Spark2.4.0 访问hive(集成kerberos)(scala)

Spark2.4.0(scala)

1.kerberso 认证(需要将相应用户的keytab文件引入本地)

代码如下:

class KerberosAuth1 {
  def kerberosAuth(debug: Boolean): Unit = {
    try {
      System.setProperty("java.security.krb5.conf", "D:\cdh\spark\src\main\kerberos\krb5.conf")
      //            System.setProperty("java.security.krb5.conf","/lvm/data3/zhc/krb5.conf");
      System.setProperty("javax.security.auth.useSubjectCredsOnly", "false")
      if (debug) System.setProperty("sun.security.krb5.debug", "true")
      UserGroupInformation.loginUserFromKeytab("gree2@GREE.IO", "D:\cdh\spark\src\main\kerberos\gree2.keytab")
      //            UserGroupInformation.loginUserFromKeytab("gree1@GREE.IO", "/lvm/data3/zhc/gree1.keytab");
      System.out.println(UserGroupInformation.getCurrentUser)
    } catch {
      case e: Exception =>
        e.printStackTrace()
    }
  }
}

2.maven 依赖

<dependencies>    
       <dependency>
                <groupId>org.apache.hadoop</groupId>
                <artifactId>hadoop-client</artifactId>
                <version>3.0.0-cdh6.3.0</version>              
    </dependency>

       <dependency>
                <groupId>org.apache.hadoop</groupId>
                <artifactId>hadoop-common</artifactId>
                <version>3.0.0-cdh6.3.0</version>
       </dependency

        <dependency>
            <groupId>org.apache.spark</groupId>
            <artifactId>spark-hive_2.11</artifactId>
            <version>2.4.0-cdh6.3.0</version>
            <scope>compile</scope>
        </dependency>
    
</dependencies>

3.代码访问

main

object SparkTest {
  def main(args: Array[String]): Unit = {
       new KerberosAuth1().kerberosAuth(false);
       val sparkSession = SparkSession.builder().appName("spark2Test")
//         .config("spark.sql.warehouse.dir","/user/hive/warehouse")
      .master("local[*]").enableHiveSupport.getOrCreate()

      sparkSession.sql("select name from test.test").show()

//    sparkSession.sql("show tables").show()
//    sparkSession.sql("select name from default.linetest ").show()
  }
}

原文地址:https://www.cnblogs.com/HarSenZhao/p/11510061.html