use of com.amazonaws.services.s3.model.DeleteObjectsRequest in project jackrabbit-oak by apache.
the class DataStoreUtils method deleteBucket.
public static void deleteBucket(String bucket, Map<String, ?> map, Date date) throws Exception {
log.info("cleaning bucket [" + bucket + "]");
Properties props = new Properties();
props.putAll(map);
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();
}
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 [{}]", new Object[] { 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);
}
}
}
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