private static async Task AppendToBlob(CloudBlockBlob blockBlob, string content, string md5)
{
var leaseId = await blockBlob.AcquireLeaseAsync(TimeSpan.FromSeconds(30), null);
var access = AccessCondition.GenerateLeaseCondition(leaseId);
var options = new BlobRequestOptions();
var context = new OperationContext();
try
{
var blockId = Convert.ToBase64String(Guid.NewGuid().ToByteArray());
using (var stream = new MemoryStream(Encoding.UTF8.GetBytes(content)))
{
stream.Position = 0;
await blockBlob.PutBlockAsync(blockId, stream, md5, access, options, context);
}
var blockList = await blockBlob.DownloadBlockListAsync(BlockListingFilter.Committed, access, options, context);
var blockIds = blockList.Select(x => x.Name).ToList();
blockIds.Add(blockId);
await blockBlob.PutBlockListAsync(blockIds, access, options, context);
}
catch(Exception ex)
{
//TODO - logging
}
finally
{
await blockBlob.ReleaseLeaseAsync(access);
}
}
