get_blob.rb in fog-azure-rm-0.1.2

- old
+ new
@@ -1,163 +1,163 @@
-module Fog
-  module Storage
-    class AzureRM
-      # This class provides the actual implemention for service calls.
-      class Real
-        BLOCK_SIZE = 32 * 1024 * 1024 # 32 MB
-
-        def get_blob_with_block_given(container_name, blob_name, options, &_block)
-          options[:request_id] = SecureRandom.uuid
-          msg = "get_blob_with_block_given: blob #{blob_name} in the container #{container_name}. options: #{options}"
-          Fog::Logger.debug msg
-
-          begin
-            blob = @blob_client.get_blob_properties(container_name, blob_name, options)
-          rescue Azure::Core::Http::HTTPError => ex
-            raise 'NotFound' if ex.message.include?('(404)')
-            raise_azure_exception(ex, msg)
-          end
-
-          content_length = blob.properties[:content_length]
-          if content_length.zero?
-            Proc.new.call('', 0, 0)
-            return [blob, '']
-          end
-
-          start_range = 0
-          end_range = content_length - 1
-          start_range = options[:start_range] if options[:start_range]
-          end_range = options[:end_range] if options[:end_range]
-          raise ArgumentError.new(':end_range MUST be greater than :start_range') if start_range > end_range
-
-          if start_range == end_range
-            Proc.new.call('', 0, 0)
-            return [blob, '']
-          end
-
-          buffer_size = BLOCK_SIZE
-          buffer_size = options[:block_size] if options[:block_size]
-          buffer_start_range = start_range
-          total_bytes = end_range - start_range + 1
-          params = options.dup
-
-          while buffer_start_range < end_range
-            buffer_end_range = [end_range, buffer_start_range + buffer_size - 1].min
-            params[:start_range] = buffer_start_range
-            params[:end_range] = buffer_end_range
-            params[:request_id] = SecureRandom.uuid
-
-            begin
-              msg = "get_blob_with_block_given: blob #{blob_name} in the container #{container_name}. options: #{params}"
-              Fog::Logger.debug msg
-              _, content = @blob_client.get_blob(container_name, blob_name, params)
-            rescue Azure::Core::Http::HTTPError => ex
-              raise 'NotFound' if ex.message.include?('(404)')
-              raise_azure_exception(ex, msg)
-            end
-
-            Proc.new.call(content, end_range - buffer_end_range, total_bytes)
-            buffer_start_range += buffer_size
-          end
-          # No need to return content when block is given.
-          [blob, '']
-        end
-
-        def get_blob(container_name, blob_name, options = {}, &block)
-          if block_given?
-            get_blob_with_block_given(container_name, blob_name, options, &block)
-          else
-            options[:request_id] = SecureRandom.uuid
-            msg = "get_blob blob #{blob_name} in the container #{container_name}. options: #{options}"
-            Fog::Logger.debug msg
-
-            begin
-              blob, content = @blob_client.get_blob(container_name, blob_name, options)
-              Fog::Logger.debug "Get blob #{blob_name} successfully."
-              [blob, content]
-            rescue Azure::Core::Http::HTTPError => ex
-              raise 'NotFound' if ex.message.include?('(404)')
-              raise_azure_exception(ex, msg)
-            end
-          end
-        end
-      end
-
-      # This class provides the mock implementation for unit tests.
-      class Mock
-        def get_blob(_container_name, _blob_name, _options = {}, &_block)
-          Fog::Logger.debug 'get_blob successfully.'
-          unless block_given?
-            return [
-              {
-                'name' => 'test_blob',
-                'metadata' => {},
-                'properties' => {
-                  'last_modified' => 'Mon, 04 Jul 2016 09:30:31 GMT',
-                  'etag' => '0x8D3A3EDD7C2B777',
-                  'lease_status' => 'unlocked',
-                  'lease_state' => 'available',
-                  'lease_duration' => nil,
-                  'content_length' => 4_194_304,
-                  'content_type' => 'application/octet-stream',
-                  'content_encoding' => nil,
-                  'content_language' => nil,
-                  'content_disposition' => nil,
-                  'content_md5' => 'tXAohIyxuu/t94Lp/ujeRw==',
-                  'cache_control' => nil,
-                  'sequence_number' => 0,
-                  'blob_type' => 'PageBlob',
-                  'copy_id' => '095adc3b-e277-4c3d-97e0-0abca881f60c',
-                  'copy_status' => 'success',
-                  'copy_source' => 'https://testaccount.blob.core.windows.net/testblob/4m?snapshot=2016-02-04T08%3A35%3A50.3157696Z',
-                  'copy_progress' => '4194304/4194304',
-                  'copy_completion_time' => 'Thu, 04 Feb 2016 08:35:52 GMT',
-                  'copy_status_description' => nil,
-                  'accept_ranges' => 0
-                }
-              },
-              'content'
-            ]
-          end
-          data = StringIO.new('content')
-          remaining = total_bytes = data.length
-          while remaining > 0
-            chunk = data.read([remaining, 2].min)
-            Proc.new.call(chunk, remaining, total_bytes)
-            remaining -= 2
-          end
-
-          [
-            {
-              'name' => 'test_blob',
-              'metadata' => {},
-              'properties' => {
-                'last_modified' => 'Mon, 04 Jul 2016 09:30:31 GMT',
-                'etag' => '0x8D3A3EDD7C2B777',
-                'lease_status' => 'unlocked',
-                'lease_state' => 'available',
-                'lease_duration' => nil,
-                'content_length' => 4_194_304,
-                'content_type' => 'application/octet-stream',
-                'content_encoding' => nil,
-                'content_language' => nil,
-                'content_disposition' => nil,
-                'content_md5' => 'tXAohIyxuu/t94Lp/ujeRw==',
-                'cache_control' => nil,
-                'sequence_number' => 0,
-                'blob_type' => 'PageBlob',
-                'copy_id' => '095adc3b-e277-4c3d-97e0-0abca881f60c',
-                'copy_status' => 'success',
-                'copy_source' => 'https://testaccount.blob.core.windows.net/testblob/4m?snapshot=2016-02-04T08%3A35%3A50.3157696Z',
-                'copy_progress' => '4194304/4194304',
-                'copy_completion_time' => 'Thu, 04 Feb 2016 08:35:52 GMT',
-                'copy_status_description' => nil,
-                'accept_ranges' => 0
-              }
-            },
-            ''
-          ]
-        end
-      end
-    end
-  end
-end
+module Fog
+  module Storage
+    class AzureRM
+      # This class provides the actual implemention for service calls.
+      class Real
+        BLOCK_SIZE = 32 * 1024 * 1024 # 32 MB
+
+        def get_blob_with_block_given(container_name, blob_name, options, &_block)
+          options[:request_id] = SecureRandom.uuid
+          msg = "get_blob_with_block_given: blob #{blob_name} in the container #{container_name}. options: #{options}"
+          Fog::Logger.debug msg
+
+          begin
+            blob = @blob_client.get_blob_properties(container_name, blob_name, options)
+          rescue Azure::Core::Http::HTTPError => ex
+            raise 'NotFound' if ex.message.include?('(404)')
+            raise_azure_exception(ex, msg)
+          end
+
+          content_length = blob.properties[:content_length]
+          if content_length.zero?
+            Proc.new.call('', 0, 0)
+            return [blob, '']
+          end
+
+          start_range = 0
+          end_range = content_length - 1
+          start_range = options[:start_range] if options[:start_range]
+          end_range = options[:end_range] if options[:end_range]
+          raise ArgumentError.new(':end_range MUST be greater than :start_range') if start_range > end_range
+
+          if start_range == end_range
+            Proc.new.call('', 0, 0)
+            return [blob, '']
+          end
+
+          buffer_size = BLOCK_SIZE
+          buffer_size = options[:block_size] if options[:block_size]
+          buffer_start_range = start_range
+          total_bytes = end_range - start_range + 1
+          params = options.dup
+
+          while buffer_start_range < end_range
+            buffer_end_range = [end_range, buffer_start_range + buffer_size - 1].min
+            params[:start_range] = buffer_start_range
+            params[:end_range] = buffer_end_range
+            params[:request_id] = SecureRandom.uuid
+
+            begin
+              msg = "get_blob_with_block_given: blob #{blob_name} in the container #{container_name}. options: #{params}"
+              Fog::Logger.debug msg
+              _, content = @blob_client.get_blob(container_name, blob_name, params)
+            rescue Azure::Core::Http::HTTPError => ex
+              raise 'NotFound' if ex.message.include?('(404)')
+              raise_azure_exception(ex, msg)
+            end
+
+            Proc.new.call(content, end_range - buffer_end_range, total_bytes)
+            buffer_start_range += buffer_size
+          end
+          # No need to return content when block is given.
+          [blob, '']
+        end
+
+        def get_blob(container_name, blob_name, options = {}, &block)
+          if block_given?
+            get_blob_with_block_given(container_name, blob_name, options, &block)
+          else
+            options[:request_id] = SecureRandom.uuid
+            msg = "get_blob blob #{blob_name} in the container #{container_name}. options: #{options}"
+            Fog::Logger.debug msg
+
+            begin
+              blob, content = @blob_client.get_blob(container_name, blob_name, options)
+              Fog::Logger.debug "Get blob #{blob_name} successfully."
+              [blob, content]
+            rescue Azure::Core::Http::HTTPError => ex
+              raise 'NotFound' if ex.message.include?('(404)')
+              raise_azure_exception(ex, msg)
+            end
+          end
+        end
+      end
+
+      # This class provides the mock implementation for unit tests.
+      class Mock
+        def get_blob(_container_name, _blob_name, _options = {}, &_block)
+          Fog::Logger.debug 'get_blob successfully.'
+          unless block_given?
+            return [
+              {
+                'name' => 'test_blob',
+                'metadata' => {},
+                'properties' => {
+                  'last_modified' => 'Mon, 04 Jul 2016 09:30:31 GMT',
+                  'etag' => '0x8D3A3EDD7C2B777',
+                  'lease_status' => 'unlocked',
+                  'lease_state' => 'available',
+                  'lease_duration' => nil,
+                  'content_length' => 4_194_304,
+                  'content_type' => 'application/octet-stream',
+                  'content_encoding' => nil,
+                  'content_language' => nil,
+                  'content_disposition' => nil,
+                  'content_md5' => 'tXAohIyxuu/t94Lp/ujeRw==',
+                  'cache_control' => nil,
+                  'sequence_number' => 0,
+                  'blob_type' => 'PageBlob',
+                  'copy_id' => '095adc3b-e277-4c3d-97e0-0abca881f60c',
+                  'copy_status' => 'success',
+                  'copy_source' => 'https://testaccount.blob.core.windows.net/testblob/4m?snapshot=2016-02-04T08%3A35%3A50.3157696Z',
+                  'copy_progress' => '4194304/4194304',
+                  'copy_completion_time' => 'Thu, 04 Feb 2016 08:35:52 GMT',
+                  'copy_status_description' => nil,
+                  'accept_ranges' => 0
+                }
+              },
+              'content'
+            ]
+          end
+          data = StringIO.new('content')
+          remaining = total_bytes = data.length
+          while remaining > 0
+            chunk = data.read([remaining, 2].min)
+            Proc.new.call(chunk, remaining, total_bytes)
+            remaining -= 2
+          end
+
+          [
+            {
+              'name' => 'test_blob',
+              'metadata' => {},
+              'properties' => {
+                'last_modified' => 'Mon, 04 Jul 2016 09:30:31 GMT',
+                'etag' => '0x8D3A3EDD7C2B777',
+                'lease_status' => 'unlocked',
+                'lease_state' => 'available',
+                'lease_duration' => nil,
+                'content_length' => 4_194_304,
+                'content_type' => 'application/octet-stream',
+                'content_encoding' => nil,
+                'content_language' => nil,
+                'content_disposition' => nil,
+                'content_md5' => 'tXAohIyxuu/t94Lp/ujeRw==',
+                'cache_control' => nil,
+                'sequence_number' => 0,
+                'blob_type' => 'PageBlob',
+                'copy_id' => '095adc3b-e277-4c3d-97e0-0abca881f60c',
+                'copy_status' => 'success',
+                'copy_source' => 'https://testaccount.blob.core.windows.net/testblob/4m?snapshot=2016-02-04T08%3A35%3A50.3157696Z',
+                'copy_progress' => '4194304/4194304',
+                'copy_completion_time' => 'Thu, 04 Feb 2016 08:35:52 GMT',
+                'copy_status_description' => nil,
+                'accept_ranges' => 0
+              }
+            },
+            ''
+          ]
+        end
+      end
+    end
+  end
+end