---
- name: Create the kubernetes cluster using kubeadm
  hosts: gcp_first_master_true
  become: true
  tasks:
  - name: Create kubeadm join command
    shell: kubeadm token create --print-join-command
    register: results
  - debug:
      var: results.stdout
  - set_fact:
      running: true
  - set_fact:
      token: "{{ results.stdout | regex_search(regexp, '\\2') | first }}"
    vars:
      regexp: '([^\s]+\s){4}([^\s]+)'
  - debug:
      var: token
  - set_fact:
      hash: "{{ results.stdout | regex_search(regexp, '\\1') | first }}"
    vars:
      regexp: '--discovery-token-ca-cert-hash ([^\s]+)'
  - debug:
      var: hash

- name: Set up worker nodes
  hosts: gcp_k8s_role_worker
  become: true
  tasks:
  - name: Install kubernetes on nodes
    command: kubeadm join "{{ hostvars[item]['ansible_eth0']['ipv4']['address'] }}":6443 --token "{{ hostvars[item]['token'] }}" --discovery-token-ca-cert-hash "{{ hostvars[item]['hash'] }}"
    when: hostvars[item]['running'] == true
    with_items: "{{ groups['gcp_first_master_true'] }}"
    register: join_output
  - debug:
      var: join_output.stdout