httpd-pdb-anti-affinity

httpd-pdb-anti-affinity.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: httpd
  namespace: test
spec:
  replicas: 2
  selector:
    matchLabels:
      app: httpd
  template:
    metadata:
      labels:
        app: httpd
    spec:
      affinity:
        podAntiAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
          - labelSelector:
              matchExpressions:
              - key: app
                operator: In
                values:
                - httpd
            topologyKey: "kubernetes.io/hostname"
      containers:
      - env:
        image: registry.ocp-edge-cluster-0.qe.lab.redhat.com:5000/openshift/prometheus:latest
        imagePullPolicy: IfNotPresent
        name: httpd
        ports:
        - containerPort: 9090
          protocol: TCP
        volumeMounts:
        - mountPath: /prometheus
          name: httpd-volume-1
        readinessProbe:
          httpGet:
            port: 9090
          timeoutSeconds: 2
      volumes:
      - emptyDir: {}
        name: httpd-volume-1
---
apiVersion: policy/v1beta1
kind: PodDisruptionBudget
metadata:
 name: httpd-pdb
spec:
 selector:
   matchLabels:
     app: httpd
 minAvailable: 1
---
apiVersion: v1
kind: Service
metadata:
  labels:
    app: httpd
  name: httpd
  namespace: test
spec:
  ports:
  - name: 9090-tcp
    port: 9090
    protocol: TCP
    targetPort: 9090
  selector:
    app: httpd
---
apiVersion: route.openshift.io/v1
kind: Route
metadata:
  labels:
    app: httpd
  name: httpd
  namespace: test
spec:
  host: httpd-test.apps.ocp-edge-cluster-0.qe.lab.redhat.com
  port:
    targetPort: 9090-tcp
  to:
    kind: Service
    name: httpd
    weight: 100
  wildcardPolicy: None