mirror of
https://github.com/Red5d/docker-autocompose
synced 2026-01-03 15:18:01 +00:00
Update script to use new module version, output compose file version 3, and be able to generate a combined file for multiple containers.
This commit is contained in:
Red5d
118
autocompose.py
118
autocompose.py
@@ -1,81 +1,95 @@
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#! /usr/bin/env python
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import pyaml, argparse, sys
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from docker import Client
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import sys, argparse, pyaml, docker
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from collections import OrderedDict
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def main():
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parser = argparse.ArgumentParser(description='Generate docker-compose yaml definition from running container.')
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parser.add_argument('cname', type=str, help='The name of the container to process.')
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parser.add_argument('-v', '--version', type=int, default=3, help='Compose file version (1 or 3)')
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parser.add_argument('cnames', nargs='*', type=str, help='The name of the container to process.')
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args = parser.parse_args()
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generate(args)
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struct = {}
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for cname in args.cnames:
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struct.update(generate(cname))
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render(struct, args)
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def generate(args):
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c = Client(base_url='unix://var/run/docker.sock')
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def render(struct, args):
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# Render yaml file
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if args.version == 1:
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pyaml.p(OrderedDict(struct))
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else:
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pyaml.p(OrderedDict({'version': '"3"', 'services': struct}))
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def generate(cname):
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c = docker.from_env()
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try:
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cid = [x['Id'] for x in c.containers() if args.cname in x['Names'][0]][0]
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cid = [x.short_id for x in c.containers.list() if cname == x.name or x.short_id in cname][0]
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except IndexError:
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print("That container is not running.")
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sys.exit(1)
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cinspect = c.inspect_container(cid)
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cattrs = c.containers.get(cid).attrs
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# Build yaml dict structure
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cfile = {}
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cfile[args.cname] = {}
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ct = cfile[args.cname]
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cfile[cattrs['Name'][1:]] = {}
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ct = cfile[cattrs['Name'][1:]]
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values = {
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'cap_add': cinspect['HostConfig']['CapAdd'],
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'cap_drop': cinspect['HostConfig']['CapDrop'],
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'cgroup_parent': cinspect['HostConfig']['CgroupParent'],
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'container_name': args.cname,
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'devices': cinspect['HostConfig']['Devices'],
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'dns': cinspect['HostConfig']['Dns'],
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'dns_search': cinspect['HostConfig']['DnsSearch'],
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'environment': cinspect['Config']['Env'],
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'extra_hosts': cinspect['HostConfig']['ExtraHosts'],
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'image': cinspect['Config']['Image'],
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'labels': cinspect['Config']['Labels'],
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'links': cinspect['HostConfig']['Links'],
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'log_driver': cinspect['HostConfig']['LogConfig']['Type'],
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'log_opt': cinspect['HostConfig']['LogConfig']['Config'],
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'net': cinspect['HostConfig']['NetworkMode'],
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'security_opt': cinspect['HostConfig']['SecurityOpt'],
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'ulimits': cinspect['HostConfig']['Ulimits'],
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'volumes': cinspect['HostConfig']['Binds'],
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'volume_driver': cinspect['HostConfig']['VolumeDriver'],
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'volumes_from': cinspect['HostConfig']['VolumesFrom'],
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'cpu_shares': cinspect['HostConfig']['CpuShares'],
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'cpuset': cinspect['HostConfig']['CpusetCpus']+','+cinspect['HostConfig']['CpusetMems'],
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'entrypoint': cinspect['Config']['Entrypoint'],
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'user': cinspect['Config']['User'],
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'working_dir': cinspect['Config']['WorkingDir'],
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'domainname': cinspect['Config']['Domainname'],
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'hostname': cinspect['Config']['Hostname'],
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'ipc': cinspect['HostConfig']['IpcMode'],
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'mac_address': cinspect['NetworkSettings']['MacAddress'],
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'mem_limit': cinspect['HostConfig']['Memory'],
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'memswap_limit': cinspect['HostConfig']['MemorySwap'],
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'privileged': cinspect['HostConfig']['Privileged'],
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'restart': cinspect['HostConfig']['RestartPolicy']['Name'],
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'read_only': cinspect['HostConfig']['ReadonlyRootfs'],
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'stdin_open': cinspect['Config']['OpenStdin'],
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'tty': cinspect['Config']['Tty']
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'cap_add': cattrs['HostConfig']['CapAdd'],
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'cap_drop': cattrs['HostConfig']['CapDrop'],
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'cgroup_parent': cattrs['HostConfig']['CgroupParent'],
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'container_name': cattrs['Name'][1:],
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'devices': cattrs['HostConfig']['Devices'],
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'dns': cattrs['HostConfig']['Dns'],
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'dns_search': cattrs['HostConfig']['DnsSearch'],
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'environment': cattrs['Config']['Env'],
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'extra_hosts': cattrs['HostConfig']['ExtraHosts'],
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'image': cattrs['Config']['Image'],
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'labels': cattrs['Config']['Labels'],
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'links': cattrs['HostConfig']['Links'],
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#'log_driver': cattrs['HostConfig']['LogConfig']['Type'],
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#'log_opt': cattrs['HostConfig']['LogConfig']['Config'],
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'logging': {'driver': cattrs['HostConfig']['LogConfig']['Type'], 'options': cattrs['HostConfig']['LogConfig']['Config']},
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'net': cattrs['HostConfig']['NetworkMode'],
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'security_opt': cattrs['HostConfig']['SecurityOpt'],
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'ulimits': cattrs['HostConfig']['Ulimits'],
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'volumes': cattrs['HostConfig']['Binds'],
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'volume_driver': cattrs['HostConfig']['VolumeDriver'],
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'volumes_from': cattrs['HostConfig']['VolumesFrom'],
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'cpu_shares': cattrs['HostConfig']['CpuShares'],
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'cpuset': cattrs['HostConfig']['CpusetCpus']+','+cattrs['HostConfig']['CpusetMems'],
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'entrypoint': cattrs['Config']['Entrypoint'],
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'user': cattrs['Config']['User'],
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'working_dir': cattrs['Config']['WorkingDir'],
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'domainname': cattrs['Config']['Domainname'],
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'hostname': cattrs['Config']['Hostname'],
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'ipc': cattrs['HostConfig']['IpcMode'],
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'mac_address': cattrs['NetworkSettings']['MacAddress'],
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'mem_limit': cattrs['HostConfig']['Memory'],
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'memswap_limit': cattrs['HostConfig']['MemorySwap'],
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'privileged': cattrs['HostConfig']['Privileged'],
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'restart': cattrs['HostConfig']['RestartPolicy']['Name'],
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'read_only': cattrs['HostConfig']['ReadonlyRootfs'],
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'stdin_open': cattrs['Config']['OpenStdin'],
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'tty': cattrs['Config']['Tty']
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}
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# Check for command and add it if present.
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if cinspect['Config']['Cmd'] != None:
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values['command'] = " ".join(cinspect['Config']['Cmd']),
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if cattrs['Config']['Cmd'] != None:
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values['command'] = " ".join(cattrs['Config']['Cmd']),
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# Check for exposed/bound ports and add them if needed.
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try:
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expose_value = list(cinspect['Config']['ExposedPorts'].keys())
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ports_value = [cinspect['HostConfig']['PortBindings'][key][0]['HostIp']+':'+cinspect['HostConfig']['PortBindings'][key][0]['HostPort']+':'+key for key in cinspect['HostConfig']['PortBindings']]
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expose_value = list(cattrs['Config']['ExposedPorts'].keys())
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ports_value = [cattrs['HostConfig']['PortBindings'][key][0]['HostIp']+':'+cattrs['HostConfig']['PortBindings'][key][0]['HostPort']+':'+key for key in cattrs['HostConfig']['PortBindings']]
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# If bound ports found, don't use the 'expose' value.
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if (ports_value != None) and (ports_value != "") and (ports_value != []) and (ports_value != 'null') and (ports_value != {}) and (ports_value != "default") and (ports_value != 0) and (ports_value != ",") and (ports_value != "no"):
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@@ -97,8 +111,8 @@ def generate(args):
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if (value != None) and (value != "") and (value != []) and (value != 'null') and (value != {}) and (value != "default") and (value != 0) and (value != ",") and (value != "no"):
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ct[key] = value
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# Render yaml file
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pyaml.p(cfile)
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return cfile
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if __name__ == "__main__":
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main()
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