Bumping up the AzureStorage version to 8.0.1 and addressing a storage issue. (#92)

* Bumping up the AzureStorage version to 8.0.1 and temporarily working around an issue due to storage bug.

* .

* Removing redundant CBD parameter.

* .

src/Microsoft.Azure.EventHubs.Processor/AzureStorageCheckpointLeaseManager.cs

@@ -206,7 +206,8 @@ namespace Microsoft.Azure.EventHubs.Processor
         {
     	    AzureBlobLease retval = null;
 
-            CloudBlockBlob leaseBlob = this.consumerGroupDirectory.GetBlockBlobReference(partitionId);
+            CloudBlockBlob leaseBlob = GetBlockBlobReference(partitionId);
+
             if (await leaseBlob.ExistsAsync().ConfigureAwait(false))
 		    {
                 retval = await DownloadLeaseAsync(partitionId, leaseBlob).ConfigureAwait(false);
@@ -232,7 +233,7 @@ namespace Microsoft.Azure.EventHubs.Processor
         	AzureBlobLease returnLease;
     	    try
     	    {
-    		    CloudBlockBlob leaseBlob = this.consumerGroupDirectory.GetBlockBlobReference(partitionId);
+                CloudBlockBlob leaseBlob = GetBlockBlobReference(partitionId);
                 returnLease = new AzureBlobLease(partitionId, leaseBlob);
                 string jsonLease = JsonConvert.SerializeObject(returnLease);
 
@@ -470,5 +471,18 @@ namespace Microsoft.Azure.EventHubs.Processor
             }
             return retval;
         }
+
+        CloudBlockBlob GetBlockBlobReference(string partitionId)
+        {
+            CloudBlockBlob leaseBlob = this.consumerGroupDirectory.GetBlockBlobReference(partitionId);
+
+            // GetBlockBlobReference creates a new ServiceClient thus resets options.
+            // Because of this we lose settings like MaximumExecutionTime on the client.
+            // Until storage addresses the issue we need to override it here once more.
+            // Tracking bug: https://github.com/Azure/azure-storage-net/issues/398
+            leaseBlob.ServiceClient.DefaultRequestOptions = this.storageClient.DefaultRequestOptions;
+
+            return leaseBlob;
+        }
     }
 }

src/Microsoft.Azure.EventHubs.Processor/project.json

@@ -23,7 +23,7 @@
       "target": "project" 
     },
     "Newtonsoft.Json": "9.0.1",
-    "WindowsAzure.Storage": "7.2.1"
+    "WindowsAzure.Storage": "8.0.1"
   },
 
   "frameworks": {