etc-init.d-Jamulus

#!/bin/bash -e
### BEGIN INIT INFO
# Provides:          Jamulus
# Required-Start:    $local_fs $remote_fs $network $syslog
# Required-Stop:     $local_fs $remote_fs $network $syslog
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# X-Interactive:     true
# Short-Description: Start/stop Jamulus server
### END INIT INFO
#
# Jamulus			This init.d script is used to start Jamulus.

JAMULUS=Jamulus
JAMULUS_ROOT=/opt/$JAMULUS
JAMULUS_BINDIR=$JAMULUS_ROOT/bin
ENV="env -i LANG=C PATH=/usr/bin:/bin:$JAMULUS_BINDIR"

DAEMON=$JAMULUS_BINDIR/$JAMULUS
PIDFILE=$JAMULUS_ROOT/run/${JAMULUS}.pid

# Strongly recommended not to run as root!
JAMULUS_USER=Jamulus
JAMULUS_PROCSCHED=
JAMULUS_IOSCHED=real-time

JAMULUS_FASTUPDATE=true
JAMULUS_PORT=54850
JAMULUS_MAXCHANS=16
JAMULUS_CENTRAL=anygenre1.jamulus.io
JAMULUS_STATUSPAGE=$JAMULUS_ROOT/run/status.html
JAMULUS_LOGFILE=$JAMULUS_ROOT/log/${JAMULUS}.log
JAMULUS_HISTORY=$JAMULUS_ROOT/log/history.jpeg
JAMULUS_SVGHISTORY=$JAMULUS_ROOT/log/history.svg
JAMULUS_ENABLE_RECORDING=true
JAMULUS_RECORDING_DIR=${JAMULUS_ROOT}/run/recording
#JAMULUS_SERVERNAME=$(hostname -f)
JAMULUS_SERVERNAME=jamulus.drealm.info
JAMULUS_SERVERINFO="$JAMULUS_SERVERNAME;London;224"
JAMULUS_WELCOMEMSG="<h3>Welcome to 'http://${JAMULUS_SERVERNAME}/'</h3>"

if [ ${JAMULUS_ENABLE_RECORDING} ]
then
	JAMULUS_WELCOMEMSG="${JAMULUS_WELCOMEMSG}<p><strong>Recording enabled:</strong> CC BY-NC-SA 4.0 applies: no cover versions!</p>"
fi
JAMULUS_WELCOMEMSG="${JAMULUS_WELCOMEMSG%</p>}<br/><small>NOTE: Client 3.4.2 or later required here!</small></p>"

set -e
if [ ! -x "$DAEMON" ] ; then
	echo "Jamulus not installed."
	exit 1
fi

. /lib/lsb/init-functions

test -f /etc/default/rcS && . /etc/default/rcS
test -f /etc/default/Jamulus && . /etc/default/Jamulus

START_OPTS=("--background" "-m")
STOP_OPTS=()
if [ ! -z "$JAMULUS_USER" ] ; then
	START_OPTS+=("-c" "$JAMULUS_USER")
	STOP_OPTS+=("-c" "$JAMULUS_USER")
fi
if [ ! -z "$JAMULUS_PROCSCHED" ] ; then START_OPTS+=("-P" $JAMULUS_PROCSCHED); fi
if [ ! -z "$JAMULUS_IOSCHED" ] ; then START_OPTS+=("-I" $JAMULUS_IOSCHED); fi

JAMULUS_OPTS=("-s" "-n")
if [ ! -z "$JAMULUS_FASTUPDATE" ] && [ $JAMULUS_FASTUPDATE ]; then JAMULUS_OPTS+=("-F"); fi

if [ ! -z "$JAMULUS_PORT" ] ; then JAMULUS_OPTS+=("-p" $JAMULUS_PORT); fi
if [ ! -z "$JAMULUS_MAXCHANS" ] ; then JAMULUS_OPTS+=("-u" $JAMULUS_MAXCHANS); fi
if [ ! -z "$JAMULUS_CENTRAL" ] ; then JAMULUS_OPTS+=("-e" "$JAMULUS_CENTRAL"); fi

if [ ! -z "$JAMULUS_STATUSPAGE" -a -z "$JAMULUS_SERVERNAME" ] ; then
	log_failure_msg "if STATUSPAGE set, SERVERNAME must be set"
	exit 1
fi
if [ ! -z "$JAMULUS_STATUSPAGE" ] ; then JAMULUS_OPTS+=("-m" "$JAMULUS_STATUSPAGE"); fi
if [ ! -z "$JAMULUS_LOGFILE" ] ; then JAMULUS_OPTS+=("-l" "$JAMULUS_LOGFILE"); fi
# if [ ! -z "$JAMULUS_HISTORY" ] ; then JAMULUS_OPTS+=("-y" "$JAMULUS_HISTORY"); fi
if [ ! -z "$JAMULUS_SVGHISTORY" ] ; then JAMULUS_OPTS+=("-y" "$JAMULUS_SVGHISTORY"); fi
if [ ! -z "$JAMULUS_ENABLE_RECORDING" ] && [ $JAMULUS_ENABLE_RECORDING ] && [ ! -z "$JAMULUS_RECORDING_DIR" ]
then
  START_OPTS+=("--umask" "0002")
  JAMULUS_OPTS+=("-L" "-R" "$JAMULUS_RECORDING_DIR")
fi

if [ ! -z "$JAMULUS_SERVERNAME" ] ; then JAMULUS_OPTS+=("-a" "$JAMULUS_SERVERNAME"); fi
if [ ! -z "$JAMULUS_SERVERINFO" ] ; then JAMULUS_OPTS+=("-o" "$JAMULUS_SERVERINFO"); fi
if [ ! -z "$JAMULUS_WELCOMEMSG" ] ; then JAMULUS_OPTS+=("-w" "$JAMULUS_WELCOMEMSG"); fi

case $1 in
	start)
		log_daemon_msg "Starting Jamulus server" "Jamulus"
		if [ ! -z "$JAMULUS_STATUSPAGE" -a -e "$JAMULUS_STATUSPAGE" ] ; then
			cat > "$JAMULUS_STATUSPAGE" << !EOF
$JAMULUS_SERVERNAME Jamulus server is starting.
!EOF
		fi
		log_daemon_msg "start-stop-daemon --quiet --start ${START_OPTS[@]} --pidfile $PIDFILE --startas $DAEMON -- ${JAMULUS_OPTS[@]}"
		start-stop-daemon --quiet --start "${START_OPTS[@]}" --pidfile $PIDFILE --startas $DAEMON -- "${JAMULUS_OPTS[@]}"
	;;
	stop)
		log_daemon_msg "Stopping Jamulus server" "Jamulus"
		log_daemon_msg "--quiet --stop ${STOP_OPTS[@]} --oknodo --pidfile $PIDFILE --exec $DAEMON"
		start-stop-daemon --quiet --stop "${STOP_OPTS[@]}" --oknodo --pidfile $PIDFILE --exec $DAEMON
		rm -f $PIDFILE
		if [ ! -z "$JAMULUS_STATUSPAGE" -a -e "$JAMULUS_STATUSPAGE" ] ; then
			cat > "$JAMULUS_STATUSPAGE" << !EOF
$JAMULUS_SERVERNAME Jamulus server is not running.
!EOF
		fi
	;;
	graceful | reload | force-reload | restart)
		$0 stop && $0 start
	;;
	status)
		if [ -e "$PIDFILE" ] ; then
			if [ -e /proc/$(cat "$PIDFILE") ]; then
				if [ ! -z "$JAMULUS_STATUSPAGE" -a -e "$JAMULUS_STATUSPAGE" ] ; then
					grep -v ul "$JAMULUS_STATUSPAGE" | sed -e 's!</\?li>!!g'
				else
					ps lwwp $(cat $PIDFILE)
				fi
			else
				log_success_msg "$DAEMON is not running."
			fi
		else
			log_success_msg "$DAEMON is not running."
		fi
	;;
	*)
		log_success_msg "Usage: $0 {start|stop|restart|status}"
		exit 1
	;;
esac