Add delete snapshot preconditions
Adds details to the api-ref pointing out the necessary
snapshot states to be able to delete.
@@ -463,6 +463,10 @@ Delete a snapshot
Deletes a snapshot.
+Preconditions:
+
+ - Snapshot status must be ``available`` or ``error``
+
Response codes
--------------
@@ -470,6 +474,12 @@ Response codes
- 202
+.. rest_status_code:: error ../status.yaml
+
+ - 400
+ - 403
+ - 404
+
Request
-------
