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HADOOP-9361: Strictly define FileSystem APIs - OpenStack portion 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1607599 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Steve Loughran 2014-07-03 12:10:52 +00:00
parent b6fbaba8e9
commit becc23fb65
18 changed files with 424 additions and 22 deletions
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6
hadoop-tools/hadoop-openstack/src/main/java/org/apache/hadoop/fs/swift/snative/StrictBufferedFSInputStream.java
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@ -19,9 +19,11 @@
package org.apache.hadoop.fs.swift.snative;
import org.apache.hadoop.fs.BufferedFSInputStream;
import org.apache.hadoop.fs.FSExceptionMessages;
import org.apache.hadoop.fs.FSInputStream;
import org.apache.hadoop.fs.swift.exceptions.SwiftConnectionClosedException;
import java.io.EOFException;
import java.io.IOException;
/**
@ -37,10 +39,10 @@ public class StrictBufferedFSInputStream extends BufferedFSInputStream {
@Override
public void seek(long pos) throws IOException {
if (pos < 0) {
throw new IOException("Negative position");
throw new EOFException(FSExceptionMessages.NEGATIVE_SEEK);
}
if (in == null) {
throw new SwiftConnectionClosedException("Stream closed");
throw new SwiftConnectionClosedException(FSExceptionMessages.STREAM_IS_CLOSED);
}
super.seek(pos);
}

17
hadoop-tools/hadoop-openstack/src/main/java/org/apache/hadoop/fs/swift/snative/SwiftNativeFileSystem.java
View File

@ -25,14 +25,14 @@ import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.BlockLocation;
import org.apache.hadoop.fs.FSDataInputStream;
import org.apache.hadoop.fs.FSDataOutputStream;
import org.apache.hadoop.fs.FileAlreadyExistsException;
import org.apache.hadoop.fs.FileStatus;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.ParentNotDirectoryException;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.fs.permission.FsPermission;
import org.apache.hadoop.fs.swift.exceptions.SwiftConfigurationException;
import org.apache.hadoop.fs.swift.exceptions.SwiftNotDirectoryException;
import org.apache.hadoop.fs.swift.exceptions.SwiftOperationFailedException;
import org.apache.hadoop.fs.swift.exceptions.SwiftPathExistsException;
import org.apache.hadoop.fs.swift.exceptions.SwiftUnsupportedFeatureException;
import org.apache.hadoop.fs.swift.http.SwiftProtocolConstants;
import org.apache.hadoop.fs.swift.util.DurationStats;
@ -373,7 +373,7 @@ public class SwiftNativeFileSystem extends FileSystem {
* @param directory path to query
* @return true iff the directory should be created
* @throws IOException IO problems
* @throws SwiftNotDirectoryException if the path references a file
* @throws ParentNotDirectoryException if the path references a file
*/
private boolean shouldCreate(Path directory) throws IOException {
FileStatus fileStatus;
@ -388,9 +388,9 @@ public class SwiftNativeFileSystem extends FileSystem {
if (!SwiftUtils.isDirectory(fileStatus)) {
//if it's a file, raise an error
throw new SwiftNotDirectoryException(directory,
String.format(": can't mkdir since it exists and is not a directory: %s",
fileStatus));
throw new ParentNotDirectoryException(
String.format("%s: can't mkdir since it exists and is not a directory: %s",
directory, fileStatus));
} else {
//path exists, and it is a directory
if (LOG.isDebugEnabled()) {
@ -488,7 +488,7 @@ public class SwiftNativeFileSystem extends FileSystem {
//overwrite set -> delete the object.
store.delete(absolutePath, true);
} else {
throw new SwiftPathExistsException("Path exists: " + file);
throw new FileAlreadyExistsException("Path exists: " + file);
}
} else {
// destination does not exist -trigger creation of the parent
@ -580,6 +580,9 @@ public class SwiftNativeFileSystem extends FileSystem {
} catch (SwiftOperationFailedException e) {
//downgrade to a failure
return false;
} catch (FileAlreadyExistsException e) {
//downgrade to a failure
return false;
} catch (FileNotFoundException e) {
//downgrade to a failure
return false;

5
hadoop-tools/hadoop-openstack/src/main/java/org/apache/hadoop/fs/swift/snative/SwiftNativeFileSystemStore.java
View File

@ -22,6 +22,7 @@ import org.apache.commons.httpclient.HttpStatus;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileAlreadyExistsException;
import org.apache.hadoop.fs.FileStatus;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.fs.swift.exceptions.SwiftConfigurationException;
@ -590,7 +591,7 @@ public class SwiftNativeFileSystemStore {
} else {
//outcome #1 dest it's a file: fail if differeent
if (!renamingOnToSelf) {
throw new SwiftOperationFailedException(
throw new FileAlreadyExistsException(
"cannot rename a file over one that already exists");
} else {
//is mv self self where self is a file. this becomes a no-op
@ -633,7 +634,7 @@ public class SwiftNativeFileSystemStore {
if (destExists && !destIsDir) {
// #1 destination is a file: fail
throw new SwiftOperationFailedException(
throw new FileAlreadyExistsException(
"the source is a directory, but not the destination");
}
Path targetPath;

4
hadoop-tools/hadoop-openstack/src/main/java/org/apache/hadoop/fs/swift/snative/SwiftNativeInputStream.java
View File

@ -20,6 +20,7 @@ package org.apache.hadoop.fs.swift.snative;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.fs.FSExceptionMessages;
import org.apache.hadoop.fs.FSInputStream;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
@ -298,7 +299,8 @@ class SwiftNativeInputStream extends FSInputStream {
@Override
public synchronized void seek(long targetPos) throws IOException {
if (targetPos < 0) {
throw new IOException("Negative Seek offset not supported");
throw new EOFException(
FSExceptionMessages.NEGATIVE_SEEK);
}
//there's some special handling of near-local data
//as the seek can be omitted if it is in/adjacent

3
hadoop-tools/hadoop-openstack/src/main/java/org/apache/hadoop/fs/swift/snative/SwiftNativeOutputStream.java
View File

@ -22,6 +22,7 @@ import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.fs.swift.exceptions.SwiftConnectionClosedException;
import org.apache.hadoop.fs.swift.exceptions.SwiftException;
import org.apache.hadoop.fs.swift.exceptions.SwiftInternalStateException;
import org.apache.hadoop.fs.swift.util.SwiftUtils;
@ -109,7 +110,7 @@ class SwiftNativeOutputStream extends OutputStream {
*/
private synchronized void verifyOpen() throws SwiftException {
if (closed) {
throw new SwiftException("Output stream is closed");
throw new SwiftConnectionClosedException();
}
}

4
hadoop-tools/hadoop-openstack/src/test/java/org/apache/hadoop/fs/swift/TestSwiftFileSystemBasicOps.java
View File

@ -21,9 +21,9 @@ package org.apache.hadoop.fs.swift;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.fs.FileStatus;
import org.apache.hadoop.fs.ParentNotDirectoryException;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.fs.swift.exceptions.SwiftBadRequestException;
import org.apache.hadoop.fs.swift.exceptions.SwiftNotDirectoryException;
import org.apache.hadoop.fs.swift.snative.SwiftNativeFileSystem;
import org.apache.hadoop.fs.swift.util.SwiftTestUtils;
import org.junit.Test;
@ -245,7 +245,7 @@ public class TestSwiftFileSystemBasicOps extends SwiftFileSystemBaseTest {
writeTextFile(fs, path, "parent", true);
try {
fs.mkdirs(child);
} catch (SwiftNotDirectoryException expected) {
} catch (ParentNotDirectoryException expected) {
LOG.debug("Expected Exception", expected);
}
} finally {

15
hadoop-tools/hadoop-openstack/src/test/java/org/apache/hadoop/fs/swift/TestSwiftFileSystemContract.java
View File

@ -23,8 +23,8 @@ import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystemContractBaseTest;
import org.apache.hadoop.fs.ParentNotDirectoryException;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.fs.swift.exceptions.SwiftNotDirectoryException;
import org.apache.hadoop.fs.swift.snative.SwiftNativeFileSystem;
import org.apache.hadoop.fs.swift.util.SwiftTestUtils;
@ -47,6 +47,14 @@ public class TestSwiftFileSystemContract
private static final Log LOG =
LogFactory.getLog(TestSwiftFileSystemContract.class);
/**
* Override this if the filesystem is not case sensitive
* @return true if the case detection/preservation tests should run
*/
protected boolean filesystemIsCaseSensitive() {
return false;
}
@Override
protected void setUp() throws Exception {
final URI uri = getFilesystemURI();
@ -89,9 +97,8 @@ public class TestSwiftFileSystemContract
try {
fs.mkdirs(testSubDir);
fail("Should throw IOException.");
} catch (SwiftNotDirectoryException e) {
} catch (ParentNotDirectoryException e) {
// expected
assertEquals(filepath,e.getPath());
}
//now verify that the subdir path does not exist
SwiftTestUtils.assertPathDoesNotExist(fs, "subdir after mkdir", testSubDir);
@ -100,7 +107,7 @@ public class TestSwiftFileSystemContract
try {
fs.mkdirs(testDeepSubDir);
fail("Should throw IOException.");
} catch (SwiftNotDirectoryException e) {
} catch (ParentNotDirectoryException e) {
// expected
}
SwiftTestUtils.assertPathDoesNotExist(fs, "testDeepSubDir after mkdir",

7
hadoop-tools/hadoop-openstack/src/test/java/org/apache/hadoop/fs/swift/TestSwiftFileSystemRename.java
View File

@ -21,6 +21,7 @@ package org.apache.hadoop.fs.swift;
import org.apache.hadoop.fs.FSDataInputStream;
import org.apache.hadoop.fs.FSDataOutputStream;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.fs.swift.exceptions.SwiftOperationFailedException;
import org.apache.hadoop.fs.swift.util.SwiftTestUtils;
import org.junit.Test;
@ -220,7 +221,11 @@ public class TestSwiftFileSystemRename extends SwiftFileSystemBaseTest {
fs.mkdirs(testdir);
Path parent = testdir.getParent();
//the outcome here is ambiguous, so is not checked
fs.rename(testdir, parent);
try {
fs.rename(testdir, parent);
} catch (SwiftOperationFailedException e) {
// allowed
}
assertExists("Source directory has been deleted ", testdir);
}

44
hadoop-tools/hadoop-openstack/src/test/java/org/apache/hadoop/fs/swift/contract/SwiftContract.java Normal file
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@ -0,0 +1,44 @@
/*
* 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.
*/
package org.apache.hadoop.fs.swift.contract;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.contract.AbstractBondedFSContract;
import org.apache.hadoop.fs.swift.snative.SwiftNativeFileSystem;
/**
* The contract of OpenStack Swift: only enabled if the test binding data is provided
*/
public class SwiftContract extends AbstractBondedFSContract {
public static final String CONTRACT_XML = "contract/swift.xml";
public SwiftContract(Configuration conf) {
super(conf);
//insert the base features
addConfResource(CONTRACT_XML);
}
@Override
public String getScheme() {
return SwiftNativeFileSystem.SWIFT;
}
}

37
hadoop-tools/hadoop-openstack/src/test/java/org/apache/hadoop/fs/swift/contract/TestSwiftContractCreate.java Normal file
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@ -0,0 +1,37 @@
/*
* 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.
*/
package org.apache.hadoop.fs.swift.contract;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.contract.AbstractContractCreateTest;
import org.apache.hadoop.fs.contract.AbstractFSContract;
import org.apache.hadoop.fs.contract.ContractTestUtils;
public class TestSwiftContractCreate extends AbstractContractCreateTest {
@Override
protected AbstractFSContract createContract(Configuration conf) {
return new SwiftContract(conf);
}
@Override
public void testOverwriteEmptyDirectory() throws Throwable {
ContractTestUtils.skip("blobstores can't distinguish empty directories from files");
}
}

31
hadoop-tools/hadoop-openstack/src/test/java/org/apache/hadoop/fs/swift/contract/TestSwiftContractDelete.java Normal file
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@ -0,0 +1,31 @@
/*
* 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.
*/
package org.apache.hadoop.fs.swift.contract;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.contract.AbstractContractDeleteTest;
import org.apache.hadoop.fs.contract.AbstractFSContract;
public class TestSwiftContractDelete extends AbstractContractDeleteTest {
@Override
protected AbstractFSContract createContract(Configuration conf) {
return new SwiftContract(conf);
}
}

34
hadoop-tools/hadoop-openstack/src/test/java/org/apache/hadoop/fs/swift/contract/TestSwiftContractMkdir.java Normal file
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@ -0,0 +1,34 @@
/*
* 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.
*/
package org.apache.hadoop.fs.swift.contract;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.contract.AbstractContractMkdirTest;
import org.apache.hadoop.fs.contract.AbstractFSContract;
/**
* Test dir operations on S3
*/
public class TestSwiftContractMkdir extends AbstractContractMkdirTest {
@Override
protected AbstractFSContract createContract(Configuration conf) {
return new SwiftContract(conf);
}
}

42
hadoop-tools/hadoop-openstack/src/test/java/org/apache/hadoop/fs/swift/contract/TestSwiftContractOpen.java Normal file
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@ -0,0 +1,42 @@
/*
* 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.
*/
package org.apache.hadoop.fs.swift.contract;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.contract.AbstractContractOpenTest;
import org.apache.hadoop.fs.contract.AbstractFSContract;
import org.apache.hadoop.fs.contract.ContractTestUtils;
public class TestSwiftContractOpen extends AbstractContractOpenTest {
@Override
protected AbstractFSContract createContract(Configuration conf) {
return new SwiftContract(conf);
}
@Override
public void testOpenReadDir() throws Throwable {
ContractTestUtils.skip("Skipping object-store quirk");
}
@Override
public void testOpenReadDirWithChild() throws Throwable {
ContractTestUtils.skip("Skipping object-store quirk");
}
}

32
hadoop-tools/hadoop-openstack/src/test/java/org/apache/hadoop/fs/swift/contract/TestSwiftContractRename.java Normal file
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@ -0,0 +1,32 @@
/*
* 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.
*/
package org.apache.hadoop.fs.swift.contract;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.contract.AbstractContractRenameTest;
import org.apache.hadoop.fs.contract.AbstractFSContract;
public class TestSwiftContractRename extends AbstractContractRenameTest {
@Override
protected AbstractFSContract createContract(Configuration conf) {
return new SwiftContract(conf);
}
}

35
hadoop-tools/hadoop-openstack/src/test/java/org/apache/hadoop/fs/swift/contract/TestSwiftContractRootDir.java Normal file
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@ -0,0 +1,35 @@
/*
* 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.
*/
package org.apache.hadoop.fs.swift.contract;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.contract.AbstractContractRootDirectoryTest;
import org.apache.hadoop.fs.contract.AbstractFSContract;
/**
* root dir operations against an S3 bucket
*/
public class TestSwiftContractRootDir extends
AbstractContractRootDirectoryTest {
@Override
protected AbstractFSContract createContract(Configuration conf) {
return new SwiftContract(conf);
}
}

31
hadoop-tools/hadoop-openstack/src/test/java/org/apache/hadoop/fs/swift/contract/TestSwiftContractSeek.java Normal file
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@ -0,0 +1,31 @@
/*
* 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.
*/
package org.apache.hadoop.fs.swift.contract;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.contract.AbstractContractSeekTest;
import org.apache.hadoop.fs.contract.AbstractFSContract;
public class TestSwiftContractSeek extends AbstractContractSeekTest {
@Override
protected AbstractFSContract createContract(Configuration conf) {
return new SwiftContract(conf);
}
}

4
hadoop-tools/hadoop-openstack/src/test/java/org/apache/hadoop/fs/swift/hdfs2/TestV2LsOperations.java
View File

@ -111,7 +111,7 @@ public class TestV2LsOperations extends SwiftFileSystemBaseTest {
@Test(timeout = SWIFT_TEST_TIMEOUT)
public void testListFilesSubDir() throws Throwable {
createTestSubdirs();
Path dir = path("/test");
Path dir = path("/test/subdir");
Path child = new Path(dir, "text.txt");
SwiftTestUtils.writeTextFile(fs, child, "text", false);
assertListFilesFinds(fs, dir, child, false);
@ -120,7 +120,7 @@ public class TestV2LsOperations extends SwiftFileSystemBaseTest {
@Test(timeout = SWIFT_TEST_TIMEOUT)
public void testListFilesRecursive() throws Throwable {
createTestSubdirs();
Path dir = path("/test");
Path dir = path("/test/recursive");
Path child = new Path(dir, "hadoop/a/a.txt");
SwiftTestUtils.writeTextFile(fs, child, "text", false);
assertListFilesFinds(fs, dir, child, true);

95
hadoop-tools/hadoop-openstack/src/test/resources/contract/swift.xml Normal file
View File

@ -0,0 +1,95 @@
<!--
~ 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.
-->
<configuration>
<!--
Openstack Swift is a blobstore, with very different behavior than a
classic filesystem.
-->
<property>
<name>fs.contract.test.root-tests-enabled</name>
<value>true</value>
</property>
<property>
<name>fs.contract.test.random-seek-count</name>
<value>10</value>
</property>
<property>
<name>fs.contract.is-blobstore</name>
<value>true</value>
</property>
<property>
<name>fs.contract.is-case-sensitive</name>
<value>true</value>
</property>
<property>
<name>fs.contract.supports-append</name>
<value>false</value>
</property>
<property>
<name>fs.contract.supports-atomic-directory-delete</name>
<value>false</value>
</property>
<property>
<name>fs.contract.supports-atomic-rename</name>
<value>false</value>
</property>
<property>
<name>fs.contract.supports-block-locality</name>
<value>false</value>
</property>
<property>
<name>fs.contract.supports-concat</name>
<value>false</value>
</property>
<property>
<name>fs.contract.supports-seek</name>
<value>true</value>
</property>
<property>
<name>fs.contract.rejects-seek-past-eof</name>
<value>true</value>
</property>
<property>
<name>fs.contract.supports-strict-exceptions</name>
<value>true</value>
</property>
<property>
<name>fs.contract.supports-unix-permissions</name>
<value>false</value>
</property>
<property>
<name>fs.contract.rename-returns-false-if-source-missing</name>
<value>true</value>
</property>
</configuration>