28 lines
884 B
Go
28 lines
884 B
Go
// Exporter is a prometheus exporter using multiple Factories to collect and export system metrics.
|
|
package collector
|
|
|
|
import (
|
|
"github.com/prometheus/client_golang/prometheus"
|
|
)
|
|
|
|
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(ch chan<- prometheus.Metric) (err error)
|
|
}
|
|
|
|
// TODO: Instead of periodically call Update, a Collector could be implemented
|
|
// as a real prometheus.Collector that only gathers metrics when
|
|
// scraped. (However, for metric gathering that takes very long, it might
|
|
// actually be better to do them proactively before scraping to minimize scrape
|
|
// time.)
|
|
|
|
type Config struct {
|
|
Config map[string]string `json:"config"`
|
|
Attributes map[string]string `json:"attributes"`
|
|
}
|