Examples with DeleteObjectsRequest com.amazonaws.services.s3.model.DeleteObjectsRequest used on opensource projects

Example 6 with DeleteObjectsRequest

use of com.amazonaws.services.s3.model.DeleteObjectsRequest in project jackrabbit-oak by apache.

the class S3Backend method renameKeys.

/**
     * This method rename object keys in S3 concurrently. The number of
     * concurrent threads is defined by 'maxConnections' property in
     * aws.properties. As S3 doesn't have "move" command, this method simulate
     * move as copy object object to new key and then delete older key.
     */
private void renameKeys() throws DataStoreException {
    long startTime = System.currentTimeMillis();
    ClassLoader contextClassLoader = Thread.currentThread().getContextClassLoader();
    long count = 0;
    try {
        Thread.currentThread().setContextClassLoader(getClass().getClassLoader());
        ObjectListing prevObjectListing = s3service.listObjects(bucket);
        List<DeleteObjectsRequest.KeyVersion> deleteList = new ArrayList<DeleteObjectsRequest.KeyVersion>();
        int nThreads = Integer.parseInt(properties.getProperty("maxConnections"));
        ExecutorService executor = Executors.newFixedThreadPool(nThreads, new NamedThreadFactory("s3-object-rename-worker"));
        boolean taskAdded = false;
        while (true) {
            for (S3ObjectSummary s3ObjSumm : prevObjectListing.getObjectSummaries()) {
                executor.execute(new KeyRenameThread(s3ObjSumm.getKey()));
                taskAdded = true;
                count++;
                // delete the object if it follows old key name format
                if (s3ObjSumm.getKey().startsWith(KEY_PREFIX)) {
                    deleteList.add(new DeleteObjectsRequest.KeyVersion(s3ObjSumm.getKey()));
                }
            }
            if (!prevObjectListing.isTruncated())
                break;
            prevObjectListing = s3service.listNextBatchOfObjects(prevObjectListing);
        }
        // This will make the executor accept no new threads
        // and finish all existing threads in the queue
        executor.shutdown();
        try {
            // Wait until all threads are finish
            while (taskAdded && !executor.awaitTermination(10, TimeUnit.SECONDS)) {
                LOG.info("Rename S3 keys tasks timedout. Waiting again");
            }
        } catch (InterruptedException ie) {
        }
        LOG.info("Renamed [{}] keys, time taken [{}]sec", count, ((System.currentTimeMillis() - startTime) / 1000));
        // Delete older keys.
        if (deleteList.size() > 0) {
            DeleteObjectsRequest delObjsReq = new DeleteObjectsRequest(bucket);
            int batchSize = 500, startIndex = 0, size = deleteList.size();
            int endIndex = batchSize < size ? batchSize : size;
            while (endIndex <= size) {
                delObjsReq.setKeys(Collections.unmodifiableList(deleteList.subList(startIndex, endIndex)));
                DeleteObjectsResult dobjs = s3service.deleteObjects(delObjsReq);
                LOG.info("Records[{}] deleted in datastore from index [{}] to [{}]", dobjs.getDeletedObjects().size(), startIndex, (endIndex - 1));
                if (endIndex == size) {
                    break;
                } else {
                    startIndex = endIndex;
                    endIndex = (startIndex + batchSize) < size ? (startIndex + batchSize) : size;
                }
            }
        }
    } finally {
        if (contextClassLoader != null) {
            Thread.currentThread().setContextClassLoader(contextClassLoader);
        }
    }
}

Example 7 with DeleteObjectsRequest

use of com.amazonaws.services.s3.model.DeleteObjectsRequest in project aws-doc-sdk-examples by awsdocs.

the class DeleteObjects method main.

public static void main(String[] args) {
    final String USAGE = "\n" + "To run this example, supply the name of an S3 bucket and at least\n" + "one object name (key) to delete.\n" + "\n" + "Ex: DeleteObjects <bucketname> <objectname1> [objectname2, ...]\n";
    if (args.length < 2) {
        System.out.println(USAGE);
        System.exit(1);
    }
    String bucket_name = args[0];
    String[] object_keys = Arrays.copyOfRange(args, 1, args.length);
    System.out.println("Deleting objects from S3 bucket: " + bucket_name);
    for (String k : object_keys) {
        System.out.println(" * " + k);
    }
    final AmazonS3 s3 = AmazonS3ClientBuilder.defaultClient();
    try {
        DeleteObjectsRequest dor = new DeleteObjectsRequest(bucket_name).withKeys(object_keys);
        s3.deleteObjects(dor);
    } catch (AmazonServiceException e) {
        System.err.println(e.getErrorMessage());
        System.exit(1);
    }
    System.out.println("Done!");
}

Example 8 with DeleteObjectsRequest

use of com.amazonaws.services.s3.model.DeleteObjectsRequest in project elasticsearch by elastic.

the class AbstractS3SnapshotRestoreTest method cleanRepositoryFiles.

/**
     * Deletes content of the repository files in the bucket
     */
public void cleanRepositoryFiles(String basePath) {
    Settings settings = internalCluster().getInstance(Settings.class);
    Settings[] buckets = { settings.getByPrefix("repositories.s3."), settings.getByPrefix("repositories.s3.private-bucket."), settings.getByPrefix("repositories.s3.remote-bucket."), settings.getByPrefix("repositories.s3.external-bucket.") };
    for (Settings bucket : buckets) {
        String bucketName = bucket.get("bucket");
        // We check that settings has been set in elasticsearch.yml integration test file
        // as described in README
        assertThat("Your settings in elasticsearch.yml are incorrects. Check README file.", bucketName, notNullValue());
        AmazonS3 client = internalCluster().getInstance(AwsS3Service.class).client(Settings.EMPTY, null, randomBoolean(), null);
        try {
            ObjectListing prevListing = null;
            //From http://docs.amazonwebservices.com/AmazonS3/latest/dev/DeletingMultipleObjectsUsingJava.html
            //we can do at most 1K objects per delete
            //We don't know the bucket name until first object listing
            DeleteObjectsRequest multiObjectDeleteRequest = null;
            ArrayList<DeleteObjectsRequest.KeyVersion> keys = new ArrayList<DeleteObjectsRequest.KeyVersion>();
            while (true) {
                ObjectListing list;
                if (prevListing != null) {
                    list = client.listNextBatchOfObjects(prevListing);
                } else {
                    list = client.listObjects(bucketName, basePath);
                    multiObjectDeleteRequest = new DeleteObjectsRequest(list.getBucketName());
                }
                for (S3ObjectSummary summary : list.getObjectSummaries()) {
                    keys.add(new DeleteObjectsRequest.KeyVersion(summary.getKey()));
                    //Every 500 objects batch the delete request
                    if (keys.size() > 500) {
                        multiObjectDeleteRequest.setKeys(keys);
                        client.deleteObjects(multiObjectDeleteRequest);
                        multiObjectDeleteRequest = new DeleteObjectsRequest(list.getBucketName());
                        keys.clear();
                    }
                }
                if (list.isTruncated()) {
                    prevListing = list;
                } else {
                    break;
                }
            }
            if (!keys.isEmpty()) {
                multiObjectDeleteRequest.setKeys(keys);
                client.deleteObjects(multiObjectDeleteRequest);
            }
        } catch (Exception ex) {
            logger.warn((Supplier<?>) () -> new ParameterizedMessage("Failed to delete S3 repository [{}]", bucketName), ex);
        }
    }
}

Example 9 with DeleteObjectsRequest

use of com.amazonaws.services.s3.model.DeleteObjectsRequest in project jackrabbit by apache.

the class S3Backend method deleteAllOlderThan.

@Override
public Set<DataIdentifier> deleteAllOlderThan(long min) throws DataStoreException {
    long start = System.currentTimeMillis();
    // S3 stores lastModified to lower boundary of timestamp in ms.
    // and hence min is reduced by 1000ms.
    min = min - 1000;
    Set<DataIdentifier> deleteIdSet = new HashSet<DataIdentifier>(30);
    ClassLoader contextClassLoader = Thread.currentThread().getContextClassLoader();
    try {
        Thread.currentThread().setContextClassLoader(getClass().getClassLoader());
        ObjectListing prevObjectListing = s3service.listObjects(bucket);
        while (true) {
            List<DeleteObjectsRequest.KeyVersion> deleteList = new ArrayList<DeleteObjectsRequest.KeyVersion>();
            for (S3ObjectSummary s3ObjSumm : prevObjectListing.getObjectSummaries()) {
                DataIdentifier identifier = new DataIdentifier(getIdentifierName(s3ObjSumm.getKey()));
                long lastModified = s3ObjSumm.getLastModified().getTime();
                LOG.debug("Identifier [{}]'s lastModified = [{}]", identifier, lastModified);
                if (lastModified < min && getDataStore().confirmDelete(identifier) && //  order is important here
                s3service.getObjectMetadata(bucket, s3ObjSumm.getKey()).getLastModified().getTime() < min) {
                    getDataStore().deleteFromCache(identifier);
                    LOG.debug("add id [{}] to delete lists", s3ObjSumm.getKey());
                    deleteList.add(new DeleteObjectsRequest.KeyVersion(s3ObjSumm.getKey()));
                    deleteIdSet.add(identifier);
                }
            }
            if (deleteList.size() > 0) {
                DeleteObjectsRequest delObjsReq = new DeleteObjectsRequest(bucket);
                delObjsReq.setKeys(deleteList);
                DeleteObjectsResult dobjs = s3service.deleteObjects(delObjsReq);
                if (dobjs.getDeletedObjects().size() != deleteList.size()) {
                    throw new DataStoreException("Incomplete delete object request. only  " + dobjs.getDeletedObjects().size() + " out of " + deleteList.size() + " are deleted");
                } else {
                    LOG.debug("[{}] records deleted from datastore", deleteList);
                }
            }
            if (!prevObjectListing.isTruncated()) {
                break;
            }
            prevObjectListing = s3service.listNextBatchOfObjects(prevObjectListing);
        }
    } finally {
        if (contextClassLoader != null) {
            Thread.currentThread().setContextClassLoader(contextClassLoader);
        }
    }
    LOG.info("deleteAllOlderThan: min=[{}] exit. Deleted[{}] records. Number of records deleted [{}] took [{}]ms", new Object[] { min, deleteIdSet, deleteIdSet.size(), (System.currentTimeMillis() - start) });
    return deleteIdSet;
}

Example 10 with DeleteObjectsRequest

use of com.amazonaws.services.s3.model.DeleteObjectsRequest in project jackrabbit-oak by apache.

the class S3DataStoreUtils method deleteBucket.

public static void deleteBucket(String bucket, Date date) throws Exception {
    log.info("cleaning bucket [" + bucket + "]");
    Properties props = getS3Config();
    AmazonS3Client s3service = Utils.openService(props);
    TransferManager tmx = new TransferManager(s3service);
    if (s3service.doesBucketExist(bucket)) {
        for (int i = 0; i < 4; i++) {
            tmx.abortMultipartUploads(bucket, date);
            ObjectListing prevObjectListing = s3service.listObjects(bucket);
            while (prevObjectListing != null) {
                List<DeleteObjectsRequest.KeyVersion> deleteList = new ArrayList<DeleteObjectsRequest.KeyVersion>();
                for (S3ObjectSummary s3ObjSumm : prevObjectListing.getObjectSummaries()) {
                    deleteList.add(new DeleteObjectsRequest.KeyVersion(s3ObjSumm.getKey()));
                }
                if (deleteList.size() > 0) {
                    DeleteObjectsRequest delObjsReq = new DeleteObjectsRequest(bucket);
                    delObjsReq.setKeys(deleteList);
                    s3service.deleteObjects(delObjsReq);
                }
                if (!prevObjectListing.isTruncated())
                    break;
                prevObjectListing = s3service.listNextBatchOfObjects(prevObjectListing);
            }
        }
        s3service.deleteBucket(bucket);
        log.info("bucket [ " + bucket + "] cleaned");
    } else {
        log.info("bucket [" + bucket + "] doesn't exists");
    }
    tmx.shutdownNow();
    s3service.shutdown();
}