Update metrics-server to 0.4.1 (#7188)

roles/download/defaults/main.yml

@@ -475,7 +475,7 @@ registry_image_repo: "{{ docker_image_repo }}/library/registry"
 registry_image_tag: "2.7.1"
 registry_proxy_image_repo: "{{ kube_image_repo }}/kube-registry-proxy"
 registry_proxy_image_tag: "0.4"
-metrics_server_version: "v0.3.7"
+metrics_server_version: "v0.4.1"
 metrics_server_image_repo: "{{ kube_image_repo }}/metrics-server/metrics-server"
 metrics_server_image_tag: "{{ metrics_server_version }}"
 local_volume_provisioner_image_repo: "{{ quay_image_repo }}/external_storage/local-volume-provisioner"

roles/kubernetes-apps/metrics_server/templates/metrics-server-deployment.yaml.j2

@@ -36,10 +36,15 @@ spec:
 {% if metrics_server_kubelet_preferred_address_types %}
         - --kubelet-preferred-address-types={{ metrics_server_kubelet_preferred_address_types }}
 {% endif %}
+        - --kubelet-use-node-status-port
 {% if metrics_server_kubelet_insecure_tls %}
         - --kubelet-insecure-tls
 {% endif %}
         - --metric-resolution={{ metrics_server_metric_resolution }}
+        resources:
+          requests:
+            cpu: 100m
+            memory: 300Mi
         ports:
         - containerPort: 8443
           name: https
@@ -49,21 +54,15 @@ spec:
           mountPath: /tmp
         livenessProbe:
           httpGet:
-            path: /healthz
+            path: /healthz?exclude=readyz
             port: https
             scheme: HTTPS
-          successThreshold: 1
-          initialDelaySeconds: 20
-          failureThreshold: 3
           timeoutSeconds: 10
         readinessProbe:
           httpGet:
-            path: /healthz
+            path: /healthz?exclude=livez
             port: https
             scheme: HTTPS
-          successThreshold: 1
-          initialDelaySeconds: 20
-          failureThreshold: 3
           timeoutSeconds: 10
         securityContext:
           allowPrivilegeEscalation: false

roles/kubernetes-apps/metrics_server/templates/metrics-server-service.yaml.j2

@@ -10,6 +10,7 @@ spec:
   selector:
     app.kubernetes.io/name: metrics-server
   ports:
-  - port: 443
+  - name: https
+    port: 443
     protocol: TCP
     targetPort: https