Deployed function to get service trace id

get_service_trace_id_function.py

# Deployed function
def get_service_trace_id(request):
	if (request.method != 'POST'):
		abort(403)

	if (request.headers['content-type'] != 'application/json'):
		raise NameError("ERROR: JSON content-type expected")
	request_json = request.get_json(silent=True)
	if not request_json or "service" not in request_json:
		raise NameError("Please provide parameter 'service' name, 'instance' name optional")

	service = request_json["service"]
	instance = request_json["instance"] if "instance" in request_json else "default"
	version = request_json["version"] if "version" in request_json else None
	metadata = request_json["metadata"] if "metadata" in request_json else None

	return service_trace_id(service, instance, version, metadata)

def service_trace_id(service, instance='default', version=None, metadata=None):
	global service_tracker
	global bq_cl
	if not service_tracker or not bq_cl:
		__connect_service_tracker()

	tid = elt.get_tid(service, instance)
	rows = [
		{
			'service': service.upper(),
			'instance': instance,
			'tid': tid,
			'version': version,
			'metadata': metadata,
			'added_ts': datetime.now()
		}
	]

	errors = bq_cl.insert_rows(service_tracker, rows)

	if errors:
		print('Errors:')
		for error in errors:
			print(error)
	return json.dumps({'tid': tid})