feat: add metric server helm release

ansible/roles/kubernetes_metric_server/tasks/main.yaml

@@ -0,0 +1,12 @@
+- name: Ensure Metrics Server repository exists
+  kubernetes.core.helm_repository:
+    name: metrics-server
+    url: https://kubernetes-sigs.github.io/metrics-server/
+
+- name: Ensure Metrics Server is installed
+  kubernetes.core.helm:
+    release_name: metrics-server
+    release_namespace: kube-system
+    chart_ref: metrics-server/metrics-server
+    chart_version: 3.13.1
+  run_once: true

ansible/site.yaml

@@ -14,6 +14,7 @@
   become: true
   roles:
     - kubernetes_control_plane
+    - kubernetes_metric_server
 
 # # =======================
 # # JOIN MASTERS TO CLUSTER