add aggregated api servers

manifests/HPA/custom-metrics.yaml

@@ -0,0 +1,144 @@
+kind: Namespace
+apiVersion: v1
+metadata:
+  name: custom-metrics
+---
+kind: ServiceAccount
+apiVersion: v1
+metadata:
+  name: custom-metrics-apiserver
+  namespace: custom-metrics
+---
+apiVersion: rbac.authorization.k8s.io/v1beta1
+kind: ClusterRoleBinding
+metadata:
+  name: custom-metrics:system:auth-delegator
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: system:auth-delegator
+subjects:
+- kind: ServiceAccount
+  name: custom-metrics-apiserver
+  namespace: custom-metrics
+---
+apiVersion: rbac.authorization.k8s.io/v1beta1
+kind: RoleBinding
+metadata:
+  name: custom-metrics-auth-reader
+  namespace: kube-system
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: Role
+  name: extension-apiserver-authentication-reader
+subjects:
+- kind: ServiceAccount
+  name: custom-metrics-apiserver
+  namespace: custom-metrics
+---
+apiVersion: rbac.authorization.k8s.io/v1beta1
+kind: ClusterRole
+metadata:
+  name: custom-metrics-read
+rules:
+- apiGroups:
+  - ""
+  resources:
+  - namespaces
+  - pods
+  - services
+  verbs:
+  - get
+  - list
+---
+apiVersion: rbac.authorization.k8s.io/v1beta1
+kind: ClusterRoleBinding
+metadata:
+  name: custom-metrics-read
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: custom-metrics-read
+subjects:
+- kind: ServiceAccount
+  name: custom-metrics-apiserver
+  namespace: custom-metrics
+---
+apiVersion: apps/v1beta1
+kind: Deployment
+metadata:
+  name: custom-metrics-apiserver
+  namespace: custom-metrics
+  labels:
+    app: custom-metrics-apiserver
+spec:
+  replicas: 1
+  template:
+    metadata:
+      name: custom-metrics-apiserver
+      labels:
+        app: custom-metrics-apiserver
+    spec:
+      serviceAccountName: custom-metrics-apiserver
+      containers:
+      - name: custom-metrics-server
+        image: sz-pg-oam-docker-hub-001.tendcloud.com/library/k8s-prometheus-adapter
+        args:
+        - --prometheus-url=http://sample-metrics-prom.default.svc:9090
+        - --metrics-relist-interval=30s
+        - --rate-interval=60s
+        - --v=10
+        - --logtostderr=true
+        ports:
+        - containerPort: 443
+        securityContext:
+          runAsUser: 0
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: api
+  namespace: custom-metrics
+spec:
+  ports:
+  - port: 443
+    targetPort: 443
+  selector:
+    app: custom-metrics-apiserver
+---
+apiVersion: apiregistration.k8s.io/v1beta1
+kind: APIService
+metadata:
+  name: v1alpha1.custom-metrics.metrics.k8s.io
+spec:
+  insecureSkipTLSVerify: true
+  group: custom-metrics.metrics.k8s.io
+  groupPriorityMinimum: 1000
+  versionPriority: 5
+  service:
+    name: api
+    namespace: custom-metrics
+  version: v1alpha1
+---
+apiVersion: rbac.authorization.k8s.io/v1beta1
+kind: ClusterRole
+metadata:
+  name: custom-metrics-server-resources
+rules:
+- apiGroups:
+  - custom-metrics.metrics.k8s.io
+  resources: ["*"]
+  verbs: ["*"]
+---
+apiVersion: rbac.authorization.k8s.io/v1beta1
+kind: ClusterRoleBinding
+metadata:
+  name: hpa-controller-custom-metrics
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: custom-metrics-server-resources
+subjects:
+- kind: ServiceAccount
+  name: horizontal-pod-autoscaler
+  namespace: kube-system

manifests/HPA/prometheus-operator.yaml

@@ -0,0 +1,85 @@
+apiVersion: rbac.authorization.k8s.io/v1beta1
+kind: ClusterRole
+metadata:
+  name: prometheus-operator
+rules:
+- apiGroups:
+  - extensions
+  resources:
+  - thirdpartyresources
+  verbs:
+  - create
+- apiGroups:
+  - monitoring.coreos.com
+  resources:
+  - alertmanagers
+  - prometheuses
+  - servicemonitors
+  verbs:
+  - "*"
+- apiGroups:
+  - apps
+  resources:
+  - statefulsets
+  verbs: ["*"]
+- apiGroups: [""]
+  resources:
+  - configmaps
+  - secrets
+  verbs: ["*"]
+- apiGroups: [""]
+  resources:
+  - pods
+  verbs: ["list", "delete"]
+- apiGroups: [""]
+  resources:
+  - services
+  - endpoints
+  verbs: ["get", "create", "update"]
+- apiGroups: [""]
+  resources:
+  - nodes
+  verbs: ["list", "watch"]
+---
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: prometheus-operator
+---
+apiVersion: rbac.authorization.k8s.io/v1beta1
+kind: ClusterRoleBinding
+metadata:
+  name: prometheus-operator
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: prometheus-operator
+subjects:
+- kind: ServiceAccount
+  name: prometheus-operator
+  namespace: default
+---
+apiVersion: apps/v1beta1
+kind: Deployment
+metadata:
+  name: prometheus-operator
+  labels:
+    operator: prometheus
+spec:
+  replicas: 1
+  template:
+    metadata:
+      labels:
+        operator: prometheus
+    spec:
+      serviceAccountName: prometheus-operator
+      containers:
+       - name: prometheus-operator
+         image: sz-pg-oam-docker-hub-001.tendcloud.com/library/prometheus-operator:v0.10.1
+         resources:
+           requests:
+             cpu: 100m
+             memory: 50Mi
+           limits:
+             cpu: 200m
+             memory: 100Mi

manifests/HPA/sample-metrics-app.yaml

@@ -0,0 +1,77 @@
+apiVersion: apps/v1beta1
+kind: Deployment
+metadata:
+  labels:
+    app: sample-metrics-app
+  name: sample-metrics-app
+spec:
+  replicas: 2
+  template:
+    metadata:
+      labels:
+        app: sample-metrics-app
+    spec:
+      containers:
+      - image: sz-pg-oam-docker-hub-001.tendcloud.com/library/autoscale-demo:v0.1.2
+        name: sample-metrics-app
+        ports:
+        - name: web
+          containerPort: 8080
+        readinessProbe:
+          httpGet:
+            path: /
+            port: 8080
+          initialDelaySeconds: 3
+          periodSeconds: 5
+        livenessProbe:
+          httpGet:
+            path: /
+            port: 8080
+          initialDelaySeconds: 3
+          periodSeconds: 5
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: sample-metrics-app
+  labels:
+    app: sample-metrics-app
+spec:
+  ports:
+  - name: web
+    port: 80
+    targetPort: 8080
+  selector:
+    app: sample-metrics-app
+---
+apiVersion: monitoring.coreos.com/v1alpha1
+kind: ServiceMonitor
+metadata:
+  name: sample-metrics-app
+  labels:
+    service-monitor: function
+spec:
+  selector:
+    matchLabels:
+      app: sample-metrics-app
+  endpoints:
+  - port: web
+---
+kind: HorizontalPodAutoscaler
+apiVersion: autoscaling/v2alpha1
+metadata:
+  name: sample-metrics-app-hpa
+spec:
+  scaleTargetRef:
+    kind: Deployment
+    name: sample-metrics-app
+  minReplicas: 2
+  maxReplicas: 10
+  metrics:
+  - type: Object
+    object:
+      target:
+        kind: Service
+        name: sample-metrics-app
+      metricName: http_requests
+      targetValue: 100

manifests/HPA/sample-prometheus-instance.yaml

@@ -0,0 +1,74 @@
+apiVersion: rbac.authorization.k8s.io/v1beta1
+kind: ClusterRole
+metadata:
+  name: prometheus
+rules:
+- apiGroups:
+  - ""
+  resources:
+  - nodes
+  - services
+  - endpoints
+  - pods
+  verbs:
+  - get
+  - list
+  - watch
+---
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: prometheus
+---
+apiVersion: rbac.authorization.k8s.io/v1beta1
+kind: ClusterRoleBinding
+metadata:
+  name: prometheus
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: prometheus
+subjects:
+- kind: ServiceAccount
+  name: prometheus
+  namespace: default
+---
+apiVersion: monitoring.coreos.com/v1alpha1
+kind: Prometheus
+metadata:
+  name: sample-metrics-prom
+  labels:
+    app: sample-metrics-prom
+    prometheus: sample-metrics-prom
+spec:
+  replicas: 1
+  baseImage: prom/prometheus
+  version: v1.7.1
+  serviceAccountName: prometheus
+  serviceMonitorSelector:
+    matchLabels:
+      service-monitor: function
+  resources:
+    requests:
+      memory: 300Mi
+  #storage:
+  #  resources:
+  #    requests:
+  #      storage: 3Gi
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: sample-metrics-prom
+  labels:
+    app: sample-metrics-prom
+    prometheus: sample-metrics-prom
+spec:
+  type: NodePort
+  ports:
+  - name: web
+    nodePort: 30999
+    port: 9090
+    targetPort: web
+  selector:
+    prometheus: sample-metrics-prom