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moby--moby/contrib/init/sysvinit/docker

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#!/bin/sh
### BEGIN INIT INFO
# Provides: docker
# Required-Start: $syslog $remote_fs
# Required-Stop: $syslog $remote_fs
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: Linux container runtime
# Description: Linux container runtime
### END INIT INFO
DOCKER=/usr/bin/docker
DOCKER_PIDFILE=/var/run/docker.pid
DOCKER_OPTS=
PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin
# Check lxc-docker is present
[ -x $DOCKER ] || (log_failure_msg "docker not present"; exit 1)
# Get lsb functions
. /lib/lsb/init-functions
if [ -f /etc/default/lxc ]; then
. /etc/default/lxc
fi
if [ "$1" = start ] && which initctl >/dev/null && initctl version | grep -q upstart; then
exit 1
fi
check_root_id ()
{
if [ "$(id -u)" != "0" ]; then
log_failure_msg "Docker must be run as root"; exit 1
fi
}
case "$1" in
start)
check_root_id || exit 1
log_begin_msg "Starting Docker"
mount | grep cgroup >/dev/null || mount -t cgroup none /sys/fs/cgroup 2>/dev/null
start-stop-daemon --start --background $NO_CLOSE \
--exec "$DOCKER" \
--pidfile "$DOCKER_PIDFILE" \
-- -d -p "$DOCKER_PIDFILE" \
$DOCKER_OPTS
log_end_msg $?
;;
stop)
check_root_id || exit 1
log_begin_msg "Stopping Docker"
start-stop-daemon --stop \
--pidfile "$DOCKER_PIDFILE"
log_end_msg $?
;;
restart)
check_root_id || exit 1
docker_pid=`cat "$DOCKER_PIDFILE" 2>/dev/null`
[ -n "$docker_pid" ] \
&& ps -p $docker_pid > /dev/null 2>&1 \
&& $0 stop
$0 start
;;
force-reload)
check_root_id || exit 1
$0 restart
;;
status)
status_of_proc -p "$DOCKER_PIDFILE" "$DOCKER" docker
;;
*)
echo "Usage: $0 {start|stop|restart|status}"
exit 1
;;
esac
exit 0