def fetch_and_store_parameters()

in smart-mirror-full/extracted/device/script/parameter_store_helper.py [0:0]

• 20 lines of code
• 4 McCabe index (conditional complexity)

def fetch_and_store_parameters():
    try:
        print('getting parameters')
        hostname=os.uname()[1]
        region=os.getenv('AWS_REGION', 'eu-west-1')
        print('The region we are using is ' + region)

        #read parameters from parameter store
        ssm = boto3.client('ssm',region_name=region)
        parameterPath=f'/smart-mirror/device/{hostname}'
        response = ssm.get_parameters_by_path(Path=parameterPath, Recursive=True, WithDecryption=False)

        # transform and dump yaml file to /home/smart-mirror/conf.yml
        parameters = []
        for parameter in response['Parameters']:
            parameters.append({'Name': parameter['Name'].replace(parameterPath,''), 'Value': parameter['Value']})
            
        config=yaml.dump({'Description': 'Smart Mirror Parameters', 'Parameters': parameters})

        Path("/home/smart-mirror").mkdir(parents=True, exist_ok=True)
        text_file = open('/home/smart-mirror/conf.yml', 'wt')
        text_file.write(config)
        text_file.close()
    except Exception as e:
        logger.info(f'Error in while fetching parameters - Using old parameters if possible: {e}')
        logger.error(f'Stack: {traceback.format_exc()}')