alshabib | 6ca0562 | 2017-01-31 14:08:36 -0800 | [diff] [blame] | 1 | # |
| 2 | # Copyright 2017 the original author or authors. |
| 3 | # |
| 4 | # Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | # you may not use this file except in compliance with the License. |
| 6 | # You may obtain a copy of the License at |
| 7 | # |
| 8 | # http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | # |
| 10 | # Unless required by applicable law or agreed to in writing, software |
| 11 | # distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | # See the License for the specific language governing permissions and |
| 14 | # limitations under the License. |
| 15 | # |
| 16 | import os |
Zack Williams | f97bf09 | 2018-03-22 21:27:28 -0700 | [diff] [blame] | 17 | import sys |
| 18 | from distutils.version import LooseVersion |
alshabib | 6ca0562 | 2017-01-31 14:08:36 -0800 | [diff] [blame] | 19 | |
alshabib | 6ca0562 | 2017-01-31 14:08:36 -0800 | [diff] [blame] | 20 | from structlog import get_logger |
Zack Williams | f97bf09 | 2018-03-22 21:27:28 -0700 | [diff] [blame] | 21 | log = get_logger() |
| 22 | |
| 23 | # handle the python docker v1 to v2 API differences |
| 24 | try: |
| 25 | from docker import __version__ as docker_version |
| 26 | |
| 27 | if LooseVersion(docker_version) < LooseVersion('2.0.0'): |
| 28 | log.error("Unsupported python docker module!" |
| 29 | "Please upgrade to docker 2.x or later") |
| 30 | |
| 31 | # <2.x compatible import |
| 32 | from docker import Client as DockerClient |
| 33 | else: |
| 34 | # >2.x compatible import |
| 35 | from docker import APIClient as DockerClient |
| 36 | |
| 37 | except ImportError: |
| 38 | log.error("Unable to load python docker module!") |
| 39 | sys.exit(1) |
alshabib | 6ca0562 | 2017-01-31 14:08:36 -0800 | [diff] [blame] | 40 | |
| 41 | docker_socket = os.environ.get('DOCKER_SOCK', 'unix://tmp/docker.sock') |
alshabib | 6ca0562 | 2017-01-31 14:08:36 -0800 | [diff] [blame] | 42 | |
| 43 | |
| 44 | def get_my_containers_name(): |
| 45 | """ |
| 46 | Return the docker containers name in which this process is running. |
| 47 | To look up the container name, we use the container ID extracted from the |
| 48 | $HOSTNAME environment variable (which is set by docker conventions). |
| 49 | :return: String with the docker container name (or None if any issue is |
| 50 | encountered) |
| 51 | """ |
| 52 | my_container_id = os.environ.get('HOSTNAME', None) |
| 53 | |
| 54 | try: |
Zack Williams | f97bf09 | 2018-03-22 21:27:28 -0700 | [diff] [blame] | 55 | docker_cli = DockerClient(base_url=docker_socket) |
alshabib | 6ca0562 | 2017-01-31 14:08:36 -0800 | [diff] [blame] | 56 | info = docker_cli.inspect_container(my_container_id) |
| 57 | |
Zack Williams | 7eb36d0 | 2019-03-19 07:16:12 -0700 | [diff] [blame^] | 58 | except Exception as e: |
alshabib | 6ca0562 | 2017-01-31 14:08:36 -0800 | [diff] [blame] | 59 | log.exception('failed', my_container_id=my_container_id, e=e) |
| 60 | raise |
| 61 | |
| 62 | name = info['Name'].lstrip('/') |
| 63 | |
Zack Williams | f97bf09 | 2018-03-22 21:27:28 -0700 | [diff] [blame] | 64 | return name |