[Openais] [RFC] new corosync init

[Steven Dake]

ya logic sounds good

can you do the init.in parts and post a patch that removes the other
init scripts?

Regards
-steve

On Tue, 2009-11-24 at 13:31 +0100, Fabio M. Di Nitto wrote:
> Hi guys,
> 
> this is a slightly revamped init script and it merges both init/generic
> and init/redhat.
> 
> It is LSB compliant, with full chkconfig and LSB headers and return codes.
> 
> This isn´t the final init, but it´s a quick drop-in replacement for testing.
> 
> In order to be plugged in into corosync, it needs to be become an
> init.in and replace a bunch of hard coded paths with proper substitute
> from configure invocation (easy stuff anyway).
> 
> The script works fine in Fedora and should work as well in Debian/Ubuntu
> environments.
> 
> None of the commands executed in there use anything distro specific and
> in theory it could also replace the montavista init script (that uses
> specific Debian based tools  such as start-stop-daemon).
> 
> Fabio
> 
> plain text document attachment (corosync.init)
> #!/bin/bash
> 
> # Authors:
> #  Andrew Beekhof <abeekhof at redhat.com>
> #  Fabio M. Di Nitto <fdinitto at redhat.com>
> #
> # License: Revised BSD
> 
> # chkconfig: 2345 20 20
> # description: Corosync Cluster Engine
> # processname: corosync
> #
> ### BEGIN INIT INFO
> # Provides:		corosync
> # Required-Start:	$network
> # Should-Start:		$syslog
> # Required-Stop:	$network
> # Default-Start:	2 3 4 5
> # Default-Stop:		0 1 6
> # Short-Description:	Starts and stops Corosync Cluster Engine.
> # Description:		Starts and stops Corosync Cluster Engine.
> ### END INIT INFO
> 
> desc="Corosync Cluster Engine"
> prog="corosync"
> 
> # set secure PATH
> PATH="/sbin:/bin:/usr/sbin:/usr/bin:@SBINDIR@"
> 
> success()
> {
> 	echo -ne "[  OK  ]\r"
> }
> 
> failure()
> {
> 	echo -ne "[FAILED]\r"
> }
> 
> status()
> {
> 	pid=$(pidof $1 2>/dev/null)
> 	rtrn=$?
> 	if [ $rtrn -ne 0 ]; then
> 		echo "$1 is stopped"
> 	else
> 		echo "$1 (pid $pid) is running..."
> 	fi
> 	return $rtrn
> }
> 
> # rpm based distros
> if [ -d /etc/sysconfig ]; then
> 	[ -f /etc/rc.d/init.d/functions ] && . /etc/rc.d/init.d/functions
> 	[ -f /etc/sysconfig/$prog ] && . /etc/sysconfig/$prog
> 	[ -z "$LOCK_FILE" ] && LOCK_FILE="/var/lock/subsys/$prog"
> fi
> 
> # deb based distros
> if [ -d /etc/default ]; then
> 	[ -f /etc/default/$prog ] && . /etc/default/$prog
> 	[ -z "$LOCK_FILE" ] && LOCK_FILE="/var/lock/$prog"
> fi
> 
> start()
> {
> 	echo -n "Starting $desc ($prog): "
> 
> 	# most recent distributions use tmpfs for /var/run
> 	# to avoid to clean it up on every boot.
> 	# they also assume that init scripts will create
> 	# required subdirectories for proper operations
> 	mkdir -p /var/run
> 
> 	if status $prog > /dev/null 2>&1; then
> 		success
> 	else
> 		$prog > /dev/null 2>&1
> 
> 		# give it time to fail
> 		sleep 2
> 		if status $prog > /dev/null 2>&1; then
> 			touch $LOCK_FILE
> 			pidof $prog > /var/run/$prog.pid
> 			success
> 		else
> 			failure
> 			rtrn=1
> 		fi
> 	fi
> 	echo
> }
> 
> stop()
> {
> 	echo -n "Signaling $desc ($prog) to terminate: "
> 	killall -TERM $prog > /dev/null 2>&1
> 	success
> 	echo
> 
> 	echo -n "Waiting for $prog services to unload:"
> 	while status $prog > /dev/null 2>&1; do
> 		sleep 1
> 		echo -n "."
> 	done
> 
> 	rm -f $LOCK_FILE
> 	rm -f /var/run/$prog.pid
> 	success
> 	echo
> }
> 
> restart()
> {
> 	stop
> 	start
> }
> 
> rtrn=0
> 
> case "$1" in
> start)
> 	start
> ;;
> restart|reload|force-reload)
> 	restart
> ;;
> condrestart|try-restart)
> 	if status $prog > /dev/null 2>&1; then
> 		restart
> 	fi
> ;;
> status)
> 	status $prog
> 	rtrn=$?
> ;;
> stop)
> 	stop
> ;;
> *)
> 	echo "usage: $0 {start|stop|restart|reload|force-reload|condrestart|try-restart|status}"
> 	rtrn=2
> ;;
> esac
> 
> exit $rtrn
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