rspamd/debian/rspamd.init

#! /bin/bash
### BEGIN INIT INFO
# Provides:          rspamd
# Required-Start:    $syslog $remote_fs
# Required-Stop:     $syslog $remote_fs
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Rspamd spam filtering system
# Description:       Rspamd is fast and modular spam filtering system written in C
### END INIT INFO

# Author: Vsevolod Stakhov <vsevolod@highsecure.ru>

# PATH should only include /usr/* if it runs after the mountnfs.sh script
PATH=/sbin:/usr/sbin:/bin:/usr/bin
DESC="Rspamd"
NAME=rspamd
DAEMON=/usr/bin/$NAME
DAEMON_ARGS="-c /etc/rspamd.conf"
DESC="rapid spam filtering system"
PIDFILE=/var/lib/rspamd/$NAME.pid
SCRIPTNAME=/etc/init.d/$NAME
RSPAMD_USERNAME=rspamd
RSPAMD_GROUPNAME=rspamd

# 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 (>= 3.0-6) to ensure that this file is present.
. /lib/lsb/init-functions

FILES=(/etc/default/rspamd_*.conf)
# check for alternative config schema
if [ -r "${FILES[0]}" ]; then
	CONFIGS=(/etc/default/rspamd_*.conf)
else
 	CONFIGS=(/etc/default/$NAME)
fi;

CONFIG_NUM=${#CONFIGS[@]}

#
# Function that starts the daemon/service
#
do_start()
{
	# Return
	#   0 if daemon has been started
	#   1 if daemon was already running
	#   2 if daemon could not be started
	start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON --test > /dev/null \
		|| return 1
	start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON -- \
		$DAEMON_ARGS -u $RSPAMD_USERNAME -g $RSPAMD_GROUPNAME \
		|| return 2
}

#
# Function that stops the daemon/service
#
do_stop()
{
	# Return
	#   0 if daemon has been stopped
	#   1 if daemon was already stopped
	#   2 if daemon could not be stopped
	#   other if a failure occurred
	start-stop-daemon --stop --quiet --retry=TERM/30/KILL/5 --pidfile $PIDFILE
	RETVAL="$?"
	[ "$RETVAL" = 2 ] && return 2
	# Many daemons don't delete their pidfiles when they exit.
	rm -f $PIDFILE
	return "$RETVAL"
}

#
# Function that sends a SIGHUP to the daemon/service
#
do_reload() {
	start-stop-daemon --stop --signal 1 --quiet --pidfile $PIDFILE
	return 0
}

#
# Function that sends a SIGUSR1 to the daemon/service
#
do_reopenlog() {
	start-stop-daemon --stop --signal 10 --quiet --pidfile $PIDFILE
	return 0
}

_retcode=0

for ((i=0; i < $CONFIG_NUM; i++)); do
  SCRIPT=${CONFIGS[${i}]}
  . ${SCRIPT}
  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 -p $PIDFILE "$DAEMON" "$NAME" || _retcode=$?
       ;;
  reload|force-reload)
	log_daemon_msg "Reloading $DESC" "$NAME"
	do_reload
	log_end_msg $?
	;;
  reopenlog)
	log_daemon_msg "Reopen logs for $DESC" "$NAME"
	do_reopenlog
	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|restart|reload|force-reload|reopenlog}" >&2
	exit 3
	;;
  esac
done
exit $_retcode
: