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修改代码支持ZK-Kerberos认证
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docs/zk_kerberos/zk支持Kerberos配置文档.md
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1、需要修改代码:
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位置:src/main/java/com/xiaojukeji/know/streaming/km/persistence/kafka/KafkaAdminZKClient.java
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将createZKClient的135行的false改为true
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修改完之后就可以打包编译:打包编译见:参考2.3 后端单独打包
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https://github.com/didi/KnowStreaming/blob/master/docs/install_guide/%E6%BA%90%E7%A0%81%E7%BC%96%E8%AF%91%E6%89%93%E5%8C%85%E6%89%8B%E5%86%8C.md
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2、查看kafka的ZK的Acl
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首先查看kafka的server.properties的配置的zookeeper.connect的连接,然后使用:zkCli.sh -serve xxxx登录到zk的页面,然后执行命令getAcl /kafka
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此时就可以看到kafka在zk中的用户的权限,因为我们的集群在server.properties 配置了super.users=User:kafka ,以及zookeeper.set.acl=true ,默认的kafka的权限就是cdrwa。如果没有用户有cdrwa权限的话,需要zk创建用户并授权,授权命令:setAcl
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3、在Kerberos的域中创建 kafka/_HOST的keytab,并导出。例如:kafka/dbs-kafka-test-8-53
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4、导出keytab后上传到安装KS的机器的/etc/keytab下。执行 kinit -kt zookeepe.keytab kafka/dbs-kafka-test-8-53 看是否能进行Kerberos登录
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5、可以登录后,配置/opt/zookeeper.jass文件:
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Client {
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com.sun.security.auth.module.Krb5LoginModule required
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useKeyTab=true
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storeKey=false
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serviceName="zookeeper"
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keyTab="/etc/keytab/zookeeper.keytab"
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principal="kafka/dbs-kafka-test-8-53@XXX.XXX.XXX";
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};
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6、需要配置KDC-Server对KS的机器开通防火墙,并在KS的机器/etc/host/ 配置 kdc-server的hostname。并将 krb5.conf 导入到/etc下
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7、在/usr/local/KnowStreaming/KnowStreaming/bin/startup.sh中的47行的JAVA_OPT中追加如下设置:
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-Dsun.security.krb5.debug=true -Djava.security.krb5.conf=/etc/krb5.conf -Djava.security.auth.login.config=/opt/zookeeper.jaas
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8、重启KS集群后再start.out中看到如下信息,证明Kerberos配置成功
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9、对于多集群来说如果用的是一样的Kerberos域的话,只需在每个zk中给kafka用户配置crdwa权限即可,这样集群初始化的时候zkclient是都可以认证。
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10、未改进:
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1、需要页面ZK的Kerberos配置化
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2、多个Kerberos域暂时未适配。
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