From 1ada810ec2cff9beb1dfe6d4df0ac8508a98d47c Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E6=96=87=E5=93=A5?= Date: Tue, 14 Aug 2018 18:28:38 +0800 Subject: [PATCH] Created Canal Kafka QuickStart (markdown) --- Canal-Kafka-QuickStart.md | 281 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 281 insertions(+) create mode 100644 Canal-Kafka-QuickStart.md diff --git a/Canal-Kafka-QuickStart.md b/Canal-Kafka-QuickStart.md new file mode 100644 index 0000000..d52a7a6 --- /dev/null +++ b/Canal-Kafka-QuickStart.md @@ -0,0 +1,281 @@ +## 环境版本 +* 操作系统：CentOS release 6.6 (Final) +* java版本: jdk1.8 +* zookeeper版本: zookeeper-3.4.11 +* kafka 版本: kafka_2.11-1.1.1.tgz +* canal.kafka 版本: 请下载最新的安装包，本文以当前v1.0.26 alpha 5 的canal.kafka-1.0.26-SNAPSHOT.tar.gz 为例 +* MySQL版本 ：5.7.18 +* 注意 ： 关闭所有机器的防火墙，同时注意启动可以相互telnet ip 端口 + +## 一、 安装jdk +``` +此处省略 +``` +## 二、 安装zookeeper +### 2.1 下载源码包，并解压 +官网下载地址：`http://www.apache.org/dyn/closer.cgi/zookeeper` +``` +wget http://mirror.olnevhost.net/pub/apache/zookeeper/zookeeper-3.4.11/zookeeper-3.4.11.tar.gz +tar zxvf zookeeper-3.4.11.tar.gz +mv zookeeper-3.4.11 /usr/local/zookeeper +``` +### 2.2 修改环境变量 +编辑 /etc/profile 文件, 在文件末尾添加以下环境变量配置: +``` +# ZooKeeper Env +export ZOOKEEPER_HOME=/usr/local/zookeeper +export PATH=$PATH:$ZOOKEEPER_HOME/bin +``` +运行以下命令使环境变量生效: +` source /etc/profile ` +### 2.3 重命名配置文件 +初次使用 ZooKeeper 时,需要将$ZOOKEEPER_HOME/conf 目录下的 zoo_sample.cfg 重命名为 zoo.cfg, zoo.cfg +``` +mv $ZOOKEEPER_HOME/conf/zoo_sample.cfg $ZOOKEEPER_HOME/conf/zoo.cfg +``` +### 2.4 单机模式--修改配置文件 +创建目录`/usr/local/zookeeper/data` 和`/usr/local/zookeeper/logs` +修改配置文件 +``` +tickTime=2000 +initLimit=10 +syncLimit=5 +dataDir=/usr/local/zookeeper/data +dataLogDir=/usr/local/zookeeper/logs +clientPort=2181 +``` +如果是多节点,配置文件中尾部增加 +``` +server.1=192.168.1.110:2888:3888 +server.2=192.168.1.111:2888:3888 +server.3=192.168.1.112:2888:3888 +``` +同时,增加 +``` +#master +echo "1">/usr/local/zookeeper/data/myid + +#slave1 +echo "2">/usr/local/zookeeper/data/myid + +#slave2 +echo "3">/usr/local/zookeeper/data/myid + +``` +### 2.5 启动 ZooKeeper 服务 +``` +# cd /usr/local/zookeeper/zookeeper-3.4.11/bin +# ./zkServer.sh start +ZooKeeper JMX enabled by default +Using config: /usr/local/zookeeper/zookeeper-3.4.11/bin/../conf/zoo.cfg +Starting zookeeper ... STARTED + +zkServer.sh status +ZooKeeper JMX enabled by default +Using config: /usr/local/zookeeper/bin/../conf/zoo.cfg +Mode: follower +``` +### 2.6 验证zooKeeper服务 +服务启动完成后，可以使用 telnet 和 stat 命令验证服务器启动是否正常: +``` +# telnet 127.0.0.1 2181 +Trying 127.0.0.1... +Connected to 127.0.0.1. +Escape character is '^]'. +stat +Zookeeper version: 3.4.11-37e277162d567b55a07d1755f0b31c32e93c01a0, built on 11/01/2017 18:06 GMT +Clients: +/127.0.0.1:48430[0](queued=0,recved=1,sent=0) + +Latency min/avg/max: 0/0/0 +Received: 1 +Sent: 0 +Connections: 1 +Outstanding: 0 +Zxid: 0x0 +Mode: standalone +Node count: 4 +Connection closed by foreign host. +``` +### 2.7 停止 ZooKeeper 服务 +想要停止 ZooKeeper 服务, 可以使用如下命令: +``` +# cd /usr/local/zookeeper/zookeeper-3.4.11/bin +# ./zkServer.sh stop +ZooKeeper JMX enabled by default +Using config: /usr/local/zookeeper/zookeeper-3.4.11/bin/../conf/zoo.cfg +Stopping zookeeper ... STOPPED + +``` +## 三、zk ui安装 (选装，页面查看zk的数据) +### 拉取代码 +``` +#git clone https://github.com/DeemOpen/zkui.git +``` +### 源码编译需要安装 maven +``` +# wget http://repos.fedorapeople.org/repos/dchen/apache-maven/epel-apache-maven.repo -O /etc/yum.repos.d/epel-apache-maven.repo +#cd zkui/ +#yum install -y maven +#mvn clean install +``` +### 修改配置文件默认值 +``` +#vim config.cfg + serverPort=9090 #指定端口 + zkServer=192.168.1.110:2181 + sessionTimeout=300000 +``` +### 启动程序至后台 + +2.0-SNAPSHOT 会随软件的更新版本不同而不同，执行时请查看target 目录中真正生成的版本 +``` + nohup java -jar target/zkui-2.0-SNAPSHOT-jar-with-dependencies.jar & +``` + +### 用浏览器访问： +`http://192.168.1.110:9090/` + +## 四、安装kafka +### 4.1 下载压缩包, 复制到固定目录并解压 +到官网下载压缩包 +``` +wget https://www.apache.org/dyn/closer.cgi?path=/kafka/1.1.1/kafka_2.11-1.1.1.tgz +mkdir -p /usr/local/kafka +cp kafka_2.11-1.1.1.tgz /usr/local/kafka +tar -zxvf kafka_2.11-1.1.1.tgz +``` + +### 4.2 修改配置文件 +`vim /usr/local/kafka/kafka_2.11-1.1.1/config/server.properties` 修改参数 +``` +zookeeper.connect=192.168.1.110:2181 +listeners=PLAINTEXT://:9092 +advertised.listeners=PLAINTEXT://192.168.1.117:9092 #本机ip +# ... +``` + +### 4.3 启动server `bin/kafka-server-start.sh -daemon config/server.properties &` + +* 查看所有topic +``` +# bin/kafka-topics.sh --list --zookeeper 192.168.1.110:2181 +``` +* 查看指定topic 下面的数据 +``` +# bin/kafka-console-consumer.sh ---bootstrap-server 192.168.1.117:9092 --from-beginning --topic example_t +Using the ConsoleConsumer with old consumer is deprecated and will be removed in a future major release. Consider using the new consumer by passing [bootstrap-server] instead of [zookeeper]. +``` + +### 4.7 参考链接 +``` +https://kafka.apache.org/quickstart +``` + +## 五、 安装canal.kafka + +### 5.1 下载压缩包 + +到官网下载最新压缩包,请下载 canal.kafka-`latest`.tar.gz。[下面以v1.0.26 alpha 5 的canal.kafka-1.0.26-SNAPSHOT.tar.gz 为例] + +``` +https://github.com/alibaba/canal/releases +``` +### 5.2 将canal.kafka 复制到固定目录并解压 + +``` +mkdir -p /usr/local/canal +cp canal.kafka-1.0.26-SNAPSHOT.tar.gz /usr/local/canal +tar -zxvf canal.kafka-1.0.26-SNAPSHOT.tar.gz +``` + +### 5.3 配置修改参数 + +修改instance 配置文件 `vi conf/example/instance.properties` + +``` +# 按需修改成自己的数据库信息 +################################################# +... +canal.instance.master.address=192.168.1.20:3306 +# username/password,数据库的用户名和密码 +... +canal.instance.dbUsername = canal +canal.instance.dbPassword = canal +... +################################################# + +``` +对应ip 地址的MySQL 数据库需进行相关初始化与设置 +详情参考 QuickStart : https://github.com/alibaba/canal/wiki/QuickStart + + +修改canal 配置文件`vim /usr/local/canal/conf/canal.properties ` +``` +# ... +canal_ip =192.168.1.99 +# zk server地址 +canal.zkServers=192.168.1.110:2181,192.168.1.111:2181,192.168.1.112:2181 +canal.destinations= example +# ... +canal.instance.global.spring.xml = classpath:spring/default-instance.xml +``` +详细请参考 AdminGuide : https://github.com/alibaba/canal/wiki/AdminGuide + +修改canal.kafka 配置文件`vim /usr/local/canal/conf/kafka.yml` +``` +#kafka 集群用,进行分隔: 192.168.1.117:9092,192.168.1.118:9092,192.168.1.119:9092 +servers: 192.168.1.117:9092 +retries: 0 +batchSize: 16384 +lingerMs: 1 +bufferMemory: 33554432 +# canal的批次大小，单位 k +canalBatchSize: 50 +filterTransactionEntry: true + +canalDestinations: + - canalDestination: example + topic: example + partition: + # 一个destination可以对应多个topic +# topics: +# - topics: example +# partition: +``` +参数说明 +servers: 对应 kafka的 `ProducerConfig.BOOTSTRAP_SERVERS_CONFIG` +retries: 对应kafka的`ProducerConfig.RETRIES_CONFIG` +batchSize: 对应kafka的`ProducerConfig.BATCH_SIZE_CONFIG` +lingerMs: 对应kafka的`ProducerConfig.LINGER_MS_CONFIG` +bufferMemory: 对应kafka的`ProducerConfig.BUFFER_MEMORY_CONFIG` +filterTransactionEntry: 过滤事务头、尾 + +### 5.4 启动 +``` +cd /usr/local/canal/ +sh bin/startup.sh +``` +### 5.5 查看日志 +a.查看 logs/canal/canal.log +``` +vi logs/canal/canal.log +``` +b. 查看instance的日志： +``` +vi logs/example/example.log +``` +### 5.6 关闭 +``` +cd /usr/local/canal/ +sh bin/stop.sh +``` +### 5.7 使用canal.kafka.client 查看kafka topic中的代码样例 +``` +# // 待补充 +``` +### 5.8 参考链接 +``` +https://github.com/alibaba/canal/wiki/QuickStart +https://github.com/alibaba/canal/wiki/AdminGuide +``` \ No newline at end of file