kubespray/roles/kubernetes-apps/metallb/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 | Check that the deprecated 'matallb_auto_assign' variable is not used anymore
  fail:
    msg: "'matallb_auto_assign' configuration variable is deprecated, please use 'metallb_auto_assign' instead"
  when:
    - matallb_auto_assign is defined

- name: Kubernetes Apps | Lay Down MetalLB
  become: true
  template:
    src: "metallb.yaml.j2"
    dest: "{{ kube_config_dir }}/metallb.yaml"
    mode: 0644
  register: metallb_rendering
  when:
    - inventory_hostname == groups['kube_control_plane'][0]

- name: Kubernetes Apps | Install and configure MetalLB
  kube:
    name: "MetalLB"
    kubectl: "{{ bin_dir }}/kubectl"
    filename: "{{ kube_config_dir }}/metallb.yaml"
    state: "{{ metallb_rendering.changed | ternary('latest', 'present') }}"
    wait: true
  become: true
  when:
    - inventory_hostname == groups['kube_control_plane'][0]

- name: Kubernetes Apps | Wait for MetalLB controller to be running
  command: "{{ bin_dir }}/kubectl -n metallb-system wait --for=condition=ready pod -l app=metallb,component=controller --timeout=2m"
  become: true
  when:
    - inventory_hostname == groups['kube_control_plane'][0]

- name: MetalLB | Address pools
  when:
    - inventory_hostname == groups['kube_control_plane'][0]
    - metallb_config.address_pools is defined
  block:
    - name: MetalLB | Layout address pools template
      ansible.builtin.template:
        src: pools.yaml.j2
        dest: "{{ kube_config_dir }}/pools.yaml"
        mode: 0644
      register: pools_rendering

    - name: MetalLB | Create address pools configuration
      kube:
        name: "MetalLB"
        kubectl: "{{ bin_dir }}/kubectl"
        filename: "{{ kube_config_dir }}/pools.yaml"
        state: "{{ pools_rendering.changed | ternary('latest', 'present') }}"
      become: true

- name: MetalLB | Layer2
  when:
    - inventory_hostname == groups['kube_control_plane'][0]
    - metallb_config.layer2 is defined
  block:
    - name: MetalLB | Layout layer2 template
      ansible.builtin.template:
        src: layer2.yaml.j2
        dest: "{{ kube_config_dir }}/layer2.yaml"
        mode: 0644
      register: layer2_rendering

    - name: MetalLB | Create layer2 configuration
      kube:
        name: "MetalLB"
        kubectl: "{{ bin_dir }}/kubectl"
        filename: "{{ kube_config_dir }}/layer2.yaml"
        state: "{{ layer2_rendering.changed | ternary('latest', 'present') }}"
      become: true

- name: MetalLB | Layer3
  when:
    - inventory_hostname == groups['kube_control_plane'][0]
    - metallb_config.layer3 is defined
  block:
    - name: MetalLB | Layout layer3 template
      ansible.builtin.template:
        src: layer3.yaml.j2
        dest: "{{ kube_config_dir }}/layer3.yaml"
        mode: 0644
      register: layer3_rendering

    - name: MetalLB | Create layer3 configuration
      kube:
        name: "MetalLB"
        kubectl: "{{ bin_dir }}/kubectl"
        filename: "{{ kube_config_dir }}/layer3.yaml"
        state: "{{ layer3_rendering.changed | ternary('latest', 'present') }}"
      become: true


- name: Kubernetes Apps | Delete MetalLB ConfigMap
  kube:
    name: config
    kubectl: "{{ bin_dir }}/kubectl"
    resource: ConfigMap
    namespace: metallb-system
    state: absent