ceph: fix storage stat sizes, add dummy ceph file stats implementation

storagedriver.py

@@ -114,8 +114,8 @@ def get_storage_stat(data_store_type, path):
     if data_store_type == "ceph_block":
         with CephConnection(str(path)) as conn:
             stat = conn.cluster.get_cluster_stats()
-            all_space = stat["kb"]
-            free_space = stat["kb_avail"]
+            all_space = stat["kb"] * 1024.0
+            free_space = stat["kb_avail"] * 1024.0
     else:
         s = statvfs(path)
         all_space = s.f_bsize * s.f_blocks
@@ -127,7 +127,13 @@ def get_storage_stat(data_store_type, path):
 
 
 @celery.task()
-def get_file_statistics(datastore):
+def get_file_statistics(data_store_type, datastore):
+    if data_store_type == 'ceph_block':
+        # TODO get proper data
+        disks = []
+        dumps = []
+        trash = []
+    else:
         disks = [Disk.get(datastore, name).get_desc()
                  for name in listdir(datastore)
                  if not name.endswith(".dump") and