File: icinga-idoutils.ido2db.init

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#! /bin/sh
### BEGIN INIT INFO
# Provides:          ido2db
# Required-Start:    $remote_fs $syslog $named $network $time
# Required-Stop:     $remote_fs $syslog $named $network
# X-Start-Before:    icinga
# X-Stop-After:      icinga
# Should-Start:      mysql postgresql
# Should-Stop:       mysql postgresql
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: ido2db initscript
# Description:       icinga-dataobjects daemon
### END INIT INFO

# Author: Alexander Wirt <formorer@debian.org>
#

# PATH should only include /usr/* if it runs after the mountnfs.sh script
PATH=/sbin:/usr/sbin:/bin:/usr/bin
DESC="icinga-dataobjects daemon"
NAME=ido2db
DAEMON=/usr/sbin/$NAME
PIDFILE=/var/run/icinga/$NAME.pid
SCRIPTNAME=/etc/init.d/$NAME
CFG=/etc/icinga/ido2db.cfg 

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

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

# 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

if [ "$IDO2DB" != "yes"  ]; then
    if [ "$VERBOSE" != no ]; then
            log_warning_msg "Not starting ido2db - edit /etc/default/icinga to enable it"
    fi
    exit 0
fi

check_run () {
	if [ ! -d '/var/run/icinga' ];
	then
		mkdir /var/run/icinga
		chown nagios:nagios /var/run/icinga
		chmod 0750 /var/run/icinga
	fi
}

check_started () {
	start-stop-daemon --quiet --pidfile $PIDFILE --exec $DAEMON --status > /dev/null 
	if [ $? -eq 0 ]
	then
		return 1
	else
		return 0
	fi
}

cleanup_socket () {
	SOCKET=$( get_config socket_name )
	test -z "$SOCKET" && return
	check_started
	[ $? -eq 1 ] && return
	if [ -e $SOCKET ] 
	then
		log_warning_msg "Remove stale socket $SOCKET"
		rm $SOCKET
	fi

}

#
#	get_config()
#
#	grab a config option from icinga.cfg (or possibly another icinga config
#	file if specified).  everything after the '=' is echo'd out, making
#	this a nice generalized way to get requested settings.
#
get_config () {
  if [ "$2" ]; then
    set -- `grep ^$1 $2 | sed 's@=@ @'`
  else
    set -- `grep ^$1 $CFG | sed 's@=@ @'`
  fi
  shift
  echo $*
}

#
# Function that starts the daemon/service
#
do_start()
{
	test -d $(dirname $PIDFILE) || mkdir -p $(dirname $PIDFILE) 
	chown nagios:nagios $(dirname $PIDFILE)
	#cleanup stale socket
	cleanup_socket
	# 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 -- \
		-c $CFG \
		|| 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 --name $NAME
	RETVAL="$?"
	[ "$RETVAL" = 2 ] && return 2
	# Wait for children to finish too if this is a daemon that forks
	# and if the daemon is only ever run from this initscript.
	# If the above conditions are not satisfied then add some other code
	# that waits for the process to drop all resources that could be
	# needed by services started subsequently.  A last resort is to
	# sleep for some time.
	start-stop-daemon --stop --quiet --oknodo --retry=0/30/KILL/5 --exec $DAEMON
	[ "$?" = 2 ] && return 2
	# Many daemons don't delete their pidfiles when they exit.
	rm -f $PIDFILE
	return "$RETVAL"
}

check_run

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)
	#
	# If do_reload() is not implemented then leave this commented out
	# and leave 'force-reload' as an alias for 'restart'.
	#
	#log_daemon_msg "Reloading $DESC" "$NAME"
	#do_reload
	#log_end_msg $?
	#;;
  restart|force-reload)
	#
	# If the "reload" option is implemented then remove the
	# 'force-reload' alias
	#
	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}" >&2
	echo "Usage: $SCRIPTNAME {start|stop|status|restart|force-reload}" >&2
	exit 3
	;;
esac

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