# [optional] to synchronize time of nodes with 'chrony' 
- hosts: all
  roles:
  - { role: chrony, when: "hostvars[groups.deploy[0]]['NTP_ENABLED'] == 'yes'" }

# to create CA, kubeconfig, kube-proxy.kubeconfig etc. on 'deploy' node
- hosts: deploy
  roles:
  - deploy

# prepare tasks for all nodes
- hosts:
  - kube-master
  - kube-node
  - deploy
  - etcd
  - lb
  roles:
  - prepare

#  [optional] to install loadbalance service, only needed by multi-master cluster 
- hosts: lb
  roles:
  - lb