slackbuilds_ponce/network/etherpad-lite/rc.etherpad-lite
Luke Williams f5ff7ccd07 network/etherpad-lite: Added (real-time collaborative editor).
Signed-off-by: Matteo Bernardini <ponce@slackbuilds.org>
2012-12-21 21:34:41 +01:00

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#!/bin/sh
# rc.etherpad-lite
# Initscript that manages an instance of etherpad-Lite running on Slackware Linux.
#
# Author: Luke Williams ( xocel@iquidus.org )
# License: WTFPL <http://sam.zoy.org/wtfpl/COPYING>
USER="etherpad"
HOMEDIR="/var/etherpad-lite"
LOGDIR="/var/log/etherpad-lite"
PIDFILE="/var/run/etherpad-lite.pid"
etherpad_start() {
echo "Starting Etherpad lite..."
# Launch etherpads run.sh script
/bin/su -l -c "$HOMEDIR/bin/run.sh -s /etc/etherpad-lite/settings.json >> $LOGDIR/etherpad.log 2>> $LOGDIR/error.log &" $USER
# Determine and store PID. In order for this to work sucessfully
# the node.js server needs to have finished launching, normally
# waiting 5 seconds is enough but in some situations (first launch
# after install for example) it can take a while longer.
PID='' # Process ID
COUNT=0 # Count attempts at determining the Process ID
TIMEOUT=9 # Number of failed attempts before exiting, default:9 (9x5=45seconds)
while [ -z "$PID" ]; do
# We don't want anyones boot process hanging here if this
# script is started on boot and etherpad is unable to lanuch.
# So exit out if etherpad appears to be failing to start.
if [ $COUNT -eq $TIMEOUT ]; then
echo "Unable to start Etherpad lite.."
cat $LOGDIR/etherpad.log | tail -n 5
rm -f "$PIDFILE"
exit 1
fi
# Wait for node.js server to start up
sleep 5
# Store the PID
ps ax | grep [s]erver.js | awk '{print $1}' > "$PIDFILE"
# Check PID was written
PID=`cat $PIDFILE 2>/dev/null`
COUNT=$(($COUNT+1))
done
echo "Running."
}
etherpad_stop() {
echo "Stopping Etherpad lite..."
PID=`cat $PIDFILE 2>/dev/null`
if [ -z "$PID" ]; then
echo " not running."
elif kill -15 $PID; then
echo " stopped."
rm -f "$PIDFILE"
else
sleep 1
if kill -9 $PID; then
echo " killed."
rm -f "$PIDFILE"
else
echo " error!"
exit 1
fi
fi
}
etherpad_status() {
PID=`cat $PIDFILE 2>/dev/null`
if [ -z "$PID" ]; then
echo "Not running."
exit 1
elif kill -0 $PID; then
echo "Running."
exit 0
else
echo "PID file $PIDFILE present but PID $PID is not running."
exit 1
fi
}
case "$1" in
start)
etherpad_start
;;
stop)
etherpad_stop
;;
restart)
etherpad_stop
sleep 3
etherpad_start
;;
status)
etherpad_status
;;
*)
echo "Usage $0 (start|stop|restart|status)"
esac