- except ValidationError as exc:
- logger.exception(exc)
- return "", 400
- except exceptions.PolicyTypeNotFound as exc:
- logger.exception(exc)
- return "", 404
- except exceptions.PolicyInstanceNotFound as exc:
- logger.exception(exc)
- return "", 404
- except exceptions.MissingManifest as exc:
- logger.exception(exc)
- return "A1 was unable to find the required RIC manifest. report this!", 500
- except exceptions.MissingRmrString as exc:
- logger.exception(exc)
- return "A1 does not have a mapping for the desired rmr string. report this!", 500
- except BaseException as exc:
- # catch all, should never happen...
- logger.exception(exc)
- return Response(status=500)
-
-
-def _put_handler(policy_type_id, policy_instance_id, instance):
- """
- Handles policy put
-
- For now, policy_type_id is used as the message type
- """
- # check for 404
- data.type_is_valid(policy_type_id)
-
- # validate the PUT against the schema, or if there is no shema, make sure the pUT is empty
- schema = _get_policy_schema(policy_type_id)
- if schema:
- utils.validate_json(instance, schema)
- elif instance != {}:
- return "BODY SUPPLIED BUT POLICY HAS NO EXPECTED BODY", 400
-
- # store the instance
- data.store_policy_instance(policy_type_id, policy_instance_id, instance)
-
- body = {
- "operation": "CREATE",
- "policy_type_id": policy_type_id,
- "policy_instance_id": policy_instance_id,
- "payload": instance,
- }
-
- # send rmr (best effort)
- a1rmr.send(json.dumps(body), message_type=policy_type_id)
-
- return "", 201
-
-
-def _get_status_handler(policy_type_id, policy_instance_id):
- """
- Pop trough A1s mailbox, insert the latest status updates into the database, and then return the status vector
-
- NOTE: this is done lazily. Meaning, when someone performs a GET on this API, we pop through a1s mailbox.
- THis may not work in the future if there are "thousands" of policy acknowledgements that hit a1 before this is called,
- because the rmr mailbox may fill. However, in the near term, we do not expect this to happen.
- """
- # check validity to 404 first:
- data.type_is_valid(policy_type_id)
- data.instance_is_valid(policy_type_id, policy_instance_id)
-
- # pop a1s mailbox, looking for policy notifications
- new_messages = a1rmr.dequeue_all_waiting_messages(21024)
-
- # try to parse the messages as responses. Drop those that are malformed
- for msg in new_messages:
- # note, we don't use the parameters "policy_type_id, policy_instance" from above here,
- # because we are popping the whole mailbox, which might include other statuses
- pay = json.loads(msg["payload"])
- if "policy_type_id" in pay and "policy_instance_id" in pay and "handler_id" in pay and "status" in pay:
- data.set_policy_instance_status(
- pay["policy_type_id"], pay["policy_instance_id"], pay["handler_id"], pay["status"]
- )
- else:
- logger.debug("Dropping message")
- logger.debug(pay)
-
- # return the status vector
- return data.get_policy_instance_statuses(policy_type_id, policy_instance_id)
+ except (ValidationError, exceptions.PolicyTypeAlreadyExists, exceptions.PolicyTypeIdMismatch, exceptions.CantDeleteNonEmptyType) as exc:
+ return _log_build_http_resp(exc, 400)
+ except (exceptions.PolicyTypeNotFound, exceptions.PolicyInstanceNotFound) as exc:
+ return _log_build_http_resp(exc, 404)
+ except (RejectedByBackend, NotConnected, BackendError) as exc:
+ """
+ These are SDL errors. At the time of development here, we do not have a good understanding
+ which of these errors are "try again later it may work" and which are "never going to work".
+ There is some discussion that RejectedByBackend is in the latter category, suggesting it
+ should map to 400, but until we understand the root cause of these errors, it's confusing
+ to clients to give them a 400 (a "your fault" code) because they won't know how to fix.
+ For now, we log, and 503, and investigate the logs later to improve the handling/reporting.
+ """
+ # mdc_logger.exception(exc) # waiting for https://jira.o-ran-sc.org/browse/RIC-39
+ return _log_build_http_resp(exc, 503)
+ # let other types of unexpected exceptions blow up and log