Permalink
Switch branches/tags
Find file Copy path
Fetching contributors…
Cannot retrieve contributors at this time
41 lines (29 sloc) 921 Bytes
package main
import (
"math/rand"
"time"
"github.com/kataras/iris"
prometheusMiddleware "github.com/iris-contrib/middleware/prometheus"
"github.com/prometheus/client_golang/prometheus"
)
func main() {
app := iris.New()
m := prometheusMiddleware.New("serviceName", 300, 1200, 5000)
app.Use(m.ServeHTTP)
app.OnErrorCode(iris.StatusNotFound, func(ctx iris.Context) {
// error code handlers are not sharing the same middleware as other routes, so we have
// to call them inside their body.
m.ServeHTTP(ctx)
ctx.Writef("Not Found")
})
app.Get("/", func(ctx iris.Context) {
sleep := rand.Intn(4999) + 1
time.Sleep(time.Duration(sleep) * time.Millisecond)
ctx.Writef("Slept for %d milliseconds", sleep)
})
app.Get("/metrics", iris.FromStd(prometheus.Handler()))
// http://localhost:8080/
// http://localhost:8080/anotfound
// http://localhost:8080/metrics
app.Run(iris.Addr(":8080"))
}