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

---
- 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:
    kubectl: "{{bin_dir}}/kubectl"
    filename: "{{ rendering.results | map(attribute='file') | map('regex_replace', '^(.*)$', kube_config_dir+'/\\1') | list }}"
    state: "{{ item.changed | ternary('latest','present') }}"
  become: true
  when:
    - "inventory_hostname == groups['kube-master'][0]"