func getLoadOptions()

in internal/client/client.go [57:99]
37 lines of code
7 McCabe index (conditional complexity)

func getLoadOptions(ctx context.Context, pluginConfig map[string]string) []func(*config.LoadOptions) error {
	log := logger.GetLogger(ctx)
	var loadOptions []func(*config.LoadOptions) error
	if customEndpoint, ok := pluginConfig[configKeySignerEndpoint]; ok {
		customResolver := aws.EndpointResolverWithOptionsFunc(func(service, region string, options ...interface{}) (aws.Endpoint, error) {
			if service == signer.ServiceID && customEndpoint != "" {
				log.Debug("AWS Signer endpoint override: " + customEndpoint)
				return aws.Endpoint{
					PartitionID:   "aws",
					URL:           customEndpoint,
					SigningRegion: region,
				}, nil
			}
			// returning EndpointNotFoundError will allow the service to fall back to its default resolution
			return aws.Endpoint{}, &aws.EndpointNotFoundError{}
		})
		loadOptions = append(loadOptions, config.WithEndpointResolverWithOptions(customResolver))
	}

	if region, ok := pluginConfig[configKeyAwsRegion]; ok {
		loadOptions = append(loadOptions, config.WithRegion(region))
		log.Debugf("AWS Signer region override: %s\n", region)
	}

	if credentialProfile, ok := pluginConfig[configKeyAwsProfile]; ok {
		loadOptions = append(loadOptions, config.WithSharedConfigProfile(credentialProfile))
		log.Debugf("AWS Signer credential profile: %s\n", credentialProfile)
	}

	loadOptions = append(loadOptions, config.WithAPIOptions([]func(*middleware.Stack) error{
		awsmiddleware.AddUserAgentKeyValue("aws-signer-caller", "NotationPlugin/"+version.GetVersion()),
	}))

	if log.IsDebug() {
		loadOptions = append(loadOptions, config.WithClientLogMode(aws.LogRequestWithBody|aws.LogResponseWithBody))
		loadOptions = append(loadOptions, config.WithLogConfigurationWarnings(true))
		loadOptions = append(loadOptions, config.WithLogger(logging.LoggerFunc(func(_ logging.Classification, format string, v ...interface{}) {
			log.Debugf("AWS call %s\n", fmt.Sprintf(format, v))
		})))
	}

	return loadOptions
}