revel sentry filter

revel_sentry.go

// Copyright (c) 2020 Paul Tötterman <paul.totterman@iki.fi>.

import sentry "github.com/getsentry/sentry-go"

// look at github.com/getsentry/sentry-go/http
var SentryFilter = func(c *revel.Controller, fc []revel.Filter) {
  if dsn := revel.Config.StringDefault("sentry.dsn", ""); dsn != "" {
    defer func() {
      if err := recover(); err != nil {
        hub := sentry.CurrentHub().Clone()
        req, ok := c.Request.In.GetRaw().(*http.Request)
        if ok {
          hub.Scope().SetRequest(sentry.Request{}.FromHTTPRequest(req))
        }
        hub.Recover(err)
        panic(err)
      }
    }()
  }
  
  fc[0](c, fc[1:])
}

func init() { // not really init, since revel.Config needs to be usable
  if dsn := revel.Config.StringDefault("sentry.dsn", ""); dsn != "" {
    if err := sentry.Init(sentry.ClientOptions{
      Dsn: dsn,
      //Environment: "",
      Release: "appname@" + app.AppVersion,
    }); err != nil {
      revel.AppLog.Error("Sentry error", "err", err)
    }
  }
}