kubespray/contrib/metallb/roles/provision/tasks/main.yml

---
- name: "Kubernetes Apps | Check cluster settings for MetalLB"
  fail:
    msg: "MetalLB require kube_proxy_strict_arp = true, see https://github.com/danderson/metallb/issues/153#issuecomment-518651132"
  when:
    - "kube_proxy_mode == 'ipvs' and not kube_proxy_strict_arp"
- name: "Kubernetes Apps | Lay Down MetalLB"
  become: true
  template: { src: "{{ item }}.j2", dest: "{{ kube_config_dir }}/{{ item }}" }
  with_items: ["metallb.yml", "metallb-config.yml"]
  register: "rendering"
  when:
    - "inventory_hostname == groups['kube-master'][0]"
- name: "Kubernetes Apps | Install and configure MetalLB"
  kube:
    name: "MetalLB"
    kubectl: "{{ bin_dir }}/kubectl"
    filename: "{{ kube_config_dir }}/{{ item.item }}"
    state: "{{ item.changed | ternary('latest','present') }}"
  become: true
  with_items: "{{ rendering.results }}"
  when:
    - "inventory_hostname == groups['kube-master'][0]"