---
  all:
    children:
      services:
        hosts:
          ubuntu.dnaclab.net:
      telemetry:
        hosts:
          telemetry.dnaclab.net:
      developer:
        hosts:
          developer.dnaclab.net:
      gitlab:
        hosts:
          gitlab.dnaclab.net:
      test:
        hosts:
          test.dnaclab.net:
      all_servers:
        hosts:
          ubuntu.dnaclab.net:
          telemetry.dnaclab.net:
          developer.dnaclab.net:
          gitlab.dnaclab.net: