Apache Knox安装测试

一、Knox简介
一、下载Knox
二、安装Hadoop和Knox
三、读写HDFS

一、Knox简介

Announcing Apache Knox 1.6.1!
REST API and Application Gateway for the Apache Hadoop Ecosystem
The Apache Knox™ Gateway is an Application Gateway for interacting with the REST APIs and UIs
of Apache Hadoop deployments.
The Knox Gateway provides a single access point for all REST and HTTP interactions with Apache Hadoop
clusters.Knox delivers three groups of user facing services:

官网介绍：

Apache Knox网关是一个为集群中的Apache Hadoop服务提供单点身份验证和访问的系统。目标是为用户（即访问集群数据和执行作业的用户）和操作员（即控制访问和管理集群的用户）简化Hadoop安全。网关作为服务器（或服务器集群）运行，提供对一个或多个Hadoop集群的集中访问。一般来说，网关的目标如下：
- 为Hadoop REST API提供外围安全，使Hadoop安全更易于设置和使用
- 在外围提供身份验证和令牌验证
- 实现与企业和云身份管理系统的身份验证集成
- 在外围提供服务级别授权
- 公开聚合Hadoop集群的REST API的单个URL层次结构
- 限制访问Hadoop集群所需的网络端点（以及防火墙漏洞）
- 对潜在攻击者隐藏内部Hadoop群集拓扑

运行逻辑图：

一、下载Knox

下载地址：下载Knox链接

二、安装Hadoop和Knox

Hadoop安装可参考博文：Hadoop2.7.3全分布式环境搭建
安装Knox
- 注意：需要使用普通用户安装，如omm
  - 新建用户组和用户，如:
```
groupadd knoxgroup
useradd -g knoxgroup omm
passwd omm
```
- 可参考官网:Quick Start
- 使用omm用户登录服务器，默认安装在/home/omm下
- 上传knox1.6.1.zip包到虚拟机中
- 解压安装：unzip knox1.6.1.zip
- 环境配置（可选）
- 启动LDAP，进入到解压之后的目录/home/omm/knox1.6.1下执行命令：bin/ldap.sh start
- 创建Master密钥,执行如下命令：bin/knoxcli.sh create-master,回车，输入密钥密码
- 启动Knox服务，执行：bin/gateway.sh start
- 检查LDAP和knox服务是否正常启动，执行:jps，结果如下：

三、读写HDFS

通过网关gateway在WebHDFS上调用LISTSTATUS操作，命令如下：

执行命令：

curl -i -k -u guest:guest-password -X GET 'https://localhost:8443/gateway/sandbox/webhdfs/v1/?op=LISTSTATUS'

结果如图：

文字结果：

HTTP/1.1 200 OK
Date: Tue, 20 Sep 2022 13:55:54 GMT
Set-Cookie: KNOXSESSIONID=node01jvpkpq1sedtp1xcfgvzi9ok721.node0; Path=/gateway/sandbox; Secure; HttpOnly
Expires: Thu, 01 Jan 1970 00:00:00 GMT
Set-Cookie: rememberMe=deleteMe; Path=/gateway/sandbox; Max-Age=0; Expires=Mon, 19-Sep-2022 13:55:54 GMT; SameSite=lax
Cache-Control: no-cache
Expires: Tue, 20 Sep 2022 13:55:54 GMT
Date: Tue, 20 Sep 2022 13:55:54 GMT
Pragma: no-cache
Expires: Tue, 20 Sep 2022 13:55:54 GMT
Date: Tue, 20 Sep 2022 13:55:54 GMT
Pragma: no-cache
Content-Type: application/json;charset=utf-8
Server: Jetty(6.1.26)
Transfer-Encoding: chunked{"FileStatuses": {"FileStatus": [{"accessTime": 0,"blockSize": 0,"childrenNum": 0,"fileId": 17828,"group": "supergroup","length": 0,"modificationTime": 1655327421392,"owner": "root","pathSuffix": "elogs","permission": "755","replication": 0,"storagePolicy": 0,"type": "DIRECTORY"},{"accessTime": 0,"blockSize": 0,"childrenNum": 3,"fileId": 17453,"group": "supergroup","length": 0,"modificationTime": 1655487609271,"owner": "root","pathSuffix": "flumeLogs","permission": "755","replication": 0,"storagePolicy": 0,"type": "DIRECTORY"},{"accessTime": 0,"blockSize": 0,"childrenNum": 9,"fileId": 16936,"group": "supergroup","length": 0,"modificationTime": 1655436743899,"owner": "root","pathSuffix": "hbase","permission": "757","replication": 0,"storagePolicy": 0,"type": "DIRECTORY"},{"accessTime": 0,"blockSize": 0,"childrenNum": 0,"fileId": 17590,"group": "supergroup","length": 0,"modificationTime": 1655281104031,"owner": "suben","pathSuffix": "hdfsdemo","permission": "755","replication": 0,"storagePolicy": 0,"type": "DIRECTORY"},{"accessTime": 0,"blockSize": 0,"childrenNum": 6,"fileId": 16644,"group": "supergroup","length": 0,"modificationTime": 1656012489237,"owner": "root","pathSuffix": "inputs","permission": "755","replication": 0,"storagePolicy": 0,"type": "DIRECTORY"},{"accessTime": 0,"blockSize": 0,"childrenNum": 2,"fileId": 16658,"group": "supergroup","length": 0,"modificationTime": 1653646793954,"owner": "root","pathSuffix": "output","permission": "755","replication": 0,"storagePolicy": 0,"type": "DIRECTORY"},{"accessTime": 0,"blockSize": 0,"childrenNum": 4,"fileId": 17375,"group": "supergroup","length": 0,"modificationTime": 1655463859092,"owner": "root","pathSuffix": "outputs","permission": "755","replication": 0,"storagePolicy": 0,"type": "DIRECTORY"},{"accessTime": 0,"blockSize": 0,"childrenNum": 1,"fileId": 17570,"group": "supergroup","length": 0,"modificationTime": 1654919667421,"owner": "root","pathSuffix": "rdbms","permission": "755","replication": 0,"storagePolicy": 0,"type": "DIRECTORY"},{"accessTime": 0,"blockSize": 0,"childrenNum": 0,"fileId": 16641,"group": "supergroup","length": 0,"modificationTime": 1653636523487,"owner": "root","pathSuffix": "sparkhistory","permission": "755","replication": 0,"storagePolicy": 0,"type": "DIRECTORY"},{"accessTime": 0,"blockSize": 0,"childrenNum": 30,"fileId": 16642,"group": "supergroup","length": 0,"modificationTime": 1656024159488,"owner": "root","pathSuffix": "sparklogs","permission": "755","replication": 0,"storagePolicy": 0,"type": "DIRECTORY"},{"accessTime": 0,"blockSize": 0,"childrenNum": 1,"fileId": 18294,"group": "supergroup","length": 0,"modificationTime": 1656035964378,"owner": "root","pathSuffix": "testDataSet","permission": "755","replication": 0,"storagePolicy": 0,"type": "DIRECTORY"},{"accessTime": 0,"blockSize": 0,"childrenNum": 3,"fileId": 16575,"group": "supergroup","length": 0,"modificationTime": 1653628122500,"owner": "root","pathSuffix": "tmp","permission": "733","replication": 0,"storagePolicy": 0,"type": "DIRECTORY"},{"accessTime": 0,"blockSize": 0,"childrenNum": 2,"fileId": 16582,"group": "supergroup","length": 0,"modificationTime": 1654752608696,"owner": "root","pathSuffix": "user","permission": "757","replication": 0,"storagePolicy": 0,"type": "DIRECTORY"}]}
}

通过网关gateway在上传文件到HDFS上：

执行create操作命令：

curl -i -k -u guest:guest-password -X PUT 'https://localhost:8443/gateway/sandbox/webhdfs/v1/tmp/LICENSE?op=CREATE'

生成结果：

HTTP/1.1 307 Temporary Redirect
Date: Tue, 20 Sep 2022 15:03:21 GMT
Set-Cookie: KNOXSESSIONID=node01eqe641021389b3zv3vxzhjw411.node0; Path=/gateway/sandbox; Secure; HttpOnly
Expires: Thu, 01 Jan 1970 00:00:00 GMT
Set-Cookie: rememberMe=deleteMe; Path=/gateway/sandbox; Max-Age=0; Expires=Mon, 19-Sep-2022 15:03:21 GMT; SameSite=lax
Cache-Control: no-cache
Expires: Tue, 20 Sep 2022 15:03:21 GMT
Date: Tue, 20 Sep 2022 15:03:21 GMT
Pragma: no-cache
Expires: Tue, 20 Sep 2022 15:03:21 GMT
Date: Tue, 20 Sep 2022 15:03:21 GMT
Pragma: no-cache
Content-Type: application/octet-stream
Location: https://localhost:8443/gateway/sandbox/webhdfs/data/v1/webhdfs/v1/tmp/word?_=AAAACAAAABAAAABwTpIK-W64x8ISPJNY9JvX3XuoTVo-OXwLrz64napWpWGTq-oww25mTd4fgPehTjUXmd2_FKZ37LwpehOpiUBZtO788j4AEKIBv30d6HApTLika55LfTqUIugsgKw_bl6G8jgBfxQa-W2-qiB5xRzijYnrs0NYYveBgVnpS8lKlV1y-RJZFJjrPw
Server: Jetty(6.1.26)
Content-Length: 0

把上面结果内容中的Location的结果单独复制出来，后面上传文件时需要使用到，如下：

https://localhost:8443/gateway/sandbox/webhdfs/data/v1/webhdfs/v1/tmp/word?_=AAAACAAAABAAAABwTpIK-W64x8ISPJNY9JvX3XuoTVo-OXwLrz64napWpWGTq-oww25mTd4fgPehTjUXmd2_FKZ37LwpehOpiUBZtO788j4AEKIBv30d6HApTLika55LfTqUIugsgKw_bl6G8jgBfxQa-W2-qiB5xRzijYnrs0NYYveBgVnpS8lKlV1y-RJZFJjrPw

执行上传Put操作上传本地文件word.txt（如没有请自行创建）到HDFS上：

curl -i -k -u guest:guest-password -T /home/omm/word.txt -X PUT   'https://localhost:8443/gateway/sandbox/webhdfs/data/v1/webhdfs/v1/tmp/word?_=AAAACAAAABAAAABwTpIK-W64x8ISPJNY9JvX3XuoTVo-OXwLrz64napWpWGTq-oww25mTd4fgPehTjUXmd2_FKZ37LwpehOpiUBZtO788j4AEKIBv30d6HApTLika55LfTqUIugsgKw_bl6G8jgBfxQa-W2-qiB5xRzijYnrs0NYYveBgVnpS8lKlV1y-RJZFJjrPw'

生成结果

通过网关gateway在查看HDFS上的文件：

执行open操作，命令：

curl -i -k -u guest:guest-password -X GET 'https://localhost:8443/gateway/sandbox/webhdfs/v1/tmp/LICENSE?op=OPEN'

结果：

将Location对应的值复制出来，如下：

 https://localhost:8443/gateway/sandbox/webhdfs/data/v1/webhdfs/v1/tmp/word?_=AAAACAAAABAAAABwvGlR2yaXxjIdF-OhvfiGfk-Vbyc5rBHj44sz4sFRAeuNC-Gde7WIc7cXuJgRAGKKRuTfQYooqjnuhMycxSifYsYnT9zVEZsS_2O_rUCDpmqanxQkJDUSiOzpbbY8K0ihByeDeIBwmTKQ1gXq_nxY3KpH5sB2lOMEOtQsEisJ0F0VsfejKtInRQ

执行Get操作查看文件，命令：

curl -i -k -u guest:guest-password -X GET 'https://localhost:8443/gateway/sandbox/webhdfs/data/v1/webhdfs/v1/tmp/word?_=AAAACAAAABAAAABwvGlR2yaXxjIdF-OhvfiGfk-Vbyc5rBHj44sz4sFRAeuNC-Gde7WIc7cXuJgRAGKKRuTfQYooqjnuhMycxSifYsYnT9zVEZsS_2O_rUCDpmqanxQkJDUSiOzpbbY8K0ihByeDeIBwmTKQ1gXq_nxY3KpH5sB2lOMEOtQsEisJ0F0VsfejKtInRQ'

结果：

当然可以使用hdfs命令查看/tmp目录下是不是多出了一个/tmp/word的文件，如下所示:

查看下内容：hdfs dfs -cat /tmp/word，结果和上述的结果一样，具体如下所示：

至此，简单的安装测试apache knox就到此结束，该篇博文参考了knox官网教程，在验证过程中记录下来，当作是练习使用吧，希望对你有所帮助~~~

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Apache Knox安装测试

Apache Knox安装测试

一、Knox简介

一、下载Knox

二、安装Hadoop和Knox

三、读写HDFS

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