Function HLogRequestIDHandler

app/api/middleware/logging/logging.go:36–64

HLogRequestIDHandler provides a middleware that injects request_id into the logging and execution context. It prefers the X-Request-Id header, if that doesn't exist it creates a new request id similar to zerolog.

()

// HLogRequestIDHandler provides a middleware that injects request_id into the logging and execution context.
// It prefers the X-Request-Id header, if that doesn't exist it creates a new request id similar to zerolog.
func HLogRequestIDHandler() func(http.Handler) http.Handler {
	return func(h http.Handler) http.Handler {
		return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
			ctx := r.Context()

			// read requestID from header (or create new one if none exists)
			var reqID string
			if reqIDs, ok := r.Header[requestIDHeader]; ok && len(reqIDs) > 0 && len(reqIDs[0]) > 0 {
				reqID = reqIDs[0]
			} else {
				// similar to zerolog requestID generation
				reqID = xid.New().String()
			}

			// add requestID to context for internal usage client!
			ctx = request.WithRequestID(ctx, reqID)
			ctx = git.WithRequestID(ctx, reqID)

			// update logging context with request ID
			logging.UpdateContext(ctx, logging.WithRequestID(reqID))

			// write request ID to response headers
			w.Header().Set(requestIDHeader, reqID)

			// continue serving request
			h.ServeHTTP(w, r.WithContext(ctx))
		})
	}
}

// HLogAccessLogHandler provides an hlog based middleware that logs access logs.
func HLogAccessLogHandler() func(http.Handler) http.Handler {