check vnode status before alter or build status

src/inc/taoserror.h

@@ -180,7 +180,8 @@ TAOS_DEFINE_ERROR(TSDB_CODE_VND_NO_DISK_PERMISSIONS,      0, 0x0506, "vnode no d
 TAOS_DEFINE_ERROR(TSDB_CODE_VND_NO_SUCH_FILE_OR_DIR,      0, 0x0507, "vnode no such file or directory")
 TAOS_DEFINE_ERROR(TSDB_CODE_VND_OUT_OF_MEMORY,            0, 0x0508, "vnode out of memory")
 TAOS_DEFINE_ERROR(TSDB_CODE_VND_APP_ERROR,                0, 0x0509, "vnode app error")
-TAOS_DEFINE_ERROR(TSDB_CODE_VND_NO_WRITE_AUTH,            0, 0x0214, "vnode no write auth")
+TAOS_DEFINE_ERROR(TSDB_CODE_VND_INVALID_STATUS,           0, 0x0510, "vnode not in ready state")
+TAOS_DEFINE_ERROR(TSDB_CODE_VND_NO_WRITE_AUTH,            0, 0x0511, "vnode no write auth")
 
 // tsdb
 TAOS_DEFINE_ERROR(TSDB_CODE_TDB_INVALID_TABLE_ID,         0, 0x0600, "tsdb invalid table id")

src/vnode/src/vnodeMain.c

@@ -162,6 +162,12 @@ int32_t vnodeAlter(void *param, SMDCreateVnodeMsg *pVnodeCfg) {
   SVnodeObj *pVnode = param;
   pVnode->status = TAOS_VN_STATUS_UPDATING;
 
+  if (pVnode->status != TAOS_VN_STATUS_READY) 
+    return TSDB_CODE_VND_INVALID_STATUS;
+
+  if (pVnode->syncCfg.replica > 1 && pVnode->role == TAOS_SYNC_ROLE_UNSYNCED)
+    return TSDB_CODE_VND_INVALID_STATUS;
+
   int32_t code = vnodeSaveCfg(pVnodeCfg);
   if (code != TSDB_CODE_SUCCESS) return code; 
 
@@ -408,8 +414,11 @@ void *vnodeGetWal(void *pVnode) {
 }
 
 static void vnodeBuildVloadMsg(SVnodeObj *pVnode, SDMStatusMsg *pStatus) {
-  if (pVnode->status == TAOS_VN_STATUS_DELETING) return;
+  if (pVnode->status != TAOS_VN_STATUS_READY) return;
   if (pStatus->openVnodes >= TSDB_MAX_VNODES) return;
+  if (pVnode->syncCfg.replica > 1 && pVnode->role == TAOS_SYNC_ROLE_UNSYNCED) return;
+  if (pVnode->tsdb == NULL) return;
+
   int64_t totalStorage, compStorage, pointsWritten = 0;
   tsdbReportStat(pVnode->tsdb, &pointsWritten, &totalStorage, &compStorage);
 

src/vnode/src/vnodeRead.c

@@ -46,9 +46,9 @@ int32_t vnodeProcessRead(void *param, SReadMsg *pReadMsg) {
     return TSDB_CODE_VND_MSG_NOT_PROCESSED;
   }
 
-  if (pVnode->status == TAOS_VN_STATUS_DELETING || pVnode->status == TAOS_VN_STATUS_CLOSING) {
+  if (pVnode->status != TAOS_VN_STATUS_READY) {
     vDebug("vgId:%d, msgType:%s not processed, vnode status is %d", pVnode->vgId, taosMsg[msgType], pVnode->status);
-    return TSDB_CODE_VND_INVALID_VGROUP_ID; 
+    return TSDB_CODE_VND_INVALID_STATUS; 
   }
 
   // TODO: Later, let slave to support query

src/vnode/src/vnodeWrite.c

@@ -58,10 +58,10 @@ int32_t vnodeProcessWrite(void *param1, int qtype, void *param2, void *item) {
 
   if (pHead->version == 0) { // from client or CQ 
     if (pVnode->status != TAOS_VN_STATUS_READY) 
-      return TSDB_CODE_VND_INVALID_VGROUP_ID;  // it may be in deleting or closing state
+      return TSDB_CODE_VND_INVALID_STATUS;  // it may be in deleting or closing state
 
     if (pVnode->syncCfg.replica > 1 && pVnode->role != TAOS_SYNC_ROLE_MASTER)
-      return TSDB_CODE_RPC_NOT_READY;
+      return TSDB_CODE_VND_INVALID_STATUS;
 
     // assign version
     pVnode->version++;