workers-cluster.yml

- hosts: Kubernetes_Master
  become: yes
  gather_facts: false
  tasks:
    - name: get join command
      shell: kubeadm token create --print-join-command
      register: join_command_raw

    - name: Register dummy host with variable It Access In Next Play
      add_host:
       name: "DUMMY_HOST"
       JOIN_COMMAND: " {{ join_command_raw.stdout }}"


- hosts: Kubernetes_Worker
  become: yes
  tasks:
    - name: join cluster
      shell: "{{ hostvars['DUMMY_HOST']['JOIN_COMMAND'] }} >> node_joined.txt"
      args:
        chdir: $HOME
        creates: node_joined.txt