Example spec for creating a simple, unsecured, Operator-managed deployment of Apache Flink

flink-deployment.yaml

#
# Creating an Operator-managed deployment of Apache Flink
#

#
# permissions for running a Flink pod
#
apiVersion: rbac.authorization.k8s.io/v1
kind: Role
metadata:
  name: flink
  labels:
    app.kubernetes.io/name: flink-kubernetes-operator
    app.kubernetes.io/version: 1.4.0
rules:
  - verbs:
      - '*'
    apiGroups:
      - ''
    resources:
      - pods
      - configmaps
      - services
  - verbs:
      - '*'
    apiGroups:
      - apps
    resources:
      - deployments
      - deployments/finalizers
---
apiVersion: v1
kind: ServiceAccount
metadata:
  name: flink
---
apiVersion: rbac.authorization.k8s.io/v1
kind: RoleBinding
metadata:
  name: flink-role-binding
subjects:
  - kind: ServiceAccount
    name: flink
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: Role
  name: flink
---

#
# flink deployment
#

kind: FlinkDeployment
apiVersion: flink.apache.org/v1beta1
metadata:
  name: my-flink
spec:
  # built using Dockerfile at
  #  https://gist.github.com/dalelane/0bf366df692e1e754556d152c7dc21aa
  image: dalelane/flink-with-connectors:latest
  flinkVersion: v1_17
  flinkConfiguration:
    taskmanager.numberOfTaskSlots: '10'
  jobManager:
    resource:
      memory: 2048m
      cpu: 1
  taskManager:
    resource:
      memory: 6648m
      cpu: 4
  serviceAccount: flink
  podTemplate:
    apiVersion: v1
    kind: Pod
    spec:
      containers:
        - name: flink-main-container
          volumeMounts:
            - mountPath: /opt/flink/log
              name: flink-logs
      volumes:
        - emptyDir: {}
          name: flink-logs
---
#
# route for making the Flink dashboard UI externally
#  accessible
#
apiVersion: route.openshift.io/v1
kind: Route
metadata:
  name: flink-ui-dashboard
  labels:
    app: my-flink
    type: flink-native-kubernetes
spec:
  to:
    kind: Service
    name: my-flink-rest
  tls: null
  port:
    targetPort: rest