#!/bin/sh
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#
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# collectd - start and stop the statistics collection daemon
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# http://collectd.org/
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#
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# Copyright (C) 2005-2006 Florian Forster <octo@verplant.org>
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# Copyright (C) 2006-2009 Sebastian Harl <tokkee@debian.org>
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#
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### BEGIN INIT INFO
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# Provides: collectd
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# Required-Start: $local_fs $remote_fs
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# Required-Stop: $local_fs $remote_fs
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# Should-Start: $network $named $syslog $time cpufrequtils
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# Should-Stop: $network $named $syslog
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# Default-Start: 2 3 4 5
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# Default-Stop: 0 1 6
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# Short-Description: manage the statistics collection daemon
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# Description: collectd is the statistics collection daemon.
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# It is a small daemon which collects system information
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# periodically and provides mechanisms to monitor and store
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# the values in a variety of ways.
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### END INIT INFO
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. /etc/init.d/functions
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export PATH=/sbin:/bin:/usr/sbin:/usr/bin
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DISABLE=0
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NAME=collectd
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DAEMON=/usr/sbin/collectd
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CONFIGFILE=/etc/collectd.conf
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PIDFILE=/var/run/collectd.pid
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USE_COLLECTDMON=1
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COLLECTDMON_DAEMON=/usr/sbin/collectdmon
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COLLECTDMON_PIDFILE=/var/run/collectdmon.pid
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MAXWAIT=30
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# Gracefully exit if the package has been removed.
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test -x $DAEMON || exit 0
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if [ -r /etc/default/$NAME ]; then
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. /etc/default/$NAME
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fi
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if test "$ENABLE_COREFILES" = 1; then
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ulimit -c unlimited
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fi
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if test "$USE_COLLECTDMON" = 1; then
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_PIDFILE="$COLLECTDMON_PIDFILE"
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else
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_PIDFILE="$PIDFILE"
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fi
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# return:
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# 0 if config is fine
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# 1 if there is a syntax error
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# 2 if there is no configuration
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check_config() {
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if test ! -e "$CONFIGFILE"; then
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return 2
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fi
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if ! $DAEMON -t -C "$CONFIGFILE"; then
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return 1
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fi
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return 0
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}
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# return:
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# 0 if the daemon has been started
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# 1 if the daemon was already running
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# 2 if the daemon could not be started
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# 3 if the daemon was not supposed to be started
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d_start() {
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if test "$DISABLE" != 0; then
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# we get here during restart
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echo "disabled by /etc/default/$NAME"
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return 3
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fi
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if test ! -e "$CONFIGFILE"; then
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# we get here during restart
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echo "disabled, no configuration ($CONFIGFILE) found"
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return 3
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fi
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check_config
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rc="$?"
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if test "$rc" -ne 0; then
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echo "not starting, configuration error"
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return 2
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fi
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if test "$USE_COLLECTDMON" = 1; then
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start-stop-daemon --start --quiet --oknodo --pidfile "$_PIDFILE" \
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--exec $COLLECTDMON_DAEMON -- -P "$_PIDFILE" -- -C "$CONFIGFILE" \
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|| return 2
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else
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start-stop-daemon --start --quiet --oknodo --pidfile "$_PIDFILE" \
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--exec $DAEMON -- -C "$CONFIGFILE" -P "$_PIDFILE" \
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|| return 2
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fi
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return 0
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}
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still_running_warning="
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WARNING: $NAME might still be running.
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In large setups it might take some time to write all pending data to
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the disk. You can adjust the waiting time in /etc/default/collectd."
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# return:
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# 0 if the daemon has been stopped
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# 1 if the daemon was already stopped
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# 2 if daemon could not be stopped
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d_stop() {
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PID=$( cat "$_PIDFILE" 2> /dev/null ) || true
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start-stop-daemon --stop --quiet --oknodo --pidfile "$_PIDFILE"
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rc="$?"
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if test "$rc" -eq 2; then
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return 2
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fi
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sleep 1
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if test -n "$PID" && kill -0 $PID 2> /dev/null; then
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i=0
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while kill -0 $PID 2> /dev/null; do
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i=$(( $i + 2 ))
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echo -n " ."
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if test $i -gt $MAXWAIT; then
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echo "$still_running_warning"
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return 2
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fi
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sleep 2
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done
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return "$rc"
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fi
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return "$rc"
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}
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# return:
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# 0 if the daemon is running
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# 3 if the daemon is stopped
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d_status(){
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if test "$USE_COLLECTDMON" = 1; then
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status $COLLECTDMON_DAEMON
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else
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status $DAEMON
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fi
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}
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case "$1" in
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start)
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echo -n "Starting $NAME"
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d_start
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case "$?" in
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0|1) echo "." ;;
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*) exit 1 ;;
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esac
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;;
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stop)
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echo -n "Stopping $NAME"
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d_stop
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case "$?" in
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0|1) echo "." ;;
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*) exit 1 ;;
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esac
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;;
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status)
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d_status
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;;
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restart|force-reload)
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echo -n "Restarting $NAME"
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check_config
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rc="$?"
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if test "$rc" -eq 1; then
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echo "not restarting, configuration error"
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exit 1
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fi
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d_stop
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rc="$?"
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case "$rc" in
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0|1)
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sleep 1
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d_start
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rc2="$?"
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case "$rc2" in
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0|1) echo "." ;;
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*) exit 1 ;;
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esac
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;;
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*)
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exit 1
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;;
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esac
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;;
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*)
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echo "Usage: $0 {start|stop|restart|force-reload|status}" >&2
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exit 3
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;;
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esac
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# vim: syntax=sh noexpandtab sw=4 ts=4 :
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