- Fix for failing to start cassandra.

[packages/cassandra-bin.git] / cassandra.init

#!/bin/sh
#
# cassandra 	Cassandra 
#
# chkconfig:	345 84 25
#
# description:	Cassandra database node
#
# processname:  cassandra

# Source function library
. /etc/rc.d/init.d/functions

# Get network config
. /etc/sysconfig/network


# Get service config - may override defaults
# [ -f /etc/sysconfig/cassandra ] && . /etc/sysconfig/cassandra

# Check that networking is up.
if is_yes "${NETWORKING}"; then
	if [ ! -f /var/lock/subsys/network -a "$1" != stop -a "$1" != status ]; then
		msg_network_down cassandra
		exit 1
	fi
else
	exit 0
fi

test -x /usr/sbin/cassandra  || exit 0

start() {
	# Check if the service is already running?
	if [ ! -f /var/lock/subsys/cassandra ]; then
		msg_starting cassandra
		daemon --user cassandra /usr/sbin/cassandra  -p /var/run/cassandra/cassandra.pid  
		RETVAL=$?
		[ $RETVAL -eq 0 ] && touch /var/lock/subsys/cassandra
	else
		msg_already_running cassandra
	fi
}


stop() {
	if [ -f /var/lock/subsys/cassandra ]; then
		# Stop daemons.
		msg_stopping cassandra
		# TODO: Fix it to work it properly with default PLD starting script scheme
		# I do not know how to make 
		pid=$(cat /var/run/cassandra/cassandra.pid)
		## echo "DEBUG: Using pid=$pid."
		kill -TERM  $pid  
		# 0 - call succeed
                RETVAL=$?
		if [ $RETVAL -eq 0 ]; then # Success, giving some time for cassandra to flush.
		    checkpid $pid && sleep 1
		    checkpid $pid && sleep 3
		    checkpid $pid && sleep 5
		    if checkpid $pid;  then
			fail
			log_failed "cassandra shutdown (timeout after -TERM)"
		    else
			ok
			log_success "cassandra shutdown"
		    fi
		    rm -f /var/lock/subsys/cassandra
		else
		# rm /var/lock/subsys/cassandra
                     fail
                     log_failed "cassandra shutdown (signalling error)"
		     rm /var/lock/subsys/cassandra
		fi
		## echo "DEBUG: kill retval: $RETVAL"
	else
		msg_not_running cassandra
	fi
}

condrestart() {
	if [ -f /var/lock/subsys/cassandra ]; then
		stop
		start
	else
		msg_not_running cassandra
		RETVAL=$1
	fi
}

RETVAL=0
# See how we were called.
case "$1" in
  start)
	start
	;;
  stop)
	stop
	;;
  restart)
	stop
	start
	;;
  try-restart)
	condrestart 0
	;;
  force-reload)
	condrestart 7
	;;
  status) 
	# Does not work with /usr/sbin/cassandra for some reason
	status cassandra
	;;
  *)
	# msg_usage "$0 {start|stop|restart|try-restart|force-reload|status}"
	msg_usage "$0 {start|stop|restart|try-restart|force-reload}"
	exit 3
esac

exit $RETVAL