为了部署kafka和zookeeper,我们使用下面的yaml代码。kafka正在成功运行,我们可以通过pod ip写入和读取kafka主题上的数据,但无法通过服务ip写入kafka主题。
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
name: zookeeper-cluster1
namespace: default
labels:
app: zookeeper-cluster1
spec:
replicas: 1
selector:
matchLabels:
app: zookeeper-cluster1
template:
metadata:
labels:
name: zookeeper-cluster1
app: zookeeper-cluster1
spec:
hostname: zookeeper-cluster1
containers:
- name: zookeeper-cluster1
image: wurstmeister/zookeeper:latest
imagePullPolicy: IfNotPresent
ports:
- containerPort: 2181
- containerPort: 2888
- containerPort: 3888
---
apiVersion: v1
kind: Service
metadata:
name: zookeeper-cluster1
namespace: default
labels:
app: zookeeper-cluster1
spec:
type: NodePort
selector:
app: zookeeper-cluster1
ports:
- name: zookeeper-cluster1
protocol: TCP
port: 2181
targetPort: 2181
- name: zookeeper-follower-cluster1
protocol: TCP
port: 2888
targetPort: 2888
- name: zookeeper-leader-cluster1
protocol: TCP
port: 3888
targetPort: 3888
---
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
name: kafka-cluster
namespace: default
labels:
app: kafka-cluster
spec:
replicas: 1
selector:
matchLabels:
app: kafka-cluster
template:
metadata:
labels:
name: kafka-cluster
app: kafka-cluster
spec:
hostname: kafka-cluster
containers:
- name: kafka-cluster
image: wurstmeister/kafka:latest
imagePullPolicy: IfNotPresent
env:
- name: KAFKA_ADVERTISED_LISTENERS
value: PLAINTEXT://kafka-cluster:9092
- name: KAFKA_ZOOKEEPER_CONNECT
value: zookeeper-cluster1:2181
ports:
- containerPort: 9092
---
apiVersion: v1
kind: Service
metadata:
name: kafka-cluster
namespace: default
labels:
app: kafka-cluster
spec:
type: NodePort
selector:
app: kafka-cluster
ports:
- name: kafka-cluster
protocol: TCP
port: 9092
targetPort: 9092
请说明为什么9092端口上与Kafka相关的服务不起作用。
谢谢
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