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|
#!/bin/bash
# Authors:
# Eric Renfro <erenfro@gmail.com>
desc="Corosync Cluster Engine"
prog="corosync"
# set secure PATH
PATH="/sbin:/bin:/usr/sbin:/usr/bin:/usr/sbin"
status()
{
pid=$(pidof $prog 2>/dev/null)
return $?
}
if [ -d /etc/default ]; then
[ -f /etc/default/$prog ] && . /etc/default/$prog
[ -z "$LOCK_FILE" ] && LOCK_FILE="/var/lock/$prog"
fi
cluster_disabled_at_boot()
{
if grep -q nocluster /proc/cmdline && \
[ "$(tty)" = "/dev/console" ]; then
return 1
fi
return 0
}
wait_for_ipc()
{
local try=0
while [ "$try" -le "20" ]; do
if corosync-cfgtool -s > /dev/null 2>&1; then
return 0
fi
sleep 0.5
let try++
done
return 1
}
start()
{
echo -n "Starting $desc ($prog): "
! cluster_disabled_at_boot && return
# 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
rtrn=0
else
$prog > /dev/null 2>&1
if ! wait_for_ipc; then
echo "FAILED"
rtrn=1
fi
touch $LOCK_FILE
rtrn=0
fi
echo "OK"
}
stop()
{
! status $prog > /dev/null 2>&1 && return
echo -n "Signaling $desc ($prog) to terminate: "
kill -TERM $(pidof $prog) > /dev/null 2>&1
echo "OK"
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
echo " OK"
rtrn=0
}
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
|
