clientv3: let GetRequestMetadata() return nil when authToken isn't in…

…itialized
mitake · Aug 15, 2020 · 747cc70 · 747cc70
1 parent 708b0cb
commit 747cc70
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/clientv3/credentials/credentials.go b/clientv3/credentials/credentials.go
@@ -111,6 +111,9 @@ func (rc *perRPCCredential) GetRequestMetadata(ctx context.Context, s ...string)
 	rc.authTokenMu.RLock()
 	authToken := rc.authToken
 	rc.authTokenMu.RUnlock()
+	if authToken == "" {
+		return nil, nil
+	}
 	return map[string]string{rpctypes.TokenFieldNameGRPC: authToken}, nil
 }