hadoop DockerRmCommand 源码
haddop DockerRmCommand 代码
文件路径：/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/runtime/docker/DockerRmCommand.java
/*
* 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.
*/
package org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.docker;
import org.apache.hadoop.yarn.server.nodemanager.Context;
import org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.privileged.PrivilegedOperation;
import java.util.Map;
/**
* Encapsulates the docker rm command and its command
* line arguments.
*/
public class DockerRmCommand extends DockerCommand {
private static final String RM_COMMAND = "rm";
private static final String CGROUP_HIERARCHY = "hierarchy";
private String cGroupArg;
public DockerRmCommand(String containerName, String hierarchy) {
super(RM_COMMAND);
super.addCommandArguments("name", containerName);
if ((hierarchy != null) && !hierarchy.isEmpty()) {
super.addCommandArguments(CGROUP_HIERARCHY, hierarchy);
this.cGroupArg = hierarchy;
}
}
@Override
public PrivilegedOperation preparePrivilegedOperation(
DockerCommand dockerCommand, String containerName, Map<String,
String> env, Context nmContext) {
PrivilegedOperation dockerOp = new PrivilegedOperation(
PrivilegedOperation.OperationType.REMOVE_DOCKER_CONTAINER);
if (this.cGroupArg != null) {
dockerOp.appendArgs(cGroupArg);
}
dockerOp.appendArgs(containerName);
return dockerOp;
}
}
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