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HADOOP-16640. WASB: Override getCanonicalServiceName() to return URI

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Da Zhou 2019-10-16 13:14:15 -07:00 committed by DadanielZ
parent 375224edeb
commit 9a8edb0aed
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2 changed files with 51 additions and 1 deletions
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22
hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azure/NativeAzureFileSystem.java
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@ -643,6 +643,20 @@ public String getScheme() {
return "wasb";
}
/**
* If fs.azure.override.canonical.service.name is set as true, return URI of
* the WASB filesystem, otherwise use the default implementation.
*
* @return a service string that uniquely identifies this file system
*/
@Override
public String getCanonicalServiceName() {
if (returnUriAsCanonicalServiceName) {
return getUri().toString();
}
return super.getCanonicalServiceName();
}
/**
* <p>
@ -726,6 +740,11 @@ public String getScheme() {
*/
public static final String APPEND_SUPPORT_ENABLE_PROPERTY_NAME = "fs.azure.enable.append.support";
/*
* Property to override canonical service name with filesystem's URI.
*/
public static final String RETURN_URI_AS_CANONICAL_SERVICE_NAME_PROPERTY_NAME = "fs.azure.override.canonical.service.name";
/**
* The configuration property to set number of threads to be used for rename operation.
*/
@ -1192,6 +1211,7 @@ private void restoreKey() throws IOException {
// A counter to create unique (within-process) names for my metrics sources.
private static AtomicInteger metricsSourceNameCounter = new AtomicInteger();
private boolean appendSupportEnabled = false;
private boolean returnUriAsCanonicalServiceName = false;
private DelegationTokenAuthenticatedURL authURL;
private DelegationTokenAuthenticatedURL.Token authToken = new DelegationTokenAuthenticatedURL.Token();
private String credServiceUrl;
@ -1389,6 +1409,8 @@ public void initialize(URI uri, Configuration conf)
if (UserGroupInformation.isSecurityEnabled() && kerberosSupportEnabled) {
this.wasbDelegationTokenManager = new RemoteWasbDelegationTokenManager(conf);
}
this.returnUriAsCanonicalServiceName = conf.getBoolean(RETURN_URI_AS_CANONICAL_SERVICE_NAME_PROPERTY_NAME, false);
}
@Override

30
hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azure/ITestWasbUriAndConfiguration.java
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@ -19,6 +19,7 @@
package org.apache.hadoop.fs.azure;
import static org.apache.hadoop.fs.CommonConfigurationKeysPublic.FS_DEFAULT_NAME_KEY;
import static org.apache.hadoop.fs.azure.NativeAzureFileSystem.RETURN_URI_AS_CANONICAL_SERVICE_NAME_PROPERTY_NAME;
import static org.apache.hadoop.test.LambdaTestUtils.intercept;
import static org.junit.Assume.assumeFalse;
import static org.junit.Assume.assumeNotNull;
@ -44,7 +45,6 @@
import org.apache.hadoop.fs.FileContext;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.fs.UnsupportedFileSystemException;
import org.apache.hadoop.fs.azure.AzureBlobStorageTestAccount.CreateOptions;
import org.apache.hadoop.test.GenericTestUtils;
@ -640,4 +640,32 @@ public void testUserAgentConfig() throws Exception {
FileSystem.closeAll();
}
}
@Test
public void testCanonicalServiceName() throws Exception {
AzureBlobStorageTestAccount testAccount = AzureBlobStorageTestAccount.createMock();
Configuration conf = testAccount.getFileSystem().getConf();
String authority = testAccount.getFileSystem().getUri().getAuthority();
URI defaultUri = new URI("wasbs", authority, null, null, null);
conf.set(FS_DEFAULT_NAME_KEY, defaultUri.toString());
try {
FileSystem fs0 = FileSystem.get(conf);
// Default getCanonicalServiceName() will try to resolve the host to IP,
// because the mock container does not exist, this call is expected to fail.
intercept(IllegalArgumentException.class,
"java.net.UnknownHostException",
() -> {
fs0.getCanonicalServiceName();
});
conf.setBoolean(RETURN_URI_AS_CANONICAL_SERVICE_NAME_PROPERTY_NAME, true);
FileSystem fs1 = FileSystem.newInstance(defaultUri, conf);
Assert.assertEquals("getCanonicalServiceName() should return URI",
fs1.getUri().toString(), fs1.getCanonicalServiceName());
} finally {
testAccount.cleanup();
FileSystem.closeAll();
}
}
}