Docker registry start|stop|restart script

docker-registry-script

#! /bin/bash
### BEGIN INIT INFO
# Provides:          docker-registry
# Required-Start:    $all
# Required-Stop:     $all
# Default-Start:
# Default-Stop:      0 1 6
# Short-Description: Starts docker-registry
# chkconfig: - 80 15
# Description: Docker-registry
### END INIT INFO

# Source function library.
. /etc/rc.d/init.d/functions

# Pull in sysconfig settings
[ -f /etc/sysconfig/docker-registry ] && . /etc/sysconfig/docker-registry

DOCKER_HOME=/usr

DAEMON=${DOCKER_HOME}/bin/docker
NAME=docker-registry
PID_FILE="/var/run/docker-registry/docker-registry.pid"
DAEMON_START_OPTS="-v ${REGISTRY_STORAGE_VOLUME} --name ${REGISTRY_CONTAINER_LABEL} ${REGISTRY_CONTAINER_NAME}"

start() {
    echo -n $"Starting ${NAME}: "
    echo "${DAEMON} run -d -p ${RANGE_PORTS} --restart=always ${DAEMON_START_OPTS}" > /tmp/output
    daemon --pidfile=${PID_FILE} --user root ${DAEMON} run -d -p ${RANGE_PORTS} --restart=always ${DAEMON_START_OPTS}
    ${DAEMON} inspect ${REGISTRY_CONTAINER_LABEL} | grep -i "\"Pid\":" | awk '{ print $2 }' | sed -e 's/\,//' > ${PID_FILE}
    RETVAL=$?
    return $RETVAL
}

stop() {
    echo -n $"Stopping ${NAME}: "
    ${DAEMON} rm -f ${REGISTRY_CONTAINER_LABEL}
    rm -f ${PID_FILE}
    RETVAL=$?
    return $RETVAL
}

case "$1" in
    start)
        start
        ;;
    stop)
        stop
        ;;
    status)
        status -p ${PID_FILE}
        RETVAL=$?
        ;;
    restart|force-reload)
        stop
        start
        ;;
    *)
        N=/etc/init.d/${NAME}
        echo "Usage: $N {start|stop|restart|force-reload}" >&2
        RETVAL=2
        ;;
esac

exit $RETVAL