#!/sbin/sh
#
# Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
# Use is subject to license terms.
#
#ident	"@(#)postgresql	1.3	08/02/08 SMI"

. /lib/svc/share/smf_include.sh

# SMF_FMRI is the name of the target service. This allows multiple instances 
# to use the same script.

getproparg() {
        val=`svcprop -p $1 $SMF_FMRI`
        [ -n "$val" ] && echo $val
}

check_data_dir() {
	if [ ! -d $PGDATA ]; then
		echo "Error: postgresql/data directory $PGDATA does not exist"
		exit $SMF_EXIT_ERR_CONFIG
	fi

	if [ ! -w $PGDATA ]; then
		echo "Error: postgresql/data directory $PGDATA is not writable by postgres"
		exit $SMF_EXIT_ERR_CONFIG
	fi

	if [ ! -d $PGDATA/base -o ! -d $PGDATA/global -o ! -f $PGDATA/PG_VERSION ]; then
		# If the directory is empty we can create the database files
		# on behalf of the user using initdb
		if [ `ls -a $PGDATA | wc -w` -le 2 ]; then
			echo "Notice: postgresql/data directory $PGDATA is empty"
			echo "Calling '$PGBIN/initdb -D $PGDATA' to initialize"

			$PGBIN/initdb -D $PGDATA
			if [ $? -ne 0 ]; then
				echo "Error: initdb failed"
				exit $SMF_EXIT_ERR
			fi
		else
			echo "Error: postgresql/data directory $PGDATA is not empty, nor is it a valid PostgreSQL data directory"
			exit $SMF_EXIT_ERR_CONFIG
		fi
	fi
}

PGBIN=`getproparg postgresql/bin`
PGDATA=`getproparg postgresql/data`
PGLOG=`getproparg postgresql/log`

if [ -z $SMF_FMRI ]; then
	echo "Error: SMF framework variables are not initialized"
	exit $SMF_EXIT_ERR
fi

if [ -z $PGDATA ]; then
        echo "Error: postgresql/data property not set"
        exit $SMF_EXIT_ERR_CONFIG
fi

if [ -z $PGLOG ]; then
        echo "Error: postgresql/log property not set"
        exit $SMF_EXIT_ERR_CONFIG
fi

case "$1" in
'start')
	check_data_dir
        $PGBIN/pg_ctl -D $PGDATA -l $PGDATA/$PGLOG start
        ;;

'stop')
        $PGBIN/pg_ctl -D $PGDATA stop
        ;;

'refresh')
        $PGBIN/pg_ctl -D $PGDATA reload
        ;;

*)
        echo "Usage: $0 {start|stop|refresh}"
        exit 1
        ;;

esac
exit $SMF_EXIT_OK