RBAC for action-alias help changelog entry.

Author: nzlosh

CHANGELOG.rst

@@ -13,6 +13,9 @@ Fixed
 * Bumped `paramiko` to `2.10.5` to fix an issue with SSH Certs - https://github.com/paramiko/paramiko/issues/2017
   Contributed by @jk464
 
+* Added RBAC support to action-alias help end point. #6022
+  Contributed by @nzlosh
+
 Added
 ~~~~~
 * Move `git clone` to `user_home/.st2packs` #5845

st2api/st2api/controllers/v1/actionalias.py

@@ -122,21 +122,21 @@ def help(self, filter, pack, limit, offset, **kwargs):
                         permission_type=permission_type,
                     )
                     aliases.append(ActionAliasAPI(**alias))
-                except ResourceTypeAccessDeniedError as exception:
+                except ResourceTypeAccessDeniedError:
                     # Permission denied, don't include in output.
                     pass
                 except Exception as exception:
-                    LOG.exception(f"Error processing action-alias.")
+                    LOG.exception("Error processing action-alias: %s" % str(exception))
 
             return generate_helpstring_result(
                 aliases, filter, pack, int(limit), int(offset)
             )
-        except (TypeError) as e:
+        except TypeError as exception_type:
             LOG.exception(
                 "Helpstring request contains an invalid data type: %s.",
-                six.text_type(e),
+                six.text_type(exception_type),
             )
-            return abort(http_client.BAD_REQUEST, six.text_type(e))
+            return abort(http_client.BAD_REQUEST, six.text_type(exception_type))
 
     def post(self, action_alias, requester_user):
         """