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Posted to issues@flink.apache.org by GitBox <gi...@apache.org> on 2020/01/09 12:11:22 UTC

[GitHub] [flink] mxm opened a new pull request #10811: [FLINK-15504] Allow output to stdout/stderr during execution of PackagedProgram

mxm opened a new pull request #10811: [FLINK-15504] Allow output to stdout/stderr during execution of PackagedProgram
URL: https://github.com/apache/flink/pull/10811
 
 
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   ## Contribution Checklist
   
     - Make sure that the pull request corresponds to a [JIRA issue](https://issues.apache.org/jira/projects/FLINK/issues). Exceptions are made for typos in JavaDoc or documentation files, which need no JIRA issue.
     
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   **(The sections below can be removed for hotfixes of typos)**
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   ## What is the purpose of the change
   
   We suppress the output to stdout/stderr during plan extraction via
   PackagedProgram. This has unintended consequences for users who are looking into
   debugging their Flink programs during JobGraph creation.
   
   
   
   ## Brief change log
   
   This change removes the suppression of output when we run the JARs. The plan
   preview still suppresses the output to avoid spaming the logs during plan
   preview.
   
   ## Verifying this change
   
   This change added tests and can be verified as follows: 
   
   Please see `JarHandlerTest` and `OptimizerPlanEnvironmentTest`
   
   ## Does this pull request potentially affect one of the following parts:
   
     - Dependencies (does it add or upgrade a dependency): (no)
     - The public API, i.e., is any changed class annotated with `@Public(Evolving)`: ( no)
     - The serializers: (no)
     - The runtime per-record code paths (performance sensitive): (no)
     - Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Yarn/Mesos, ZooKeeper: ( no )
     - The S3 file system connector: (no )
   
   ## Documentation
   
     - Does this pull request introduce a new feature? ( no)
     - If yes, how is the feature documented? (not applicable)
   

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[GitHub] [flink] dawidwys commented on a change in pull request #10811: [FLINK-15504] Allow output to stdout/stderr during execution of PackagedProgram

Posted by GitBox <gi...@apache.org>.
dawidwys commented on a change in pull request #10811: [FLINK-15504] Allow output to stdout/stderr during execution of PackagedProgram
URL: https://github.com/apache/flink/pull/10811#discussion_r364782822
 
 

 ##########
 File path: flink-runtime-web/src/test/java/org/apache/flink/runtime/webmonitor/handlers/JarHandlerTest.java
 ##########
 @@ -0,0 +1,163 @@
+/*
+ * 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.flink.runtime.webmonitor.handlers;
+
+import org.apache.flink.api.common.time.Time;
+import org.apache.flink.configuration.Configuration;
+import org.apache.flink.configuration.RestOptions;
+import org.apache.flink.configuration.WebOptions;
+import org.apache.flink.runtime.rest.RestClient;
+import org.apache.flink.runtime.rest.RestClientConfiguration;
+import org.apache.flink.runtime.rest.messages.MessageHeaders;
+import org.apache.flink.runtime.rest.util.RestClientException;
+import org.apache.flink.runtime.testingUtils.TestingUtils;
+import org.apache.flink.runtime.testutils.MiniClusterResource;
+import org.apache.flink.runtime.testutils.MiniClusterResourceConfiguration;
+import org.apache.flink.testutils.junit.category.AlsoRunWithLegacyScheduler;
+import org.apache.flink.util.ExceptionUtils;
+import org.apache.flink.util.TestLogger;
+
+import org.junit.ClassRule;
+import org.junit.Test;
+import org.junit.experimental.categories.Category;
+import org.junit.rules.TemporaryFolder;
+
+import java.io.IOException;
+import java.net.URI;
+import java.nio.file.FileSystem;
+import java.nio.file.FileSystems;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.HashMap;
+import java.util.Optional;
+
+import static org.hamcrest.CoreMatchers.containsString;
+import static org.hamcrest.MatcherAssert.assertThat;
+
+/**
+ * Tests for the {@link JarRunHandler} and  {@link JarPlanHandler}.
+ */
+@Category(AlsoRunWithLegacyScheduler.class)
+public class JarHandlerTest extends TestLogger {
+
+	@ClassRule
+	public static final TemporaryFolder TMP = new TemporaryFolder();
+
+	enum Type {
+		PLAN,
+		RUN
+	}
+
+	@Test
+	public void testPlanJar() throws Exception {
+		runTest(Type.PLAN, "hello out!", "hello err!");
+	}
+
+	@Test
+	public void testRunJar() throws Exception {
+		runTest(Type.RUN, "(none)", "(none)");
+	}
+
+	private static void runTest(Type type, String expectedCapturedStdOut, String expectedCapturedStdErr) throws Exception {
+		Path uploadDir = TMP.newFolder().toPath();
+
+		Path actualUploadDir = uploadDir.resolve("flink-web-upload");
+		Files.createDirectory(actualUploadDir);
+
+		Path emptyJar = actualUploadDir.resolve("empty.jar");
+		createJarFile(emptyJar);
+
+		Configuration config = new Configuration();
+		config.setString(WebOptions.UPLOAD_DIR, uploadDir.toString());
+
+		MiniClusterResource clusterResource = new MiniClusterResource(
+			new MiniClusterResourceConfiguration.Builder()
+				.setConfiguration(config)
+				.setNumberTaskManagers(1)
+				.setNumberSlotsPerTaskManager(1)
+				.build());
+		clusterResource.before();
+
+		try {
+			Configuration clientConfig = clusterResource.getClientConfiguration();
+			RestClient client = new RestClient(RestClientConfiguration.fromConfiguration(clientConfig), TestingUtils.defaultExecutor());
+
+			try {
+				final MessageHeaders headers;
+				final JarMessageParameters parameters;
+				if (type == Type.RUN) {
+					headers = JarRunHeaders.getInstance();
+					parameters = ((JarRunHeaders) headers).getUnresolvedMessageParameters();
+				} else if (type == Type.PLAN) {
+					headers = JarPlanGetHeaders.getInstance();
+					parameters = ((JarPlanGetHeaders) headers).getUnresolvedMessageParameters();
+				} else {
+					throw new RuntimeException("Invalid type: " + type);
+				}
+				parameters.jarIdPathParameter.resolve(emptyJar.getFileName().toString());
+
+				String host = clientConfig.getString(RestOptions.ADDRESS);
+				int port = clientConfig.getInteger(RestOptions.PORT);
+
+				try {
+					client.sendRequest(host, port, headers, parameters, new JarPlanRequestBody())
+						.get();
+				} catch (Exception e) {
+					Optional<RestClientException> expected = ExceptionUtils.findThrowable(e, RestClientException.class);
+					if (expected.isPresent()) {
+						// implies the job was actually submitted
+						assertThat(expected.get().getMessage(), containsString("ProgramInvocationException"));
+						// original cause is preserved in stack trace
+						assertThat(expected.get().getMessage(), containsString("The program plan could not be fetched - the program aborted pre-maturely"));
+						// implies the jar was registered for the job graph (otherwise the jar name would not occur in the exception)
+						// implies the jar was uploaded (otherwise the file would not be found at all)
+						assertThat(expected.get().getMessage(), containsString("empty.jar"));
+						// ensure that no stdout/stderr has been captured
+						assertThat(expected.get().getMessage(), containsString("System.out: " + expectedCapturedStdOut));
+						assertThat(expected.get().getMessage(), containsString("System.err: " + expectedCapturedStdErr));
+					} else {
+						throw e;
+					}
+				}
+			} finally {
+				client.shutdown(Time.milliseconds(10));
+			}
+		} finally {
+			clusterResource.after();
+		}
+	}
+
+	private static void createJarFile(Path zipFile) throws IOException {
+		URI uri = URI.create("jar:file:" + zipFile.toString());
+		HashMap<String, Object> env = new HashMap<>();
+		// We need this to ensure the file will be created if it does not exist
+		env.put("create", "true");
+		try (FileSystem zipfs = FileSystems.newFileSystem(uri, env)) {
+			Files.createDirectory(zipfs.getPath("META-INF"));
+			Path manifest = zipfs.getPath("META-INF/MANIFEST.MF");
+			Files.write(manifest, "Manifest-Version: 1.0\nCreated-By: Apache Flink\nMain-Class: HelloWorld\n".getBytes());
+
+			Path content = zipfs.getPath("HelloWorld.class");
+			Files.write(content, new byte[] {
+				// A program that prints 'hello out!' to stdout and 'hello err!' to stderr
 
 Review comment:
   Could you add the actual code as a comment in order to be able to regenerate this byte array?

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[GitHub] [flink] flinkbot edited a comment on issue #10811: [FLINK-15504] Allow output to stdout/stderr during execution of PackagedProgram

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on issue #10811: [FLINK-15504] Allow output to stdout/stderr during execution of PackagedProgram
URL: https://github.com/apache/flink/pull/10811#issuecomment-572540427
 
 
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[GitHub] [flink] flinkbot edited a comment on issue #10811: [FLINK-15504] Allow output to stdout/stderr during execution of PackagedProgram

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on issue #10811: [FLINK-15504] Allow output to stdout/stderr during execution of PackagedProgram
URL: https://github.com/apache/flink/pull/10811#issuecomment-572540427
 
 
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   ## CI report:
   
   * 4ded7a2610974acbc983c9ca33965354ce2a1fa2 Travis: [PENDING](https://travis-ci.com/flink-ci/flink/builds/143723314) Azure: [PENDING](https://dev.azure.com/rmetzger/5bd3ef0a-4359-41af-abca-811b04098d2e/_build/results?buildId=4223) 
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[GitHub] [flink] mxm commented on a change in pull request #10811: [FLINK-15504] Allow output to stdout/stderr during execution of PackagedProgram

Posted by GitBox <gi...@apache.org>.
mxm commented on a change in pull request #10811: [FLINK-15504] Allow output to stdout/stderr during execution of PackagedProgram
URL: https://github.com/apache/flink/pull/10811#discussion_r364825383
 
 

 ##########
 File path: flink-runtime-web/src/test/java/org/apache/flink/runtime/webmonitor/handlers/JarHandlerTest.java
 ##########
 @@ -0,0 +1,163 @@
+/*
+ * 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.flink.runtime.webmonitor.handlers;
+
+import org.apache.flink.api.common.time.Time;
+import org.apache.flink.configuration.Configuration;
+import org.apache.flink.configuration.RestOptions;
+import org.apache.flink.configuration.WebOptions;
+import org.apache.flink.runtime.rest.RestClient;
+import org.apache.flink.runtime.rest.RestClientConfiguration;
+import org.apache.flink.runtime.rest.messages.MessageHeaders;
+import org.apache.flink.runtime.rest.util.RestClientException;
+import org.apache.flink.runtime.testingUtils.TestingUtils;
+import org.apache.flink.runtime.testutils.MiniClusterResource;
+import org.apache.flink.runtime.testutils.MiniClusterResourceConfiguration;
+import org.apache.flink.testutils.junit.category.AlsoRunWithLegacyScheduler;
+import org.apache.flink.util.ExceptionUtils;
+import org.apache.flink.util.TestLogger;
+
+import org.junit.ClassRule;
+import org.junit.Test;
+import org.junit.experimental.categories.Category;
+import org.junit.rules.TemporaryFolder;
+
+import java.io.IOException;
+import java.net.URI;
+import java.nio.file.FileSystem;
+import java.nio.file.FileSystems;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.HashMap;
+import java.util.Optional;
+
+import static org.hamcrest.CoreMatchers.containsString;
+import static org.hamcrest.MatcherAssert.assertThat;
+
+/**
+ * Tests for the {@link JarRunHandler} and  {@link JarPlanHandler}.
+ */
+@Category(AlsoRunWithLegacyScheduler.class)
+public class JarHandlerTest extends TestLogger {
+
+	@ClassRule
+	public static final TemporaryFolder TMP = new TemporaryFolder();
+
+	enum Type {
+		PLAN,
+		RUN
+	}
+
+	@Test
+	public void testPlanJar() throws Exception {
+		runTest(Type.PLAN, "hello out!", "hello err!");
+	}
+
+	@Test
+	public void testRunJar() throws Exception {
+		runTest(Type.RUN, "(none)", "(none)");
+	}
+
+	private static void runTest(Type type, String expectedCapturedStdOut, String expectedCapturedStdErr) throws Exception {
+		Path uploadDir = TMP.newFolder().toPath();
+
+		Path actualUploadDir = uploadDir.resolve("flink-web-upload");
+		Files.createDirectory(actualUploadDir);
+
+		Path emptyJar = actualUploadDir.resolve("empty.jar");
+		createJarFile(emptyJar);
+
+		Configuration config = new Configuration();
+		config.setString(WebOptions.UPLOAD_DIR, uploadDir.toString());
+
+		MiniClusterResource clusterResource = new MiniClusterResource(
+			new MiniClusterResourceConfiguration.Builder()
+				.setConfiguration(config)
+				.setNumberTaskManagers(1)
+				.setNumberSlotsPerTaskManager(1)
+				.build());
+		clusterResource.before();
+
+		try {
+			Configuration clientConfig = clusterResource.getClientConfiguration();
+			RestClient client = new RestClient(RestClientConfiguration.fromConfiguration(clientConfig), TestingUtils.defaultExecutor());
+
+			try {
+				final MessageHeaders headers;
+				final JarMessageParameters parameters;
+				if (type == Type.RUN) {
+					headers = JarRunHeaders.getInstance();
+					parameters = ((JarRunHeaders) headers).getUnresolvedMessageParameters();
+				} else if (type == Type.PLAN) {
+					headers = JarPlanGetHeaders.getInstance();
+					parameters = ((JarPlanGetHeaders) headers).getUnresolvedMessageParameters();
+				} else {
+					throw new RuntimeException("Invalid type: " + type);
+				}
+				parameters.jarIdPathParameter.resolve(emptyJar.getFileName().toString());
+
+				String host = clientConfig.getString(RestOptions.ADDRESS);
+				int port = clientConfig.getInteger(RestOptions.PORT);
+
+				try {
+					client.sendRequest(host, port, headers, parameters, new JarPlanRequestBody())
+						.get();
+				} catch (Exception e) {
+					Optional<RestClientException> expected = ExceptionUtils.findThrowable(e, RestClientException.class);
+					if (expected.isPresent()) {
+						// implies the job was actually submitted
+						assertThat(expected.get().getMessage(), containsString("ProgramInvocationException"));
+						// original cause is preserved in stack trace
+						assertThat(expected.get().getMessage(), containsString("The program plan could not be fetched - the program aborted pre-maturely"));
+						// implies the jar was registered for the job graph (otherwise the jar name would not occur in the exception)
+						// implies the jar was uploaded (otherwise the file would not be found at all)
+						assertThat(expected.get().getMessage(), containsString("empty.jar"));
+						// ensure that no stdout/stderr has been captured
+						assertThat(expected.get().getMessage(), containsString("System.out: " + expectedCapturedStdOut));
+						assertThat(expected.get().getMessage(), containsString("System.err: " + expectedCapturedStdErr));
+					} else {
+						throw e;
+					}
+				}
+			} finally {
+				client.shutdown(Time.milliseconds(10));
+			}
+		} finally {
+			clusterResource.after();
+		}
+	}
+
+	private static void createJarFile(Path zipFile) throws IOException {
+		URI uri = URI.create("jar:file:" + zipFile.toString());
+		HashMap<String, Object> env = new HashMap<>();
+		// We need this to ensure the file will be created if it does not exist
+		env.put("create", "true");
+		try (FileSystem zipfs = FileSystems.newFileSystem(uri, env)) {
+			Files.createDirectory(zipfs.getPath("META-INF"));
+			Path manifest = zipfs.getPath("META-INF/MANIFEST.MF");
+			Files.write(manifest, "Manifest-Version: 1.0\nCreated-By: Apache Flink\nMain-Class: HelloWorld\n".getBytes());
+
+			Path content = zipfs.getPath("HelloWorld.class");
+			Files.write(content, new byte[] {
+				// A program that prints 'hello out!' to stdout and 'hello err!' to stderr
 
 Review comment:
   That makes sense. I will add this code as a comment:
   
   ```java
   public class HelloWorld {
     public static void main(String[] args) {
       System.out.println("hello out!");
       System.err.println("hello err!");
     }
   }
   
   ```

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[GitHub] [flink] flinkbot commented on issue #10811: [FLINK-15504] Allow output to stdout/stderr during execution of PackagedProgram

Posted by GitBox <gi...@apache.org>.
flinkbot commented on issue #10811: [FLINK-15504] Allow output to stdout/stderr during execution of PackagedProgram
URL: https://github.com/apache/flink/pull/10811#issuecomment-572540427
 
 
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   ## CI report:
   
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[GitHub] [flink] flinkbot edited a comment on issue #10811: [FLINK-15504] Allow output to stdout/stderr during execution of PackagedProgram

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on issue #10811: [FLINK-15504] Allow output to stdout/stderr during execution of PackagedProgram
URL: https://github.com/apache/flink/pull/10811#issuecomment-572540427
 
 
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[GitHub] [flink] flinkbot edited a comment on issue #10811: [FLINK-15504] Allow output to stdout/stderr during execution of PackagedProgram

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on issue #10811: [FLINK-15504] Allow output to stdout/stderr during execution of PackagedProgram
URL: https://github.com/apache/flink/pull/10811#issuecomment-572540427
 
 
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[GitHub] [flink] flinkbot edited a comment on issue #10811: [FLINK-15504] Allow output to stdout/stderr during execution of PackagedProgram

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on issue #10811: [FLINK-15504] Allow output to stdout/stderr during execution of PackagedProgram
URL: https://github.com/apache/flink/pull/10811#issuecomment-572540427
 
 
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[GitHub] [flink] mxm commented on issue #10811: [FLINK-15504] Allow output to stdout/stderr during execution of PackagedProgram

Posted by GitBox <gi...@apache.org>.
mxm commented on issue #10811: [FLINK-15504] Allow output to stdout/stderr during execution of PackagedProgram
URL: https://github.com/apache/flink/pull/10811#issuecomment-572637798
 
 
   Thank you for the quick review! 🎉  I'll leave this open until tomorrow.

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[GitHub] [flink] flinkbot edited a comment on issue #10811: [FLINK-15504] Allow output to stdout/stderr during execution of PackagedProgram

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on issue #10811: [FLINK-15504] Allow output to stdout/stderr during execution of PackagedProgram
URL: https://github.com/apache/flink/pull/10811#issuecomment-572540427
 
 
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[GitHub] [flink] flinkbot commented on issue #10811: [FLINK-15504] Allow output to stdout/stderr during execution of PackagedProgram

Posted by GitBox <gi...@apache.org>.
flinkbot commented on issue #10811: [FLINK-15504] Allow output to stdout/stderr during execution of PackagedProgram
URL: https://github.com/apache/flink/pull/10811#issuecomment-572536116
 
 
   Thanks a lot for your contribution to the Apache Flink project. I'm the @flinkbot. I help the community
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[GitHub] [flink] flinkbot edited a comment on issue #10811: [FLINK-15504] Allow output to stdout/stderr during execution of PackagedProgram

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on issue #10811: [FLINK-15504] Allow output to stdout/stderr during execution of PackagedProgram
URL: https://github.com/apache/flink/pull/10811#issuecomment-572540427
 
 
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[GitHub] [flink] mxm merged pull request #10811: [FLINK-15504] Allow output to stdout/stderr during execution of PackagedProgram

Posted by GitBox <gi...@apache.org>.
mxm merged pull request #10811: [FLINK-15504] Allow output to stdout/stderr during execution of PackagedProgram
URL: https://github.com/apache/flink/pull/10811
 
 
   

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[GitHub] [flink] flinkbot edited a comment on issue #10811: [FLINK-15504] Allow output to stdout/stderr during execution of PackagedProgram

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on issue #10811: [FLINK-15504] Allow output to stdout/stderr during execution of PackagedProgram
URL: https://github.com/apache/flink/pull/10811#issuecomment-572540427
 
 
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