HADOOP-14964. AliyunOSS: backport Aliyun OSS module to branch-2. Contributed
by Sammi Chen.
The consolidated commits in this backport are as follows:
HADOOP-14787. AliyunOSS: Implement the `createNonRecursive` operator.
HADOOP-14649. Update aliyun-sdk-oss version to 2.8.1. (Genmao Yu via
rchiang)
HADOOP-14194. Aliyun OSS should not use empty endpoint as default.
Contributed by Genmao Yu
HADOOP-14466. Remove useless document from
TestAliyunOSSFileSystemContract.java. Contributed by Chen Liang.
HADOOP-14458. Add missing imports to
TestAliyunOSSFileSystemContract.java. Contributed by Mingliang Liu.
HADOOP-14192. AliyunOSS FileSystem contract test should implement
getTestBaseDir(). Contributed by Mingliang Liu
HADOOP-14072. AliyunOSS: Failed to read from stream when seek beyond
the download size. Contributed by Genmao Yu
HADOOP-13769. AliyunOSS: update oss sdk version. Contributed by Genmao
Yu
HADOOP-14069. AliyunOSS: listStatus returns wrong file info.
Contributed by Fei Hui
HADOOP-13768. AliyunOSS: handle the failure in the batch delete
operation `deleteDirs`. Contributed by Genmao Yu
HADOOP-14065. AliyunOSS: oss directory filestatus should use meta time.
Contributed by Fei Hui
HADOOP-14045. Aliyun OSS documentation missing from website.
Contributed by Yiqun Lin.
HADOOP-13723. AliyunOSSInputStream#read() should update read bytes stat
correctly. Contributed by Mingliang Liu
HADOOP-13624. Rename TestAliyunOSSContractDispCp. Contributed by
Genmao Yu
HADOOP-13591. Unit test failure in TestOSSContractGetFileStatus and
TestOSSContractRootDir. Contributed by Genmao Yu
HADOOP-13481. User documents for Aliyun OSS FileSystem. Contributed by
Genmao Yu.
HADOOP-12756. Incorporate Aliyun OSS file system implementation.
Contributed by Mingfei Shi and Lin Zhou
(cherry picked from commit 30ab9b6aef2e3d31f2a8fc9211b5324b3d42f18e)
Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/b756beb6
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/b756beb6
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/b756beb6
Branch: refs/heads/branch-2.9
Commit: b756beb6793f1d283703749c1fab92a42325ef6e
Parents: 12901cd
Author: Sammi Chen <sammi.c...@intel.com>
Authored: Mon Nov 27 11:35:17 2017 +0800
Committer: Sammi Chen <sammi.c...@intel.com>
Committed: Mon Nov 27 11:35:17 2017 +0800
----------------------------------------------------------------------
hadoop-project/pom.xml | 22 +-
.../dev-support/findbugs-exclude.xml | 18 +
hadoop-tools/hadoop-aliyun/pom.xml | 147 +++++
.../aliyun/oss/AliyunCredentialsProvider.java | 87 +++
.../fs/aliyun/oss/AliyunOSSFileSystem.java | 608 +++++++++++++++++++
.../fs/aliyun/oss/AliyunOSSFileSystemStore.java | 549 +++++++++++++++++
.../fs/aliyun/oss/AliyunOSSInputStream.java | 262 ++++++++
.../fs/aliyun/oss/AliyunOSSOutputStream.java | 111 ++++
.../hadoop/fs/aliyun/oss/AliyunOSSUtils.java | 167 +++++
.../apache/hadoop/fs/aliyun/oss/Constants.java | 113 ++++
.../hadoop/fs/aliyun/oss/package-info.java | 22 +
.../site/markdown/tools/hadoop-aliyun/index.md | 294 +++++++++
.../fs/aliyun/oss/AliyunOSSTestUtils.java | 77 +++
.../fs/aliyun/oss/TestAliyunCredentials.java | 78 +++
.../oss/TestAliyunOSSFileSystemContract.java | 218 +++++++
.../oss/TestAliyunOSSFileSystemStore.java | 125 ++++
.../fs/aliyun/oss/TestAliyunOSSInputStream.java | 155 +++++
.../aliyun/oss/TestAliyunOSSOutputStream.java | 91 +++
.../aliyun/oss/contract/AliyunOSSContract.java | 49 ++
.../contract/TestAliyunOSSContractCreate.java | 35 ++
.../contract/TestAliyunOSSContractDelete.java | 34 ++
.../contract/TestAliyunOSSContractDistCp.java | 44 ++
.../TestAliyunOSSContractGetFileStatus.java | 35 ++
.../contract/TestAliyunOSSContractMkdir.java | 34 ++
.../oss/contract/TestAliyunOSSContractOpen.java | 34 ++
.../contract/TestAliyunOSSContractRename.java | 35 ++
.../contract/TestAliyunOSSContractRootDir.java | 69 +++
.../oss/contract/TestAliyunOSSContractSeek.java | 60 ++
.../src/test/resources/contract/aliyun-oss.xml | 120 ++++
.../src/test/resources/core-site.xml | 46 ++
.../src/test/resources/log4j.properties | 23 +
hadoop-tools/hadoop-tools-dist/pom.xml | 6 +
hadoop-tools/pom.xml | 1 +
33 files changed, 3768 insertions(+), 1 deletion(-)
----------------------------------------------------------------------
http://git-wip-us.apache.org/repos/asf/hadoop/blob/b756beb6/hadoop-project/pom.xml
----------------------------------------------------------------------
diff --git a/hadoop-project/pom.xml b/hadoop-project/pom.xml
index 4eac7d5..4bb640f 100644
--- a/hadoop-project/pom.xml
+++ b/hadoop-project/pom.xml
@@ -483,7 +483,11 @@
<artifactId>hadoop-aws</artifactId>
<version>${project.version}</version>
</dependency>
-
+ <dependency>
+ <groupId>org.apache.hadoop</groupId>
+ <artifactId>hadoop-aliyun</artifactId>
+ <version>${project.version}</version>
+ </dependency>
<dependency>
<groupId>org.apache.hadoop</groupId>
<artifactId>hadoop-kms</artifactId>
@@ -1078,6 +1082,22 @@
<version>2.9.1</version>
</dependency>
+ <dependency>
+ <groupId>com.aliyun.oss</groupId>
+ <artifactId>aliyun-sdk-oss</artifactId>
+ <version>2.8.1</version>
+ <exclusions>
+ <exclusion>
+ <groupId>org.apache.httpcomponents</groupId>
+ <artifactId>httpclient</artifactId>
+ </exclusion>
+ <exclusion>
+ <groupId>commons-beanutils</groupId>
+ <artifactId>commons-beanutils</artifactId>
+ </exclusion>
+ </exclusions>
+ </dependency>
+
<dependency>
<groupId>org.apache.curator</groupId>
<artifactId>curator-recipes</artifactId>
http://git-wip-us.apache.org/repos/asf/hadoop/blob/b756beb6/hadoop-tools/hadoop-aliyun/dev-support/findbugs-exclude.xml
----------------------------------------------------------------------
diff --git a/hadoop-tools/hadoop-aliyun/dev-support/findbugs-exclude.xml
b/hadoop-tools/hadoop-aliyun/dev-support/findbugs-exclude.xml
new file mode 100644
index 0000000..40d78d0
--- /dev/null
+++ b/hadoop-tools/hadoop-aliyun/dev-support/findbugs-exclude.xml
@@ -0,0 +1,18 @@
+<!--
+ 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.
+-->
+<FindBugsFilter>
+</FindBugsFilter>
http://git-wip-us.apache.org/repos/asf/hadoop/blob/b756beb6/hadoop-tools/hadoop-aliyun/pom.xml
----------------------------------------------------------------------
diff --git a/hadoop-tools/hadoop-aliyun/pom.xml
b/hadoop-tools/hadoop-aliyun/pom.xml
new file mode 100644
index 0000000..357786b
--- /dev/null
+++ b/hadoop-tools/hadoop-aliyun/pom.xml
@@ -0,0 +1,147 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ Licensed 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. See accompanying LICENSE file.
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0";
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
+ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
http://maven.apache.org/maven-v4_0_0.xsd";>
+ <modelVersion>4.0.0</modelVersion>
+ <parent>
+ <groupId>org.apache.hadoop</groupId>
+ <artifactId>hadoop-project</artifactId>
+ <version>2.9.1-SNAPSHOT</version>
+ <relativePath>../../hadoop-project</relativePath>
+ </parent>
+ <artifactId>hadoop-aliyun</artifactId>
+ <name>Apache Hadoop Aliyun OSS support</name>
+ <packaging>jar</packaging>
+
+ <properties>
+ <file.encoding>UTF-8</file.encoding>
+ <downloadSources>true</downloadSources>
+ </properties>
+
+ <profiles>
+ <profile>
+ <id>tests-off</id>
+ <activation>
+ <file>
+ <missing>src/test/resources/auth-keys.xml</missing>
+ </file>
+ </activation>
+ <properties>
+ <maven.test.skip>true</maven.test.skip>
+ </properties>
+ </profile>
+ <profile>
+ <id>tests-on</id>
+ <activation>
+ <file>
+ <exists>src/test/resources/auth-keys.xml</exists>
+ </file>
+ </activation>
+ <properties>
+ <maven.test.skip>false</maven.test.skip>
+ </properties>
+ </profile>
+ </profiles>
+
+ <build>
+ <plugins>
+ <plugin>
+ <groupId>org.codehaus.mojo</groupId>
+ <artifactId>findbugs-maven-plugin</artifactId>
+ <configuration>
+ <findbugsXmlOutput>true</findbugsXmlOutput>
+ <xmlOutput>true</xmlOutput>
+ <excludeFilterFile>${basedir}/dev-support/findbugs-exclude.xml
+ </excludeFilterFile>
+ <effort>Max</effort>
+ </configuration>
+ </plugin>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-surefire-plugin</artifactId>
+ <configuration>
+ <forkedProcessTimeoutInSeconds>3600</forkedProcessTimeoutInSeconds>
+ </configuration>
+ </plugin>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-dependency-plugin</artifactId>
+ <executions>
+ <execution>
+ <id>deplist</id>
+ <phase>compile</phase>
+ <goals>
+ <goal>list</goal>
+ </goals>
+ <configuration>
+ <!-- build a shellprofile -->
+
<outputFile>${project.basedir}/target/hadoop-tools-deps/${project.artifactId}.tools-optional.txt</outputFile>
+ </configuration>
+ </execution>
+ </executions>
+ </plugin>
+ </plugins>
+ </build>
+
+ <dependencies>
+ <dependency>
+ <groupId>junit</groupId>
+ <artifactId>junit</artifactId>
+ <scope>test</scope>
+ </dependency>
+
+ <dependency>
+ <groupId>com.aliyun.oss</groupId>
+ <artifactId>aliyun-sdk-oss</artifactId>
+ <scope>compile</scope>
+ </dependency>
+
+ <dependency>
+ <groupId>org.apache.hadoop</groupId>
+ <artifactId>hadoop-common</artifactId>
+ <scope>compile</scope>
+ </dependency>
+
+ <dependency>
+ <groupId>org.apache.hadoop</groupId>
+ <artifactId>hadoop-common</artifactId>
+ <scope>test</scope>
+ <type>test-jar</type>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.hadoop</groupId>
+ <artifactId>hadoop-distcp</artifactId>
+ <scope>test</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.hadoop</groupId>
+ <artifactId>hadoop-distcp</artifactId>
+ <version>${project.version}</version>
+ <scope>test</scope>
+ <type>test-jar</type>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.hadoop</groupId>
+ <artifactId>hadoop-yarn-server-tests</artifactId>
+ <scope>test</scope>
+ <type>test-jar</type>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.hadoop</groupId>
+ <artifactId>hadoop-mapreduce-client-jobclient</artifactId>
+ <scope>test</scope>
+ </dependency>
+ </dependencies>
+</project>
http://git-wip-us.apache.org/repos/asf/hadoop/blob/b756beb6/hadoop-tools/hadoop-aliyun/src/main/java/org/apache/hadoop/fs/aliyun/oss/AliyunCredentialsProvider.java
----------------------------------------------------------------------
diff --git
a/hadoop-tools/hadoop-aliyun/src/main/java/org/apache/hadoop/fs/aliyun/oss/AliyunCredentialsProvider.java
b/hadoop-tools/hadoop-aliyun/src/main/java/org/apache/hadoop/fs/aliyun/oss/AliyunCredentialsProvider.java
new file mode 100644
index 0000000..b46c67a
--- /dev/null
+++
b/hadoop-tools/hadoop-aliyun/src/main/java/org/apache/hadoop/fs/aliyun/oss/AliyunCredentialsProvider.java
@@ -0,0 +1,87 @@
+/**
+ * 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.aliyun.oss;
+
+import com.aliyun.oss.common.auth.Credentials;
+import com.aliyun.oss.common.auth.CredentialsProvider;
+import com.aliyun.oss.common.auth.DefaultCredentials;
+import com.aliyun.oss.common.auth.InvalidCredentialsException;
+import org.apache.commons.lang.StringUtils;
+import org.apache.hadoop.conf.Configuration;
+
+import java.io.IOException;
+
+import static org.apache.hadoop.fs.aliyun.oss.Constants.*;
+
+/**
+ * Support session credentials for authenticating with Aliyun.
+ */
+public class AliyunCredentialsProvider implements CredentialsProvider {
+ private Credentials credentials = null;
+
+ public AliyunCredentialsProvider(Configuration conf)
+ throws IOException {
+ String accessKeyId;
+ String accessKeySecret;
+ String securityToken;
+ try {
+ accessKeyId = AliyunOSSUtils.getValueWithKey(conf, ACCESS_KEY_ID);
+ accessKeySecret = AliyunOSSUtils.getValueWithKey(conf,
ACCESS_KEY_SECRET);
+ } catch (IOException e) {
+ throw new InvalidCredentialsException(e);
+ }
+
+ try {
+ securityToken = AliyunOSSUtils.getValueWithKey(conf, SECURITY_TOKEN);
+ } catch (IOException e) {
+ securityToken = null;
+ }
+
+ if (StringUtils.isEmpty(accessKeyId)
+ || StringUtils.isEmpty(accessKeySecret)) {
+ throw new InvalidCredentialsException(
+ "AccessKeyId and AccessKeySecret should not be null or empty.");
+ }
+
+ if (StringUtils.isNotEmpty(securityToken)) {
+ credentials = new DefaultCredentials(accessKeyId, accessKeySecret,
+ securityToken);
+ } else {
+ credentials = new DefaultCredentials(accessKeyId, accessKeySecret);
+ }
+ }
+
+ @Override
+ public void setCredentials(Credentials creds) {
+ if (creds == null) {
+ throw new InvalidCredentialsException("Credentials should not be null.");
+ }
+
+ credentials = creds;
+ }
+
+ @Override
+ public Credentials getCredentials() {
+ if (credentials == null) {
+ throw new InvalidCredentialsException("Invalid credentials");
+ }
+
+ return credentials;
+ }
+}
http://git-wip-us.apache.org/repos/asf/hadoop/blob/b756beb6/hadoop-tools/hadoop-aliyun/src/main/java/org/apache/hadoop/fs/aliyun/oss/AliyunOSSFileSystem.java
----------------------------------------------------------------------
diff --git
a/hadoop-tools/hadoop-aliyun/src/main/java/org/apache/hadoop/fs/aliyun/oss/AliyunOSSFileSystem.java
b/hadoop-tools/hadoop-aliyun/src/main/java/org/apache/hadoop/fs/aliyun/oss/AliyunOSSFileSystem.java
new file mode 100644
index 0000000..3561b02
--- /dev/null
+++
b/hadoop-tools/hadoop-aliyun/src/main/java/org/apache/hadoop/fs/aliyun/oss/AliyunOSSFileSystem.java
@@ -0,0 +1,608 @@
+/**
+ * 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.aliyun.oss;
+
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.net.URI;
+import java.util.ArrayList;
+import java.util.EnumSet;
+import java.util.List;
+
+import org.apache.commons.collections.CollectionUtils;
+import org.apache.commons.lang.StringUtils;
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.fs.CreateFlag;
+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.Path;
+import org.apache.hadoop.fs.PathIOException;
+import org.apache.hadoop.fs.permission.FsPermission;
+import org.apache.hadoop.util.Progressable;
+
+import com.aliyun.oss.model.OSSObjectSummary;
+import com.aliyun.oss.model.ObjectListing;
+import com.aliyun.oss.model.ObjectMetadata;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import static org.apache.hadoop.fs.aliyun.oss.Constants.*;
+
+/**
+ * Implementation of {@link FileSystem} for <a href="https://oss.aliyun.com";>
+ * Aliyun OSS</a>, used to access OSS blob system in a filesystem style.
+ */
+public class AliyunOSSFileSystem extends FileSystem {
+ private static final Logger LOG =
+ LoggerFactory.getLogger(AliyunOSSFileSystem.class);
+ private URI uri;
+ private String bucket;
+ private Path workingDir;
+ private AliyunOSSFileSystemStore store;
+ private int maxKeys;
+
+ @Override
+ public FSDataOutputStream append(Path path, int bufferSize,
+ Progressable progress) throws IOException {
+ throw new IOException("Append is not supported!");
+ }
+
+ @Override
+ public void close() throws IOException {
+ try {
+ store.close();
+ } finally {
+ super.close();
+ }
+ }
+
+ @Override
+ public FSDataOutputStream create(Path path, FsPermission permission,
+ boolean overwrite, int bufferSize, short replication, long blockSize,
+ Progressable progress) throws IOException {
+ String key = pathToKey(path);
+ FileStatus status = null;
+
+ try {
+ // get the status or throw a FNFE
+ status = getFileStatus(path);
+
+ // if the thread reaches here, there is something at the path
+ if (status.isDirectory()) {
+ // path references a directory
+ throw new FileAlreadyExistsException(path + " is a directory");
+ }
+ if (!overwrite) {
+ // path references a file and overwrite is disabled
+ throw new FileAlreadyExistsException(path + " already exists");
+ }
+ LOG.debug("Overwriting file {}", path);
+ } catch (FileNotFoundException e) {
+ // this means the file is not found
+ }
+
+ return new FSDataOutputStream(new AliyunOSSOutputStream(getConf(),
+ store, key, progress, statistics), (Statistics)(null));
+ }
+
+ /**
+ * {@inheritDoc}
+ * @throws FileNotFoundException if the parent directory is not present -or
+ * is not a directory.
+ */
+ @Override
+ public FSDataOutputStream createNonRecursive(Path path,
+ FsPermission permission,
+ EnumSet<CreateFlag> flags,
+ int bufferSize,
+ short replication,
+ long blockSize,
+ Progressable progress) throws IOException {
+ Path parent = path.getParent();
+ if (parent != null) {
+ // expect this to raise an exception if there is no parent
+ if (!getFileStatus(parent).isDirectory()) {
+ throw new FileAlreadyExistsException("Not a directory: " + parent);
+ }
+ }
+ return create(path, permission,
+ flags.contains(CreateFlag.OVERWRITE), bufferSize,
+ replication, blockSize, progress);
+ }
+
+ @Override
+ public boolean delete(Path path, boolean recursive) throws IOException {
+ try {
+ return innerDelete(getFileStatus(path), recursive);
+ } catch (FileNotFoundException e) {
+ LOG.debug("Couldn't delete {} - does not exist", path);
+ return false;
+ }
+ }
+
+ /**
+ * Delete an object. See {@link #delete(Path, boolean)}.
+ *
+ * @param status fileStatus object
+ * @param recursive if path is a directory and set to
+ * true, the directory is deleted else throws an exception. In
+ * case of a file the recursive can be set to either true or false.
+ * @return true if delete is successful else false.
+ * @throws IOException due to inability to delete a directory or file.
+ */
+ private boolean innerDelete(FileStatus status, boolean recursive)
+ throws IOException {
+ Path f = status.getPath();
+ String p = f.toUri().getPath();
+ FileStatus[] statuses;
+ // indicating root directory "/".
+ if (p.equals("/")) {
+ statuses = listStatus(status.getPath());
+ boolean isEmptyDir = statuses.length <= 0;
+ return rejectRootDirectoryDelete(isEmptyDir, recursive);
+ }
+
+ String key = pathToKey(f);
+ if (status.isDirectory()) {
+ if (!recursive) {
+ // Check whether it is an empty directory or not
+ statuses = listStatus(status.getPath());
+ if (statuses.length > 0) {
+ throw new IOException("Cannot remove directory " + f +
+ ": It is not empty!");
+ } else {
+ // Delete empty directory without '-r'
+ key = AliyunOSSUtils.maybeAddTrailingSlash(key);
+ store.deleteObject(key);
+ }
+ } else {
+ store.deleteDirs(key);
+ }
+ } else {
+ store.deleteObject(key);
+ }
+
+ createFakeDirectoryIfNecessary(f);
+ return true;
+ }
+
+ /**
+ * Implements the specific logic to reject root directory deletion.
+ * The caller must return the result of this call, rather than
+ * attempt to continue with the delete operation: deleting root
+ * directories is never allowed. This method simply implements
+ * the policy of when to return an exit code versus raise an exception.
+ * @param isEmptyDir empty directory or not
+ * @param recursive recursive flag from command
+ * @return a return code for the operation
+ * @throws PathIOException if the operation was explicitly rejected.
+ */
+ private boolean rejectRootDirectoryDelete(boolean isEmptyDir,
+ boolean recursive) throws IOException {
+ LOG.info("oss delete the {} root directory of {}", bucket, recursive);
+ if (isEmptyDir) {
+ return true;
+ }
+ if (recursive) {
+ return false;
+ } else {
+ // reject
+ throw new PathIOException(bucket, "Cannot delete root path");
+ }
+ }
+
+ private void createFakeDirectoryIfNecessary(Path f) throws IOException {
+ String key = pathToKey(f);
+ if (StringUtils.isNotEmpty(key) && !exists(f)) {
+ LOG.debug("Creating new fake directory at {}", f);
+ mkdir(pathToKey(f.getParent()));
+ }
+ }
+
+ @Override
+ public FileStatus getFileStatus(Path path) throws IOException {
+ Path qualifiedPath = path.makeQualified(uri, workingDir);
+ String key = pathToKey(qualifiedPath);
+
+ // Root always exists
+ if (key.length() == 0) {
+ return new FileStatus(0, true, 1, 0, 0, qualifiedPath);
+ }
+
+ ObjectMetadata meta = store.getObjectMetadata(key);
+ // If key not found and key does not end with "/"
+ if (meta == null && !key.endsWith("/")) {
+ // In case of 'dir + "/"'
+ key += "/";
+ meta = store.getObjectMetadata(key);
+ }
+ if (meta == null) {
+ ObjectListing listing = store.listObjects(key, 1, null, false);
+ if (CollectionUtils.isNotEmpty(listing.getObjectSummaries()) ||
+ CollectionUtils.isNotEmpty(listing.getCommonPrefixes())) {
+ return new FileStatus(0, true, 1, 0, 0, qualifiedPath);
+ } else {
+ throw new FileNotFoundException(path + ": No such file or directory!");
+ }
+ } else if (objectRepresentsDirectory(key, meta.getContentLength())) {
+ return new FileStatus(0, true, 1, 0, meta.getLastModified().getTime(),
+ qualifiedPath);
+ } else {
+ return new FileStatus(meta.getContentLength(), false, 1,
+ getDefaultBlockSize(path), meta.getLastModified().getTime(),
+ qualifiedPath);
+ }
+ }
+
+ @Override
+ public String getScheme() {
+ return "oss";
+ }
+
+ @Override
+ public URI getUri() {
+ return uri;
+ }
+
+ @Override
+ public Path getWorkingDirectory() {
+ return workingDir;
+ }
+
+ @Deprecated
+ public long getDefaultBlockSize() {
+ return getConf().getLong(FS_OSS_BLOCK_SIZE_KEY, FS_OSS_BLOCK_SIZE_DEFAULT);
+ }
+
+ @Override
+ public String getCanonicalServiceName() {
+ // Does not support Token
+ return null;
+ }
+
+ /**
+ * Initialize new FileSystem.
+ *
+ * @param name the uri of the file system, including host, port, etc.
+ * @param conf configuration of the file system
+ * @throws IOException IO problems
+ */
+ public void initialize(URI name, Configuration conf) throws IOException {
+ super.initialize(name, conf);
+
+ bucket = name.getHost();
+ uri = java.net.URI.create(name.getScheme() + "://" + name.getAuthority());
+ workingDir = new Path("/user",
+ System.getProperty("user.name")).makeQualified(uri, null);
+
+ store = new AliyunOSSFileSystemStore();
+ store.initialize(name, conf, statistics);
+ maxKeys = conf.getInt(MAX_PAGING_KEYS_KEY, MAX_PAGING_KEYS_DEFAULT);
+ setConf(conf);
+ }
+
+ /**
+ * Check if OSS object represents a directory.
+ *
+ * @param name object key
+ * @param size object content length
+ * @return true if object represents a directory
+ */
+ private boolean objectRepresentsDirectory(final String name,
+ final long size) {
+ return StringUtils.isNotEmpty(name) && name.endsWith("/") && size == 0L;
+ }
+
+ /**
+ * Turn a path (relative or otherwise) into an OSS key.
+ *
+ * @param path the path of the file.
+ * @return the key of the object that represents the file.
+ */
+ private String pathToKey(Path path) {
+ if (!path.isAbsolute()) {
+ path = new Path(workingDir, path);
+ }
+
+ return path.toUri().getPath().substring(1);
+ }
+
+ private Path keyToPath(String key) {
+ return new Path("/" + key);
+ }
+
+ @Override
+ public FileStatus[] listStatus(Path path) throws IOException {
+ String key = pathToKey(path);
+ if (LOG.isDebugEnabled()) {
+ LOG.debug("List status for path: " + path);
+ }
+
+ final List<FileStatus> result = new ArrayList<FileStatus>();
+ final FileStatus fileStatus = getFileStatus(path);
+
+ if (fileStatus.isDirectory()) {
+ if (LOG.isDebugEnabled()) {
+ LOG.debug("listStatus: doing listObjects for directory " + key);
+ }
+
+ ObjectListing objects = store.listObjects(key, maxKeys, null, false);
+ while (true) {
+ statistics.incrementReadOps(1);
+ for (OSSObjectSummary objectSummary : objects.getObjectSummaries()) {
+ String objKey = objectSummary.getKey();
+ if (objKey.equals(key + "/")) {
+ if (LOG.isDebugEnabled()) {
+ LOG.debug("Ignoring: " + objKey);
+ }
+ continue;
+ } else {
+ Path keyPath = keyToPath(objectSummary.getKey())
+ .makeQualified(uri, workingDir);
+ if (LOG.isDebugEnabled()) {
+ LOG.debug("Adding: fi: " + keyPath);
+ }
+ result.add(new FileStatus(objectSummary.getSize(), false, 1,
+ getDefaultBlockSize(keyPath),
+ objectSummary.getLastModified().getTime(), keyPath));
+ }
+ }
+
+ for (String prefix : objects.getCommonPrefixes()) {
+ if (prefix.equals(key + "/")) {
+ if (LOG.isDebugEnabled()) {
+ LOG.debug("Ignoring: " + prefix);
+ }
+ continue;
+ } else {
+ Path keyPath = keyToPath(prefix).makeQualified(uri, workingDir);
+ if (LOG.isDebugEnabled()) {
+ LOG.debug("Adding: rd: " + keyPath);
+ }
+ result.add(getFileStatus(keyPath));
+ }
+ }
+
+ if (objects.isTruncated()) {
+ if (LOG.isDebugEnabled()) {
+ LOG.debug("listStatus: list truncated - getting next batch");
+ }
+ String nextMarker = objects.getNextMarker();
+ objects = store.listObjects(key, maxKeys, nextMarker, false);
+ statistics.incrementReadOps(1);
+ } else {
+ break;
+ }
+ }
+ } else {
+ if (LOG.isDebugEnabled()) {
+ LOG.debug("Adding: rd (not a dir): " + path);
+ }
+ result.add(fileStatus);
+ }
+
+ return result.toArray(new FileStatus[result.size()]);
+ }
+
+ /**
+ * Used to create an empty file that represents an empty directory.
+ *
+ * @param key directory path
+ * @return true if directory is successfully created
+ * @throws IOException
+ */
+ private boolean mkdir(final String key) throws IOException {
+ String dirName = key;
+ if (StringUtils.isNotEmpty(key)) {
+ if (!key.endsWith("/")) {
+ dirName += "/";
+ }
+ store.storeEmptyFile(dirName);
+ }
+ return true;
+ }
+
+ @Override
+ public boolean mkdirs(Path path, FsPermission permission)
+ throws IOException {
+ try {
+ FileStatus fileStatus = getFileStatus(path);
+
+ if (fileStatus.isDirectory()) {
+ return true;
+ } else {
+ throw new FileAlreadyExistsException("Path is a file: " + path);
+ }
+ } catch (FileNotFoundException e) {
+ validatePath(path);
+ String key = pathToKey(path);
+ return mkdir(key);
+ }
+ }
+
+ /**
+ * Check whether the path is a valid path.
+ *
+ * @param path the path to be checked.
+ * @throws IOException
+ */
+ private void validatePath(Path path) throws IOException {
+ Path fPart = path.getParent();
+ do {
+ try {
+ FileStatus fileStatus = getFileStatus(fPart);
+ if (fileStatus.isDirectory()) {
+ // If path exists and a directory, exit
+ break;
+ } else {
+ throw new FileAlreadyExistsException(String.format(
+ "Can't make directory for path '%s', it is a file.", fPart));
+ }
+ } catch (FileNotFoundException fnfe) {
+ }
+ fPart = fPart.getParent();
+ } while (fPart != null);
+ }
+
+ @Override
+ public FSDataInputStream open(Path path, int bufferSize) throws IOException {
+ final FileStatus fileStatus = getFileStatus(path);
+ if (fileStatus.isDirectory()) {
+ throw new FileNotFoundException("Can't open " + path +
+ " because it is a directory");
+ }
+
+ return new FSDataInputStream(new AliyunOSSInputStream(getConf(), store,
+ pathToKey(path), fileStatus.getLen(), statistics));
+ }
+
+ @Override
+ public boolean rename(Path srcPath, Path dstPath) throws IOException {
+ if (srcPath.isRoot()) {
+ // Cannot rename root of file system
+ if (LOG.isDebugEnabled()) {
+ LOG.debug("Cannot rename the root of a filesystem");
+ }
+ return false;
+ }
+ Path parent = dstPath.getParent();
+ while (parent != null && !srcPath.equals(parent)) {
+ parent = parent.getParent();
+ }
+ if (parent != null) {
+ return false;
+ }
+ FileStatus srcStatus = getFileStatus(srcPath);
+ FileStatus dstStatus;
+ try {
+ dstStatus = getFileStatus(dstPath);
+ } catch (FileNotFoundException fnde) {
+ dstStatus = null;
+ }
+ if (dstStatus == null) {
+ // If dst doesn't exist, check whether dst dir exists or not
+ dstStatus = getFileStatus(dstPath.getParent());
+ if (!dstStatus.isDirectory()) {
+ throw new IOException(String.format(
+ "Failed to rename %s to %s, %s is a file", srcPath, dstPath,
+ dstPath.getParent()));
+ }
+ } else {
+ if (srcStatus.getPath().equals(dstStatus.getPath())) {
+ return !srcStatus.isDirectory();
+ } else if (dstStatus.isDirectory()) {
+ // If dst is a directory
+ dstPath = new Path(dstPath, srcPath.getName());
+ FileStatus[] statuses;
+ try {
+ statuses = listStatus(dstPath);
+ } catch (FileNotFoundException fnde) {
+ statuses = null;
+ }
+ if (statuses != null && statuses.length > 0) {
+ // If dst exists and not a directory / not empty
+ throw new FileAlreadyExistsException(String.format(
+ "Failed to rename %s to %s, file already exists or not empty!",
+ srcPath, dstPath));
+ }
+ } else {
+ // If dst is not a directory
+ throw new FileAlreadyExistsException(String.format(
+ "Failed to rename %s to %s, file already exists!", srcPath,
+ dstPath));
+ }
+ }
+ if (srcStatus.isDirectory()) {
+ copyDirectory(srcPath, dstPath);
+ } else {
+ copyFile(srcPath, dstPath);
+ }
+
+ return srcPath.equals(dstPath) || delete(srcPath, true);
+ }
+
+ /**
+ * Copy file from source path to destination path.
+ * (the caller should make sure srcPath is a file and dstPath is valid)
+ *
+ * @param srcPath source path.
+ * @param dstPath destination path.
+ * @return true if file is successfully copied.
+ */
+ private boolean copyFile(Path srcPath, Path dstPath) {
+ String srcKey = pathToKey(srcPath);
+ String dstKey = pathToKey(dstPath);
+ return store.copyFile(srcKey, dstKey);
+ }
+
+ /**
+ * Copy a directory from source path to destination path.
+ * (the caller should make sure srcPath is a directory, and dstPath is valid)
+ *
+ * @param srcPath source path.
+ * @param dstPath destination path.
+ * @return true if directory is successfully copied.
+ */
+ private boolean copyDirectory(Path srcPath, Path dstPath) throws IOException
{
+ String srcKey = AliyunOSSUtils
+ .maybeAddTrailingSlash(pathToKey(srcPath));
+ String dstKey = AliyunOSSUtils
+ .maybeAddTrailingSlash(pathToKey(dstPath));
+
+ if (dstKey.startsWith(srcKey)) {
+ if (LOG.isDebugEnabled()) {
+ LOG.debug("Cannot rename a directory to a subdirectory of self");
+ }
+ return false;
+ }
+
+ store.storeEmptyFile(dstKey);
+ ObjectListing objects = store.listObjects(srcKey, maxKeys, null, true);
+ statistics.incrementReadOps(1);
+ // Copy files from src folder to dst
+ while (true) {
+ for (OSSObjectSummary objectSummary : objects.getObjectSummaries()) {
+ String newKey =
+ dstKey.concat(objectSummary.getKey().substring(srcKey.length()));
+ store.copyFile(objectSummary.getKey(), newKey);
+ }
+ if (objects.isTruncated()) {
+ String nextMarker = objects.getNextMarker();
+ objects = store.listObjects(srcKey, maxKeys, nextMarker, true);
+ statistics.incrementReadOps(1);
+ } else {
+ break;
+ }
+ }
+ return true;
+ }
+
+ @Override
+ public void setWorkingDirectory(Path dir) {
+ this.workingDir = dir;
+ }
+
+ public AliyunOSSFileSystemStore getStore() {
+ return store;
+ }
+}
http://git-wip-us.apache.org/repos/asf/hadoop/blob/b756beb6/hadoop-tools/hadoop-aliyun/src/main/java/org/apache/hadoop/fs/aliyun/oss/AliyunOSSFileSystemStore.java
----------------------------------------------------------------------
diff --git
a/hadoop-tools/hadoop-aliyun/src/main/java/org/apache/hadoop/fs/aliyun/oss/AliyunOSSFileSystemStore.java
b/hadoop-tools/hadoop-aliyun/src/main/java/org/apache/hadoop/fs/aliyun/oss/AliyunOSSFileSystemStore.java
new file mode 100644
index 0000000..aba3db8
--- /dev/null
+++
b/hadoop-tools/hadoop-aliyun/src/main/java/org/apache/hadoop/fs/aliyun/oss/AliyunOSSFileSystemStore.java
@@ -0,0 +1,549 @@
+/**
+ * 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
+ * <p/>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p/>
+ * 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.aliyun.oss;
+
+import com.aliyun.oss.ClientConfiguration;
+import com.aliyun.oss.ClientException;
+import com.aliyun.oss.OSSClient;
+import com.aliyun.oss.OSSException;
+import com.aliyun.oss.common.auth.CredentialsProvider;
+import com.aliyun.oss.common.comm.Protocol;
+import com.aliyun.oss.model.AbortMultipartUploadRequest;
+import com.aliyun.oss.model.CannedAccessControlList;
+import com.aliyun.oss.model.CompleteMultipartUploadRequest;
+import com.aliyun.oss.model.CompleteMultipartUploadResult;
+import com.aliyun.oss.model.CopyObjectResult;
+import com.aliyun.oss.model.DeleteObjectsRequest;
+import com.aliyun.oss.model.DeleteObjectsResult;
+import com.aliyun.oss.model.GetObjectRequest;
+import com.aliyun.oss.model.InitiateMultipartUploadRequest;
+import com.aliyun.oss.model.InitiateMultipartUploadResult;
+import com.aliyun.oss.model.ListObjectsRequest;
+import com.aliyun.oss.model.ObjectMetadata;
+import com.aliyun.oss.model.ObjectListing;
+import com.aliyun.oss.model.OSSObjectSummary;
+import com.aliyun.oss.model.PartETag;
+import com.aliyun.oss.model.PutObjectResult;
+import com.aliyun.oss.model.UploadPartCopyRequest;
+import com.aliyun.oss.model.UploadPartCopyResult;
+import com.aliyun.oss.model.UploadPartRequest;
+import com.aliyun.oss.model.UploadPartResult;
+import org.apache.commons.collections.CollectionUtils;
+import org.apache.commons.lang.StringUtils;
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.fs.FileSystem;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.ByteArrayInputStream;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.URI;
+import java.util.ArrayList;
+import java.util.List;
+
+import static org.apache.hadoop.fs.aliyun.oss.Constants.*;
+
+/**
+ * Core implementation of Aliyun OSS Filesystem for Hadoop.
+ * Provides the bridging logic between Hadoop's abstract filesystem and
+ * Aliyun OSS.
+ */
+public class AliyunOSSFileSystemStore {
+ public static final Logger LOG =
+ LoggerFactory.getLogger(AliyunOSSFileSystemStore.class);
+ private FileSystem.Statistics statistics;
+ private OSSClient ossClient;
+ private String bucketName;
+ private long uploadPartSize;
+ private long multipartThreshold;
+ private long partSize;
+ private int maxKeys;
+ private String serverSideEncryptionAlgorithm;
+
+ public void initialize(URI uri, Configuration conf,
+ FileSystem.Statistics stat) throws IOException {
+ statistics = stat;
+ ClientConfiguration clientConf = new ClientConfiguration();
+ clientConf.setMaxConnections(conf.getInt(MAXIMUM_CONNECTIONS_KEY,
+ MAXIMUM_CONNECTIONS_DEFAULT));
+ boolean secureConnections = conf.getBoolean(SECURE_CONNECTIONS_KEY,
+ SECURE_CONNECTIONS_DEFAULT);
+ clientConf.setProtocol(secureConnections ? Protocol.HTTPS : Protocol.HTTP);
+ clientConf.setMaxErrorRetry(conf.getInt(MAX_ERROR_RETRIES_KEY,
+ MAX_ERROR_RETRIES_DEFAULT));
+ clientConf.setConnectionTimeout(conf.getInt(ESTABLISH_TIMEOUT_KEY,
+ ESTABLISH_TIMEOUT_DEFAULT));
+ clientConf.setSocketTimeout(conf.getInt(SOCKET_TIMEOUT_KEY,
+ SOCKET_TIMEOUT_DEFAULT));
+
+ String proxyHost = conf.getTrimmed(PROXY_HOST_KEY, "");
+ int proxyPort = conf.getInt(PROXY_PORT_KEY, -1);
+ if (StringUtils.isNotEmpty(proxyHost)) {
+ clientConf.setProxyHost(proxyHost);
+ if (proxyPort >= 0) {
+ clientConf.setProxyPort(proxyPort);
+ } else {
+ if (secureConnections) {
+ LOG.warn("Proxy host set without port. Using HTTPS default 443");
+ clientConf.setProxyPort(443);
+ } else {
+ LOG.warn("Proxy host set without port. Using HTTP default 80");
+ clientConf.setProxyPort(80);
+ }
+ }
+ String proxyUsername = conf.getTrimmed(PROXY_USERNAME_KEY);
+ String proxyPassword = conf.getTrimmed(PROXY_PASSWORD_KEY);
+ if ((proxyUsername == null) != (proxyPassword == null)) {
+ String msg = "Proxy error: " + PROXY_USERNAME_KEY + " or " +
+ PROXY_PASSWORD_KEY + " set without the other.";
+ LOG.error(msg);
+ throw new IllegalArgumentException(msg);
+ }
+ clientConf.setProxyUsername(proxyUsername);
+ clientConf.setProxyPassword(proxyPassword);
+ clientConf.setProxyDomain(conf.getTrimmed(PROXY_DOMAIN_KEY));
+ clientConf.setProxyWorkstation(conf.getTrimmed(PROXY_WORKSTATION_KEY));
+ } else if (proxyPort >= 0) {
+ String msg = "Proxy error: " + PROXY_PORT_KEY + " set without " +
+ PROXY_HOST_KEY;
+ LOG.error(msg);
+ throw new IllegalArgumentException(msg);
+ }
+
+ String endPoint = conf.getTrimmed(ENDPOINT_KEY, "");
+ if (StringUtils.isEmpty(endPoint)) {
+ throw new IllegalArgumentException("Aliyun OSS endpoint should not be " +
+ "null or empty. Please set proper endpoint with 'fs.oss.endpoint'.");
+ }
+ CredentialsProvider provider =
+ AliyunOSSUtils.getCredentialsProvider(conf);
+ ossClient = new OSSClient(endPoint, provider, clientConf);
+ uploadPartSize = conf.getLong(MULTIPART_UPLOAD_SIZE_KEY,
+ MULTIPART_UPLOAD_SIZE_DEFAULT);
+ multipartThreshold = conf.getLong(MIN_MULTIPART_UPLOAD_THRESHOLD_KEY,
+ MIN_MULTIPART_UPLOAD_THRESHOLD_DEFAULT);
+ partSize = conf.getLong(MULTIPART_UPLOAD_SIZE_KEY,
+ MULTIPART_UPLOAD_SIZE_DEFAULT);
+ if (partSize < MIN_MULTIPART_UPLOAD_PART_SIZE) {
+ partSize = MIN_MULTIPART_UPLOAD_PART_SIZE;
+ }
+ serverSideEncryptionAlgorithm =
+ conf.get(SERVER_SIDE_ENCRYPTION_ALGORITHM_KEY, "");
+
+ if (uploadPartSize < 5 * 1024 * 1024) {
+ LOG.warn(MULTIPART_UPLOAD_SIZE_KEY + " must be at least 5 MB");
+ uploadPartSize = 5 * 1024 * 1024;
+ }
+
+ if (multipartThreshold < 5 * 1024 * 1024) {
+ LOG.warn(MIN_MULTIPART_UPLOAD_THRESHOLD_KEY + " must be at least 5 MB");
+ multipartThreshold = 5 * 1024 * 1024;
+ }
+
+ if (multipartThreshold > 1024 * 1024 * 1024) {
+ LOG.warn(MIN_MULTIPART_UPLOAD_THRESHOLD_KEY + " must be less than 1 GB");
+ multipartThreshold = 1024 * 1024 * 1024;
+ }
+
+ String cannedACLName = conf.get(CANNED_ACL_KEY, CANNED_ACL_DEFAULT);
+ if (StringUtils.isNotEmpty(cannedACLName)) {
+ CannedAccessControlList cannedACL =
+ CannedAccessControlList.valueOf(cannedACLName);
+ ossClient.setBucketAcl(bucketName, cannedACL);
+ }
+
+ maxKeys = conf.getInt(MAX_PAGING_KEYS_KEY, MAX_PAGING_KEYS_DEFAULT);
+ bucketName = uri.getHost();
+ }
+
+ /**
+ * Delete an object, and update write operation statistics.
+ *
+ * @param key key to blob to delete.
+ */
+ public void deleteObject(String key) {
+ ossClient.deleteObject(bucketName, key);
+ statistics.incrementWriteOps(1);
+ }
+
+ /**
+ * Delete a list of keys, and update write operation statistics.
+ *
+ * @param keysToDelete collection of keys to delete.
+ * @throws IOException if failed to delete objects.
+ */
+ public void deleteObjects(List<String> keysToDelete) throws IOException {
+ if (CollectionUtils.isEmpty(keysToDelete)) {
+ LOG.warn("Keys to delete is empty.");
+ return;
+ }
+
+ int retry = 10;
+ int tries = 0;
+ List<String> deleteFailed = keysToDelete;
+ while(CollectionUtils.isNotEmpty(deleteFailed)) {
+ DeleteObjectsRequest deleteRequest = new
DeleteObjectsRequest(bucketName);
+ deleteRequest.setKeys(deleteFailed);
+ // There are two modes to do batch delete:
+ // 1. detail mode: DeleteObjectsResult.getDeletedObjects returns objects
+ // which were deleted successfully.
+ // 2. simple mode: DeleteObjectsResult.getDeletedObjects returns objects
+ // which were deleted unsuccessfully.
+ // Here, we choose the simple mode to do batch delete.
+ deleteRequest.setQuiet(true);
+ DeleteObjectsResult result = ossClient.deleteObjects(deleteRequest);
+ deleteFailed = result.getDeletedObjects();
+ tries++;
+ if (tries == retry) {
+ break;
+ }
+ }
+
+ if (tries == retry && CollectionUtils.isNotEmpty(deleteFailed)) {
+ // Most of time, it is impossible to try 10 times, expect the
+ // Aliyun OSS service problems.
+ throw new IOException("Failed to delete Aliyun OSS objects for " +
+ tries + " times.");
+ }
+ }
+
+ /**
+ * Delete a directory from Aliyun OSS.
+ *
+ * @param key directory key to delete.
+ * @throws IOException if failed to delete directory.
+ */
+ public void deleteDirs(String key) throws IOException {
+ key = AliyunOSSUtils.maybeAddTrailingSlash(key);
+ ListObjectsRequest listRequest = new ListObjectsRequest(bucketName);
+ listRequest.setPrefix(key);
+ listRequest.setDelimiter(null);
+ listRequest.setMaxKeys(maxKeys);
+
+ while (true) {
+ ObjectListing objects = ossClient.listObjects(listRequest);
+ statistics.incrementReadOps(1);
+ List<String> keysToDelete = new ArrayList<String>();
+ for (OSSObjectSummary objectSummary : objects.getObjectSummaries()) {
+ keysToDelete.add(objectSummary.getKey());
+ }
+ deleteObjects(keysToDelete);
+ if (objects.isTruncated()) {
+ listRequest.setMarker(objects.getNextMarker());
+ } else {
+ break;
+ }
+ }
+ }
+
+ /**
+ * Return metadata of a given object key.
+ *
+ * @param key object key.
+ * @return return null if key does not exist.
+ */
+ public ObjectMetadata getObjectMetadata(String key) {
+ try {
+ return ossClient.getObjectMetadata(bucketName, key);
+ } catch (OSSException osse) {
+ return null;
+ } finally {
+ statistics.incrementReadOps(1);
+ }
+ }
+
+ /**
+ * Upload an empty file as an OSS object, using single upload.
+ *
+ * @param key object key.
+ * @throws IOException if failed to upload object.
+ */
+ public void storeEmptyFile(String key) throws IOException {
+ ObjectMetadata dirMeta = new ObjectMetadata();
+ byte[] buffer = new byte[0];
+ ByteArrayInputStream in = new ByteArrayInputStream(buffer);
+ dirMeta.setContentLength(0);
+ try {
+ ossClient.putObject(bucketName, key, in, dirMeta);
+ } finally {
+ in.close();
+ }
+ }
+
+ /**
+ * Copy an object from source key to destination key.
+ *
+ * @param srcKey source key.
+ * @param dstKey destination key.
+ * @return true if file is successfully copied.
+ */
+ public boolean copyFile(String srcKey, String dstKey) {
+ ObjectMetadata objectMeta =
+ ossClient.getObjectMetadata(bucketName, srcKey);
+ long contentLength = objectMeta.getContentLength();
+ if (contentLength <= multipartThreshold) {
+ return singleCopy(srcKey, dstKey);
+ } else {
+ return multipartCopy(srcKey, contentLength, dstKey);
+ }
+ }
+
+ /**
+ * Use single copy to copy an OSS object.
+ * (The caller should make sure srcPath is a file and dstPath is valid)
+ *
+ * @param srcKey source key.
+ * @param dstKey destination key.
+ * @return true if object is successfully copied.
+ */
+ private boolean singleCopy(String srcKey, String dstKey) {
+ CopyObjectResult copyResult =
+ ossClient.copyObject(bucketName, srcKey, bucketName, dstKey);
+ LOG.debug(copyResult.getETag());
+ return true;
+ }
+
+ /**
+ * Use multipart copy to copy an OSS object.
+ * (The caller should make sure srcPath is a file and dstPath is valid)
+ *
+ * @param srcKey source key.
+ * @param contentLength data size of the object to copy.
+ * @param dstKey destination key.
+ * @return true if success, or false if upload is aborted.
+ */
+ private boolean multipartCopy(String srcKey, long contentLength,
+ String dstKey) {
+ long realPartSize =
+ AliyunOSSUtils.calculatePartSize(contentLength, uploadPartSize);
+ int partNum = (int) (contentLength / realPartSize);
+ if (contentLength % realPartSize != 0) {
+ partNum++;
+ }
+ InitiateMultipartUploadRequest initiateMultipartUploadRequest =
+ new InitiateMultipartUploadRequest(bucketName, dstKey);
+ ObjectMetadata meta = new ObjectMetadata();
+ if (StringUtils.isNotEmpty(serverSideEncryptionAlgorithm)) {
+ meta.setServerSideEncryption(serverSideEncryptionAlgorithm);
+ }
+ initiateMultipartUploadRequest.setObjectMetadata(meta);
+ InitiateMultipartUploadResult initiateMultipartUploadResult =
+ ossClient.initiateMultipartUpload(initiateMultipartUploadRequest);
+ String uploadId = initiateMultipartUploadResult.getUploadId();
+ List<PartETag> partETags = new ArrayList<PartETag>();
+ try {
+ for (int i = 0; i < partNum; i++) {
+ long skipBytes = realPartSize * i;
+ long size = (realPartSize < contentLength - skipBytes) ?
+ realPartSize : contentLength - skipBytes;
+ UploadPartCopyRequest partCopyRequest = new UploadPartCopyRequest();
+ partCopyRequest.setSourceBucketName(bucketName);
+ partCopyRequest.setSourceKey(srcKey);
+ partCopyRequest.setBucketName(bucketName);
+ partCopyRequest.setKey(dstKey);
+ partCopyRequest.setUploadId(uploadId);
+ partCopyRequest.setPartSize(size);
+ partCopyRequest.setBeginIndex(skipBytes);
+ partCopyRequest.setPartNumber(i + 1);
+ UploadPartCopyResult partCopyResult =
+ ossClient.uploadPartCopy(partCopyRequest);
+ statistics.incrementWriteOps(1);
+ partETags.add(partCopyResult.getPartETag());
+ }
+ CompleteMultipartUploadRequest completeMultipartUploadRequest =
+ new CompleteMultipartUploadRequest(bucketName, dstKey,
+ uploadId, partETags);
+ CompleteMultipartUploadResult completeMultipartUploadResult =
+ ossClient.completeMultipartUpload(completeMultipartUploadRequest);
+ LOG.debug(completeMultipartUploadResult.getETag());
+ return true;
+ } catch (OSSException | ClientException e) {
+ AbortMultipartUploadRequest abortMultipartUploadRequest =
+ new AbortMultipartUploadRequest(bucketName, dstKey, uploadId);
+ ossClient.abortMultipartUpload(abortMultipartUploadRequest);
+ return false;
+ }
+ }
+
+ /**
+ * Upload a file as an OSS object, using single upload.
+ *
+ * @param key object key.
+ * @param file local file to upload.
+ * @throws IOException if failed to upload object.
+ */
+ public void uploadObject(String key, File file) throws IOException {
+ File object = file.getAbsoluteFile();
+ FileInputStream fis = new FileInputStream(object);
+ ObjectMetadata meta = new ObjectMetadata();
+ meta.setContentLength(object.length());
+ if (StringUtils.isNotEmpty(serverSideEncryptionAlgorithm)) {
+ meta.setServerSideEncryption(serverSideEncryptionAlgorithm);
+ }
+ try {
+ PutObjectResult result = ossClient.putObject(bucketName, key, fis, meta);
+ LOG.debug(result.getETag());
+ statistics.incrementWriteOps(1);
+ } finally {
+ fis.close();
+ }
+ }
+
+ /**
+ * Upload a file as an OSS object, using multipart upload.
+ *
+ * @param key object key.
+ * @param file local file to upload.
+ * @throws IOException if failed to upload object.
+ */
+ public void multipartUploadObject(String key, File file) throws IOException {
+ File object = file.getAbsoluteFile();
+ long dataLen = object.length();
+ long realPartSize = AliyunOSSUtils.calculatePartSize(dataLen, partSize);
+ int partNum = (int) (dataLen / realPartSize);
+ if (dataLen % realPartSize != 0) {
+ partNum += 1;
+ }
+
+ InitiateMultipartUploadRequest initiateMultipartUploadRequest =
+ new InitiateMultipartUploadRequest(bucketName, key);
+ ObjectMetadata meta = new ObjectMetadata();
+ if (StringUtils.isNotEmpty(serverSideEncryptionAlgorithm)) {
+ meta.setServerSideEncryption(serverSideEncryptionAlgorithm);
+ }
+ initiateMultipartUploadRequest.setObjectMetadata(meta);
+ InitiateMultipartUploadResult initiateMultipartUploadResult =
+ ossClient.initiateMultipartUpload(initiateMultipartUploadRequest);
+ List<PartETag> partETags = new ArrayList<PartETag>();
+ String uploadId = initiateMultipartUploadResult.getUploadId();
+
+ try {
+ for (int i = 0; i < partNum; i++) {
+ //TODO Optimize this, avoid opening the object multiple times.
+ FileInputStream fis = new FileInputStream(object);
+ try {
+ long skipBytes = realPartSize * i;
+ AliyunOSSUtils.skipFully(fis, skipBytes);
+ long size = (realPartSize < dataLen - skipBytes) ?
+ realPartSize : dataLen - skipBytes;
+ UploadPartRequest uploadPartRequest = new UploadPartRequest();
+ uploadPartRequest.setBucketName(bucketName);
+ uploadPartRequest.setKey(key);
+ uploadPartRequest.setUploadId(uploadId);
+ uploadPartRequest.setInputStream(fis);
+ uploadPartRequest.setPartSize(size);
+ uploadPartRequest.setPartNumber(i + 1);
+ UploadPartResult uploadPartResult =
+ ossClient.uploadPart(uploadPartRequest);
+ statistics.incrementWriteOps(1);
+ partETags.add(uploadPartResult.getPartETag());
+ } finally {
+ fis.close();
+ }
+ }
+ CompleteMultipartUploadRequest completeMultipartUploadRequest =
+ new CompleteMultipartUploadRequest(bucketName, key,
+ uploadId, partETags);
+ CompleteMultipartUploadResult completeMultipartUploadResult =
+ ossClient.completeMultipartUpload(completeMultipartUploadRequest);
+ LOG.debug(completeMultipartUploadResult.getETag());
+ } catch (OSSException | ClientException e) {
+ AbortMultipartUploadRequest abortMultipartUploadRequest =
+ new AbortMultipartUploadRequest(bucketName, key, uploadId);
+ ossClient.abortMultipartUpload(abortMultipartUploadRequest);
+ }
+ }
+
+ /**
+ * list objects.
+ *
+ * @param prefix prefix.
+ * @param maxListingLength max no. of entries
+ * @param marker last key in any previous search.
+ * @param recursive whether to list directory recursively.
+ * @return a list of matches.
+ */
+ public ObjectListing listObjects(String prefix, int maxListingLength,
+ String marker, boolean recursive) {
+ String delimiter = recursive ? null : "/";
+ prefix = AliyunOSSUtils.maybeAddTrailingSlash(prefix);
+ ListObjectsRequest listRequest = new ListObjectsRequest(bucketName);
+ listRequest.setPrefix(prefix);
+ listRequest.setDelimiter(delimiter);
+ listRequest.setMaxKeys(maxListingLength);
+ listRequest.setMarker(marker);
+
+ ObjectListing listing = ossClient.listObjects(listRequest);
+ statistics.incrementReadOps(1);
+ return listing;
+ }
+
+ /**
+ * Retrieve a part of an object.
+ *
+ * @param key the object name that is being retrieved from the Aliyun OSS.
+ * @param byteStart start position.
+ * @param byteEnd end position.
+ * @return This method returns null if the key is not found.
+ */
+ public InputStream retrieve(String key, long byteStart, long byteEnd) {
+ try {
+ GetObjectRequest request = new GetObjectRequest(bucketName, key);
+ request.setRange(byteStart, byteEnd);
+ return ossClient.getObject(request).getObjectContent();
+ } catch (OSSException | ClientException e) {
+ return null;
+ }
+ }
+
+ /**
+ * Close OSS client properly.
+ */
+ public void close() {
+ if (ossClient != null) {
+ ossClient.shutdown();
+ ossClient = null;
+ }
+ }
+
+ /**
+ * Clean up all objects matching the prefix.
+ *
+ * @param prefix Aliyun OSS object prefix.
+ * @throws IOException if failed to clean up objects.
+ */
+ public void purge(String prefix) throws IOException {
+ String key;
+ try {
+ ObjectListing objects = listObjects(prefix, maxKeys, null, true);
+ for (OSSObjectSummary object : objects.getObjectSummaries()) {
+ key = object.getKey();
+ ossClient.deleteObject(bucketName, key);
+ }
+
+ for (String dir: objects.getCommonPrefixes()) {
+ deleteDirs(dir);
+ }
+ } catch (OSSException | ClientException e) {
+ LOG.error("Failed to purge " + prefix);
+ }
+ }
+}
http://git-wip-us.apache.org/repos/asf/hadoop/blob/b756beb6/hadoop-tools/hadoop-aliyun/src/main/java/org/apache/hadoop/fs/aliyun/oss/AliyunOSSInputStream.java
----------------------------------------------------------------------
diff --git
a/hadoop-tools/hadoop-aliyun/src/main/java/org/apache/hadoop/fs/aliyun/oss/AliyunOSSInputStream.java
b/hadoop-tools/hadoop-aliyun/src/main/java/org/apache/hadoop/fs/aliyun/oss/AliyunOSSInputStream.java
new file mode 100644
index 0000000..3b2bc02
--- /dev/null
+++
b/hadoop-tools/hadoop-aliyun/src/main/java/org/apache/hadoop/fs/aliyun/oss/AliyunOSSInputStream.java
@@ -0,0 +1,262 @@
+/**
+ * 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.aliyun.oss;
+
+import static org.apache.hadoop.fs.aliyun.oss.Constants.*;
+
+import java.io.EOFException;
+import java.io.IOException;
+import java.io.InputStream;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.fs.FSExceptionMessages;
+import org.apache.hadoop.fs.FSInputStream;
+import org.apache.hadoop.fs.FileSystem.Statistics;
+
+/**
+ * The input stream for OSS blob system.
+ * The class uses multi-part downloading to read data from the object content
+ * stream.
+ */
+public class AliyunOSSInputStream extends FSInputStream {
+ public static final Log LOG = LogFactory.getLog(AliyunOSSInputStream.class);
+ private final long downloadPartSize;
+ private AliyunOSSFileSystemStore store;
+ private final String key;
+ private Statistics statistics;
+ private boolean closed;
+ private InputStream wrappedStream = null;
+ private long contentLength;
+ private long position;
+ private long partRemaining;
+
+ public AliyunOSSInputStream(Configuration conf,
+ AliyunOSSFileSystemStore store, String key, Long contentLength,
+ Statistics statistics) throws IOException {
+ this.store = store;
+ this.key = key;
+ this.statistics = statistics;
+ this.contentLength = contentLength;
+ downloadPartSize = conf.getLong(MULTIPART_DOWNLOAD_SIZE_KEY,
+ MULTIPART_DOWNLOAD_SIZE_DEFAULT);
+ reopen(0);
+ closed = false;
+ }
+
+ /**
+ * Reopen the wrapped stream at give position, by seeking for
+ * data of a part length from object content stream.
+ *
+ * @param pos position from start of a file
+ * @throws IOException if failed to reopen
+ */
+ private synchronized void reopen(long pos) throws IOException {
+ long partSize;
+
+ if (pos < 0) {
+ throw new EOFException("Cannot seek at negative position:" + pos);
+ } else if (pos > contentLength) {
+ throw new EOFException("Cannot seek after EOF, contentLength:" +
+ contentLength + " position:" + pos);
+ } else if (pos + downloadPartSize > contentLength) {
+ partSize = contentLength - pos;
+ } else {
+ partSize = downloadPartSize;
+ }
+
+ if (wrappedStream != null) {
+ if (LOG.isDebugEnabled()) {
+ LOG.debug("Aborting old stream to open at pos " + pos);
+ }
+ wrappedStream.close();
+ }
+
+ wrappedStream = store.retrieve(key, pos, pos + partSize -1);
+ if (wrappedStream == null) {
+ throw new IOException("Null IO stream");
+ }
+ position = pos;
+ partRemaining = partSize;
+ }
+
+ @Override
+ public synchronized int read() throws IOException {
+ checkNotClosed();
+
+ if (partRemaining <= 0 && position < contentLength) {
+ reopen(position);
+ }
+
+ int tries = MAX_RETRIES;
+ boolean retry;
+ int byteRead = -1;
+ do {
+ retry = false;
+ try {
+ byteRead = wrappedStream.read();
+ } catch (Exception e) {
+ handleReadException(e, --tries);
+ retry = true;
+ }
+ } while (retry);
+ if (byteRead >= 0) {
+ position++;
+ partRemaining--;
+ }
+
+ if (statistics != null && byteRead >= 0) {
+ statistics.incrementBytesRead(byteRead);
+ }
+ return byteRead;
+ }
+
+
+ /**
+ * Verify that the input stream is open. Non blocking; this gives
+ * the last state of the volatile {@link #closed} field.
+ *
+ * @throws IOException if the connection is closed.
+ */
+ private void checkNotClosed() throws IOException {
+ if (closed) {
+ throw new IOException(FSExceptionMessages.STREAM_IS_CLOSED);
+ }
+ }
+
+ @Override
+ public synchronized int read(byte[] buf, int off, int len)
+ throws IOException {
+ checkNotClosed();
+
+ if (buf == null) {
+ throw new NullPointerException();
+ } else if (off < 0 || len < 0 || len > buf.length - off) {
+ throw new IndexOutOfBoundsException();
+ } else if (len == 0) {
+ return 0;
+ }
+
+ int bytesRead = 0;
+ // Not EOF, and read not done
+ while (position < contentLength && bytesRead < len) {
+ if (partRemaining == 0) {
+ reopen(position);
+ }
+
+ int tries = MAX_RETRIES;
+ boolean retry;
+ int bytes = -1;
+ do {
+ retry = false;
+ try {
+ bytes = wrappedStream.read(buf, off + bytesRead, len - bytesRead);
+ } catch (Exception e) {
+ handleReadException(e, --tries);
+ retry = true;
+ }
+ } while (retry);
+
+ if (bytes > 0) {
+ bytesRead += bytes;
+ position += bytes;
+ partRemaining -= bytes;
+ } else if (partRemaining != 0) {
+ throw new IOException("Failed to read from stream. Remaining:" +
+ partRemaining);
+ }
+ }
+
+ if (statistics != null && bytesRead > 0) {
+ statistics.incrementBytesRead(bytesRead);
+ }
+
+ // Read nothing, but attempt to read something
+ if (bytesRead == 0 && len > 0) {
+ return -1;
+ } else {
+ return bytesRead;
+ }
+ }
+
+ @Override
+ public synchronized void close() throws IOException {
+ if (closed) {
+ return;
+ }
+ closed = true;
+ if (wrappedStream != null) {
+ wrappedStream.close();
+ }
+ }
+
+ @Override
+ public synchronized int available() throws IOException {
+ checkNotClosed();
+
+ long remaining = contentLength - position;
+ if (remaining > Integer.MAX_VALUE) {
+ return Integer.MAX_VALUE;
+ }
+ return (int)remaining;
+ }
+
+ @Override
+ public synchronized void seek(long pos) throws IOException {
+ checkNotClosed();
+ if (position == pos) {
+ return;
+ } else if (pos > position && pos < position + partRemaining) {
+ long len = pos - position;
+ AliyunOSSUtils.skipFully(wrappedStream, len);
+ position = pos;
+ partRemaining -= len;
+ } else {
+ reopen(pos);
+ }
+ }
+
+ @Override
+ public synchronized long getPos() throws IOException {
+ checkNotClosed();
+ return position;
+ }
+
+ @Override
+ public boolean seekToNewSource(long targetPos) throws IOException {
+ checkNotClosed();
+ return false;
+ }
+
+ private void handleReadException(Exception e, int tries) throws IOException{
+ if (tries == 0) {
+ throw new IOException(e);
+ }
+
+ LOG.warn("Some exceptions occurred in oss connection, try to reopen oss" +
+ " connection at position '" + position + "', " + e.getMessage());
+ try {
+ Thread.sleep(100);
+ } catch (InterruptedException e2) {
+ LOG.warn(e2.getMessage());
+ }
+ reopen(position);
+ }
+}
http://git-wip-us.apache.org/repos/asf/hadoop/blob/b756beb6/hadoop-tools/hadoop-aliyun/src/main/java/org/apache/hadoop/fs/aliyun/oss/AliyunOSSOutputStream.java
----------------------------------------------------------------------
diff --git
a/hadoop-tools/hadoop-aliyun/src/main/java/org/apache/hadoop/fs/aliyun/oss/AliyunOSSOutputStream.java
b/hadoop-tools/hadoop-aliyun/src/main/java/org/apache/hadoop/fs/aliyun/oss/AliyunOSSOutputStream.java
new file mode 100644
index 0000000..c952d0a
--- /dev/null
+++
b/hadoop-tools/hadoop-aliyun/src/main/java/org/apache/hadoop/fs/aliyun/oss/AliyunOSSOutputStream.java
@@ -0,0 +1,111 @@
+/**
+ * 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.aliyun.oss;
+
+import static org.apache.hadoop.fs.aliyun.oss.Constants.*;
+
+import java.io.BufferedOutputStream;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.OutputStream;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.fs.FileSystem.Statistics;
+import org.apache.hadoop.fs.LocalDirAllocator;
+import org.apache.hadoop.util.Progressable;
+
+/**
+ * The output stream for OSS blob system.
+ * Data will be buffered on local disk, then uploaded to OSS in
+ * {@link #close()} method.
+ */
+public class AliyunOSSOutputStream extends OutputStream {
+ public static final Log LOG = LogFactory.getLog(AliyunOSSOutputStream.class);
+ private AliyunOSSFileSystemStore store;
+ private final String key;
+ private Statistics statistics;
+ private Progressable progress;
+ private long partSizeThreshold;
+ private LocalDirAllocator dirAlloc;
+ private boolean closed;
+ private File tmpFile;
+ private BufferedOutputStream backupStream;
+
+ public AliyunOSSOutputStream(Configuration conf,
+ AliyunOSSFileSystemStore store, String key, Progressable progress,
+ Statistics statistics) throws IOException {
+ this.store = store;
+ this.key = key;
+ // The caller cann't get any progress information
+ this.progress = progress;
+ this.statistics = statistics;
+ partSizeThreshold = conf.getLong(MIN_MULTIPART_UPLOAD_THRESHOLD_KEY,
+ MIN_MULTIPART_UPLOAD_THRESHOLD_DEFAULT);
+
+ if (conf.get(BUFFER_DIR_KEY) == null) {
+ conf.set(BUFFER_DIR_KEY, conf.get("hadoop.tmp.dir") + "/oss");
+ }
+ dirAlloc = new LocalDirAllocator(BUFFER_DIR_KEY);
+
+ tmpFile = dirAlloc.createTmpFileForWrite("output-",
+ LocalDirAllocator.SIZE_UNKNOWN, conf);
+ backupStream = new BufferedOutputStream(new FileOutputStream(tmpFile));
+ closed = false;
+ }
+
+ @Override
+ public synchronized void close() throws IOException {
+ if (closed) {
+ return;
+ }
+ closed = true;
+ if (backupStream != null) {
+ backupStream.close();
+ }
+ long dataLen = tmpFile.length();
+ try {
+ if (dataLen <= partSizeThreshold) {
+ store.uploadObject(key, tmpFile);
+ } else {
+ store.multipartUploadObject(key, tmpFile);
+ }
+ } finally {
+ if (!tmpFile.delete()) {
+ LOG.warn("Can not delete file: " + tmpFile);
+ }
+ }
+ }
+
+
+
+ @Override
+ public synchronized void flush() throws IOException {
+ backupStream.flush();
+ }
+
+ @Override
+ public synchronized void write(int b) throws IOException {
+ backupStream.write(b);
+ statistics.incrementBytesWritten(1);
+ }
+
+}
http://git-wip-us.apache.org/repos/asf/hadoop/blob/b756beb6/hadoop-tools/hadoop-aliyun/src/main/java/org/apache/hadoop/fs/aliyun/oss/AliyunOSSUtils.java
----------------------------------------------------------------------
diff --git
a/hadoop-tools/hadoop-aliyun/src/main/java/org/apache/hadoop/fs/aliyun/oss/AliyunOSSUtils.java
b/hadoop-tools/hadoop-aliyun/src/main/java/org/apache/hadoop/fs/aliyun/oss/AliyunOSSUtils.java
new file mode 100644
index 0000000..263b4cf
--- /dev/null
+++
b/hadoop-tools/hadoop-aliyun/src/main/java/org/apache/hadoop/fs/aliyun/oss/AliyunOSSUtils.java
@@ -0,0 +1,167 @@
+/**
+ * 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.aliyun.oss;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+import com.aliyun.oss.common.auth.CredentialsProvider;
+import org.apache.commons.lang.StringUtils;
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.security.ProviderUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import static org.apache.hadoop.fs.aliyun.oss.Constants.*;
+
+/**
+ * Utility methods for Aliyun OSS code.
+ */
+public final class AliyunOSSUtils {
+ private static final Logger LOG =
+ LoggerFactory.getLogger(AliyunOSSUtils.class);
+
+ private AliyunOSSUtils() {
+ }
+
+ /**
+ * Used to get password from configuration.
+ *
+ * @param conf configuration that contains password information
+ * @param key the key of the password
+ * @return the value for the key
+ * @throws IOException if failed to get password from configuration
+ */
+ public static String getValueWithKey(Configuration conf, String key)
+ throws IOException {
+ try {
+ final char[] pass = conf.getPassword(key);
+ if (pass != null) {
+ return (new String(pass)).trim();
+ } else {
+ return "";
+ }
+ } catch (IOException ioe) {
+ throw new IOException("Cannot find password option " + key, ioe);
+ }
+ }
+
+ /**
+ * Skip the requested number of bytes or fail if there are no enough bytes
+ * left. This allows for the possibility that {@link InputStream#skip(long)}
+ * may not skip as many bytes as requested (most likely because of reaching
+ * EOF).
+ *
+ * @param is the input stream to skip.
+ * @param n the number of bytes to skip.
+ * @throws IOException thrown when skipped less number of bytes.
+ */
+ public static void skipFully(InputStream is, long n) throws IOException {
+ long total = 0;
+ long cur = 0;
+
+ do {
+ cur = is.skip(n - total);
+ total += cur;
+ } while((total < n) && (cur > 0));
+
+ if (total < n) {
+ throw new IOException("Failed to skip " + n + " bytes, possibly due " +
+ "to EOF.");
+ }
+ }
+
+ /**
+ * Calculate a proper size of multipart piece. If <code>minPartSize</code>
+ * is too small, the number of multipart pieces may exceed the limit of
+ * {@link Constants#MULTIPART_UPLOAD_PART_NUM_LIMIT}.
+ *
+ * @param contentLength the size of file.
+ * @param minPartSize the minimum size of multipart piece.
+ * @return a revisional size of multipart piece.
+ */
+ public static long calculatePartSize(long contentLength, long minPartSize) {
+ long tmpPartSize = contentLength / MULTIPART_UPLOAD_PART_NUM_LIMIT + 1;
+ return Math.max(minPartSize, tmpPartSize);
+ }
+
+ /**
+ * Create credential provider specified by configuration, or create default
+ * credential provider if not specified.
+ *
+ * @param conf configuration
+ * @return a credential provider
+ * @throws IOException on any problem. Class construction issues may be
+ * nested inside the IOE.
+ */
+ public static CredentialsProvider getCredentialsProvider(Configuration conf)
+ throws IOException {
+ CredentialsProvider credentials;
+
+ String className = conf.getTrimmed(ALIYUN_OSS_CREDENTIALS_PROVIDER_KEY);
+ if (StringUtils.isEmpty(className)) {
+ Configuration newConf =
+ ProviderUtils.excludeIncompatibleCredentialProviders(conf,
+ AliyunOSSFileSystem.class);
+ credentials = new AliyunCredentialsProvider(newConf);
+ } else {
+ try {
+ LOG.debug("Credential provider class is:" + className);
+ Class<?> credClass = Class.forName(className);
+ try {
+ credentials =
+ (CredentialsProvider)credClass.getDeclaredConstructor(
+ Configuration.class).newInstance(conf);
+ } catch (NoSuchMethodException | SecurityException e) {
+ credentials =
+ (CredentialsProvider)credClass.getDeclaredConstructor()
+ .newInstance();
+ }
+ } catch (ClassNotFoundException e) {
+ throw new IOException(className + " not found.", e);
+ } catch (NoSuchMethodException | SecurityException e) {
+ throw new IOException(String.format("%s constructor exception. A " +
+ "class specified in %s must provide an accessible constructor " +
+ "accepting URI and Configuration, or an accessible default " +
+ "constructor.", className, ALIYUN_OSS_CREDENTIALS_PROVIDER_KEY),
+ e);
+ } catch (ReflectiveOperationException | IllegalArgumentException e) {
+ throw new IOException(className + " instantiation exception.", e);
+ }
+ }
+
+ return credentials;
+ }
+
+ /**
+ * Turns a path (relative or otherwise) into an OSS key, adding a trailing
+ * "/" if the path is not the root <i>and</i> does not already have a "/"
+ * at the end.
+ *
+ * @param key OSS key or ""
+ * @return the with a trailing "/", or, if it is the root key, "".
+ */
+ public static String maybeAddTrailingSlash(String key) {
+ if (StringUtils.isNotEmpty(key) && !key.endsWith("/")) {
+ return key + '/';
+ } else {
+ return key;
+ }
+ }
+}
http://git-wip-us.apache.org/repos/asf/hadoop/blob/b756beb6/hadoop-tools/hadoop-aliyun/src/main/java/org/apache/hadoop/fs/aliyun/oss/Constants.java
----------------------------------------------------------------------
diff --git
a/hadoop-tools/hadoop-aliyun/src/main/java/org/apache/hadoop/fs/aliyun/oss/Constants.java
b/hadoop-tools/hadoop-aliyun/src/main/java/org/apache/hadoop/fs/aliyun/oss/Constants.java
new file mode 100644
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+++
b/hadoop-tools/hadoop-aliyun/src/main/java/org/apache/hadoop/fs/aliyun/oss/Constants.java
@@ -0,0 +1,113 @@
+/**
+ * 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.aliyun.oss;
+
+/**
+ * ALL configuration constants for OSS filesystem.
+ */
+public final class Constants {
+
+ private Constants() {
+ }
+
+ // Class of credential provider
+ public static final String ALIYUN_OSS_CREDENTIALS_PROVIDER_KEY =
+ "fs.oss.credentials.provider";
+
+ // OSS access verification
+ public static final String ACCESS_KEY_ID = "fs.oss.accessKeyId";
+ public static final String ACCESS_KEY_SECRET = "fs.oss.accessKeySecret";
+ public static final String SECURITY_TOKEN = "fs.oss.securityToken";
+
+ // Number of simultaneous connections to oss
+ public static final String MAXIMUM_CONNECTIONS_KEY =
+ "fs.oss.connection.maximum";
+ public static final int MAXIMUM_CONNECTIONS_DEFAULT = 32;
+
+ // Connect to oss over ssl
+ public static final String SECURE_CONNECTIONS_KEY =
+ "fs.oss.connection.secure.enabled";
+ public static final boolean SECURE_CONNECTIONS_DEFAULT = true;
+
+ // Use a custom endpoint
+ public static final String ENDPOINT_KEY = "fs.oss.endpoint";
+
+ // Connect to oss through a proxy server
+ public static final String PROXY_HOST_KEY = "fs.oss.proxy.host";
+ public static final String PROXY_PORT_KEY = "fs.oss.proxy.port";
+ public static final String PROXY_USERNAME_KEY = "fs.oss.proxy.username";
+ public static final String PROXY_PASSWORD_KEY = "fs.oss.proxy.password";
+ public static final String PROXY_DOMAIN_KEY = "fs.oss.proxy.domain";
+ public static final String PROXY_WORKSTATION_KEY =
+ "fs.oss.proxy.workstation";
+
+ // Number of times we should retry errors
+ public static final String MAX_ERROR_RETRIES_KEY = "fs.oss.attempts.maximum";
+ public static final int MAX_ERROR_RETRIES_DEFAULT = 20;
+
+ // Time until we give up trying to establish a connection to oss
+ public static final String ESTABLISH_TIMEOUT_KEY =
+ "fs.oss.connection.establish.timeout";
+ public static final int ESTABLISH_TIMEOUT_DEFAULT = 50000;
+
+ // Time until we give up on a connection to oss
+ public static final String SOCKET_TIMEOUT_KEY = "fs.oss.connection.timeout";
+ public static final int SOCKET_TIMEOUT_DEFAULT = 200000;
+
+ // Number of records to get while paging through a directory listing
+ public static final String MAX_PAGING_KEYS_KEY = "fs.oss.paging.maximum";
+ public static final int MAX_PAGING_KEYS_DEFAULT = 1000;
+
+ // Size of each of or multipart pieces in bytes
+ public static final String MULTIPART_UPLOAD_SIZE_KEY =
+ "fs.oss.multipart.upload.size";
+
+ public static final long MULTIPART_UPLOAD_SIZE_DEFAULT = 10 * 1024 * 1024;
+ public static final int MULTIPART_UPLOAD_PART_NUM_LIMIT = 10000;
+
+ // Minimum size in bytes before we start a multipart uploads or copy
+ public static final String MIN_MULTIPART_UPLOAD_THRESHOLD_KEY =
+ "fs.oss.multipart.upload.threshold";
+ public static final long MIN_MULTIPART_UPLOAD_THRESHOLD_DEFAULT =
+ 20 * 1024 * 1024;
+
+ public static final String MULTIPART_DOWNLOAD_SIZE_KEY =
+ "fs.oss.multipart.download.size";
+
+ public static final long MULTIPART_DOWNLOAD_SIZE_DEFAULT = 100 * 1024;
+
+ // Comma separated list of directories
+ public static final String BUFFER_DIR_KEY = "fs.oss.buffer.dir";
+
+ // private | public-read | public-read-write
+ public static final String CANNED_ACL_KEY = "fs.oss.acl.default";
+ public static final String CANNED_ACL_DEFAULT = "";
+
+ // OSS server-side encryption
+ public static final String SERVER_SIDE_ENCRYPTION_ALGORITHM_KEY =
+ "fs.oss.server-side-encryption-algorithm";
+
+ public static final String FS_OSS_BLOCK_SIZE_KEY = "fs.oss.block.size";
+ public static final int FS_OSS_BLOCK_SIZE_DEFAULT = 64 * 1024 * 1024;
+ public static final String FS_OSS = "oss";
+
+ public static final long MIN_MULTIPART_UPLOAD_PART_SIZE = 100 * 1024L;
+ public static final int MAX_RETRIES = 10;
+
+}
http://git-wip-us.apache.org/repos/asf/hadoop/blob/b756beb6/hadoop-tools/hadoop-aliyun/src/main/java/org/apache/hadoop/fs/aliyun/oss/package-info.java
----------------------------------------------------------------------
diff --git
a/hadoop-tools/hadoop-aliyun/src/main/java/org/apache/hadoop/fs/aliyun/oss/package-info.java
b/hadoop-tools/hadoop-aliyun/src/main/java/org/apache/hadoop/fs/aliyun/oss/package-info.java
new file mode 100644
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--- /dev/null
+++
b/hadoop-tools/hadoop-aliyun/src/main/java/org/apache/hadoop/fs/aliyun/oss/package-info.java
@@ -0,0 +1,22 @@
+/**
+ * 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.
+ */
+
+/**
+ * Aliyun OSS Filesystem.
+ */
+package org.apache.hadoop.fs.aliyun.oss;
\ No newline at end of file
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