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utils.py
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68 lines (58 loc) · 1.8 KB
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import contextlib
import six
import docker
from docker import client
from docker import errors
from docker import tls
from docker.utils import utils
@contextlib.contextmanager
def docker_client():
client_kwargs = dict()
try:
yield DockerHTTPClient(
'unix:///var/run/docker.sock',
'1.12',
60,
**client_kwargs
)
except errors.APIError as e:
raise
class DockerHTTPClient(client.Client):
def __init__(self, url,
ver,
timeout,
ca_cert=None,
client_key=None,
client_cert=None):
ssl_config = False
super(DockerHTTPClient, self).__init__(
base_url=url,
version=ver,
timeout=timeout,
tls=ssl_config
)
def list_instances(self, inspect=False):
"""List all containers."""
res = []
for container in self.containers(all=True):
info = self.inspect_container(container['Id'])
if not info:
continue
if inspect:
res.append(info)
else:
res.append(info['Config'].get('Hostname'))
return res
def pause(self, container):
"""Pause a running container."""
if isinstance(container, objects.Container):
container = container.container_id
super(DockerHTTPClient, self).pause(container)
def unpause(self, container):
"""Unpause a paused container."""
if isinstance(container, objects.Container):
container = container.container_id
super(DockerHTTPClient, self).unpause(container)
def get_container_logs(self, docker_id):
"""Fetch the logs of a container."""
return self.logs(docker_id)