lib/fog/aliyun/models/compute/image.rb in fog-aliyun-0.3.3 vs lib/fog/aliyun/models/compute/image.rb in fog-aliyun-0.3.4

@@ -27,10 +27,12 @@
         attribute :platform, aliases: 'Platform'
         attribute :size, aliases: 'Size'
         attribute :snapshot_id, aliases: 'SnapshotId'
 
         def initialize(attributes)
-          self.snapshot_id = attributes['DiskDeviceMappings']['DiskDeviceMapping'][0]['SnapshotId']
+          unless attributes['DiskDeviceMappings']['DiskDeviceMapping'].empty?
+            self.snapshot_id = attributes['DiskDeviceMappings']['DiskDeviceMapping'][0]['SnapshotId']
+          end
           super
         end
 
         def save(options = {})
           requires :snapshot_id