Caddy init.d script for CentOS 6 (Unprivileged User Edition)

caddy

#!/bin/sh
### BEGIN INIT INFO
# Provides:          caddy
# Required-Start:    $local_fs $network $named $time $syslog
# Required-Stop:     $local_fs $network $named $time $syslog
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: starts the caddy web server
# Description:       starts caddy using start-stop-daemon
### END INIT INFO

# Original Author: Frédéric Galusik (fredg)
# Maintainer: Daniel van Dorp (djvdorp)
# Modified by: Mono Bilişim (monobilisim)
## yum install -y daemonize
# Modified To Run From Unprivileged User: by @coocheenin

DESC="the caddy web server"
NAME=caddy
DAEMON=/usr/local/bin/caddy

DAEMONUSER=www-data
PIDFILE=/var/run/$NAME.pid
LOCKFILE=/var/lock/subsys/$NAME
LOGDIR=/var/log/caddy
LOGFILE=$LOGDIR/$NAME.log
CONFIGFILE=/etc/caddy/Caddyfile
DAEMONOPTS="-agree=true -conf=$CONFIGFILE -log=$LOGFILE"
CMD="${DAEMON} ${DAEMONOPTS}"

USERBIND="setcap cap_net_bind_service=+ep"

test -x $DAEMON || exit 0

# Set the CADDYPATH; Let's Encrypt certificates will be written to this directory.
export CADDYPATH=/etc/caddy/ssl

# Set the ulimits
ulimit -n 8192

start() {
        $USERBIND $DAEMON
        daemonize -u $DAEMONUSER -p $PIDFILE -l $LOCKFILE -o $LOGDIR/stdout -e $LOGDIR/stderr $CMD
}

stop() {
        kill -15 $(cat "$PIDFILE")
        rm -f $PIDFILE $LOCKFILE
}

status() {
    if [ -f $PIDFILE ]; then
        if kill -0 $(cat "$PIDFILE"); then
            echo "$NAME is running"
        else
            echo "$NAME process is dead, but pidfile exists"
        fi
    else
        echo "$NAME is not running"
    fi
}

case "$1" in
    start)
        echo "Starting $NAME"
        start
    ;;
    stop)
        echo "Stopping $NAME"
        stop
    ;;
    status)
        status
    ;;
    *)
        echo "Usage: $0 {start|stop|status}"
        exit 2
    ;;
esac

exit 0