35 lines
834 B
Go
35 lines
834 B
Go
package metrics
|
|
|
|
import "github.com/prometheus/client_golang/prometheus"
|
|
|
|
const (
|
|
serverSubsystem = "server"
|
|
httpHealthMetric = "health"
|
|
)
|
|
|
|
type httpServerMetrics struct {
|
|
endpointHealth *prometheus.GaugeVec
|
|
}
|
|
|
|
func newHTTPServerMetrics() *httpServerMetrics {
|
|
return &httpServerMetrics{
|
|
endpointHealth: mustNewGaugeVec(appMetricsDesc[serverSubsystem][httpHealthMetric]),
|
|
}
|
|
}
|
|
|
|
func (m *httpServerMetrics) Collect(ch chan<- prometheus.Metric) {
|
|
m.endpointHealth.Collect(ch)
|
|
}
|
|
|
|
func (m *httpServerMetrics) Describe(desc chan<- *prometheus.Desc) {
|
|
m.endpointHealth.Describe(desc)
|
|
}
|
|
|
|
func (m *httpServerMetrics) MarkHealthy(endpoint string) {
|
|
m.endpointHealth.WithLabelValues(endpoint).Set(float64(1))
|
|
}
|
|
|
|
func (m *httpServerMetrics) MarkUnhealthy(endpoint string) {
|
|
m.endpointHealth.WithLabelValues(endpoint).Set(float64(0))
|
|
}
|