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[packages/postgresql.git] / postgresql.init

#!/bin/sh
#
# postgresql	This is the init script for starting up the PostgreSQL
#		server
#
# chkconfig:	345 85 15
#
# description:	Starts and stops the PostgreSQL backend daemon that handles \
#		all database requests.
#
# processname:	postmaster
# pidfile:	/var/run/postmaster.pid

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

# Get network config
. /etc/sysconfig/network

# Get service config
if [ -f /etc/sysconfig/postgresql ] ; then
        . /etc/sysconfig/postgresql
else
        ALLOW_TCP_CONNECTIONS=no
	POSTGRES_DATA_DIR=/var/lib/psql
	POSTGRES_LOG=/var/log/pgsql
fi

# Check that networking is up.
if is_no "${NETWORKING}"; then
	msg_Network_Down Postgresql
	exit 1
fi

# check if postmaster is realy alive
if [ -f /var/lib/pgsql/postmaster.pid ]; then
 if ps -p `head -1 /var/lib/pgsql/postmaster.pid` > /dev/null ; then
	 #ok. it's alive
	echo > /dev/null;
 else
	 # oh, it has crashed
	 rm -f  /var/lock/subsys/postgresql
 fi
else
	# it's stoped. 
	rm -f  /var/lock/subsys/postgresql
fi


# See how we were called.
case "$1" in
  start)
	# Check if the service is already running?
	if [ -f /var/lock/subsys/postgresql ]; then
  		msg_Already_Running PostgreSQL
	else 	
		# Sanity check
		[ -f /tmp/.s.PGSQL.5432 ] || rm -f /tmp/.s.PGSQL.5432
		
		# Check for the PGDATA structure
		if [ -f $POSTGRES_DATA_DIR/PG_VERSION ] && [ -f $POSTGRES_DATA_DIR/global/pg_control ]; then
		    # Check version of existing PGDATA
		    if [ `cat $POSTGRES_DATA_DIR/PG_VERSION` != '7.1' ]; then
			show "Databases created under incompatibile version. Migrate them first."; fail
			exit 1
		    fi
		else
		    # Create sample database
            	    if [ ! -d $POSTGRES_DATA_DIR ]; then
			mkdir -p $POSTGRES_DATA_DIR
			chown postgres.postgres $POSTGRES_DATA_DIR
			chmod 700 $POSTGRES_DATA_DIR
		    fi
		    TMPDIR=/tmp su postgres -c "LD_LIBRARY_PATH=/usr/lib \
			initdb --pgdata=$POSTGRES_DATA_DIR \
			-L /usr/share/postgresql"
		fi
		
		msg_starting PostgreSQL 
		busy
		PGSQL_CMDLINE="$([ -n "$POSTGRES_DATA_DIR" ] && echo "-D $POSTGRES_DATA_DIR") \
		    $([ "$POSTGRES_QUIET". = yes. ] && echo '-s')";
		POSTMASTER_OPTIONS=" \
		    $([ "$POSTGRES_QUIET". = yes. ] && echo '-S') \
		    $([ "$POSTGRES_DISABLE_FSYNC". = yes. ] && echo '-F') \
		    $([ "$ALLOW_TCP_CONNECTIONS". = yes. ] && echo '-i')";

		TMPDIR=/tmp su postgres -c "\
			$(echo "/usr/bin/pg_ctl start $PGSQL_CMDLINE -l $POSTGRES_LOG") \
			$([ "$POSTMASTER_OPTIONS". != . ] && echo "-o '$POSTMASTER_OPTIONS'") \
			$(echo "2>&1 >/dev/null")";

		out=`status postmaster`
		if [ $? -eq 0 ]; then 
		    deltext; ok
		else
		    deltext; fail 
		    exit 1	
		fi
	fi
	touch /var/lock/subsys/postgresql
	;;
  stop)

  	if [ ! -f /var/lock/subsys/postgresql ]; then
		msg_Not_Running PostgreSQL
		exit 0	
	fi
	msg_stopping postgreSQL
	busy
	PGSQL_CMDLINE="$([ -n "$POSTGRES_DATA_DIR" ] && echo "-D $POSTGRES_DATA_DIR")";
	TMPDIR=/tmp su postgres -c "/usr/bin/pg_ctl stop $PGSQL_CMDLINE -m fast 2>&1 >/dev/null"
	out=`status postmaster`
	if [ $? -eq 0 ]; then
		deltext; fail
		echo -e "\n$out";
		exit 1
	else
		deltext; ok
	fi
	rm -f /var/run/postmaster.pid
	rm -f /var/lock/subsys/postgresql
	;;
  status)
	PGSQL_CMDLINE="$([ -n "$POSTGRES_DATA_DIR" ] && echo "-D $POSTGRES_DATA_DIR")";
	TMPDIR=/tmp su postgres -c "/usr/bin/pg_ctl status $PGSQL_CMDLINE"
	;;
  restart)
  	$0 stop
	$0 start
	;;
  reload)
  	if [ ! -f /var/lock/subsys/postgresql ]; then
		msg_Not_Running PostgreSQL
		exit 0	
	fi
	msg_reloading postgreSQL
	busy

	PGSQL_CMDLINE="$([ -n "$POSTGRES_DATA_DIR" ] && echo "-D $POSTGRES_DATA_DIR") \
	    $([ "$POSTGRES_QUIET". = yes. ] && echo '-s')";
	POSTMASTER_OPTIONS=" \
	    $([ "$POSTGRES_QUIET". = yes. ] && echo '-S') \
	    $([ "$POSTGRES_DISABLE_FSYNC". = yes. ] && echo '-F') \
	    $([ "$ALLOW_TCP_CONNECTIONS". = yes. ] && echo '-i')";

	TMPDIR=/tmp su postgres -c "\
		$(echo "/usr/bin/pg_ctl restart $PGSQL_CMDLINE -l $POSTGRES_LOG") \
		$([ "$POSTMASTER_OPTIONS". != . ] && echo "-o '$POSTMASTER_OPTIONS'") \
		$(echo "2>&1 >/dev/null")";

	out=`status postmaster`
	if [ $? -eq 0 ]; then
		deltext; ok
	else
		deltext; fail
		echo -e "\n$out";
		exit 1
	fi
	;;
  *)
	msg_Usage "$0 {start|stop|status|restart|reload}"
	exit 1
esac

exit 0