firmware/src/packages/fff/fff-mqtt-monitoring/files/usr/sbin/json-mqtt-proxy

#!/bin/sh
MACADDR=$(cat /sys/class/net/br-client/address | /bin/sed 's/://g')

if [ -n "$(uci -q get fff.mqtt.server)" ] ; then
	mosquitto_pub -h "$(uci get fff.mqtt.server)" -p 1883 -t /monitoring/v2/$MACADDR -m "$(cat /tmp/nodewatcher.json)"
fi