From 08df39b4d5082f4c80e44f7c6d088e0c661a3ea0 Mon Sep 17 00:00:00 2001
From: Sebastian Harl <sh@tokkee.org>
Date: Fri, 25 Sep 2009 23:28:54 +0200
Subject: [PATCH] rrdcached.{init.d,default}: Added an init script for
 rrdcached.

The script currently supports start, stop, status, restart, force-reload. It
is based on the collectd init script.
---
 debian/changelog         |   5 +-
 debian/rrdcached.default |  16 +++++
 debian/rrdcached.init.d  | 141 +++++++++++++++++++++++++++++++++++++++
 3 files changed, 161 insertions(+), 1 deletion(-)
 create mode 100644 debian/rrdcached.default
 create mode 100755 debian/rrdcached.init.d

diff --git a/debian/changelog b/debian/changelog
index f9d580d..b95c75f 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -27,8 +27,11 @@ rrdtool (1.4~rc2-1) experimental; urgency=low
     - Added symbols introduced in 1.4~rc2.
   * Added new binary package 'rrdcached' for the newly introduced "data
     caching daemon".
+  * debian/rrdcached.init.d, debian/rrdcached.default:
+    - Added an init script for rrdcached supporting start, stop, status,
+      restart, force-reload. The script is based on the collectd init script.
 
- -- Sebastian Harl <tokkee@debian.org>  Fri, 25 Sep 2009 22:35:04 +0200
+ -- Sebastian Harl <tokkee@debian.org>  Fri, 25 Sep 2009 23:27:32 +0200
 
 rrdtool (1.3.8-1) unstable; urgency=low
 
diff --git a/debian/rrdcached.default b/debian/rrdcached.default
new file mode 100644
index 0000000..257f189
--- /dev/null
+++ b/debian/rrdcached.default
@@ -0,0 +1,16 @@
+# /etc/default/rrdcached
+
+# 0: start rrdcached on boot, 1: do not start rrdcached on boot
+# default: 0
+DISABLE=0
+
+# number of seconds to wait for rrdcached to shut down
+# (writing the data to disk may take some time;
+# tune this according to your setup)
+# default: 30
+MAXWAIT=30
+
+# 0: do not enable core-files, 1: enable core-files ... if rrdcached crashes
+# default: 0
+ENABLE_COREFILES=0
+
diff --git a/debian/rrdcached.init.d b/debian/rrdcached.init.d
new file mode 100755
index 0000000..48c629c
--- /dev/null
+++ b/debian/rrdcached.init.d
@@ -0,0 +1,141 @@
+#! /bin/bash
+#
+# rrdcached - start and stop the RRDtool data caching daemon
+# http://oss.oetiker.ch/rrdtool/
+#
+# Based on the collectd init script.
+#
+# Copyright (C) 2005-2006 Florian Forster <octo@verplant.org>
+# Copyright (C) 2006-2009 Sebastian Harl <tokkee@debian.org>
+#
+
+### BEGIN INIT INFO
+# Provides:          rrdcached
+# Required-Start:    $local_fs $remote_fs
+# Required-Stop:     $local_fs $remote_fs
+# Should-Start:      $network
+# Should-Stop:       $network
+# Default-Start:     2 3 4 5
+# Default-Stop:      0 1 6
+# Short-Description: start the RRDtool data caching daemon
+### END INIT INFO
+
+set -e
+
+PATH=/sbin:/bin:/usr/sbin:/usr/bin
+
+DISABLE=0
+
+DESC="RRDtool data caching daemon"
+NAME=rrdcached
+DAEMON=/usr/bin/rrdcached
+
+PIDFILE=/var/run/rrdcached.pid
+
+MAXWAIT=30
+
+# Gracefully exit if the package has been removed.
+test -x $DAEMON || exit 0
+
+if [ -r /etc/default/$NAME ]; then
+	. /etc/default/$NAME
+fi
+
+if test "$DISABLE" != 0 -a "$1" == "start"; then
+	echo "$NAME has been disabled - see /etc/default/$NAME."
+	exit 0
+fi
+
+if test "$ENABLE_COREFILES" == 1; then
+	ulimit -c unlimited
+fi
+
+d_start() {
+	if test "$DISABLE" != 0; then
+		# we get here during restart
+		echo -n " - disabled by /etc/default/$NAME"
+		return 0
+	fi
+
+	start-stop-daemon --start --quiet --oknodo --pidfile "$PIDFILE" \
+		--exec $DAEMON -- $OPTS -p "$PIDFILE"
+}
+
+still_running_warning="
+WARNING: $NAME might still be running.
+In large setups it might take some time to write all pending data to
+the disk. You can adjust the waiting time in /etc/default/$NAME."
+
+d_stop() {
+	PID=$( cat "$PIDFILE" 2> /dev/null ) || true
+
+	start-stop-daemon --stop --quiet --oknodo --pidfile "$PIDFILE"
+
+	sleep 1
+	if test -n "$PID" && kill -0 $PID 2> /dev/null; then
+		i=0
+		while kill -0 $PID 2> /dev/null; do
+			i=$(( $i + 2 ))
+			echo -n " ."
+
+			if test $i -gt $MAXWAIT; then
+				echo "$still_running_warning" >&2
+				return 1
+			fi
+
+			sleep 2
+		done
+		return 0
+	fi
+}
+
+d_status() {
+	PID=$( cat "$PIDFILE" 2> /dev/null ) || true
+
+	if test -n "$PID" && kill -0 $PID 2> /dev/null; then
+		echo "$NAME ($PID) is running."
+		exit 0
+	else
+		PID=$( pidof $NAME ) || true
+
+		if test -n "$PID"; then
+			echo "$NAME ($PID) is running."
+			exit 0
+		else
+			echo "$NAME is stopped."
+		fi
+	fi
+	exit 1
+}
+
+case "$1" in
+	start)
+		echo -n "Starting $DESC: $NAME"
+		d_start
+		echo "."
+		;;
+	stop)
+		echo -n "Stopping $DESC: $NAME"
+		d_stop
+		echo "."
+		;;
+	status)
+		d_status
+		;;
+	restart|force-reload)
+		echo -n "Restarting $DESC: $NAME"
+		d_stop
+		sleep 1
+		d_start
+		echo "."
+		;;
+	*)
+		echo "Usage: $0 {start|stop|restart|force-reload|status}" >&2
+		exit 1
+		;;
+esac
+
+exit 0
+
+# vim: syntax=sh noexpandtab sw=4 ts=4 :
+
-- 
2.30.2