68 lines
1.3 KiB
Go
68 lines
1.3 KiB
Go
package main
|
|
|
|
import (
|
|
"net/http"
|
|
|
|
"github.com/prometheus/client_golang/prometheus"
|
|
"github.com/prometheus/client_golang/prometheus/promhttp"
|
|
"github.com/spf13/viper"
|
|
"go.uber.org/zap"
|
|
)
|
|
|
|
const (
|
|
namespace = "neofs_s3_gw"
|
|
stateSubsystem = "state"
|
|
)
|
|
|
|
type GateMetrics struct {
|
|
stateMetrics
|
|
}
|
|
|
|
type stateMetrics struct {
|
|
healthCheck prometheus.Gauge
|
|
}
|
|
|
|
func newGateMetrics() *GateMetrics {
|
|
stateMetric := newStateMetrics()
|
|
stateMetric.register()
|
|
|
|
return &GateMetrics{
|
|
stateMetrics: *stateMetric,
|
|
}
|
|
}
|
|
|
|
func newStateMetrics() *stateMetrics {
|
|
return &stateMetrics{
|
|
healthCheck: prometheus.NewGauge(prometheus.GaugeOpts{
|
|
Namespace: namespace,
|
|
Subsystem: stateSubsystem,
|
|
Name: "health",
|
|
Help: "Current S3 gateway state",
|
|
}),
|
|
}
|
|
}
|
|
|
|
func (m stateMetrics) register() {
|
|
prometheus.MustRegister(m.healthCheck)
|
|
}
|
|
|
|
func (m stateMetrics) SetHealth(s int32) {
|
|
m.healthCheck.Set(float64(s))
|
|
}
|
|
|
|
// NewPrometheusService creates a new service for gathering prometheus metrics.
|
|
func NewPrometheusService(v *viper.Viper, log *zap.Logger) *Service {
|
|
if log == nil {
|
|
return nil
|
|
}
|
|
|
|
return &Service{
|
|
Server: &http.Server{
|
|
Addr: v.GetString(cfgPrometheusAddress),
|
|
Handler: promhttp.Handler(),
|
|
},
|
|
enabled: v.GetBool(cfgPrometheusEnabled),
|
|
serviceType: "Prometheus",
|
|
log: log.With(zap.String("service", "Prometheus")),
|
|
}
|
|
}
|