示例#1
0
        private void SetProperties(BlobBaseClient track2BlobClient, AzureStorageContext storageContext, global::Azure.Storage.Blobs.Models.BlobProperties blobProperties = null, BlobClientOptions options = null)
        {
            if (blobProperties == null)
            {
                try
                {
                    privateBlobProperties = track2BlobClient.GetProperties().Value;
                }
                catch (global::Azure.RequestFailedException e) when(e.Status == 403 || e.Status == 404)
                {
                    // privateBlobProperties will be null when there are no permission to get blob proeprties, or blob is already deleted.
                }
            }
            else
            {
                privateBlobProperties = blobProperties;
            }

            this.privateBlobBaseClient = track2BlobClient;
            Name                 = track2BlobClient.Name;
            this.Context         = storageContext;
            privateClientOptions = options;
            if (privateBlobProperties is null)
            {
                ICloudBlob = GetTrack1Blob(track2BlobClient, storageContext.StorageAccount.Credentials, null);
            }
            else
            {
                ICloudBlob = GetTrack1Blob(track2BlobClient, storageContext.StorageAccount.Credentials, privateBlobProperties.BlobType);
            }
            if (!(ICloudBlob is InvalidCloudBlob))
            {
                BlobType     = ICloudBlob.BlobType;
                SnapshotTime = ICloudBlob.SnapshotTime;
            }
            else // This code might should not be necessary, since currently only blob version will has Track1 Blob as null, and blob veresion won't have snapshot time
            {
                SnapshotTime = Util.GetSnapshotTimeFromBlobUri(track2BlobClient.Uri);
            }

            // Set the AzureStorageBlob Properties
            if (privateBlobProperties != null)
            {
                Length          = privateBlobProperties.ContentLength;
                ContentType     = privateBlobProperties.ContentType;
                LastModified    = privateBlobProperties.LastModified;
                VersionId       = privateBlobProperties.VersionId;
                IsLatestVersion = privateBlobProperties.IsLatestVersion;
                if (ICloudBlob is InvalidCloudBlob)
                {
                    BlobType = Util.convertBlobType_Track2ToTrack1(privateBlobProperties.BlobType);
                }
                AccessTier = privateBlobProperties.AccessTier is null ? null : privateBlobProperties.AccessTier.ToString();
                TagCount   = privateBlobProperties.TagCount;
            }
        }
示例#2
0
        /// <summary>
        /// Download blob to local file
        /// </summary>
        /// <param name="blob">Source blob object</param>
        /// <param name="filePath">Destination file path</param>
        internal virtual async Task DownloadBlob(long taskId, IStorageBlobManagement localChannel, BlobBaseClient blob, string filePath)
        {
            Track2Models.BlobProperties blobProperties = blob.GetProperties(cancellationToken: CmdletCancellationToken);

            if (this.Force.IsPresent ||
                !System.IO.File.Exists(filePath) ||
                ShouldContinue(string.Format(Resources.OverwriteConfirmation, filePath), null))
            {
                StorageTransferOptions trasnferOption = new StorageTransferOptions()
                {
                    MaximumConcurrency  = this.GetCmdletConcurrency(),
                    MaximumTransferSize = size4MB,
                    InitialTransferSize = size4MB
                };
                await blob.DownloadToAsync(filePath, BlobRequestConditions, trasnferOption, CmdletCancellationToken).ConfigureAwait(false);

                OutputStream.WriteObject(taskId, new AzureStorageBlob(blob, localChannel.StorageContext, blobProperties, options: ClientOptions));
            }
        }
示例#3
0
 //refresh XSCL track2 blob properties object from server
 public void FetchAttributes()
 {
     privateBlobProperties = BlobBaseClient.GetProperties().Value;
 }
示例#4
0
 public AzureStorageBlob(BlobBaseClient track2BlobClient, AzureStorageContext storageContext, global::Azure.Storage.Blobs.Models.BlobProperties blobProperties, BlobClientOptions options = null)
 {
     SetProperties(track2BlobClient, storageContext, blobProperties, options);
 }
示例#5
0
        private async Task CopyFromUri(long taskId, IStorageBlobManagement destChannel, Uri srcUri, BlobBaseClient destBlob)
        {
            bool destExist = true;

            Track2Models.BlobType?      destBlobType = Util.GetBlobType(destBlob);
            Track2Models.BlobProperties properties   = null;

            try
            {
                properties   = (await destBlob.GetPropertiesAsync(this.BlobRequestConditions, cancellationToken: this.CmdletCancellationToken).ConfigureAwait(false)).Value;
                destBlobType = properties.BlobType;
            }
            catch (global::Azure.RequestFailedException e) when(e.Status == 404)
            {
                destExist = false;
            }
            if (destBlobType != null)
            {
                ValidateBlobTier(Util.convertBlobType_Track2ToTrack1(destBlobType), null, standardBlobTier, rehydratePriority);
            }

            if (!destExist || this.ConfirmOverwrite(srcUri.AbsoluteUri.ToString(), destBlob.Uri.ToString()))
            {
                Track2Models.BlobCopyFromUriOptions options = new Track2Models.BlobCopyFromUriOptions();

                // The Blob Type and Blob Tier must match, since already checked before
                if (standardBlobTier != null || rehydratePriority != null)
                {
                    options.AccessTier        = Util.ConvertAccessTier_Track1ToTrack2(standardBlobTier);
                    options.RehydratePriority = Util.ConvertRehydratePriority_Track1ToTrack2(rehydratePriority);
                }
                options.SourceConditions = this.BlobRequestConditions;

                BlockBlobClient             srcBlockblob  = new BlockBlobClient(srcUri, ClientOptions);
                Track2Models.BlobProperties srcProperties = srcBlockblob.GetProperties(cancellationToken: this.CmdletCancellationToken).Value;

                //Prepare progress handler
                string           activity        = String.Format("Copy Blob {0} to {1}", srcBlockblob.Name, destBlob.Name);
                string           status          = "Prepare to Copy Blob";
                ProgressRecord   pr              = new ProgressRecord(OutputStream.GetProgressId(taskId), activity, status);
                IProgress <long> progressHandler = new Progress <long>((finishedBytes) =>
                {
                    if (pr != null)
                    {
                        // Size of the source file might be 0, when it is, directly treat the progress as 100 percent.
                        pr.PercentComplete   = 0 == srcProperties.ContentLength ? 100 : (int)(finishedBytes * 100 / srcProperties.ContentLength);
                        pr.StatusDescription = string.Format("Percent: {0}%.", pr.PercentComplete);
                        Console.WriteLine(finishedBytes);
                        this.OutputStream.WriteProgress(pr);
                    }
                });

                switch (destBlobType)
                {
                case Track2Models.BlobType.Block:

                    BlockBlobClient destBlockBlob = (BlockBlobClient)Util.GetTrack2BlobClientWithType(destBlob, Channel.StorageContext, Track2Models.BlobType.Block, ClientOptions);

                    Track2Models.CommitBlockListOptions commitBlockListOptions = new Track2Models.CommitBlockListOptions();
                    commitBlockListOptions.HttpHeaders                    = new Track2Models.BlobHttpHeaders();
                    commitBlockListOptions.HttpHeaders.ContentType        = srcProperties.ContentType;
                    commitBlockListOptions.HttpHeaders.ContentHash        = srcProperties.ContentHash;
                    commitBlockListOptions.HttpHeaders.ContentEncoding    = srcProperties.ContentEncoding;
                    commitBlockListOptions.HttpHeaders.ContentLanguage    = srcProperties.ContentLanguage;
                    commitBlockListOptions.HttpHeaders.ContentDisposition = srcProperties.ContentDisposition;
                    commitBlockListOptions.Metadata = srcProperties.Metadata;
                    try
                    {
                        commitBlockListOptions.Tags = srcBlockblob.GetTags(cancellationToken: this.CmdletCancellationToken).Value.Tags;
                    }
                    catch (global::Azure.RequestFailedException e) when(e.Status == 403 || e.Status == 404 || e.Status == 401)
                    {
                        if (!this.Force && !OutputStream.ConfirmAsync("Can't get source blob Tags, so source blob tags won't be copied to dest blob. Do you want to continue the blob copy?").Result)
                        {
                            return;
                        }
                    }

                    long     blockLength = GetBlockLength(srcProperties.ContentLength);
                    string[] blockIDs    = GetBlockIDs(srcProperties.ContentLength, blockLength, destBlockBlob.Name);
                    long     copyoffset  = 0;
                    progressHandler.Report(copyoffset);
                    foreach (string id in blockIDs)
                    {
                        long blocksize = blockLength;
                        if (copyoffset + blocksize > srcProperties.ContentLength)
                        {
                            blocksize = srcProperties.ContentLength - copyoffset;
                        }
                        destBlockBlob.StageBlockFromUri(srcUri, id, new global::Azure.HttpRange(copyoffset, blocksize), null, null, null, cancellationToken: this.CmdletCancellationToken);
                        copyoffset += blocksize;
                        progressHandler.Report(copyoffset);
                    }
                    destBlockBlob.CommitBlockList(blockIDs, commitBlockListOptions, this.CmdletCancellationToken);

                    break;

                case Track2Models.BlobType.Page:
                case Track2Models.BlobType.Append:
                default:
                    throw new ArgumentException(string.Format("The cmdlet currently only support souce blob and destination blob are both block blob. The dest blob type is {0}.", destBlobType));
                }

                OutputStream.WriteObject(taskId, new AzureStorageBlob(destBlob, destChannel.StorageContext, null, options: ClientOptions));
            }
        }