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Init script checks kernel parameters and refuses to start corosync if nocluster parameter exist on boot time. The init script will continue to work as expected from console/tty after boot. Signed-off-by: Jan Friesse <jfriesse@redhat.com> Reviewed-by: Steven Dake <sdake@redhat.com>
185 lines
3.4 KiB
Bash
Executable File
185 lines
3.4 KiB
Bash
Executable File
#!/bin/bash
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# Authors:
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# Andrew Beekhof <abeekhof@redhat.com>
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# Fabio M. Di Nitto <fdinitto@redhat.com>
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#
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# License: Revised BSD
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# chkconfig: - 20 80
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# description: Corosync Cluster Engine
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# processname: corosync
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#
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### BEGIN INIT INFO
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# Provides: corosync
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# Required-Start: $network $syslog
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# Required-Stop: $network $syslog
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# Default-Start:
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# Default-Stop:
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# Short-Description: Starts and stops Corosync Cluster Engine.
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# Description: Starts and stops Corosync Cluster Engine.
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### END INIT INFO
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desc="Corosync Cluster Engine"
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prog="corosync"
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# set secure PATH
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PATH="/sbin:/bin:/usr/sbin:/usr/bin:@SBINDIR@"
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success()
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{
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echo -ne "[ OK ]\r"
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}
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failure()
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{
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echo -ne "[FAILED]\r"
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}
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status()
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{
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pid=$(pidof $1 2>/dev/null)
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rtrn=$?
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if [ $rtrn -ne 0 ]; then
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echo "$1 is stopped"
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else
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echo "$1 (pid $pid) is running..."
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fi
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return $rtrn
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}
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# rpm based distros
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if [ -d @SYSCONFDIR@/sysconfig ]; then
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[ -f @INITDDIR@/functions ] && . @INITDDIR@/functions
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[ -f @SYSCONFDIR@/sysconfig/$prog ] && . @SYSCONFDIR@/sysconfig/$prog
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[ -z "$LOCK_FILE" ] && LOCK_FILE="@LOCALSTATEDIR@/lock/subsys/$prog"
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fi
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# deb based distros
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if [ -d @SYSCONFDIR@/default ]; then
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[ -f @SYSCONFDIR@/default/$prog ] && . @SYSCONFDIR@/default/$prog
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[ -z "$LOCK_FILE" ] && LOCK_FILE="@LOCALSTATEDIR@/lock/$prog"
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fi
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# The version of __pids_pidof in /etc/init.d/functions calls pidof with -x
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# This means it matches scripts, including this one.
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# Redefine it here so that status (from the same file) works.
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# Otherwise simultaneous calls to stop() will loop forever
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__pids_pidof() {
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pidof -c -o $$ -o $PPID -o %PPID "$1" || \
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pidof -c -o $$ -o $PPID -o %PPID "${1##*/}"
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}
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cluster_disabled_at_boot()
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{
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if grep -q nocluster /proc/cmdline && \
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[ "$(tty)" = "/dev/console" ]; then
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echo -e "not configured to run at boot"
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failure
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return 1
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fi
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return 0
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}
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start()
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{
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echo -n "Starting $desc ($prog): "
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! cluster_disabled_at_boot && return
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# most recent distributions use tmpfs for @LOCALSTATEDIR@/run
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# to avoid to clean it up on every boot.
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# they also assume that init scripts will create
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# required subdirectories for proper operations
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mkdir -p @LOCALSTATEDIR@/run
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if status $prog > /dev/null 2>&1; then
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success
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else
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$prog > /dev/null 2>&1
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# give it time to fail
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sleep 2
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if status $prog > /dev/null 2>&1; then
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touch $LOCK_FILE
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success
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else
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failure
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rtrn=1
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fi
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fi
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echo
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}
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executed_by_cman()
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{
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[ -f @LOCALSTATEDIR@/run/cman.pid ] || return 0
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read cman_pid foo < @LOCALSTATEDIR@/run/cman.pid
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if [ "$(pidof $prog)" == "$cman_pid" ];then
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echo -n "$desc was executed by cman"
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failure
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echo
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return 1
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fi
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return 0
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}
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stop()
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{
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! status $prog > /dev/null 2>&1 && return
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! executed_by_cman && return
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echo -n "Signaling $desc ($prog) to terminate: "
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kill -TERM $(pidof $prog) > /dev/null 2>&1
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success
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echo
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echo -n "Waiting for $prog services to unload:"
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while status $prog > /dev/null 2>&1; do
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sleep 1
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echo -n "."
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done
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rm -f $LOCK_FILE
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success
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echo
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}
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restart()
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{
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stop
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start
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}
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rtrn=0
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case "$1" in
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start)
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start
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;;
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restart|reload|force-reload)
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restart
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;;
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condrestart|try-restart)
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if status $prog > /dev/null 2>&1; then
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restart
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fi
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;;
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status)
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status $prog
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rtrn=$?
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;;
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stop)
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stop
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;;
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*)
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echo "usage: $0 {start|stop|restart|reload|force-reload|condrestart|try-restart|status}"
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rtrn=2
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;;
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esac
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exit $rtrn
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