03-sts.yaml

---
apiVersion: v1
kind: Service
metadata:
  name: sts-volume-test
  namespace: default
spec:
  selector:
    app: test-sts
  clusterIP: None
  ports:
    - port: 80
      targetPort: 80
      protocol: TCP
---
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: sts-volume-test
  namespace: default
  labels:
    app: test-sts
spec:
  replicas: 2
  selector:
    matchLabels:
      app: test-sts
  serviceName: sts-volume-test
  template:
    metadata:
      labels:
        app: test-sts
    spec:
      containers:
        - name: volume-test
          image: nginx:1.23.4-alpine
          imagePullPolicy: IfNotPresent
          ports:
            - containerPort: 80
              name: http
              protocol: TCP
          volumeMounts:
            - mountPath: /data
              name: sts-volume
      affinity:
        nodeAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
            nodeSelectorTerms:
              - matchExpressions:
                  - key: kubernetes.io/hostname
                    operator: In
                    values:
                      - ws3.kryukov.local
                      - ws4.kryukov.local
        podAntiAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
            - labelSelector:
                matchExpressions:
                  - key: app
                    operator: In
                    values:
                      - test-sts
              topologyKey: "kubernetes.io/hostname"
  volumeClaimTemplates:
    - spec:
        accessModes:
          - ReadWriteOnce
        storageClassName: local-path
        resources:
          requests:
            storage: 200Mi
      metadata:
        name: sts-volume