#!/usr/bin/env python # 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 argparse import os import shutil import sys import json docker_cmd = '/bin/docker' # Tool to start docker containers as configured via # tripleo-heat-templates. # # This tool reads data from a json file generated from heat when the # TripleO stack is run. All the configuration data used to start the # containerized services is in this file. # # By default this tool lists all the containers that are started and # their start order. # # If you wish to see the command line used to start a given container, # specify it by name using the --container argument. --run can then be # used with this to actually execute docker to run the container.\n # # Other options listed allow you to modify this command line for # debugging purposes. For example: # # docker-toool -c swift-proxy -r -e /bin/bash -u root -i -n test # # will run the swift proxy container as user root, executing /bin/bash, # # named 'test', and will run interactively (eg -ti). def parse_opts(argv): parser = argparse.ArgumentParser("Tool to start docker containers via " "TripleO configurations") parser.add_argument('-f', '--config', help="""File to use as docker startup configuration data.""", default='/var/lib/docker-container-startup-configs.json') parser.add_argument('-r', '--run', action='store_true', help="""Run the container as specified with --container.""", default=False) parser.add_argument('-e', '--command', help="""Override the command used to run the container.""", default='') parser.add_argument('-c', '--container', help="""Specify a container to run or show the command for.""", default='') parser.add_argument('-u', '--user', help="""User to run container as.""", default='') parser.add_argument('-n', '--name', help="""Name of container.""", default='') parser.add_argument('-i', '--interactive', action='store_true', help="""Start docker container interactively (-ti).""", default=False) opts = parser.parse_args(argv[1:]) return opts def docker_arg_map(key, value): value = str(value).encode('ascii', 'ignore') if len(value) == 0: return '' return { 'environment': "--env=%s" % value, # 'image': value, 'net': "--net=%s" % value, 'pid': "--pid=%s" % value, 'privileged': "--privileged=%s" % value.lower(), #'restart': "--restart=%s" % "false", 'user': "--user=%s" % value, 'volumes': "--volume=%s" % value, 'volumes_from': "--volumes-from=%s" % value, }.get(key, None) def run_docker_container(opts, container_name): container_found = False with open(opts.config) as f: json_data = json.load(f) for step in (json_data or []): if step is None: continue for container in (json_data[step] or []): if container == container_name: print('container found: %s' % container) container_found = True # A few positional arguments: command = '' image = '' cmd = [ docker_cmd, 'run', '--name', opts.name or container ] for container_data in (json_data[step][container] or []): if container_data == "environment": for env in (json_data[step][container][container_data] or []): arg = docker_arg_map("environment", env) if arg: cmd.append(arg) elif container_data == "volumes": for volume in (json_data[step][container][container_data] or []): arg = docker_arg_map("volumes", volume) if arg: cmd.append(arg) elif container_data == "volumes_from": for volume in (json_data[step][container][container_data] or []): arg = docker_arg_map("volumes_from", volume) if arg: cmd.append(arg) elif container_data == 'command': command = json_data[step][container][container_data] elif container_data == 'image': image = json_data[step][container][container_data] else: # Only add a restart if we're not interactive if container_data == 'restart': if opts.interactive: continue if container_data == 'user': if opts.user: continue arg = docker_arg_map(container_data, json_data[step][container][container_data]) if arg: cmd.append(arg) if opts.user: cmd.append('--user') cmd.append(opts.user) if opts.interactive: