forked from TrueCloudLab/frostfs-s3-gw
72 lines
1.8 KiB
Go
72 lines
1.8 KiB
Go
package metrics
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import (
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"net/http"
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"git.frostfs.info/mbiryukova/frostfs-sdk-go/pool"
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"github.com/prometheus/client_golang/prometheus"
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"github.com/prometheus/client_golang/prometheus/promhttp"
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dto "github.com/prometheus/client_model/go"
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)
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const namespace = "frostfs_s3_gw"
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type StatisticScraper interface {
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Statistic() pool.Statistic
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}
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type GateMetrics struct {
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registry prometheus.Registerer
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State *StateMetrics
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Pool *poolMetricsCollector
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Billing *billingMetrics
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Stats *APIStatMetrics
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HTTPServer *httpServerMetrics
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}
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func NewGateMetrics(scraper StatisticScraper) *GateMetrics {
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registry := prometheus.DefaultRegisterer
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stateMetric := newStateMetrics()
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registry.MustRegister(stateMetric)
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poolMetric := newPoolMetricsCollector(scraper)
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registry.MustRegister(poolMetric)
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billingMetric := newBillingMetrics()
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billingMetric.Register()
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statsMetric := newAPIStatMetrics()
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registry.MustRegister(statsMetric)
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serverMetric := newHTTPServerMetrics()
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registry.MustRegister(serverMetric)
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return &GateMetrics{
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registry: registry,
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State: stateMetric,
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Pool: poolMetric,
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Billing: billingMetric,
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Stats: statsMetric,
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HTTPServer: serverMetric,
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}
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}
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func (g *GateMetrics) Unregister() {
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g.registry.Unregister(g.State)
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g.registry.Unregister(g.Pool)
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g.Billing.Unregister()
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g.registry.Unregister(g.Stats)
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g.registry.Unregister(g.HTTPServer)
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}
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func (g *GateMetrics) Handler() http.Handler {
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handler := http.NewServeMux()
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handler.Handle("/", promhttp.Handler())
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handler.Handle("/metrics/billing", promhttp.HandlerFor(g.Billing.Gatherer(), promhttp.HandlerOpts{}))
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return handler
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}
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func (g *GateMetrics) Gather() ([]*dto.MetricFamily, error) {
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return prometheus.Gatherers([]prometheus.Gatherer{g.Billing.Gatherer()}).Gather()
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}
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