YARN-5669. Add support for docker pull command (Contribtued by luhuichun)

This commit is contained in:
Sidharta S 2017-03-09 16:22:19 -08:00
parent 822a74f2ae
commit e96a0b8c92
2 changed files with 80 additions and 0 deletions

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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.
*/
package org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.docker;
/**
* Encapsulates the docker pull command and its command
* line arguments.
*/
public class DockerPullCommand extends DockerCommand {
private static final String PULL_COMMAND = "pull";
public DockerPullCommand(String imageName) {
super(PULL_COMMAND);
super.addCommandArguments(imageName);
}
}

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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.
*/
package org.apache.hadoop.yarn.server.nodemanager.containermanager.linux.runtime.docker;
import org.junit.Before;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
/**
* Tests the docker pull command and its command
* line arguments.
*/
public class TestDockerPullCommand {
private DockerPullCommand dockerPullCommand;
private static final String IMAGE_NAME = "foo";
@Before
public void setup() {
dockerPullCommand = new DockerPullCommand(IMAGE_NAME);
}
@Test
public void testGetCommandOption() {
assertEquals("pull", dockerPullCommand.getCommandOption());
}
@Test
public void testGetCommandWithArguments() {
assertEquals("pull foo", dockerPullCommand.getCommandWithArguments());
}
}