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 check_config() {
  63         if ! $DAEMON -t -C "$CONFIGFILE"; then
  64                 if test -n "$1"; then
  65                         echo "$1" >&2
  66                 fi
  67                 exit 1
  68         fi
  69 }
  70
  71 d_start() {
  72         if test "$DISABLE" != 0; then
  73                 # we get here during restart
  74                 echo -n " - disabled by /etc/default/$NAME"
  75                 return 0
  76         fi
  77
  78         check_config
  79
  80         if test "$USE_COLLECTDMON" == 1; then
  81                 start-stop-daemon --start --quiet --pidfile "$_PIDFILE" \
  82                         --exec $COLLECTDMON_DAEMON -- -P "$_PIDFILE" -- -C "$CONFIGFILE"
  83         else
  84                 start-stop-daemon --start --quiet --pidfile "$_PIDFILE" \
  85                         --exec $DAEMON -- -C "$CONFIGFILE" -P "$_PIDFILE"
  86         fi
  87 }
  88
  89 still_running_warning="
  90 WARNING: $NAME might still be running.
  91 In large setups it might take some time to write all pending data to
  92 the disk. You can adjust the waiting time in /etc/default/collectd."
  93
  94 d_stop() {
  95         PID=$( cat "$_PIDFILE" 2> /dev/null ) || true
  96
  97         start-stop-daemon --stop --quiet --oknodo --pidfile "$_PIDFILE"
  98
  99         sleep 1
 100         if test -n "$PID" && kill -0 $PID 2> /dev/null; then
 101                 i=0
 102                 while kill -0 $PID 2> /dev/null; do
 103                         i=$(( $i + 2 ))
 104                         echo -n " ."
 105
 106                         if test $i -gt $MAXWAIT; then
 107                                 echo "$still_running_warning" >&2
 108                                 return 1
 109                         fi
 110
 111                         sleep 2
 112                 done
 113                 return 0
 114         fi
 115 }
 116
 117 d_status() {
 118         PID=$( cat "$_PIDFILE" 2> /dev/null ) || true
 119
 120         if test -n "$PID" && kill -0 $PID 2> /dev/null; then
 121                 echo "collectd ($PID) is running."
 122                 exit 0
 123         else
 124                 PID=$( pidof collectd ) || true
 125
 126                 if test -n "$PID"; then
 127                         echo "collectd ($PID) is running."
 128                         exit 0
 129                 else
 130                         echo "collectd is stopped."
 131                 fi
 132         fi
 133         exit 1
 134 }
 135
 136 case "$1" in
 137         start)
 138                 echo -n "Starting $DESC: $NAME"
 139                 d_start
 140                 echo "."
 141                 ;;
 142         stop)
 143                 echo -n "Stopping $DESC: $NAME"
 144                 d_stop
 145                 echo "."
 146                 ;;
 147         status)
 148                 d_status
 149                 ;;
 150         restart|force-reload)
 151                 echo -n "Restarting $DESC: $NAME"
 152                 check_config "Not restarting collectd."
 153                 d_stop
 154                 sleep 1
 155                 d_start
 156                 echo "."
 157                 ;;
 158         *)
 159                 echo "Usage: $0 {start|stop|restart|force-reload}" >&2
 160                 exit 1
 161                 ;;
 162 esac
 163
 164 exit 0
 165
 166 # vim: syntax=sh noexpandtab sw=4 ts=4 :
 167