From e7291a1dab7e585eccd2cebee14557d6409dbc50 Mon Sep 17 00:00:00 2001
From: tangcong <tangcong506@gmail.com>
Date: Tue, 3 Mar 2020 17:26:04 +0800
Subject: [PATCH] auth: print warning log when error is ErrAuthOldRevision

---
 auth/store.go | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/auth/store.go b/auth/store.go
index 02d18a6ce..44b04de06 100644
--- a/auth/store.go
+++ b/auth/store.go
@@ -775,8 +775,13 @@ func (as *authStore) isOpPermitted(userName string, revision uint64, key, rangeE
 	if revision == 0 {
 		return ErrUserEmpty
 	}
-
-	if revision < as.Revision() {
+	rev := as.Revision()
+	if revision < rev {
+		as.lg.Warn("request auth revision is less than current node auth revision",
+			zap.Uint64("current node auth revision", rev),
+			zap.Uint64("request auth revision", revision),
+			zap.ByteString("request key", key),
+			zap.Error(ErrAuthOldRevision))
 		return ErrAuthOldRevision
 	}