upgrade.yaml

---
- name: Create inventory dinamically
  hosts: localhost
  pre_tasks:
    - name: Set variables
      set_fact:
        state: present

  roles:
    - openstack-master

- name: Upgrade K8S
  hosts: master
  become: true
  tasks:
    - name: upgrade kubeadm binary manually
      get_url:
        url: https://dl.k8s.io/release/{{ kubernetes_version }}/bin/linux/amd64/kubeadm
        dest:  /usr/bin/kubeadm
        mode: 755
        force: yes

# TODO: implement a check that we really upgraded kubeadm
#    - name: Check kubeadm version
#      shell: kubeadm version
#      register: kubeadminversion
#
#    - name: Fail
#      fail:
#        msg: wrong version
#      when: kubeadminversion.stdout | search( "{{ kubernetes_version }}" )

# TODO: is running this command really needed or is just informative ?
#    - name:
#      shell: kubeadm upgrade plan

    - name: Run kubeadm upgrade
      shell: sudo kubeadm upgrade apply {{ kubernetes_version }} -y