---
- hosts: control-plane
  name: "Export token hash and IPPORT for node to join"
 
  tasks:
    - name: "Cluster token"
      shell: kubeadm token list | cut -d ' ' -f1 | sed -n '2p'
      register: K8S_TOKEN

    - name: "CA Hash"
      shell: openssl x509 -pubkey -in /etc/kubernetes/pki/ca.crt | openssl rsa -pubin -outform der 2>/dev/null | openssl dgst -sha256 -hex | sed 's/^.* //'
      register: K8S_MASTER_CA_HASH

    - name: "IP and port"
      shell: kubectl cluster-info | sed "s,\x1B\[[0-9;]*[a-zA-Z],,g" | cut -d ' ' -f 7 | sed -n '1p' | cut -c 9-
      register: K8S_IP_PORT

    - name: "Add K8S Token and Hash to dummy host"
      add_host:
        name:   "K8S_TOKEN_HOLDER"
        token:  "{{ K8S_TOKEN.stdout }}"
        hash:   "{{ K8S_MASTER_CA_HASH.stdout }}"
        ipport: "{{ K8S_IP_PORT.stdout }}"

    - name:
      debug:
        msg: "[Master] K8S_TOKEN_HOLDER K8S token is {{ hostvars['K8S_TOKEN_HOLDER']['token'] }}"

    - name:
      debug:
        msg: "[Master] K8S_TOKEN_HOLDER K8S Hash is  {{ hostvars['K8S_TOKEN_HOLDER']['hash'] }}"
    
    - name:
      debug:
        msg: "[Master] K8S_TOKEN_HOLDER K8S IP and port is  {{ hostvars['K8S_TOKEN_HOLDER']['ipport'] }}"