terraform-k8s/3-kubeadm-init.yml

---
- hosts: k8s-masters
  remote_user: hybris
  become: yes

  tasks:
    - name: initialize kubernetes master
      shell: kubeadm init --apiserver-advertise-address=2001:470:6d:22c:42::1 --pod-network-cidr=2001:470:6d:22c::/64
      delegate_to: k8s-master.e2m
      run_once: yes

    - shell: kubeadm token create --print-join-command
      register: results

    - debug:
        var: results.stdout

    - set_fact:
        k8s_token: "{{ results.stdout | regex_search(regexp, '\\2') | first }}"
      vars:
        regexp: '([^\s]+\s){4}([^\s]+)'

    - debug:
        var: k8s_token

    - set_fact:
        k8s_ca_cert_hash: "{{ results.stdout | regex_search(regexp, '\\2') | first }}"
      vars:
        regexp: '([^\s]+\s){6}([^\s]+)'

    - debug:
        var: k8s_ca_cert_hash

    - name: join nodes to cluster
      shell: kubeadm join [2001:470:6d:22c:42::1]:6443 --token {{ k8s_token }} --discovery-token-ca-cert-hash sha256:{{ k8s_ca_cert_hash }}
      delegate_to: "{{ item }}"
      with_items: "{{ k8s-nodes }}"