比Kafka Mangaer更优秀的开源监控工具-Kafka Eagle
作者：尹正杰
版权声明：原创作品，谢绝转载！否则将追究法律责任。
在Kafka的监控系统中有很多优秀的开源监控系统。比如Kafka-manager，open-faclcon，zabbix等主流监控工具均可直接监控kafka。Kafka集群性能监控可以从消息网络传输，消息传输流量，请求次数等指标来衡量集群性能。这些指标数据可以通过访问kafka集群的JMX接口获取。
由于Kafka Eagle监控系统核心模块采用java编程语言实现，因此启动Kafka Eagle 监控系统需要依赖Java运行环境（JDK），建议使用java 7以上版本，推荐使用JDK1.8。关于jdk的安装我就不废话了，大家自行安装一下。
一.kafka Eagle简介
1>.kafka Eagle监控系统
kafka Eagle监控系统的目标是做一个部署简单，开发容易，使用方便的kafka消息监控系统。
2>.Kafka Eagle最新版本的
下载地址：http://download.smartloli.org/
3>.Kafka Eagle 源代码
下载地址：https://github.com/smartloli/kafka-eagle
4>.Kafka Eagle 各个版本
下载地址：https://ke.smartloli.org/5.ChangeLog/1.ChangeLog.html
二.安装Kafka Eagle
1>.使用wget工具下载kafka Eagle 软件安装包
[root@node105 ~]# [root@node105 ~]# mkdir -pv /yinzhengjie/kafka-eagle && cd /yinzhengjie/kafka-eagle mkdir: created directory ‘/yinzhengjie/kafka-eagle’ [root@node105 kafka-eagle]# [root@node105 kafka-eagle]# wget https://github.com/smartloli/kafka-eagle-bin/archive/v1.2.0.tar.gz --2018-11-14 15:21:20-- https://github.com/smartloli/kafka-eagle-bin/archive/v1.2.0.tar.gz Resolving github.com (github.com)... 52.74.223.119, 13.250.177.223, 13.229.188.59 Connecting to github.com (github.com)|52.74.223.119|:443... connected. HTTP request sent, awaiting response... 302 Found Location: https://codeload.github.com/smartloli/kafka-eagle-bin/tar.gz/v1.2.0 [following] --2018-11-14 15:21:21-- https://codeload.github.com/smartloli/kafka-eagle-bin/tar.gz/v1.2.0 Resolving codeload.github.com (codeload.github.com)... 13.250.162.133, 54.251.140.56, 13.229.189.0 Connecting to codeload.github.com (codeload.github.com)|13.250.162.133|:443... connected. HTTP request sent, awaiting response... 200 OK Length: unspecified [application/x-gzip] Saving to: ‘v1.2.0.tar.gz’ [ <=> ] 57,443,692 1.73MB/s in 31s 2018-11-14 15:21:53 (1.79 MB/s) - ‘v1.2.0.tar.gz’ saved [57443692] [root@node105 kafka-eagle]# [root@node105 kafka-eagle]# ll total 56100 -rw-r--r--. 1 root root 57443692 Nov 14 15:32 v1.2.0.tar.gz [root@node105 kafka-eagle]#
2>.解压安装包并创建软连接
[root@node105 kafka-eagle]# ll total 56100 -rw-r--r--. 1 root root 57443692 Nov 14 15:32 v1.2.0.tar.gz [root@node105 kafka-eagle]# [root@node105 kafka-eagle]# tar -zxf v1.2.0.tar.gz [root@node105 kafka-eagle]# [root@node105 kafka-eagle]# ll total 56100 drwxrwxr-x. 2 root root 46 Jan 23 2018 kafka-eagle-bin-1.2.0 -rw-r--r--. 1 root root 57443692 Nov 14 15:32 v1.2.0.tar.gz [root@node105 kafka-eagle]# [root@node105 kafka-eagle]# tar -zxf kafka-eagle-bin-1.2.0/kafka-eagle-web-1.2.0-bin.tar.gz -C /soft/ [root@node105 kafka-eagle]# [root@node105 kafka-eagle]# ln -s /soft/kafka-eagle-web-1.2.0/ /soft/kafka-eagle [root@node105 kafka-eagle]# [root@node105 kafka-eagle]# ll /soft/ total 0 lrwxrwxrwx. 1 root root 19 Oct 26 20:10 jdk -> /soft/jdk1.8.0_131/ drwxr-xr-x. 8 root root 255 Oct 26 13:20 jdk1.8.0_131 drwxr-xr-x. 7 root root 101 Oct 26 13:20 kafka lrwxrwxrwx. 1 root root 28 Nov 14 15:41 kafka-eagle -> /soft/kafka-eagle-web-1.2.0/ drwxr-xr-x. 8 root root 75 Nov 14 15:39 kafka-eagle-web-1.2.0 drwxr-xr-x. 7 root root 126 Oct 26 13:20 kafka-manager [root@node105 kafka-eagle]#
3>.为Kafka Eagle配置环境变量（“/etc/profile”）
[root@node105 kafka-eagle]# tail /etc/profile export GOROOT=/usr/lib/golang export GOPATH=/home/yinzhengjie/golang #ADD open-falcon path by yinzhengjie export FALCON_HOME=/yinzhengjie/open-falcon/workspace export WORKSPACE=/open-falcon #ADD kafka-Eagle path by yinzhengjie export KE_HOME=/soft/kafka-eagle export PATH=$PATH:$KE_HOME/bin [root@node105 kafka-eagle]# [root@node105 kafka-eagle]# chmod +x /soft/kafka-eagle/bin/ -R #这个目录下有2个脚本，当你启动服务时，会多处一个ke.pid的文件，用于存放进程pid的，这一步必须得做，没有权限的话，你没法启动服务哟！ [root@node105 kafka-eagle]# [root@node105 kafka-eagle]# source /etc/profile [root@node105 kafka-eagle]#
4>.编辑配置文件（/soft/kafka-eagle/conf/system-config.properties）
[root@node101.yinzhengjie.org.cn ~]# mysql -uroot -p Enter password: Welcome to the MySQL monitor. Commands end with ; or g. Your MySQL connection id is 2 Server version: 5.7.25-log MySQL Community Server (GPL) Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type 'help;' or 'h' for help. Type 'c' to clear the current input statement. mysql> mysql> CREATE DATABASE kafka DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; Query OK, 1 row affected (0.00 sec) mysql> mysql> CREATE USER kafka@'172.30.1.10%' IDENTIFIED WITH mysql_native_password BY 'yinzhengjie'; Query OK, 0 rows affected (0.00 sec) mysql> mysql> GRANT ALL PRIVILEGES ON kafka.* TO kafka@'172.30.1.10%'; Query OK, 0 rows affected (0.00 sec) mysql> mysql> mysql> quit Bye [root@node101.yinzhengjie.org.cn ~]# [root@node101.yinzhengjie.org.cn ~]# [root@node101.yinzhengjie.org.cn ~]# mysql -ukafka -pyinzhengjie mysql: [Warning] Using a password on the command line interface can be insecure. ERROR 1045 (28000): Access denied for user 'kafka'@'localhost' (using password: YES) [root@node101.yinzhengjie.org.cn ~]# [root@node101.yinzhengjie.org.cn ~]# [root@node101.yinzhengjie.org.cn ~]# mysql -ukafka -pyinzhengjie -h node101.yinzhengjie.org.cn mysql: [Warning] Using a password on the command line interface can be insecure. Welcome to the MySQL monitor. Commands end with ; or g. Your MySQL connection id is 4 Server version: 5.7.25-log MySQL Community Server (GPL) Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type 'help;' or 'h' for help. Type 'c' to clear the current input statement. mysql> show databases; +--------------------+ | Database | +--------------------+ | information_schema | | kafka | +--------------------+ 2 rows in set (0.00 sec) mysql> mysql> quit Bye [root@node101.yinzhengjie.org.cn ~]#
[root@node105 kafka-eagle]# cat /soft/kafka-eagle/conf/system-config.properties ###################################### # 多集群模式配置，包含多个kafka和zookeeper。 ###################################### #kafka.eagle.zk.cluster.alias=cluster1,cluster2 #cluster1.zk.list=tdn1:2181,tdn2:2181,tdn3:2181 #cluster2.zk.list=xdn10:2181,xdn11:2181,xdn12:2181 kafka.eagle.zk.cluster.alias=yinzhengjie-kafka yinzhengjie-kafka.zk.list=10.1.2.102:2181,10.1.2.103:2181,10.1.2.104:2181 ###################################### # zookeeper客户端连接数限制 ###################################### kafka.zk.limit.size=25 ###################################### # kafka eagle webui port ###################################### kafka.eagle.webui.port=8048 ###################################### # kafka 消费信息存储位置，用来兼容kafka低版本 ###################################### kafka.eagle.offset.storage=kafka ###################################### # kafka eagle 设置告警邮件服务器 ###################################### kafka.eagle.mail.enable=true kafka.eagle.mail.sa=alert_sa kafka.eagle.mail.username=alert_sa@163.com kafka.eagle.mail.password=mqslimczkdqabbbg kafka.eagle.mail.server.host=smtp.163.com kafka.eagle.mail.server.port=25 ###################################### # 管理员删除kafka中topic的口令 ###################################### kafka.eagle.topic.token=keadmin ###################################### # kafka 集群是否开启了认证模式 ###################################### kafka.eagle.sasl.enable=false kafka.eagle.sasl.protocol=SASL_PLAINTEXT kafka.eagle.sasl.mechanism=PLAIN kafka.eagle.sasl.client=/hadoop/kafka-eagle/conf/kafka_client_jaas.conf ###################################### # kafka eagle 存储监控数据的数据库地址 ###################################### kafka.eagle.driver=com.mysql.jdbc.Driver kafka.eagle.url=jdbc:mysql://127.0.0.1:3306/kafka?useUnicode=true&characterEncoding=UTF-8&zeroDateTimeBehavior=convertToNull kafka.eagle.username=kafka kafka.eagle.password=yinzhengjie [root@node105 kafka-eagle]#
5>.启动Kafka监控系统（此处需要对ke.sh这个脚本进行修改， ）
[root@node105 kafka-eagle]# ke.sh start Starting : KE Service Check ... created: META-INF/ inflated: META-INF/MANIFEST.MF created: media/ created: media/css/ created: media/css/fonts/ created: media/css/img/ created: media/css/plugins/ created: media/css/plugins/datatimepicker/ created: media/css/plugins/select2/ created: media/css/public/ created: media/css/public/account/ created: media/css/public/images/ created: media/img/ created: media/js/ created: media/js/main/ created: media/js/main/account/ created: media/js/main/alarm/ created: media/js/main/cluster/ created: media/js/main/consumer/ created: media/js/main/error/ created: media/js/main/metrics/ created: media/js/main/system/ created: media/js/main/topic/ created: media/js/plugins/ created: media/js/plugins/codemirror/ created: media/js/plugins/d3/ created: media/js/plugins/datatables/ created: media/js/plugins/datatimepicker/ created: media/js/plugins/magicsuggest/ created: media/js/plugins/select2/ created: 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WEB-INF/lib/calcite-core-1.6.0.jar inflated: WEB-INF/lib/calcite-linq4j-1.6.0.jar inflated: WEB-INF/lib/commons-beanutils-1.8.3.jar inflated: WEB-INF/lib/commons-codec-1.2.jar inflated: WEB-INF/lib/commons-compiler-3.0.6.jar inflated: WEB-INF/lib/commons-dbcp-1.2.2.jar inflated: WEB-INF/lib/commons-httpclient-3.0.jar inflated: WEB-INF/lib/commons-io-2.4.jar inflated: WEB-INF/lib/commons-lang-2.6.jar inflated: WEB-INF/lib/commons-lang3-3.5.jar inflated: WEB-INF/lib/commons-logging-1.1.2.jar inflated: WEB-INF/lib/commons-pool-1.3.jar inflated: WEB-INF/lib/dom4j-1.6.1.jar inflated: WEB-INF/lib/druid-1.0.31.jar inflated: WEB-INF/lib/ehcache-core-2.5.3.jar inflated: WEB-INF/lib/eigenbase-properties-1.1.5.jar inflated: WEB-INF/lib/fastjson-1.2.7.jar inflated: WEB-INF/lib/gson-2.2.4.jar inflated: WEB-INF/lib/guava-19.0.jar inflated: WEB-INF/lib/jackson-annotations-2.8.0.jar inflated: WEB-INF/lib/jackson-core-2.8.7.jar inflated: WEB-INF/lib/jackson-core-asl-1.9.13.jar inflated: WEB-INF/lib/jackson-databind-2.8.7.jar inflated: WEB-INF/lib/jackson-mapper-asl-1.9.13.jar inflated: WEB-INF/lib/janino-3.0.6.jar inflated: WEB-INF/lib/jline-0.9.94.jar inflated: WEB-INF/lib/jopt-simple-5.0.3.jar inflated: WEB-INF/lib/jsr305-1.3.9.jar inflated: WEB-INF/lib/jstl-1.2.jar inflated: WEB-INF/lib/junit-3.8.1.jar inflated: WEB-INF/lib/kafka-clients-0.10.2.0.jar inflated: WEB-INF/lib/kafka-eagle-api-1.2.0.jar inflated: WEB-INF/lib/kafka-eagle-common-1.2.0.jar inflated: WEB-INF/lib/kafka-eagle-core-1.2.0.jar inflated: WEB-INF/lib/kafka-eagle-plugin-1.2.0.jar inflated: WEB-INF/lib/kafka_2.11-0.10.2.0.jar inflated: WEB-INF/lib/log4j-1.2.17.jar inflated: WEB-INF/lib/lz4-1.3.0.jar inflated: WEB-INF/lib/mail-1.4.7.jar inflated: WEB-INF/lib/metrics-core-2.2.0.jar inflated: WEB-INF/lib/mybatis-3.2.6.jar inflated: WEB-INF/lib/mybatis-spring-1.2.2.jar inflated: WEB-INF/lib/mysql-connector-java-5.1.30.jar inflated: WEB-INF/lib/netty-3.7.0.Final.jar inflated: WEB-INF/lib/pentaho-aggdesigner-algorithm-5.1.5-jhyde.jar inflated: WEB-INF/lib/quartz-2.2.1.jar inflated: WEB-INF/lib/scala-library-2.11.8.jar inflated: WEB-INF/lib/scala-parser-combinators_2.11-1.0.4.jar inflated: WEB-INF/lib/servlet-api-2.5.jar inflated: WEB-INF/lib/shiro-core-1.3.2.jar inflated: WEB-INF/lib/shiro-ehcache-1.3.2.jar inflated: WEB-INF/lib/shiro-spring-1.3.2.jar inflated: WEB-INF/lib/shiro-web-1.3.2.jar inflated: WEB-INF/lib/slf4j-api-1.6.6.jar inflated: WEB-INF/lib/slf4j-log4j12-1.7.5.jar inflated: WEB-INF/lib/snappy-java-1.1.2.6.jar inflated: WEB-INF/lib/spring-aop-4.1.6.RELEASE.jar inflated: WEB-INF/lib/spring-beans-4.1.6.RELEASE.jar inflated: WEB-INF/lib/spring-context-4.1.6.RELEASE.jar inflated: WEB-INF/lib/spring-context-support-4.1.6.RELEASE.jar inflated: WEB-INF/lib/spring-core-4.1.6.RELEASE.jar inflated: WEB-INF/lib/spring-expression-4.1.6.RELEASE.jar inflated: WEB-INF/lib/spring-jdbc-4.1.6.RELEASE.jar inflated: WEB-INF/lib/spring-oxm-4.1.6.RELEASE.jar inflated: WEB-INF/lib/spring-test-4.1.6.RELEASE.jar inflated: WEB-INF/lib/spring-tx-4.1.6.RELEASE.jar inflated: WEB-INF/lib/spring-web-4.1.6.RELEASE.jar inflated: WEB-INF/lib/spring-webmvc-4.1.6.RELEASE.jar inflated: WEB-INF/lib/sqlite-jdbc-3.20.0.jar inflated: WEB-INF/lib/xml-apis-1.0.b2.jar inflated: WEB-INF/lib/zkclient-0.9.jar inflated: WEB-INF/lib/zookeeper-3.4.8.jar inflated: WEB-INF/views/account/signin.jsp inflated: WEB-INF/views/alarm/add.jsp inflated: WEB-INF/views/alarm/add_failed.jsp inflated: WEB-INF/views/alarm/add_success.jsp inflated: WEB-INF/views/alarm/modify.jsp inflated: WEB-INF/views/cluster/cluster.jsp inflated: WEB-INF/views/cluster/multicluster.jsp inflated: WEB-INF/views/cluster/zkcli.jsp inflated: WEB-INF/views/consumers/consumers.jsp inflated: WEB-INF/views/consumers/offset_consumers.jsp inflated: WEB-INF/views/consumers/offset_realtime.jsp inflated: WEB-INF/views/error/403.jsp inflated: WEB-INF/views/error/404.jsp inflated: WEB-INF/views/error/405.jsp inflated: WEB-INF/views/error/500.jsp inflated: WEB-INF/views/error/503.jsp inflated: WEB-INF/views/main/index.jsp inflated: WEB-INF/views/metrics/brokers.jsp inflated: WEB-INF/views/metrics/trend.jsp inflated: WEB-INF/views/public/css.jsp inflated: WEB-INF/views/public/kindeditor.jsp inflated: WEB-INF/views/public/navbar.jsp inflated: WEB-INF/views/public/script.jsp inflated: WEB-INF/views/public/tagcss.jsp inflated: WEB-INF/views/public/tcss.jsp inflated: WEB-INF/views/public/tscript.jsp inflated: WEB-INF/views/system/notice.jsp inflated: WEB-INF/views/system/resource.jsp inflated: WEB-INF/views/system/role.jsp inflated: WEB-INF/views/system/user.jsp inflated: WEB-INF/views/topic/add_failed.jsp inflated: WEB-INF/views/topic/add_success.jsp inflated: WEB-INF/views/topic/create.jsp inflated: WEB-INF/views/topic/list.jsp inflated: WEB-INF/views/topic/mock.jsp inflated: WEB-INF/views/topic/msg.jsp inflated: WEB-INF/views/topic/topic_meta.jsp inflated: WEB-INF/web.xml created: META-INF/maven/ created: META-INF/maven/org.smartloli.kafka.eagle/ created: META-INF/maven/org.smartloli.kafka.eagle/kafka-eagle-web/ inflated: META-INF/maven/org.smartloli.kafka.eagle/kafka-eagle-web/pom.xml inflated: META-INF/maven/org.smartloli.kafka.eagle/kafka-eagle-web/pom.properties ******************************************************************* * Kafka Eagle system monitor port successful... * ******************************************************************* Status Code[0] [Job done!] Welcome to __ __ ___ ____ __ __ ___ ______ ___ ______ __ ______ / //_/ / | / __/ / //_/ / | / ____/ / | / ____/ / / / ____/ / ,< / /| | / /_ / ,< / /| | / __/ / /| | / / __ / / / __/ / /| | / ___ | / __/ / /| | / ___ | / /___ / ___ |/ /_/ / / /___ / /___ /_/ |_| /_/ |_|/_/ /_/ |_| /_/ |_| /_____/ /_/ |_|\____/ /_____//_____/ Version 1.2.0 ******************************************************************* * Kafka Eagle Service has started success! * * Welcome, Now you can visit 'http://<your_host_or_ip>:port/ke' * * Account:admin ,Password:123456 * ******************************************************************* * <Usage> ke.sh [start|status|stop|restart|stats] </Usage> * * <Usage> http://ke.smartloli.org/ </Usage> * ******************************************************************* [root@node105 kafka-eagle]#
6>.启动成功的标志
7>.遇到的一系列坑
启动时报错如下：
[root@node105 kafka-eagle]# ke.sh start Starting : KE Service Check ... Error: The JAVA_HOME environment variable is not defined correctly. Error: This environment variable is needed to run this program. [root@node105 kafka-eagle]#
查看启动脚本（vi /soft/kafka-eagle/bin/ke.sh ）
发现我的java环境已经配置好啦～可以直接查看相应的环境变量～
[root@node105 kafka-eagle]# java -version java version "1.8.0_131" Java(TM) SE Runtime Environment (build 1.8.0_131-b11) Java HotSpot(TM) 64-Bit Server VM (build 25.131-b11, mixed mode) [root@node105 kafka-eagle]# [root@node105 kafka-eagle]# [root@node105 kafka-eagle]# echo $JAVA_HOME /soft/jdk [root@node105 kafka-eagle]#
解决方案如下：
8>.查看端口是否存在
[root@node105 kafka-eagle]# hostname node105.yinzhengjie.org.cn [root@node105 kafka-eagle]# [root@node105 kafka-eagle]# [root@node105 kafka-eagle]# netstat -untalp | grep 8048 tcp6 0 0 :::8048 :::* LISTEN 5184/java [root@node105 kafka-eagle]#
9>.访问kafka eagle的webUI服务（用户名：admin，密码：123456）
http://node105.yinzhengjie.org.cn:8048/ke/
10>.登陆成功的界面如下
三.Kafka Eagle快速入门
都已经部署成功了，剩下给大家介绍界面的功能感觉是多余的，不过大家也别嫌我啰嗦，部署成功了，大家点点鼠标也就知道咋回事了～其实和Kafka manager差不多多少～只不过功能要比kafka manager更多一点而已啦！
1>.创建topic
2>.查看topic
3>.kafka SQL查询界面（我没咋用过哈～有时间可以研究研究～）
4>.发送消息到指定的topic
别忘了启动一个消费者进行测试，查看是否能拿到数据，很显然，我是拿到数据啦：
5>.查看所有消费者的情况
6>.查看正在监控的集群
7>.监控多个kafka集群
8>.zookeeper客户端操作命令
9>.性能指标监控（broker总的流量监控）
10>.通过JMX获取数据，监控Kafka客户端，生产端，消息数量，请求数量，处理时间和其他数据，以可视化性能。
11>.kafka系统管理
12>.关于kafka Eagle脚本的命令
详情请参考官网：https://ke.smartloli.org/3.Manuals/6.Shell.html。说句实话，我一般不咋夸人，这家公司官网的图解做的很好，在这里，我本人希望Kafka Eagle功能越来越强，比如支持微信，集群压力测试等等。
