Make BlockDev subclasses adhere the interface for Create

In commit 702c3270 two new parameters were added to the
Create function of BlockDev. Make subclasses also adhere
this specification.
Signed-off-by: Klaus Aehlig <aehlig@google.com>
Reviewed-by: Petr Pudlak <pudlak@google.com>

lib/storage/bdev.py

@@ -127,7 +127,7 @@ class LogicalVolume(base.BlockDev):
 
   @classmethod
   def Create(cls, unique_id, children, size, spindles, params, excl_stor,
-             dyn_params):
+             dyn_params, *args):
     """Create a new logical volume.
 
     """
@@ -209,7 +209,7 @@ class LogicalVolume(base.BlockDev):
     if result.failed:
       base.ThrowError("LV create failed (%s): %s",
                       result.fail_reason, result.output)
-    return LogicalVolume(unique_id, children, size, params, dyn_params)
+    return LogicalVolume(unique_id, children, size, params, dyn_params, *args)
 
   @staticmethod
   def _GetVolumeInfo(lvm_cmd, fields):
@@ -751,7 +751,7 @@ class PersistentBlockDevice(base.BlockDev):
 
   @classmethod
   def Create(cls, unique_id, children, size, spindles, params, excl_stor,
-             dyn_params):
+             dyn_params, *args):
     """Create a new device
 
     This is a noop, we only return a PersistentBlockDevice instance
@@ -760,7 +760,8 @@ class PersistentBlockDevice(base.BlockDev):
     if excl_stor:
       raise errors.ProgrammerError("Persistent block device requested with"
                                    " exclusive_storage")
-    return PersistentBlockDevice(unique_id, children, 0, params, dyn_params)
+    return PersistentBlockDevice(unique_id, children, 0, params, dyn_params,
+                                 *args)
 
   def Remove(self):
     """Remove a device
@@ -854,7 +855,7 @@ class RADOSBlockDevice(base.BlockDev):
 
   @classmethod
   def Create(cls, unique_id, children, size, spindles, params, excl_stor,
-             dyn_params):
+             dyn_params, *args):
     """Create a new rbd device.
 
     Provision a new rbd volume inside a RADOS pool.
@@ -877,7 +878,8 @@ class RADOSBlockDevice(base.BlockDev):
       base.ThrowError("rbd creation failed (%s): %s",
                       result.fail_reason, result.output)
 
-    return RADOSBlockDevice(unique_id, children, size, params, dyn_params)
+    return RADOSBlockDevice(unique_id, children, size, params, dyn_params,
+                            *args)
 
   def Remove(self):
     """Remove the rbd device.
@@ -1210,7 +1212,7 @@ class ExtStorageDevice(base.BlockDev):
 
     """
     super(ExtStorageDevice, self).__init__(unique_id, children, size, params,
-                                           dyn_params)
+                                           dyn_params, *args)
     (self.name, self.uuid) = args
 
     if not isinstance(unique_id, (tuple, list)) or len(unique_id) != 2:
@@ -1245,7 +1247,8 @@ class ExtStorageDevice(base.BlockDev):
     _ExtStorageAction(constants.ES_ACTION_CREATE, unique_id,
                       params, size=str(size), name=name, uuid=uuid)
 
-    return ExtStorageDevice(unique_id, children, size, params, dyn_params)
+    return ExtStorageDevice(unique_id, children, size, params, dyn_params,
+                            *args)
 
   def Remove(self):
     """Remove the extstorage device.

lib/storage/drbd.py

@@ -1027,7 +1027,7 @@ class DRBD8Dev(base.BlockDev):
 
   @classmethod
   def Create(cls, unique_id, children, size, spindles, params, excl_stor,
-             dyn_params):
+             dyn_params, *_):
     """Create a new DRBD8 device.
 
     Since DRBD devices are not created per se, just assembled, this

lib/storage/filestorage.py

@@ -265,7 +265,7 @@ class FileStorage(base.BlockDev):
 
   @classmethod
   def Create(cls, unique_id, children, size, spindles, params, excl_stor,
-             dyn_params):
+             dyn_params, *args):
     """Create a new file.
 
     @type size: int
@@ -284,7 +284,8 @@ class FileStorage(base.BlockDev):
     dev_path = unique_id[1]
 
     FileDeviceHelper.CreateFile(dev_path, size)
-    return FileStorage(unique_id, children, size, params, dyn_params)
+    return FileStorage(unique_id, children, size, params, dyn_params,
+                       *args)
 
 
 def GetFileStorageSpaceInfo(path):

lib/storage/gluster.py

@@ -417,7 +417,7 @@ class GlusterStorage(base.BlockDev):
 
   @classmethod
   def Create(cls, unique_id, children, size, spindles, params, excl_stor,
-             dyn_params):
+             dyn_params, *args):
     """Create a new file.
 
     @param size: the size of file in MiB
@@ -446,4 +446,5 @@ class GlusterStorage(base.BlockDev):
     with volume_obj.Mount():
       FileDeviceHelper.CreateFile(full_path, size, create_folders=True)
 
-    return GlusterStorage(unique_id, children, size, params, dyn_params)
+    return GlusterStorage(unique_id, children, size, params, dyn_params,
+                          *args)