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YARN-9125. Fixed Carriage Return detection in Docker container launch command. 

Contributed by Billie Rinaldi
This commit is contained in:
Eric Yang 2018-12-14 17:52:26 -05:00
parent ca90b2480e
commit b2d7204ed0
2 changed files with 50 additions and 4 deletions
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8
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/DockerClient.java
View File

@ -105,13 +105,13 @@ public final class DockerClient {
"'=' found in entry for docker command file, key = " + entry
.getKey() + "; value = " + entry.getValue());
}
if (entry.getValue().contains("\n")) {
String value = StringUtils.join(",", entry.getValue());
if (value.contains("\n")) {
throw new ContainerExecutionException(
"'\\n' found in entry for docker command file, key = " + entry
.getKey() + "; value = " + entry.getValue());
.getKey() + "; value = " + value);
}
printWriter.println(" " + entry.getKey() + "=" + StringUtils
.join(",", entry.getValue()));
printWriter.println(" " + entry.getKey() + "=" + value);
}
if (cmd instanceof DockerRunCommand) {
DockerRunCommand runCommand = (DockerRunCommand) cmd;

46
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/TestDockerClient.java
View File

@ -27,13 +27,16 @@ import org.apache.hadoop.yarn.api.records.ContainerId;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.server.nodemanager.Context;
import org.apache.hadoop.yarn.server.nodemanager.LocalDirsHandlerService;
import org.apache.hadoop.yarn.server.nodemanager.containermanager.runtime.ContainerExecutionException;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import java.io.File;
import java.util.Arrays;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import static org.mockito.Mockito.doReturn;
import static org.mockito.Mockito.mock;
@ -77,4 +80,47 @@ public class TestDockerClient {
File tmpFile = new File(tmpPath);
assertTrue(tmpFile + " was not created", tmpFile.exists());
}
@Test
public void testCommandValidation() throws Exception {
String absRoot = TEST_ROOT_DIR.getAbsolutePath();
ApplicationId appId = ApplicationId.newInstance(1, 1);
ApplicationAttemptId attemptId = ApplicationAttemptId.newInstance(appId, 1);
ContainerId cid = ContainerId.newContainerId(attemptId, 1);
Configuration conf = new Configuration();
conf.set("hadoop.tmp.dir", absRoot);
conf.set(YarnConfiguration.NM_LOCAL_DIRS, absRoot);
conf.set(YarnConfiguration.NM_LOG_DIRS, absRoot);
LocalDirsHandlerService dirsHandler = new LocalDirsHandlerService();
Context mockContext = mock(Context.class);
doReturn(conf).when(mockContext).getConf();
doReturn(dirsHandler).when(mockContext).getLocalDirsHandler();
DockerClient dockerClient = new DockerClient();
dirsHandler.init(conf);
dirsHandler.start();
try {
DockerRunCommand dockerCmd = new DockerRunCommand(cid.toString(), "user",
"image");
dockerCmd.addCommandArguments("prop=bad", "val");
dockerClient.writeCommandToTempFile(dockerCmd, cid,
mockContext);
fail("Expected exception writing command file");
} catch (ContainerExecutionException e) {
assertTrue("Expected key validation error", e.getMessage()
.contains("'=' found in entry for docker command file"));
}
try {
DockerRunCommand dockerCmd = new DockerRunCommand(cid.toString(), "user",
"image");
dockerCmd.setOverrideCommandWithArgs(Arrays.asList("sleep", "1000\n"));
dockerClient.writeCommandToTempFile(dockerCmd, cid, mockContext);
fail("Expected exception writing command file");
} catch (ContainerExecutionException e) {
assertTrue("Expected value validation error", e.getMessage()
.contains("'\\n' found in entry for docker command file"));
}
dirsHandler.stop();
}
}