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: 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/$NAME."
49 exit 0
50 fi
52 if test ! -e "$CONFIGFILE" -a "$1" == "start"; then
53 echo "Not starting $NAME - no configuration ($CONFIGFILE) found."
54 exit 0
55 fi
57 if test "$ENABLE_COREFILES" == 1; then
58 ulimit -c unlimited
59 fi
61 if test "$USE_COLLECTDMON" == 1; then
62 _PIDFILE="$COLLECTDMON_PIDFILE"
63 else
64 _PIDFILE="$PIDFILE"
65 fi
67 check_config() {
68 if ! $DAEMON -t -C "$CONFIGFILE"; then
69 if test -n "$1"; then
70 echo "$1" >&2
71 fi
72 exit 1
73 fi
74 }
76 d_start() {
77 if test "$DISABLE" != 0; then
78 # we get here during restart
79 echo -n " - disabled by /etc/default/$NAME"
80 return 0
81 fi
83 if test ! -e "$CONFIGFILE"; then
84 # we get here during restart
85 echo -n " - no configuration ($CONFIGFILE) found."
86 return 0
87 fi
89 check_config
91 if test "$USE_COLLECTDMON" == 1; then
92 start-stop-daemon --start --quiet --oknodo --pidfile "$_PIDFILE" \
93 --exec $COLLECTDMON_DAEMON -- -P "$_PIDFILE" -- -C "$CONFIGFILE"
94 else
95 start-stop-daemon --start --quiet --oknodo --pidfile "$_PIDFILE" \
96 --exec $DAEMON -- -C "$CONFIGFILE" -P "$_PIDFILE"
97 fi
98 }
100 still_running_warning="
101 WARNING: $NAME might still be running.
102 In large setups it might take some time to write all pending data to
103 the disk. You can adjust the waiting time in /etc/default/collectd."
105 d_stop() {
106 PID=$( cat "$_PIDFILE" 2> /dev/null ) || true
108 start-stop-daemon --stop --quiet --oknodo --pidfile "$_PIDFILE"
110 sleep 1
111 if test -n "$PID" && kill -0 $PID 2> /dev/null; then
112 i=0
113 while kill -0 $PID 2> /dev/null; do
114 i=$(( $i + 2 ))
115 echo -n " ."
117 if test $i -gt $MAXWAIT; then
118 echo "$still_running_warning" >&2
119 return 1
120 fi
122 sleep 2
123 done
124 return 0
125 fi
126 }
128 d_status() {
129 PID=$( cat "$_PIDFILE" 2> /dev/null ) || true
131 if test -n "$PID" && kill -0 $PID 2> /dev/null; then
132 echo "collectd ($PID) is running."
133 exit 0
134 else
135 PID=$( pidof collectd ) || true
137 if test -n "$PID"; then
138 echo "collectd ($PID) is running."
139 exit 0
140 else
141 echo "collectd is stopped."
142 fi
143 fi
144 exit 1
145 }
147 case "$1" in
148 start)
149 echo -n "Starting $DESC: $NAME"
150 d_start
151 echo "."
152 ;;
153 stop)
154 echo -n "Stopping $DESC: $NAME"
155 d_stop
156 echo "."
157 ;;
158 status)
159 d_status
160 ;;
161 restart|force-reload)
162 echo -n "Restarting $DESC: $NAME"
163 check_config "Not restarting collectd."
164 d_stop
165 sleep 1
166 d_start
167 echo "."
168 ;;
169 *)
170 echo "Usage: $0 {start|stop|restart|force-reload|status}" >&2
171 exit 1
172 ;;
173 esac
175 exit 0
177 # vim: syntax=sh noexpandtab sw=4 ts=4 :