Example #1
0
func ExamplePushCollectors() {
	hostname, _ := os.Hostname()
	completionTime := prometheus.NewGauge(prometheus.GaugeOpts{
		Name: "db_backup_last_completion_time",
		Help: "The timestamp of the last succesful completion of a DB backup.",
	})
	completionTime.Set(float64(time.Now().Unix()))
	if err := prometheus.PushCollectors(
		"db_backup", hostname,
		"http://pushgateway:9091",
		completionTime,
	); err != nil {
		fmt.Println("Could not push completion time to Pushgateway:", err)
	}
}
Example #2
0
func ExampleGauge() {
	opsQueued := prometheus.NewGauge(prometheus.GaugeOpts{
		Namespace: "our_company",
		Subsystem: "blob_storage",
		Name:      "ops_queued",
		Help:      "Number of blob storage operations waiting to be processed.",
	})
	prometheus.MustRegister(opsQueued)

	// 10 operations queued by the goroutine managing incoming requests.
	opsQueued.Add(10)
	// A worker goroutine has picked up a waiting operation.
	opsQueued.Dec()
	// And once more...
	opsQueued.Dec()
}