fasthttp-prometheus

Prometheus metrics exporter for fasthttp. On every method creates two metrics: total and failure. For example you want to register path /user/:id/some-method in your fasthttp server. Library will create metrics based on OpenMetrics:

1. {prefix}_user_some_method_requests_total
2. {prefix}_user_some_method_requests_failure_total

Installation

go get github.com/fruiting/fasthttp-prometheus

Usage

import (
    "github.com/buaazp/fasthttprouter"
    fasthttpprometheus "github.com/fruiting/fasthttp-prometheus"
    "github.com/valyala/fasthttp"
    "go.uber.org/zap"
)

func main() {
    wrappedRouter := fasthttpprometheus.NewHandler(fasthttprouter.New(), "test_service", zap.NewExample())
    wrappedRouter.GET("/ping", func(ctx *fasthttp.RequestCtx) {
        ctx.SuccessString("text/plain; charset=utf-8", "PONG")
    })

    fasthttp.ListenAndServe(":8080", wrappedRouter.Handler)
}

Benchmarking

Benchmark shows about 10% speed reduction of fasthttp. On MacBook M1 Pro on the same list of registered routes fasthttp shows 8900-9200 ns/op and 9600-10000 ns/op if fasthttp is wrapped by this library.

Contribute

1. Run unit tests go test ./...
2. Run benchmarks go test -bench=.
3. Push, make pull request

Licence

MIT

MAINTAINER

Roman Spirin