mqtt:
  host: "192.168.2.125"
  auth:                                            # Optional If included, username_pw_set() is called with user/password
    username: 'mqtt-exporter'                    # Required (when auth is present)
    password: 'XKk6725HrTpPW5zkWy9f'             # Optional

logging:
  level:    'debug'                                 # Optional default 'info'