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BigDataParty

大数据组件 All-in-One 的 Dockerfile。

1. 基本信息

各个组件的版本信息如下(MySQL的 root 密码为 root):

组件 版本
基础镜像 ubuntu:18.04
Hadoop 3.1.3
Spark 2.4.4
Hive (on Tez) 3.1.2
Tez 0.9.2
Hue 4.5.0
Flink 1.9.1
Zookeeper 3.5.6
Kafka 2.3.1
MySQL 5.7

2. 启动说明

镜像已经推送到Docker Hub,直接执行如下命令应当会开始拉取镜像:

docker run -it -p 8088:8088 -p 8888:8888 -h bigdata iamabug1128/bdp bash

或者 clone 本项目并执行 run-bdp.sh 脚本。

8088 是 YARN 的 Web UI 端口,8888 是 Hue 的端口。

主机名必须指定为 bigdata。

进入镜像后,启动所有组件的命令:

/run/entrypoint.sh

或者,单独启动 Kafka:

/run/start_kafka.sh

查看进程,确认所有进程都已经启动:

root@bigdata:/# jps
1796 ResourceManager
1316 DataNode
2661 RunJar
1205 NameNode
2662 RunJar
3719 Jps
1914 NodeManager
1530 SecondaryNameNode
523 QuorumPeerMain
543 Kafka

除了 Hue 安装在 /usr/share/hue 、MySQL 安装在系统路径以外,其它所有的组件的安装在 /usr/local/ 目录下:

root@bigdata:/# ls /usr/local/      
bin  etc  flink  games  hadoop  hive  include  kafka  lib  man  sbin  share  spark  src  tez  zookeeper

3. 使用示例

3.1 使用 Hue 上传文件到 HDFS

访问 localhost:8888 ,输入 admin, admin 登录 Hue,点击左侧 Files 导航按钮,出现文件浏览器页面:

点击右上角的 Upload 按钮,选择一个文件上传,上传后页面:

回到容器的命令行中,查看 /user/admin 目录:

说明上传确实成功了。

3.2 运行 Flink on Yarn 的 WordCount 例子

在命令行中切换到 /usr/local/flink 目录,执行 ./bin/flink run -m yarn-cluster -p 4 -yjm 1024m -ytm 4096m ./examples/batch/WordCount.jar

在浏览器中打开 http://localhost:8088,可以看到正在执行的 Flink 任务:

任务顺利完成:

4. 构建说明

目录结构如下:

BigDataParty $ tree               
.
├── Dockerfile
├── README.md
├── build.sh
├── conf
├── packages
├── run-bdp.sh
└── scripts

除了 README 和 Dockerfile 各文件目录简介如下:

  • build.sh:下载各组件的压缩包并执行 docker build
  • run-bdp.sh:运行构建好的镜像,并暴露 Hue 和 Yarn 的 Web 端口
  • conf:存放各个组件的配置文件,构建镜像时拷贝到各组件的目录下
  • packages:存放各个组件的压缩包,构建镜像时解压到 /usr/local 目录下
  • scripts:存放各个组件初始化和启动脚本,构建镜像时拷贝到 /run 目录下

5. 待续

写这个镜像的目的是为了方便自己平时使用(学习、测试、验证等等),以后还会继续完善,如果你有兴趣,欢迎加入我。

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