debian/collectd-core.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) 2006-2009 Sebastian Harl <tokkee@debian.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 cpufrequtils
  15 # Should-Stop:       $network $named $syslog
  16 # Default-Start:     2 3 4 5
  17 # Default-Stop:      0 1 6
  18 # Short-Description: manage the statistics collection daemon
  19 # Description:       collectd is the statistics collection daemon.
  20 #                    It is a small daemon which collects system information
  21 #                    periodically and provides mechanisms to monitor and store
  22 #                    the values in a variety of ways.
  23 ### END INIT INFO
  24
  25 set -e
  26
  27 . /lib/lsb/init-functions
  28
  29 export PATH=/sbin:/bin:/usr/sbin:/usr/bin
  30
  31 DISABLE=0
  32
  33 DESC="statistics collection and monitoring daemon"
  34 NAME=collectd
  35 DAEMON=/usr/sbin/collectd
  36
  37 CONFIGFILE=/etc/collectd/collectd.conf
  38 PIDFILE=/var/run/collectd.pid
  39
  40 USE_COLLECTDMON=1
  41 COLLECTDMON_DAEMON=/usr/sbin/collectdmon
  42 COLLECTDMON_PIDFILE=/var/run/collectdmon.pid
  43
  44 MAXWAIT=30
  45
  46 # Gracefully exit if the package has been removed.
  47 test -x $DAEMON || exit 0
  48
  49 if [ -r /etc/default/$NAME ]; then
  50         . /etc/default/$NAME
  51 fi
  52
  53 if test "$DISABLE" != 0 -a "$1" == "start"; then
  54         log_warning_msg "Not starting $DESC, disabled by /etc/default/$NAME."
  55         exit 0
  56 fi
  57
  58 if test ! -e "$CONFIGFILE" -a "$1" == "start"; then
  59         log_warning_msg "Not starting $DESC, no configuration ($CONFIGFILE) found."
  60         exit 0
  61 fi
  62
  63 if test "$ENABLE_COREFILES" == 1; then
  64         ulimit -c unlimited
  65 fi
  66
  67 if test "$USE_COLLECTDMON" == 1; then
  68         _PIDFILE="$COLLECTDMON_PIDFILE"
  69 else
  70         _PIDFILE="$PIDFILE"
  71 fi
  72
  73 check_config() {
  74         if ! $DAEMON -t -C "$CONFIGFILE"; then
  75                 return 1
  76         fi
  77 }
  78
  79 d_start() {
  80         if test "$DISABLE" != 0; then
  81                 # we get here during restart
  82                 log_progress_msg "disabled by /etc/default/$NAME"
  83                 return 2
  84         fi
  85
  86         if test ! -e "$CONFIGFILE"; then
  87                 # we get here during restart
  88                 log_progress_msg "disabled, no configuration ($CONFIGFILE) found"
  89                 return 2
  90         fi
  91
  92         check_config
  93         rc="$?"
  94         if test "$rc" -eq 1; then
  95                 log_progress_msg "not starting, configuration error"
  96                 return 2
  97         fi
  98
  99         if test "$USE_COLLECTDMON" == 1; then
 100                 start-stop-daemon --start --quiet --oknodo --pidfile "$_PIDFILE" \
 101                         --exec $COLLECTDMON_DAEMON -- -P "$_PIDFILE" -- -C "$CONFIGFILE" \
 102                         || return 2
 103         else
 104                 start-stop-daemon --start --quiet --oknodo --pidfile "$_PIDFILE" \
 105                         --exec $DAEMON -- -C "$CONFIGFILE" -P "$_PIDFILE" \
 106                         || return 2
 107         fi
 108 }
 109
 110 still_running_warning="
 111 WARNING: $NAME might still be running.
 112 In large setups it might take some time to write all pending data to
 113 the disk. You can adjust the waiting time in /etc/default/collectd."
 114
 115 d_stop() {
 116         PID=$( cat "$_PIDFILE" 2> /dev/null ) || true
 117
 118         start-stop-daemon --stop --quiet --oknodo --pidfile "$_PIDFILE"
 119         rc="$?"
 120
 121         if test "$rc" -eq 2; then
 122                 return 2
 123         fi
 124
 125         sleep 1
 126         if test -n "$PID" && kill -0 $PID 2> /dev/null; then
 127                 i=0
 128                 while kill -0 $PID 2> /dev/null; do
 129                         i=$(( $i + 2 ))
 130                         echo -n " ."
 131
 132                         if test $i -gt $MAXWAIT; then
 133                                 log_progress_msg "$still_running_warning"
 134                                 return 2
 135                         fi
 136
 137                         sleep 2
 138                 done
 139                 return "$rc"
 140         fi
 141         return "$rc"
 142 }
 143
 144 case "$1" in
 145         start)
 146                 log_daemon_msg "Starting $DESC" "$NAME"
 147                 d_start
 148                 case "$?" in
 149                         0|1) log_end_msg 0 ;;
 150                         2) log_end_msg 1 ;;
 151                 esac
 152                 ;;
 153         stop)
 154                 log_daemon_msg "Stopping $DESC" "$NAME"
 155                 d_stop
 156                 case "$?" in
 157                         0|1) log_end_msg 0 ;;
 158                         2) log_end_msg 1 ;;
 159                 esac
 160                 ;;
 161         status)
 162                 status_of_proc -p "$_PIDFILE" "$DAEMON" "$NAME" && exit 0 || exit $?
 163                 ;;
 164         restart|force-reload)
 165                 log_daemon_msg "Restarting $DESC" "$NAME"
 166                 check_config
 167                 rc="$?"
 168                 if test "$rc" -eq 1; then
 169                         log_progress_msg "not restarting, configuration error"
 170                         log_end_msg 1
 171                         exit 1
 172                 fi
 173                 d_stop
 174                 rc="$?"
 175                 case "$rc" in
 176                         0|1)
 177                                 sleep 1
 178                                 d_start
 179                                 rc2="$?"
 180                                 case "$rc2" in
 181                                         0) log_end_msg 0 ;;
 182                                         *) log_end_msg 1 ;;
 183                                 esac
 184                                 ;;
 185                         *)
 186                                 log_end_msg 1
 187                                 ;;
 188                 esac
 189                 ;;
 190         *)
 191                 echo "Usage: $0 {start|stop|restart|force-reload|status}" >&2
 192                 exit 3
 193                 ;;
 194 esac
 195
 196 exit 0
 197
 198 # vim: syntax=sh noexpandtab sw=4 ts=4 :
 199