def createCanary()

in provider/database.py [0:0]

• 24 lines of code
• 5 McCabe index (conditional complexity)

    def createCanary(self):
        maxRetries = 3
        retryCount = 0

        while retryCount < maxRetries:
            try:
                if self.canaryId in self.database.keys(remote=True):
                    # update the timestamp to cause a document change
                    logging.debug("[database] Canary doc exists, updating it.")

                    myCanaryDocument = self.database[self.canaryId]
                    myCanaryDocument["canary-timestamp"] = datetime.now().isoformat()
                    myCanaryDocument.save()

                    return
                else:
                    # create the canary doc for this instance
                    logging.debug("[database] Canary doc does not exist, creating it.")

                    document = dict()
                    document['_id'] = self.canaryId
                    document['canary-timestamp'] = datetime.now().isoformat()

                    result = self.database.create_document(document)
                    logging.debug('[canary] Successfully wrote canary to DB')

                    return
            except Exception as e:
                retryCount += 1
                logging.error(
                    '[canary] Uncaught exception while writing canary document: {}'.format(e))

        logging.error('[canary] Retried and failed {} times to create a canary'.format(maxRetries))