reset-site.yaml

---

- hosts: kube_cluster
  gather_facts: no
  become: yes
  tasks:
    - name: Reset Kubernetes component
      shell: "kubeadm reset --force"
      ignore_errors: True

    - name: Delete flannel.1 interface
      command: ip link delete flannel.1
      when: network == "flannel" or network == "canal"
      ignore_errors: True

    - name: Delete cni0 interface
      command: ip link delete cni0
      when: network == "flannel"
      ignore_errors: True

    - name: Delete tunl0 interface
      command: modprobe -r ipip
      when: network == "calico"
      ignore_errors: True

    - name: Find network interfaces for Kubernetes
      shell: "ip addr | grep {{ item }}"
      with_items:
        - "docker0"
        - "flannel.1"
        - "cni0"
        - "tunl0"
      register: find_eths
      ignore_errors: True

    - name: Delete network interfaces for Kubernetes
      when: item.stdout != ''
      shell: "ip link delete {{ item.item }}"
      with_items: "{{ find_eths['results'] }}"
      ignore_errors: True

    - name: Find blackhole route rule
      shell: "ip route | awk '/blackhole/ {print $2}'"
      register: find_blackhole
      ignore_errors: True

    - name: Delete blackhole route rule
      when: find_blackhole.stdout != ''
      shell: "ip route del {{ find_blackhole.stdout }}"
      ignore_errors: True