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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 / runtime / DelegatingLinuxContainerRuntime.html
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<div class="subTitle">org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime</div>
<h2 title="Class DelegatingLinuxContainerRuntime" class="title">Class DelegatingLinuxContainerRuntime</h2>
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<li>org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.DelegatingLinuxContainerRuntime</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">DelegatingLinuxContainerRuntime</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>
implements <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></pre>
<div class="block">This class is a <a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/runtime/ContainerRuntime.html" title="interface in org.apache.hadoop.yarn.server.nodemanager.containermanager.runtime"><code>ContainerRuntime</code></a> implementation that delegates all
operations to a <a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/runtime/DefaultLinuxContainerRuntime.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime"><code>DefaultLinuxContainerRuntime</code></a> instance, a
<a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/runtime/DockerLinuxContainerRuntime.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime"><code>DockerLinuxContainerRuntime</code></a> instance, a
<a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/runtime/JavaSandboxLinuxContainerRuntime.html" title="class in org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime"><code>JavaSandboxLinuxContainerRuntime</code></a> instance, or a custom instance
depending on whether each instance believes the operation to be within its
scope.</div>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/runtime/LinuxContainerRuntime.html#isRuntimeRequested-java.util.Map-"><code>LinuxContainerRuntime.isRuntimeRequested(java.util.Map&lt;java.lang.String, java.lang.String&gt;)</code></a></dd>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/runtime/DelegatingLinuxContainerRuntime.html#DelegatingLinuxContainerRuntime--">DelegatingLinuxContainerRuntime</a></span>()</code>&nbsp;</td>
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<caption><span id="t0" class="activeTableTab"><span>All Methods</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="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>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/DelegatingLinuxContainerRuntime.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="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/runtime/DelegatingLinuxContainerRuntime.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="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/runtime/DelegatingLinuxContainerRuntime.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>
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<tr id="i3" 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/DelegatingLinuxContainerRuntime.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="i4" 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/DelegatingLinuxContainerRuntime.html#initialize-org.apache.hadoop.conf.Configuration-org.apache.hadoop.yarn.server.nodemanager.Context-">initialize</a></span>(org.apache.hadoop.conf.Configuration&nbsp;conf,
<a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/Context.html" title="interface in org.apache.hadoop.yarn.server.nodemanager">Context</a>&nbsp;nmContext)</code>
<div class="block">Initialize the runtime.</div>
</td>
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<tr id="i5" class="rowColor">
<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/DelegatingLinuxContainerRuntime.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="i6" 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/DelegatingLinuxContainerRuntime.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="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/containermanager/linux/runtime/DelegatingLinuxContainerRuntime.html#prepareContainer-org.apache.hadoop.yarn.server.nodemanager.containermanager.runtime.ContainerRuntimeContext-">prepareContainer</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">Prepare a container to be ready for launch.</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/containermanager/linux/runtime/DelegatingLinuxContainerRuntime.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="i9" 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/DelegatingLinuxContainerRuntime.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="i10" 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/DelegatingLinuxContainerRuntime.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="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/DelegatingLinuxContainerRuntime.html#start--">start</a></span>()</code>&nbsp;</td>
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<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/DelegatingLinuxContainerRuntime.html#stop--">stop</a></span>()</code>&nbsp;</td>
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<h4>DelegatingLinuxContainerRuntime</h4>
<pre>public&nbsp;DelegatingLinuxContainerRuntime()</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;conf,
<a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/Context.html" title="interface in org.apache.hadoop.yarn.server.nodemanager">Context</a>&nbsp;nmContext)
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="paramLabel">Parameters:</span></dt>
<dd><code>conf</code> - the <code>Configuration</code> to use</dd>
<dd><code>nmContext</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>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="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/runtime/LinuxContainerRuntime.html#isRuntimeRequested-java.util.Map-">isRuntimeRequested</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="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>
</ul>
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<h4>prepareContainer</h4>
<pre>public&nbsp;void&nbsp;prepareContainer(<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#prepareContainer-org.apache.hadoop.yarn.server.nodemanager.containermanager.runtime.ContainerRuntimeContext-">ContainerRuntime</a></code></span></div>
<div class="block">Prepare a container to be ready for launch.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/runtime/ContainerRuntime.html#prepareContainer-org.apache.hadoop.yarn.server.nodemanager.containermanager.runtime.ContainerRuntimeContext-">prepareContainer</a></code>&nbsp;in interface&nbsp;<code><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></code></dd>
<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 preparing
the container</dd>
</dl>
</li>
</ul>
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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="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/runtime/ContainerRuntime.html#launchContainer-org.apache.hadoop.yarn.server.nodemanager.containermanager.runtime.ContainerRuntimeContext-">launchContainer</a></code>&nbsp;in interface&nbsp;<code><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></code></dd>
<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>
</dl>
</li>
</ul>
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<h4>relaunchContainer</h4>
<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="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/runtime/ContainerRuntime.html#relaunchContainer-org.apache.hadoop.yarn.server.nodemanager.containermanager.runtime.ContainerRuntimeContext-">relaunchContainer</a></code>&nbsp;in interface&nbsp;<code><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></code></dd>
<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>
</li>
</ul>
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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="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/runtime/ContainerRuntime.html#signalContainer-org.apache.hadoop.yarn.server.nodemanager.containermanager.runtime.ContainerRuntimeContext-">signalContainer</a></code>&nbsp;in interface&nbsp;<code><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></code></dd>
<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>
</li>
</ul>
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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="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/runtime/ContainerRuntime.html#reapContainer-org.apache.hadoop.yarn.server.nodemanager.containermanager.runtime.ContainerRuntimeContext-">reapContainer</a></code>&nbsp;in interface&nbsp;<code><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></code></dd>
<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>
</li>
</ul>
<a name="getIpAndHost-org.apache.hadoop.yarn.server.nodemanager.containermanager.container.Container-">
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<h4>getIpAndHost</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;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)
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#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="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/runtime/ContainerRuntime.html#getIpAndHost-org.apache.hadoop.yarn.server.nodemanager.containermanager.container.Container-">getIpAndHost</a></code>&nbsp;in interface&nbsp;<code><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></code></dd>
<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="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 getting the ip
and hostname</dd>
</dl>
</li>
</ul>
<a name="getExposedPorts-org.apache.hadoop.yarn.server.nodemanager.containermanager.container.Container-">
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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)
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#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="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/runtime/ContainerRuntime.html#getExposedPorts-org.apache.hadoop.yarn.server.nodemanager.containermanager.container.Container-">getExposedPorts</a></code>&nbsp;in interface&nbsp;<code><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></code></dd>
<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>
<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 getting
the exposed ports</dd>
</dl>
</li>
</ul>
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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="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/runtime/ContainerRuntime.html#execContainer-org.apache.hadoop.yarn.server.nodemanager.executor.ContainerExecContext-">execContainer</a></code>&nbsp;in interface&nbsp;<code><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></code></dd>
<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>
</dl>
</li>
</ul>
<a name="getLocalResources-org.apache.hadoop.yarn.server.nodemanager.containermanager.container.Container-">
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<h4>getLocalResources</h4>
<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="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/runtime/LinuxContainerRuntime.html#getLocalResources-org.apache.hadoop.yarn.server.nodemanager.containermanager.container.Container-">getLocalResources</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="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>
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<h4>start</h4>
<pre>public&nbsp;void&nbsp;start()</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/runtime/LinuxContainerRuntime.html#start--">start</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>
</dl>
</li>
</ul>
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<h4>stop</h4>
<pre>public&nbsp;void&nbsp;stop()</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/runtime/LinuxContainerRuntime.html#stop--">stop</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>
</dl>
</li>
</ul>
</li>
</ul>
</li>
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