Examples with OMBucketDeleteResponse org.apache.hadoop.ozone.om.response.bucket.OMBucketDeleteResponse used on opensource projects

Example 1 with OMBucketDeleteResponse

use of org.apache.hadoop.ozone.om.response.bucket.OMBucketDeleteResponse in project ozone by apache.

the class TestOzoneManagerDoubleBufferWithOMResponse method doMixTransactions.

/**
 * This method add's a mix of createBucket/DeleteBucket responses to double
 * buffer. Total number of responses added is specified by bucketCount.
 */
private void doMixTransactions(String volumeName, int bucketCount, Queue<OMBucketDeleteResponse> deleteBucketQueue, Queue<OMBucketCreateResponse> bucketQueue) {
    for (int i = 0; i < bucketCount; i++) {
        String bucketName = UUID.randomUUID().toString();
        long transactionID = trxId.incrementAndGet();
        OMBucketCreateResponse omBucketCreateResponse = createBucket(volumeName, bucketName, transactionID);
        // For every 2 transactions have a deleted bucket.
        if (i % 2 == 0) {
            OMBucketDeleteResponse omBucketDeleteResponse = (OMBucketDeleteResponse) deleteBucket(volumeName, bucketName, trxId.incrementAndGet());
            deleteBucketQueue.add(omBucketDeleteResponse);
        } else {
            bucketQueue.add(omBucketCreateResponse);
        }
    }
}

Example 2 with OMBucketDeleteResponse

use of org.apache.hadoop.ozone.om.response.bucket.OMBucketDeleteResponse in project ozone by apache.

the class TestOzoneManagerDoubleBufferWithOMResponse method testDoubleBufferWithMixOfTransactions.

/**
 * This test first creates a volume, and then does a mix of transactions
 * like create/delete buckets and add them to double buffer. Then it
 * verifies OM DB entries are matching with actual responses added to
 * double buffer or not.
 */
@Test
public void testDoubleBufferWithMixOfTransactions() throws Exception {
    // This test checks count, data in table is correct or not.
    Queue<OMBucketCreateResponse> bucketQueue = new ConcurrentLinkedQueue<>();
    Queue<OMBucketDeleteResponse> deleteBucketQueue = new ConcurrentLinkedQueue<>();
    String volumeName = UUID.randomUUID().toString();
    OMVolumeCreateResponse omVolumeCreateResponse = (OMVolumeCreateResponse) createVolume(volumeName, trxId.incrementAndGet());
    int bucketCount = 10;
    doMixTransactions(volumeName, bucketCount, deleteBucketQueue, bucketQueue);
    // As for every 2 transactions of create bucket we add deleted bucket.
    final int deleteCount = 5;
    // We are doing +1 for volume transaction.
    GenericTestUtils.waitFor(() -> doubleBuffer.getFlushedTransactionCount() == (bucketCount + deleteCount + 1), 100, 120000);
    Assert.assertEquals(1, omMetadataManager.countRowsInTable(omMetadataManager.getVolumeTable()));
    Assert.assertEquals(5, omMetadataManager.countRowsInTable(omMetadataManager.getBucketTable()));
    // Now after this in our DB we should have 5 buckets and one volume
    checkVolume(volumeName, omVolumeCreateResponse);
    checkCreateBuckets(bucketQueue);
    checkDeletedBuckets(deleteBucketQueue);
    // Check lastAppliedIndex is updated correctly or not.
    GenericTestUtils.waitFor(() -> bucketCount + deleteCount + 1 == lastAppliedIndex, 100, 30000);
    TransactionInfo transactionInfo = omMetadataManager.getTransactionInfoTable().get(TRANSACTION_INFO_KEY);
    assertNotNull(transactionInfo);
    Assert.assertEquals(lastAppliedIndex, transactionInfo.getTransactionIndex());
    Assert.assertEquals(term, transactionInfo.getTerm());
}

Example 3 with OMBucketDeleteResponse

use of org.apache.hadoop.ozone.om.response.bucket.OMBucketDeleteResponse in project ozone by apache.

the class OMBucketDeleteRequest method validateAndUpdateCache.

@Override
public OMClientResponse validateAndUpdateCache(OzoneManager ozoneManager, long transactionLogIndex, OzoneManagerDoubleBufferHelper ozoneManagerDoubleBufferHelper) {
    OMMetrics omMetrics = ozoneManager.getMetrics();
    omMetrics.incNumBucketDeletes();
    OMMetadataManager omMetadataManager = ozoneManager.getMetadataManager();
    OMRequest omRequest = getOmRequest();
    DeleteBucketRequest deleteBucketRequest = omRequest.getDeleteBucketRequest();
    String volumeName = deleteBucketRequest.getVolumeName();
    String bucketName = deleteBucketRequest.getBucketName();
    // Generate end user response
    OMResponse.Builder omResponse = OmResponseUtil.getOMResponseBuilder(getOmRequest());
    AuditLogger auditLogger = ozoneManager.getAuditLogger();
    Map<String, String> auditMap = buildVolumeAuditMap(volumeName);
    auditMap.put(OzoneConsts.BUCKET, bucketName);
    OzoneManagerProtocolProtos.UserInfo userInfo = getOmRequest().getUserInfo();
    IOException exception = null;
    boolean acquiredBucketLock = false, acquiredVolumeLock = false;
    boolean success = true;
    OMClientResponse omClientResponse = null;
    try {
        // check Acl
        if (ozoneManager.getAclsEnabled()) {
            checkAcls(ozoneManager, OzoneObj.ResourceType.BUCKET, OzoneObj.StoreType.OZONE, IAccessAuthorizer.ACLType.DELETE, volumeName, bucketName, null);
        }
        // acquire lock
        acquiredVolumeLock = omMetadataManager.getLock().acquireReadLock(VOLUME_LOCK, volumeName);
        acquiredBucketLock = omMetadataManager.getLock().acquireWriteLock(BUCKET_LOCK, volumeName, bucketName);
        // No need to check volume exists here, as bucket cannot be created
        // with out volume creation. Check if bucket exists
        String bucketKey = omMetadataManager.getBucketKey(volumeName, bucketName);
        OmBucketInfo omBucketInfo = omMetadataManager.getBucketTable().get(bucketKey);
        if (omBucketInfo == null) {
            LOG.debug("bucket: {} not found ", bucketName);
            throw new OMException("Bucket not exists", BUCKET_NOT_FOUND);
        }
        // Check if bucket is empty
        if (!omMetadataManager.isBucketEmpty(volumeName, bucketName)) {
            LOG.debug("bucket: {} is not empty ", bucketName);
            throw new OMException("Bucket is not empty", OMException.ResultCodes.BUCKET_NOT_EMPTY);
        }
        if (omBucketInfo.getBucketLayout().isFileSystemOptimized()) {
            omMetrics.incNumFSOBucketDeletes();
        }
        omMetrics.decNumBuckets();
        // Update table cache.
        omMetadataManager.getBucketTable().addCacheEntry(new CacheKey<>(bucketKey), new CacheValue<>(Optional.absent(), transactionLogIndex));
        omResponse.setDeleteBucketResponse(DeleteBucketResponse.newBuilder().build());
        // update used namespace for volume
        String volumeKey = omMetadataManager.getVolumeKey(volumeName);
        OmVolumeArgs omVolumeArgs = omMetadataManager.getVolumeTable().getReadCopy(volumeKey);
        if (omVolumeArgs == null) {
            throw new OMException("Volume " + volumeName + " is not found", OMException.ResultCodes.VOLUME_NOT_FOUND);
        }
        omVolumeArgs.incrUsedNamespace(-1L);
        // Update table cache.
        omMetadataManager.getVolumeTable().addCacheEntry(new CacheKey<>(volumeKey), new CacheValue<>(Optional.of(omVolumeArgs), transactionLogIndex));
        // Add to double buffer.
        omClientResponse = new OMBucketDeleteResponse(omResponse.build(), volumeName, bucketName, omVolumeArgs.copyObject());
    } catch (IOException ex) {
        success = false;
        exception = ex;
        omClientResponse = new OMBucketDeleteResponse(createErrorOMResponse(omResponse, exception));
    } finally {
        addResponseToDoubleBuffer(transactionLogIndex, omClientResponse, ozoneManagerDoubleBufferHelper);
        if (acquiredBucketLock) {
            omMetadataManager.getLock().releaseWriteLock(BUCKET_LOCK, volumeName, bucketName);
        }
        if (acquiredVolumeLock) {
            omMetadataManager.getLock().releaseReadLock(VOLUME_LOCK, volumeName);
        }
    }
    // Performing audit logging outside of the lock.
    auditLog(auditLogger, buildAuditMessage(OMAction.DELETE_BUCKET, auditMap, exception, userInfo));
    // return response.
    if (success) {
        LOG.debug("Deleted bucket:{} in volume:{}", bucketName, volumeName);
        return omClientResponse;
    } else {
        omMetrics.incNumBucketDeleteFails();
        LOG.error("Delete bucket failed for bucket:{} in volume:{}", bucketName, volumeName, exception);
        return omClientResponse;
    }
}

Example 4 with OMBucketDeleteResponse

use of org.apache.hadoop.ozone.om.response.bucket.OMBucketDeleteResponse in project ozone by apache.

the class TestOzoneManagerDoubleBufferWithOMResponse method testDoubleBufferWithMixOfTransactionsParallel.

/**
 * This test first creates a volume, and then does a mix of transactions
 * like create/delete buckets in parallel and add to double buffer. Then it
 * verifies OM DB entries are matching with actual responses added to
 * double buffer or not.
 */
@Test
public void testDoubleBufferWithMixOfTransactionsParallel() throws Exception {
    // This test checks count, data in table is correct or not.
    Queue<OMBucketCreateResponse> bucketQueue = new ConcurrentLinkedQueue<>();
    Queue<OMBucketDeleteResponse> deleteBucketQueue = new ConcurrentLinkedQueue<>();
    String volumeName1 = UUID.randomUUID().toString();
    OMVolumeCreateResponse omVolumeCreateResponse1 = (OMVolumeCreateResponse) createVolume(volumeName1, trxId.incrementAndGet());
    String volumeName2 = UUID.randomUUID().toString();
    OMVolumeCreateResponse omVolumeCreateResponse2 = (OMVolumeCreateResponse) createVolume(volumeName2, trxId.incrementAndGet());
    int bucketsPerVolume = 10;
    Daemon daemon1 = new Daemon(() -> doMixTransactions(volumeName1, bucketsPerVolume, deleteBucketQueue, bucketQueue));
    Daemon daemon2 = new Daemon(() -> doMixTransactions(volumeName2, bucketsPerVolume, deleteBucketQueue, bucketQueue));
    daemon1.start();
    daemon2.start();
    int bucketCount = 2 * bucketsPerVolume;
    // As for every 2 transactions of create bucket we add deleted bucket.
    final int deleteCount = 10;
    // We are doing +1 for volume transaction.
    GenericTestUtils.waitFor(() -> doubleBuffer.getFlushedTransactionCount() == (bucketCount + deleteCount + 2), 100, 120000);
    Assert.assertEquals(2, omMetadataManager.countRowsInTable(omMetadataManager.getVolumeTable()));
    Assert.assertEquals(10, omMetadataManager.countRowsInTable(omMetadataManager.getBucketTable()));
    // Now after this in our DB we should have 5 buckets and one volume
    checkVolume(volumeName1, omVolumeCreateResponse1);
    checkVolume(volumeName2, omVolumeCreateResponse2);
    checkCreateBuckets(bucketQueue);
    checkDeletedBuckets(deleteBucketQueue);
    // Not checking lastAppliedIndex here, because 2 daemon threads are
    // running in parallel, so lastAppliedIndex cannot be always
    // total transaction count. So, just checking here whether it is less
    // than total transaction count.
    Assert.assertTrue(lastAppliedIndex <= bucketCount + deleteCount + 2);
}