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https://issues.apache.org/jira/browse/HADOOP-19232?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17911807#comment-17911807
]
ASF GitHub Bot commented on HADOOP-19232:
-----------------------------------------
anmolanmol1234 commented on code in PR #7272:
URL: https://github.com/apache/hadoop/pull/7272#discussion_r1909934397
##########
hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azurebfs/ITestAzureBlobFileSystemAppend.java:
##########
@@ -149,4 +197,954 @@ public void testCloseOfDataBlockOnAppendComplete() throws
Exception {
}
}
}
-}
+
+ /**
+ * Creates a file over DFS and attempts to append over Blob.
+ * It should fallback to DFS when appending to the file fails.
+ *
+ * @throws IOException if an I/O error occurs.
+ */
+ @Test
+ public void testCreateOverDfsAppendOverBlob() throws IOException {
+ Assume.assumeFalse(
+ getConfiguration().getBoolean(FS_AZURE_TEST_APPENDBLOB_ENABLED,
false));
+ final AzureBlobFileSystem fs = getFileSystem();
+ Path testPath = path(TEST_FILE_PATH);
+ AzureBlobFileSystemStore.Permissions permissions
+ = new AzureBlobFileSystemStore.Permissions(false,
+ FsPermission.getDefault(), FsPermission.getUMask(fs.getConf()));
+ fs.getAbfsStore().getClientHandler().getDfsClient().
+ createPath(makeQualified(testPath).toUri().getPath(), true, false,
+ permissions, false, null,
+ null, getTestTracingContext(fs, true));
+ fs.getAbfsStore()
+ .getAbfsConfiguration()
+ .set(FS_AZURE_INGRESS_SERVICE_TYPE, AbfsServiceType.BLOB.name());
+ FSDataOutputStream outputStream = fs.append(testPath);
+ AzureIngressHandler ingressHandler
+ = ((AbfsOutputStream)
outputStream.getWrappedStream()).getIngressHandler();
+ AbfsClient client = ingressHandler.getClient();
+ Assert.assertTrue("Blob client was not used before fallback",
+ client instanceof AbfsBlobClient);
+ outputStream.write(TEN);
+ outputStream.hsync();
+ outputStream.write(TWENTY);
+ outputStream.hsync();
+ outputStream.write(THIRTY);
+ outputStream.hsync();
+ AzureIngressHandler ingressHandlerFallback
+ = ((AbfsOutputStream)
outputStream.getWrappedStream()).getIngressHandler();
+ AbfsClient clientFallback = ingressHandlerFallback.getClient();
+ Assert.assertTrue("DFS client was not used after fallback",
+ clientFallback instanceof AbfsDfsClient);
+ }
+
+ /**
+ * Creates a file over Blob and attempts to append over DFS.
+ * It should fallback to Blob when appending to the file fails.
+ *
+ * @throws IOException if an I/O error occurs.
+ */
+ @Test
+ public void testCreateOverBlobAppendOverDfs() throws IOException {
+ Assume.assumeFalse(
+ getConfiguration().getBoolean(FS_AZURE_TEST_APPENDBLOB_ENABLED,
+ false));
+ Configuration conf = getRawConfiguration();
+ conf.setBoolean(FS_AZURE_ENABLE_DFSTOBLOB_FALLBACK, true);
+ conf.set(FS_AZURE_INGRESS_SERVICE_TYPE,
+ String.valueOf(AbfsServiceType.DFS));
+ final AzureBlobFileSystem fs = (AzureBlobFileSystem)
FileSystem.newInstance(
+ conf);
+ Path testPath = path(TEST_FILE_PATH);
+ AzureBlobFileSystemStore.Permissions permissions
+ = new AzureBlobFileSystemStore.Permissions(false,
+ FsPermission.getDefault(), FsPermission.getUMask(fs.getConf()));
+ fs.getAbfsStore()
+ .getAbfsConfiguration()
+ .setBoolean(FS_AZURE_ENABLE_DFSTOBLOB_FALLBACK, true);
+ fs.getAbfsStore().getAbfsConfiguration().set(FS_AZURE_INGRESS_SERVICE_TYPE,
+ String.valueOf(AbfsServiceType.DFS));
+ fs.getAbfsStore().getClientHandler().getBlobClient().
+ createPath(makeQualified(testPath).toUri().getPath(), true, false,
+ permissions, false, null,
+ null, getTestTracingContext(fs, true));
+ FSDataOutputStream outputStream = fs.append(testPath);
+ outputStream.write(TEN);
+ outputStream.hsync();
+ outputStream.write(TWENTY);
+ outputStream.hsync();
+ outputStream.write(THIRTY);
+ outputStream.hsync();
+ }
+
+ /**
+ * Creates an Append Blob over Blob and attempts to append over DFS.
+ * It should fallback to Blob when appending to the file fails.
+ *
+ * @throws IOException if an I/O error occurs.
+ */
+ @Test
+ public void testCreateAppendBlobOverBlobEndpointAppendOverDfs()
+ throws IOException, NoSuchFieldException, IllegalAccessException {
+ Configuration conf = getRawConfiguration();
+ conf.setBoolean(FS_AZURE_ENABLE_DFSTOBLOB_FALLBACK, true);
+ conf.set(FS_AZURE_INGRESS_SERVICE_TYPE,
+ String.valueOf(AbfsServiceType.DFS));
+ final AzureBlobFileSystem fs = Mockito.spy(
+ (AzureBlobFileSystem) FileSystem.newInstance(conf));
+ AzureBlobFileSystemStore store = Mockito.spy(fs.getAbfsStore());
+ Mockito.doReturn(true).when(store).isAppendBlobKey(anyString());
+
+ // Set abfsStore as our mocked value.
+ Field privateField = AzureBlobFileSystem.class.getDeclaredField(
+ "abfsStore");
+ privateField.setAccessible(true);
+ privateField.set(fs, store);
+ Path testPath = path(TEST_FILE_PATH);
+ AzureBlobFileSystemStore.Permissions permissions
+ = new AzureBlobFileSystemStore.Permissions(false,
+ FsPermission.getDefault(), FsPermission.getUMask(fs.getConf()));
+ fs.getAbfsStore()
+ .getAbfsConfiguration()
+ .setBoolean(FS_AZURE_ENABLE_DFSTOBLOB_FALLBACK, true);
+ fs.getAbfsStore().getAbfsConfiguration().set(FS_AZURE_INGRESS_SERVICE_TYPE,
+ String.valueOf(AbfsServiceType.DFS));
+ fs.getAbfsStore().getClientHandler().getBlobClient().
+ createPath(makeQualified(testPath).toUri().getPath(), true, false,
+ permissions, true, null,
+ null, getTestTracingContext(fs, true));
+ FSDataOutputStream outputStream = fs.append(testPath);
+ outputStream.write(TEN);
+ outputStream.hsync();
+ outputStream.write(TWENTY);
+ outputStream.hsync();
+ outputStream.write(THIRTY);
+ outputStream.hsync();
Review Comment:
same as above
> ABFS: [FnsOverBlob] Implementing Ingress Support with various Fallback
> Handling
> -------------------------------------------------------------------------------
>
> Key: HADOOP-19232
> URL: https://issues.apache.org/jira/browse/HADOOP-19232
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/azure
> Affects Versions: 3.4.0
> Reporter: Descifrado
> Assignee: Anmol Asrani
> Priority: Major
> Labels: pull-request-available
>
> Scope of this task is to refactor the AbfsOutputStream class to handle the
> ingress for DFS and Blob endpoint effectively.
> More details will be added soon.
> Perquisites for this Patch:
> 1. [HADOOP-19187] ABFS: [FnsOverBlob]Making AbfsClient Abstract for
> supporting both DFS and Blob Endpoint - ASF JIRA (apache.org)
> 2. [HADOOP-19226] ABFS: [FnsOverBlob]Implementing Azure Rest APIs on Blob
> Endpoint for AbfsBlobClient - ASF JIRA (apache.org)
> 3. [HADOOP-19207] ABFS: [FnsOverBlob]Response Handling of Blob Endpoint APIs
> and Metadata APIs - ASF JIRA (apache.org)
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