debian/collectd.init.d

   1 #!/bin/bash
   2 #
   3 # collectd - start and stop the statistics collection daemon
   4 # http://collectd.org/
   5 #
   6 # Copyright (C) 2005-2006 Florian Forster <octo@verplant.org>
   7 # Copyright (C) 2006-2008 Sebastian Harl <sh@tokkee.org>
   8 #
   9
  10 ### BEGIN INIT INFO
  11 # Provides:          collectd
  12 # Required-Start:    $local_fs $remote_fs
  13 # Required-Stop:     $local_fs $remote_fs
  14 # Should-Start:      $network $named $syslog $time
  15 # Should-Stop:       $network $named $syslog
  16 # Default-Start:     2 3 4 5
  17 # Default-Stop:      0 1 6
  18 # Short-Description: start the statistics collection daemon
  19 ### END INIT INFO
  20
  21 set -e
  22
  23 PATH=/sbin:/bin:/usr/sbin:/usr/bin
  24
  25 DISABLE=0
  26
  27 DESC="statistics collection and monitoring daemon"
  28 NAME=collectd
  29 DAEMON=/usr/sbin/collectd
  30
  31 CONFIGFILE=/etc/collectd/collectd.conf
  32 PIDFILE=/var/run/collectd.pid
  33
  34 USE_COLLECTDMON=1
  35 COLLECTDMON_DAEMON=/usr/sbin/collectdmon
  36 COLLECTDMON_PIDFILE=/var/run/collectdmon.pid
  37
  38 MAXWAIT=30
  39
  40 # Gracefully exit if the package has been removed.
  41 test -x $DAEMON || exit 0
  42
  43 if [ -r /etc/default/$NAME ]; then
  44         . /etc/default/$NAME
  45 fi
  46
  47 if test "$DISABLE" != 0 -a "$1" == "start"; then
  48         echo "$NAME has been disabled - see /etc/default/$NAME."
  49         exit 0
  50 fi
  51
  52 if test "$ENABLE_COREFILES" == 1; then
  53         ulimit -c unlimited
  54 fi
  55
  56 if test "$USE_COLLECTDMON" == 1; then
  57         _PIDFILE="$COLLECTDMON_PIDFILE"
  58 else
  59         _PIDFILE="$PIDFILE"
  60 fi
  61
  62 d_start() {
  63         if test "$DISABLE" != 0; then
  64                 # we get here during restart
  65                 echo -n " - disabled by /etc/default/$NAME"
  66                 return 0
  67         fi
  68
  69         if ! $DAEMON -t -C "$CONFIGFILE"; then
  70                 exit 1
  71         fi
  72
  73         if test "$USE_COLLECTDMON" == 1; then
  74                 start-stop-daemon --start --quiet --pidfile "$_PIDFILE" \
  75                         --exec $COLLECTDMON_DAEMON -- -P "$_PIDFILE" -- -C "$CONFIGFILE"
  76         else
  77                 start-stop-daemon --start --quiet --pidfile "$_PIDFILE" \
  78                         --exec $DAEMON -- -C "$CONFIGFILE" -P "$_PIDFILE"
  79         fi
  80 }
  81
  82 still_running_warning="
  83 WARNING: $NAME might still be running.
  84 In large setups it might take some time to write all pending data to
  85 the disk. You can adjust the waiting time in /etc/default/collectd."
  86
  87 d_stop() {
  88         PID=$( cat "$_PIDFILE" 2> /dev/null ) || true
  89
  90         start-stop-daemon --stop --quiet --oknodo --pidfile "$_PIDFILE"
  91
  92         sleep 1
  93         if test -n "$PID" && kill -0 $PID 2> /dev/null; then
  94                 i=0
  95                 while kill -0 $PID 2> /dev/null; do
  96                         i=$(( $i + 2 ))
  97                         echo -n " ."
  98
  99                         if test $i -gt $MAXWAIT; then
 100                                 echo "$still_running_warning" >&2
 101                                 return 1
 102                         fi
 103
 104                         sleep 2
 105                 done
 106                 return 0
 107         fi
 108 }
 109
 110 d_status() {
 111         PID=$( cat "$_PIDFILE" 2> /dev/null ) || true
 112
 113         if test -n "$PID" && kill -0 $PID 2> /dev/null; then
 114                 echo "collectd ($PID) is running."
 115                 exit 0
 116         else
 117                 PID=$( pidof collectd ) || true
 118
 119                 if test -n "$PID"; then
 120                         echo "collectd ($PID) is running."
 121                         exit 0
 122                 else
 123                         echo "collectd is stopped."
 124                 fi
 125         fi
 126         exit 1
 127 }
 128
 129 case "$1" in
 130         start)
 131                 echo -n "Starting $DESC: $NAME"
 132                 d_start
 133                 echo "."
 134                 ;;
 135         stop)
 136                 echo -n "Stopping $DESC: $NAME"
 137                 d_stop
 138                 echo "."
 139                 ;;
 140         status)
 141                 d_status
 142                 ;;
 143         restart|force-reload)
 144                 echo -n "Restarting $DESC: $NAME"
 145                 d_stop
 146                 sleep 1
 147                 d_start
 148                 echo "."
 149                 ;;
 150         *)
 151                 echo "Usage: $0 {start|stop|restart|force-reload}" >&2
 152                 exit 1
 153                 ;;
 154 esac
 155
 156 exit 0
 157
 158 # vim: syntax=sh noexpandtab sw=4 ts=4 :
 159