X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=a1%2Fcontroller.py;h=23ef804cb7a75bac264806fa939789752f3bbbe5;hb=refs%2Fchanges%2F36%2F3536%2F4;hp=42102668945d8ae5e4ac973ea5525be40647b3af;hpb=552bc9d3c4b3e5d01d9ddd687fb2f40f8eac4d10;p=ric-plt%2Fa1.git diff --git a/a1/controller.py b/a1/controller.py index 4210266..23ef804 100644 --- a/a1/controller.py +++ b/a1/controller.py @@ -1,6 +1,3 @@ -""" -Main a1 controller -""" # ================================================================================== # Copyright (c) 2019-2020 Nokia # Copyright (c) 2018-2020 AT&T Intellectual Property. @@ -17,6 +14,9 @@ Main a1 controller # See the License for the specific language governing permissions and # limitations under the License. # ================================================================================== +""" +Main a1 controller +""" from jsonschema import validate from jsonschema.exceptions import ValidationError import connexion @@ -30,23 +30,31 @@ mdc_logger = Logger(name=__name__) def _try_func_return(func): """ - generic caller that returns the apporp http response if exceptions are raised + helper method that runs the function and returns a detailed http response if an exception is raised. """ try: return func() - except (ValidationError, exceptions.PolicyTypeAlreadyExists, exceptions.CantDeleteNonEmptyType): - return "", 400 - except (exceptions.PolicyTypeNotFound, exceptions.PolicyInstanceNotFound): - return "", 404 - except (RejectedByBackend, NotConnected, BackendError): + except (ValidationError, exceptions.PolicyTypeAlreadyExists, exceptions.CantDeleteNonEmptyType) as exc: + msg = repr(exc) + mdc_logger.warning("Request failed, returning 400: {0}".format(msg)) + return msg, 400 + except (exceptions.PolicyTypeNotFound, exceptions.PolicyInstanceNotFound) as exc: + msg = repr(exc) + mdc_logger.warning("Request failed, returning 404: {0}".format(msg)) + return msg, 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 + 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 "", 503 + msg = repr(exc) + mdc_logger.warning("Request failed, returning 503: {0}".format(msg)) + return msg, 503 # let other types of unexpected exceptions blow up and log @@ -63,8 +71,10 @@ def get_healthcheck(): 3. checks that our SDL connection is healthy """ if not a1rmr.healthcheck_rmr_thread(): + mdc_logger.debug("A1 is not healthy due to the rmr thread") return "rmr thread is unhealthy", 500 if not data.SDL.healthcheck(): + mdc_logger.debug("A1 is not healthy because it does not have a connection to SDL") return "sdl connection is unhealthy", 500 return "", 200 @@ -86,6 +96,7 @@ def create_policy_type(policy_type_id): def put_type_handler(): data.store_policy_type(policy_type_id, body) + mdc_logger.debug("Policy type {} created.".format(policy_type_id)) return "", 201 body = connexion.request.json @@ -106,6 +117,7 @@ def delete_policy_type(policy_type_id): def delete_policy_type_handler(): data.delete_policy_type(policy_type_id) + mdc_logger.debug("Policy type {} deleted.".format(policy_type_id)) return "", 204 return _try_func_return(delete_policy_type_handler)