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[plugin] repository-azure is not working properly hangs on basic oper…
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…ations

Signed-off-by: Andriy Redko <[email protected]>
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@reta
reta committed Dec 16, 2021
1 parent 123d41c commit 87c1ec3
Showing 1 changed file with 114 additions and 60 deletions.
174 changes: 114 additions & 60 deletions plugins/repository-azure/src/main/java/org/opensearch/repositories/azure/AzureBlobStore.java
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Original file line number Diff line number Diff line change
Expand Up @@ -35,6 +35,7 @@
import com.azure.core.http.HttpMethod;
import com.azure.core.http.HttpRequest;
import com.azure.core.http.HttpResponse;
import com.azure.core.http.rest.PagedResponse;
import com.azure.core.http.rest.Response;
import com.azure.core.util.Context;
import com.azure.storage.blob.BlobClient;
Expand All @@ -51,6 +52,7 @@
import com.azure.storage.blob.options.BlobParallelUploadOptions;
import com.azure.storage.common.implementation.Constants;

import org.apache.commons.lang3.StringUtils;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.apache.logging.log4j.core.util.Throwables;
Expand Down Expand Up @@ -82,6 +84,7 @@
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Optional;
import java.util.Set;
import java.util.concurrent.Executor;
import java.util.concurrent.atomic.AtomicLong;
Expand Down Expand Up @@ -217,50 +220,69 @@ public DeleteResult deleteBlobDirectory(String path, Executor executor) throws U
final ListBlobsOptions listBlobsOptions = new ListBlobsOptions().setPrefix(path);

SocketAccess.doPrivilegedVoidException(() -> {
for (final BlobItem blobItem : blobContainer.listBlobs(listBlobsOptions, timeout())) {
// Skipping prefixes as those are not deletable and should not be there
assert (blobItem.isPrefix() == null || !blobItem.isPrefix()) : "Only blobs (not prefixes) are expected";

outstanding.incrementAndGet();
executor.execute(new AbstractRunnable() {
@Override
protected void doRun() throws Exception {
final long len = blobItem.getProperties().getContentLength();

final BlobClient azureBlob = blobContainer.getBlobClient(blobItem.getName());
logger.trace(
() -> new ParameterizedMessage("container [{}]: blob [{}] found. removing.", container, blobItem.getName())
);
final Response<Void> response = azureBlob.deleteWithResponse(null, null, timeout(), client.v2().get());
logger.trace(
() -> new ParameterizedMessage(
"container [{}]: blob [{}] deleted status [{}].",
container,
blobItem.getName(),
response.getStatusCode()
)
);

blobsDeleted.incrementAndGet();
if (len >= 0) {
bytesDeleted.addAndGet(len);
String continuationToken = null;

do {
// Fetch one page at a time, others are going to be fetched by continuation token
final Optional<PagedResponse<BlobItem>> pageOpt = blobContainer.listBlobs(listBlobsOptions, timeout())
.streamByPage(continuationToken)
.findFirst();

if (!pageOpt.isPresent()) {
// No more pages, should never happen
break;
}

final PagedResponse<BlobItem> page = pageOpt.get();
for (final BlobItem blobItem : page.getValue()) {
// Skipping prefixes as those are not deletable and should not be there
assert (blobItem.isPrefix() == null || !blobItem.isPrefix()) : "Only blobs (not prefixes) are expected";

outstanding.incrementAndGet();
executor.execute(new AbstractRunnable() {
@Override
protected void doRun() throws Exception {
final long len = blobItem.getProperties().getContentLength();

final BlobClient azureBlob = blobContainer.getBlobClient(blobItem.getName());
logger.trace(
() -> new ParameterizedMessage("container [{}]: blob [{}] found. removing.", container, blobItem.getName())
);
final Response<Void> response = azureBlob.deleteWithResponse(null, null, timeout(), client.v2().get());
logger.trace(
() -> new ParameterizedMessage(
"container [{}]: blob [{}] deleted status [{}].",
container,
blobItem.getName(),
response.getStatusCode()
)
);

blobsDeleted.incrementAndGet();
if (len >= 0) {
bytesDeleted.addAndGet(len);
}
}
}

@Override
public void onFailure(Exception e) {
exceptions.add(e);
}
@Override
public void onFailure(Exception e) {
exceptions.add(e);
}

@Override
public void onAfter() {
if (outstanding.decrementAndGet() == 0) {
result.onResponse(null);
@Override
public void onAfter() {
if (outstanding.decrementAndGet() == 0) {
result.onResponse(null);
}
}
}
});
}
});
}

// Fetch next continuation token
continuationToken = page.getContinuationToken();
} while (StringUtils.isNotBlank(continuationToken));
});

if (outstanding.decrementAndGet() == 0) {
result.onResponse(null);
}
Expand Down Expand Up @@ -301,20 +323,37 @@ public Map<String, BlobMetadata> listBlobsByPrefix(String keyPath, String prefix
.setPrefix(keyPath + (prefix == null ? "" : prefix));

SocketAccess.doPrivilegedVoidException(() -> {
for (final BlobItem blobItem : blobContainer.listBlobsByHierarchy("/", listBlobsOptions, timeout())) {
// Skipping over the prefixes, only look for the blobs
if (blobItem.isPrefix() != null && blobItem.isPrefix()) {
continue;
String continuationToken = null;

do {
// Fetch one page at a time, others are going to be fetched by continuation token
final Optional<PagedResponse<BlobItem>> pageOpt = blobContainer.listBlobsByHierarchy("/", listBlobsOptions, timeout())
.streamByPage(continuationToken)
.findFirst();

if (!pageOpt.isPresent()) {
// No more pages, should never happen
break;
}

final String name = getBlobName(blobItem.getName(), container, keyPath);
logger.trace(() -> new ParameterizedMessage("blob name [{}]", name));
final PagedResponse<BlobItem> page = pageOpt.get();
for (final BlobItem blobItem : page.getValue()) {
// Skipping over the prefixes, only look for the blobs
if (blobItem.isPrefix() != null && blobItem.isPrefix()) {
continue;
}

final BlobItemProperties properties = blobItem.getProperties();
logger.trace(() -> new ParameterizedMessage("blob name [{}], size [{}]", name, properties.getContentLength()));
blobsBuilder.put(name, new PlainBlobMetadata(name, properties.getContentLength()));
}
final String name = getBlobName(blobItem.getName(), container, keyPath);
logger.trace(() -> new ParameterizedMessage("blob name [{}]", name));

final BlobItemProperties properties = blobItem.getProperties();
logger.trace(() -> new ParameterizedMessage("blob name [{}], size [{}]", name, properties.getContentLength()));
blobsBuilder.put(name, new PlainBlobMetadata(name, properties.getContentLength()));
}

// Fetch next continuation token
continuationToken = page.getContinuationToken();
} while (StringUtils.isNotBlank(continuationToken));
});

return MapBuilder.newMapBuilder(blobsBuilder).immutableMap();
Expand All @@ -330,18 +369,33 @@ public Map<String, BlobContainer> children(BlobPath path) throws URISyntaxExcept
.setPrefix(keyPath);

SocketAccess.doPrivilegedVoidException(() -> {
for (final BlobItem blobItem : blobContainer.listBlobsByHierarchy("/", listBlobsOptions, timeout())) {
// Skipping over the blobs, only look for prefixes
if (blobItem.isPrefix() != null && blobItem.isPrefix()) {
// Expecting name in the form /container/keyPath.* and we want to strip off the /container/
// this requires 1 + container.length() + 1, with each 1 corresponding to one of the /.
// Lastly, we add the length of keyPath to the offset to strip this container's path.
final String name = getBlobName(blobItem.getName(), container, keyPath).replaceAll("/$", "");
logger.trace(() -> new ParameterizedMessage("blob name [{}]", name));
blobsBuilder.add(name);
String continuationToken = null;

do {
final Optional<PagedResponse<BlobItem>> pageOpt = blobContainer.listBlobsByHierarchy("/", listBlobsOptions, timeout())
.streamByPage(continuationToken)
.findFirst();

if (!pageOpt.isPresent()) {
// No more pages, should never happen
break;
}
}
;

final PagedResponse<BlobItem> page = pageOpt.get();
for (final BlobItem blobItem : page.getValue()) {
// Skipping over the blobs, only look for prefixes
if (blobItem.isPrefix() != null && blobItem.isPrefix()) {
// Expecting name in the form /container/keyPath.* and we want to strip off the /container/
// this requires 1 + container.length() + 1, with each 1 corresponding to one of the /.
// Lastly, we add the length of keyPath to the offset to strip this container's path.
final String name = getBlobName(blobItem.getName(), container, keyPath).replaceAll("/$", "");
logger.trace(() -> new ParameterizedMessage("blob name [{}]", name));
blobsBuilder.add(name);
}
}
// Fetch next continuation token
continuationToken = page.getContinuationToken();
} while (StringUtils.isNotBlank(continuationToken));
});

return Collections.unmodifiableMap(
Expand Down

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