centos7下部署kettle集群

目前涉及到多数据源的情况，大数据集群需要把相关的数据按照一定的需求进行抽取，因此采用kettle进行数据拉取使用。

首先安装三台centos7 ,分别配置好静态ip，ssh免密码登录，关闭防火墙，jdk1.8安装，ntp时间同步 请参照https://blog.csdn.net/weixin_42575806/article/details/110185977

具体步骤这里不多说了！

我这里通过xshell远程工具来连接的

先把主机名和ip地址映射配置好，其他另外两个节点参照配置

[root@Kettlemaster data-integration]# vim /etc/hostname

另外两个节点也是这样做，在这里不多赘述了。

我这边先把相关软件上传到/usr/local/src

下面安装jdk

先在本地上传一个jdk的安装包 tar -xzvf jdk-8u181-linux-x64.tar.gz

配置jdk的环境变量

export JAVA_HOME=/usr/local/jdk1.8.0_181
export JRE_HOME=${JAVA_HOME}/jre
export CLASSPATH=.:${JAVA_HOME}/lib:${JRE_HOME}/lib:$CLASSPATH
export JAVA_PATH=${JAVA_HOME}/bin:${JRE_HOME}/bin
export PATH=$PATH:${JAVA_PATH}

我们把jdk分发到另外两个节点

scp -r /usr/local/jdk1.8.0_181 Kettleslave1:/usr/local

scp -r /usr/local/jdk1.8.0_181 Kettleslave2:/usr/local

分别给另外两个节点配置环境变量，具体操作跟前面的一样，这里我不多说了。

Kettle的安装

下载地址：

链接：https://pan.baidu.com/s/1bO_A9zNnwWTV8shIqsO2Sw
提取码：is8s

官网下载连接https://community.hitachivantara.com/s/article/data-integration-kettle

先把kettle的安装包上传上来，然后解压

[root@Kettlemaster src]# unzip pdi-ce-8.2.0.0-342.zip

我们可以进来看看

我们开始配置kettle 进入/usr/local/src/data-integration/pwd

我们先在master主机上面修改配置，这个地方我们用hostname或者固定ip也可以

[root@Kettlemaster pwd]#vim carte-config-master-8080.xml

<slave_config>
  <!-- 
     Document description...
     
     - masters: You can list the slave servers to which this slave has to report back to.
                If this is a master, we will contact the other masters to get a list of all the slaves in the cluster.

     - report_to_masters : send a message to the defined masters to let them know we exist (Y/N)

     - slaveserver : specify the slave server details of this carte instance.
                     IMPORTANT : the username and password specified here are used by the master instances to connect to this slave.

  --> 

  <slaveserver>
    <name>master1</name>
    <hostname>Kettlemaster</hostname>
    <port>8080</port>
    <master>Y</master>
  </slaveserver>


</slave_config>

再修改剩余两台服务器配置

[root@Kettlemaster pwd]# vim carte-config-8081.xml

<slave_config>
  <!-- 
     Document description...
     
     - masters: You can list the slave servers to which this slave has to report back to.
                If this is a master, we will contact the other masters to get a list of all the slaves in the cluster.

     - report_to_masters : send a message to the defined masters to let them know we exist (Y/N)

     - slaveserver : specify the slave server details of this carte instance.
                     IMPORTANT : the username and password specified here are used by the master instances to connect to this slave.

  --> 

  <masters>

    <slaveserver>
      <name>master1</name>
      <hostname>Kettlemaster</hostname>
      <port>8080</port>
      <username>cluster</username>
      <password>cluster</password>
      <master>Y</master>
    </slaveserver>

  </masters>

  <report_to_masters>Y</report_to_masters>

  <slaveserver>
    <name>slave1-8081</name>
    <hostname>Kettleslave1</hostname>
    <port>8081</port>
    <username>cluster</username>
    <password>cluster</password>
    <master>N</master>
  </slaveserver>


</slave_config>

[root@Kettlemaster pwd]# vim carte-config-8082.xml

<slave_config>
  <!-- 
     Document description...
     
     - masters: You can list the slave servers to which this slave has to report back to.
                If this is a master, we will contact the other masters to get a list of all the slaves in the cluster.

     - report_to_masters : send a message to the defined masters to let them know we exist (Y/N)

     - slaveserver : specify the slave server details of this carte instance.
                     IMPORTANT : the username and password specified here are used by the master instances to connect to this slave.

  --> 

  <masters>

    <slaveserver>
      <name>master1</name>
      <hostname>Kettlemaster</hostname>
      <port>8080</port>
      <username>cluster</username>
      <password>cluster</password>
      <master>Y</master>
    </slaveserver>

  </masters>

  <report_to_masters>Y</report_to_masters>

  <slaveserver>
    <name>slave2-8082</name>
    <hostname>Kettleslave2</hostname>
    <port>8082</port>
    <username>cluster</username>
    <password>cluster</password>
    <master>N</master>
  </slaveserver>


</slave_config>

我这里是搭建的三节点集群，所以我就配置了三个，当然也可以配置4节点，5节点了。大家可以根据自己的需要去配置。

现在把配置好的kettle分发给另外两节点

[kettle@kettlemaster modules]$ scp -r /usr/local/src/data-integration Kettleslave1:/usr/local/src
[kettle@kettlemaster modules]$ scp -r /usr/local/src/data-integration Kettleslave2:/usr/local/src

在主节点上启动一下服务:

/usr/local/src/data-integration/carte.sh Kettlemaster 8080 &

在浏览器打开http://192.168.2.111:8080这个地址，其中账号密码都是cluster

表示master启动成功。

同样的在从节点也启动一下服务

/usr/local/src/data-integration/carte.sh Kettleslave1 8081 &
在浏览器打开 http://192.168.2.112:8081
/usr/local/src/data-integration/carte.sh Kettleslave2 8082 &
在浏览器打开 http://192.168.2.113:8082

centos7下部署kettle集群

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