Exemple #1
0
// prometheusPushClient pushs metrics to Prometheus Pushgateway.
func prometheusPushClient(job, addr string, interval time.Duration) {
	for {
		err := push.FromGatherer(
			job, push.HostnameGroupingKey(),
			addr,
			prometheus.DefaultGatherer,
		)
		if err != nil {
			log.Errorf("could not push metrics to Prometheus Pushgateway: %v", err)
		}

		time.Sleep(interval)
	}
}
Exemple #2
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func ExampleCollectors() {
	completionTime := prometheus.NewGauge(prometheus.GaugeOpts{
		Name: "db_backup_last_completion_timestamp_seconds",
		Help: "The timestamp of the last succesful completion of a DB backup.",
	})
	completionTime.Set(float64(time.Now().Unix()))
	if err := push.Collectors(
		"db_backup", push.HostnameGroupingKey(),
		"http://pushgateway:9091",
		completionTime,
	); err != nil {
		fmt.Println("Could not push completion time to Pushgateway:", err)
	}
}
Exemple #3
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// PrometheusPushClient pushs metrics to Prometheus Pushgateway.
func prometheusPushClient(addr string, interval time.Duration) {
	// TODO: TiDB do not have uniq name, so we use host+port to compose a name.
	job := "tidb"
	for {
		err := push.AddFromGatherer(
			job, push.HostnameGroupingKey(),
			addr,
			prometheus.DefaultGatherer,
		)
		if err != nil {
			log.Errorf("could not push metrics to Prometheus Pushgateway: %v", err)
		}
		time.Sleep(interval)
	}
}
Exemple #4
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// pushMetrics attempts to send some new metrics to the server. It returns the new number of errors.
func (m *metrics) pushMetrics() int {
	if !m.newMetrics {
		return m.errors
	}
	start := time.Now()
	m.newMetrics = false
	if err := deadline(func() error {
		return push.AddFromGatherer("please", push.HostnameGroupingKey(), m.url, prometheus.DefaultGatherer)
	}, 500*time.Millisecond); err != nil {
		log.Warning("Could not push metrics to the repository: %s", err)
		m.newMetrics = true
		return m.errors + 1
	}
	m.pushes += 1
	log.Debug("Push #%d of metrics in %0.3fs", m.pushes, time.Since(start).Seconds())
	return 0
}
Exemple #5
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func ExampleRegistry() {
	registry := prometheus.NewRegistry()

	completionTime := prometheus.NewGauge(prometheus.GaugeOpts{
		Name: "db_backup_last_completion_timestamp_seconds",
		Help: "The timestamp of the last succesful completion of a DB backup.",
	})
	registry.MustRegister(completionTime)

	completionTime.Set(float64(time.Now().Unix()))
	if err := push.FromGatherer(
		"db_backup", push.HostnameGroupingKey(),
		"http://pushgateway:9091",
		registry,
	); err != nil {
		fmt.Println("Could not push completion time to Pushgateway:", err)
	}
}