Add metrics-server

2022-05-11 11:37:17 +02:00 · 2022-05-11 11:37:17 +02:00 · 15acfb3d5b
parent c5a2b6b7a9
commit 15acfb3d5b
12 changed files with 257 additions and 0 deletions
--- a/deploy/base/inflated/metrics-server/templates/apiservice.yaml
+++ b/deploy/base/inflated/metrics-server/templates/apiservice.yaml
@ -0,0 +1,21 @@
+---
+# Source: metrics-server/templates/apiservice.yaml
+apiVersion: apiregistration.k8s.io/v1
+kind: APIService
+metadata:
+  name: v1beta1.metrics.k8s.io
+  labels:
+    helm.sh/chart: metrics-server-3.8.2
+    app.kubernetes.io/name: metrics-server
+    app.kubernetes.io/instance: metrics-server
+    app.kubernetes.io/version: "0.6.1"
+    app.kubernetes.io/managed-by: Helm
+spec:
+  group: metrics.k8s.io
+  groupPriorityMinimum: 100
+  insecureSkipTLSVerify: true
+  service:
+    name: metrics-server
+    namespace: default
+  version: v1beta1
+  versionPriority: 100
--- a/deploy/base/inflated/metrics-server/templates/clusterrole-aggregated-reader.yaml
+++ b/deploy/base/inflated/metrics-server/templates/clusterrole-aggregated-reader.yaml
@ -0,0 +1,25 @@
+---
+# Source: metrics-server/templates/clusterrole-aggregated-reader.yaml
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  name: system:metrics-server-aggregated-reader
+  labels:
+    helm.sh/chart: metrics-server-3.8.2
+    app.kubernetes.io/name: metrics-server
+    app.kubernetes.io/instance: metrics-server
+    app.kubernetes.io/version: "0.6.1"
+    app.kubernetes.io/managed-by: Helm
+    rbac.authorization.k8s.io/aggregate-to-admin: "true"
+    rbac.authorization.k8s.io/aggregate-to-edit: "true"
+    rbac.authorization.k8s.io/aggregate-to-view: "true"
+rules:
+  - apiGroups:
+      - metrics.k8s.io
+    resources:
+      - pods
+      - nodes
+    verbs:
+      - get
+      - list
+      - watch
--- a/deploy/base/inflated/metrics-server/templates/clusterrole.yaml
+++ b/deploy/base/inflated/metrics-server/templates/clusterrole.yaml
@ -0,0 +1,30 @@
+---
+# Source: metrics-server/templates/clusterrole.yaml
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  name: system:metrics-server
+  labels:
+    helm.sh/chart: metrics-server-3.8.2
+    app.kubernetes.io/name: metrics-server
+    app.kubernetes.io/instance: metrics-server
+    app.kubernetes.io/version: "0.6.1"
+    app.kubernetes.io/managed-by: Helm
+rules:
+  - apiGroups:
+    - ""
+    resources:
+    - nodes/metrics
+    verbs:
+    - get
+  - apiGroups:
+    - ""
+    resources:
+      - pods
+      - nodes
+      - namespaces
+      - configmaps
+    verbs:
+      - get
+      - list
+      - watch
--- a/deploy/base/inflated/metrics-server/templates/clusterrolebinding-auth-delegator.yaml
+++ b/deploy/base/inflated/metrics-server/templates/clusterrolebinding-auth-delegator.yaml
@ -0,0 +1,20 @@
+---
+# Source: metrics-server/templates/clusterrolebinding-auth-delegator.yaml
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  name: metrics-server:system:auth-delegator
+  labels:
+    helm.sh/chart: metrics-server-3.8.2
+    app.kubernetes.io/name: metrics-server
+    app.kubernetes.io/instance: metrics-server
+    app.kubernetes.io/version: "0.6.1"
+    app.kubernetes.io/managed-by: Helm
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: system:auth-delegator
+subjects:
+  - kind: ServiceAccount
+    name: metrics-server
+    namespace: default
--- a/deploy/base/inflated/metrics-server/templates/clusterrolebinding.yaml
+++ b/deploy/base/inflated/metrics-server/templates/clusterrolebinding.yaml
@ -0,0 +1,20 @@
+---
+# Source: metrics-server/templates/clusterrolebinding.yaml
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  name: system:metrics-server
+  labels:
+    helm.sh/chart: metrics-server-3.8.2
+    app.kubernetes.io/name: metrics-server
+    app.kubernetes.io/instance: metrics-server
+    app.kubernetes.io/version: "0.6.1"
+    app.kubernetes.io/managed-by: Helm
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: system:metrics-server
+subjects:
+  - kind: ServiceAccount
+    name: metrics-server
+    namespace: default
--- a/deploy/base/inflated/metrics-server/templates/deployment.yaml
+++ b/deploy/base/inflated/metrics-server/templates/deployment.yaml
@ -0,0 +1,67 @@
+---
+# Source: metrics-server/templates/deployment.yaml
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: metrics-server
+  labels:
+    helm.sh/chart: metrics-server-3.8.2
+    app.kubernetes.io/name: metrics-server
+    app.kubernetes.io/instance: metrics-server
+    app.kubernetes.io/version: "0.6.1"
+    app.kubernetes.io/managed-by: Helm
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: metrics-server
+      app.kubernetes.io/instance: metrics-server
+  template:
+    metadata:
+      labels:
+        app.kubernetes.io/name: metrics-server
+        app.kubernetes.io/instance: metrics-server
+    spec:
+      serviceAccountName: metrics-server
+      priorityClassName: "system-cluster-critical"
+      containers:
+        - name: metrics-server
+          securityContext:
+            allowPrivilegeEscalation: false
+            readOnlyRootFilesystem: true
+            runAsNonRoot: true
+            runAsUser: 1000
+          image: k8s.gcr.io/metrics-server/metrics-server:v0.6.1
+          imagePullPolicy: IfNotPresent
+          args:
+            - --secure-port=4443
+            - --cert-dir=/tmp
+            - --kubelet-preferred-address-types=InternalIP,ExternalIP,Hostname
+            - --kubelet-use-node-status-port
+            - --metric-resolution=15s
+          ports:
+          - name: https
+            protocol: TCP
+            containerPort: 4443
+          livenessProbe:
+            failureThreshold: 3
+            httpGet:
+              path: /livez
+              port: https
+              scheme: HTTPS
+            initialDelaySeconds: 0
+            periodSeconds: 10
+          readinessProbe:
+            failureThreshold: 3
+            httpGet:
+              path: /readyz
+              port: https
+              scheme: HTTPS
+            initialDelaySeconds: 20
+            periodSeconds: 10
+          volumeMounts:
+            - name: tmp
+              mountPath: /tmp
+      volumes:
+        - name: tmp
+          emptyDir: {}
--- a/deploy/base/inflated/metrics-server/templates/rolebinding.yaml
+++ b/deploy/base/inflated/metrics-server/templates/rolebinding.yaml
@ -0,0 +1,21 @@
+---
+# Source: metrics-server/templates/rolebinding.yaml
+apiVersion: rbac.authorization.k8s.io/v1
+kind: RoleBinding
+metadata:
+  name: metrics-server-auth-reader
+  namespace: kube-system
+  labels:
+    helm.sh/chart: metrics-server-3.8.2
+    app.kubernetes.io/name: metrics-server
+    app.kubernetes.io/instance: metrics-server
+    app.kubernetes.io/version: "0.6.1"
+    app.kubernetes.io/managed-by: Helm
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: Role
+  name: extension-apiserver-authentication-reader
+subjects:
+  - kind: ServiceAccount
+    name: metrics-server
+    namespace: default
--- a/deploy/base/inflated/metrics-server/templates/service.yaml
+++ b/deploy/base/inflated/metrics-server/templates/service.yaml
@ -0,0 +1,22 @@
+---
+# Source: metrics-server/templates/service.yaml
+apiVersion: v1
+kind: Service
+metadata:
+  name: metrics-server
+  labels:
+    helm.sh/chart: metrics-server-3.8.2
+    app.kubernetes.io/name: metrics-server
+    app.kubernetes.io/instance: metrics-server
+    app.kubernetes.io/version: "0.6.1"
+    app.kubernetes.io/managed-by: Helm
+spec:
+  type: ClusterIP
+  ports:
+    - name: https
+      port: 443
+      protocol: TCP
+      targetPort: https
+  selector:
+    app.kubernetes.io/name: metrics-server
+    app.kubernetes.io/instance: metrics-server
--- a/deploy/base/inflated/metrics-server/templates/serviceaccount.yaml
+++ b/deploy/base/inflated/metrics-server/templates/serviceaccount.yaml
@ -0,0 +1,12 @@
+---
+# Source: metrics-server/templates/serviceaccount.yaml
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: metrics-server
+  labels:
+    helm.sh/chart: metrics-server-3.8.2
+    app.kubernetes.io/name: metrics-server
+    app.kubernetes.io/instance: metrics-server
+    app.kubernetes.io/version: "0.6.1"
+    app.kubernetes.io/managed-by: Helm
--- a/deploy/base/kustomization.yaml
+++ b/deploy/base/kustomization.yaml
@ -1,5 +1,15 @@
 ---
 resources:
+# metrics-server
+- inflated/metrics-server/templates/serviceaccount.yaml
+- inflated/metrics-server/templates/clusterrolebinding-auth-delegator.yaml
+- inflated/metrics-server/templates/rolebinding.yaml
+- inflated/metrics-server/templates/deployment.yaml
+- inflated/metrics-server/templates/apiservice.yaml
+- inflated/metrics-server/templates/clusterrole-aggregated-reader.yaml
+- inflated/metrics-server/templates/service.yaml
+- inflated/metrics-server/templates/clusterrole.yaml
+- inflated/metrics-server/templates/clusterrolebinding.yaml
 # ingress-nginx
 - inflated/ingress-nginx/templates/controller-deployment.yaml
 - inflated/ingress-nginx/templates/controller-serviceaccount.yaml
--- a/deploy/dev/deploy-metrics-server.yaml
+++ b/deploy/dev/deploy-metrics-server.yaml
@ -0,0 +1,4 @@
+---
+- op: add
+  path: /spec/template/spec/containers/0/args/-
+  value: "--kubelet-insecure-tls"
--- a/deploy/dev/kustomization.yaml
+++ b/deploy/dev/kustomization.yaml
@ -46,6 +46,11 @@ secretGenerator:
  - database-password=testme

 patches:
+# Patch the metrics-server to not require TLS in dev cluster.
+- target:
+    kind: Deployment
+    name: metrics-server
+  path: deploy-metrics-server.yaml
 # Patch the ingress-nginx deployment to allow it to use a service with a
 # namePrefix. See https://github.com/kubernetes/ingress-nginx/issues/2599#issuecomment-601170289.
 - target: