三台真机,容器采用host
192.168.0.128 192.168.0.141 192.168.0.142
zookeeper集群搭建
在每台机上执行脚本,
#!/bin/bash #Get zookeeper image zkimage=`docker images | grep zookeeper | awk {'print $1'}` if [ -n "$zkimage" ] then echo 'The zookeeper image is already existed.' else echo 'Pull the latest zookeeper image.' docker pull zookeeper fi #Create network for zookeeper containers zknet=`docker network ls | grep yapi_net | awk {'print $2'}` if [ -n "$zknet" ] then echo 'The zknetwork is already existed.' else echo 'Create zknetwork.' docker network create --subnet 172.30.0.0/16 yapi_net fi #Start zookeeper cluster echo 'Start 3 zookeeper servers.' rm -rf /opt/zookeeper_1/data /opt/zookeeper_1/datalog /var/log/zookeeper_1/log rm -rf /opt/zookeeper_2/data /opt/zookeeper_2/datalog /var/log/zookeeper_2/log rm -rf /opt/zookeeper_3/data /opt/zookeeper_3/datalog /var/log/zookeeper_3/log mkdir -p /opt/zookeeper_1/data /opt/zookeeper_1/datalog /var/log/zookeeper_1/log mkdir -p /opt/zookeeper_2/data /opt/zookeeper_2/datalog /var/log/zookeeper_2/log mkdir -p /opt/zookeeper_3/data /opt/zookeeper_3/datalog /var/log/zookeeper_3/log
ZOO_SERVERS="server.1=192.168.0.128:2888:3888 server.2=192.168.0.142:2888:3888 server.3=192.168.0.141:2888:3888" docker run --network host -d --restart always -v /opt/zookeeper_1/data:/data -v /opt/zookeeper_1/datalog:/datalog -v /var/log/zookeeper_1/log:/logs -e ZOO_SERVERS="$ZOO_SERVERS" -e ZOO_MY_ID=1 --name zookeeper_1 -p 2182:2181 -p 2888:2888 -p 3888:3888 docker.io/zookeeper
注意每台机的id号不同
官方的镜像有可能配置的环境变量不同,需要修改脚本,参考Entrypoint文件,和配置文件,配置文件如下:
clientPort=2181 dataDir=/data dataLogDir=/datalog tickTime=2000 initLimit=5 syncLimit=2 autopurge.snapRetainCount=3 autopurge.purgeInterval=0 maxClientCnxns=60 server.1=192.168.0.128:2888:3888 server.2=192.168.0.142:2888:3888 server.3=192.168.0.141:2888:3888
单机(非集群)的配置文件,telnet ip 2181 = 》stat ==》Mode: standalone
clientPort=2181 dataDir=/data dataLogDir=/datalog tickTime=2000 initLimit=5 syncLimit=2 autopurge.snapRetainCount=3 autopurge.purgeInterval=0 maxClientCnxns=60
kafka集群
在每台机上执行脚本,
#!/bin/bash #Get zookeeper image kfkimage=`docker images | grep 'docker.io/wurstmeister/kafka' | awk {'print $1'}` if [ -n "$kfkimage" ] then echo 'The docker.io/wurstmeister/kafka is already existed.' else echo 'Pull the image.' docker pull docker.io/wurstmeister/kafka fi #Create network for zookeeper containers kfknet=`docker network ls | grep yapi_net | awk {'print $2'}` if [ -n "$kfknet" ] then echo 'The kfknetwork is already existed.' else echo 'Create kfknetwork.' docker network create --subnet 172.30.0.0/16 yapi_net fi #Start 3 zookeeper cluster echo 'Start 3 kafka servers.' rm -rf /opt/kafka_1/logdata rm -rf /opt/kafka_2/logdata rm -rf /opt/kafka_3/logdata mkdir -p /opt/kafka_1/logdata mkdir -p /opt/kafka_2/logdata mkdir -p /opt/kafka_3/logdata #kafka ip kfk_1_ip='172.30.0.41' kfk_2_ip='172.30.0.42' kfk_3_ip='172.30.0.43' #zk_jiqun_ip='172.30.0.31:2181' zk_jiqun_ip='192.168.0.128:2181,192.168.0.142:2181,192.168.0.141:2181' docker run --restart always -d --name kafka_1 --network host -e KAFKA_ZOOKEEPER_CONNECT=${zk_jiqun_ip} -e KAFKA_LISTENERS='PLAINTEXT://0.0.0.0:9092' -e KAFKA_BROKER_ID='141' -e KAFKA_ADVERTISED_LISTENERS='PLAINTEXT://192.168.0.141:9092' -v /opt/kafka_1/logdata:/kafka -p 9092:9092 docker.io/wurstmeister/kafka
注意id号 和PLAINTEXT://192.168.0.141:9092,(创建容器后,再进入容器修改,restart后会重置,所以必须在创建容器时,就要指定好环境变量)