GHP publish

roles/metallb/defaults/main.yaml

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+strict_arp_for_metallb: true
+metallb_default_values: {}

roles/metallb/tasks/main.yaml

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+- set_fact:
+    metallb_combined_values: "{{ metallb_default_values | combine(metallb_values, recursive=true) }}"
+
+- name: Deploy MetalLB
+  community.kubernetes.helm:
+    create_namespace: true
+    release_namespace: "{{ metallb_namespace | default('metallb-system') }}"
+    release_name: "{{ metallb_name | default('metallb') }}"
+    chart_ref: "{{ metallb_chart | default('bitnami/metallb') }}"
+    chart_version: "{{ metallb_version | default(omit) }}"
+    release_values: "{{ metallb_combined_values | from_yaml }}"
+    wait: true
+
+- name: Check for strict arp
+  check_mode: false
+  shell: |
+    kubectl get configmap kube-proxy -n kube-system -o yaml | \
+    sed -e "s/strictARP: false/strictARP: true/" | \
+    kubectl diff -f - -n kube-system
+  register: check_strict_arp
+  when: strict_arp_for_metallb
+  changed_when: check_strict_arp.rc != 0
+
+- name: Apply strict arp
+  shell: |
+    kubectl get configmap kube-proxy -n kube-system -o yaml | \
+    sed -e "s/strictARP: false/strictARP: true/" | \
+    kubectl apply -f - -n kube-system \
+    && kubectl -n kube-system delete pods --selector=k8s-app=kube-proxy
+  when: 
+    - strict_arp_for_metallb
+    - check_strict_arp.changed