func parseKomposeLabels()

in pkg/loader/compose/v3.go [637:683]
37 lines of code
16 McCabe index (conditional complexity)

func parseKomposeLabels(labels map[string]string, serviceConfig *kobject.ServiceConfig) error {
	// Label handler
	// Labels used to influence conversion of kompose will be handled
	// from here for docker-compose. Each loader will have such handler.

	if serviceConfig.Labels == nil {
		serviceConfig.Labels = make(map[string]string)
	}

	for key, value := range labels {
		switch key {
		case LabelServiceType:
			serviceType, err := handleServiceType(value)
			if err != nil {
				return errors.Wrap(err, "handleServiceType failed")
			}

			serviceConfig.ServiceType = serviceType
		case LabelServiceExpose:
			serviceConfig.ExposeService = strings.Trim(strings.ToLower(value), " ,")
		case LabelNodePortPort:
			serviceConfig.NodePortPort = cast.ToInt32(value)
		case LabelServiceExposeTLSSecret:
			serviceConfig.ExposeServiceTLS = value
		case LabelImagePullSecret:
			serviceConfig.ImagePullSecret = value
		case LabelImagePullPolicy:
			serviceConfig.ImagePullPolicy = value
		default:
			serviceConfig.Labels[key] = value
		}
	}

	if serviceConfig.ExposeService == "" && serviceConfig.ExposeServiceTLS != "" {
		return errors.New("kompose.service.expose.tls-secret was specified without kompose.service.expose")
	}

	if serviceConfig.ServiceType != string(api.ServiceTypeNodePort) && serviceConfig.NodePortPort != 0 {
		return errors.New("kompose.service.type must be nodeport when assign node port value")
	}

	if len(serviceConfig.Port) > 1 && serviceConfig.NodePortPort != 0 {
		return errors.New("cannot set kompose.service.nodeport.port when service has multiple ports")
	}

	return nil
}