apiVersion: autoscaling/v2
kind: HorizontalPodAutoscaler
metadata:
  labels:
  name: hpa-hello
  namespace: test-metrics
spec:
  minReplicas: 1
  maxReplicas: 2
  metrics:
  - containerResource:
      container: hello-1
      name: cpu
      target:
        averageUtilization: 90
        type: Utilization
    type: ContainerResource
  - containerResource:
      container: hello-2
      name: cpu
      target:
        averageUtilization: 90
        type: Utilization
    type: ContainerResource
  scaleTargetRef:
    apiVersion: apps/v1
    kind: Deployment
    name: hello

    

 
apiVersion: apps/v1
kind: Deployment
metadata:
  name: hello
  namespace: test-metrics
  labels:
    app: hello
    version: v1
spec:
  strategy:
    type: Recreate
  replicas: 1
  selector:
    matchLabels:
      app: hello
  template:
    metadata:
      labels:
        app: hello
        version: v1
    spec:
      automountServiceAccountToken: false
      containers:
      - name: hello-1
        image: registry.access.redhat.com/ubi9/ubi-minimal:latest
        command: ["/bin/bash", "-c", "echo 'Hello from container 1'; sleep infinity"]
        resources:
          requests:
            cpu: 50m
            memory: 128Mi
        securityContext:
          readOnlyRootFilesystem: true
          allowPrivilegeEscalation: false
      - name: hello-2
        image: registry.access.redhat.com/ubi9/ubi-minimal:latest
        command: ["/bin/bash", "-c", "echo 'Hello from container 2'; sleep infinity"]
        resources:
          requests:
            cpu: 50m
            memory: 128Mi
        securityContext:
          readOnlyRootFilesystem: true
          allowPrivilegeEscalation: false

 
oc exec -n openshift-monitoring prometheus-k8s-0 -- curl -s -k --cert /etc/prometheus/secrets/metrics-client-certs/tls.crt --key /etc/prometheus/secrets/metrics-client-certs/tls.key https://kube-state-metrics.openshift-monitoring.svc:8443/metrics | uniq -D

kube_horizontalpodautoscaler_spec_target_metric{namespace="test-metrics",horizontalpodautoscaler="hpa-hello",metric_name="cpu",metric_target_type="utilization"} 90
kube_horizontalpodautoscaler_spec_target_metric{namespace="test-metrics",horizontalpodautoscaler="hpa-hello",metric_name="cpu",metric_target_type="utilization"} 90