add metrics-server with insecure-api patch

metrics-server/base/metrics-server-namespace.yaml

@@ -1,4 +0,0 @@
-apiVersion: v1
-kind: Namespace
-metadata:
-  name: metrics-server

metrics-server/kustomization.yaml

@@ -1,8 +1,8 @@
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 
-namespace: metrics-server
-
 resources:
-  - ./base/metrics-server-namespace.yaml
 - https://github.com/kubernetes-sigs/metrics-server/releases/download/v0.7.2/components.yaml
+
+patches:
+  - path: metrics-server-args-patch.yaml

metrics-server/metrics-server-args-patch.yaml

@@ -0,0 +1,17 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: metrics-server
+  namespace: kube-system
+spec:
+  template:
+    spec:
+      containers:
+        - name: metrics-server
+          args:
+            - --kubelet-insecure-tls
+            - --cert-dir=/tmp
+            - --secure-port=10250
+            - --kubelet-preferred-address-types=InternalIP,ExternalIP,Hostname
+            - --kubelet-use-node-status-port
+            - --metric-resolution=15s