ambari-server/src/main/resources/common-services/KNOX/0.5.0.2.2/configuration/admin-topology.xml

<?xml version="1.0"?>
<?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
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<configuration supports_final="false" supports_adding_forbidden="true">
  <!-- topology file -->
  <property>
    <name>content</name>
    <display-name>admin-topology template</display-name>
    <value>
    &lt;topology&gt;

        &lt;gateway&gt;

             &lt;provider&gt;
                &lt;role&gt;authentication&lt;/role&gt;
                &lt;name&gt;ShiroProvider&lt;/name&gt;
                &lt;enabled&gt;true&lt;/enabled&gt;
                &lt;param&gt;
                    &lt;name&gt;sessionTimeout&lt;/name&gt;
                    &lt;value&gt;30&lt;/value&gt;
                &lt;/param&gt;
                &lt;param&gt;
                    &lt;name&gt;main.ldapRealm&lt;/name&gt;
                    &lt;value&gt;org.apache.hadoop.gateway.shirorealm.KnoxLdapRealm&lt;/value&gt;
                &lt;/param&gt;
                &lt;param&gt;
                    &lt;name&gt;main.ldapRealm.userDnTemplate&lt;/name&gt;
                    &lt;value&gt;uid={0},ou=people,dc=hadoop,dc=apache,dc=org&lt;/value&gt;
                &lt;/param&gt;
                &lt;param&gt;
                    &lt;name&gt;main.ldapRealm.contextFactory.url&lt;/name&gt;
                    &lt;value&gt;ldap://{{knox_host_name}}:33389&lt;/value&gt;
                &lt;/param&gt;
                &lt;param&gt;
                    &lt;name&gt;main.ldapRealm.contextFactory.authenticationMechanism&lt;/name&gt;
                    &lt;value&gt;simple&lt;/value&gt;
                &lt;/param&gt;
                &lt;param&gt;
                    &lt;name&gt;urls./**&lt;/name&gt;
                    &lt;value&gt;authcBasic&lt;/value&gt;
                &lt;/param&gt;
            &lt;/provider&gt;

            &lt;provider&gt;
                &lt;role&gt;authorization&lt;/role&gt;
                &lt;name&gt;AclsAuthz&lt;/name&gt;
                &lt;enabled&gt;true&lt;/enabled&gt;
                &lt;param&gt;
                    &lt;name&gt;knox.acl&lt;/name&gt;
                    &lt;value&gt;admin;*;*&lt;/value&gt;
                &lt;/param&gt;
            &lt;/provider&gt;

            &lt;provider&gt;
                &lt;role&gt;identity-assertion&lt;/role&gt;
                &lt;name&gt;Default&lt;/name&gt;
                &lt;enabled&gt;true&lt;/enabled&gt;
            &lt;/provider&gt;

        &lt;/gateway&gt;

        &lt;service&gt;
            &lt;role&gt;KNOX&lt;/role&gt;
        &lt;/service&gt;

    &lt;/topology&gt;

    </value>
    <description>
        The configuration specifies the Knox admin API configuration and access details. The authentication provider should be configured to match your deployment details.
    </description>
    <value-attributes>
      <type>content</type>
      <empty-value-valid>true</empty-value-valid>
      <show-property-name>false</show-property-name>
    </value-attributes>
    <on-ambari-upgrade add="true"/>
  </property>
</configuration>