melian example

example.go

package main

import (
        "crypto/tls"
        "fmt"
        "net/http"
        "os"

        "github.com/packrat386/melian"
)

var mc *melian.Client

func main() {
        mc = &melian.Client{
                DSN: os.Getenv("SENTRY_DSN"),
                HTTPClient: &http.Client{
                        Transport: &http.Transport{
                                TLSClientConfig: &tls.Config{},
                        },
                },
        }

        http.HandleFunc("/error", handler)
        http.ListenAndServe(os.Getenv("ADDR"), nil)
}

func handler(w http.ResponseWriter, r *http.Request) {
        ctx := r.Context()
        ctx = melian.AddRequest(ctx, r)
        ctx = melian.AddTransaction(ctx, "error_handler")

        err := thingThatErrors()
        if err != nil {
                ctx = melian.AddTag(ctx, "thing", "errored again")
                mc.Capture(ctx, err)
        }

        w.WriteHeader(200)
}

func thingThatErrors() error {
        return fmt.Errorf("oh no!")
}