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kafka集群部署教程

#### 部署zookeeper集群【单数节点 3,5,7等】

1、先部署zookeeper集群一般是3个节点,安装zookeeper 依赖java 环境先安装 jdk

yum install java-1.8.0-openjdk-devel -y

java -version #查看jdk版本

2、创建工作目录（3个节点都需要执行）

mkdir -p /usr/local/zookeeper

日志存储目录（3个节点都需要执行）

mkdir -p /usr/local/zookeeper/dataDir

3、下载安装包并解压(3个节点都需要执行)

cd /usr/local/zookeeper

wget https://mirrors.tuna.tsinghua.edu.cn/apache/zookeeper/zookeeper-3.8.3/apache-zookeeper-3.8.3-bin.tar.gz

浏览器访问下载： https://dlcdn.apache.org/zookeeper/zookeeper-3.8.3/apache-zookeeper-3.8.3-bin.tar.gz

mv apache-zookeeper-3.8.3-bin.tar.gz apache-zookeeper.tar.gz

tar -xvf apache-zookeeper.tar.gz

4、新增实例文件（3个节点都需要执行）myid文件后续zoo.cfg中使用

echo "1" > /usr/local/zookeeper/dataDir/myid

echo "2" > /usr/local/zookeeper/dataDir/myid

echo "3" > /usr/local/zookeeper/dataDir/myid

5、配置修改,并scp 到另外2台机器上面

cd /usr/local/zookeeper/apache-zookeeper/conf

mv zoo_sample.cfg zoo.cfg

vim zoo.cfg

egrep -v "^#|^$" zoo.cfg

tickTime=2000
initLimit=10
syncLimit=5
dataDir=/usr/local/zookeeper/dataDir
server.1=10.x.x.2:2888:3888
server.2=10.x.x.3:2888:3888
server.3=10.x.x.4:2888:3888
clientPort=2181
maxClientCnxns=60

6、关闭防火墙

systemctl stop firewalld && systemctl disable firewalld

7、配置systemd 服务

cd /usr/lib/systemd/system/

创建zookeeper 服务文件

cat zookeeper.service

[Unit]
Description=Zookeeper Server
After=network-online.target remote-fs.target nss-lookup.target
Wants=network-online.target
[Service]
Type=forking
ExecStart=/usr/local/zookeeper/apache-zookeeper/bin/zkServer.sh start
ExecStop=/usr/local/zookeeper/apache-zookeeper/bin/zkServer.sh stop
User=root
Group=root
[Install]
WantedBy=multi-user.target

刷新 systemctl

systemctl daemon-reload

systemctl enable --now zookeeper

8、查看集群状态

/usr/local/zookeeper/apache-zookeeper/bin/zkServer.sh status

#######部署kafka集群###########

1、创建工作目录（3个节点都需要执行）

mkdir -p /usr/local/kafka

2、下载安装包解压(3个节点都需要执行)

cd /usr/local

wget https://archive.apache.org/dist/kafka/3.4.0/kafka_2.12-3.4.0.tgz

mv kafka_2.12-3.4.0.tgz kafka.tgz

tar zxf kafka.tgz

3、cd /usr/local/kafka/kafka/config （3个节点都需要只需要关注修改项broker.id、listeners、zookeeper.connect、log.dirs）

#节点1#

vim server.properties

broker.id=0
listeners=PLAINTEXT://10.x.x.2:9092
num.network.threads=3
num.io.threads=8
socket.send.buffer.bytes=102400
socket.receive.buffer.bytes=102400
socket.request.max.bytes=104857600
log.dirs=/var/log/kafka-logs
num.partitions=1
num.recovery.threads.per.data.dir=1
offsets.topic.replication.factor=1
transaction.state.log.replication.factor=1
transaction.state.log.min.isr=1
log.retention.hours=168
log.segment.bytes=1073741824
log.retention.check.interval.ms=300000
zookeeper.connect=10.x.x.2:2181,10.x.x.3:2181,10.x.x.4:2181
zookeeper.connection.timeout.ms=18000
group.initial.rebalance.delay.ms=0

#节点2#

broker.id=1
listeners=PLAINTEXT://10.x.x.3:9092
num.network.threads=3
num.io.threads=8
socket.send.buffer.bytes=102400
socket.receive.buffer.bytes=102400
socket.request.max.bytes=104857600
log.dirs=/var/log/kafka-logs
num.partitions=1
num.recovery.threads.per.data.dir=1
offsets.topic.replication.factor=1
transaction.state.log.replication.factor=1
transaction.state.log.min.isr=1
log.retention.hours=168
log.segment.bytes=1073741824
log.retention.check.interval.ms=300000
zookeeper.connect=10.x.x.2:2181,10.x.x.3:2181,10.x.x.4:2181
zookeeper.connection.timeout.ms=18000
group.initial.rebalance.delay.ms=0

#节点3#

broker.id=3
listeners=PLAINTEXT://10.x.x.4:9092
num.network.threads=3
num.io.threads=8
socket.send.buffer.bytes=102400
socket.receive.buffer.bytes=102400
socket.request.max.bytes=104857600
log.dirs=/var/log/kafka-logs
num.partitions=1
num.recovery.threads.per.data.dir=1
offsets.topic.replication.factor=1
transaction.state.log.replication.factor=1
transaction.state.log.min.isr=1
log.retention.hours=168
log.segment.bytes=1073741824
log.retention.check.interval.ms=300000
zookeeper.connect=10.x.x.2:2181,10.x.x.3:2181,10.x.x.4:2181
zookeeper.connection.timeout.ms=18000
group.initial.rebalance.delay.ms=0

4、配置 systemd kafka服务，创建kafka服务文件(3台节点都需要执行)

cd /lib/systemd/system/

vim kafka.service

[Unit]
Description=Kafka Server
After=network-online.target remote-fs.target nss-lookup.target
Wants=network-online.target
[Service]
Type=forking
ExecStart=/usr/local/kafka/kafka/bin/kafka-server-start.sh -daemon /usr/local/kafka/kafka/config/server.properties
ExecStop=/usr/local/kafka/kafka/bin/kafka-server-stop.sh
User=root
Group=root

[Install]
WantedBy=multi-user.target

5、刷新systemctl

systemctl daemon-reload

设置kafka开机自启动

systemctl enable --now kafka

#Kafka基于SASL框架PLAIN认证机制配置用户密码认证

1、【节点1,2,3修改 server.properties】

cat /usr/local/kafka/kafka/config/server.properties

broker.id=0
listeners=SASL_PLAINTEXT://10.x.x.2:9092
advertised.listeners=SASL_PLAINTEXT://10.x.x.2:9092
security.inter.broker.protocol=SASL_PLAINTEXT
sasl.enabled.mechanisms=PLAIN
sasl.mechanism.inter.broker.protocol=PLAIN
authorizer.class.name=kafka.security.authorizer.AclAuthorizer
super.users=User:admin
allow.everyone.if.no.acl.found=true
num.network.threads=3
num.io.threads=8
socket.send.buffer.bytes=102400
socket.receive.buffer.bytes=102400
socket.request.max.bytes=104857600
log.dirs=/var/log/kafka-logs
num.partitions=1
num.recovery.threads.per.data.dir=1
offsets.topic.replication.factor=1
transaction.state.log.replication.factor=1
transaction.state.log.min.isr=1
log.retention.hours=168
log.segment.bytes=1073741824
log.retention.check.interval.ms=300000
zookeeper.connect=10.x.x.2:2181,10.x.x.3:2181,10.x.x.4:2181
zookeeper.connection.timeout.ms=18000
group.initial.rebalance.delay.ms=0
delete.topic.enable=true
auto.create.topics.enable=true

log.retention.hours=168

2、添加SASL配置文件

cat /usr/local/kafka/kafka/config/kafka_server_jaas.conf

KafkaServer {
org.apache.kafka.common.security.plain.PlainLoginModule required
username="admin"
password="Aa123456"
user_admin="Aa123456"
user_producer="Aa123456"
user_consumer="Aa123456";
};

注:该配置通过org.apache.org.apache.kafka.common.security.plain.PlainLoginModule指定采用PLAIN机制，定义了用户，usemame和password指定该代理与集群其他代理初始化连接的用户名和密码,"user_"为前缀后接用户名方式创建连接代理的用户名和密码，例如，user_producer=“Aa123456”是指用户名为producer，密码为Aa123456,username为admin的用户，和user为admin的用户，密码要保持一致，否则会认证失败

3、修改启动脚本，添加-Djava.security.auth.login.config=/usr/local/kafka/kafka/config/kafka_server_jaas.conf

cat /usr/local/kafka/kafka/bin/kafka-server-start.sh

export KAFKA_HEAP_OPTS="-Xmx1G -Xms1G -Djava.security.auth.login.config=/usr/local/kafka/kafka/config/kafka_server_jaas.conf"

4、重启kafka服务

5、创建客户端认证配置文件

cat /usr/local/kafka/kafka/config/kafka_client_jaas.conf

KafkaClient {
org.apache.kafka.common.security.plain.PlainLoginModule required
username="admin"
password="Aa123456";
};

6、添加kafka-console-producer.sh认证文件和kafka-console-consumer.sh认证文件

cat /usr/local/kafka/kafka/bin/kafka-console-producer.sh

export KAFKA_HEAP_OPTS="-Xmx512M -Djava.security.auth.login.config=/usr/local/kafka/kafka/config/kafka_client_jaas.conf"

cat /usr/local/kafka/kafka/bin/kafka-console-consumer.sh

export KAFKA_HEAP_OPTS="-Xmx512M -Djava.security.auth.login.config=/usr/local/kafka/kafka/config/kafka_client_jaas.conf"

7、客户端验证

在config文件夹新建文件sasl.conf，用来认证

cat /usr/local/kafka/sasl.conf

security.protocol=SASL_PLAINTEXT
sasl.mechanism=PLAIN

设置环境变量指定jaas文件

export KAFKA_OPTS="-Djava.security.auth.login.config=/usr/local/kafka/kafka/config/kafka_client_jaas.conf"

#配置环境变量

echo "export KAFKA_OPTS="-Djava.security.auth.login.config=/usr/local/kafka/kafka/config/kafka_client_jaas.conf"" >>/etc/profile

source /etc/profile

/usr/local/kafka/kafka/bin/kafka-topics.sh --list --bootstrap-server 10.x.x.2:9092 --command-config /usr/local/kafka/sasl.conf

/usr/local/kafka/bin/kafka-console-producer.sh --bootstrap-server 10.x.x.2:9092,10.x.x.3:9092,10.x.x.4:9092 --topic myj-kafka-topic --producer.config /usr/local/kafka/kafka/config/producer.properties --producer-property security.protocol=SASL_PLAINTEXT --producer-property sasl.mechanism=PLAIN # 生产者生产消息

/usr/local/kafka/bin/kafka-console-consumer.sh --bootstrap-server 10.x.x.2:9092,10.x.x.3:9092,10.x.x.4:9092 --topic myj-kafka-topic --from-beginning --consumer-property security.protocol=SASL_PLAINTEXT --consumer-property sasl.mechanism=PLAIN # 消费者新客户端从头开始消费消费

#Kafka基于SASL框架SCRAM-SHA-256认证机制配置用户密码认证

1、创建SCRAM证书
创建broker通信用户：admin(在使用sasl之前必须先创建,否则启动报错)

/usr/local/kafka/kafka/bin/kafka-configs.sh --bootstrap-server 10.x.x.2:9092,10.x.x.3:9092,10.x.x.4:9092 --alter --add-config 'SCRAM-SHA-256=[password=Aa123456],SCRAM-SHA-512=[password=Aa123456]' --entity-type users --entity-name admin

#查看所有用户凭证

/usr/local/kafka/kafka/bin/kafka-configs.sh --zookeeper 10.x.x.2:2181,10.x.x.3:2181,10.x.x.4:2181 --describe --entity-type users

#删除凭证

/usr/local/kafka/kafka/bin/kafka-configs.sh --bootstrap-server 10.x.x.2:9092,10.x.x.3:9092,10.x.x.4:9092 --alter --delete-config 'SCRAM-SHA-256,SCRAM-SHA-512' --entity-type users --entity-name admin

#更新密码

/usr/local/kafka/kafka/bin/kafka-configs.sh --bootstrap-server 10.x.x.2:9092,10.x.x.3:9092,10.x.x.4:9092 --entity-type users --entity-name admin --alter --add-config 'SCRAM-SHA-256=[password=LtSwpjau2VHHLmpZxZ],SCRAM-SHA-512=[password=LtSwpjau2VHHLmpZxZ]' --command-config /usr/local/kafka/sasl.conf

#客户端配置

cat /usr/local/kafka/sasl.conf

security.protocol=SASL_PLAINTEXT
sasl.mechanism=SCRAM-SHA-256

2、【节点1,2,3修改 server.properties】

cat /usr/local/kafka/kafka/config/server.properties

broker.id=0
listeners=SASL_PLAINTEXT://10.x.x.2:9092
advertised.listeners=SASL_PLAINTEXT://10.x.x.2:9092
security.inter.broker.protocol=SASL_PLAINTEXT
sasl.enabled.mechanisms=SCRAM-SHA-256
sasl.mechanism.inter.broker.protocol=SCRAM-SHA-256
authorizer.class.name=kafka.security.authorizer.AclAuthorizer
allow.everyone.if.no.acl.found=true
num.network.threads=3
num.io.threads=8
socket.send.buffer.bytes=102400
socket.receive.buffer.bytes=102400
socket.request.max.bytes=104857600
log.dirs=/var/log/kafka-logs
num.partitions=10
num.recovery.threads.per.data.dir=1
offsets.topic.replication.factor=1
transaction.state.log.replication.factor=1
transaction.state.log.min.isr=1
log.retention.hours=168
log.segment.bytes=1073741824
log.retention.check.interval.ms=300000
zookeeper.connect=10.x.x.2:2181,10.x.x.3:2181,10.x.111.4:2181

zookeeper.connection.timeout.ms=18000
group.initial.rebalance.delay.ms=0
delete.topic.enable=true
auto.create.topics.enable=true

3、添加SASL配置文件

cat /usr/local/kafka/kafka/config/kafka_server_jaas.conf

KafkaServer {
org.apache.kafka.common.security.scram.ScramLoginModule required
username="admin"
password="Aa123456"
user_admin="Aa123456";
};

4、修改启动脚本

vim /usr/local/kafka/kafka/bin/kafka-server-start.sh

export KAFKA_HEAP_OPTS="-Xmx1G -Xms1G -Djava.security.auth.login.config=/usr/local/kafka/kafka/config/kafka_server_jaas.conf"

5、重启kafka
systemctl daemon-reload
systemctl restart kafka

6、创建客户端认证配置文件

cat /usr/local/kafka/kafka/sasl/kafka_client_jaas.conf

KafkaClient {
org.apache.kafka.common.security.scram.ScramLoginModule required
username="admin"
password="Aa123456";

};

7、添加kafka-console-producer.sh和kafka-console-consumer.sh 证书文件

添加kafka-console-producer.sh认证文件
vim /usr/local/kafka/kafka/bin/kafka-console-producer.sh
export KAFKA_HEAP_OPTS="-Xmx512M -Djava.security.auth.login.config=/usr/local/kafka/kafka/config/sasl/kafka_client_jaas.conf"
添加kafka-console-consumer.sh认证文件
vim /usr/local/kafka/kafka/bin/kafka-console-consumer.sh
export KAFKA_HEAP_OPTS="-Xmx512M -Djava.security.auth.login.config=/usr/local/kafka/kafka/config/sasl/kafka_client_jaas.conf"

8、客户端验证

#生产者

/usr/local/kafka/kafka/bin/kafka-console-producer.sh --broker-list 10.x.x.2:9092,10.x.x.3:9092,10.x.x.4:9092 --topic myj-topic --producer-property security.protocol=SASL_PLAINTEXT --producer-property sasl.mechanism=SCRAM-SHA-256

#消费者

/usr/local/kafka/kafka/bin/kafka-console-consumer.sh --bootstrap-server 10.x.x.2:9092,10.x.x.3:9092,10.x.x.4:9092 --topic myj-topic --group myj-group --from-beginning --consumer-property security.protocol=SASL_PLAINTEXT --consumer-property sasl.mechanism=SCRAM-SHA-256 #创建消费者组myj-group
#消费者组列表

/usr/local/kafka/kafka/bin/kafka-consumer-groups.sh --bootstrap-server 10.x.x.2:9092,10.x.x.3:9092,10.x.x.4:9092 --list --command-config /usr/local/kafka/sasl.conf

#查看消费组是否有消息堆积【LAG字段下】

/usr/local/kafka/kafka/bin/kafka-consumer-groups.sh --bootstrap-server 10.x.x.2:9092,10.x.x.3:9092,10.x.x.4:9092 --describe --group myj-group --command-config /usr/local/kafka/sasl.conf

#删除消费者组

/usr/local/kafka/kafka/bin/kafka-consumer-groups.sh --delete --bootstrap-server 10.x.x.2:9092,10.x.x.3:9092,10.x.x.4:9092 --group myj-group --command-config /usr/local/kafka/sasl.conf

###常用命令###

1、/usr/local/kafka/bin/kafka-topics.sh --create --topic kafka-myj-topic --bootstrap-server 10.x.x.2:9092,10.x.x.3:9092,10.x.x.4:9092 --partitions 2 --replication-factor 2 --config retention.ms=604800000 --command-config /usr/local/kafka/sasl.conf #创建kafka-myj-topic主题 2个分区 ,2个副本,老化时间为7天

2、/usr/local/kafka/bin/kafka-topics.sh --list --bootstrap-server 10.x.x.2:9092,10.x.x.3:9092,10.x.x.4:9092 --exclude-internal # 列出主题

3、/usr/local/kafka/bin/kafka-topics.sh --bootstrap-server 10.x.x.2:9092,10.x.x.3:9092,10.x.x.4:9092 --delete --topic kafka-myj-topic #删除主题

4、/usr/local/kafka/bin/kafka-topics.sh --bootstrap-server 10.x.x.2:9092,10.x.x.3:9092,10.x.x.4:9092 --describe --topic myj-kafka-topic #查看主题的详细信息

5、/usr/local/kafka/bin/kafka-configs.sh --bootstrap-server 10.x.x.2:9092,10.x.x.3:9092,10.x.x.4:9092 --describe --version # 查看kafka版本

6、/usr/local/kafka/bin/kafka-topics.sh --bootstrap-server 10.x.x.2:9092,10.x.x.3:9092,10.x.x.4:9092 --alter --topic myj-kafka-topic --partitions 3 #扩容主题分区到3

7、/usr/local/kafka/bin/kafka-console-producer.sh --bootstrap-server 10.x.x.2:9092,10.x.x.3:9092,10.x.x.4:9092 --topic myj-kafka-topic --producer.config /usr/local/kafka/kafka/config/producer.properties --producer-property security.protocol=SASL_PLAINTEXT --producer-property sasl.mechanism=PLAIN # 生产者生产消息

8、/usr/local/kafka/bin/kafka-console-consumer.sh --bootstrap-server 10.x.x.2:9092,10.x.x.3:9092,10.x.x.4:9092 --topic myj-kafka-topic --from-beginning --consumer-property security.protocol=SASL_PLAINTEXT --consumer-property sasl.mechanism=PLAIN # 消费者新客户端从头开始消费消费

####kafka Manager部署#####

介绍：为了简化开发者和服务工程师维护Kafka集群的工作，yahoo构建了一个叫做Kafka管理器的基于Web工具，叫做 Kafka Manager。这个管理工具可以很容易地发现分布在集群中的哪些topic分布不均匀，或者是分区在整个集群分布不均匀的的情况。它支持管理多个集群、选择副本、副本重新分配以及创建Topic。同时，这个管理工具也是一个非常好的可以快速浏览这个集群的工具

1.管理多个kafka集群
2.便捷的检查kafka集群状态(topics,brokers,备份分布情况,分区分布情况)
3.选择你要运行的副本
4.基于当前分区状况进行
5.可以选择topic配置并创建topic(0.8.1.1和0.8.2的配置不同)
6.删除topic(只支持0.8.2以上的版本并且要在broker配置中设置delete.topic.enable=true)
7.Topic list会指明哪些topic被删除（在0.8.2以上版本适用）
8.为已存在的topic增加分区
9.为已存在的topic更新配置
10.在多个topic上批量重分区
11.在多个topic上批量重分区(可选partition broker位置)

1、安装包下载解压

https://pan.baidu.com/s/1qYifoa4 密码：el4o

2、unzip kafka-manager-1.3.3.7.zip

mv kafka-manager-1.3.3.7 kafka-manager

cd kafka-manager/

vim /home/kafka-manager/conf/application.conf

kafka-manager.zkhosts="10.103.x.2:2181,10.103.x.3:2181,10.103.x.4:2181"

3、启动服务

kafka-manager 默认的端口是9000，可通过 -Dhttp.port，指定端口; -Dconfig.file=conf/application.conf指定配置文件:

nohup /home/kafka-manager/bin/kafka-manager -Dconfig.file=/root/kafka-manager/conf/application.conf -Dhttp.port=8888 &

3.1 、启动脚本

start-kafkaManager.sh

#!/bin/bash
# kafka-manager的安装目录
dir_home=/home/kafka-manager
# 指定了web访问端口为8888
nohup $dir_home/bin/kafka-manager -Dconfig.file=$dir_home/conf/application.conf -Dhttp.port=8888 >> $dir_home/start-kafkaManager.log 2>&1 &

4、访问服务

http://10.103.x.2:8888

###kafka可视化工具 Offset Explorer ####

下载地址:https://www.kafkatool.com/download.html

#认证配置链接

1、主机ip端口