#!/bin/sh

### BEGIN INIT INFO
# Provides:          docker
# Required-Start:    $local_fs
# Required-Stop:     $local_fs
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: docker
# Description:       docker daemon
### END INIT INFO

DOCKER=/usr/bin/docker
PIDFILE=/var/run/docker.pid

# Check docker is present
[ -x $DOCKER ] || log_success_msg "Docker not present"

# Get lsb functions
. /lib/lsb/init-functions


case "$1" in
  start)
    log_begin_msg "Starting docker..."
    start-stop-daemon --start --background --exec "$DOCKER" -- -d
    log_end_msg $?
    ;;
  stop)
    log_begin_msg "Stopping docker..."
    docker_pid=`pgrep -f "$DOCKER -d"`
    [ -n "$docker_pid" ] && kill $docker_pid
    log_end_msg $?
    ;;
  status)
    docker_pid=`pgrep -f "$DOCKER -d"`
    if [ -z "$docker_pid" ] ; then
      echo "docker not running"
    else
      echo "docker running (pid $docker_pid)"
    fi
    ;;
  *)
    echo "Usage: /etc/init.d/docker {start|stop|status}"
    exit 1
    ;;
esac

exit 0