kafka集群部署，三节点模式

Posted 2021-10-03 西风h

前提安装好jdk环境

#!/bin/bash
echo "本地yum源是否配置完毕，是请忽略，否请按CTRL+C退出！"
sleep 3
echo "自动化安装zookeeper-3.6.2+kafka_2.13-2.6.0三台服务器集群(前提安装好jdk环境)："
read -p "请根据实际数据挂载盘输入zookeeper和kafka安装的主目录(建议安装/data)：" maindir
echo "---3台机均需执行该脚本，下面进行zookeeper集群创建---"
if [ -f /root/apache-zookeeper-3.6.2-bin.tar.gz ] && [ -f /root/kafka_2.13-2.6.0.tgz ];then
mkdir $maindir
tar xf apache-zookeeper-3.6.2-bin.tar.gz -C $maindir
mv $maindir/apache-zookeeper-3.6.2-bin $maindir/zookeeper
cd $maindir/zookeeper/conf/
mv zoo_sample.cfg zoo.cfg
mkdir $maindir/zookeeper/data
sed -i "s#/tmp/zookeeper#$maindir/zookeeper/data#" zoo.cfg
read -p "请输入zookeeper集群第1台服务器的ip：" ip1
read -p "请输入zookeeper集群第2台服务器的ip：" ip2
read -p "请输入zookeeper集群第3台服务器的ip：" ip3
cat >> zoo.cfg <<EOF
server.1=$ip1:2888:3888
server.2=$ip2:2888:3888
server.3=$ip3:2888:3888
EOF

read -p "请输入序号，集群第1台服务器填1，第2台服务器填2，第3台服务器填3：" number
echo $number > $maindir/zookeeper/data/myid

cd $maindir/zookeeper/bin
./zkServer.sh start
echo "###已完成zookeeper集群部署###"
echo "查看当前状态："
$maindir/zookeeper/bin/zkServer.sh status
echo "停止zookeeper  $maindir/zookeeper/bin/zkServer.sh stop"
echo "---开始部署kafka集群---"
cd /root
tar xf kafka_2.13-2.6.0.tgz
mv kafka_2.13-2.6.0 $maindir/kafka

cd $maindir/kafka
sed -i -c -e '/^$/d;/^#/d' config/server.properties
sed -i s/broker.id=0/broker.id=$number/g config/server.properties
sed -i "s#log.dirs=/tmp/kafka-logs#log.dirs=$maindir/kafka/logs#" config/server.properties
sed -i s/zookeeper.connect=localhost:2181/zookeeper.connect=$ip1:2181,$ip2:2181,$ip3:2181/g config/server.properties
read -p "请输入当前服务器的IP地址（内网地址，非127.0.0.1）：" ip
cat >> config/server.properties <<EOF

listeners=PLAINTEXT://$ip:9092
advertised.listeners=PLAINTEXT://$ip:9092
EOF

source /etc/profile
$maindir/kafka/bin/kafka-server-start.sh $maindir/kafka/config/server.properties > /dev/null 2>&1 &
sleep 2
tail -500 $maindir/kafka/logs/server.log
echo "###如果遇到zookeeper无法启动的情况，是因为java变量未生效的缘故，请重新打开窗口或手工执行下source /etc/profile！"
echo "如果遇到kafka无法启动的情况，请在zookeeper全部启动的情况下（理论上启动2台以上的zookeeper则kafka可以正常启动），再启动kafka！"
echo "启动kafka的命令为：$maindir/kafka/bin/kafka-server-start.sh $maindir/kafka/config/server.properties > /dev/null 2>&1 &"
echo "停止命令: $maindir/kafka/bin/kafka-server-stop.sh $maindir/kafka/config/server.properties > /dev/null 2>&1 &"
echo "###已完成kafka集群部署###"

else
echo "请把相应的包上传到/root目录，再进行下一步！"
exit 0
fi