+class VnfLcmNotification(NotificationBase):
+ # SOL003 response model for vnflcm notifications
+ response_models = {
+ "VnfLcmOperationOccurrenceNotification": {
+ "id",
+ "notificationType",
+ "subscriptionId",
+ "timeStamp",
+ "notificationStatus",
+ "operationState",
+ "vnfInstanceId",
+ "operation",
+ "isAutomaticInvocation",
+ "vnfLcmOpOccId",
+ "affectedVnfcs",
+ "affectedVirtualLinks",
+ "affectedExtLinkPorts",
+ "affectedVirtualStorages",
+ "changedInfo",
+ "changedExtConnectivity",
+ "modificationsTriggeredByVnfPkgChange",
+ "error",
+ "_links"
+ },
+ "VnfIdentifierCreationNotification": {
+ "id",
+ "notificationType",
+ "subscriptionId",
+ "timeStamp",
+ "vnfInstanceId",
+ "_links"
+ },
+ "VnfIdentifierDeletionNotification": {
+ "id",
+ "notificationType",
+ "subscriptionId",
+ "timeStamp",
+ "vnfInstanceId",
+ "_links"
+ },
+ }
+
+ def __init__(self, db) -> None:
+ """
+ Constructor of VnfLcmNotification class.
+ :param db: Database handler.
+ """
+ super().__init__(db)
+ self.subscriber_collection = "mapped_subscriptions"
+
+ def get_models(self) -> dict:
+ """
+ Returns the SOL003 model of notification class
+ :param None
+ :return: dict of SOL003 data model
+ """
+ return self.response_models
+
+ def _format_vnflcm_subscribers(self, subscribers: list, event_details: dict) -> list:
+ """
+ Formats the raw event details from kafka message and subscriber details.
+ :param subscribers: A list of subscribers whom the event needs to be notified.
+ :param event_details: A dict containing all meta data of event.
+ :return:
+ """
+ notification_id = str(uuid4())
+ event_timestamp = time.time()
+ event_operation = event_details["command"]
+ for subscriber in subscribers:
+ subscriber["id"] = notification_id
+ subscriber["timeStamp"] = event_timestamp
+ subscriber["subscriptionId"] = subscriber["reference"]
+ subscriber["operation"] = event_operation
+ del subscriber["reference"]
+ del subscriber["_id"]
+ subscriber.update(event_details["params"])
+ return subscribers
+
+ def get_subscribers(self, vnfd_id: str, vnf_instance_id: str, command: str, op_state: str,
+ event_details: dict) -> list:
+ """
+ Queries database and returns list of subscribers.
+ :param vnfd_id: Vnfd id of a VNF whose lifecycle has changed. (instantiated, scaled, terminated. etc)
+ :param vnf_instance_id: Vnf instance id of a VNF whose lifecycle has changed.
+ :param command: the command for event.
+ :param op_state: the operation state of VNF.
+ :param event_details: dict containing raw data of event occurred.
+ :return: List of interested subscribers for occurred event.
+ """
+ notification_type = [
+ "VnfIdentifierCreationNotification",
+ "VnfLcmOperationOccurrenceNotification",
+ "VnfIdentifierDeletionNotification"
+ ]
+ filter_q = {
+ "identifier": [vnfd_id, vnf_instance_id],
+ "operationStates": ["ANY"],
+ "operationTypes": ["ANY"],
+ "notificationType": notification_type
+ }
+ if op_state:
+ filter_q["operationStates"].append(op_state)
+ if command:
+ filter_q["operationTypes"].append(command)
+ subscribers = []
+ try:
+ subscribers = self.db.get_list(self.subscriber_collection, filter_q)
+ subscribers = self._format_vnflcm_subscribers(subscribers, event_details)
+ except Exception as e:
+ error_text = type(e).__name__ + ": " + str(e)
+ self.logger.debug("Error getting vnflcm subscribers: {}".format(error_text))
+ finally:
+ return subscribers
projects / osm / NBI.git / blobdiff