status-im/status-go

package mailserver

import prom "github.com/prometheus/client_golang/prometheus"

// By default the /metrics endpoint is not available.
// It is exposed only if -metrics flag is set.

var (
    envelopesCounter = prom.NewCounter(prom.CounterOpts{
        Name: "mailserver_envelopes_total",
        Help: "Number of envelopes processed.",
    })
    deliveryFailuresCounter = prom.NewCounterVec(prom.CounterOpts{
        Name: "mailserver_delivery_failures_total",
        Help: "Number of requests that failed processing.",
    }, []string{"type"})
    deliveryAttemptsCounter = prom.NewCounter(prom.CounterOpts{
        Name: "mailserver_delivery_attempts_total",
        Help: "Number of Whisper envelopes processed.",
    })
    requestsBatchedCounter = prom.NewCounter(prom.CounterOpts{
        Name: "mailserver_requests_batched_total",
        Help: "Number of processed batched requests.",
    })
    requestsInBundlesDuration = prom.NewHistogram(prom.HistogramOpts{
        Name: "mailserver_requests_bundle_process_duration_seconds",
        Help: "The time it took to process message bundles.",
    })
    syncFailuresCounter = prom.NewCounterVec(prom.CounterOpts{
        Name: "mailserver_sync_failures_total",
        Help: "Number of failures processing a sync requests.",
    }, []string{"type"})
    syncAttemptsCounter = prom.NewCounter(prom.CounterOpts{
        Name: "mailserver_sync_attempts_total",
        Help: "Number of attempts are processing a sync requests.",
    })
    sendRawEnvelopeDuration = prom.NewHistogram(prom.HistogramOpts{
        Name: "mailserver_send_raw_envelope_duration_seconds",
        Help: "The time it took to send a Whisper envelope.",
    })
    sentEnvelopeBatchSizeMeter = prom.NewHistogram(prom.HistogramOpts{
        Name:    "mailserver_sent_envelope_batch_size_bytes",
        Help:    "Size of processed Whisper envelopes in bytes.",
        Buckets: prom.ExponentialBuckets(1024, 4, 10),
    })
    mailDeliveryDuration = prom.NewHistogram(prom.HistogramOpts{
        Name: "mailserver_delivery_duration_seconds",
        Help: "Time it takes to deliver messages to a Whisper peer.",
    })
    archivedErrorsCounter = prom.NewCounterVec(prom.CounterOpts{
        Name: "mailserver_archived_envelopes_failures_total",
        Help: "Number of failures storing a Whisper envelope.",
    }, []string{"db"})
    archivedEnvelopesGauge = prom.NewGaugeVec(prom.GaugeOpts{
        Name: "mailserver_archived_envelopes_total",
        Help: "Number of envelopes saved in the DB.",
    }, []string{"db"})
    archivedEnvelopeSizeMeter = prom.NewHistogramVec(prom.HistogramOpts{
        Name:    "mailserver_archived_envelope_size_bytes",
        Help:    "Size of envelopes saved.",
        Buckets: prom.ExponentialBuckets(1024, 2, 11),
    }, []string{"db"})
    envelopeQueriesCounter = prom.NewCounterVec(prom.CounterOpts{
        Name: "mailserver_envelope_queries_total",
        Help: "Number of queries for envelopes in the DB.",
    }, []string{"filter", "history"})
)

func init() {
    prom.MustRegister(envelopesCounter)
    prom.MustRegister(deliveryFailuresCounter)
    prom.MustRegister(deliveryAttemptsCounter)
    prom.MustRegister(requestsBatchedCounter)
    prom.MustRegister(requestsInBundlesDuration)
    prom.MustRegister(syncFailuresCounter)
    prom.MustRegister(syncAttemptsCounter)
    prom.MustRegister(sendRawEnvelopeDuration)
    prom.MustRegister(sentEnvelopeBatchSizeMeter)
    prom.MustRegister(mailDeliveryDuration)
    prom.MustRegister(archivedErrorsCounter)
    prom.MustRegister(archivedEnvelopesGauge)
    prom.MustRegister(archivedEnvelopeSizeMeter)
    prom.MustRegister(envelopeQueriesCounter)
}