/tests/fake_docker_client.py

84 lines
2.6 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
#
# Copyright (c) 2013 Docker, Inc.
# All Rights Reserved.
#
# 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 random
import string
class APIError(Exception):
pass
class FakeDockerClient(object):
def __init__(self, endpoint=None):
self._endpoint = endpoint
self._containers = {}
def _generate_string(self, n=32):
return ''.join(random.choice(string.lowercase) for i in range(n))
def _check_exists(self, container_id):
if container_id not in self._containers:
raise APIError('404 Client Error: Not Found ("No such container: '
'{0}")'.format(container_id))
def _set_running(self, container_id, running):
self._check_exists(container_id)
self._containers[container_id] = running
def inspect_container(self, container_id):
self._check_exists(container_id)
info = {
'Id': container_id,
'NetworkSettings': {
'Bridge': 'docker0',
'Gateway': '172.17.42.1',
'IPAddress': '172.17.0.3',
'IPPrefixLen': 16,
'Ports': {
'80/tcp': [{'HostIp': '0.0.0.0', 'HostPort': '1080'}]
}
},
'State': {
'Running': self._containers[container_id]
}
}
return info
def logs(self, container_id):
logs = ['---logs_begin---']
for i in range(random.randint(1, 20)):
logs.append(self._generate_string(random.randint(5, 42)))
logs.append('---logs_end---')
return '\n'.join(logs)
def create_container(self, *args, **kwargs):
container_id = self._generate_string()
self._containers[container_id] = None
self._set_running(container_id, False)
return self.inspect_container(container_id)
def start(self, container_id):
self._set_running(container_id, True)
def stop(self, container_id):
self._set_running(container_id, False)
def kill(self, container_id):
self._set_running(container_id, False)