// Exporter is a prometheus exporter using multiple Factories to collect and export system metrics. package collector const Namespace = "node" var Factories = make(map[string]func(Config) (Collector, error)) // Interface a collector has to implement. type Collector interface { // Get new metrics and expose them via prometheus registry. Update() (n int, err error) } type Config struct { Attributes map[string]string `json:"attributes"` }