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Adding ABFS support to access ADLS Gen2 storage accounts
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28 changes: 28 additions & 0 deletions
28
...s/flink-azure-fs-hadoop/src/main/java/org/apache/flink/fs/azurefs/ABFSAzureFSFactory.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,28 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
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| package org.apache.flink.fs.azurefs; | ||
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| /** Abfs azureFs implementation. */ | ||
| public class ABFSAzureFSFactory extends AbstractAzureFSFactory { | ||
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| @Override | ||
| public String getScheme() { | ||
| return "abfs"; | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -25,6 +25,7 @@ | |
| import org.apache.flink.runtime.util.HadoopConfigLoader; | ||
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| import org.apache.hadoop.fs.azure.NativeAzureFileSystem; | ||
| import org.apache.hadoop.fs.azurebfs.AzureBlobFileSystem; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
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@@ -36,7 +37,7 @@ | |
| import static org.apache.flink.util.Preconditions.checkNotNull; | ||
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| /** | ||
| * Abstract factory for AzureFS. Subclasses override to specify the correct scheme (wasb / wasbs). | ||
| * Abstract factory for AzureFS. Subclasses override to specify the correct scheme (wasb / wasbs / abfs/ abfss). | ||
| * Based on Azure HDFS support in the <a | ||
| * href="https://hadoop.apache.org/docs/current/hadoop-azure/index.html">hadoop-azure</a> module. | ||
| */ | ||
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@@ -75,18 +76,27 @@ public void configure(Configuration config) { | |
| @Override | ||
| public FileSystem create(URI fsUri) throws IOException { | ||
| checkNotNull(fsUri, "passed file system URI object should not be null"); | ||
| LOG.info("Trying to load and instantiate Azure File System"); | ||
| LOG.info("Trying to load and instantiate Azure File System for {}", fsUri); | ||
| return new HadoopFileSystem(createInitializedAzureFS(fsUri, flinkConfig)); | ||
| } | ||
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| // uri is of the form: wasb(s)://[email protected]/testDir | ||
| // uri is of the form: wasb(s)://[email protected]/testDir (or) | ||
| // abfs(s):////[email protected]/testDir | ||
| private org.apache.hadoop.fs.FileSystem createInitializedAzureFS( | ||
| URI fsUri, Configuration flinkConfig) throws IOException { | ||
| org.apache.hadoop.conf.Configuration hadoopConfig = configLoader.getOrLoadHadoopConfig(); | ||
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| org.apache.hadoop.fs.FileSystem azureFS = new NativeAzureFileSystem(); | ||
| azureFS.initialize(fsUri, hadoopConfig); | ||
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| return azureFS; | ||
| String scheme = fsUri.getScheme(); | ||
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| if (scheme.startsWith("wasb")) { | ||
| LOG.info("Trying to initialize hadoop filesystem for {}.", scheme); | ||
| org.apache.hadoop.fs.FileSystem azureFS = new NativeAzureFileSystem(); | ||
| azureFS.initialize(fsUri, hadoopConfig); | ||
| return azureFS; | ||
| } else { | ||
| LOG.info("Trying to initialize hadoop filesystem for {}.", scheme); | ||
| org.apache.hadoop.fs.FileSystem azureFS = new AzureBlobFileSystem(); | ||
| azureFS.initialize(fsUri, hadoopConfig); | ||
| return azureFS; | ||
| } | ||
| } | ||
| } | ||
28 changes: 28 additions & 0 deletions
28
...k-azure-fs-hadoop/src/main/java/org/apache/flink/fs/azurefs/SecureABFSAzureFSFactory.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,28 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
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| package org.apache.flink.fs.azurefs; | ||
|
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| /** Secure ABFS AzureFS implementation. */ | ||
| public class SecureABFSAzureFSFactory extends AbstractAzureFSFactory { | ||
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| @Override | ||
| public String getScheme() { | ||
| return "abfss"; | ||
| } | ||
| } |
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54 changes: 54 additions & 0 deletions
54
...ink-azure-fs-hadoop/src/test/java/org/apache/flink/fs/azurefs/ABFSAzureFSFactoryTest.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,54 @@ | ||
| package org.apache.flink.fs.azurefs; | ||
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| import org.apache.flink.configuration.Configuration; | ||
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| import org.junit.Rule; | ||
| import org.junit.Test; | ||
| import org.junit.rules.ExpectedException; | ||
| import org.junit.runner.RunWith; | ||
| import org.junit.runners.Parameterized; | ||
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| import java.net.URI; | ||
| import java.util.Arrays; | ||
| import java.util.List; | ||
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| /** Tests for the ABFSAzureFSFactory. */ | ||
| @RunWith(Parameterized.class) | ||
| public class ABFSAzureFSFactoryTest { | ||
| @Parameterized.Parameter public String scheme; | ||
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| @Parameterized.Parameters(name = "Scheme = {0}") | ||
| public static List<String> parameters() { | ||
| return Arrays.asList("abfs", "abfss"); | ||
| } | ||
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| @Rule public final ExpectedException exception = ExpectedException.none(); | ||
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| private AbstractAzureFSFactory getFactory(String scheme) { | ||
| return scheme.equals("abfs") ? new ABFSAzureFSFactory() : new SecureABFSAzureFSFactory(); | ||
| } | ||
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| @Test | ||
| public void testNullFsURI() throws Exception { | ||
| URI uri = null; | ||
| AbstractAzureFSFactory factory = getFactory(scheme); | ||
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| exception.expect(NullPointerException.class); | ||
| exception.expectMessage("passed file system URI object should not be null"); | ||
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| factory.create(uri); | ||
| } | ||
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| @Test | ||
| public void testCreateFsWithMissingAuthority() throws Exception { | ||
| String uriString = String.format("%s:///my/path", scheme); | ||
| final URI uri = URI.create(uriString); | ||
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| exception.expect(IllegalArgumentException.class); | ||
| exception.expectMessage(String.format("%s has invalid authority.", uriString)); | ||
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| AbstractAzureFSFactory factory = getFactory(scheme); | ||
| factory.configure(new Configuration()); | ||
| factory.create(uri); | ||
| } | ||
| } |
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