YARN-5459. Add support for docker rm. Contributed by Shane Kumpf.

Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/08e33381
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/08e33381
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/08e33381

Branch: refs/heads/YARN-2915
Commit: 08e33381f5342590a68c65504c79c296b40fe5af
Parents: 05db649
Author: Varun Vasudev <vvasu...@apache.org>
Authored: Thu Aug 4 14:08:34 2016 +0530
Committer: Varun Vasudev <vvasu...@apache.org>
Committed: Thu Aug 4 14:08:34 2016 +0530

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 .../linux/runtime/docker/DockerRmCommand.java   | 30 ++++++++++++
 .../runtime/docker/TestDockerRmCommand.java     | 48 ++++++++++++++++++++
 2 files changed, 78 insertions(+)
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http://git-wip-us.apache.org/repos/asf/hadoop/blob/08e33381/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
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diff --git 
a/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
 
b/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
new file mode 100644
index 0000000..b1aea61
--- /dev/null
+++ 
b/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
@@ -0,0 +1,30 @@
+/*
+ * 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 rm command and its command
+ * line arguments.
+ */
+public class DockerRmCommand extends DockerCommand {
+  private static final String RM_COMMAND = "rm";
+
+  public DockerRmCommand(String containerName) {
+    super(RM_COMMAND);
+    super.addCommandArguments(containerName);
+  }
+}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/hadoop/blob/08e33381/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/runtime/docker/TestDockerRmCommand.java
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diff --git 
a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/runtime/docker/TestDockerRmCommand.java
 
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/runtime/docker/TestDockerRmCommand.java
new file mode 100644
index 0000000..d1b9904
--- /dev/null
+++ 
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/runtime/docker/TestDockerRmCommand.java
@@ -0,0 +1,48 @@
+/*
+ * 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 static org.junit.Assert.assertEquals;
+import org.junit.Before;
+import org.junit.Test;
+
+/**
+ * Tests the docker rm command and any command
+ * line arguments.
+ */
+public class TestDockerRmCommand {
+
+  private DockerRmCommand dockerRmCommand;
+
+  private static final String CONTAINER_NAME = "foo";
+
+  @Before
+  public void setUp() {
+    dockerRmCommand = new DockerRmCommand(CONTAINER_NAME);
+  }
+
+  @Test
+  public void testGetCommandOption() {
+    assertEquals("rm", dockerRmCommand.getCommandOption());
+  }
+
+  @Test
+  public void testGetCommandWithArguments() {
+    assertEquals("rm foo", dockerRmCommand.getCommandWithArguments());
+  }
+
+}


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