gnatsd init script

gnatsd-init-script.sh

#!/bin/sh
### BEGIN INIT INFO
# Provides:          gnatsd
# Required-Start:    $network $syslog
# Required-Stop:     $network $syslog
# Should-Start:      gnatsd
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: High Performance Golang Server for NATS.
# Description:       Starts a gnatsd server with monitoring port.
### END INIT INFO
PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
DAEMON=/usr/bin/gnatsd
NAME="gnatsd"
DESC="gnatsd"
GNATSD_PORT=4222
GNATSD_MONITORING_PORT=8222
PIDFILE="/var/run/gnatsd/${NAME}.pid"

test -x $DAEMON || exit 0

[ -r /etc/default/$NAME ] && . /etc/default/$NAME

DAEMON_OPTS=" -p $GNATSD_PORT -m $GNATSD_MONITORING_PORT -P $PIDFILE -s"

. /lib/lsb/init-functions

start_gnatsd() {
    start-stop-daemon --start --background --quiet --pidfile $PIDFILE \
        --exec $DAEMON -- $DAEMON_OPTS
}

stop_gnatsd() {
        start-stop-daemon --stop --retry TERM/10/KILL/5 --quiet --oknodo --pidfile $PIDFILE
}

status_gnatsd() {
        status_of_proc -p "${PIDFILE}" "${DAEMON}" "${NAME}"
}

case "$1" in
    start)
        log_begin_msg "Starting $DESC"
        start_gnatsd
        log_end_msg $?
        ;;
    stop)
        log_begin_msg "Stopping $DESC"
        stop_gnatsd
        log_end_msg $?
        ;;
    status)
        status_gnatsd
        ;;
    restart)
        log_begin_msg "Restarting $DESC"
        stop_gnatsd
        start_gnatsd
        log_end_msg $?
        ;;
  *)
        echo "Usage: $0 {start|stop|status|restart}" >&2
        exit 1
        ;;
esac

LGTM