Patrick Williams | b48b7b4 | 2016-08-17 15:04:38 -0500 | [diff] [blame^] | 1 | #!/bin/sh |
| 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 | . /etc/init.d/functions |
| 26 | |
| 27 | export PATH=/sbin:/bin:/usr/sbin:/usr/bin |
| 28 | |
| 29 | DISABLE=0 |
| 30 | |
| 31 | NAME=collectd |
| 32 | DAEMON=/usr/sbin/collectd |
| 33 | |
| 34 | CONFIGFILE=/etc/collectd.conf |
| 35 | PIDFILE=/var/run/collectd.pid |
| 36 | |
| 37 | USE_COLLECTDMON=1 |
| 38 | COLLECTDMON_DAEMON=/usr/sbin/collectdmon |
| 39 | COLLECTDMON_PIDFILE=/var/run/collectdmon.pid |
| 40 | |
| 41 | MAXWAIT=30 |
| 42 | |
| 43 | # Gracefully exit if the package has been removed. |
| 44 | test -x $DAEMON || exit 0 |
| 45 | |
| 46 | if [ -r /etc/default/$NAME ]; then |
| 47 | . /etc/default/$NAME |
| 48 | fi |
| 49 | |
| 50 | if test "$ENABLE_COREFILES" == 1; then |
| 51 | ulimit -c unlimited |
| 52 | fi |
| 53 | |
| 54 | if test "$USE_COLLECTDMON" == 1; then |
| 55 | _PIDFILE="$COLLECTDMON_PIDFILE" |
| 56 | else |
| 57 | _PIDFILE="$PIDFILE" |
| 58 | fi |
| 59 | |
| 60 | # return: |
| 61 | # 0 if config is fine |
| 62 | # 1 if there is a syntax error |
| 63 | # 2 if there is no configuration |
| 64 | check_config() { |
| 65 | if test ! -e "$CONFIGFILE"; then |
| 66 | return 2 |
| 67 | fi |
| 68 | if ! $DAEMON -t -C "$CONFIGFILE"; then |
| 69 | return 1 |
| 70 | fi |
| 71 | return 0 |
| 72 | } |
| 73 | |
| 74 | # return: |
| 75 | # 0 if the daemon has been started |
| 76 | # 1 if the daemon was already running |
| 77 | # 2 if the daemon could not be started |
| 78 | # 3 if the daemon was not supposed to be started |
| 79 | d_start() { |
| 80 | if test "$DISABLE" != 0; then |
| 81 | # we get here during restart |
| 82 | echo "disabled by /etc/default/$NAME" |
| 83 | return 3 |
| 84 | fi |
| 85 | |
| 86 | if test ! -e "$CONFIGFILE"; then |
| 87 | # we get here during restart |
| 88 | echo "disabled, no configuration ($CONFIGFILE) found" |
| 89 | return 3 |
| 90 | fi |
| 91 | |
| 92 | check_config |
| 93 | rc="$?" |
| 94 | if test "$rc" -ne 0; then |
| 95 | echo "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 | return 0 |
| 109 | } |
| 110 | |
| 111 | still_running_warning=" |
| 112 | WARNING: $NAME might still be running. |
| 113 | In large setups it might take some time to write all pending data to |
| 114 | the disk. You can adjust the waiting time in /etc/default/collectd." |
| 115 | |
| 116 | # return: |
| 117 | # 0 if the daemon has been stopped |
| 118 | # 1 if the daemon was already stopped |
| 119 | # 2 if daemon could not be stopped |
| 120 | d_stop() { |
| 121 | PID=$( cat "$_PIDFILE" 2> /dev/null ) || true |
| 122 | |
| 123 | start-stop-daemon --stop --quiet --oknodo --pidfile "$_PIDFILE" |
| 124 | rc="$?" |
| 125 | |
| 126 | if test "$rc" -eq 2; then |
| 127 | return 2 |
| 128 | fi |
| 129 | |
| 130 | sleep 1 |
| 131 | if test -n "$PID" && kill -0 $PID 2> /dev/null; then |
| 132 | i=0 |
| 133 | while kill -0 $PID 2> /dev/null; do |
| 134 | i=$(( $i + 2 )) |
| 135 | echo -n " ." |
| 136 | |
| 137 | if test $i -gt $MAXWAIT; then |
| 138 | echo "$still_running_warning" |
| 139 | return 2 |
| 140 | fi |
| 141 | |
| 142 | sleep 2 |
| 143 | done |
| 144 | return "$rc" |
| 145 | fi |
| 146 | return "$rc" |
| 147 | } |
| 148 | |
| 149 | # return: |
| 150 | # 0 if the daemon is running |
| 151 | # 3 if the daemon is stopped |
| 152 | d_status(){ |
| 153 | if test "$USE_COLLECTDMON" == 1; then |
| 154 | status $COLLECTDMON_DAEMON |
| 155 | else |
| 156 | status $DAEMON |
| 157 | fi |
| 158 | } |
| 159 | |
| 160 | case "$1" in |
| 161 | start) |
| 162 | echo -n "Starting $NAME" |
| 163 | d_start |
| 164 | case "$?" in |
| 165 | 0|1) echo "." ;; |
| 166 | *) exit 1 ;; |
| 167 | esac |
| 168 | ;; |
| 169 | stop) |
| 170 | echo -n "Stopping $NAME" |
| 171 | d_stop |
| 172 | case "$?" in |
| 173 | 0|1) echo "." ;; |
| 174 | *) exit 1 ;; |
| 175 | esac |
| 176 | ;; |
| 177 | status) |
| 178 | d_status |
| 179 | ;; |
| 180 | restart|force-reload) |
| 181 | echo -n "Restarting $NAME" |
| 182 | check_config |
| 183 | rc="$?" |
| 184 | if test "$rc" -eq 1; then |
| 185 | echo "not restarting, configuration error" |
| 186 | exit 1 |
| 187 | fi |
| 188 | d_stop |
| 189 | rc="$?" |
| 190 | case "$rc" in |
| 191 | 0|1) |
| 192 | sleep 1 |
| 193 | d_start |
| 194 | rc2="$?" |
| 195 | case "$rc2" in |
| 196 | 0|1) echo "." ;; |
| 197 | *) exit 1 ;; |
| 198 | esac |
| 199 | ;; |
| 200 | *) |
| 201 | exit 1 |
| 202 | ;; |
| 203 | esac |
| 204 | ;; |
| 205 | *) |
| 206 | echo "Usage: $0 {start|stop|restart|force-reload|status}" >&2 |
| 207 | exit 3 |
| 208 | ;; |
| 209 | esac |
| 210 | |
| 211 | # vim: syntax=sh noexpandtab sw=4 ts=4 : |
| 212 | |