apiVersion: apps/v1beta1
kind: StatefulSet
metadata:
  name: zoo
  namespace: kafka
spec:
  serviceName: "zoo"
  replicas: 2
  template:
    metadata:
      labels:
        app: zookeeper
        storage: ephemeral
      annotations:
        prometheus.io/scrape: "true"
        prometheus.io/port: "5556"
    spec:
      terminationGracePeriodSeconds: 10
      containers:
      - name: metrics
        image: solsson/kafka-prometheus-jmx-exporter@sha256:1f7c96c287a2dbec1d909cd8f96c0656310239b55a9a90d7fd12c81f384f1f7d
        command:
        - java
        - -Xms39M
        - -Xmx99M
        - -jar
        - jmx_prometheus_httpserver.jar
        - "5556"
        - example_configs/zookeeper.yaml
        ports:
        - containerPort: 5556
        resources:
          requests:
            cpu: 0m
            memory: 40Mi
          limits:
            cpu: 10m
            memory: 100Mi
      - name: zookeeper
        image: solsson/kafka:0.11.0.0@sha256:b27560de08d30ebf96d12e74f80afcaca503ad4ca3103e63b1fd43a2e4c976ce
        env:
        - name: KAFKA_LOG4J_OPTS
          value: -Dlog4j.configuration=file:/opt/kafka/config/log4j.properties
        - name: JMX_PORT
          value: "5555"
        command:
        - /bin/bash
        - -euc
        - >
          export ZOOKEEPER_SERVER_ID=$((${HOSTNAME##*-} + 4));
          echo "${ZOOKEEPER_SERVER_ID:-1}" | tee /var/lib/zookeeper/data/myid;
          sed -i "s/server\.$ZOOKEEPER_SERVER_ID\=[a-z0-9.-]*/server.$ZOOKEEPER_SERVER_ID=0.0.0.0/" config/zookeeper.properties;
          cat config/zookeeper.properties;
          ./bin/zookeeper-server-start.sh config/zookeeper.properties
        ports:
        - containerPort: 2181
          name: client
        - containerPort: 2888
          name: peer
        - containerPort: 3888
          name: leader-election
        resources:
          requests:
            cpu: 10m
            memory: 100Mi
        livenessProbe:
          exec:
            command:
            - /bin/sh
            - -c
            - '[ "imok" = "$(echo ruok | nc -w 1 127.0.0.1 2181)" ]'
        readinessProbe:
          exec:
            command:
            - /bin/sh
            - -c
            - '[ "imok" = "$(echo ruok | nc -w 1 127.0.0.1 2181)" ]'
        volumeMounts:
        - name: config
          mountPath: /opt/kafka/config
        - name: data
          mountPath: /var/lib/zookeeper/data
      volumes:
      - name: config
        configMap:
          name: zookeeper-config
      - name: data
        emptyDir: {}