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<div class="subTitle">org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime</div>
<h2 title="Class RuncContainerRuntime" class="title">Class RuncContainerRuntime</h2>
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<li><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li>
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<ul class="inheritance">
<li><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/runtime/OCIContainerRuntime.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime">org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.OCIContainerRuntime</a></li>
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<ul class="inheritance">
<li>org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.RuncContainerRuntime</li>
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<dt>All Implemented Interfaces:</dt>
<dd><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/runtime/LinuxContainerRuntime.html" title="interface in org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime">LinuxContainerRuntime</a>, <a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/runtime/ContainerRuntime.html" title="interface in org.apache.hadoop.yarn.server.nodemanager.containermanager.runtime">ContainerRuntime</a></dd>
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<pre>@InterfaceAudience.Private
@InterfaceStability.Unstable
public class <span class="typeNameLabel">RuncContainerRuntime</span>
extends <a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/runtime/OCIContainerRuntime.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime">OCIContainerRuntime</a></pre>
<div class="block"><p>This class is an extension of <a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/runtime/OCIContainerRuntime.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime"><code>OCIContainerRuntime</code></a> that uses the
native <code>container-executor</code> binary via a
<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"><code>PrivilegedOperationExecutor</code></a> instance to launch processes inside
Runc containers.</p>
<p>The following environment variables are used to configure the Runc
engine:</p>
<ul>
<li>
<code>YARN_CONTAINER_RUNTIME_TYPE</code> ultimately determines whether a
runC container will be used. If the value is <code>runc</code>, a runC
container will be used. Otherwise a regular process tree container will
be used. This environment variable is checked by the
<a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/runtime/RuncContainerRuntime.html#isRuncContainerRequested-org.apache.hadoop.conf.Configuration-java.util.Map-"><code>isRuncContainerRequested(org.apache.hadoop.conf.Configuration, java.util.Map&lt;java.lang.String, java.lang.String&gt;)</code></a> method, which is called by the
<a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/runtime/DelegatingLinuxContainerRuntime.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime"><code>DelegatingLinuxContainerRuntime</code></a>.
</li>
<li>
<code>YARN_CONTAINER_RUNTIME_RUNC_IMAGE</code> names which image
will be used to launch the Runc container.
</li>
<li>
<code>YARN_CONTAINER_RUNTIME_RUNC_MOUNTS</code> allows users to specify
additional volume mounts for the runC container. The value of the
environment variable should be a comma-separated list of mounts.
All such mounts must be given as <code>source:dest[:mode]</code> and the mode
must be "ro" (read-only) or "rw" (read-write) to specify the type of
access being requested. If neither is specified, read-write will be
assumed. The requested mounts will be validated by
container-executor based on the values set in container-executor.cfg for
<code>runc.allowed.ro-mounts</code> and <code>runc.allowed.rw-mounts</code>.
</li>
<li>
<code>YARN_CONTAINER_RUNTIME_RUNC_CONTAINER_HOSTNAME</code> sets the
hostname to be used by the Runc container. If not specified, a
hostname will be derived from the container ID and set as default
hostname for networks other than 'host'.
</li>
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</li>
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<caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Field and Description</th>
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<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/runtime/RuncContainerRuntime.html#ENV_RUNC_CONTAINER_HOSTNAME">ENV_RUNC_CONTAINER_HOSTNAME</a></span></code>&nbsp;</td>
</tr>
<tr 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/runtime/RuncContainerRuntime.html#ENV_RUNC_CONTAINER_IMAGE">ENV_RUNC_CONTAINER_IMAGE</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<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/runtime/RuncContainerRuntime.html#ENV_RUNC_CONTAINER_MOUNTS">ENV_RUNC_CONTAINER_MOUNTS</a></span></code>&nbsp;</td>
</tr>
<tr 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/runtime/RuncContainerRuntime.html#ENV_RUNC_CONTAINER_PID_NAMESPACE">ENV_RUNC_CONTAINER_PID_NAMESPACE</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<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/runtime/RuncContainerRuntime.html#ENV_RUNC_CONTAINER_RUN_PRIVILEGED_CONTAINER">ENV_RUNC_CONTAINER_RUN_PRIVILEGED_CONTAINER</a></span></code>&nbsp;</td>
</tr>
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<h3>Fields inherited from class&nbsp;org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.<a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/runtime/OCIContainerRuntime.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime">OCIContainerRuntime</a></h3>
<code><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/runtime/OCIContainerRuntime.html#CONTAINER_PID_NAMESPACE_SUFFIX">CONTAINER_PID_NAMESPACE_SUFFIX</a>, <a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/runtime/OCIContainerRuntime.html#RUN_PRIVILEGED_CONTAINER_SUFFIX">RUN_PRIVILEGED_CONTAINER_SUFFIX</a>, <a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/runtime/OCIContainerRuntime.html#RUNTIME_PREFIX">RUNTIME_PREFIX</a></code></li>
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<th class="colOne" scope="col">Constructor and Description</th>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/runtime/RuncContainerRuntime.html#RuncContainerRuntime-org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.privileged.PrivilegedOperationExecutor-">RuncContainerRuntime</a></span>(<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;privilegedOperationExecutor)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/runtime/RuncContainerRuntime.html#RuncContainerRuntime-org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.privileged.PrivilegedOperationExecutor-org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.resources.CGroupsHandler-">RuncContainerRuntime</a></span>(<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;privilegedOperationExecutor,
<a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/resources/CGroupsHandler.html" title="interface in org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.resources">CGroupsHandler</a>&nbsp;cGroupsHandler)</code>&nbsp;</td>
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<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
<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>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
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<tr id="i0" class="altColor">
<td class="colFirst"><code>protected <a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/runtime/runc/RuncImageTagToManifestPlugin.html" title="interface in org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.runc">RuncImageTagToManifestPlugin</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/runtime/RuncContainerRuntime.html#chooseImageTagToManifestPlugin--">chooseImageTagToManifestPlugin</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>protected <a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/runtime/runc/RuncManifestToResourcesPlugin.html" title="interface in org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.runc">RuncManifestToResourcesPlugin</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/runtime/RuncContainerRuntime.html#chooseManifestToResourcesPlugin--">chooseManifestToResourcesPlugin</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i2" class="altColor">
<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/runtime/RuncContainerRuntime.html#execContainer-org.apache.hadoop.yarn.server.nodemanager.executor.ContainerExecContext-">execContainer</a></span>(<a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/executor/ContainerExecContext.html" title="class in org.apache.hadoop.yarn.server.nodemanager.executor">ContainerExecContext</a>&nbsp;ctx)</code>
<div class="block">Run a program in container.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>protected <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;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/runtime/RuncContainerRuntime.html#extractImageEntrypoint-java.io.File-">extractImageEntrypoint</a></span>(<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;config)</code>&nbsp;</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>protected <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;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/runtime/RuncContainerRuntime.html#extractImageEnv-java.io.File-">extractImageEnv</a></span>(<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;config)</code>&nbsp;</td>
</tr>
<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/runtime/RuncContainerRuntime.html#getExposedPorts-org.apache.hadoop.yarn.server.nodemanager.containermanager.container.Container-">getExposedPorts</a></span>(<a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/container/Container.html" title="interface in org.apache.hadoop.yarn.server.nodemanager.containermanager.container">Container</a>&nbsp;container)</code>
<div class="block">Return the exposed ports of the container.</div>
</td>
</tr>
<tr id="i6" 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/runtime/RuncContainerRuntime.html#getIpAndHost-org.apache.hadoop.yarn.server.nodemanager.containermanager.container.Container-">getIpAndHost</a></span>(<a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/container/Container.html" title="interface in org.apache.hadoop.yarn.server.nodemanager.containermanager.container">Container</a>&nbsp;container)</code>
<div class="block">Return the host and ip of the container.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code><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>,org.apache.hadoop.yarn.api.records.LocalResource&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/runtime/RuncContainerRuntime.html#getLocalResources-org.apache.hadoop.yarn.server.nodemanager.containermanager.container.Container-">getLocalResources</a></span>(<a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/container/Container.html" title="interface in org.apache.hadoop.yarn.server.nodemanager.containermanager.container">Container</a>&nbsp;container)</code>&nbsp;</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/containermanager/linux/runtime/RuncContainerRuntime.html#initialize-org.apache.hadoop.conf.Configuration-org.apache.hadoop.yarn.server.nodemanager.Context-">initialize</a></span>(org.apache.hadoop.conf.Configuration&nbsp;configuration,
<a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/Context.html" title="interface in org.apache.hadoop.yarn.server.nodemanager">Context</a>&nbsp;nmCtx)</code>
<div class="block">Initialize the runtime.</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/runtime/RuncContainerRuntime.html#isRuncContainerRequested-org.apache.hadoop.conf.Configuration-java.util.Map-">isRuncContainerRequested</a></span>(org.apache.hadoop.conf.Configuration&nbsp;daemonConf,
<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)</code>
<div class="block">Return whether the given environment variables indicate that the operation
is requesting a Runc container.</div>
</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/runtime/RuncContainerRuntime.html#isRuntimeRequested-java.util.Map-">isRuntimeRequested</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;env)</code>
<div class="block">Return whether the given environment variables indicate that the operation
is requesting this runtime.</div>
</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/runtime/RuncContainerRuntime.html#launchContainer-org.apache.hadoop.yarn.server.nodemanager.containermanager.runtime.ContainerRuntimeContext-">launchContainer</a></span>(<a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/runtime/ContainerRuntimeContext.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.runtime">ContainerRuntimeContext</a>&nbsp;ctx)</code>
<div class="block">Launch a container.</div>
</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/runtime/RuncContainerRuntime.html#reapContainer-org.apache.hadoop.yarn.server.nodemanager.containermanager.runtime.ContainerRuntimeContext-">reapContainer</a></span>(<a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/runtime/ContainerRuntimeContext.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.runtime">ContainerRuntimeContext</a>&nbsp;ctx)</code>
<div class="block">Perform any container cleanup that may be required.</div>
</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/runtime/RuncContainerRuntime.html#relaunchContainer-org.apache.hadoop.yarn.server.nodemanager.containermanager.runtime.ContainerRuntimeContext-">relaunchContainer</a></span>(<a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/runtime/ContainerRuntimeContext.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.runtime">ContainerRuntimeContext</a>&nbsp;ctx)</code>
<div class="block">Relaunch a container.</div>
</td>
</tr>
<tr id="i14" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/runtime/RuncContainerRuntime.html#signalContainer-org.apache.hadoop.yarn.server.nodemanager.containermanager.runtime.ContainerRuntimeContext-">signalContainer</a></span>(<a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/runtime/ContainerRuntimeContext.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.runtime">ContainerRuntimeContext</a>&nbsp;ctx)</code>
<div class="block">Signal a container.</div>
</td>
</tr>
<tr id="i15" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/runtime/RuncContainerRuntime.html#start--">start</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i16" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/runtime/RuncContainerRuntime.html#stop--">stop</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i17" 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/runtime/RuncContainerRuntime.html#writeCommandToFile-org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.runc.RuncContainerExecutorConfig-org.apache.hadoop.yarn.server.nodemanager.containermanager.container.Container-">writeCommandToFile</a></span>(<a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/runtime/runc/RuncContainerExecutorConfig.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.runc">RuncContainerExecutorConfig</a>&nbsp;runcContainerExecutorConfig,
<a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/container/Container.html" title="interface in org.apache.hadoop.yarn.server.nodemanager.containermanager.container">Container</a>&nbsp;container)</code>&nbsp;</td>
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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>@InterfaceAudience.Private
public static final&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> ENV_RUNC_CONTAINER_IMAGE</pre>
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<dd><a href="../../../../../../../../../constant-values.html#org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.RuncContainerRuntime.ENV_RUNC_CONTAINER_IMAGE">Constant Field Values</a></dd>
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<pre>@InterfaceAudience.Private
public static final&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> ENV_RUNC_CONTAINER_MOUNTS</pre>
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<dd><a href="../../../../../../../../../constant-values.html#org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.RuncContainerRuntime.ENV_RUNC_CONTAINER_MOUNTS">Constant Field Values</a></dd>
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<pre>@InterfaceAudience.Private
public static final&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> ENV_RUNC_CONTAINER_HOSTNAME</pre>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../../../../../../constant-values.html#org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.RuncContainerRuntime.ENV_RUNC_CONTAINER_HOSTNAME">Constant Field Values</a></dd>
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<pre>@InterfaceAudience.Private
public static final&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> ENV_RUNC_CONTAINER_PID_NAMESPACE</pre>
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<pre>@InterfaceAudience.Private
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<pre>public&nbsp;RuncContainerRuntime(<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;privilegedOperationExecutor)</pre>
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<pre>public&nbsp;RuncContainerRuntime(<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;privilegedOperationExecutor,
<a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/resources/CGroupsHandler.html" title="interface in org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.resources">CGroupsHandler</a>&nbsp;cGroupsHandler)</pre>
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<a name="initialize-org.apache.hadoop.conf.Configuration-org.apache.hadoop.yarn.server.nodemanager.Context-">
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<h4>initialize</h4>
<pre>public&nbsp;void&nbsp;initialize(org.apache.hadoop.conf.Configuration&nbsp;configuration,
<a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/Context.html" title="interface in org.apache.hadoop.yarn.server.nodemanager">Context</a>&nbsp;nmCtx)
throws <a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/runtime/ContainerExecutionException.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.runtime">ContainerExecutionException</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/runtime/LinuxContainerRuntime.html#initialize-org.apache.hadoop.conf.Configuration-org.apache.hadoop.yarn.server.nodemanager.Context-">LinuxContainerRuntime</a></code></span></div>
<div class="block">Initialize the runtime.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/runtime/LinuxContainerRuntime.html#initialize-org.apache.hadoop.conf.Configuration-org.apache.hadoop.yarn.server.nodemanager.Context-">initialize</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/runtime/LinuxContainerRuntime.html" title="interface in org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime">LinuxContainerRuntime</a></code></dd>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/runtime/OCIContainerRuntime.html#initialize-org.apache.hadoop.conf.Configuration-org.apache.hadoop.yarn.server.nodemanager.Context-">initialize</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/runtime/OCIContainerRuntime.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime">OCIContainerRuntime</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>configuration</code> - the <code>Configuration</code> to use</dd>
<dd><code>nmCtx</code> - NMContext</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/runtime/ContainerExecutionException.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.runtime">ContainerExecutionException</a></code> - if an error occurs while initializing
the runtime</dd>
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<h4>start</h4>
<pre>public&nbsp;void&nbsp;start()</pre>
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<h4>stop</h4>
<pre>public&nbsp;void&nbsp;stop()</pre>
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<h4>launchContainer</h4>
<pre>public&nbsp;void&nbsp;launchContainer(<a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/runtime/ContainerRuntimeContext.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.runtime">ContainerRuntimeContext</a>&nbsp;ctx)
throws <a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/runtime/ContainerExecutionException.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.runtime">ContainerExecutionException</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/runtime/ContainerRuntime.html#launchContainer-org.apache.hadoop.yarn.server.nodemanager.containermanager.runtime.ContainerRuntimeContext-">ContainerRuntime</a></code></span></div>
<div class="block">Launch a container.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>ctx</code> - the <a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/runtime/ContainerRuntimeContext.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.runtime"><code>ContainerRuntimeContext</code></a></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/runtime/ContainerExecutionException.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.runtime">ContainerExecutionException</a></code> - if an error occurs while launching
the container</dd>
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<pre>public&nbsp;<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>,org.apache.hadoop.yarn.api.records.LocalResource&gt;&nbsp;getLocalResources(<a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/container/Container.html" title="interface in org.apache.hadoop.yarn.server.nodemanager.containermanager.container">Container</a>&nbsp;container)
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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<pre>protected&nbsp;<a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/runtime/runc/RuncImageTagToManifestPlugin.html" title="interface in org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.runc">RuncImageTagToManifestPlugin</a>&nbsp;chooseImageTagToManifestPlugin()
throws <a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/runtime/ContainerExecutionException.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.runtime">ContainerExecutionException</a></pre>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/runtime/ContainerExecutionException.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.runtime">ContainerExecutionException</a></code></dd>
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<pre>protected&nbsp;<a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/runtime/runc/RuncManifestToResourcesPlugin.html" title="interface in org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.runc">RuncManifestToResourcesPlugin</a>&nbsp;chooseManifestToResourcesPlugin()
throws <a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/runtime/ContainerExecutionException.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.runtime">ContainerExecutionException</a></pre>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/runtime/ContainerExecutionException.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.runtime">ContainerExecutionException</a></code></dd>
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<h4>extractImageEnv</h4>
<pre>protected&nbsp;<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;extractImageEnv(<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;config)
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>
</dl>
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<h4>extractImageEntrypoint</h4>
<pre>protected&nbsp;<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;extractImageEntrypoint(<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;config)
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>
</dl>
</li>
</ul>
<a name="writeCommandToFile-org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.runc.RuncContainerExecutorConfig-org.apache.hadoop.yarn.server.nodemanager.containermanager.container.Container-">
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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;writeCommandToFile(<a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/runtime/runc/RuncContainerExecutorConfig.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.runc">RuncContainerExecutorConfig</a>&nbsp;runcContainerExecutorConfig,
<a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/container/Container.html" title="interface in org.apache.hadoop.yarn.server.nodemanager.containermanager.container">Container</a>&nbsp;container)
throws <a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/runtime/ContainerExecutionException.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.runtime">ContainerExecutionException</a></pre>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/runtime/ContainerExecutionException.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.runtime">ContainerExecutionException</a></code></dd>
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<h4>getExposedPorts</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;getExposedPorts(<a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/container/Container.html" title="interface in org.apache.hadoop.yarn.server.nodemanager.containermanager.container">Container</a>&nbsp;container)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/runtime/ContainerRuntime.html#getExposedPorts-org.apache.hadoop.yarn.server.nodemanager.containermanager.container.Container-">ContainerRuntime</a></code></span></div>
<div class="block">Return the exposed ports of the container.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>container</code> - the <a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/container/Container.html" title="interface in org.apache.hadoop.yarn.server.nodemanager.containermanager.container"><code>Container</code></a></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>List of exposed ports</dd>
</dl>
</li>
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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;getIpAndHost(<a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/container/Container.html" title="interface in org.apache.hadoop.yarn.server.nodemanager.containermanager.container">Container</a>&nbsp;container)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/runtime/ContainerRuntime.html#getIpAndHost-org.apache.hadoop.yarn.server.nodemanager.containermanager.container.Container-">ContainerRuntime</a></code></span></div>
<div class="block">Return the host and ip of the container.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>container</code> - the <a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/container/Container.html" title="interface in org.apache.hadoop.yarn.server.nodemanager.containermanager.container"><code>Container</code></a></dd>
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<h4>execContainer</h4>
<pre>public&nbsp;org.apache.hadoop.hdfs.protocol.datatransfer.IOStreamPair&nbsp;execContainer(<a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/executor/ContainerExecContext.html" title="class in org.apache.hadoop.yarn.server.nodemanager.executor">ContainerExecContext</a>&nbsp;ctx)
throws <a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/runtime/ContainerExecutionException.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.runtime">ContainerExecutionException</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/runtime/ContainerRuntime.html#execContainer-org.apache.hadoop.yarn.server.nodemanager.executor.ContainerExecContext-">ContainerRuntime</a></code></span></div>
<div class="block">Run a program in container.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>ctx</code> - the <a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/executor/ContainerExecContext.html" title="class in org.apache.hadoop.yarn.server.nodemanager.executor"><code>ContainerExecContext</code></a></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/runtime/ContainerExecutionException.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.runtime">ContainerExecutionException</a></code></dd>
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<pre>public&nbsp;void&nbsp;reapContainer(<a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/runtime/ContainerRuntimeContext.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.runtime">ContainerRuntimeContext</a>&nbsp;ctx)
throws <a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/runtime/ContainerExecutionException.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.runtime">ContainerExecutionException</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/runtime/ContainerRuntime.html#reapContainer-org.apache.hadoop.yarn.server.nodemanager.containermanager.runtime.ContainerRuntimeContext-">ContainerRuntime</a></code></span></div>
<div class="block">Perform any container cleanup that may be required.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>ctx</code> - the <a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/runtime/ContainerRuntimeContext.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.runtime"><code>ContainerRuntimeContext</code></a></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/runtime/ContainerExecutionException.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.runtime">ContainerExecutionException</a></code> - if an error occurs while reaping
the container</dd>
</dl>
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<pre>public&nbsp;void&nbsp;relaunchContainer(<a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/runtime/ContainerRuntimeContext.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.runtime">ContainerRuntimeContext</a>&nbsp;ctx)
throws <a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/runtime/ContainerExecutionException.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.runtime">ContainerExecutionException</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/runtime/ContainerRuntime.html#relaunchContainer-org.apache.hadoop.yarn.server.nodemanager.containermanager.runtime.ContainerRuntimeContext-">ContainerRuntime</a></code></span></div>
<div class="block">Relaunch a container.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>ctx</code> - the <a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/runtime/ContainerRuntimeContext.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.runtime"><code>ContainerRuntimeContext</code></a></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/runtime/ContainerExecutionException.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.runtime">ContainerExecutionException</a></code> - if an error occurs while relaunching
the container</dd>
</dl>
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<h4>isRuncContainerRequested</h4>
<pre>public static&nbsp;boolean&nbsp;isRuncContainerRequested(org.apache.hadoop.conf.Configuration&nbsp;daemonConf,
<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)</pre>
<div class="block">Return whether the given environment variables indicate that the operation
is requesting a Runc container. If the environment contains a key
called <code>YARN_CONTAINER_RUNTIME_TYPE</code> whose value is <code>runc</code>,
this method will return true. Otherwise it will return false.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>daemonConf</code> - the NodeManager daemon configuration</dd>
<dd><code>env</code> - the environment variable settings for the operation</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>whether a Runc container is requested</dd>
</dl>
</li>
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<h4>isRuntimeRequested</h4>
<pre>public&nbsp;boolean&nbsp;isRuntimeRequested(<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)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/runtime/LinuxContainerRuntime.html#isRuntimeRequested-java.util.Map-">LinuxContainerRuntime</a></code></span></div>
<div class="block">Return whether the given environment variables indicate that the operation
is requesting this runtime.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>env</code> - the environment variable settings for the operation</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>whether this runtime is requested</dd>
</dl>
</li>
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<h4>signalContainer</h4>
<pre>public&nbsp;void&nbsp;signalContainer(<a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/runtime/ContainerRuntimeContext.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.runtime">ContainerRuntimeContext</a>&nbsp;ctx)
throws <a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/runtime/ContainerExecutionException.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.runtime">ContainerExecutionException</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/runtime/ContainerRuntime.html#signalContainer-org.apache.hadoop.yarn.server.nodemanager.containermanager.runtime.ContainerRuntimeContext-">ContainerRuntime</a></code></span></div>
<div class="block">Signal a container. Signals may be a request to terminate, a status check,
etc.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>ctx</code> - the <a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/runtime/ContainerRuntimeContext.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.runtime"><code>ContainerRuntimeContext</code></a></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/runtime/ContainerExecutionException.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.runtime">ContainerExecutionException</a></code> - if an error occurs while signaling
the container</dd>
</dl>
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