Script to cleanup Docker leftovers, related to https://github.com/moby/moby/issues/22207

docker-cleanup.sh

#!/bin/bash

echo "WARN: This will remove everything from docker: volumes, containers and images. Will you dare? [y/N] "
read choice

if [ \( "$choice" == "y" \) -o \( "$choice" == "Y" \) ]
then
  sudo echo "> sudo rights [OK]"
  sizea=`sudo du -sh /var/lib/docker/aufs`

  echo "Stopping all running containers"
  containers=`docker ps -a -q`
  if [ -n "$containers" ]
  then
    docker stop $containers
  fi

  echo "Removing all docker images and containers"
  docker system prune -f

  echo "Stopping Docker daemon"
  sudo service docker stop

  echo "Removing all leftovers in /var/lib/docker (bug #22207)"
  sudo rm -rf /var/lib/docker/aufs
  sudo rm -rf /var/lib/docker/image/aufs
  sudo rm -f /var/lib/docker/linkgraph.db

  echo "Starting Docker daemon"
  sudo service docker start

  sizeb=`sudo du -sh /var/lib/docker/aufs`
  echo "Size before full cleanup:"
  echo "        $sizea"
  echo "Size after full cleanup:"
  echo "        $sizeb"
fi

Thank you so much for this excellent script. We are using it now regularily to clean our VMs before installing new docker images. Great help and an almost perfect workaround for the orphaned diffs #22207 issue now. @TP75

You're welcome :)