apiVersion: v1
kind: Service
metadata:
  name: kafka
spec:
  clusterIP: None
  selector:
    app: kafka
  ports:
  - protocol: TCP
    port: 9092
    targetPort: 9092
---
apiVersion: apps/v1beta1
kind: StatefulSet
metadata:
  name: kafka
spec:
  serviceName: kafka
  replicas: 3
  selector:
    matchLabels:
      app: kafka
  template:
    metadata:
      labels:
        app: kafka
      annotations:
        cni: "weave"
    spec:
      terminationGracePeriodSeconds: 10
      affinity:
        podAntiAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
            - labelSelector:
                matchExpressions:
                  - key: app
                    operator: In
                    values:
                      - kafka
              topologyKey: kubernetes.io/hostname
      containers:
      - name: kafka
        image: wurstmeister/kafka:1.0.0
        ports:
        - containerPort: 9092
        env:
        - name: KAFKA_ADVERTISED_PORT
          value: "9092"
        - name: KAFKA_ZOOKEEPER_CONNECT
          value: zoo1:2181,zoo2:2181,zoo3:2181
        - name: KAFKA_HEAP_OPTS
          value: "-Xmx256M -Xms128M"