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 #
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: 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
25 set -e
27 PATH=/sbin:/bin:/usr/sbin:/usr/bin
29 DISABLE=0
31 DESC="statistics collection and monitoring daemon"
32 NAME=collectd
33 DAEMON=/usr/sbin/collectd
35 CONFIGFILE=/etc/collectd/collectd.conf
36 PIDFILE=/var/run/collectd.pid
38 USE_COLLECTDMON=1
39 COLLECTDMON_DAEMON=/usr/sbin/collectdmon
40 COLLECTDMON_PIDFILE=/var/run/collectdmon.pid
42 MAXWAIT=30
44 # Gracefully exit if the package has been removed.
45 test -x $DAEMON || exit 0
47 if [ -r /etc/default/$NAME ]; then
48 . /etc/default/$NAME
49 fi
51 if test "$DISABLE" != 0 -a "$1" == "start"; then
52 echo "$NAME has been disabled - see /etc/default/$NAME."
53 exit 0
54 fi
56 if test ! -e "$CONFIGFILE" -a "$1" == "start"; then
57 echo "Not starting $NAME - no configuration ($CONFIGFILE) found."
58 exit 0
59 fi
61 if test "$ENABLE_COREFILES" == 1; then
62 ulimit -c unlimited
63 fi
65 if test "$USE_COLLECTDMON" == 1; then
66 _PIDFILE="$COLLECTDMON_PIDFILE"
67 else
68 _PIDFILE="$PIDFILE"
69 fi
71 check_config() {
72 if ! $DAEMON -t -C "$CONFIGFILE"; then
73 if test -n "$1"; then
74 echo "$1" >&2
75 fi
76 exit 1
77 fi
78 }
80 d_start() {
81 if test "$DISABLE" != 0; then
82 # we get here during restart
83 echo -n " - disabled by /etc/default/$NAME"
84 return 0
85 fi
87 if test ! -e "$CONFIGFILE"; then
88 # we get here during restart
89 echo -n " - no configuration ($CONFIGFILE) found."
90 return 0
91 fi
93 check_config
95 if test "$USE_COLLECTDMON" == 1; then
96 start-stop-daemon --start --quiet --oknodo --pidfile "$_PIDFILE" \
97 --exec $COLLECTDMON_DAEMON -- -P "$_PIDFILE" -- -C "$CONFIGFILE"
98 else
99 start-stop-daemon --start --quiet --oknodo --pidfile "$_PIDFILE" \
100 --exec $DAEMON -- -C "$CONFIGFILE" -P "$_PIDFILE"
101 fi
102 }
104 still_running_warning="
105 WARNING: $NAME might still be running.
106 In large setups it might take some time to write all pending data to
107 the disk. You can adjust the waiting time in /etc/default/collectd."
109 d_stop() {
110 PID=$( cat "$_PIDFILE" 2> /dev/null ) || true
112 start-stop-daemon --stop --quiet --oknodo --pidfile "$_PIDFILE"
114 sleep 1
115 if test -n "$PID" && kill -0 $PID 2> /dev/null; then
116 i=0
117 while kill -0 $PID 2> /dev/null; do
118 i=$(( $i + 2 ))
119 echo -n " ."
121 if test $i -gt $MAXWAIT; then
122 echo "$still_running_warning" >&2
123 return 1
124 fi
126 sleep 2
127 done
128 return 0
129 fi
130 }
132 d_status() {
133 PID=$( cat "$_PIDFILE" 2> /dev/null ) || true
135 if test -n "$PID" && kill -0 $PID 2> /dev/null; then
136 echo "collectd ($PID) is running."
137 exit 0
138 else
139 PID=$( pidof collectd ) || true
141 if test -n "$PID"; then
142 echo "collectd ($PID) is running."
143 exit 0
144 else
145 echo "collectd is stopped."
146 fi
147 fi
148 exit 1
149 }
151 case "$1" in
152 start)
153 echo -n "Starting $DESC: $NAME"
154 d_start
155 echo "."
156 ;;
157 stop)
158 echo -n "Stopping $DESC: $NAME"
159 d_stop
160 echo "."
161 ;;
162 status)
163 d_status
164 ;;
165 restart|force-reload)
166 echo -n "Restarting $DESC: $NAME"
167 check_config "Not restarting collectd."
168 d_stop
169 sleep 1
170 d_start
171 echo "."
172 ;;
173 *)
174 echo "Usage: $0 {start|stop|restart|force-reload|status}" >&2
175 exit 1
176 ;;
177 esac
179 exit 0
181 # vim: syntax=sh noexpandtab sw=4 ts=4 :