Add context with request (#6824)

weed/util/request_id.go

@@ -1,6 +1,9 @@
 package util
 
-import "context"
+import (
+	"context"
+	"net/http"
+)
 
 const (
 	RequestIdHttpHeader = "X-Request-ID"
@@ -18,3 +21,7 @@ func GetRequestID(ctx context.Context) string {
 func WithRequestID(ctx context.Context, id string) context.Context {
 	return context.WithValue(ctx, RequestIDKey, id)
 }
+
+func ReqWithRequestId(req *http.Request, ctx context.Context) {
+	req.Header.Set(RequestIdHttpHeader, GetRequestID(ctx))
+}