Remove the redundant volume/snapshot check
In DB layer, there are some redundant resource existing check.
Such as "volume_metadata_get", it called
twice at the same time.
We should remove the redundant db query check to improve the
performance.
Closes-bug:
@@ -2711,7 +2711,6 @@ def _volume_image_metadata_get_query(context, volume_id, session=None):
@require_context
-@require_volume_exists
def _volume_user_metadata_get(context, volume_id, session=None):
return _volume_x_metadata_get(context, volume_id,
models.VolumeMetadata, session=session)
@@ -2783,7 +2782,6 @@ def volume_metadata_delete(context, volume_id, key, meta_type):
@require_context
-@require_volume_exists
@handle_db_data_error
@_retry_on_deadlock
def volume_metadata_update(context, volume_id, metadata, delete, meta_type):
@@ -4752,7 +4750,6 @@ def _volume_glance_metadata_get(context, volume_id, session=None):
@require_context
-@require_volume_exists
def volume_glance_metadata_get(context, volume_id):
"""Return the Glance metadata for the specified volume."""
@@ -4774,7 +4771,6 @@ def _volume_snapshot_glance_metadata_get(context, snapshot_id, session=None):
@require_context
-@require_snapshot_exists
def volume_snapshot_glance_metadata_get(context, snapshot_id):
"""Return the Glance metadata for the specified snapshot."""
@@ -4862,7 +4858,6 @@ def volume_glance_metadata_copy_to_snapshot(context, snapshot_id, volume_id):
@require_context
-@require_volume_exists
def volume_glance_metadata_copy_from_volume_to_volume(context,
src_volume_id,
volume_id):
