Create database DBA role

Author: sinclert-canonical

common/common/mysql_shell/__init__.py

@@ -156,6 +156,14 @@ def create_application_database(self, *, database: str) -> str:
                 f"GRANT SELECT, INSERT, DELETE, UPDATE ON `{database}`.* TO {_ROLE_DML}",
             )
 
+        statements.extend(
+            (
+                f"CREATE ROLE IF NOT EXISTS `charmed_dba_{database}`",
+                f"GRANT SELECT, INSERT, DELETE, UPDATE, EXECUTE ON `{database}`.* TO charmed_dba_{database}",
+                f"GRANT ALTER, ALTER ROUTINE, CREATE, CREATE ROUTINE, CREATE VIEW, DROP, INDEX, LOCK TABLES, REFERENCES, TRIGGER ON `{database}`.* TO charmed_dba_{database}",
+            ),
+        )
+
         logger.debug(f"Creating {database=}")
         self._run_sql(statements)
         logger.debug(f"Created {database=}")