#!/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