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 #
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
21 set -e
23 PATH=/sbin:/bin:/usr/sbin:/usr/bin
25 DISABLE=0
27 DESC="statistics collection and monitoring daemon"
28 NAME=collectd
29 DAEMON=/usr/sbin/collectd
31 CONFIGFILE=/etc/collectd/collectd.conf
32 PIDFILE=/var/run/collectd.pid
34 USE_COLLECTDMON=1
35 COLLECTDMON_DAEMON=/usr/sbin/collectdmon
36 COLLECTDMON_PIDFILE=/var/run/collectdmon.pid
38 MAXWAIT=30
40 # Gracefully exit if the package has been removed.
41 test -x $DAEMON || exit 0
43 if [ -r /etc/default/$NAME ]; then
44 . /etc/default/$NAME
45 fi
47 if test "$DISABLE" != 0 -a "$1" == "start"; then
48 echo "$NAME has been disabled - see /etc/default/$NAME."
49 exit 0
50 fi
52 if test "$ENABLE_COREFILES" == 1; then
53 ulimit -c unlimited
54 fi
56 if test "$USE_COLLECTDMON" == 1; then
57 _PIDFILE="$COLLECTDMON_PIDFILE"
58 else
59 _PIDFILE="$PIDFILE"
60 fi
62 check_config() {
63 if ! $DAEMON -t -C "$CONFIGFILE"; then
64 if test -n "$1"; then
65 echo "$1" >&2
66 fi
67 exit 1
68 fi
69 }
71 d_start() {
72 if test "$DISABLE" != 0; then
73 # we get here during restart
74 echo -n " - disabled by /etc/default/$NAME"
75 return 0
76 fi
78 check_config
80 if test "$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 }
89 still_running_warning="
90 WARNING: $NAME might still be running.
91 In large setups it might take some time to write all pending data to
92 the disk. You can adjust the waiting time in /etc/default/collectd."
94 d_stop() {
95 PID=$( cat "$_PIDFILE" 2> /dev/null ) || true
97 start-stop-daemon --stop --quiet --oknodo --pidfile "$_PIDFILE"
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 " ."
106 if test $i -gt $MAXWAIT; then
107 echo "$still_running_warning" >&2
108 return 1
109 fi
111 sleep 2
112 done
113 return 0
114 fi
115 }
117 d_status() {
118 PID=$( cat "$_PIDFILE" 2> /dev/null ) || true
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=$( pidof collectd ) || true
126 if test -n "$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 }
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
164 exit 0
166 # vim: syntax=sh noexpandtab sw=4 ts=4 :