Revert "Don't update tags every time"

This reverts commit e77322c17931810f4029ef339a791f702f2f4580.

Change-Id: Ida826a2aa888beeb76dbe657b2ccd6cb088157ed

1 files changed, 6 insertions, 3 deletions

diff --git a/glanceclient/v2/schemas.py b/glanceclient/v2/schemas.py
index 8c838f8..8247d31 100644
--- a/glanceclient/v2/schemas.py
+++ b/glanceclient/v2/schemas.py
@@ -31,12 +31,12 @@ class SchemaBasedModel(warlock.Model):
     """
 
     def _make_custom_patch(self, new, original):
-        if 'tags' in new and 'tags' not in original:
+        if not self.get('tags'):
+            tags_patch = []
+        else:
             tags_patch = [{"path": "/tags",
                            "value": self.get('tags'),
                            "op": "replace"}]
-        else:
-            tags_patch = []
 
         patch_string = jsonpatch.make_patch(original, new).to_string()
         patch = json.loads(patch_string)
@@ -55,6 +55,9 @@ class SchemaBasedModel(warlock.Model):
                 if (name not in original and name in new and
                         prop.get('is_base', True)):
                     original[name] = None
+
+        original['tags'] = None
+        new['tags'] = None
         return self._make_custom_patch(new, original)