private static NativeFileSystemStore createDefaultStore(Configuration conf) { NativeFileSystemStore store = new Jets3tNativeFileSystemStore(); RetryPolicy basePolicy = RetryPolicies.retryUpToMaximumCountWithFixedSleep( conf.getInt("fs.s3.maxRetries", 4), conf.getLong("fs.s3.sleepTimeSeconds", 10), TimeUnit.SECONDS); Map<Class<? extends Exception>, RetryPolicy> exceptionToPolicyMap = new HashMap<Class<? extends Exception>, RetryPolicy>(); exceptionToPolicyMap.put(IOException.class, basePolicy); exceptionToPolicyMap.put(S3Exception.class, basePolicy); RetryPolicy methodPolicy = RetryPolicies.retryByException( RetryPolicies.TRY_ONCE_THEN_FAIL, exceptionToPolicyMap); Map<String, RetryPolicy> methodNameToPolicyMap = new HashMap<String, RetryPolicy>(); methodNameToPolicyMap.put("storeFile", methodPolicy); methodNameToPolicyMap.put("rename", methodPolicy); return (NativeFileSystemStore) RetryProxy.create(NativeFileSystemStore.class, store, methodNameToPolicyMap); }
private static NativeFileSystemStore createDefaultStore(Configuration conf) { NativeFileSystemStore store = new Jets3tNativeFileSystemStore(); RetryPolicy basePolicy = RetryPolicies.retryUpToMaximumCountWithFixedSleep( conf.getInt("fs.s3.maxRetries", 4), conf.getLong("fs.s3.sleepTimeSeconds", 10), TimeUnit.SECONDS); Map<Class<? extends Exception>, RetryPolicy> exceptionToPolicyMap = new HashMap<Class<? extends Exception>, RetryPolicy>(); exceptionToPolicyMap.put(IOException.class, basePolicy); exceptionToPolicyMap.put(S3Exception.class, basePolicy); RetryPolicy methodPolicy = RetryPolicies.retryByException( RetryPolicies.TRY_ONCE_THEN_FAIL, exceptionToPolicyMap); Map<String, RetryPolicy> methodNameToPolicyMap = new HashMap<String, RetryPolicy>(); methodNameToPolicyMap.put("storeFile", methodPolicy); return (NativeFileSystemStore) RetryProxy.create(NativeFileSystemStore.class, store, methodNameToPolicyMap); }
public void initialize(URI uri, Configuration conf) throws IOException { S3Credentials s3Credentials = new S3Credentials(); s3Credentials.initialize(uri, conf); try { AWSCredentials awsCredentials = new AWSCredentials(s3Credentials.getAccessKey(), s3Credentials.getSecretAccessKey()); this.s3Service = new RestS3Service(awsCredentials); } catch (S3ServiceException e) { if (e.getCause() instanceof IOException) { throw (IOException) e.getCause(); } throw new S3Exception(e); } bucket = new S3Bucket(uri.getHost()); }
public FileMetadata retrieveMetadata(String key) throws IOException { try { S3Object object = s3Service.getObjectDetails(bucket, key); return new FileMetadata(key, object.getContentLength(), object.getLastModifiedDate().getTime()); } catch (S3ServiceException e) { // Following is brittle. Is there a better way? if (e.getMessage().contains("ResponseCode=404")) { return null; } if (e.getCause() instanceof IOException) { throw (IOException) e.getCause(); } throw new S3Exception(e); } }
public InputStream retrieve(String key, long byteRangeStart) throws IOException { try { S3Object object = s3Service.getObject(bucket, key, null, null, null, null, byteRangeStart, null); return object.getDataInputStream(); } catch (S3ServiceException e) { if ("NoSuchKey".equals(e.getS3ErrorCode())) { return null; } if (e.getCause() instanceof IOException) { throw (IOException) e.getCause(); } throw new S3Exception(e); } }
private PartialListing list(String prefix, String delimiter, int maxListingLength, String priorLastKey) throws IOException { try { if (prefix.length() > 0 && !prefix.endsWith(PATH_DELIMITER)) { prefix += PATH_DELIMITER; } S3ObjectsChunk chunk = s3Service.listObjectsChunked(bucket.getName(), prefix, delimiter, maxListingLength, priorLastKey); FileMetadata[] fileMetadata = new FileMetadata[chunk.getObjects().length]; for (int i = 0; i < fileMetadata.length; i++) { S3Object object = chunk.getObjects()[i]; fileMetadata[i] = new FileMetadata(object.getKey(), object.getContentLength(), object.getLastModifiedDate().getTime()); } return new PartialListing(chunk.getPriorLastKey(), fileMetadata, chunk.getCommonPrefixes()); } catch (S3ServiceException e) { if (e.getCause() instanceof IOException) { throw (IOException) e.getCause(); } throw new S3Exception(e); } }
public void dump() throws IOException { StringBuilder sb = new StringBuilder("S3 Native Filesystem, "); sb.append(bucket.getName()).append("\n"); try { S3Object[] objects = s3Service.listObjects(bucket); for (int i = 0; i < objects.length; i++) { sb.append(objects[i].getKey()).append("\n"); } } catch (S3ServiceException e) { if (e.getCause() instanceof IOException) { throw (IOException) e.getCause(); } throw new S3Exception(e); } System.out.println(sb); }
private static IxNativeFileSystemStore createDefaultStore(Configuration conf) { IxNativeFileSystemStore store = new IxJets3tNativeFileSystemStore(); RetryPolicy basePolicy = RetryPolicies.retryUpToMaximumCountWithFixedSleep( conf.getInt("fs.s3.maxRetries", 4), conf.getLong("fs.s3.sleepTimeSeconds", 10), TimeUnit.SECONDS); Map<Class<? extends Exception>, RetryPolicy> exceptionToPolicyMap = new HashMap<Class<? extends Exception>, RetryPolicy>(); exceptionToPolicyMap.put(IOException.class, basePolicy); exceptionToPolicyMap.put(S3Exception.class, basePolicy); RetryPolicy methodPolicy = RetryPolicies.retryByException( RetryPolicies.TRY_ONCE_THEN_FAIL, exceptionToPolicyMap); Map<String, RetryPolicy> methodNameToPolicyMap = new HashMap<String, RetryPolicy>(); methodNameToPolicyMap.put("storeFile", methodPolicy); methodNameToPolicyMap.put("rename", methodPolicy); return (IxNativeFileSystemStore) RetryProxy.create(IxNativeFileSystemStore.class, store, methodNameToPolicyMap); }
