chore: Grant enableSharding permission to admin and default

lib/charms/mongodb/v0/mongo.py

@@ -31,7 +31,7 @@ class NotReadyError(PyMongoError):
 
 # Increment this PATCH version before using `charmcraft publish-lib` or reset
 # to 0 if you are raising the major API version
-LIBPATCH = 1
+LIBPATCH = 2
 
 ADMIN_AUTH_SOURCE = "authSource=admin"
 SYSTEM_DBS = ("admin", "local", "config")
@@ -40,6 +40,7 @@ class NotReadyError(PyMongoError):
         {"role": "userAdminAnyDatabase", "db": "admin"},
         {"role": "readWriteAnyDatabase", "db": "admin"},
         {"role": "userAdmin", "db": "admin"},
+        {"role": "enableSharding", "db": "admin"},
     ],
     "monitor": [
         {"role": "explainRole", "db": "admin"},
@@ -127,7 +128,12 @@ def uri(self):
 
 def supported_roles(config: MongoConfiguration):
     """Return the supported roles for the given configuration."""
-    return REGULAR_ROLES | {"default": [{"db": config.database, "role": "readWrite"}]}
+    return REGULAR_ROLES | {
+        "default": [
+            {"db": config.database, "role": "readWrite"},
+            {"db": config.database, "role": "enableSharding"},
+        ]
+    }
 
 
 class MongoConnection:

lib/charms/mongodb/v1/mongodb_provider.py

@@ -31,7 +31,7 @@
 
 # Increment this PATCH version before using `charmcraft publish-lib` or reset
 # to 0 if you are raising the major API version
-LIBPATCH = 13
+LIBPATCH = 14
 
 logger = logging.getLogger(__name__)
 REL_NAME = "database"
@@ -506,6 +506,7 @@ def _get_database_from_relation(relation: Relation) -> Optional[str]:
     def _get_roles_from_relation(relation: Relation) -> Set[str]:
         """Return additional user roles from relation if specified or return None."""
         roles = relation.data[relation.app].get("extra-user-roles", None)
+        logger.error(f"ROLES = {roles}")
         if roles is not None:
             return set(roles.split(","))
         return {"default"}