#! /bin/sh

### BEGIN INIT INFO
# Provides:          pgqd
# Required-Start:    $local_fs $remote_fs $network $named $syslog
# Required-Stop:     $local_fs $remote_fs $network $named $syslog
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: PgQ maintenance daemon
# Description:       PgQ maintenance daemon
### END INIT INFO

PATH=/sbin:/usr/sbin:/bin:/usr/bin
DESC="PgQ daemon"
NAME=pgqd
USER=postgres
DAEMON=/usr/bin/$NAME
DAEMON_ARGS="-d -q /etc/pgqd.ini"
PIDFILE=/var/run/postgresql/$NAME.pid
SCRIPTNAME=/etc/init.d/$NAME

# Exit if the package is not installed
[ -x "$DAEMON" ] || exit 0

# Read configuration variable file if it is present
[ -r /etc/default/$NAME ] && . /etc/default/$NAME

# Load the VERBOSE setting and other rcS variables
#. /lib/init/vars.sh

# Define LSB log_* functions.
# Depend on lsb-base (>= 3.2-14) to ensure that this file is present
# and status_of_proc is working.
. /lib/lsb/init-functions

SSD="start-stop-daemon --quiet --pidfile $PIDFILE --user $USER --name $NAME --exec $DAEMON"

#
# Function that starts the daemon/service
#
do_start()
{
    $SSD --start --chuid $USER -- $DAEMON_ARGS
}

#
# Function that stops the daemon/service
#
do_stop()
{
    $SSD --stop --retry=TERM/30/KILL/5
    rm -f $PIDFILE
}

#
# Function that sends a SIGHUP to the daemon/service
#
do_reload() {
    $SSD --stop --signal 1
}

case "$1" in
  start)
    [ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC" "$NAME"
    do_start
    case "$?" in
	0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
	2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
    esac
    ;;
  stop)
    [ "$VERBOSE" != no ] && log_daemon_msg "Stopping $DESC" "$NAME"
    do_stop
    case "$?" in
	0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
	2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
    esac
    ;;
  status)
       status_of_proc "$DAEMON" "$NAME" && exit 0 || exit $?
       ;;
  reload|force-reload)
    log_daemon_msg "Reloading $DESC" "$NAME"
    do_reload
    log_end_msg $?
    ;;
  restart)
    log_daemon_msg "Restarting $DESC" "$NAME"
    do_stop
    case "$?" in
      0|1)
	do_start
	case "$?" in
	    0) log_end_msg 0 ;;
	    1) log_end_msg 1 ;; # Old process is still running
	    *) log_end_msg 1 ;; # Failed to start
	esac
	;;
      *)
        # Failed to stop
	log_end_msg 1
	;;
    esac
    ;;
  *)
    echo "Usage: $SCRIPTNAME {start|stop|status|restart|reload}" >&2
    exit 3
    ;;
esac

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