Publish temperatures from owfs server to MQTT / collectd

publish-owfs-mqtt.sh

#!/bin/bash

publish_owfs_mqtt () {
  temperature=$(owget $1/temperature)
  stripped=${temperature//[[:blank:]]/}
  timestamp=$(date +%s)

  mosquitto_pub \
    --host "mqtt.aelius.co.uk" \
    --topic "node-red/star.aelius.co.uk/mqtt/temperature-$2" \
    --message "$timestamp:$stripped" \
    --retain \
    --qos 1
}

publish_owfs_mqtt "28.306D9C030000" "pond"
publish_owfs_mqtt "28.AE6108030000" "shed"
publish_owfs_mqtt "28.537FEE020000" "outside"