feat: Enable metrics server

nodes/_defaults.yaml

@@ -34,7 +34,9 @@ patches:
   - !patch longhorn-user-volume
   - !patch local-path-provisioner-volume
   - !patch limit-ephemeral
+  - !patch metrics
 patchesControlPlane:
   - !patch allow-control-plane-workloads
   - !patch sops
   - !patch cluster-variables
+  - !patch metrics-cluster

patches/metrics-cluster.yaml

@@ -0,0 +1,4 @@
+cluster:
+  extraManifests:
+    - https://raw.githubusercontent.com/alex1989hu/kubelet-serving-cert-approver/main/deploy/standalone-install.yaml
+    - https://github.com/kubernetes-sigs/metrics-server/releases/latest/download/components.yaml

patches/metrics.yaml

@@ -0,0 +1,4 @@
+machine:
+  kubelet:
+    extraArgs:
+      rotate-server-certificates: true