Go

net/http and a helper that reports panics and errors.

package job

import (
    "bytes"
    "context"
    "fmt"
    "net/http"
    "os"
    "runtime/debug"
    "time"
)

var pingURL = os.Getenv("VIVERE_PING_URL") // https://vivere.dev/p/<monitor-id>

func ping(suffix string, body []byte) {
    ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
    defer cancel()
    req, _ := http.NewRequestWithContext(ctx, http.MethodPost, pingURL+suffix, bytes.NewReader(body))
    if resp, err := http.DefaultClient.Do(req); err == nil {
        resp.Body.Close()
    }
}

// Monitored runs fn and reports it, including panics.
func Monitored(fn func() error) (err error) {
    ping("/start", nil)
    defer func() {
        if r := recover(); r != nil {
            ping("/fail", []byte(fmt.Sprintf("panic: %v\n%s", r, debug.Stack())))
            panic(r)
        }
        if err != nil {
            ping("/fail", []byte(err.Error()))
        } else {
            ping("", nil)
        }
    }()
    return fn()
}