node_exporter.sh

#!/bin/sh

# node_exporter.sh --node_exporter start script

### BEGIN INIT INFO

# Provides: node_exporter

# Required-Start: $local_fs $network $named $time $syslog

# Required-Stop: $local_fs $network $named $time $syslog

# Default-Start: 2 3 4 5

# Default-Stop: 0 1 6

# Description:

### END INIT INFO

SCRIPT=/opt/node_exporter/node_exporter.sh

RUNAS=root

PIDFILE=/var/run/node_exporter.pid

LOGFILE=/var/log/node_exporter.log

start() {

if [ -f "$PIDFILE" ] && kill -0 $(cat "$PIDFILE"); then

echo 'Service already running' >&2

return 1

fi

echo 'Starting service…' >&2

local CMD="$SCRIPT &> \"$LOGFILE\" && echo \$! > $PIDFILE"

su -c "$CMD" $RUNAS > "$LOGFILE"

echo 'Service started' >&2

}

stop() {

if [ ! -f "$PIDFILE" ] || ! kill -0 $(cat "$PIDFILE"); then

echo 'Service not running' >&2

return 1

fi

echo 'Stopping service' >&2

kill -15 $(cat "$PIDFILE") && rm -f "$PIDFILE"

echo 'Service stopped' >&2

}

uninstall() {

echo -n "Are you really sure you want to uninstall this service? That cannot be undone. [yes|No] "

local SURE

read SURE

if [ "$SURE" = "yes" ]; then

stop

rm -f "$PIDFILE"

echo "Notice: log file is not be removed: '$LOGFILE'" >&2

update-rc.d -f remove

rm -fv "$0"

fi

}

case "$1" in

start)

start

;;

stop)

stop

;;

uninstall)

uninstall

;;

retart)

stop

start

;;

*)

echo "Usage: $0 {start|stop|restart|uninstall}"

esac

---------------------------

node_exporter启动：

/etc/init.d/node_exporter start

systemctl start node_exporter