2024-07-04 16:15:27 +08:00

112 lines
2.6 KiB
Go

package prommetrics
import (
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/client_golang/prometheus/promhttp"
"net/http"
"strconv"
"time"
)
const ApiPath = "/metrics"
var (
apiRegistry = prometheus.NewRegistry()
apiCounter = prometheus.NewCounterVec(
prometheus.CounterOpts{
Name: "api_count",
Help: "Total number of API calls",
},
[]string{"path", "code", "type"},
)
httpCounter = prometheus.NewCounterVec(
prometheus.CounterOpts{
Name: "http_count",
Help: "Total number of HTTP calls",
},
//[]string{"path", "method", "status", "duration"},
[]string{"path", "method", "status"},
)
)
func init() {
apiRegistry.MustRegister(apiCounter, httpCounter)
}
func APICall(path string, apiCode int, apiType string) {
apiCounter.With(prometheus.Labels{"path": path, "code": strconv.Itoa(apiCode), "type": apiType}).Inc()
}
//func HttpCall(path string, method string, status int, duration time.Duration) {
// httpCounter.With(prometheus.Labels{"path": path, "method": method, "status": strconv.Itoa(status), "duration": durationRange(duration)}).Inc()
//}
func HttpCall(path string, method string, status int) {
httpCounter.With(prometheus.Labels{"path": path, "method": method, "status": strconv.Itoa(status)}).Inc()
}
var (
durations = [...]time.Duration{
time.Millisecond * 1,
time.Millisecond * 2,
time.Millisecond * 3,
time.Millisecond * 4,
time.Millisecond * 5,
time.Millisecond * 6,
time.Millisecond * 7,
time.Millisecond * 8,
time.Millisecond * 9,
time.Millisecond * 10,
time.Millisecond * 20,
time.Millisecond * 30,
time.Millisecond * 40,
time.Millisecond * 50,
time.Millisecond * 60,
time.Millisecond * 70,
time.Millisecond * 80,
time.Millisecond * 90,
time.Millisecond * 100,
time.Millisecond * 200,
time.Millisecond * 300,
time.Millisecond * 400,
time.Millisecond * 500,
time.Millisecond * 600,
time.Millisecond * 700,
time.Millisecond * 800,
time.Millisecond * 900,
time.Second * 1,
time.Second * 2,
time.Second * 3,
time.Second * 4,
time.Second * 5,
time.Second * 6,
time.Second * 7,
time.Second * 8,
time.Second * 9,
time.Second * 10,
time.Second * 20,
time.Second * 30,
time.Second * 40,
time.Second * 50,
time.Second * 60,
time.Second * 70,
time.Second * 80,
time.Second * 90,
time.Second * 100,
}
maxDuration = durations[len(durations)-1]
)
func durationRange(duration time.Duration) string {
for _, d := range durations {
if duration <= d {
return d.String()
}
}
return ">" + maxDuration.String()
}
func ApiHandler() http.Handler {
return promhttp.HandlerFor(apiRegistry, promhttp.HandlerOpts{})
}