refactor: let all operations of mnode into the sync log

source/dnode/mnode/impl/inc/mndInt.h

@@ -93,6 +93,7 @@ typedef struct SMnode {
   int32_t       selfId;
   int64_t       clusterId;
   TdThread      thread;
+  bool          deploy;
   bool          stopped;
   int8_t        replica;
   int8_t        selfIndex;

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

@@ -90,13 +90,40 @@ static int32_t mndCreateDefaultDnode(SMnode *pMnode) {
   dnodeObj.updateTime = dnodeObj.createdTime;
   dnodeObj.port = pMnode->replicas[0].port;
   memcpy(&dnodeObj.fqdn, pMnode->replicas[0].fqdn, TSDB_FQDN_LEN);
+  snprintf(dnodeObj.ep, TSDB_EP_LEN, "%s:%u", dnodeObj.fqdn, dnodeObj.port);
 
   SSdbRaw *pRaw = mndDnodeActionEncode(&dnodeObj);
   if (pRaw == NULL) return -1;
   if (sdbSetRawStatus(pRaw, SDB_STATUS_READY) != 0) return -1;
 
   mDebug("dnode:%d, will be created while deploy sdb, raw:%p", dnodeObj.id, pRaw);
+
+#if 0
   return sdbWrite(pMnode->pSdb, pRaw);
+#else
+  STrans *pTrans = mndTransCreate(pMnode, TRN_POLICY_RETRY, TRN_TYPE_CREATE_DNODE, NULL);
+  if (pTrans == NULL) {
+    mError("dnode:%s, failed to create since %s", dnodeObj.ep, terrstr());
+    return -1;
+  }
+  mDebug("trans:%d, used to create dnode:%s", pTrans->id, dnodeObj.ep);
+
+  if (mndTransAppendCommitlog(pTrans, pRaw) != 0) {
+    mError("trans:%d, failed to append commit log since %s", pTrans->id, terrstr());
+    mndTransDrop(pTrans);
+    return -1;
+  }
+  sdbSetRawStatus(pRaw, SDB_STATUS_READY);
+
+  if (mndTransPrepare(pMnode, pTrans) != 0) {
+    mError("trans:%d, failed to prepare since %s", pTrans->id, terrstr());
+    mndTransDrop(pTrans);
+    return -1;
+  }
+
+  mndTransDrop(pTrans);
+  return 0;
+#endif
 }
 
 static SSdbRaw *mndDnodeActionEncode(SDnodeObj *pDnode) {
@@ -701,7 +728,7 @@ static int32_t mndRetrieveDnodes(SRpcMsg *pReq, SShowObj *pShow, SSDataBlock *pB
     colDataAppend(pColInfo, numOfRows, (const char *)&pDnode->id, false);
 
     char buf[tListLen(pDnode->ep) + VARSTR_HEADER_SIZE] = {0};
-    STR_WITH_MAXSIZE_TO_VARSTR(buf, pDnode->ep,   pShow->pMeta->pSchemas[cols].bytes);
+    STR_WITH_MAXSIZE_TO_VARSTR(buf, pDnode->ep, pShow->pMeta->pSchemas[cols].bytes);
 
     pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
     colDataAppend(pColInfo, numOfRows, buf, false);

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

@@ -110,7 +110,33 @@ static int32_t mndCreateDefaultMnode(SMnode *pMnode) {
   sdbSetRawStatus(pRaw, SDB_STATUS_READY);
 
   mDebug("mnode:%d, will be created while deploy sdb, raw:%p", mnodeObj.id, pRaw);
+
+#if 0
   return sdbWrite(pMnode->pSdb, pRaw);
+#else
+  STrans *pTrans = mndTransCreate(pMnode, TRN_POLICY_RETRY, TRN_TYPE_CREATE_DNODE, NULL);
+  if (pTrans == NULL) {
+    mError("mnode:%d, failed to create since %s", mnodeObj.id, terrstr());
+    return -1;
+  }
+  mDebug("trans:%d, used to create mnode:%d", pTrans->id, mnodeObj.id);
+
+  if (mndTransAppendCommitlog(pTrans, pRaw) != 0) {
+    mError("trans:%d, failed to append commit log since %s", pTrans->id, terrstr());
+    mndTransDrop(pTrans);
+    return -1;
+  }
+  sdbSetRawStatus(pRaw, SDB_STATUS_READY);
+
+  if (mndTransPrepare(pMnode, pTrans) != 0) {
+    mError("trans:%d, failed to prepare since %s", pTrans->id, terrstr());
+    mndTransDrop(pTrans);
+    return -1;
+  }
+
+  mndTransDrop(pTrans);
+  return 0;
+#endif
 }
 
 static SSdbRaw *mndMnodeActionEncode(SMnodeObj *pObj) {

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

@@ -563,7 +563,7 @@ STrans *mndTransCreate(SMnode *pMnode, ETrnPolicy policy, ETrnType type, const S
   pTrans->policy = policy;
   pTrans->type = type;
   pTrans->createdTime = taosGetTimestampMs();
-  pTrans->rpcInfo = pReq->info;
+  if (pReq != NULL) pTrans->rpcInfo = pReq->info;
   pTrans->redoLogs = taosArrayInit(TRANS_ARRAY_SIZE, sizeof(void *));
   pTrans->undoLogs = taosArrayInit(TRANS_ARRAY_SIZE, sizeof(void *));
   pTrans->commitLogs = taosArrayInit(TRANS_ARRAY_SIZE, sizeof(void *));

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

@@ -78,7 +78,33 @@ static int32_t mndCreateDefaultUser(SMnode *pMnode, char *acct, char *user, char
   sdbSetRawStatus(pRaw, SDB_STATUS_READY);
 
   mDebug("user:%s, will be created while deploy sdb, raw:%p", userObj.user, pRaw);
+
+#if 0
   return sdbWrite(pMnode->pSdb, pRaw);
+#else
+  STrans *pTrans = mndTransCreate(pMnode, TRN_POLICY_RETRY, TRN_TYPE_CREATE_USER, NULL);
+  if (pTrans == NULL) {
+    mError("user:%s, failed to create since %s", userObj.user, terrstr());
+    return -1;
+  }
+  mDebug("trans:%d, used to create user:%s", pTrans->id, userObj.user);
+
+  if (mndTransAppendCommitlog(pTrans, pRaw) != 0) {
+    mError("trans:%d, failed to commit redo log since %s", pTrans->id, terrstr());
+    mndTransDrop(pTrans);
+    return -1;
+  }
+  sdbSetRawStatus(pRaw, SDB_STATUS_READY);
+
+  if (mndTransPrepare(pMnode, pTrans) != 0) {
+    mError("trans:%d, failed to prepare since %s", pTrans->id, terrstr());
+    mndTransDrop(pTrans);
+    return -1;
+  }
+
+  mndTransDrop(pTrans);
+  return 0;
+#endif
 }
 
 static int32_t mndCreateDefaultUsers(SMnode *pMnode) {

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

@@ -153,8 +153,14 @@ static int32_t mndInitSdb(SMnode *pMnode) {
   return 0;
 }
 
-static int32_t mndDeploySdb(SMnode *pMnode) { return sdbDeploy(pMnode->pSdb); }
-static int32_t mndReadSdb(SMnode *pMnode) { return sdbReadFile(pMnode->pSdb); }
+static int32_t mndOpenSdb(SMnode *pMnode) {
+  if (!pMnode->deploy) {
+    return sdbReadFile(pMnode->pSdb);
+  } else {
+    // return sdbDeploy(pMnode->pSdb);;
+    return 0;
+  }
+}
 
 static void mndCleanupSdb(SMnode *pMnode) {
   if (pMnode->pSdb) {
@@ -176,7 +182,7 @@ static int32_t mndAllocStep(SMnode *pMnode, char *name, MndInitFp initFp, MndCle
   return 0;
 }
 
-static int32_t mndInitSteps(SMnode *pMnode, bool deploy) {
+static int32_t mndInitSteps(SMnode *pMnode) {
   if (mndAllocStep(pMnode, "mnode-sdb", mndInitSdb, mndCleanupSdb) != 0) return -1;
   if (mndAllocStep(pMnode, "mnode-trans", mndInitTrans, mndCleanupTrans) != 0) return -1;
   if (mndAllocStep(pMnode, "mnode-cluster", mndInitCluster, mndCleanupCluster) != 0) return -1;
@@ -201,11 +207,7 @@ static int32_t mndInitSteps(SMnode *pMnode, bool deploy) {
   if (mndAllocStep(pMnode, "mnode-perfs", mndInitPerfs, mndCleanupPerfs) != 0) return -1;
   if (mndAllocStep(pMnode, "mnode-db", mndInitDb, mndCleanupDb) != 0) return -1;
   if (mndAllocStep(pMnode, "mnode-func", mndInitFunc, mndCleanupFunc) != 0) return -1;
-  if (deploy) {
-    if (mndAllocStep(pMnode, "mnode-sdb-deploy", mndDeploySdb, NULL) != 0) return -1;
-  } else {
-    if (mndAllocStep(pMnode, "mnode-sdb-read", mndReadSdb, NULL) != 0) return -1;
-  }
+  if (mndAllocStep(pMnode, "mnode-sdb", mndOpenSdb, NULL) != 0) return -1;
   if (mndAllocStep(pMnode, "mnode-profile", mndInitProfile, mndCleanupProfile) != 0) return -1;
   if (mndAllocStep(pMnode, "mnode-show", mndInitShow, mndCleanupShow) != 0) return -1;
   if (mndAllocStep(pMnode, "mnode-query", mndInitQuery, mndCleanupQuery) != 0) return -1;
@@ -280,6 +282,7 @@ SMnode *mndOpen(const char *path, const SMnodeOpt *pOption) {
   (void)taosParseTime(timestr, &pMnode->checkTime, (int32_t)strlen(timestr), TSDB_TIME_PRECISION_MILLI, 0);
   mndSetOptions(pMnode, pOption);
 
+  pMnode->deploy = pOption->deploy;
   pMnode->pSteps = taosArrayInit(24, sizeof(SMnodeStep));
   if (pMnode->pSteps == NULL) {
     taosMemoryFree(pMnode);
@@ -297,7 +300,7 @@ SMnode *mndOpen(const char *path, const SMnodeOpt *pOption) {
     return NULL;
   }
 
-  code = mndInitSteps(pMnode, pOption->deploy);
+  code = mndInitSteps(pMnode);
   if (code != 0) {
     code = terrno;
     mError("failed to open mnode since %s", terrstr());
@@ -332,6 +335,9 @@ void mndClose(SMnode *pMnode) {
 
 int32_t mndStart(SMnode *pMnode) {
   mndSyncStart(pMnode);
+  if (pMnode->deploy && sdbDeploy(pMnode->pSdb) != 0) {
+    return -1;
+  }
   return mndInitTimer(pMnode);
 }