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124 lines
3.8 KiB
124 lines
3.8 KiB
package v2
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import (
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"github.com/go-kit/kit/metrics"
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"github.com/go-kit/kit/metrics/discard"
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"github.com/go-kit/kit/metrics/prometheus"
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stdprometheus "github.com/prometheus/client_golang/prometheus"
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)
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const (
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// MetricsSubsystem is a subsystem shared by all metrics exposed by this
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// package.
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MetricsSubsystem = "blockchain"
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)
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// Metrics contains metrics exposed by this package.
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type Metrics struct {
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// events_in
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EventsIn metrics.Counter
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// events_in
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EventsHandled metrics.Counter
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// events_out
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EventsOut metrics.Counter
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// errors_in
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ErrorsIn metrics.Counter
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// errors_handled
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ErrorsHandled metrics.Counter
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// errors_out
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ErrorsOut metrics.Counter
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// events_shed
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EventsShed metrics.Counter
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// events_sent
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EventsSent metrics.Counter
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// errors_sent
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ErrorsSent metrics.Counter
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// errors_shed
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ErrorsShed metrics.Counter
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}
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// Can we burn in the routine name here?
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func PrometheusMetrics(namespace string, labelsAndValues ...string) *Metrics {
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labels := []string{}
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for i := 0; i < len(labelsAndValues); i += 2 {
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labels = append(labels, labelsAndValues[i])
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}
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return &Metrics{
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EventsIn: prometheus.NewCounterFrom(stdprometheus.CounterOpts{
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Namespace: namespace,
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Subsystem: MetricsSubsystem,
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Name: "events_in",
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Help: "Events read from the channel.",
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}, labels).With(labelsAndValues...),
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EventsHandled: prometheus.NewCounterFrom(stdprometheus.CounterOpts{
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Namespace: namespace,
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Subsystem: MetricsSubsystem,
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Name: "events_handled",
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Help: "Events handled",
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}, labels).With(labelsAndValues...),
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EventsOut: prometheus.NewCounterFrom(stdprometheus.CounterOpts{
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Namespace: namespace,
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Subsystem: MetricsSubsystem,
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Name: "events_out",
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Help: "Events output from routine.",
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}, labels).With(labelsAndValues...),
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ErrorsIn: prometheus.NewCounterFrom(stdprometheus.CounterOpts{
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Namespace: namespace,
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Subsystem: MetricsSubsystem,
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Name: "errors_in",
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Help: "Errors read from the channel.",
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}, labels).With(labelsAndValues...),
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ErrorsHandled: prometheus.NewCounterFrom(stdprometheus.CounterOpts{
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Namespace: namespace,
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Subsystem: MetricsSubsystem,
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Name: "errors_handled",
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Help: "Errors handled.",
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}, labels).With(labelsAndValues...),
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ErrorsOut: prometheus.NewCounterFrom(stdprometheus.CounterOpts{
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Namespace: namespace,
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Subsystem: MetricsSubsystem,
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Name: "errors_out",
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Help: "Errors output from routine.",
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}, labels).With(labelsAndValues...),
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ErrorsSent: prometheus.NewCounterFrom(stdprometheus.CounterOpts{
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Namespace: namespace,
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Subsystem: MetricsSubsystem,
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Name: "errors_sent",
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Help: "Errors sent to routine.",
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}, labels).With(labelsAndValues...),
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ErrorsShed: prometheus.NewCounterFrom(stdprometheus.CounterOpts{
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Namespace: namespace,
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Subsystem: MetricsSubsystem,
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Name: "errors_shed",
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Help: "Errors dropped from sending.",
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}, labels).With(labelsAndValues...),
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EventsSent: prometheus.NewCounterFrom(stdprometheus.CounterOpts{
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Namespace: namespace,
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Subsystem: MetricsSubsystem,
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Name: "events_sent",
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Help: "Events sent to routine.",
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}, labels).With(labelsAndValues...),
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EventsShed: prometheus.NewCounterFrom(stdprometheus.CounterOpts{
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Namespace: namespace,
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Subsystem: MetricsSubsystem,
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Name: "events_shed",
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Help: "Events dropped from sending.",
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}, labels).With(labelsAndValues...),
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}
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}
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// NopMetrics returns no-op Metrics.
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func NopMetrics() *Metrics {
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return &Metrics{
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EventsIn: discard.NewCounter(),
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EventsHandled: discard.NewCounter(),
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EventsOut: discard.NewCounter(),
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ErrorsIn: discard.NewCounter(),
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ErrorsHandled: discard.NewCounter(),
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ErrorsOut: discard.NewCounter(),
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EventsShed: discard.NewCounter(),
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EventsSent: discard.NewCounter(),
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ErrorsSent: discard.NewCounter(),
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ErrorsShed: discard.NewCounter(),
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}
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}
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