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apache / hadoop-site / 952d547359cafef280f0a0324055741b2ed55be1 / . / content / docs / r3.3.1 / hadoop-yarn / hadoop-yarn-server / hadoop-yarn-server-nodemanager / apidocs / org / apache / hadoop / yarn / server / nodemanager / security / NMTokenSecretManagerInNM.html
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<div class="subTitle">org.apache.hadoop.yarn.server.nodemanager.security</div>
<h2 title="Class NMTokenSecretManagerInNM" class="title">Class NMTokenSecretManagerInNM</h2>
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<li>org.apache.hadoop.security.token.SecretManager&lt;org.apache.hadoop.yarn.security.NMTokenIdentifier&gt;</li>
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<li>org.apache.hadoop.yarn.server.security.BaseNMTokenSecretManager</li>
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<li>org.apache.hadoop.yarn.server.nodemanager.security.NMTokenSecretManagerInNM</li>
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<pre>public class <span class="typeNameLabel">NMTokenSecretManagerInNM</span>
extends org.apache.hadoop.yarn.server.security.BaseNMTokenSecretManager</pre>
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<h3>Nested classes/interfaces inherited from class&nbsp;org.apache.hadoop.security.token.SecretManager</h3>
<code>org.apache.hadoop.security.token.SecretManager.InvalidToken</code></li>
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<h3>Fields inherited from class&nbsp;org.apache.hadoop.yarn.server.security.BaseNMTokenSecretManager</h3>
<code>currentMasterKey, readLock, readWriteLock, serialNo, writeLock</code></li>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/nodemanager/security/NMTokenSecretManagerInNM.html#NMTokenSecretManagerInNM--">NMTokenSecretManagerInNM</a></span>()</code>&nbsp;</td>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/nodemanager/security/NMTokenSecretManagerInNM.html#NMTokenSecretManagerInNM-org.apache.hadoop.yarn.server.nodemanager.recovery.NMStateStoreService-">NMTokenSecretManagerInNM</a></span>(<a href="../../../../../../../org/apache/hadoop/yarn/server/nodemanager/recovery/NMStateStoreService.html" title="class in org.apache.hadoop.yarn.server.nodemanager.recovery">NMStateStoreService</a>&nbsp;stateStore)</code>&nbsp;</td>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/nodemanager/security/NMTokenSecretManagerInNM.html#appAttemptStartContainer-org.apache.hadoop.yarn.security.NMTokenIdentifier-">appAttemptStartContainer</a></span>(org.apache.hadoop.yarn.security.NMTokenIdentifier&nbsp;identifier)</code>
<div class="block">This will be called by startContainer.</div>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/nodemanager/security/NMTokenSecretManagerInNM.html#appFinished-org.apache.hadoop.yarn.api.records.ApplicationId-">appFinished</a></span>(org.apache.hadoop.yarn.api.records.ApplicationId&nbsp;appId)</code>&nbsp;</td>
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<tr id="i2" class="altColor">
<td class="colFirst"><code>org.apache.hadoop.yarn.api.records.NMToken</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/nodemanager/security/NMTokenSecretManagerInNM.html#generateNMToken-java.lang.String-org.apache.hadoop.yarn.api.records.Container-">generateNMToken</a></span>(<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;applicationSubmitter,
org.apache.hadoop.yarn.api.records.Container&nbsp;container)</code>
<div class="block">Used by the Distributed Scheduler framework to generate NMTokens</div>
</td>
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<tr id="i3" class="rowColor">
<td class="colFirst"><code>org.apache.hadoop.yarn.api.records.NodeId</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/nodemanager/security/NMTokenSecretManagerInNM.html#getNodeId--">getNodeId</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/nodemanager/security/NMTokenSecretManagerInNM.html#isAppAttemptNMTokenKeyPresent-org.apache.hadoop.yarn.api.records.ApplicationAttemptId-">isAppAttemptNMTokenKeyPresent</a></span>(org.apache.hadoop.yarn.api.records.ApplicationAttemptId&nbsp;appAttemptId)</code>&nbsp;</td>
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<tr id="i5" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/nodemanager/security/NMTokenSecretManagerInNM.html#recover--">recover</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code>byte[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/nodemanager/security/NMTokenSecretManagerInNM.html#retrievePassword-org.apache.hadoop.yarn.security.NMTokenIdentifier-">retrievePassword</a></span>(org.apache.hadoop.yarn.security.NMTokenIdentifier&nbsp;identifier)</code>
<div class="block">This method will be used to verify NMTokens generated by different master
keys.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/nodemanager/security/NMTokenSecretManagerInNM.html#setMasterKey-org.apache.hadoop.yarn.server.api.records.MasterKey-">setMasterKey</a></span>(org.apache.hadoop.yarn.server.api.records.MasterKey&nbsp;masterKey)</code>
<div class="block">Used by NodeManagers to create a token-secret-manager with the key
obtained from the RM.</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/hadoop/yarn/server/nodemanager/security/NMTokenSecretManagerInNM.html#setNodeId-org.apache.hadoop.yarn.api.records.NodeId-">setNodeId</a></span>(org.apache.hadoop.yarn.api.records.NodeId&nbsp;nodeId)</code>&nbsp;</td>
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<h3>Methods inherited from class&nbsp;org.apache.hadoop.yarn.server.security.BaseNMTokenSecretManager</h3>
<code>createIdentifier, createNewMasterKey, createNMToken, createPassword, getCurrentKey, newInstance, retrivePasswordInternal</code></li>
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<h3>Methods inherited from class&nbsp;org.apache.hadoop.security.token.SecretManager</h3>
<code>checkAvailableForRead, createPassword, createSecretKey, generateSecret, retriableRetrievePassword</code></li>
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<h4>NMTokenSecretManagerInNM</h4>
<pre>public&nbsp;NMTokenSecretManagerInNM()</pre>
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<pre>public&nbsp;NMTokenSecretManagerInNM(<a href="../../../../../../../org/apache/hadoop/yarn/server/nodemanager/recovery/NMStateStoreService.html" title="class in org.apache.hadoop.yarn.server.nodemanager.recovery">NMStateStoreService</a>&nbsp;stateStore)</pre>
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<h4>recover</h4>
<pre>public&nbsp;void&nbsp;recover()
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
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<h4>setMasterKey</h4>
<pre>@InterfaceAudience.Private
public&nbsp;void&nbsp;setMasterKey(org.apache.hadoop.yarn.server.api.records.MasterKey&nbsp;masterKey)</pre>
<div class="block">Used by NodeManagers to create a token-secret-manager with the key
obtained from the RM. This can happen during registration or when the RM
rolls the master-key and signal the NM.</div>
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<h4>retrievePassword</h4>
<pre>public&nbsp;byte[]&nbsp;retrievePassword(org.apache.hadoop.yarn.security.NMTokenIdentifier&nbsp;identifier)
throws org.apache.hadoop.security.token.SecretManager.InvalidToken</pre>
<div class="block">This method will be used to verify NMTokens generated by different master
keys.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code>retrievePassword</code>&nbsp;in class&nbsp;<code>org.apache.hadoop.yarn.server.security.BaseNMTokenSecretManager</code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>org.apache.hadoop.security.token.SecretManager.InvalidToken</code></dd>
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<h4>appFinished</h4>
<pre>public&nbsp;void&nbsp;appFinished(org.apache.hadoop.yarn.api.records.ApplicationId&nbsp;appId)</pre>
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<h4>appAttemptStartContainer</h4>
<pre>public&nbsp;void&nbsp;appAttemptStartContainer(org.apache.hadoop.yarn.security.NMTokenIdentifier&nbsp;identifier)
throws org.apache.hadoop.security.token.SecretManager.InvalidToken</pre>
<div class="block">This will be called by startContainer. It will add the master key into
the cache used for starting this container. This should be called before
validating the startContainer request.</div>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>org.apache.hadoop.security.token.SecretManager.InvalidToken</code></dd>
</dl>
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<h4>setNodeId</h4>
<pre>public&nbsp;void&nbsp;setNodeId(org.apache.hadoop.yarn.api.records.NodeId&nbsp;nodeId)</pre>
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<h4>isAppAttemptNMTokenKeyPresent</h4>
<pre>@InterfaceAudience.Private
public&nbsp;boolean&nbsp;isAppAttemptNMTokenKeyPresent(org.apache.hadoop.yarn.api.records.ApplicationAttemptId&nbsp;appAttemptId)</pre>
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<h4>getNodeId</h4>
<pre>@InterfaceAudience.Private
public&nbsp;org.apache.hadoop.yarn.api.records.NodeId&nbsp;getNodeId()</pre>
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<h4>generateNMToken</h4>
<pre>public&nbsp;org.apache.hadoop.yarn.api.records.NMToken&nbsp;generateNMToken(<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;applicationSubmitter,
org.apache.hadoop.yarn.api.records.Container&nbsp;container)</pre>
<div class="block">Used by the Distributed Scheduler framework to generate NMTokens</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>applicationSubmitter</code> - </dd>
<dd><code>container</code> - </dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>NMToken</dd>
</dl>
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