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<div class="subTitle">org.apache.storm.security</div>
<h2 title="Interface INimbusCredentialPlugin" class="title">Interface INimbusCredentialPlugin</h2>
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<dt>All Superinterfaces:</dt>
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<dt>All Known Implementing Classes:</dt>
<dd><a href="../../../../org/apache/storm/common/AbstractHadoopNimbusPluginAutoCreds.html" title="class in org.apache.storm.common">AbstractHadoopNimbusPluginAutoCreds</a>, <a href="../../../../org/apache/storm/hbase/security/AutoHBaseNimbus.html" title="class in org.apache.storm.hbase.security">AutoHBaseNimbus</a>, <a href="../../../../org/apache/storm/hdfs/security/AutoHDFSNimbus.html" title="class in org.apache.storm.hdfs.security">AutoHDFSNimbus</a>, <a href="../../../../org/apache/storm/hive/security/AutoHiveNimbus.html" title="class in org.apache.storm.hive.security">AutoHiveNimbus</a></dd>
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<pre>public interface <span class="typeNameLabel">INimbusCredentialPlugin</span>
extends <a href="../../../../org/apache/storm/daemon/Shutdownable.html" title="interface in org.apache.storm.daemon">Shutdownable</a></pre>
<div class="block"><p>Nimbus auto credential plugin that will be called on nimbus host during submit topology option. User can specify a list of implementation using config key nimbus.autocredential.plugins.classes.</p></div>
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<td class="colFirst"><code>default void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/security/INimbusCredentialPlugin.html#populateCredentials-java.util.Map-java.util.Map-">populateCredentials</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&gt;&nbsp;credentials,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&gt;&nbsp;topologyConf)</code>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
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<td class="colFirst"><code>default void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/security/INimbusCredentialPlugin.html#populateCredentials-java.util.Map-java.util.Map-java.lang.String-">populateCredentials</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&gt;&nbsp;credentials,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&gt;&nbsp;topoConf,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;topologyOwnerPrincipal)</code>
<div class="block">Method that will be called on nimbus as part of submit topology.</div>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/security/INimbusCredentialPlugin.html#prepare-java.util.Map-">prepare</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&gt;&nbsp;conf)</code>
<div class="block">This method will be called when nimbus initializes.</div>
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<h3>Methods inherited from interface&nbsp;org.apache.storm.daemon.<a href="../../../../org/apache/storm/daemon/Shutdownable.html" title="interface in org.apache.storm.daemon">Shutdownable</a></h3>
<code><a href="../../../../org/apache/storm/daemon/Shutdownable.html#shutdown--">shutdown</a></code></li>
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<h4>prepare</h4>
<pre>void&nbsp;prepare(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&gt;&nbsp;conf)</pre>
<div class="block"><p>This method will be called when nimbus initializes.</p></div>
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<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>conf</code> - the cluster config</dd>
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<h4>populateCredentials</h4>
<pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang">@Deprecated</a>
default&nbsp;void&nbsp;populateCredentials(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&gt;&nbsp;credentials,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&gt;&nbsp;topologyConf)</pre>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
<div class="block"><p>Method that will be called on nimbus as part of submit topology. This plugin will be called at least once during the submit Topology action. It will be not be called during activate instead the credentials return by this method will be merged with the other credentials in the topology and stored in zookeeper.</p></div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>credentials</code> - credentials map where more credentials will be added.</dd>
<dd><code>topologyConf</code> - topology configuration</dd>
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<h4>populateCredentials</h4>
<pre>default&nbsp;void&nbsp;populateCredentials(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&gt;&nbsp;credentials,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&gt;&nbsp;topoConf,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;topologyOwnerPrincipal)</pre>
<div class="block"><p>Method that will be called on nimbus as part of submit topology. This plugin will be called at least once during the submit Topology action. It will be not be called during activate instead the credentials return by this method will be merged with the other credentials in the topology and stored in zookeeper.</p></div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>credentials</code> - credentials map where more credentials will be added.</dd>
<dd><code>topoConf</code> - topology configuration</dd>
<dd><code>topologyOwnerPrincipal</code> - the full principal name of the owner of the topology</dd>
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