k8s-uninstall.yml

- hosts: all
  become: yes
  debugger: on_failed
  tasks:
    - name: Reset Kubeadm
      command: kubeadm reset -f
      args:
        removes: /etc/kubernetes/admin.conf
        
    - name: Stop the kubelet service
      service:
        name: kubelet
        state: stopped
        enabled: false
      ignore_errors: true

    - name: Stop the docker service
      service:
        name: docker
        state: stopped
        enabled: false
      ignore_errors: true

    - name: Remove kubelet and cni files
      shell: |
        rm -rf /var/lib/cni/ & rm -rf /var/lib/kubelet/* & rm -rf /etc/cni/ & rm -rf /etc/kubernetes/* & rm -rf /var/lib/etcd & rm -rf ~/pod_network_setup.txt & rm -rf ~/node_joined.txt

    - name: Remove network configd
      shell: |
        ip link delete cni0 & ip link delete flannel.1 & ip link delete docker0
      ignore_errors: yes

    - name: Prevent apt errors
      shell: |
        rm /etc/apt/sources.list.d/kubernetes*
      ignore_errors: true

    - name: Remove the kubernetes and docker installation
      apt:
        name:
          - kubeadm
          - kubectl
          - kubelet
          - kubernetes-cni
          - docker
          - docker-engine
          - docker.io
          - containerd
          - runc
          - docker-ce
          - docker-ce-cli
        state: absent
        purge: yes
        autoremove: yes
        force: yes
      ignore_errors: true

    - name: Remove config
      shell: |
        rm -rf ~/.kube

- hosts: all
  become: yes
  debugger: on_failed
  tasks:
   - name: Remove the docker installation
     apt:
      name:
        - docker
        - docker-engine
        - docker.io
        - containerd
        - runc
        - docker-ce
        - docker-ce-cli
      state: absent
      purge: yes

        

- hosts: all
  become: yes
  tasks:
    - name: reboot ALL machines
      reboot: