source:
  type:               file
  path:               /tmp/fabric-usage.log

#source:
#  type:                 websocket
#  websocket_endpoint:   wss://127.0.0.1:1280/fabric/v1/ws-api
#  api_endpoint:         https://127.0.0.1:1280
#  username:             admin
#  password:             ""