Merge pull request #2627 from sethpollack/addon_autoscaler

add cluster autoscaler addon

addons/cluster-autoscaler/README.md

@@ -4,7 +4,7 @@ Note that you likely want to change `AWS_REGION` and `GROUP_NAME`, and probably
 
 ```bash
 CLOUD_PROVIDER=aws
-IMAGE=gcr.io/google_containers/cluster-autoscaler:v0.4.0
+IMAGE=gcr.io/google_containers/cluster-autoscaler:v0.5.4
 MIN_NODES=1
 MAX_NODES=5
 AWS_REGION=us-east-1
@@ -12,7 +12,7 @@ GROUP_NAME="nodes.k8s.example.com"
 SSL_CERT_PATH="/etc/ssl/certs/ca-certificates.crt" # (/etc/ssl/certs for gce)
 
 addon=cluster-autoscaler.yml
-wget -O ${addon} https://raw.githubusercontent.com/kubernetes/kops/master/addons/cluster-autoscaler/v1.4.0.yaml
+wget -O ${addon} https://raw.githubusercontent.com/kubernetes/kops/master/addons/cluster-autoscaler/v1.6.0.yaml
 
 sed -i -e "s@{{CLOUD_PROVIDER}}@${CLOUD_PROVIDER}@g" "${addon}"
 sed -i -e "s@{{IMAGE}}@${IMAGE}@g" "${addon}"

addons/cluster-autoscaler/addon.yml

@@ -7,3 +7,7 @@ spec:
     selector:
       k8s-addon: cluster-autoscaler.addons.k8s.io
     manifest: v1.4.0.yaml
+  - version: 1.6.0
+    selector:
+      k8s-addon: cluster-autoscaler.addons.k8s.io
+    manifest: v1.6.0.yaml

addons/cluster-autoscaler/v1.6.0.yaml

@@ -0,0 +1,173 @@
+apiVersion: extensions/v1beta1
+kind: Deployment
+metadata:
+  name: cluster-autoscaler
+  namespace: kube-system
+  labels:
+    k8s-addon: cluster-autoscaler.addons.k8s.io
+    k8s-app: cluster-autoscaler
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      k8s-app: cluster-autoscaler
+  template:
+    metadata:
+      labels:
+        k8s-addon: cluster-autoscaler.addons.k8s.io
+        k8s-app: cluster-autoscaler
+      annotations:
+         # For 1.6, we keep the old tolerations in case of a downgrade to 1.5
+        scheduler.alpha.kubernetes.io/tolerations: '[{"key":"dedicated", "value":"master"}]'
+    spec:
+      serviceAccountName: cluster-autoscaler
+      containers:
+        - name: cluster-autoscaler
+          image: {{IMAGE}}
+          resources:
+            limits:
+              cpu: 100m
+              memory: 300Mi
+            requests:
+              cpu: 100m
+              memory: 300Mi
+          command:
+            - ./cluster-autoscaler
+            - --cloud-provider={{CLOUD_PROVIDER}}
+            - --nodes={{MIN_NODES}}:{{MAX_NODES}}:{{GROUP_NAME}}
+          env:
+            - name: AWS_REGION
+              value: {{AWS_REGION}}
+          volumeMounts:
+            - name: ssl-certs
+              mountPath: {{SSL_CERT_PATH}}
+              readOnly: true
+      volumes:
+        - name: ssl-certs
+          hostPath:
+            path: {{SSL_CERT_PATH}}
+      nodeSelector:
+        node-role.kubernetes.io/master: ""
+      tolerations:
+        - key: "node-role.kubernetes.io/master"
+          effect: NoSchedule
+---
+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
+- apiGroups:
+  - ""
+  resources:
+  - endpoints
+  resourceNames:
+  - cluster-autoscaler
+  verbs:
+  - get
+  - update
+- apiGroups:
+  - ""
+  resources:
+  - nodes
+  - pods
+  - services
+  - replicationcontrollers
+  - persistentvolumeclaims
+  - persistentvolumes
+  verbs:
+  - watch
+  - list
+- apiGroups:
+  - extensions
+  resources:
+  - replicasets
+  - daemonsets
+  verbs:
+  - watch
+  - list
+- apiGroups:
+  - policy
+  resources:
+  - poddisruptionbudgets
+  verbs:
+  - watch
+  - list
+---
+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