upgrade.yml

- hosts: master
  tasks:
    - name: Upgrade kubeadm
      apt:
        name: ['kubeadm']
        state: latest
        force: yes
        update_cache: yes
        autoclean: yes
        autoremove: yes

    - name: Determine latest stable version of Kubernetes
      shell: curl -sSL https://dl.k8s.io/release/stable.txt
      register: stable_ver
      args:
        warn: False

    - name: Upgrade cluster with kubeadm
      shell: "kubeadm upgrade apply -y {{ stable_ver.stdout }}"
      async: 600
      poll: 5

    - name: Cordon Hosts
      shell: "kubectl cordon {{ item }}"
      with_items:
        - "{{ groups['all'] }}"
      tags: cordon

    - name: Drain Hosts
      shell: "kubectl drain {{ item }} --ignore-daemonsets"
      with_items:
        - "{{ groups['all'] }}"
      ignore_errors: yes
      tags: drain

- hosts: all
  tasks:
    - name: Upgrade Y'all
      apt:
        name: ['kubelet', 'kubectl']
        state: latest
        force: yes
        update_cache: yes
        autoclean: yes
        autoremove: yes
      tags:
        - kubelet
        - kubectl

- hosts: master
  tasks:
    - name: Uncordon Hosts
      shell: "kubectl uncordon {{ item }}"
      with_items:
        - "{{ groups['all'] }}"
      tags: uncordon