bugfix

disk.py

@@ -386,6 +386,7 @@ class Disk(object):
     def snapshot(self):
         """ Creating qcow2 snapshot with base image.
         """
+        logger.debug('Create snapshot from base-image: %s', self.get_desc())
         # Check if snapshot type and qcow2 format matchmatch
         if self.type != 'snapshot':
             raise Exception('Invalid type: %s' % self.type)
@@ -401,10 +402,10 @@ class Disk(object):
         elif self.format == 'raw':
             raise NotImplemented()
         else:
-            cmdline = ['ionice', '-c', 'idle',
+            cmdline = [# 'ionice', '-c', 'idle',
                        'qemu-img', 'create',
+                       '-f', self.format, '-F', 'qcow2',
                        '-b', self.get_base(),
-                       '-f', self.format,
                        self.get_path()]
             # Call subprocess
             subprocess.check_output(cmdline)

storagedriver.py

@@ -33,7 +33,7 @@ def create_ci_disk(disk_desc, meta_data, user_data):
     disk = Disk.deserialize(disk_desc)
     disk.create_ci_disk(meta_data=meta_data, user_data=user_data)
     return {'size': disk.size,
-                'type': disk.format,
+                'type': 'raw-ro',
                 'checksum': disk.checksum, }