feat: drop dnode

source/dnode/mnode/impl/src/mndDnode.c

@@ -566,9 +566,11 @@ static int32_t mndDropDnode(SMnode *pMnode, SRpcMsg *pReq, SDnodeObj *pDnode, SM
   pRaw = NULL;
 
   if (pMObj != NULL) {
+    mDebug("trans:%d, mnode on dnode:%d will be dropped", pTrans->id, pDnode->id);
     if (mndSetDropMnodeInfoToTrans(pMnode, pTrans, pMObj) != 0) goto _OVER;
   }
   if (numOfVnodes > 0) {
+    mDebug("trans:%d, %d vnodes on dnode:%d will be dropped", pTrans->id, numOfVnodes, pDnode->id);
     if (mndSetMoveVgroupsInfoToTrans(pMnode, pTrans, pDnode->id) != 0) goto _OVER;
   }
   if (mndTransPrepare(pMnode, pTrans) != 0) goto _OVER;

tests/script/jenkins/basic.txt

@@ -22,6 +22,7 @@
 
 # ---- dnode
 ./test.sh -f tsim/dnode/create_dnode.sim
+./test.sh -f tsim/dnode/drop_dnode_mnode.sim
 
 # ---- insert
 ./test.sh -f tsim/insert/basic0.sim

tests/script/tsim/dnode/drop_dnode_mnode.sim

+system sh/stop_dnodes.sh
+system sh/deploy.sh -n dnode1 -i 1
+system sh/deploy.sh -n dnode2 -i 2
+system sh/exec.sh -n dnode1 -s start
+system sh/exec.sh -n dnode2 -s start
+sql connect
+
+print =============== step1 create dnode2
+sql create dnode $hostname port 7200
+
+$x = 0
+step1:
+	$ = $x + 1
+	sleep 1000
+	if $x == 10 then
+	  print ====> dnode not ready!
+		return -1
+	endi
+sql show dnodes
+print ===> $data00 $data01 $data02 $data03 $data04 $data05
+print ===> $data10 $data11 $data12 $data13 $data14 $data15
+if $rows != 2 then
+  return -1
+endi
+if $data(1)[4] != ready then
+  goto step1
+endi
+if $data(2)[4] != ready then
+  goto step1
+endi
+
+sql create dnode $hostname port 7300
+sql drop dnode 3
+sql_error drop dnode 1
+
+print =============== step2: create mnode
+sql create mnode on dnode 2
+
+print =============== step3: drop dnode 3
+sql drop dnode 2
+sql show dnodes;
+if $rows != 1 then 
+  return -1
+endi
+
+if $data00 != 1 then 
+  return -1
+endi
+
+return 
+system sh/exec.sh -n dnode1 -s stop -x SIGINT
+system sh/exec.sh -n dnode2 -s stop -x SIGINT