def delete_metadata_key(self, key):
"""Optimized metadata delete method.
This provides a more efficient way to delete a single metadata
key, instead of just calling instance.save(). This should be called
with the key still present in self.metadata, which it will update
after completion.
"""
db.instance_metadata_delete(self._context, self.uuid, key)
md_was_changed = 'metadata' in self.obj_what_changed()
del self.metadata[key]
self._orig_metadata.pop(key, None)
notifications.send_update(self._context, self, self)
if not md_was_changed:
self.obj_reset_changes(['metadata'])
def delete_metadata_key(self, key):
"""Optimized metadata delete method.
This provides a more efficient way to delete a single metadata
key, instead of just calling instance.save(). This should be called
with the key still present in self.metadata, which it will update
after completion.
"""
db.instance_metadata_delete(self._context, self.uuid, key)
md_was_changed = 'metadata' in self.obj_what_changed()
del self.metadata[key]
self._orig_metadata.pop(key, None)
notifications.send_update(self._context, self, self)
if not md_was_changed:
self.obj_reset_changes(['metadata'])
