#!/bin/sh
#
#       /etc/rc.d/init.d/docker-registry
#
#       Registry server for Docker
#       
# chkconfig:   2345 93 93
# description: Registry server for Docker

### BEGIN INIT INFO
# Provides:       docker-registry
# Required-Start: $network
# Required-Stop:
# Should-Start:
# Should-Stop:
# Default-Start: 2 3 4 5
# Default-Stop:  0 1 6
# Short-Description: start and stop Docker registry
# Description: Registry server for Docker
### END INIT INFO

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

exec="/usr/bin/python"
prog="docker-registry"
pidfile="/var/run/$prog.pid"
lockfile="/var/lock/subsys/$prog"
logfile="/var/log/$prog"

[ -e /etc/sysconfig/$prog ] && . /etc/sysconfig/$prog

export DOCKER_REGISTRY_CONFIG=${DOCKER_REGISTRY_CONFIG:-"/etc/docker-registry.yml"}
export SETTINGS_FLAVOR=${SETTINGS_FLAVOR:-"dev"}

start() {
    [ -x $exec ] || exit 5

    if ! [ -f $pidfile ]; then
        cd #WORKDIR#
        printf "Starting $prog:\t"
        $exec /usr/bin/gunicorn --access-logfile - --debug --max-requests 100 --graceful-timeout 3600 -t 3600 -k gevent -b ${REGISTRY_ADDRESS}:${REGISTRY_PORT} -w $GUNICORN_WORKERS wsgi:application &>> $logfile &
        pid=$!
        echo $pid > $pidfile
        touch $lockfile
        success
        echo
    else
        failure
        echo
        printf "$pidfile still exists...\n"
        exit 7
    fi
}

stop() {
    echo -n $"Stopping $prog: "
    killproc -p $pidfile $prog
    retval=$?
    echo
    [ $retval -eq 0 ] && rm -f $lockfile
    return $retval
}

restart() {
    stop
    start
}

reload() {
    restart
}

force_reload() {
    restart
}

rh_status() {
    status -p $pidfile $prog
}

rh_status_q() {
    rh_status >/dev/null 2>&1
}

case "$1" in
    start)
        rh_status_q && exit 0
        $1
        ;;
    stop)
        rh_status_q || exit 0
        $1
        ;;
    restart)
        $1
        ;;
    reload)
        rh_status_q || exit 7
        $1
        ;;
    force-reload)
        force_reload
        ;;
    status)
        rh_status
        ;;
    condrestart|try-restart)
        rh_status_q || exit 0
        restart
        ;;
    *)
        echo $"Usage: $0 {start|stop|status|restart|condrestart|try-restart|reload|force-reload}"
        exit 2
esac

exit $?