test: add cluster global tdDnodes

tests/system-test/3-enterprise/restore/restore_basic.py

+###################################################################
+#           Copyright (c) 2016 by TAOS Technologies, Inc.
+#                     All rights reserved.
+#
+#  This file is proprietary and confidential to TAOS Technologies.
+#  No part of this file may be reproduced, stored, transmitted,
+#  disclosed or used in any form or by any means other than as
+#  expressly provided by the written permission from Jianhui Tao
+#
+###################################################################
+
+# -*- coding: utf-8 -*-
+
+
+from util.log import *
+from util.cases import *
+from util.sql import *
+from util.common import *
+from util.sqlset import *
+from util.dnodes import *
+
+import random
+import os
+import subprocess
+    
+
+class TDTestCase:
+    # init
+    def init(self, conn, logSql, replicaVar=1):
+        self.replicaVar = int(replicaVar)
+        tdLog.debug("start to execute %s" % __file__)
+        tdSql.init(conn.cursor())
+
+
+    #     
+
+
+    # run
+    def run(self):
+        # get from global 
+        tdDnodes =  tdDnodes_Get()
+        dnodes = tdDnodes.dnodes
+        num = len(dnodes)
+        print(f" start dnode num={num} !")
+        for i in range(num):
+            dnode = dnodes[i]
+            print(f"  dnode{i} deploay={dnode.deployed} ip={dnode.remoteIP} path={dnode.path}")
+
+        print(" end !")
+
+    # stop
+    def stop(self):
+        tdSql.close()
+        tdLog.success("%s successfully executed" % __file__)
+
+tdCases.addWindows(__file__, TDTestCase())
+tdCases.addLinux(__file__, TDTestCase())