storage: implement Disk.restore

requires storagedriver b599a0f

circle/storage/models.py

@@ -380,11 +380,16 @@ class Disk(AclBase, TimeStampedModel):
         self.save()
         return True
 
-    def restore(self, user=None, task_uuid=None):
+    def restore(self, user=None, task_uuid=None, timeout=15):
         """Recover destroyed disk from trash if possible.
         """
-        # TODO
-        pass
+        queue_name = self.datastore.get_remote_queue_name(
+            'storage', priority='slow')
+        logger.info("Image: %s at Datastore: %s recovered from trash." %
+                    (self.filename, self.datastore.path))
+        storage_tasks.recover_from_trash.apply_async(
+            args=[self.datastore.path, self.filename],
+            queue=queue_name).get(timeout=timeout)
 
     def save_as(self, user=None, task_uuid=None, timeout=300):
         """Save VM as template.

circle/storage/tasks/storage_tasks.py

@@ -72,6 +72,9 @@ def make_free_space(datastore, percent):
 def move_to_trash(datastore, disk_path):
     pass
 
+@celery.task(name='storagedriver.recover_from_trash')
+def recover_from_trash(datastore, disk_path):
+    pass
 
 @celery.task(name='storagedriver.get_storage_stat')
 def get_storage_stat(path):