Merge pull request sola-scriptura-zz#8 from pahud/master

add cluster-autoscaler document and samples for Amazon EKS

Phase2/205-cluster-autoscaling/templates/eks-autoscaler.yaml

@@ -0,0 +1,152 @@
+---
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  labels:
+    k8s-addon: cluster-autoscaler.addons.k8s.io
+    k8s-app: cluster-autoscaler
+  name: cluster-autoscaler
+  namespace: kube-system
+---
+apiVersion: rbac.authorization.k8s.io/v1beta1
+kind: ClusterRole
+metadata:
+  name: cluster-autoscaler
+  labels:
+    k8s-addon: cluster-autoscaler.addons.k8s.io
+    k8s-app: cluster-autoscaler
+rules:
+- apiGroups: [""]
+  resources: ["events","endpoints"]
+  verbs: ["create", "patch"]
+- apiGroups: [""]
+  resources: ["pods/eviction"]
+  verbs: ["create"]
+- apiGroups: [""]
+  resources: ["pods/status"]
+  verbs: ["update"]
+- apiGroups: [""]
+  resources: ["endpoints"]
+  resourceNames: ["cluster-autoscaler"]
+  verbs: ["get","update"]
+- apiGroups: [""]
+  resources: ["nodes"]
+  verbs: ["watch","list","get","update"]
+- apiGroups: [""]
+  resources: ["pods","services","replicationcontrollers","persistentvolumeclaims","persistentvolumes"]
+  verbs: ["watch","list","get"]
+- apiGroups: ["extensions"]
+  resources: ["replicasets","daemonsets"]
+  verbs: ["watch","list","get"]
+- apiGroups: ["policy"]
+  resources: ["poddisruptionbudgets"]
+  verbs: ["watch","list"]
+- apiGroups: ["apps"]
+  resources: ["statefulsets"]
+  verbs: ["watch","list","get"]
+- apiGroups: ["storage.k8s.io"]
+  resources: ["storageclasses"]
+  verbs: ["watch","list","get"]
+
+---
+apiVersion: rbac.authorization.k8s.io/v1beta1
+kind: Role
+metadata:
+  name: cluster-autoscaler
+  namespace: kube-system
+  labels:
+    k8s-addon: cluster-autoscaler.addons.k8s.io
+    k8s-app: cluster-autoscaler
+rules:
+- apiGroups: [""]
+  resources: ["configmaps"]
+  verbs: ["create"]
+- apiGroups: [""]
+  resources: ["configmaps"]
+  resourceNames: ["cluster-autoscaler-status"]
+  verbs: ["delete","get","update"]
+
+---
+apiVersion: rbac.authorization.k8s.io/v1beta1
+kind: ClusterRoleBinding
+metadata:
+  name: cluster-autoscaler
+  labels:
+    k8s-addon: cluster-autoscaler.addons.k8s.io
+    k8s-app: cluster-autoscaler
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: cluster-autoscaler
+subjects:
+  - kind: ServiceAccount
+    name: cluster-autoscaler
+    namespace: kube-system
+
+---
+apiVersion: rbac.authorization.k8s.io/v1beta1
+kind: RoleBinding
+metadata:
+  name: cluster-autoscaler
+  namespace: kube-system
+  labels:
+    k8s-addon: cluster-autoscaler.addons.k8s.io
+    k8s-app: cluster-autoscaler
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: Role
+  name: cluster-autoscaler
+subjects:
+  - kind: ServiceAccount
+    name: cluster-autoscaler
+    namespace: kube-system
+
+---
+apiVersion: extensions/v1beta1
+kind: Deployment
+metadata:
+  name: cluster-autoscaler
+  namespace: kube-system
+  labels:
+    app: cluster-autoscaler
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: cluster-autoscaler
+  template:
+    metadata:
+      labels:
+        app: cluster-autoscaler
+    spec:
+      serviceAccountName: cluster-autoscaler
+      containers:
+        - image: k8s.gcr.io/cluster-autoscaler:v1.2.2
+          name: cluster-autoscaler
+          resources:
+            limits:
+              cpu: 100m
+              memory: 300Mi
+            requests:
+              cpu: 100m
+              memory: 300Mi
+          command:
+            - ./cluster-autoscaler
+            - --v=4
+            - --stderrthreshold=info
+            - --cloud-provider=aws
+            - --skip-nodes-with-local-storage=false
+            - --nodes=2:8:EKS-myeks-DefaultNodeGroup-NodeGroup-1CXC7XVC6QY2K
+          env:
+            - name: AWS_REGION
+              value: us-west-2
+          volumeMounts:
+            - name: ssl-certs
+              mountPath: /etc/ssl/certs/ca-certificates.crt
+              readOnly: true
+          imagePullPolicy: "Always"
+      volumes:
+        - name: ssl-certs
+          hostPath:
+            path: "/etc/ssl/certs/ca-bundle.crt"
+---

Phase2/205-cluster-autoscaling/templates/nginx-to-scaleout.yaml

@@ -0,0 +1,22 @@
+apiVersion: extensions/v1beta1
+kind: Deployment
+metadata:
+  name: nginx-to-scaleout
+spec:
+  replicas: 1
+  template:
+    metadata:
+      labels:
+        service: nginx
+        app: nginx
+    spec:
+      containers:
+      - image: nginx
+        name: nginx-to-scaleout
+        resources:
+          limits:
+            cpu: 500m
+            memory: 512Mi
+          requests:
+            cpu: 500m
+            memory: 512Mi