cleanup vfs directory

docker-volume-cleanup.py

#!/usr/bin/env python

import json
import os
import shutil
import subprocess
import re

dockerdir = '/var/lib/docker'
volumesdir = os.path.join(dockerdir, 'volumes')
vfsdir = os.path.join(dockerdir, 'vfs', 'dir')

containers = dict((line, 1) for line in subprocess.check_output('docker ps -a -q --no-trunc', shell=True).splitlines())

volumes = os.walk(os.path.join(volumesdir, '.')).next()[1]
for volume in volumes:
    if not re.match('[0-9a-f]{64}', volume):
        print volume + ' is not a valid volume identifier, skipping...'
        continue
    volume_metadata = json.load(open(os.path.join(volumesdir, volume, 'json')))
    container_id = volume_metadata['id']
    if container_id in containers:
        print 'Container ' + container_id[:12] + ' does still exist, not clearing up volume ' + volume
        continue
    print 'Deleting volume ' + volume + ' (container: ' + container_id[:12] + ')'

    vfspath = os.path.join(vfsdir, volume)
    print 'Vfspath: ' + vfspath
    shutil.rmtree(vfspath)

    volumepath = os.path.join(volumesdir, volume)
    print 'Volumepath: ' + volumepath
    shutil.rmtree(volumepath)

COMPLETELY BROKEN. DO NOT USE.

I've pushed docker-volume-cleanup command to https://github.com/nabeken/docker-volume-cleanup