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apiVersion: flink.apache.org/v1beta1
kind: FlinkDeployment
metadata:
  namespace: default
  name: flink-example-statemachine
spec:
  image: flink:1.20
  flinkVersion: v1_20
  ingress:
    template: "/{{namespace}}/{{name}}(/|$)(.*)"
    className: "nginx"
    annotations:
      nginx.ingress.kubernetes.io/rewrite-target: "/$2"
  flinkConfiguration:
    taskmanager.numberOfTaskSlots: 2
    high-availability:
      type: kubernetes
      storageDir: file:///opt/flink/volume/flink-ha
    state:
      checkpoints.dir: file:///opt/flink/volume/flink-cp
      savepoints.dir: file:///opt/flink/volume/flink-sp
    kubernetes.operator.snapshot.resource.enabled: false
  serviceAccount: flink
  podTemplate:
    spec:
      initContainers:
        - name: artifacts-fetcher
          image: busybox:1.35.0
          imagePullPolicy: IfNotPresent
          # Use wget or other tools to get user jars from remote storage
          command: [ 'wget', 'STREAMING_EXAMPLES_JAR_URL', '-O', '/flink-artifact/myjob.jar' ]
          volumeMounts:
            - mountPath: /flink-artifact
              name: flink-artifact
      containers:
        # Do not change the main container name
        - name: flink-main-container
          resources:
            requests:
              ephemeral-storage: 2048Mi
            limits:
              ephemeral-storage: 2048Mi
          volumeMounts:
            - mountPath: /opt/flink/usrlib
              name: flink-artifact
            - mountPath: /opt/flink/volume
              name: flink-volume
      volumes:
        - name: flink-artifact
          emptyDir: { }
        - name: flink-volume
          persistentVolumeClaim:
            claimName: flink-example-statemachine
  jobManager:
    resource:
      memory: "1024m"
      cpu: 0.5
  taskManager:
    resource:
      memory: "1Gi"
      cpu: 0.5
  job:
    jarURI: local:///opt/flink/usrlib/myjob.jar
    entryClass: org.apache.flink.streaming.examples.statemachine.StateMachineExample
    parallelism: 2
    upgradeMode: last-state
  mode: native

---
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: flink-example-statemachine
spec:
  accessModes:
    - ReadWriteOnce
  volumeMode: Filesystem
  resources:
    requests:
      storage: 1Gi

---
apiVersion: networking.k8s.io/v1
kind: IngressClass
metadata:
  annotations:
    ingressclass.kubernetes.io/is-default-class: "true"
  labels:
    app.kubernetes.io/component: controller
  name: nginx
spec:
  controller: k8s.io/ingress-nginx
