Merge pull request #17970 from taosdata/fix/TD-20286

fix: the vnode was created to the wrong dnode when network was misconfigured

source/dnode/mgmt/mgmt_vnode/src/vmHandle.c

@@ -191,6 +191,16 @@ int32_t vmProcessCreateVnodeReq(SVnodeMgmt *pMgmt, SRpcMsg *pMsg) {
     dInfo("vgId:%d, replica:%d id:%d fqdn:%s port:%u", req.vgId, i, req.replicas[i].id, req.replicas[i].fqdn,
           req.replicas[i].port);
   }
+
+  SReplica *pReplica = &req.replicas[req.selfIndex];
+  if (pReplica->id != pMgmt->pData->dnodeId || pReplica->port != tsServerPort ||
+      strcmp(pReplica->fqdn, tsLocalFqdn) != 0) {
+    terrno = TSDB_CODE_INVALID_MSG;
+    dError("vgId:%d, dnodeId:%d ep:%s:%u not matched with local dnode", req.vgId, pReplica->id, pReplica->fqdn,
+           pReplica->port);
+    return -1;
+  }
+
   vmGenerateVnodeCfg(&req, &vnodeCfg);
 
   if (vmTsmaAdjustDays(&vnodeCfg, &req) < 0) {
@@ -285,6 +295,15 @@ int32_t vmProcessAlterVnodeReq(SVnodeMgmt *pMgmt, SRpcMsg *pMsg) {
     return -1;
   }
 
+  SReplica *pReplica = &alterReq.replicas[alterReq.selfIndex];
+  if (pReplica->id != pMgmt->pData->dnodeId || pReplica->port != tsServerPort ||
+      strcmp(pReplica->fqdn, tsLocalFqdn) != 0) {
+    terrno = TSDB_CODE_INVALID_MSG;
+    dError("vgId:%d, dnodeId:%d ep:%s:%u not matched with local dnode", alterReq.vgId, pReplica->id, pReplica->fqdn,
+           pReplica->port);
+    return -1;
+  }
+
   SVnodeObj *pVnode = vmAcquireVnode(pMgmt, vgId);
   if (pVnode == NULL) {
     dError("vgId:%d, failed to alter replica since %s", vgId, terrstr());
@@ -341,6 +360,12 @@ int32_t vmProcessDropVnodeReq(SVnodeMgmt *pMgmt, SRpcMsg *pMsg) {
   int32_t vgId = dropReq.vgId;
   dDebug("vgId:%d, start to drop vnode", vgId);
 
+  if (dropReq.dnodeId != pMgmt->pData->dnodeId) {
+    terrno = TSDB_CODE_INVALID_MSG;
+    dError("vgId:%d, dnodeId:%d not matched with local dnode", dropReq.vgId, dropReq.dnodeId);
+    return -1;
+  }
+
   SVnodeObj *pVnode = vmAcquireVnode(pMgmt, vgId);
   if (pVnode == NULL) {
     dDebug("vgId:%d, failed to drop since %s", vgId, terrstr());