node exporter openrc file alpine

#!/sbin/openrc-run

description="node_exporter"

: ${NODE_PIDFILE:=/var/run/node_exporter.pid}
: ${NODE_USER:=root}

depend() {
        need net
        need localmount
        use dns
        after firewall
}

start() {
        ebegin "Starting node_exporter"
        start-stop-daemon --wait 1000 --background --start --exec \
                /usr/sbin/node_exporter \
                --user ${NODE_USER} \
                --make-pidfile --pidfile ${NODE_PIDFILE} \
                -- && \
        chown ${NODE_USER}:root ${NODE_PIDFILE}
        eend $?
}

stop() {
        ebegin "Stopping node_exporter"
        start-stop-daemon --wait 5000 --stop --exec \
                /usr/sbin/node_exporter \
                --user ${NODE_USER} \
                --pidfile ${NODE_PIDFILE} \
                -s SIGQUIT
        eend $?
}