all: 
  children:
    cluster:
      children:
        manager:
          hosts:
            compute000:
        workers:
          children:
            compute:
              hosts:
                compute003:
            gpus:
              hosts:
                compute002:
                compute004:
                #compute005:
      vars:
        single_node: false
        manager_ip: 10.0.0.100