---
- name: Create the kubernetes cluster using kubeadm
  hosts: masters
  become: true
  tasks:
  - name: Check for admin.conf from kubeadm
    stat: path=/etc/kubernetes/admin.conf
    register: admin_conf
  - set_fact:
      running: admin_conf.stat.exists

  - name: Create kubeadm join command
    shell: kubeadm token create --print-join-command
    register: results
    when: admin_conf.stat.exists == true
  - debug:
      var: results.stdout
    when: admin_conf.stat.exists == true
  - set_fact:
      token: "{{ results.stdout | regex_search(regexp, '\\2') | first }}"
    vars:
      regexp: '([^\s]+\s){4}([^\s]+)'
    when: admin_conf.stat.exists == true
  - debug:
      var: token
    when: admin_conf.stat.exists == true
  - set_fact:
      hash: "{{ results.stdout | regex_search(regexp, '\\1') | first }}"
    vars:
      regexp: '--discovery-token-ca-cert-hash ([^\s]+\s)'
    when: admin_conf.stat.exists == true
  - debug:
      var: hash
    when: admin_conf.stat.exists == true