VPA Tutorial: Kubernetes YAML Manifests

vpa-demo-deployment.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx-vpa-demo
  namespace: vpa-demo
spec:
  replicas: 2
  selector:
    matchLabels:
      app: nginx-vpa-demo
  template:
    metadata:
      labels:
        app: nginx-vpa-demo
    spec:
      containers:
      - name: nginx
        image: nginx:1.25
        resources:
          requests:
            cpu: "50m"
            memory: "64Mi"
          limits:
            cpu: "200m"
            memory: "256Mi"

vpa-demo-namespace.yaml

apiVersion: v1
kind: Namespace
metadata:
  name: vpa-demo

vpa-demo-service.yaml

apiVersion: v1
kind: Service
metadata:
  name: nginx-vpa-demo
  namespace: vpa-demo
spec:
  selector:
    app: nginx-vpa-demo
  ports:
  - port: 80
    targetPort: 80

vpa-inplace.yaml

apiVersion: autoscaling.k8s.io/v1
kind: VerticalPodAutoscaler
metadata:
  name: nginx-vpa
  namespace: vpa-demo
spec:
  targetRef:
    apiVersion: "apps/v1"
    kind: Deployment
    name: nginx-vpa-demo
  updatePolicy:
    updateMode: "InPlaceOrRecreate"
  resourcePolicy:
    containerPolicies:
    - containerName: "nginx"
      minAllowed:
        cpu: "25m"
        memory: "32Mi"
      maxAllowed:
        cpu: "1"
        memory: "512Mi"
      controlledResources: ["cpu", "memory"]
      controlledValues: "RequestsAndLimits"

vpa-load-generator.yaml

apiVersion: v1
kind: Pod
metadata:
  name: load-generator
  namespace: vpa-demo
spec:
  containers:
  - name: busybox
    image: busybox:1.36
    command:
    - /bin/sh
    - -c
    - |
      echo "Starting load generator..."
      while true; do
        wget -q -O- http://nginx-vpa-demo.vpa-demo.svc.cluster.local > /dev/null 2>&1
      done
  restartPolicy: Always

vpa-recommendation-only.yaml

apiVersion: autoscaling.k8s.io/v1
kind: VerticalPodAutoscaler
metadata:
  name: nginx-vpa
  namespace: vpa-demo
spec:
  targetRef:
    apiVersion: "apps/v1"
    kind: Deployment
    name: nginx-vpa-demo
  updatePolicy:
    updateMode: "Off"
  resourcePolicy:
    containerPolicies:
    - containerName: "nginx"
      minAllowed:
        cpu: "25m"
        memory: "32Mi"
      maxAllowed:
        cpu: "1"
        memory: "512Mi"
      controlledResources: ["cpu", "memory"]