42 lines
906 B
Go
42 lines
906 B
Go
package metrics
|
|
|
|
import "github.com/prometheus/client_golang/prometheus"
|
|
|
|
const stateSubsystem = "state"
|
|
|
|
// HealthStatus of the gate application.
|
|
type HealthStatus int32
|
|
|
|
const (
|
|
HealthStatusUndefined HealthStatus = 0
|
|
HealthStatusStarting HealthStatus = 1
|
|
HealthStatusReady HealthStatus = 2
|
|
HealthStatusShuttingDown HealthStatus = 3
|
|
)
|
|
|
|
type stateMetrics struct {
|
|
healthCheck prometheus.Gauge
|
|
}
|
|
|
|
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) unregister() {
|
|
prometheus.Unregister(m.healthCheck)
|
|
}
|
|
|
|
func (m stateMetrics) SetHealth(s HealthStatus) {
|
|
m.healthCheck.Set(float64(s))
|
|
}
|