private void CreateRemoteBlob()
{
var baseBlob = this.blobObjectFactory.Create(baseVhdBlobUri);
if (!baseBlob.Exists())
{
throw new InvalidOperationException(String.Format("Base image to patch doesn't exist in blob storage: {0}", baseVhdBlobUri.Uri));
}
var blobVhdFooter = baseBlob.GetVhdFooter();
long blobSize;
VhdFilePath localBaseVhdPath;
IEnumerable <Guid> childrenVhdIds;
using (var vhdFile = new VhdFileFactory().Create(localVhd.FullName))
{
localBaseVhdPath = vhdFile.GetFilePathBy(blobVhdFooter.UniqueId);
childrenVhdIds = vhdFile.GetChildrenIds(blobVhdFooter.UniqueId).ToArray();
blobSize = vhdFile.Footer.VirtualSize;
}
FileMetaData fileMetaData = GetFileMetaData(baseBlob, localBaseVhdPath);
var md5Hash = baseBlob.GetBlobMd5Hash();
if (!md5Hash.SequenceEqual(fileMetaData.MD5Hash))
{
var message = String.Format("Patching cannot proceed, MD5 hash of base image in blob storage ({0}) and base VHD file ({1}) does not match ",
baseBlob.Uri,
localBaseVhdPath);
throw new InvalidOperationException(message);
}
Program.SyncOutput.MessageCreatingNewPageBlob(blobSize);
CopyBaseImageToDestination();
using (var vds = new VirtualDiskStream(localVhd.FullName))
{
var streamExtents = vds.Extents.ToArray();
var enumerable = streamExtents.Where(e => childrenVhdIds.Contains(e.Owner)).ToArray();
foreach (var streamExtent in enumerable)
{
var indexRange = streamExtent.Range;
destinationBlob.ClearPages(indexRange.StartIndex, indexRange.Length);
}
}
using (var bmds = new BlobMetaDataScope(destinationBlob))
{
bmds.Current.RemoveBlobMd5Hash();
bmds.Current.SetUploadMetaData(OperationMetaData);
bmds.Complete();
}
}
using (var bdms = new BlobMetaDataScope(destinationBlob))
{
bdms.Current.SetUploadMetaData(OperationMetaData);
bdms.Complete();
}
}
}
}
private void CreateRemoteBlob()
{
Program.SyncOutput.MessageCreatingNewPageBlob(OperationMetaData.FileMetaData.VhdSize);
destinationBlob.Create(OperationMetaData.FileMetaData.VhdSize);
using (var bdms = new BlobMetaDataScope(destinationBlob))
{
bdms.Current.SetUploadMetaData(OperationMetaData);
bdms.Complete();
}
}
public bool Synchronize()
{
var uploadStatus = new ProgressStatus(alreadyUploadedData, alreadyUploadedData + dataToUpload, new ComputeStats());
using (new ServicePointHandler(blob.Uri, this.maxParallelism))
using (new ProgressTracker(uploadStatus))
{
var loopResult = Parallel.ForEach(dataWithRanges,
() => new CloudPageBlob(blob.Uri, blob.ServiceClient.Credentials),
(dwr, b) =>
{
using (dwr)
{
var md5HashOfDataChunk = GetBase64EncodedMd5Hash(dwr.Data, (int)dwr.Range.Length);
using (var stream = new MemoryStream(dwr.Data, 0, (int)dwr.Range.Length))
{
b.Properties.ContentMD5 = md5HashOfDataChunk;
b.WritePages(stream, dwr.Range.StartIndex);
}
}
uploadStatus.AddToProcessedBytes((int)dwr.Range.Length);
}, this.maxParallelism);
if (loopResult.IsExceptional)
{
if (loopResult.Exceptions.Any())
{
Program.SyncOutput.ErrorUploadFailedWithExceptions(loopResult.Exceptions);
//TODO: throw an AggregateException
return(false);
}
}
else
{
using (var bdms = new BlobMetaDataScope(new CloudPageBlob(blob.Uri, blob.ServiceClient.Credentials)))
{
bdms.Current.SetBlobMd5Hash(md5Hash);
bdms.Current.CleanUpUploadMetaData();
bdms.Complete();
}
}
}
return(true);
}
public bool Synchronize()
{
var uploadStatus = new ProgressStatus(alreadyUploadedData, alreadyUploadedData + dataToUpload, new ComputeStats());
using(new ServicePointHandler(blob.Uri, this.maxParallelism))
using(new ProgressTracker(uploadStatus))
{
var loopResult = Parallel.ForEach(dataWithRanges,
() => new CloudPageBlob(blob.Uri, blob.ServiceClient.Credentials),
(dwr, b) =>
{
using (dwr)
{
var md5HashOfDataChunk = GetBase64EncodedMd5Hash(dwr.Data, (int) dwr.Range.Length);
using (var stream = new MemoryStream(dwr.Data, 0, (int)dwr.Range.Length))
{
b.Properties.ContentMD5 = md5HashOfDataChunk;
b.WritePages(stream, dwr.Range.StartIndex);
}
}
uploadStatus.AddToProcessedBytes((int) dwr.Range.Length);
}, this.maxParallelism);
if(loopResult.IsExceptional)
{
if (loopResult.Exceptions.Any())
{
Program.SyncOutput.ErrorUploadFailedWithExceptions(loopResult.Exceptions);
//TODO: throw an AggregateException
return false;
}
}
else
{
using(var bdms = new BlobMetaDataScope(new CloudPageBlob(blob.Uri, blob.ServiceClient.Credentials)))
{
bdms.Current.SetBlobMd5Hash(md5Hash);
bdms.Current.CleanUpUploadMetaData();
bdms.Complete();
}
}
}
return true;
}
private void CreateRemoteBlob()
{
var baseBlob = this.blobObjectFactory.Create(baseVhdBlobUri);
if(!baseBlob.Exists())
{
throw new InvalidOperationException(String.Format("Base image to patch doesn't exist in blob storage: {0}", baseVhdBlobUri.Uri));
}
var blobVhdFooter = baseBlob.GetVhdFooter();
long blobSize;
VhdFilePath localBaseVhdPath;
IEnumerable<Guid> childrenVhdIds;
using (var vhdFile = new VhdFileFactory().Create(localVhd.FullName))
{
localBaseVhdPath = vhdFile.GetFilePathBy(blobVhdFooter.UniqueId);
childrenVhdIds = vhdFile.GetChildrenIds(blobVhdFooter.UniqueId).ToArray();
blobSize = vhdFile.Footer.VirtualSize;
}
FileMetaData fileMetaData = GetFileMetaData(baseBlob, localBaseVhdPath);
var md5Hash = baseBlob.GetBlobMd5Hash();
if (!md5Hash.SequenceEqual(fileMetaData.MD5Hash))
{
var message = String.Format("Patching cannot proceed, MD5 hash of base image in blob storage ({0}) and base VHD file ({1}) does not match ",
baseBlob.Uri,
localBaseVhdPath);
throw new InvalidOperationException(message);
}
Program.SyncOutput.MessageCreatingNewPageBlob(blobSize);
CopyBaseImageToDestination();
using (var vds = new VirtualDiskStream(localVhd.FullName))
{
var streamExtents = vds.Extents.ToArray();
var enumerable = streamExtents.Where(e => childrenVhdIds.Contains(e.Owner)).ToArray();
foreach (var streamExtent in enumerable)
{
var indexRange = streamExtent.Range;
destinationBlob.ClearPages(indexRange.StartIndex, indexRange.Length);
}
}
using(var bmds = new BlobMetaDataScope(destinationBlob))
{
bmds.Current.RemoveBlobMd5Hash();
bmds.Current.SetUploadMetaData(OperationMetaData);
bmds.Complete();
}
}
