#!/sbin/sh
#
# CDDL HEADER START
#
# The contents of this file are subject to the terms of the
# Common Development and Distribution License (the "License").
# You may not use this file except in compliance with the License.
#
# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
# or http://www.opensolaris.org/os/licensing.
# See the License for the specific language governing permissions
# and limitations under the License.
#
# When distributing Covered Code, include this CDDL HEADER in each
# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
# If applicable, add the following below this CDDL HEADER, with the
# fields enclosed by brackets "[]" replaced with your own identifying
# information: Portions Copyright [yyyy] [name of copyright owner]
#
# CDDL HEADER END
#
# Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
# Use is subject to license terms.
#

. /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_12/data directory $PGDATA does not exist"
		exit $SMF_EXIT_ERR_CONFIG
	fi

	if [ ! -w $PGDATA ]; then
		echo "Error: postgresql_12/data directory $PGDATA is not writable by postgres"
		exit $SMF_EXIT_ERR_CONFIG
	fi

	if [ "$PGINIT" = "false" ]; then
		echo "Notice: postgresql_12/data directory $PGDATA is not initialized"
		echo "        Calling '$PGBIN/initdb -D $PGDATA' to initialize"
		$PGBIN/initdb -D $PGDATA
		if [ $? -ne 0 ]; then
			echo "Error: initdb failed"
			echo "Hint : If database is already initialized set postgresql_12/initialized property to true."
			echo "        svccfg -s $SMF_FMRI \"setprop postgresql_12/initialized = boolean: true\""
			echo "        svccfg -s $SMF_FMRI refresh"
			exit $SMF_EXIT_ERR
		fi
		svccfg -s $SMF_FMRI "setprop postgresql_12/initialized = boolean: true"
		svccfg -s $SMF_FMRI refresh
	fi

	if [ ! -d $PGDATA/base -o ! -d $PGDATA/global -o ! -f $PGDATA/PG_VERSION ]; then
		if [ `ls -a $PGDATA | wc -w` -le 2 ]; then
			echo "Error: postgresql_12/data directory $PGDATA is empty, but it should be initialized"
			echo "Hint : check your mountpoints"
		else
			echo "Error: postgresql_12/data directory $PGDATA is not empty, nor is it a valid PostgreSQL data directory"
		fi
		exit $SMF_EXIT_ERR_CONFIG
	fi
}

PGBIN=`getproparg postgresql_12/bin`
PGDATA=`getproparg postgresql_12/data`
PGLOG=`getproparg postgresql_12/log`
PGINIT=`getproparg postgresql_12/initialized`

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_12/data property not set"
        exit $SMF_EXIT_ERR_CONFIG
fi

if [ -z $PGLOG ]; then
        echo "Error: postgresql_12/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 -m fast stop
        ;;

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

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

esac
exit $SMF_EXIT_OK