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| <div class="subTitle">org.apache.hadoop.yarn.server.nodemanager.containermanager.volume.csi</div> |
| <h2 title="Class ContainerVolumePublisher" class="title">Class ContainerVolumePublisher</h2> |
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| <li>org.apache.hadoop.yarn.server.nodemanager.containermanager.volume.csi.ContainerVolumePublisher</li> |
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| <pre>public class <span class="typeNameLabel">ContainerVolumePublisher</span> |
| extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre> |
| <div class="block">Publish/un-publish CSI volumes on node manager.</div> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/volume/csi/ContainerVolumePublisher.html#ContainerVolumePublisher-org.apache.hadoop.yarn.server.nodemanager.containermanager.container.Container-java.lang.String-org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.OCIContainerRuntime-">ContainerVolumePublisher</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> container, |
| <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> localMountRoot, |
| <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> runtime)</code> </td> |
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| <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><<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>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/volume/csi/ContainerVolumePublisher.html#publishVolumes--">publishVolumes</a></span>()</code> |
| <div class="block">It first discovers the volume info from container resource; |
| then negotiates with CSI driver adaptor to publish the volume on this |
| node manager, on a specific directory under container's work dir; |
| and then map the local mounted directory to volume target mount in |
| the docker container.</div> |
| </td> |
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| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../../org/apache/hadoop/yarn/server/nodemanager/containermanager/volume/csi/ContainerVolumePublisher.html#unpublishVolumes--">unpublishVolumes</a></span>()</code> </td> |
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| <h4>ContainerVolumePublisher</h4> |
| <pre>public ContainerVolumePublisher(<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> container, |
| <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> localMountRoot, |
| <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> runtime)</pre> |
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| <a name="publishVolumes--"> |
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| <h4>publishVolumes</h4> |
| <pre>public <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><<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>> publishVolumes() |
| throws org.apache.hadoop.yarn.exceptions.YarnException, |
| <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> |
| <div class="block">It first discovers the volume info from container resource; |
| then negotiates with CSI driver adaptor to publish the volume on this |
| node manager, on a specific directory under container's work dir; |
| and then map the local mounted directory to volume target mount in |
| the docker container. |
| |
| CSI volume publish is a two phase work, by reaching up here |
| we can assume the 1st phase is done on the RM side, which means |
| YARN is already called the controller service of csi-driver |
| to publish the volume; here we only need to call the node service of |
| csi-driver to publish the volume on this local node manager.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a map where each key is the local mounted path on current node, |
| and value is the remote mount path on the container.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.hadoop.yarn.exceptions.YarnException</code></dd> |
| <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="unpublishVolumes--"> |
| <!-- --> |
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| <h4>unpublishVolumes</h4> |
| <pre>public void unpublishVolumes() |
| throws org.apache.hadoop.yarn.exceptions.YarnException, |
| <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> |
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| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.hadoop.yarn.exceptions.YarnException</code></dd> |
| <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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