Apache Ranger提供一个集中式安全管理框架, 并解决受权和审计。它能够对Hadoop生态的组件如HDFS、Yarn、Hive、Hbase等进行细粒度的数据访问控制。经过操做Ranger控制台,管理员能够轻松的经过配置策略来控制用户访问权限。Ranger优势:html
为何选择Ranger:java
Ranger的架构图:node
RangerAdmin:python
Service Plugin:mysql
Ranger权限模型linux
以HDFS为例,与Ranger集成后的访问流程:sql
以Hive为例,与Ranger集成后的访问流程:数据库
以YARN为例,与Ranger集成后的访问流程:apache
官方文档:vim
首先准备好Java和Maven环境:
[root@hadoop ~]# java -version java version "1.8.0_261" Java(TM) SE Runtime Environment (build 1.8.0_261-b12) Java HotSpot(TM) 64-Bit Server VM (build 25.261-b12, mixed mode) [root@hadoop ~]# mvn -v Apache Maven 3.6.3 (cecedd343002696d0abb50b32b541b8a6ba2883f) Maven home: /usr/local/maven Java version: 1.8.0_261, vendor: Oracle Corporation, runtime: /usr/local/jdk/1.8/jre Default locale: zh_CN, platform encoding: UTF-8 OS name: "linux", version: "3.10.0-1062.el7.x86_64", arch: "amd64", family: "unix" [root@hadoop ~]#
安装一个MySQL数据库,我这里使用的是我本地的数据库:
C:\Users\Administrator>mysql --version mysql Ver 8.0.21 for Win64 on x86_64 (MySQL Community Server - GPL)
搭建一个Hadoop环境,注意Hadoop的版本必定要 >= 2.7.1,由于我以前尝试过2.6.0版本的Hadoop没法与Ranger整合成功,本文使用的是2.8.5版本:
[root@hadoop ~]# echo $HADOOP_HOME /usr/local/hadoop-2.8.5 [root@hadoop ~]#
Ranger依赖了MySQL做为状态存储,因此须要准备一个MySQL的驱动包:
[root@hadoop ~]# ls /usr/local/src |grep mysql mysql-connector-java-8.0.21.jar [root@hadoop ~]#
到官网上下载源码包:
须要注意Ranger与Hadoop的对应版本,若是你安装的Hadoop是2.x的,那么Ranger须要采用2.x如下的版本。若是你安装的Hadoop是3.x的,那么Ranger须要采用2.x以上的版本。例如,我这里安装的Hadoop版本是2.8.5,因此选择1.2.0版本的Ranger:
[root@hadoop ~]# cd /usr/local/src [root@hadoop /usr/local/src]# wget https://mirror-hk.koddos.net/apache/ranger/1.2.0/apache-ranger-1.2.0.tar.gz
解压源码包:
[root@hadoop /usr/local/src]# tar -zxvf apache-ranger-1.2.0.tar.gz
进入解压后的目录:cd apache-ranger-1.2.0
,修改该目录下的pom
文件,将仓库相关配置都给注释掉:
<!-- <repositories> <repository> <id>apache.snapshots.https</id> <name>Apache Development Snapshot Repository</name> <url>https://repository.apache.org/content/repositories/snapshots</url> <snapshots> <enabled>true</enabled> </snapshots> </repository> <repository> <id>apache.public.https</id> <name>Apache Development Snapshot Repository</name> <url>https://repository.apache.org/content/repositories/public</url> <releases> <enabled>true</enabled> </releases> <snapshots> <enabled>false</enabled> </snapshots> </repository> <repository> <id>repo</id> <url>file://${basedir}/local-repo</url> <snapshots> <enabled>true</enabled> </snapshots> </repository> </repositories> -->
完成以上的修改后,使用maven命令进行编译打包:
[root@hadoop /usr/local/src/apache-ranger-1.2.0]# mvn -DskipTests=true clean package assembly:assembly
通过一段漫长的等待后,编译打包完成将输出以下信息:
[INFO] ------------------------------------------------------------------------ [INFO] Reactor Summary for ranger 1.2.0: [INFO] [INFO] ranger ............................................. SUCCESS [ 0.838 s] [INFO] Jdbc SQL Connector ................................. SUCCESS [ 0.861 s] [INFO] Credential Support ................................. SUCCESS [ 26.341 s] [INFO] Audit Component .................................... SUCCESS [ 1.475 s] [INFO] Common library for Plugins ......................... SUCCESS [ 3.154 s] [INFO] Installer Support Component ........................ SUCCESS [ 0.471 s] [INFO] Credential Builder ................................. SUCCESS [ 1.074 s] [INFO] Embedded Web Server Invoker ........................ SUCCESS [ 0.807 s] [INFO] Key Management Service ............................. SUCCESS [ 3.335 s] [INFO] ranger-plugin-classloader .......................... SUCCESS [ 0.797 s] [INFO] HBase Security Plugin Shim ......................... SUCCESS [ 17.365 s] [INFO] HBase Security Plugin .............................. SUCCESS [ 6.050 s] [INFO] Hdfs Security Plugin ............................... SUCCESS [ 5.831 s] [INFO] Hive Security Plugin ............................... SUCCESS [02:01 min] [INFO] Knox Security Plugin Shim .......................... SUCCESS [03:47 min] [INFO] Knox Security Plugin ............................... SUCCESS [07:05 min] [INFO] Storm Security Plugin .............................. SUCCESS [ 1.757 s] [INFO] YARN Security Plugin ............................... SUCCESS [ 0.820 s] [INFO] Ranger Util ........................................ SUCCESS [ 0.869 s] [INFO] Unix Authentication Client ......................... SUCCESS [ 17.494 s] [INFO] Security Admin Web Application ..................... SUCCESS [03:01 min] [INFO] KAFKA Security Plugin .............................. SUCCESS [ 6.686 s] [INFO] SOLR Security Plugin ............................... SUCCESS [03:07 min] [INFO] NiFi Security Plugin ............................... SUCCESS [ 1.210 s] [INFO] NiFi Registry Security Plugin ...................... SUCCESS [ 1.205 s] [INFO] Unix User Group Synchronizer ....................... SUCCESS [ 2.062 s] [INFO] Ldap Config Check Tool ............................. SUCCESS [ 3.478 s] [INFO] Unix Authentication Service ........................ SUCCESS [ 0.638 s] [INFO] KMS Security Plugin ................................ SUCCESS [ 1.430 s] [INFO] Tag Synchronizer ................................... SUCCESS [01:58 min] [INFO] Hdfs Security Plugin Shim .......................... SUCCESS [ 0.584 s] [INFO] Hive Security Plugin Shim .......................... SUCCESS [ 24.249 s] [INFO] YARN Security Plugin Shim .......................... SUCCESS [ 0.612 s] [INFO] Storm Security Plugin shim ......................... SUCCESS [ 0.709 s] [INFO] KAFKA Security Plugin Shim ......................... SUCCESS [ 0.617 s] [INFO] SOLR Security Plugin Shim .......................... SUCCESS [ 0.716 s] [INFO] Atlas Security Plugin Shim ......................... SUCCESS [ 31.534 s] [INFO] KMS Security Plugin Shim ........................... SUCCESS [ 0.648 s] [INFO] ranger-examples .................................... SUCCESS [ 0.015 s] [INFO] Ranger Examples - Conditions and ContextEnrichers .. SUCCESS [ 1.108 s] [INFO] Ranger Examples - SampleApp ........................ SUCCESS [ 0.386 s] [INFO] Ranger Examples - Ranger Plugin for SampleApp ...... SUCCESS [ 0.519 s] [INFO] Ranger Tools ....................................... SUCCESS [ 1.411 s] [INFO] Atlas Security Plugin .............................. SUCCESS [ 3.977 s] [INFO] Sqoop Security Plugin .............................. SUCCESS [ 3.637 s] [INFO] Sqoop Security Plugin Shim ......................... SUCCESS [ 0.558 s] [INFO] Kylin Security Plugin .............................. SUCCESS [01:04 min] [INFO] Kylin Security Plugin Shim ......................... SUCCESS [ 0.883 s] [INFO] Unix Native Authenticator .......................... SUCCESS [ 0.452 s] [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------
此时在target
目录下能够看到打包好的插件安装包:
[root@hadoop /usr/local/src/apache-ranger-1.2.0]# ls target/ antrun ranger-1.2.0-hbase-plugin.zip ranger-1.2.0-kms.zip ranger-1.2.0-ranger-tools.zip ranger-1.2.0-storm-plugin.zip archive-tmp ranger-1.2.0-hdfs-plugin.tar.gz ranger-1.2.0-knox-plugin.tar.gz ranger-1.2.0-solr-plugin.tar.gz ranger-1.2.0-tagsync.tar.gz maven-shared-archive-resources ranger-1.2.0-hdfs-plugin.zip ranger-1.2.0-knox-plugin.zip ranger-1.2.0-solr-plugin.zip ranger-1.2.0-tagsync.zip ranger-1.2.0-admin.tar.gz ranger-1.2.0-hive-plugin.tar.gz ranger-1.2.0-kylin-plugin.tar.gz ranger-1.2.0-sqoop-plugin.tar.gz ranger-1.2.0-usersync.tar.gz ranger-1.2.0-admin.zip ranger-1.2.0-hive-plugin.zip ranger-1.2.0-kylin-plugin.zip ranger-1.2.0-sqoop-plugin.zip ranger-1.2.0-usersync.zip ranger-1.2.0-atlas-plugin.tar.gz ranger-1.2.0-kafka-plugin.tar.gz ranger-1.2.0-migration-util.tar.gz ranger-1.2.0-src.tar.gz ranger-1.2.0-yarn-plugin.tar.gz ranger-1.2.0-atlas-plugin.zip ranger-1.2.0-kafka-plugin.zip ranger-1.2.0-migration-util.zip ranger-1.2.0-src.zip ranger-1.2.0-yarn-plugin.zip ranger-1.2.0-hbase-plugin.tar.gz ranger-1.2.0-kms.tar.gz ranger-1.2.0-ranger-tools.tar.gz ranger-1.2.0-storm-plugin.tar.gz version [root@hadoop /usr/local/src/apache-ranger-1.2.0]#
将ranger admin的安装包解压到合适的目录下,我这里习惯放到/usr/local
:
[root@hadoop /usr/local/src/apache-ranger-1.2.0]# tar -zxvf target/ranger-1.2.0-admin.tar.gz -C /usr/local/
进入解压后的目录,目录结构以下:
[root@hadoop /usr/local/src/apache-ranger-1.2.0]# cd /usr/local/ranger-1.2.0-admin/ [root@hadoop /usr/local/ranger-1.2.0-admin]# ls bin contrib dba_script.py ews ranger_credential_helper.py set_globals.sh templates-upgrade upgrade.sh changepasswordutil.py cred db_setup.py install.properties restrict_permissions.py setup_authentication.sh update_property.py version changeusernameutil.py db deleteUserGroupUtil.py jisql rolebasedusersearchutil.py setup.sh upgrade_admin.py [root@hadoop /usr/local/ranger-1.2.0-admin]#
配置安装选项:
[root@hadoop /usr/local/ranger-1.2.0-admin]# vim install.properties # 指定MySQL驱动包所在的路径 SQL_CONNECTOR_JAR=/usr/local/src/mysql-connector-java-8.0.21.jar # 配置root用户名密码以及MySQL实例的链接地址 db_root_user=root db_root_password=123456a. db_host=192.168.1.11 # 配置访问数据库的用户名密码 db_name=ranger_test db_user=root db_password=123456a. # 指定审计日志的存储方式 audit_store=db audit_db_user=root audit_db_name=ranger_test audit_db_password=123456a.
在MySQL中建立ranger数据库:
create database ranger_test;
因为我这里使用的是MySQL8.x,须要修改一下数据库相关的脚本,不是MySQL8版本的能够跳过这一步。打开dba_script.py
和db_setup.py
文件,搜索以下内容:
-cstring jdbc:mysql://%s/%s%s
将其所有修改成以下所示,主要是添加JDBC的serverTimezone
链接参数:
-cstring jdbc:mysql://%s/%s%s?serverTimezone=Asia/Shanghai
而后执行以下命令开始安装ranger admin:
[root@hadoop /usr/local/ranger-1.2.0-admin]# ./setup.sh
安装过程当中若是报以下错误:
SQLException : SQL state: HY000 java.sql.SQLException: Operation CREATE USER failed for 'root'@'localhost' ErrorCode: 1396 SQLException : SQL state: 42000 java.sql.SQLSyntaxErrorException: Access denied for user 'root'@'192.168.1.11' to database 'mysql' ErrorCode: 1044
解决方式,就是在MySQL中执行以下语句:
use mysql; flush privileges; grant system_user on *.* to 'root'; drop user'root'@'localhost'; create user 'root'@'localhost' identified by '123456a.'; grant all privileges on *.* to 'root'@'localhost' with grant option; drop user'root'@'192.168.1.11'; create user 'root'@'192.168.1.11' identified by '123456a.'; grant all privileges on *.* to 'root'@'192.168.1.11' with grant option; flush privileges;
若是报以下错误:
SQLException : SQL state: HY000 java.sql.SQLException: This function has none of DETERMINISTIC, NO SQL, or READS SQL DATA in its declaration and binary logging is enabled (you *might* want to use the less safe log_bin_trust_function_creators variable) ErrorCode: 1418
解决方式:
set global log_bin_trust_function_creators=TRUE; flush privileges;
若是报以下错误:
SQLException : SQL state: HY000 java.sql.SQLException: Cannot drop table 'x_policy' referenced by a foreign key constraint 'x_policy_ref_role_FK_policy_id' on table 'x_policy_ref_role'. ErrorCode: 3730
解决方式:删除ranger库中全部的表,再从新执行./setup.sh
安装完成后最终会输出:
Installation of Ranger PolicyManager Web Application is completed.
修改配置文件,配置数据库链接密码和jdbc url时区参数:
[root@hadoop /usr/local/ranger-1.2.0-admin]# vim conf/ranger-admin-site.xml ... <property> <name>ranger.jpa.jdbc.url</name> <value>jdbc:log4jdbc:mysql://192.168.1.11/ranger_test?serverTimezone=Asia/Shanghai</value> <description /> </property> <property> <name>ranger.jpa.jdbc.user</name> <value>root</value> <description /> </property> <property> <name>ranger.jpa.jdbc.password</name> <value>123456a.</value> <description /> </property> ...
修改审计存储相关配置:
[root@hadoop /usr/local/ranger-1.2.0-admin]# vim conf/ranger-admin-default-site.xml ... <property> <name>ranger.jpa.audit.jdbc.url</name> <value>jdbc:log4jdbc:mysql://192.168.1.11:3306/ranger_test?serverTimezone=Asia/Shanghai</value> <description /> </property> <property> <name>ranger.jpa.audit.jdbc.user</name> <value>root</value> <description /> </property> <property> <name>ranger.jpa.audit.jdbc.password</name> <value>123456a.</value> <description /> </property> ...
启动命令以下:
[root@hadoop /usr/local/ranger-1.2.0-admin]# ranger-admin start Starting Apache Ranger Admin Service Apache Ranger Admin Service with pid 21102 has started. [root@hadoop /usr/local/ranger-1.2.0-admin]#
检查端口和进程是否正常:
[root@hadoop /usr/local/ranger-1.2.0-admin]# jps 21194 Jps 21102 EmbeddedServer [root@hadoop /usr/local/ranger-1.2.0-admin]# netstat -lntp |grep 21102 tcp6 0 0 :::6080 :::* LISTEN 21102/java tcp6 0 0 127.0.0.1:6085 :::* LISTEN 21102/java [root@hadoop /usr/local/ranger-1.2.0-admin]#
使用浏览器访问6080端口,进入到登陆页面,默认用户名和密码均为admin:
登陆成功后,进入到首页,以下:
解压hdfs plugin的安装包到合适的目录下:
[root@hadoop ~]# mkdir /usr/local/ranger-plugin [root@hadoop ~]# tar -zxvf /usr/local/src/apache-ranger-1.2.0/target/ranger-1.2.0-hdfs-plugin.tar.gz -C /usr/local/ranger-plugin [root@hadoop ~]# cd /usr/local/ranger-plugin/ [root@hadoop /usr/local/ranger-plugin]# mv ranger-1.2.0-hdfs-plugin/ hdfs-plugin
进入解压后的目录,目录结构以下:
[root@hadoop /usr/local/ranger-plugin/hdfs-plugin]# ls disable-hdfs-plugin.sh enable-hdfs-plugin.sh install install.properties lib ranger_credential_helper.py upgrade-hdfs-plugin.sh upgrade-plugin.py [root@hadoop /usr/local/ranger-plugin/hdfs-plugin]#
配置安装选项:
[root@hadoop /usr/local/ranger-plugin/hdfs-plugin]# vim install.properties # 指定ranger admin服务的访问地址 POLICY_MGR_URL=http://192.168.243.161:6080 # 配置仓库名称,可自定义 REPOSITORY_NAME=dev_hdfs # 配置hadoop的安装目录 COMPONENT_INSTALL_DIR_NAME=/usr/local/hadoop-2.8.5 # 配置用户和用户组 CUSTOM_USER=root CUSTOM_GROUP=root
执行以下脚本开启hdfs-plugin:
[root@hadoop /usr/local/ranger-plugin/hdfs-plugin]# ./enable-hdfs-plugin.sh
脚本执行成功后,会输出以下内容:
Ranger Plugin for hadoop has been enabled. Please restart hadoop to ensure that changes are effective.
重启Hadoop:
[root@hadoop ~]# stop-all.sh [root@hadoop ~]# start-all.sh
到Ranger Admin上添加hdfs service,这里的Service Name需与配置文件中的配置所对应上:
填写相应信息:
填写完成后,到页面底部点击“Test Connection”测试可否正常链接,确承认以正常链接后点击“Add”完成新增:
等待一会后,到 “Audit” -> “Plugins” 页面查看有没有发现hdfs插件,若是没有的话表明插件没有启用成功。正常状况以下:
确认hdfs插件整合成功后,在hdfs中建立一些测试目录和文件:
[root@hadoop ~]# hdfs dfs -mkdir /rangertest1 [root@hadoop ~]# hdfs dfs -mkdir /rangertest2 [root@hadoop ~]# echo "ranger test" > testfile [root@hadoop ~]# hdfs dfs -put testfile /rangertest1 [root@hadoop ~]# hdfs dfs -put testfile /rangertest2
而后到Ranger Admin上添加Ranger的内部用户,“Settings” -> “Add New User”,填写用户信息:
接着添加权限策略,“Access Manager” -> “dev_hdfs” -> “Add New Policy”,配置权限策略所做用的用户、目录等信息:
拉到底部点击“Add”完成添加后,能够看到新增了一条策略配置:
回到操做系统,添加并切换到hive
用户,测试可否正常读取目录、文件:
[root@hadoop ~]# sudo su - hive [hive@hadoop ~]$ hdfs dfs -ls / Found 2 items drwxr-xr-x - root supergroup 0 2020-11-12 13:48 /rangertest1 drwxr-xr-x - root supergroup 0 2020-11-12 13:48 /rangertest2 [hive@hadoop ~]$ hdfs dfs -ls /rangertest1 Found 1 items -rw-r--r-- 1 root supergroup 12 2020-11-12 13:48 /rangertest1/testfile [hive@hadoop ~]$ hdfs dfs -cat /rangertest1/testfile ranger test [hive@hadoop ~]$ hdfs dfs -ls /rangertest2 Found 1 items -rw-r--r-- 1 root supergroup 12 2020-11-12 13:48 /rangertest2/testfile [hive@hadoop ~]$
经过查看目录信息能够看到rangertest1
和rangertest2
目录的权限位是:drwxr-xr-x
,也就说除root
外的用户是没权限对这两个目录进行写操做的。
但此时测试写操做,会发现hive
用户可以正常往rangertest1
目录添加文件,但往rangertest2
目录添加文件就会报错,由于在Ranger中咱们只赋予了hive
用户对rangertest1
目录的读写权限:
[hive@hadoop ~]$ echo "this is test file 2" > testfile2 [hive@hadoop ~]$ hdfs dfs -put testfile2 /rangertest1 [hive@hadoop ~]$ hdfs dfs -put testfile2 /rangertest2 put: Permission denied: user=hive, access=WRITE, inode="/rangertest2":root:supergroup:drwxr-xr-x [hive@hadoop ~]$
若是咱们想禁止hive
用户对rangertest2
目录的全部操做,那么就能够新增一条拒绝策略,“Resource Path”选择rangertest2
目录,而且在“Deny Conditions”一栏中勾选须要deny的权限便可:
策略生效后,此时hive
用户访问rangertest2
目录就会提示权限拒绝了:
[hive@hadoop ~]$ hdfs dfs -ls /rangertest2 ls: Permission denied: user=hive, access=EXECUTE, inode="/rangertest2" [hive@hadoop ~]$ hdfs dfs -cat /rangertest2/testfile cat: Permission denied: user=hive, access=EXECUTE, inode="/rangertest2/testfile" [hive@hadoop ~]$
至此,Ranger对HDFS的权限控制也验证经过了。除此以外,你也能够进行其余的测试。
首先须要搭建好Hive环境,能够参考下文:
为了与Hadoop和Ranger版本保持兼容,本文使用的Hive版本是2.3.6:
[root@hadoop ~]# echo $HIVE_HOME /usr/local/apache-hive-2.3.6-bin [root@hadoop ~]#
解压hive plugin的安装包到合适的目录下:
[root@hadoop ~]# tar -zxvf /usr/local/src/apache-ranger-1.2.0/target/ranger-1.2.0-hive-plugin.tar.gz -C /usr/local/ranger-plugin/ [root@hadoop /usr/local/ranger-plugin]# mv ranger-1.2.0-hive-plugin/ hive-plugin
进入解压后的目录,目录结构以下:
[root@hadoop /usr/local/ranger-plugin]# cd hive-plugin/ [root@hadoop /usr/local/ranger-plugin/hive-plugin]# ls disable-hive-plugin.sh enable-hive-plugin.sh install install.properties lib ranger_credential_helper.py upgrade-hive-plugin.sh upgrade-plugin.py [root@hadoop /usr/local/ranger-plugin/hive-plugin]#
配置安装选项:
[root@hadoop /usr/local/ranger-plugin/hive-plugin]# vim install.properties # 指定ranger admin服务的访问地址 POLICY_MGR_URL=http://192.168.243.161:6080 # 配置仓库名称,可自定义 REPOSITORY_NAME=dev_hive # 配置hive的安装目录 COMPONENT_INSTALL_DIR_NAME=/usr/local/apache-hive-2.3.6-bin # 配置用户和用户组 CUSTOM_USER=root CUSTOM_GROUP=root
执行以下脚本开启hive-plugin:
[root@hadoop /usr/local/ranger-plugin/hive-plugin]# ./enable-hive-plugin.sh
脚本执行成功后,会输出以下内容:
Ranger Plugin for hive has been enabled. Please restart hive to ensure that changes are effective.
重启Hive:
[root@hadoop ~]# jps 8258 SecondaryNameNode 9554 EmbeddedServer 8531 NodeManager 13764 Jps 7942 NameNode 11591 RunJar 8040 DataNode 8428 ResourceManager [root@hadoop ~]# kill -15 11591 [root@hadoop ~]# nohup hiveserver2 -hiveconf hive.execution.engine=mr &
到Ranger Admin上添加hive service,这里的Service Name需与配置文件中的配置所对应上:
填写相应信息,并点击“Add”完成新增:
等待一会后,到 “Audit” -> “Plugins” 页面查看有没有探测到该hive插件,若是没有的话表明插件没有启用成功。正常状况以下:
确认hive插件整合成功后,添加权限策略,“Access Manager” -> “dev_hive” -> “Add New Policy”,配置权限策略所做用的用户、库、表、列等信息:
回到操做系统上,切换到hive
用户,并经过beeline
进入Hive的交互终端:
[root@hadoop ~]# sudo su - hive 上一次登陆:四 11月 12 13:53:53 CST 2020pts/1 上 [hive@hadoop ~]$ beeline -u jdbc:hive2://localhost:10000 -n hive
测试权限,能够看到除了show tables
外的操做都被拒绝了:
0: jdbc:hive2://localhost:10000> show tables; +-----------------+ | tab_name | +-----------------+ | hive_wordcount | +-----------------+ 1 row selected (0.126 seconds) 0: jdbc:hive2://localhost:10000> show databases; Error: Error while compiling statement: FAILED: HiveAccessControlException Permission denied: user [hive] does not have [USE] privilege on [*] (state=42000,code=40000) 0: jdbc:hive2://localhost:10000> select * from hive_wordcount; Error: Error while compiling statement: FAILED: HiveAccessControlException Permission denied: user [hive] does not have [SELECT] privilege on [default/hive_wordcount/*] (state=42000,code=40000) 0: jdbc:hive2://localhost:10000>
由于咱们只给予了hive
用户drop
hive_wordcount
表的权限:
0: jdbc:hive2://localhost:10000> drop table hive_wordcount; No rows affected (0.222 seconds) 0: jdbc:hive2://localhost:10000>