# Config file for Mosquitto broker system metrics

# Metric definitions
metrics:
  - name:     'mqtt_broker'
    help:     'System events from broker'
    type:     'gauge'
    topic:    '$SYS/broker/#'
    label_configs:
      - source_labels:  ['__msg_topic__']
        target_label:   '__topic__'
      - source_labels:  ['__value__']
        regex:          '^(\d+([,.]\d*)?)$|^([,.]\d+)$'
        action:         'keep'

  - name:     'mqtt_broker_version'
    help:     'Mosquitto version (static)'
    type:     'gauge'
    topic:    '$SYS/broker/version'
    label_configs:
      - source_labels:  ['__msg_topic__']
        target_label:   '__topic__'
      - source_labels:  ['__value__']
        regex:          '^\D+((?:\d+[\.]?)+)$'
        target_label:   'version'
        replacement:    '\1'
        action:         'replace'
      - source_labels:  ['__value__']
        replacement:    '1'
        target_label:   '__value__'
        action:         'replace'

  - name:     'mqtt_broker_changeset'
    help:     'Mosquitto build changeset (static)'
    type:     'gauge'
    topic:    '$SYS/broker/changeset'
    label_configs:
      - source_labels:  ['__msg_topic__']
        target_label:   '__topic__'
      - source_labels:  ['__value__']
        target_label:   'changeset'
        action:         'replace'
      - source_labels:  ['__value__']
        replacement:    '1'
        target_label:   '__value__'
        action:         'replace'

  - name:     'mqtt_broker_timestamp'
    help:     'Mosquitto build timestamp (static)'
    type:     'gauge'
    topic:    '$SYS/broker/timestamp'
    label_configs:
      - source_labels:  ['__msg_topic__']
        target_label:   '__topic__'
      - source_labels:  ['__value__']
        target_label:   'timestamp'
        action:         'replace'
      - source_labels:  ['__value__']
        replacement:    '1'
        target_label:   '__value__'
        action:         'replace'