81 lines
2.6 KiB
Python
81 lines
2.6 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Magnum Docker Client."""
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from docker import client
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from docker import tls
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from oslo_config import cfg
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from oslo_log import log as logging
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DEFAULT_DOCKER_REMOTE_API_VERSION = '1.17'
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DEFAULT_DOCKER_TIMEOUT = 10
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LOG = logging.getLogger(__name__)
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CONF = cfg.CONF
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class DockerHTTPClient(client.Client):
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def __init__(self, url='unix://var/run/docker.sock',
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ver=DEFAULT_DOCKER_REMOTE_API_VERSION,
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timeout=DEFAULT_DOCKER_TIMEOUT):
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if (CONF.docker.cert_file or
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CONF.docker.key_file):
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client_cert = (CONF.docker.cert_file, CONF.docker.key_file)
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else:
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client_cert = None
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if (CONF.docker.ca_file or
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CONF.docker.api_insecure or
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client_cert):
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ssl_config = tls.TLSConfig(
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client_cert=client_cert,
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ca_cert=CONF.docker.ca_file,
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verify=CONF.docker.api_insecure)
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else:
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ssl_config = False
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super(DockerHTTPClient, self).__init__(
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base_url=url,
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version=ver,
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timeout=timeout,
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tls=ssl_config
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)
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def list_instances(self, inspect=False):
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res = []
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for container in self.containers(all=True):
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info = self.inspect_container(container['Id'])
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if not info:
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continue
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if inspect:
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res.append(info)
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else:
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res.append(info['Config'].get('Hostname'))
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return res
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def pause(self, container):
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if isinstance(container, dict):
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container = container.get('Id')
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url = self._url('/containers/{0}/pause'.format(container))
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res = self._post(url)
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self._raise_for_status(res)
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def unpause(self, container):
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if isinstance(container, dict):
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container = container.get('Id')
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url = self._url('/containers/{0}/unpause'.format(container))
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res = self._post(url)
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self._raise_for_status(res)
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def get_container_logs(self, docker_id):
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return self.attach(docker_id, 1, 1, 0, 1)
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