sample_settings.yml.j2

{{ ansible_managed }}
# Default settings
---
General:
  Interval: 60

InfluxDB:
# avoid using 'localhost' when this is deployed to be used by get_metrics.py
# running in docker container
  Host: {{ influx_db_host }}
  Port: 8086
  Bucket: sensor
  API_TOKEN: '{{ influxdb_token }}'
  Org: neofob

# A node can have more than one sensors
# Example:
# http://192.168.1.2:8000/NODE_KEY&Stats/json
# {
#  "API": {
#    "Version": "200"
#  },
#  "Stats": {
#    "Temp": "82.09F",
#    "Humi": "38.41%",
#    "Press (inHg)": "29.74"
#  }
#}
# Measurement: Air
# Tags: location
# Fields: temperature, humidity, pressure
    # field to to be used in influxdb ingestion
    # we know that we only need to chomp 1 char for now
    # (r.json()["Stats"]["Temp"][:-1]

#<begin>------cut-here-------->
Nodes:
  Soil:
    Host: 192.168.42.2
    Port: 8080
    Key: badbeef
    Endpoint: "&Stats/json"
    Metric: Stats
    Measurement: Air
    Tag:
      location: Garden
    Fields:
      Temp1:
        field: temperature
        chomp: true
        tags:
          lot: East
       Temp2:
        field: temperature
        chomp: true
        tags:
          lot: West
        Temp3:
        field: temperature
        chomp: true
        tags:
          lot: South
#</end>------cut-here-------->


# TODO: Use some sort of dictionary squash keys into key1_key2: value
# Then generate the output based on that

# indent=0; preformatted text
{% filter indent(width=0) %}
Nodes:
{% for node_name, item in Nodes.item() -%}
  {{ node_name }}:
    Host: {{ item.Host }}
    Port: {{ item.Port }}
    Key: {{ item.Key }}
    Endpoint: {{ item.Endpoint }}
    Metric: {{ item.Metric }}
    Measurement: {{ item.Measurement }}
    # You can get creative here with tags
    # Tags applied to all Fields; "Temp", "Humi", "Press (inHg)" for example.
    Tags:
      # key: value
      location: {{ item.Tags.location }}
    # 
    Fields:
      # field name of sensor metrics
      Temp1:
        Tags:
          lot: {{ item.Fields.Temp1.tags.lot }}
        field: temperature
        chomp: true
      Temp2:
        Tags:
          lot: {{ item.Fields.Temp2.tags.lot }}
        field: temperature
        chomp: true
      Temp3:
        Tags:
          lot: {{ item.Fields.Temp3.tags.lot }}
        field: temperature
        chomp: true
{% endfor %}
{% endfilter %}