Hadoop Security Guide
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Configure an HDFS Service

Use the following stetps to add a service to HDFS:

  1. On the Service Manager page, click the + icon next to HDFS.

    The Create Service page appears.

    HDFS Create Service page
  2. Enter the following information on the Create Service page:

    Table 3.23. Service Details

    Field name

    Description

    Service Name

    The name of the service; required when configuring agents.

    Description

    A description of the service.

    Active Status

    Enabled or Disabled.


    Table 3.24. Config Properties

    Field name

    Description

    Username

    The end system username that can be used for connection.

    Password

    The password for the username entered above.

    Namenode URL

    hdfs://NAMENODE_FQDN:8020

    The location of the Hadoop HDFS service, as noted in the hadoop configuration file core-site.xml OR (if this is a HA environment) the path for the primary NameNode.

    This field was formerly named fs.defaultFS.

    Authorization Enabled

    Authorization involves restricting access to resources. If enabled, user need authorization credentials.

    Authentication Type

    The type of authorization in use, as noted in the hadoop configuration file core-site.xml; either simple or Kerberos. (Required only if authorization is enabled).

    This field was formerly named hadoop.security.authorization.

    hadoop.security.auth_to_local

    Maps the login credential to a username with Hadoop; use the value noted in the hadoop configuration file, core-site.xml.

    dfs.datanode.kerberos.principal

    The principal associated with the datanode where the service resides, as noted in the hadoop configuration file hdfs-site.xml. (Required only if Kerberos authenticaiton is enabled).

    dfs.namenode.kerberos.principal

    The principal associated with the NameNode where the service resides, as noted in the hadoop configuration file hdfs-site.xml. (Required only if Kerberos authentication is enabled).

    dfs.secondary.namenode.kerberos.principal

    The principal associated with the secondary NameNode where the service resides, as noted in the hadoop configuration file hdfs-site.xml. (Required only if Kerberos authentication is enabled).

    RPC Protection Type

    Only authorised user can view, use, and contribute to a dataset. A list of protection values for secured SASL connections. Values: Authentication, Integrity, Privacy

    Common Name For Certificate

    The name of the certificate.

    This field is interchangeably named Common Name For Certificate and Ranger Plugin SSL CName in Create Service pages.

    Add New Configurations

    Add any other new configuration(s).


  3. Click Test Connection.

    Test Connection

  4. Click Add.

    the green Add button