Fix predictive ordering of rds data (#4084)

Author: kddejong

scripts/update_schemas_from_aws_api.py

@@ -197,8 +197,6 @@ def write_db_instance(results):
 def write_db_instance_version_dbinstanceclass(results):
     schema = {"allOf": []}
 
-    schema = {"allOf": []}
-
     def _create_schema(engine, engine_version, db_instance_classes):
         v_parts = engine_version.split(".")
         engine_pattern = (
@@ -231,7 +229,7 @@ def _create_schema(engine, engine_version, db_instance_classes):
         }
 
     for engine, engine_details in sorted(results.items()):
-        for engine_version, engine_version_details in engine_details.items():
+        for engine_version, engine_version_details in sorted(engine_details.items()):
             db_instance_classes = engine_version_details.get("DBInstanceClass")
             if not db_instance_classes:
                 continue

src/cfnlint/data/schemas/extensions/aws_rds_dbcluster/engine_version.json

@@ -130,6 +130,7 @@
        "14.9",
        "15",
        "15.10",
+       "15.12",
        "15.3",
        "15.4",
        "15.5",
@@ -143,7 +144,8 @@
        "16.4",
        "16.4-limitless",
        "16.6",
-       "16.6-limitless"
+       "16.6-limitless",
+       "16.8"
       ]
      }
     }