Merge pull request kubernetes#5643 from mwielgus/balancer-main

Balancer - main.go and yamls

balancer/Dockerfile

@@ -0,0 +1,6 @@
+FROM gcr.io/distroless/static:latest
+MAINTAINER Marcin Wielgus "[email protected]"
+
+COPY balancer /
+
+ENTRYPOINT ["/balancer"]

balancer/Makefile

@@ -0,0 +1,59 @@
+all: build
+
+FLAGS=
+OFFICIAL_NAME=balancer
+
+build: clean
+	go build .
+
+build-linux-amd64: clean
+	GOOS=linux GOARCH=amd64 CGO_ENABLED=0 go build .
+
+test-unit: clean
+	go test --test.short -race ./... $(FLAGS)
+
+docker-build:
+ifndef REGISTRY
+	ERR = $(error REGISTRY is undefined)
+	$(ERR)
+endif
+ifndef TAG
+	ERR = $(error TAG is undefined)
+	$(ERR)
+endif
+	docker build --pull -t ${REGISTRY}/${OFFICIAL_NAME}:${TAG} .
+
+docker-push:
+ifndef REGISTRY
+	ERR = $(error REGISTRY is undefined)
+	$(ERR)
+endif
+ifndef TAG
+	ERR = $(error TAG is undefined)
+	$(ERR)
+endif
+	docker push ${REGISTRY}/${OFFICIAL_NAME}:${TAG}
+
+docker-builder:
+	docker build -t vpa-autoscaling-builder ../vertical-pod-autoscaler/builder
+
+build-in-docker: clean docker-builder
+	docker run -v `pwd`/..:/gopath/src/k8s.io/autoscaler vpa-autoscaling-builder:latest bash -c 'cd /gopath/src/k8s.io/autoscaler/balancer && make build-linux-amd64'
+
+build-image-in-docker: build-in-docker docker-build
+
+test-in-docker: build-in-docker
+	docker run -v `pwd`/..:/gopath/src/k8s.io/autoscaler vpa-autoscaling-builder:latest bash -c 'cd /gopath/src/k8s.io/autoscaler/balancer && make test-unit'
+
+release: build-image-in-docker docker-push
+	@echo "Full in-docker release ${OFFICIAL_NAME}:${TAG} completed"
+
+clean:
+	rm -f balancer
+
+format:
+	test -z "$$(find . -path ./vendor -prune -type f -o -name '*.go' -exec gofmt -s -d {} + | tee /dev/stderr)" || \
+	test -z "$$(find . -path ./vendor -prune -type f -o -name '*.go' -exec gofmt -s -w {} + | tee /dev/stderr)"
+
+.PHONY: all build test-unit clean format release
+

balancer/deploy/controller.yaml

@@ -0,0 +1,89 @@
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: balancer-controller
+  namespace: kube-system
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  name: balancer-controller
+  namespace: kube-system
+rules:
+  - apiGroups:
+      - balancer.x-k8s.io
+    resources:
+      - balancers
+    verbs:
+      - get
+      - list
+      - watch
+      - patch
+      - update
+  - apiGroups:
+      - ""
+    resources:
+      - pods
+    verbs:
+      - get
+      - list
+      - watch
+  - apiGroups:
+      - apps
+    resources:
+      - deployments/scale
+    verbs:
+      - get
+      - list
+      - watch
+      - patch
+      - update
+  - apiGroups:
+      - ""
+    resources:
+      - events
+    verbs:
+      - get
+      - list
+      - watch
+      - create
+      - patch
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  name: balancer-controller
+  namespace: kube-system
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: balancer-controller
+subjects:
+  - kind: ServiceAccount
+    name: balancer-controller
+    namespace: kube-system
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: balancer-controller
+  namespace: kube-system
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: balancer-controller
+  template:
+    metadata:
+      labels:
+        app: balancer-controller
+    spec:
+      serviceAccountName: balancer-controller
+      containers:
+        - name: controller
+          image: gcr.io/gke-autoscaling-gcr/balancer:0.1.1
+          imagePullPolicy: Always
+          args: ["-v","4"]
+          resources:
+            requests:
+              cpu: 100m