The Things Network MQTT consumer for Telegraf (Influx)

telegraf.conf

# output DB 
[[outputs.influxdb]]
  urls = ["http://localhost:8086"]
  database = "{database-name}"
  username = ""
  password = ""
  retention_policy = ""
  write_consistency = "any"
  timeout = "5s"

# Read metrics from MQTT topic(s)
[[inputs.mqtt_consumer]]
  servers = ["tcp://eu.thethings.network:1883"]
  qos = 0
  connection_timeout = "30s"
  topics = [
    "{app-id}/devices/+/up"
  ]
  persistent_session = false
  client_id = ""
  username = "{app-id}"
  password = "{access-key}"
  data_format = "json"
  tag_keys = [
    "dev_id"
  ]