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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 / containermanager / linux / privileged / PrivilegedOperationExecutor.html
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<div class="subTitle">org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.privileged</div>
<h2 title="Class PrivilegedOperationExecutor" class="title">Class PrivilegedOperationExecutor</h2>
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<li>org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.privileged.PrivilegedOperationExecutor</li>
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<pre>@InterfaceAudience.Private
@InterfaceStability.Unstable
public class <span class="typeNameLabel">PrivilegedOperationExecutor</span>
extends <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></pre>
<div class="block">provides mechanisms to execute PrivilegedContainerOperations *</div>
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
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<th class="colLast" scope="col">Method and Description</th>
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<td class="colFirst"><code>org.apache.hadoop.hdfs.protocol.datatransfer.IOStreamPair</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/privileged/PrivilegedOperationExecutor.html#executePrivilegedInteractiveOperation-java.util.List-org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.privileged.PrivilegedOperation-">executePrivilegedInteractiveOperation</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</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>&gt;&nbsp;prefixCommands,
<a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/privileged/PrivilegedOperation.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.privileged">PrivilegedOperation</a>&nbsp;operation)</code>&nbsp;</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code><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></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/privileged/PrivilegedOperationExecutor.html#executePrivilegedOperation-java.util.List-org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.privileged.PrivilegedOperation-java.io.File-java.util.Map-boolean-boolean-">executePrivilegedOperation</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</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>&gt;&nbsp;prefixCommands,
<a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/privileged/PrivilegedOperation.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.privileged">PrivilegedOperation</a>&nbsp;operation,
<a href="https://docs.oracle.com/javase/8/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;workingDir,
<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;env,
boolean&nbsp;grabOutput,
boolean&nbsp;inheritParentEnv)</code>
<div class="block">Executes a privileged operation.</div>
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<tr id="i2" class="altColor">
<td class="colFirst"><code><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></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/privileged/PrivilegedOperationExecutor.html#executePrivilegedOperation-org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.privileged.PrivilegedOperation-boolean-">executePrivilegedOperation</a></span>(<a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/privileged/PrivilegedOperation.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.privileged">PrivilegedOperation</a>&nbsp;operation,
boolean&nbsp;grabOutput)</code>
<div class="block">Executes a privileged operation.</div>
</td>
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<tr id="i3" class="rowColor">
<td class="colFirst"><code>static <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></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/privileged/PrivilegedOperationExecutor.html#getContainerExecutorExecutablePath-org.apache.hadoop.conf.Configuration-">getContainerExecutorExecutablePath</a></span>(org.apache.hadoop.conf.Configuration&nbsp;conf)</code>&nbsp;</td>
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<tr id="i4" class="altColor">
<td class="colFirst"><code>static <a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/privileged/PrivilegedOperationExecutor.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.privileged">PrivilegedOperationExecutor</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/privileged/PrivilegedOperationExecutor.html#getInstance-org.apache.hadoop.conf.Configuration-">getInstance</a></span>(org.apache.hadoop.conf.Configuration&nbsp;conf)</code>&nbsp;</td>
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<tr id="i5" class="rowColor">
<td class="colFirst"><code><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>[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/privileged/PrivilegedOperationExecutor.html#getPrivilegedOperationExecutionCommand-java.util.List-org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.privileged.PrivilegedOperation-">getPrivilegedOperationExecutionCommand</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</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>&gt;&nbsp;prefixCommands,
<a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/privileged/PrivilegedOperation.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.privileged">PrivilegedOperation</a>&nbsp;operation)</code>&nbsp;</td>
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<tr id="i6" class="altColor">
<td class="colFirst"><code>static <a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/privileged/PrivilegedOperation.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.privileged">PrivilegedOperation</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/privileged/PrivilegedOperationExecutor.html#squashCGroupOperations-java.util.List-">squashCGroupOperations</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/privileged/PrivilegedOperation.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.privileged">PrivilegedOperation</a>&gt;&nbsp;ops)</code>
<div class="block">Squash operations for cgroups - e.g mount, add pid to cgroup etc .,
For now, we only implement squashing for 'add pid to cgroup' since this
is the only optimization relevant to launching containers</div>
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<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li>
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<pre>public static&nbsp;<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;getContainerExecutorExecutablePath(org.apache.hadoop.conf.Configuration&nbsp;conf)</pre>
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<pre>public static&nbsp;<a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/privileged/PrivilegedOperationExecutor.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.privileged">PrivilegedOperationExecutor</a>&nbsp;getInstance(org.apache.hadoop.conf.Configuration&nbsp;conf)</pre>
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<h4>getPrivilegedOperationExecutionCommand</h4>
<pre>public&nbsp;<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;getPrivilegedOperationExecutionCommand(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</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>&gt;&nbsp;prefixCommands,
<a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/privileged/PrivilegedOperation.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.privileged">PrivilegedOperation</a>&nbsp;operation)</pre>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>prefixCommands</code> - in some cases ( e.g priorities using nice ),
prefix commands are necessary</dd>
<dd><code>operation</code> - the type and arguments for the operation to be
executed</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>execution string array for priviledged operation</dd>
</dl>
</li>
</ul>
<a name="executePrivilegedOperation-java.util.List-org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.privileged.PrivilegedOperation-java.io.File-java.util.Map-boolean-boolean-">
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<h4>executePrivilegedOperation</h4>
<pre>public&nbsp;<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;executePrivilegedOperation(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</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>&gt;&nbsp;prefixCommands,
<a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/privileged/PrivilegedOperation.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.privileged">PrivilegedOperation</a>&nbsp;operation,
<a href="https://docs.oracle.com/javase/8/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;workingDir,
<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;env,
boolean&nbsp;grabOutput,
boolean&nbsp;inheritParentEnv)
throws <a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/privileged/PrivilegedOperationException.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.privileged">PrivilegedOperationException</a></pre>
<div class="block">Executes a privileged operation. It is up to the callers to ensure that
each privileged operation's parameters are constructed correctly. The
parameters are passed verbatim to the container-executor binary.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>prefixCommands</code> - in some cases ( e.g priorities using nice ),
prefix commands are necessary</dd>
<dd><code>operation</code> - the type and arguments for the operation to be executed</dd>
<dd><code>workingDir</code> - (optional) working directory for execution</dd>
<dd><code>env</code> - (optional) env of the command will include specified vars</dd>
<dd><code>grabOutput</code> - return (possibly large) shell command output</dd>
<dd><code>inheritParentEnv</code> - inherit the env vars from the parent process</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>stdout contents from shell executor - useful for some privileged
operations - e.g --tc_read</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/privileged/PrivilegedOperationException.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.privileged">PrivilegedOperationException</a></code></dd>
</dl>
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<pre>public&nbsp;<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;executePrivilegedOperation(<a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/privileged/PrivilegedOperation.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.privileged">PrivilegedOperation</a>&nbsp;operation,
boolean&nbsp;grabOutput)
throws <a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/privileged/PrivilegedOperationException.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.privileged">PrivilegedOperationException</a></pre>
<div class="block">Executes a privileged operation. It is up to the callers to ensure that
each privileged operation's parameters are constructed correctly. The
parameters are passed verbatim to the container-executor binary.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>operation</code> - the type and arguments for the operation to be executed</dd>
<dd><code>grabOutput</code> - return (possibly large) shell command output</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>stdout contents from shell executor - useful for some privileged
operations - e.g --tc_read</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/privileged/PrivilegedOperationException.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.privileged">PrivilegedOperationException</a></code></dd>
</dl>
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<h4>executePrivilegedInteractiveOperation</h4>
<pre>public&nbsp;org.apache.hadoop.hdfs.protocol.datatransfer.IOStreamPair&nbsp;executePrivilegedInteractiveOperation(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</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>&gt;&nbsp;prefixCommands,
<a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/privileged/PrivilegedOperation.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.privileged">PrivilegedOperation</a>&nbsp;operation)
throws <a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/privileged/PrivilegedOperationException.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.privileged">PrivilegedOperationException</a>,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></pre>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>prefixCommands</code> - </dd>
<dd><code>operation</code> - </dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>stdin and stdout of container exec</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/privileged/PrivilegedOperationException.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.privileged">PrivilegedOperationException</a></code></dd>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></code></dd>
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<h4>squashCGroupOperations</h4>
<pre>public static&nbsp;<a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/privileged/PrivilegedOperation.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.privileged">PrivilegedOperation</a>&nbsp;squashCGroupOperations(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/privileged/PrivilegedOperation.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.privileged">PrivilegedOperation</a>&gt;&nbsp;ops)
throws <a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/privileged/PrivilegedOperationException.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.privileged">PrivilegedOperationException</a></pre>
<div class="block">Squash operations for cgroups - e.g mount, add pid to cgroup etc .,
For now, we only implement squashing for 'add pid to cgroup' since this
is the only optimization relevant to launching containers</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>single squashed cgroup operation. Null on failure.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/privileged/PrivilegedOperationException.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.privileged">PrivilegedOperationException</a></code></dd>
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