There were no custom roles created in the past, and i think with v8.5, RBAC was not there, and i dont see any options even now in grafana v8.5.9 with legacy alerting for creating roles.
- there are only managed roles
sqlite> select * from role ;
1|managed:users:5:permissions||1|1|managed_1_users_5|2022-11-18 09:10:37.172367591+00:00|2022-11-18 09:10:37.172367591+00:00|||0
2|managed:users:34:permissions||1|1|managed_1_users_34|2022-11-18 09:10:37.172367591+00:00|2022-11-18 09:10:37.172367591+00:00|||0
3|managed:users:4:permissions||1|1|managed_1_users_4|2022-11-18 09:10:37.172367591+00:00|2022-11-18 09:10:37.172367591+00:00|||0
4|managed:users:42:permissions||1|1|managed_1_users_42|2022-11-18 09:10:37.172367591+00:00|2022-11-18 09:10:37.172367591+00:00|||0
5|managed:users:54:permissions||1|1|managed_1_users_54|2022-11-18 09:10:37.172367591+00:00|2022-11-18 09:10:37.172367591+00:00|||0
- permissions table
sqlite> select * from permission ;
1|1|teams:read|teams:id:1|2022-11-18 09:10:37|2022-11-18 09:10:37
2|2|teams:read|teams:id:1|2022-11-18 09:10:37|2022-11-18 09:10:37
3|3|teams:read|teams:id:1|2022-11-18 09:10:37|2022-11-18 09:10:37
4|4|teams:read|teams:id:1|2022-11-18 09:10:37|2022-11-18 09:10:37
5|5|teams:read|teams:id:1|2022-11-18 09:10:37|2022-11-18 09:10:37