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Please note that all secure clusters would point to same KDC and share same krb5.conf and krb5JAASLoging.conf defined  globally in gateway-site.xml.

Description

The boolean flag, hadoop.kerberos.secured, in topology file would be consulted by multiple providers.

So, it would be appropriate that this parameter is added at topology level than within a provider.

To do that, it is proposed that we add a new XML element  <topology-params> as child element of root element <topology>.

<topology-params> could have any number of <param> elements.

For example, a topology file would look like the following:

<topology>

    <topology-params>
        <param>
            <name>hadoop.kerberos.secured</name>
            <value>true</value>
        </param>
     </topology-params>

   <gateway>

     ...

    </gateway>

...

</topology>