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

---
- include: pre-upgrade.yml

- include: seed.yml
  when: weave_mode_seed

- name: Weave | Verify if br_netfilter module exists
  shell: "modinfo br_netfilter"
  register: modinfo_br_netfilter
  failed_when: modinfo_br_netfilter.rc not in [0, 1]
  changed_when: false

- name: Weave | Enable br_netfilter module
  modprobe:
    name: br_netfilter
    state: present
  when: modinfo_br_netfilter.rc == 0

- name: Weave | Copy cni plugins from hyperkube
  command: "{{ docker_bin_dir }}/docker run --rm -v /opt/cni/bin:/cnibindir {{ hyperkube_image_repo }}:{{ hyperkube_image_tag }} /bin/cp -r /opt/cni/bin/. /cnibindir/"
  register: cni_task_result
  until: cni_task_result.rc == 0
  retries: 4
  delay: "{{ retry_stagger | random + 3 }}"
  changed_when: false
  tags: [hyperkube, upgrade]

- name: Weave | Create weave-net manifest
  template:
    src: weave-net.yml.j2
    dest: "{{ kube_config_dir }}/weave-net.yml"
  register: weave_manifest