Rev Azure SDK to v11.1.1

vendor/github.com/Azure/azure-sdk-for-go/storage/appendblob.go

@@ -1,7 +1,23 @@
 package storage
 
+// Copyright 2017 Microsoft Corporation
+//
+//  Licensed under the Apache License, Version 2.0 (the "License");
+//  you may not use this file except in compliance with the License.
+//  You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+//  Unless required by applicable law or agreed to in writing, software
+//  distributed under the License is distributed on an "AS IS" BASIS,
+//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//  See the License for the specific language governing permissions and
+//  limitations under the License.
+
 import (
 	"bytes"
+	"crypto/md5"
+	"encoding/base64"
 	"fmt"
 	"net/http"
 	"net/url"
@@ -11,6 +27,8 @@ import (
 // PutAppendBlob initializes an empty append blob with specified name. An
 // append blob must be created using this method before appending blocks.
 //
+// See CreateBlockBlobFromReader for more info on creating blobs.
+//
 // See https://docs.microsoft.com/en-us/rest/api/storageservices/fileservices/Put-Blob
 func (b *Blob) PutAppendBlob(options *PutBlobOptions) error {
 	params := url.Values{}
@@ -29,8 +47,7 @@ func (b *Blob) PutAppendBlob(options *PutBlobOptions) error {
 	if err != nil {
 		return err
 	}
-	readAndCloseBody(resp.body)
-	return checkRespCode(resp.statusCode, []int{http.StatusCreated})
+	return b.respondCreation(resp, BlobTypeAppend)
 }
 
 // AppendBlockOptions includes the options for an append block operation
@@ -44,6 +61,7 @@ type AppendBlockOptions struct {
 	IfMatch           string     `header:"If-Match"`
 	IfNoneMatch       string     `header:"If-None-Match"`
 	RequestID         string     `header:"x-ms-client-request-id"`
+	ContentMD5        bool
 }
 
 // AppendBlock appends a block to an append blob.
@@ -58,6 +76,10 @@ func (b *Blob) AppendBlock(chunk []byte, options *AppendBlockOptions) error {
 	if options != nil {
 		params = addTimeout(params, options.Timeout)
 		headers = mergeHeaders(headers, headersFromStruct(*options))
+		if options.ContentMD5 {
+			md5sum := md5.Sum(chunk)
+			headers[headerContentMD5] = base64.StdEncoding.EncodeToString(md5sum[:])
+		}
 	}
 	uri := b.Container.bsc.client.getEndpoint(blobServiceName, b.buildPath(), params)
 
@@ -65,6 +87,5 @@ func (b *Blob) AppendBlock(chunk []byte, options *AppendBlockOptions) error {
 	if err != nil {
 		return err
 	}
-	readAndCloseBody(resp.body)
-	return checkRespCode(resp.statusCode, []int{http.StatusCreated})
+	return b.respondCreation(resp, BlobTypeAppend)
 }