sample telegraf file for L7 PiCloud workshop

telegraf-sample.conf

# Telegraf Configuration

###############################################################################
#                Global settings - you don't need to edit these               #
###############################################################################

# Global tags can be specified here in key="value" format.
[global_tags]

# Configuration for telegraf agent
[agent]
  ## Default data collection interval for all inputs
  ## For the L7 PiCloud demo you dont need to change any these settings
  interval = "10s"
  round_interval = true
  metric_batch_size = 1000
  metric_buffer_limit = 10000
  collection_jitter = "0s"
  flush_interval = "10s"
  flush_jitter = "0s"
  precision = ""
  debug = false
  quiet = false
  logfile = ""
  ## Override default hostname, if empty use os.Hostname()
  hostname = ""
  ## If set to true, do no set the "host" tag in the telegraf agent.
  omit_hostname = false


###############################################################################
#                            OUTPUT PLUGINS                                   #
###############################################################################

[[outputs.influxdb_v2]] 
  urls = ["http://127.0.0.1:8086"]
  ## Token for authentication.
  token = "uA4qhE38xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxXSxW8uGn4ozeOmNx4HZQ=="
  ## Organization is the name of the organization you wish to write to; must exist.
  organization = "casa0014"
  ## Destination bucket to write into.
  bucket = "mqtt-data"


###############################################################################
#                            SERVICE INPUT PLUGINS                            #
###############################################################################
  
# -----   Weather Stations -----------------------------------
[[inputs.mqtt_consumer]]
  servers = ["tcp://mqtt.cetools.org:1883"]
  topics = [
    "UCL/OPS/Garden/WST/dvp2/loop"
  ]
  client_id = ""
  topic_tag = "weather-topics"
  data_format = "json"
  
  # Tell Telegraf to treat these quoted strings as fields instead of dropping them
  json_string_fields = [
    "outTemp_C", "inTemp_C", "pressure_mbar", "barometer_mbar", 
    "altimeter_mbar", "windSpeed_kph", "windDir", "outHumidity", 
    "inHumidity", "rainRate_cm_per_hour", "radiation_Wpm2", "UV",
    "windGust_kph", "dewpoint_C", "heatindex_C", "appTemp_C"
  ]

# Convert the stringified numbers into real numeric floats for InfluxDB and Grafana
[[processors.converter]]
  [processors.converter.fields]
    float = [
      "outTemp_C", "inTemp_C", "pressure_mbar", "barometer_mbar", 
      "altimeter_mbar", "windSpeed_kph", "windDir", "outHumidity", 
      "inHumidity", "rainRate_cm_per_hour", "radiation_Wpm2", "UV",
      "windGust_kph", "dewpoint_C", "heatindex_C", "appTemp_C"
    ]