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