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YARN-5025. Added and updated container management protocols for conta…
…iner relocation
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63 changes: 63 additions & 0 deletions
63
...ain/java/org/apache/hadoop/yarn/api/protocolrecords/GetContainerLaunchContextRequest.java
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| @@ -0,0 +1,63 @@ | ||
| /** | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you under the Apache License, Version 2.0 (the | ||
| * "License"); you may not use this file except in compliance | ||
| * with the License. You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
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| package org.apache.hadoop.yarn.api.protocolrecords; | ||
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| import org.apache.hadoop.classification.InterfaceAudience.Public; | ||
| import org.apache.hadoop.classification.InterfaceStability.Stable; | ||
| import org.apache.hadoop.yarn.api.records.ContainerId; | ||
| import org.apache.hadoop.yarn.api.ContainerManagementProtocol; | ||
| import org.apache.hadoop.yarn.util.Records; | ||
|
|
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| /** | ||
| * <p>The request sent by one <code>NodeManager</code> to another | ||
| * <code>NodeManager</code> in order to get the launch context of the container with id | ||
| * <em>containerId</em>.</p> | ||
| * | ||
| * <p>This request is used only for container relocation, where the launch context of | ||
| * the origin container is necessary for launching the relocated container on the target node.</p> | ||
| * | ||
| * @see ContainerManagementProtocol#getContainerLaunchContext(GetContainerLaunchContextRequest) | ||
| */ | ||
| public abstract class GetContainerLaunchContextRequest { | ||
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| @Public | ||
| @Stable | ||
| public static GetContainerLaunchContextRequest newInstance(ContainerId containerId) { | ||
| GetContainerLaunchContextRequest request = | ||
| Records.newRecord(GetContainerLaunchContextRequest.class); | ||
| request.setContainerId(containerId); | ||
| return request; | ||
| } | ||
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| /** | ||
| * Gets the container id for which the launch context is requested. | ||
| * @return the container id for which the launch context is requested | ||
| */ | ||
| @Public | ||
| @Stable | ||
| public abstract ContainerId getContainerId(); | ||
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| /** | ||
| * Sets the container id for which the launch context is requested. | ||
| * @param containerId the container id for which the launch context is requested | ||
| */ | ||
| @Public | ||
| @Stable | ||
| public abstract void setContainerId(ContainerId containerId); | ||
| } |
61 changes: 61 additions & 0 deletions
61
...in/java/org/apache/hadoop/yarn/api/protocolrecords/GetContainerLaunchContextResponse.java
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| /** | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you under the Apache License, Version 2.0 (the | ||
| * "License"); you may not use this file except in compliance | ||
| * with the License. You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
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| package org.apache.hadoop.yarn.api.protocolrecords; | ||
|
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| import org.apache.hadoop.classification.InterfaceAudience.Public; | ||
| import org.apache.hadoop.classification.InterfaceStability.Stable; | ||
| import org.apache.hadoop.yarn.api.records.ContainerLaunchContext; | ||
| import org.apache.hadoop.yarn.util.Records; | ||
|
|
||
| /** | ||
| * <p>The response for a container launch context request sent between | ||
| * <code>NodeManager</code>s. It contains the requested container launch context.</p> | ||
| * | ||
| * <p>This request is used only for container relocation, where a launch context | ||
| * of the origin container is necessary for launching the relocated container on | ||
| * the target node.</p> | ||
| */ | ||
| public abstract class GetContainerLaunchContextResponse { | ||
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| @Public | ||
| @Stable | ||
| public static GetContainerLaunchContextResponse newInstance(ContainerLaunchContext | ||
| containerLaunchContext) { | ||
| GetContainerLaunchContextResponse request = | ||
| Records.newRecord(GetContainerLaunchContextResponse.class); | ||
| request.setContainerLaunchContext(containerLaunchContext); | ||
| return request; | ||
| } | ||
|
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| /** | ||
| * Gets the launch context of the requested container. | ||
| * @return the launch context of the requested container | ||
| */ | ||
| @Public | ||
| @Stable | ||
| public abstract ContainerLaunchContext getContainerLaunchContext(); | ||
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| /** | ||
| * Sets the launch context of the requested container. | ||
| * @param containerLaunchContext the launch context of the requested container | ||
| */ | ||
| @Public | ||
| @Stable | ||
| public abstract void setContainerLaunchContext(ContainerLaunchContext containerLaunchContext); | ||
| } |
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