56 lines
1.1 KiB
Go
56 lines
1.1 KiB
Go
package metrics
|
|
|
|
import (
|
|
"time"
|
|
|
|
"github.com/prometheus/client_golang/prometheus"
|
|
"github.com/prometheus/client_golang/prometheus/promauto"
|
|
)
|
|
|
|
var (
|
|
sessionsGauge = promauto.NewGauge(prometheus.GaugeOpts{
|
|
Name: "pgweb_sessions_count",
|
|
Help: "Total number of database sessions",
|
|
})
|
|
|
|
queriesCounter = promauto.NewCounter(prometheus.CounterOpts{
|
|
Name: "pgweb_queries_count",
|
|
Help: "Total number of custom queries executed",
|
|
})
|
|
|
|
healthyGauge = promauto.NewGauge(prometheus.GaugeOpts{
|
|
Name: "pgweb_healthy",
|
|
Help: "Server health status",
|
|
})
|
|
|
|
startTimeGauge = promauto.NewGauge(prometheus.GaugeOpts{
|
|
Name: "pgweb_process_start_time",
|
|
Help: "Server start time, seconds since unix epoch",
|
|
})
|
|
|
|
uptimeGauge = promauto.NewGauge(prometheus.GaugeOpts{
|
|
Name: "pgweb_uptime",
|
|
Help: "Server application uptime in seconds",
|
|
})
|
|
)
|
|
|
|
func init() {
|
|
startTimeGauge.Set(float64(time.Now().Unix()))
|
|
}
|
|
|
|
func IncrementQueriesCount() {
|
|
queriesCounter.Inc()
|
|
}
|
|
|
|
func SetSessionsCount(val int) {
|
|
sessionsGauge.Set(float64(val))
|
|
}
|
|
|
|
func SetHealthy(val bool) {
|
|
healthy := 0.0
|
|
if val {
|
|
healthy = 1.0
|
|
}
|
|
healthyGauge.Set(float64(healthy))
|
|
}
|