blob: 09277114fef576fe69cac0e75661259877af2d22 [file] [log] [blame]
#
# Copyright 2016 the original author or authors.
#
# 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.
#
"""
Some docker related convenience functions
"""
import os
from structlog import get_logger
from docker import Client
log = get_logger()
def get_my_containers_name():
"""
Return the docker containers name in which this process is running.
To look up the container name, we use the container ID extracted from the
$HOSTNAME environment variable (which is set by docker conventions).
:return: String with the docker container name (or None if any issue is
encountered)
"""
my_container_id = os.environ.get('HOSTNAME', None)
try:
docker_cli = Client(base_url='unix://tmp/docker.sock')
info = docker_cli.inspect_container(my_container_id)
except Exception, e:
log.exception('failed', my_container_id=my_container_id, e=e)
raise
name = info['Name'].lstrip('/')
return name