// LogRequest creates a request logger middleware.
// This middleware is aware of the RequestID middleware and if registered after it leverages the
// request ID for logging.
func LogRequest() goa.Middleware {
return func(h goa.Handler) goa.Handler {
return func(ctx *goa.Context) error {
reqID := ctx.Value(ReqIDKey)
if reqID == nil {
reqID = shortID()
}
ctx.Logger = ctx.Logger.New("id", reqID)
startedAt := time.Now()
r := ctx.Request()
ctx.Info("started", r.Method, r.URL.String())
params := ctx.AllParams()
if len(params) > 0 {
logCtx := make(log.Ctx, len(params))
for k, v := range params {
logCtx[k] = interface{}(v)
}
ctx.Debug("params", logCtx)
}
payload := ctx.RawPayload()
if r.ContentLength > 0 {
if mp, ok := payload.(map[string]interface{}); ok {
ctx.Debug("payload", log.Ctx(mp))
} else {
ctx.Debug("payload", "raw", payload)
}
}
err := h(ctx)
ctx.Info("completed", "status", ctx.ResponseStatus(),
"bytes", ctx.ResponseLength(), "time", time.Since(startedAt).String())
return err
}
}
}
func (w *log15Wrapper) Event(e trace.Event) {
lvl := trace.LvlDebug
if ce, ok := e.(trace.LevelEvent); ok {
lvl = ce.Level()
}
switch lvl {
case trace.LvlCrit:
w.log.Crit(e.Message(), log.Ctx(e.Context()))
case trace.LvlErr:
w.log.Error(e.Message(), log.Ctx(e.Context()))
case trace.LvlWarn:
w.log.Warn(e.Message(), log.Ctx(e.Context()))
case trace.LvlInfo:
w.log.Info(e.Message(), log.Ctx(e.Context()))
default:
w.log.Debug(e.Message(), log.Ctx(e.Context()))
}
}