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node_exporter init script
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#!/bin/bash | |
# | |
# | |
# | |
# Start on runlevels 3, 4 and 5. Start late, kill early. | |
# chkconfig: 345 95 05 | |
# | |
# | |
#!/bin/bash | |
# absolute path to executable binary | |
progpath='/usr/sbin/node_exporter' | |
# arguments to script | |
opts='' | |
# binary program name | |
prog=$(basename $progpath) | |
# pid file | |
pidfile="/var/run/${prog}.pid" | |
# make sure full path to executable binary is found | |
! [ -x $progpath ] && echo "$progpath: executable not found" && exit 1 | |
eval_cmd() { | |
local rc=$1 | |
if [ $rc -eq 0 ]; then | |
echo '[ OK ]' | |
else | |
echo '[FAILED]' | |
fi | |
return $rc | |
} | |
start() { | |
# see if running | |
local pids=$(pgrep $prog) | |
if [ -n "$pids" ]; then | |
echo "$prog (pid $pids) is already running" | |
return 0 | |
fi | |
printf "%-50s%s" "Starting $prog: " '' | |
$progpath $opts & | |
# save pid to file if you want | |
echo $! > $pidfile | |
# check again if running | |
pgrep $prog >/dev/null 2>&1 | |
eval_cmd $? | |
} | |
stop() { | |
# see if running | |
local pids=$(pgrep $prog) | |
if [ -z "$pids" ]; then | |
echo "$prog not running" | |
return 0 | |
fi | |
printf "%-50s%s" "Stopping $prog: " '' | |
rm -f $pidfile | |
kill -9 $pids | |
eval_cmd $? | |
} | |
status() { | |
# see if running | |
local pids=$(pgrep $prog) | |
if [ -n "$pids" ]; then | |
echo "$prog (pid $pids) is running" | |
else | |
echo "$prog is stopped" | |
fi | |
} | |
case $1 in | |
start) | |
start | |
;; | |
stop) | |
stop | |
;; | |
status) | |
status | |
;; | |
restart) | |
stop | |
sleep 1 | |
start | |
;; | |
*) | |
echo "Usage: $0 {start|stop|status|restart}" | |
exit 1 | |
esac | |
exit $? |
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