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Posted to issues@flink.apache.org by GitBox <gi...@apache.org> on 2020/04/23 21:51:18 UTC

[GitHub] [flink] premsantosh opened a new pull request #11891: [FLINK-17359] [flink-core] Fix for resolving entropy while using plugin filesystem

premsantosh opened a new pull request #11891:
URL: https://github.com/apache/flink/pull/11891


   ## What is the purpose of the change
   
   This change addresses the issue of the EntropyInjector not resolving the entropyKey if the fileSystem is dynamically loaded as a plugin.
   
   ## Brief change log
   
   - Added an extra condition to check if the fileSystem is of type `ClassLoaderFixingFileSystem`
   - Added appropriate unit test
   
   ## Verifying this change
   
   *(Please pick either of the following options)*
   
   This change is a trivial rework
   
   ## 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, Kubernetes/Yarn/Mesos, ZooKeeper: (no)
     - The S3 file system connector: (no)
   
   ## Documentation
   
     - Does this pull request introduce a new feature? (no)
   


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[GitHub] [flink] aljoscha commented on pull request #11891: [FLINK-17359] [flink-core] Fixing EntropyInjector to resolve entropy for ClassLoaderFixingFileSystem

Posted by GitBox <gi...@apache.org>.
aljoscha commented on pull request #11891:
URL: https://github.com/apache/flink/pull/11891#issuecomment-619818582


   @premsantosh Thanks a lot for analyzing and fixing this bug! 👍
   
   I merged.


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[GitHub] [flink] flinkbot edited a comment on pull request #11891: [FLINK-17359] [flink-core] Fix for resolving entropy while using plugin filesystem

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on pull request #11891:
URL: https://github.com/apache/flink/pull/11891#issuecomment-618694277


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[GitHub] [flink] flinkbot commented on pull request #11891: [FLINK-17359] [flink-core] Fix for resolving entropy while using plugin filesystem

Posted by GitBox <gi...@apache.org>.
flinkbot commented on pull request #11891:
URL: https://github.com/apache/flink/pull/11891#issuecomment-618694277


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[GitHub] [flink] flinkbot edited a comment on pull request #11891: [FLINK-17359] [flink-core] Fix for resolving entropy while using plugin filesystem

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on pull request #11891:
URL: https://github.com/apache/flink/pull/11891#issuecomment-618694277


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[GitHub] [flink] flinkbot edited a comment on pull request #11891: [FLINK-17359] [flink-core] Fix for resolving entropy while using plugin filesystem

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on pull request #11891:
URL: https://github.com/apache/flink/pull/11891#issuecomment-618694277


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[GitHub] [flink] flinkbot edited a comment on pull request #11891: [FLINK-17359] [flink-core] Fixing EntropyInjector to resolve entropy for ClassLoaderFixingFileSystem

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on pull request #11891:
URL: https://github.com/apache/flink/pull/11891#issuecomment-618694277


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[GitHub] [flink] flinkbot edited a comment on pull request #11891: [FLINK-17359] [flink-core] Fixing EntropyInjector to resolve entropy for ClassLoaderFixingFileSystem

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on pull request #11891:
URL: https://github.com/apache/flink/pull/11891#issuecomment-618694277


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[GitHub] [flink] flinkbot commented on pull request #11891: [FLINK-17359] [flink-core] Fix for resolving entropy while using plugin filesystem

Posted by GitBox <gi...@apache.org>.
flinkbot commented on pull request #11891:
URL: https://github.com/apache/flink/pull/11891#issuecomment-618691182


   Thanks a lot for your contribution to the Apache Flink project. I'm the @flinkbot. I help the community
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   ## Automated Checks
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    * **This pull request references an unassigned [Jira ticket](https://issues.apache.org/jira/browse/FLINK-17359).** According to the [code contribution guide](https://flink.apache.org/contributing/contribute-code.html), tickets need to be assigned before starting with the implementation work.
   
   
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[GitHub] [flink] aljoscha commented on a change in pull request #11891: [FLINK-17359] [flink-core] Fix for resolving entropy while using plugin filesystem

Posted by GitBox <gi...@apache.org>.
aljoscha commented on a change in pull request #11891:
URL: https://github.com/apache/flink/pull/11891#discussion_r414533705



##########
File path: flink-core/src/test/java/org/apache/flink/core/fs/EntropyInjectorTest.java
##########
@@ -160,6 +161,45 @@ public void testWithSafetyNet() throws Exception {
 		} catch (IOException ignored) {}
 	}
 
+	@Test
+	public void testClassLoaderFixingFs() throws Exception {
+		final String entropyKey = "__ekey__";
+		final String entropyValue = "abc";
+
+		final File folder = TMP_FOLDER.newFolder();
+
+		final Path path = new Path(Path.fromLocalFile(folder), entropyKey + "/path/");
+		final Path pathWithEntropy = new Path(Path.fromLocalFile(folder), entropyValue + "/path/");
+
+		PluginFileSystemFactory pluginFsFactory = PluginFileSystemFactory.of(
+				new TestFileSystemFactory(entropyKey, entropyValue));
+		FileSystem testFs = pluginFsFactory.create(URI.create("test"));
+
+		FSDataOutputStream out;
+
+		FileSystemSafetyNet.initializeSafetyNetForThread();
+		FileSystem fs = FileSystemSafetyNet.wrapWithSafetyNetWhenActivated(testFs);
+		try  {
+			OutputStreamAndPath streamAndPath = EntropyInjector.createEntropyAware(
+					fs, path, WriteMode.NO_OVERWRITE);
+
+			out = streamAndPath.stream();
+
+			assertEquals(pathWithEntropy, streamAndPath.path());
+		}
+		finally {
+			FileSystemSafetyNet.closeSafetyNetAndGuardedResourcesForThread();
+		}
+
+		// check that the safety net closed the stream

Review comment:
       I think this part is not needed since we already test that in other tests.




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[GitHub] [flink] flinkbot edited a comment on pull request #11891: [FLINK-17359] [flink-core] Fix for resolving entropy while using plugin filesystem

Posted by GitBox <gi...@apache.org>.
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URL: https://github.com/apache/flink/pull/11891#issuecomment-618694277


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[GitHub] [flink] flinkbot edited a comment on pull request #11891: [FLINK-17359] [flink-core] Fixing EntropyInjector to resolve entropy for ClassLoaderFixingFileSystem

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on pull request #11891:
URL: https://github.com/apache/flink/pull/11891#issuecomment-618694277


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[GitHub] [flink] flinkbot edited a comment on pull request #11891: [FLINK-17359] [flink-core] Fix for resolving entropy while using plugin filesystem

Posted by GitBox <gi...@apache.org>.
flinkbot edited a comment on pull request #11891:
URL: https://github.com/apache/flink/pull/11891#issuecomment-618694277


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[GitHub] [flink] flinkbot edited a comment on pull request #11891: [FLINK-17359] [flink-core] Fixing EntropyInjector to resolve entropy for ClassLoaderFixingFileSystem

Posted by GitBox <gi...@apache.org>.
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URL: https://github.com/apache/flink/pull/11891#issuecomment-618694277


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