Merge pull request #1646 from taosdata/feature/mpeer

merge from wal

src/mnode/src/mgmtDnode.c

@@ -402,8 +402,10 @@ static int32_t mgmtCreateDnode(uint32_t ip) {
 
   int32_t code = sdbInsertRow(&oper);
   if (code != TSDB_CODE_SUCCESS) {
+    int dnodeId = pDnode->dnodeId;
     tfree(pDnode);
-    code = TSDB_CODE_SDB_ERROR;
+    mError("failed to create dnode:%d, result:%s", dnodeId, tstrerror(code));
+    return TSDB_CODE_SDB_ERROR;
   }
 
   mPrint("dnode:%d is created, result:%s", pDnode->dnodeId, tstrerror(code));

tests/script/unique/mnode/basic1.sim

+system sh/stop_dnodes.sh
+system sh/deploy.sh -n dnode1 -m 192.168.0.1 -i 192.168.0.1
+system sh/deploy.sh -n dnode2 -m 192.168.0.1 -i 192.168.0.2
+system sh/deploy.sh -n dnode3 -m 192.168.0.1 -i 192.168.0.3
+system sh/cfg.sh -n dnode1 -c numOfMPeers -v 3
+system sh/cfg.sh -n dnode2 -c numOfMPeers -v 3
+system sh/cfg.sh -n dnode3 -c numOfMPeers -v 3
+
+system sh/exec_up.sh -n dnode1 -s start
+system sh/exec_up.sh -n dnode2 -s start
+
+sql connect
+
+sleep 2000
+sql create dnode 192.168.0.2