#!/bin/ksh93

. /lib/svc/share/smf_include.sh

unset PGDATA PGLOG ; typeset PGDATA PGLOG

PGCTL=@CLIENT_BASEDIR@/bin/pg_ctl


if [[ -z ${SMF_FMRI} ]]; then
	SMF_FMRI='postgres-95:default'
	print -u2 "SMF_FMRI is not set! Assuming '${SMF_FMRI}'."
fi

# $1 .. Name of the property to lookup
# $2 .. vName of the variable, where to append the unescaped values
# return: 0 .. non-empty value found; 1 .. prop does not exist or is empty
function getSvcProp {
	typeset -n VAL=$2
	typeset V="${ svcprop -p $1 ${SMF_FMRI} 2>/dev/null ; }"
	[[ $V == '""' || -z $V ]] && return 1
	VAL+="${V// /_}"
	return 0
}

if ! getSvcProp 'config/dir' PGDATA ; then
	print -u2 "SMF property 'config/dir' not set - exiting."
	exit ${SMF_EXIT_ERR_CONFIG}
fi

function checkDB {
	if ! getSvcProp 'config/log' PGLOG ; then
		print -u2 "SMF property 'config/log' not set - exiting."
		exit ${SMF_EXIT_ERR_CONFIG}
	fi

	[[ -e ${PGDATA}/postgresql.conf ]] && return 0
	print "Trying to initialize PostgreSQL database cluster in '${PGDATA}'..."
	if [[ ! -e "${PGDATA}" ]]; then
		mkdir -p "${PGDATA}" || return ${SMF_EXIT_ERR_PERM}
		chmod 0700 "${PGDATA}"
	fi
	if ! ${PGCTL} init -w -D "${PGDATA}" -m fast -l "${PGLOG}"; then
		print -u2 "'${PGCTL} init -w -D \"${PGDATA}\" -m fast " \
			"-l \"${PGLOG}\" failed."
		return ${SMF_EXIT_ERR_FATAL}
	fi
	print 'done.'
	return 0
}

case "$1" in
	start)
		print "Starting postgres using '${PGDATA}' ..."
		ulimit -n 10240
		checkDB || exit $?
		${PGCTL} -w -D "${PGDATA}" -l "${PGLOG}" start
		;;
	refresh)
		print "Reloading postgres config using '${PGDATA}' ..."
		${PGCTL} -w -D "${PGDATA}" reload
		;;
	stop)
		print "Stopping postgres using '${PGDATA}' ..."
		${PGCTL} -w -D "${PGDATA}" stop
		;;
	*)
		print -u2 "Usage: $0 {start|refresh}"
		exit 1
		;;
esac
integer RES=$?
(( RES )) && print -u2 "Faild with exit code ${RES}" && \
	exit ${SMF_EXIT_ERR_FATAL}
print 'Done.'
exit ${SMF_EXIT_OK}