text: etcd 
  nodes 
  lb 
  
  # host group for masters 
  [masters] 
  mstnode0[1:3].domain.example.com 
  
  # host group for etcd 
  [etcd] 
  mstnode0[1:3].domain.example.com 
  
  # Specify load balancer host 
  [lb] 
  lbsnode01.domain.example.com 