un-kubernetes.yml

# Remove kubernetes from bare metal hosts
---
- name: Remove Kubernetes and CRI-O from bare-metal hosts
  hosts: servers
  become: true
  gather_facts: true
  tasks:
    - name: Get installed packages
      ansible.builtin.package_facts:
        manager: auto
    - name: Uninstall cilium # noqa ignore-errors
      kubernetes.core.helm:
        release_name: cilium
        release_namespace: kube-system
        state: absent
        force: true
        wait: true
      delegate_to: 127.0.0.1
      become: false
      run_once: true
      ignore_errors: true
    - name: Reset kubeadm # noqa no-changed-when
      ansible.builtin.command: kubeadm reset --force
      when: "'kubeadm' in ansible_facts.packages"
    - name: Disable kubelet unit
      ansible.builtin.systemd:
        name: kubelet
        enabled: false
        state: stopped
        daemon_reload: true
      when: "'kubelet' in ansible_facts.packages"
    - name: Remove all pods # noqa ignore-errors
      ansible.builtin.command: crictl rmp --all --force # noqa no-changed-when
      ignore_errors: true
      when: "'cri-tools' in ansible_facts.packages"
    - name: Remove all containers # noqa ignore-errors
      ansible.builtin.command: crictl rm --all # noqa no-changed-when
      ignore_errors: true
      when: "'cri-tools' in ansible_facts.packages"
    - name: Remove all images # noqa ignore-errors
      ansible.builtin.command: crictl rmi --all # noqa no-changed-when
      ignore_errors: true
      when: "'cri-tools' in ansible_facts.packages"
    - name: Disable CRI-O
      ansible.builtin.systemd:
        name: crio
        enabled: false
        state: stopped
        daemon_reload: true
      when: "'cri-o' in ansible_facts.packages"
    - name: Uninstall kubernetes and CRI-O packages
      ansible.builtin.package:
        name:
          - cri-tools
          - kubectl
          - kubelet
          - kubeadm
          - cri-o
          - cri-o-runc
        state: absent
    - name: Clean-up directories
      ansible.builtin.file:
        path: "{{ item }}"
        state: absent
      loop:
        - /etc/kubernetes
        - /etc/cni
        - /etc/crio
        - /var/tmp/kubeadm