mac使用docker搭建kafka集群方式
一 環(huán)境準(zhǔn)備
| 環(huán)境 | 參數(shù) |
|---|---|
| mac | mac os12.3 |
| docker | 4.2.0 |
| kafka | wurstmeister/kafka |
| zookeeper | zookeeper:latest |
二 前期準(zhǔn)備
為了防止一些小伙伴前面自己做過docker搭建kafka,影響后續(xù)工作,先刪除一下之前的歷史配置,沒有做過的可以直接跳過。
- 刪除所有dangling數(shù)據(jù)卷(即無用的Volume,僵尸文件)
docker volume rm $(docker volume ls -qf dangling=true)
- 刪除所有dangling鏡像(即無tag的鏡像)
docker rmi $(docker images | grep "^<none>" | awk "{print $3}"
- 刪除所有關(guān)閉的容器
docker ps -a | grep Exit | cut -d ' ' -f 1 | xargs docker rm
三 編寫docker文件
集群規(guī)劃
| hostname | Ip addr | port | listener |
|---|---|---|---|
| zook1 | 172.20.10.11 | 2184:2181 | |
| zook2 | 172.20.10.12 | 2185:2181 | |
| zook3 | 172.20.10.11 | 2184:2181 | |
| kafka1 | 172.20.10.11 | 內(nèi)部9092:9092,外部9192:9192 | kafka1 |
| kafka2 | 172.20.10.11 | 內(nèi)部9093:9093,外部9193:9193 | kafka2 |
| Kafka3 | 172.20.10.16 | 內(nèi)部9094:9094,外部9194:9194 | Kafka3 |
| 本機(jī) | (宿主機(jī)Mbp) | 172.20.10.2 |
編寫docker文件
(1)zk-docker-compose.yml
version: '3.4'
services:
zook1:
image: zookeeper:latest
#restart: always #自動重新啟動
hostname: zook1
container_name: zook1 #容器名稱,方便在rancher中顯示有意義的名稱
ports:
- 2183:2181 #將本容器的zookeeper默認(rèn)端口號映射出去
volumes: # 掛載數(shù)據(jù)卷 前面是宿主機(jī)即本機(jī)的目錄位置,后面是docker的目錄
- "/Users/zhy/opt/kafka/zookeeper/volume/zkcluster/zook1/data:/data"
- "/Users/zhy/opt/kafka/zookeeper/volume/zkcluster/zook1/datalog:/datalog"
- "/Users/zhy/opt/kafka/zookeeper/volume/zkcluster/zook1/logs:/logs"
environment:
ZOO_MY_ID: 1 #即是zookeeper的節(jié)點(diǎn)值,也是kafka的brokerid值
ZOO_SERVERS: server.1=zook1:2888:3888;2181 server.2=zook2:2888:3888;2181 server.3=zook3:2888:3888;2181
networks:
docker-net:
ipv4_address: 172.20.10.11
zook2:
image: zookeeper:latest
#restart: always #自動重新啟動
hostname: zook2
container_name: zook2 #容器名稱,方便在rancher中顯示有意義的名稱
ports:
- 2184:2181 #將本容器的zookeeper默認(rèn)端口號映射出去
volumes:
- "/Users/zhy/opt/kafka/zookeeper/volume/zkcluster/zook2/data:/data"
- "/Users/zhy/opt/kafka/zookeeper/volume/zkcluster/zook2/datalog:/datalog"
- "/Users/zhy/opt/kafka/zookeeper/volume/zkcluster/zook2/logs:/logs"
environment:
ZOO_MY_ID: 2 #即是zookeeper的節(jié)點(diǎn)值,也是kafka的brokerid值
ZOO_SERVERS: server.1=zook1:2888:3888;2181 server.2=zook2:2888:3888;2181 server.3=zook3:2888:3888;2181
networks:
docker-net:
ipv4_address: 172.20.10.12
zook3:
image: zookeeper:latest
#restart: always #自動重新啟動
hostname: zook3
container_name: zook3 #容器名稱,方便在rancher中顯示有意義的名稱
ports:
- 2185:2181 #將本容器的zookeeper默認(rèn)端口號映射出去
volumes:
- "/Users/zhy/opt/kafka/zookeeper/volume/zkcluster/zook3/data:/data"
- "/Users/zhy/opt/kafka/zookeeper/volume/zkcluster/zook3/datalog:/datalog"
- "/Users/zhy/opt/kafka/zookeeper/volume/zkcluster/zook3/logs:/logs"
environment:
ZOO_MY_ID: 3 #即是zookeeper的節(jié)點(diǎn)值,也是kafka的brokerid值
ZOO_SERVERS: server.1=zook1:2888:3888;2181 server.2=zook2:2888:3888;2181 server.3=zook3:2888:3888;2181
networks:
docker-net:
ipv4_address: 172.20.10.13
networks:
docker-net:
name: docker-net(2)kafka-docker-compose.yml
version: '2'
services:
kafka1:
image: docker.io/wurstmeister/kafka
#restart: always #自動重新啟動
hostname: kafka1
container_name: kafka1
ports:
- 9093:9093
- 9193:9193
environment:
KAFKA_BROKER_ID: 1
KAFKA_LISTENERS: INSIDE://:9093,OUTSIDE://:9193
#KAFKA_ADVERTISED_LISTENERS=INSIDE://<container>:9092,OUTSIDE://<host>:9094
KAFKA_ADVERTISED_LISTENERS: INSIDE://172.20.10.14:9093,OUTSIDE://localhost:9193
KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: INSIDE:PLAINTEXT,OUTSIDE:PLAINTEXT
KAFKA_INTER_BROKER_LISTENER_NAME: INSIDE
KAFKA_ZOOKEEPER_CONNECT: zook1:2181,zook2:2181,zook3:2181
ALLOW_PLAINTEXT_LISTENER : 'yes'
JMX_PORT: 9999 #開放JMX監(jiān)控端口,來監(jiān)測集群數(shù)據(jù)
volumes:
- /Users/zhy/Development/volume/kafka/kafka1/wurstmeister/kafka:/wurstmeister/kafka
- /Users/zhy/Development/volume/kafka/kafka1/kafka:/kafka
external_links:
- zook1
- zook2
- zook3
networks:
docker-net:
ipv4_address: 172.20.10.14
kafka2:
image: docker.io/wurstmeister/kafka
#restart: always #自動重新啟動
hostname: kafka2
container_name: kafka2
ports:
- 9094:9094
- 9194:9194
environment:
KAFKA_BROKER_ID: 2
KAFKA_LISTENERS: INSIDE://:9094,OUTSIDE://:9194
#KAFKA_ADVERTISED_LISTENERS=INSIDE://<container>:9092,OUTSIDE://<host>:9094
KAFKA_ADVERTISED_LISTENERS: INSIDE://172.20.10.15:9094,OUTSIDE://localhost:9194
KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: INSIDE:PLAINTEXT,OUTSIDE:PLAINTEXT
KAFKA_INTER_BROKER_LISTENER_NAME: INSIDE
KAFKA_ZOOKEEPER_CONNECT: zook1:2181,zook2:2181,zook3:2181
ALLOW_PLAINTEXT_LISTENER : 'yes'
JMX_PORT: 9999 #開放JMX監(jiān)控端口,來監(jiān)測集群數(shù)據(jù)
volumes:
- /Users/zhy/Development/volume/kafka/kafka2/wurstmeister/kafka:/wurstmeister/kafka
- /Users/zhy/Development/volume/kafka/kafka2/kafka:/kafka
external_links:
- zook1
- zook2
- zook3
networks:
docker-net:
ipv4_address: 172.20.10.15
kafka3:
image: docker.io/wurstmeister/kafka
#restart: always #自動重新啟動
hostname: kafka3
container_name: kafka3
ports:
- 9095:9095
- 9195:9195
environment:
KAFKA_BROKER_ID: 3
KAFKA_LISTENERS: INSIDE://:9095,OUTSIDE://:9195
#KAFKA_ADVERTISED_LISTENERS=INSIDE://<container>:9092,OUTSIDE://<host>:9094
KAFKA_ADVERTISED_LISTENERS: INSIDE://172.20.10.16:9095,OUTSIDE://localhost:9195
KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: INSIDE:PLAINTEXT,OUTSIDE:PLAINTEXT
KAFKA_INTER_BROKER_LISTENER_NAME: INSIDE
KAFKA_ZOOKEEPER_CONNECT: zook1:2181,zook2:2181,zook3:2181
ALLOW_PLAINTEXT_LISTENER : 'yes'
JMX_PORT: 9999 #開放JMX監(jiān)控端口,來監(jiān)測集群數(shù)據(jù)
volumes:
- /Users/zhy/Development/volume/kafka/kafka3/wurstmeister/kafka:/wurstmeister/kafka
- /Users/zhy/Development/volume/kafka/kafka3/kafka:/kafka
external_links:
- zook1
- zook2
- zook3
networks:
docker-net:
ipv4_address: 172.20.10.16
networks:
docker-net:
name: docker-net(3)kafka-manager-docker-compose.yml
version: '2'
services:
kafka-manager:
image: scjtqs/kafka-manager:latest
restart: always
hostname: kafka-manager
container_name: kafka-manager
ports:
- 9000:9000
external_links: # 連接本compose文件以外的container
- zook1
- zook2
- zook3
- kafka1
- kafka2
- kafka3
environment:
ZK_HOSTS: zook1:2181,zook2:2181,zook3:2181
KAFKA_BROKERS: kafka1:9093,kafka2:9094,kafka3:9095
APPLICATION_SECRET: letmein
KM_ARGS: -Djava.net.preferIPv4Stack=true
networks:
docker-net:
ipv4_address: 172.20.10.10
networks:
docker-net:
external:
name: docker-net(4)在文件目錄下,依次啟動docker文件
docker compose -p zookeeper -f ./zk-docker-compose.yml up -d
docker compose -f ./kafka-docker-compose.yml up -d
docker compose -f ./kafka-manager-docker-compose.yml up -d
如圖:

(5)創(chuàng)建分區(qū)
隨便進(jìn)入一個kafka容器內(nèi)
cd /opt/kafka_2.13-2.8.1/
bin/kafka-topics.sh --create --zookeeper zook1:2181 --replication-factor 2 --partitions 2 --topic partopic
四 整合spriongboot
pom中引入依賴
<dependency>
<groupId>org.springframework.kafka</groupId>
<artifactId>spring-kafka</artifactId>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.12.0</version>
</dependency>這樣kafka的依賴會與你的springboot版本一致。
配置文件:
spring:
kafka:
bootstrap-servers: 172.20.10.14:9093,172.20.10.15:9094,172.20.10.16:9095
producer:
key-serializer: org.apache.kafka.common.serialization.StringSerializer
value-serializer: org.apache.kafka.common.serialization.StringSerializer
consumer:
group-id: test
key-deserializer: org.apache.kafka.common.serialization.StringDeserializer
value-deserializer: org.apache.kafka.common.serialization.StringDeserializer**注意:**(1)此版本kafka,bootstrap-servers已經(jīng)不需要依賴zookeeper,所以直接配置kafka本身的ip及端口。如果用zookeeper配置會報錯:
[Producer clientId=producer-1] Bootstrap broker 172.20.10.12:2181 (id: -2 rack: null) disconnected 06-21 23:21:36.768 ERROR
(2)但是mac中本身與容器不能互通,所以需要自己添加網(wǎng)絡(luò)代理,引用一個文章配置
(3)kafka配置文件中的KAFKA_LISTENERS配置不能用容器名,雖然用容器名配置沒問題,但是在mac本機(jī)使用,會導(dǎo)致識別不到該host。**
生產(chǎn)者代碼:
package com.ziyi.controller;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.kafka.core.KafkaTemplate;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
/**
* @author zhy
* @data 2022/6/21 21:17
*/
@RestController
@RequestMapping("/kafka")
public class TestKafkaMQController {
@Autowired
private KafkaTemplate template;
@RequestMapping("/sendMsg")
public String sendMsg(String topic, String message) {
template.send(topic, message);
return "success";
}
}
消費(fèi)者代碼
package com.ziyi.mq.kafka.consumer;
import org.apache.kafka.clients.consumer.ConsumerRecord;
import org.springframework.kafka.annotation.KafkaListener;
/**
* @author zhy
* @data 2022/6/21 21:16
*/
public class KafkaConsumer {
@KafkaListener(topics = {"partopic"})
public void listen(ConsumerRecord record){
System.out.println(record.topic()+":"+record.value());
}
}
接下來用postman測試下:
http://localhost:8081/kafka/sendMsg?topic=partopic&message=helloword

日志也沒報錯。
總結(jié)
以上為個人經(jīng)驗(yàn),希望能給大家一個參考,也希望大家多多支持腳本之家。
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