node_exporter/collector/collector.go

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// 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"`
}