#!/bin/sh
set -e

### BEGIN INIT INFO
# Provides:     postgresql
# Required-Start:   $local_fs $remote_fs $network $time
# Required-Stop:    $local_fs $remote_fs $network $time
# Should-Start:     $syslog
# Should-Stop:      $syslog
# Default-Start:    2 3 4 5
# Default-Stop:     0 1 6
# Short-Description:    PostgreSQL RDBMS server
### END INIT INFO

DAEMON=/usr/bin/postmaster
DESC="PostgreSQL RDBMS server"

start ()
{
    echo -n "Starting postgres server..."
    if pidof ${DAEMON} > /dev/null; then
        echo "already running."
        exit 0
    fi
    start-stop-daemon --start --quiet --chuid postgres --exec ${DAEMON} --background -- -D /etc/postgresql
    if [ $? -eq 0 ]; then
        echo "done."
    else
        echo "failed."
    fi
}

stop ()
{
    echo -n "Stopping postgres server..."
    if ! pidof ${DAEMON} >/dev/null; then
        echo "not running."
        exit 0
    fi
    start-stop-daemon --stop --quiet --chuid postgres --exec ${DAEMON}
    if [ $? -eq 0 ]; then
        echo "done."
    else
        echo "failed."
    fi
}

case "$1" in
    start)
        start
        ;;
    stop)
        stop
        ;;
    force-reload)
        stop
        start
        ;;
    restart)
        stop
        start
        ;;
    *)
        echo "Usage: $0 {start|stop|force-reload|restart}"
        exit 1
        ;;
esac

exit 0