#!/bin/bash
#
# oraasm	Starts Oracle ASM
#
# chkconfig: 345 31 18
# description: Oracle Autoamtic Storage Management
#
### BEGIN INIT INFO
# Provides: oraasm
# Required-Start: oracleasm
### END INIT INFO

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

# Source config
if [ -f /etc/sysconfig/oracle ] ; then
	. /etc/sysconfig/oracle
else
	ASM_SID="+ASM"
fi

ORACLE_SID="$ASM_SID"
ORACLE_HOME=$(/usr/local/bin/dbhome $ORACLE_SID)
LOGFILE="/var/log/oracle_asm.log"
export ORACLE_SID ORACLE_HOME LOGFILE ASM_SID

RETVAL=0

# Wrapper function to run commands inside sqlplus
run_sql() {
	if [ ! -x $ORACLE_HOME/bin/sqlplus ]; then
		echo "Oracle SQL*Plus not found. Aborting."
		return 1
	fi
su ${ORACLE_USER:-oracle} <<EOU > $LOGFILE
	$ORACLE_HOME/bin/sqlplus / as sysdba <<EOF
		$*
		exit
EOF
EOU
return 0
}

check_asm() {
	PMON=$(/bin/ps -ef |/bin/grep -c -e "^${ORACLE_USER:-oracle}.*asm_pmon_${ORACLE_SID}")
	if [ $PMON = 1 ]; then
		return 0
	else
		return 1
	fi
}

start() {
 	echo -n $"Starting Oracle ASM instance ($ORACLE_SID): "
	run_sql startup
	check_asm
	RETVAL=$?
	if [ $RETVAL -eq 0 ]; then
		echo_success 
		touch /var/lock/subsys/oraasm 
	else
		echo_failure
	fi
	echo
	return $RETVAL
}	
stop() {
 	echo -n $"Stopping Oracle ASM instance ($ORACLE_SID): "
	run_sql shutdown immediate
	check_asm
	RETVAL=$?
	# Ok, this time we do it backwards. return 1 is ok (not running)
	if [ $RETVAL -eq 1 ]; then
		echo_success 
		rm /var/lock/subsys/oraasm 
	else
		echo_failure
	fi
	echo
	return $RETVAL
}
rhstatus() {
	echo

}
restart() {
	stop
	echo 1
	start
}	

case "$1" in
  start)
  	start
	;;
  stop)
  	stop
	;;
  status)
	check_asm
	RETVAL=$?
	if [ $RETVAL -gt 0 ]; then
		echo "ASM not runing or ASM status unknown."
	else
		echo "ASM is ruunning"
	fi
	;;
  restart|reload)
  	restart
	;;
  condrestart)
  	[ -f /var/lock/subsys/syslog ] && restart || :
	;;
  *)
	echo $"Usage: $0 {start|stop|status|restart|condrestart}"
	exit 1
esac

[ ! -z ${DEBUG} ] && cat $LOGFILE
exit $?