本文主要介绍Kubernetes搭建Zookeeper和Kafka集群
apiVersion: v1
kind: Service
metadata:
labels:
app: zookeeper-cluster-service-1
name: zookeeper-cluster1
spec:
ports:
- name: client
port: 2181
protocol: TCP
- name: follower
port: 2888
protocol: TCP
- name: leader
port: 3888
protocol: TCP
selector:
app: zookeeper-cluster-service-1
---
apiVersion: v1
kind: Service
metadata:
labels:
app: zookeeper-cluster-service-2
name: zookeeper-cluster2
spec:
ports:
- name: client
port: 2181
protocol: TCP
- name: follower
port: 2888
protocol: TCP
- name: leader
port: 3888
protocol: TCP
selector:
app: zookeeper-cluster-service-2
---
apiVersion: v1
kind: Service
metadata:
labels:
app: zookeeper-cluster-service-3
name: zookeeper-cluster3
spec:
ports:
- name: client
port: 2181
protocol: TCP
- name: follower
port: 2888
protocol: TCP
- name: leader
port: 3888
protocol: TCP
selector:
app: zookeeper-cluster-service-3
通过kubectl create -f zookeeper-svc.yaml创建3个Service
apiVersion: apps/v1
kind: Deployment
metadata:
labels:
app: zookeeper-cluster-service-1
name: zookeeper-cluster-1
spec:
replicas: 1
selector:
matchLabels:
app: zookeeper-cluster-service-1
template:
metadata:
labels:
app: zookeeper-cluster-service-1
name: zookeeper-cluster-1
spec:
containers:
- image: zookeeper
imagePullPolicy: IfNotPresent
name: zookeeper-cluster-1
ports:
- containerPort: 2181
env:
- name: ZOO_MY_ID
value: "1"
- name: ZOO_SERVERS
value: "server.1=0.0.0.0:2888:3888 server.2=zookeeper-cluster2:2888:3888 server.3=zookeeper-cluster3:2888:3888"
---
apiVersion: apps/v1
kind: Deployment
metadata:
labels:
app: zookeeper-cluster-service-2
name: zookeeper-cluster-2
spec:
replicas: 1
selector:
matchLabels:
app: zookeeper-cluster-service-2
template:
metadata:
labels:
app: zookeeper-cluster-service-2
name: zookeeper-cluster-2
spec:
containers:
- image: zookeeper
imagePullPolicy: IfNotPresent
name: zookeeper-cluster-2
ports:
- containerPort: 2181
env:
- name: ZOO_MY_ID
value: "2"
- name: ZOO_SERVERS
value: "server.1=zookeeper-cluster1:2888:3888 server.2=0.0.0.0:2888:3888 server.3=zookeeper-cluster3:2888:3888"
---
apiVersion: apps/v1
kind: Deployment
metadata:
labels:
app: zookeeper-cluster-service-1
name: zookeeper-cluster-3
spec:
replicas: 1
selector:
matchLabels:
app: zookeeper-cluster-service-3
template:
metadata:
labels:
app: zookeeper-cluster-service-3
name: zookeeper-cluster-3
spec:
containers:
- image: zookeeper
imagePullPolicy: IfNotPresent
name: zookeeper-cluster-3
ports:
- containerPort: 2181
env:
- name: ZOO_MY_ID
value: "3"
- name: ZOO_SERVERS
value: "server.1=zookeeper-cluster1:2888:3888 server.2=zookeeper-cluster2:2888:3888 server.3=0.0.0.0:2888:3888"
通过kubectl create -f zookeeper-deployment.yaml创建3个Deployment
apiVersion: v1
kind: Service
metadata:
name: kafka-cluster1
labels:
app: kafka-cluster-1
spec:
type: NodePort
ports:
- port: 9092
name: kafka-cluster-1
targetPort: 9092
nodePort: 30091
protocol: TCP
selector:
app: kafka-cluster-1
---
apiVersion: v1
kind: Service
metadata:
name: kafka-cluster2
labels:
app: kafka-cluster-2
spec:
type: NodePort
ports:
- port: 9092
name: kafka-cluster-2
targetPort: 9092
nodePort: 30092
protocol: TCP
selector:
app: kafka-cluster-2
---
apiVersion: v1
kind: Service
metadata:
name: kafka-cluster3
labels:
app: kafka-cluster-3
spec:
type: NodePort
ports:
- port: 9092
name: kafka-cluster-3
targetPort: 9092
nodePort: 30093
protocol: TCP
selector:
app: kafka-cluster-3
通过kubectl create -f kafka-svc.yaml创建3个Service
kind: Deployment
apiVersion: apps/v1
metadata:
name: kafka-cluster-1
spec:
replicas: 1
selector:
matchLabels:
name: kafka-cluster-1
template:
metadata:
labels:
name: kafka-cluster-1
app: kafka-cluster-1
spec:
containers:
- name: kafka-cluster-1
image: wurstmeister/kafka
imagePullPolicy: IfNotPresent
ports:
- containerPort: 9092
env:
- name: KAFKA_ADVERTISED_PORT
value: "9092"
- name: KAFKA_ADVERTISED_HOST_NAME
value: "[zookeeper-cluster1 的 ClusterIP]"
- name: KAFKA_ZOOKEEPER_CONNECT
value: zookeeper-cluster1:2181,zookeeper-cluster2:2181,zookeeper-cluster3:2181
- name: KAFKA_BROKER_ID
value: "1"
---
kind: Deployment
apiVersion: apps/v1
metadata:
name: kafka-cluster-2
spec:
replicas: 1
selector:
matchLabels:
name: kafka-cluster-2
template:
metadata:
labels:
name: kafka-cluster-2
app: kafka-cluster-2
spec:
containers:
- name: kafka-cluster-2
image: wurstmeister/kafka
imagePullPolicy: IfNotPresent
ports:
- containerPort: 9092
env:
- name: KAFKA_ADVERTISED_PORT
value: "9092"
- name: KAFKA_ADVERTISED_HOST_NAME
value: "[zookeeper-cluster2 的 ClusterIP]"
- name: KAFKA_ZOOKEEPER_CONNECT
value: zookeeper-cluster1:2181,zookeeper-cluster2:2181,zookeeper-cluster3:2181
- name: KAFKA_BROKER_ID
value: "2"
---
kind: Deployment
apiVersion: apps/v1
metadata:
name: kafka-cluster-3
spec:
replicas: 1
selector:
matchLabels:
name: kafka-cluster-3
template:
metadata:
labels:
name: kafka-cluster-3
app: kafka-cluster-3
spec:
containers:
- name: kafka-cluster-3
image: wurstmeister/kafka
imagePullPolicy: IfNotPresent
ports:
- containerPort: 9092
env:
- name: KAFKA_ADVERTISED_PORT
value: "9092"
- name: KAFKA_ADVERTISED_HOST_NAME
value: "[zookeeper-cluster3 的 ClusterIP]"
- name: KAFKA_ZOOKEEPER_CONNECT
value: zookeeper-cluster1:2181,zookeeper-cluster2:2181,zookeeper-cluster3:2181
- name: KAFKA_BROKER_ID
value: "3"
通过kubectl create -f kafka-deployment.yaml创建3个Deployment