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HADOOP-17548. ABFS: Toggle Store Mkdirs request overwrite parameter (#2729) (#2781) 

Contributed by Sumangala Patki.

(cherry picked from commit fe633d4739)
This commit is contained in:
sumangala-patki 2021-05-10 11:50:01 +05:30 committed by GitHub
parent 2a95ba29bb
commit b20bc668d5
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8 changed files with 67 additions and 5 deletions
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9
hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azurebfs/AbfsConfiguration.java
View File

@ -200,6 +200,11 @@ public class AbfsConfiguration{
DefaultValue = DEFAULT_FS_AZURE_ENABLE_CONDITIONAL_CREATE_OVERWRITE)
private boolean enableConditionalCreateOverwrite;
@BooleanConfigurationValidatorAnnotation(ConfigurationKey =
FS_AZURE_ENABLE_MKDIR_OVERWRITE, DefaultValue =
DEFAULT_FS_AZURE_ENABLE_MKDIR_OVERWRITE)
private boolean mkdirOverwrite;
@StringConfigurationValidatorAnnotation(ConfigurationKey = FS_AZURE_APPEND_BLOB_KEY,
DefaultValue = DEFAULT_FS_AZURE_APPEND_BLOB_DIRECTORIES)
private String azureAppendBlobDirs;
@ -633,6 +638,10 @@ public boolean isConditionalCreateOverwriteEnabled() {
return this.enableConditionalCreateOverwrite;
}
public boolean isEnabledMkdirOverwrite() {
return mkdirOverwrite;
}
public String getAppendBlobDirs() {
return this.azureAppendBlobDirs;
}

2
hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azurebfs/AzureBlobFileSystem.java
View File

@ -477,7 +477,7 @@ public boolean mkdirs(final Path f, final FsPermission permission) throws IOExce
statIncrement(DIRECTORIES_CREATED);
return true;
} catch (AzureBlobFileSystemException ex) {
checkException(f, ex, AzureServiceErrorCode.PATH_ALREADY_EXISTS);
checkException(f, ex);
return true;
}
}

5
hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azurebfs/AzureBlobFileSystemStore.java
View File

@ -634,7 +634,10 @@ public void createDirectory(final Path path, final FsPermission permission, fina
umask,
isNamespaceEnabled);
final AbfsRestOperation op = client.createPath(getRelativePath(path), false, true,
boolean overwrite =
!isNamespaceEnabled || abfsConfiguration.isEnabledMkdirOverwrite();
final AbfsRestOperation op = client.createPath(getRelativePath(path),
false, overwrite,
isNamespaceEnabled ? getOctalNotation(permission) : null,
isNamespaceEnabled ? getOctalNotation(umask) : null, false, null);
perfInfo.registerResult(op.getResult()).registerSuccess(true);

1
hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azurebfs/constants/ConfigurationKeys.java
View File

@ -83,6 +83,7 @@ public final class ConfigurationKeys {
* overwritten only if there is a match on the eTag of existing file.
*/
public static final String FS_AZURE_ENABLE_CONDITIONAL_CREATE_OVERWRITE = "fs.azure.enable.conditional.create.overwrite";
public static final String FS_AZURE_ENABLE_MKDIR_OVERWRITE = "fs.azure.enable.mkdir.overwrite";
/** Provides a config to provide comma separated path prefixes on which Appendblob based files are created
* Default is empty. **/
public static final String FS_AZURE_APPEND_BLOB_KEY = "fs.azure.appendblob.directories";

1
hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azurebfs/constants/FileSystemConfigurations.java
View File

@ -78,6 +78,7 @@ public final class FileSystemConfigurations {
public static final String DEFAULT_FS_AZURE_ATOMIC_RENAME_DIRECTORIES = "/hbase";
public static final boolean DEFAULT_FS_AZURE_ENABLE_CONDITIONAL_CREATE_OVERWRITE = true;
public static final boolean DEFAULT_FS_AZURE_ENABLE_MKDIR_OVERWRITE = true;
public static final String DEFAULT_FS_AZURE_APPEND_BLOB_DIRECTORIES = "";
public static final String DEFAULT_FS_AZURE_INFINITE_LEASE_DIRECTORIES = "";
public static final int DEFAULT_LEASE_THREADS = 0;

1
hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azurebfs/constants/HttpHeaderConfigurations.java
View File

@ -43,6 +43,7 @@ public final class HttpHeaderConfigurations {
public static final String USER_AGENT = "User-Agent";
public static final String X_HTTP_METHOD_OVERRIDE = "X-HTTP-Method-Override";
public static final String X_MS_CLIENT_REQUEST_ID = "x-ms-client-request-id";
public static final String X_MS_EXISTING_RESOURCE_TYPE = "x-ms-existing-resource-type";
public static final String X_MS_DATE = "x-ms-date";
public static final String X_MS_REQUEST_ID = "x-ms-request-id";
public static final String X_MS_VERSION = "x-ms-version";

11
hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azurebfs/services/AbfsClient.java
View File

@ -377,7 +377,18 @@ public AbfsRestOperation createPath(final String path, final boolean isFile, fin
HTTP_METHOD_PUT,
url,
requestHeaders);
try {
op.execute();
} catch (AzureBlobFileSystemException ex) {
if (!isFile && op.getResult().getStatusCode() == HttpURLConnection.HTTP_CONFLICT) {
String existingResource =
op.getResult().getResponseHeader(X_MS_EXISTING_RESOURCE_TYPE);
if (existingResource != null && existingResource.equals(DIRECTORY)) {
return op; //don't throw ex on mkdirs for existing directory
}
}
throw ex;
}
return op;
}

40
hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azurebfs/ITestAzureBlobFileSystemMkDir.java
View File

@ -20,15 +20,19 @@
import java.util.UUID;
import org.junit.Assume;
import org.junit.Test;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileAlreadyExistsException;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import static org.apache.hadoop.fs.contract.ContractTestUtils.assertMkdirs;
import static org.apache.hadoop.fs.azurebfs.AbfsStatistic.CONNECTIONS_MADE;
import static org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys.FS_AZURE_ENABLE_MKDIR_OVERWRITE;
import static org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations.DEFAULT_FS_AZURE_ENABLE_MKDIR_OVERWRITE;
import static org.apache.hadoop.fs.contract.ContractTestUtils.assertMkdirs;
import static org.apache.hadoop.test.LambdaTestUtils.intercept;
/**
* Test mkdir operation.
@ -41,12 +45,44 @@ public ITestAzureBlobFileSystemMkDir() throws Exception {
@Test
public void testCreateDirWithExistingDir() throws Exception {
Assume.assumeTrue(DEFAULT_FS_AZURE_ENABLE_MKDIR_OVERWRITE || !getFileSystem()
.getIsNamespaceEnabled());
final AzureBlobFileSystem fs = getFileSystem();
Path path = new Path("testFolder");
assertMkdirs(fs, path);
assertMkdirs(fs, path);
}
@Test
public void testMkdirExistingDirOverwriteFalse() throws Exception {
Assume.assumeFalse("Ignore test until default overwrite is set to false",
DEFAULT_FS_AZURE_ENABLE_MKDIR_OVERWRITE);
Assume.assumeTrue("Ignore test for Non-HNS accounts",
getFileSystem().getIsNamespaceEnabled());
//execute test only for HNS account with default overwrite=false
Configuration config = new Configuration(this.getRawConfiguration());
config.set(FS_AZURE_ENABLE_MKDIR_OVERWRITE, Boolean.toString(false));
AzureBlobFileSystem fs = getFileSystem(config);
Path path = new Path("testFolder");
assertMkdirs(fs, path); //checks that mkdirs returns true
long timeCreated = fs.getFileStatus(path).getModificationTime();
assertMkdirs(fs, path); //call to existing dir should return success
assertEquals("LMT should not be updated for existing dir", timeCreated,
fs.getFileStatus(path).getModificationTime());
}
@Test
public void createDirWithExistingFilename() throws Exception {
Assume.assumeFalse("Ignore test until default overwrite is set to false",
DEFAULT_FS_AZURE_ENABLE_MKDIR_OVERWRITE && getFileSystem()
.getIsNamespaceEnabled());
final AzureBlobFileSystem fs = getFileSystem();
Path path = new Path("testFilePath");
fs.create(path);
assertTrue(fs.getFileStatus(path).isFile());
intercept(FileAlreadyExistsException.class, () -> fs.mkdirs(path));
}
@Test
public void testCreateRoot() throws Exception {
assertMkdirs(getFileSystem(), new Path("/"));