kubespray/roles/network_plugin/flannel/tasks/main.yml

---

- name: Flannel | Stop if kernel version is too low for Flannel Wireguard encryption
  assert:
    that: ansible_kernel.split('-')[0] is version('5.6.0', '>=')
  when:
    - kube_network_plugin == 'flannel'
    - flannel_backend_type == 'wireguard'
    - not ignore_assert_errors

- name: Flannel | Create Flannel manifests
  template:
    src: "{{ item.file }}.j2"
    dest: "{{ kube_config_dir }}/{{ item.file }}"
    mode: 0644
  with_items:
    - {name: flannel, file: cni-flannel-rbac.yml, type: sa}
    - {name: kube-flannel, file: cni-flannel.yml, type: ds}
  register: flannel_node_manifests
  when:
    - inventory_hostname == groups['kube_control_plane'][0]