test: add action test for transaction

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

@@ -44,6 +44,8 @@ typedef void (*TransCbFp)(SMnode *pMnode, void *param, int32_t paramLen);
 
 int32_t mndInitTrans(SMnode *pMnode);
 void    mndCleanupTrans(SMnode *pMnode);
+STrans *mndAcquireTrans(SMnode *pMnode, int32_t transId);
+void    mndReleaseTrans(SMnode *pMnode, STrans *pTrans);
 
 STrans *mndTransCreate(SMnode *pMnode, ETrnPolicy policy, ETrnType type, const SRpcMsg *pReq);
 void    mndTransDrop(STrans *pTrans);

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

@@ -537,7 +537,7 @@ static int32_t mndTransActionUpdate(SSdb *pSdb, STrans *pOld, STrans *pNew) {
   return 0;
 }
 
-static STrans *mndAcquireTrans(SMnode *pMnode, int32_t transId) {
+STrans *mndAcquireTrans(SMnode *pMnode, int32_t transId) {
   STrans *pTrans = sdbAcquire(pMnode->pSdb, SDB_TRANS, &transId);
   if (pTrans == NULL) {
     terrno = TSDB_CODE_MND_TRANS_NOT_EXIST;
@@ -545,7 +545,7 @@ static STrans *mndAcquireTrans(SMnode *pMnode, int32_t transId) {
   return pTrans;
 }
 
-static void mndReleaseTrans(SMnode *pMnode, STrans *pTrans) {
+void mndReleaseTrans(SMnode *pMnode, STrans *pTrans) {
   SSdb *pSdb = pMnode->pSdb;
   sdbRelease(pSdb, pTrans);
 }
@@ -919,27 +919,41 @@ static int32_t mndTransExecuteLogs(SMnode *pMnode, SArray *pArray) {
 
   if (arraySize == 0) return 0;
 
+  int32_t code = 0;
   for (int32_t i = 0; i < arraySize; ++i) {
     SSdbRaw *pRaw = taosArrayGetP(pArray, i);
-    int32_t  code = sdbWriteWithoutFree(pSdb, pRaw);
-    if (code != 0) {
-      return code;
+    if (sdbWriteWithoutFree(pSdb, pRaw) != 0) {
+      code = ((terrno != 0) ? terrno : -1);
     }
   }
 
-  return 0;
+  terrno = code;
+  return code;
 }
 
 static int32_t mndTransExecuteRedoLogs(SMnode *pMnode, STrans *pTrans) {
-  return mndTransExecuteLogs(pMnode, pTrans->redoLogs);
+  int32_t code = mndTransExecuteLogs(pMnode, pTrans->redoLogs);
+  if (code != 0) {
+    mError("failed to execute redoLogs since %s", terrstr());
+  }
+  return code;
 }
 
 static int32_t mndTransExecuteUndoLogs(SMnode *pMnode, STrans *pTrans) {
-  return mndTransExecuteLogs(pMnode, pTrans->undoLogs);
+  int32_t code = mndTransExecuteLogs(pMnode, pTrans->undoLogs);
+  if (code != 0) {
+    mError("failed to execute undoLogs since %s, return success", terrstr());
+  }
+
+  return 0;  // return success in any case
 }
 
 static int32_t mndTransExecuteCommitLogs(SMnode *pMnode, STrans *pTrans) {
-  return mndTransExecuteLogs(pMnode, pTrans->commitLogs);
+  int32_t code = mndTransExecuteLogs(pMnode, pTrans->commitLogs);
+  if (code != 0) {
+    mError("failed to execute commitLogs since %s", terrstr());
+  }
+  return code;
 }
 
 static void mndTransResetActions(SMnode *pMnode, STrans *pTrans, SArray *pArray) {
@@ -983,6 +997,7 @@ static int32_t mndTransSendActionMsg(SMnode *pMnode, STrans *pTrans, SArray *pAr
       pAction->msgReceived = 0;
       pAction->errCode = 0;
     } else {
+      if (terrno == TSDB_CODE_INVALID_PTR) rpcFreeCont(rpcMsg.pCont);
       mError("trans:%d, action:%d not send since %s", pTrans->id, action, terrstr());
       return -1;
     }
@@ -1029,11 +1044,19 @@ static int32_t mndTransExecuteActions(SMnode *pMnode, STrans *pTrans, SArray *pA
 }
 
 static int32_t mndTransExecuteRedoActions(SMnode *pMnode, STrans *pTrans) {
-  return mndTransExecuteActions(pMnode, pTrans, pTrans->redoActions);
+  int32_t code = mndTransExecuteActions(pMnode, pTrans, pTrans->redoActions);
+  if (code != 0) {
+    mError("failed to execute redoActions since %s", terrstr());
+  }
+  return code;
 }
 
 static int32_t mndTransExecuteUndoActions(SMnode *pMnode, STrans *pTrans) {
-  return mndTransExecuteActions(pMnode, pTrans, pTrans->undoActions);
+  int32_t code = mndTransExecuteActions(pMnode, pTrans, pTrans->undoActions);
+  if (code != 0) {
+    mError("failed to execute undoActions since %s", terrstr());
+  }
+  return code;
 }
 
 static bool mndTransPerformPrepareStage(SMnode *pMnode, STrans *pTrans) {

source/dnode/mnode/impl/test/trans/trans2.cpp

@@ -86,7 +86,7 @@ class MndTestTrans2 : public ::testing::Test {
   void SetUp() override {}
   void TearDown() override {}
 
-  int32_t CreateUser(const char *acct, const char *user) {
+  int32_t CreateUserLog(const char *acct, const char *user) {
     SUserObj userObj = {0};
     taosEncryptPass_c((uint8_t *)"taosdata", strlen("taosdata"), userObj.pass);
     tstrncpy(userObj.user, user, TSDB_USER_LEN);
@@ -101,7 +101,11 @@ class MndTestTrans2 : public ::testing::Test {
     mndTransAppendRedolog(pTrans, pRedoRaw);
     sdbSetRawStatus(pRedoRaw, SDB_STATUS_READY);
 
-    char *param = strdup("====> test param <=====");
+    SSdbRaw *pUndoRaw = mndUserActionEncode(&userObj);
+    mndTransAppendUndolog(pTrans, pUndoRaw);
+    sdbSetRawStatus(pUndoRaw, SDB_STATUS_DROPPED);
+
+    char *param = strdup("====> test log <=====");
     mndTransSetCb(pTrans, TEST_TRANS_START_FUNC, TEST_TRANS_STOP_FUNC, param, strlen(param) + 1);
 
     int32_t code = mndTransPrepare(pMnode, pTrans);
@@ -109,29 +113,137 @@ class MndTestTrans2 : public ::testing::Test {
 
     return code;
   }
+
+  int32_t CreateUserAction(const char *acct, const char *user, bool hasUndoAction) {
+    SUserObj userObj = {0};
+    taosEncryptPass_c((uint8_t *)"taosdata", strlen("taosdata"), userObj.pass);
+    tstrncpy(userObj.user, user, TSDB_USER_LEN);
+    tstrncpy(userObj.acct, acct, TSDB_USER_LEN);
+    userObj.createdTime = taosGetTimestampMs();
+    userObj.updateTime = userObj.createdTime;
+    userObj.superUser = 1;
+
+    SRpcMsg  rpcMsg = {0};
+    STrans  *pTrans = mndTransCreate(pMnode, TRN_POLICY_ROLLBACK, TRN_TYPE_CREATE_USER, &rpcMsg);
+    SSdbRaw *pRedoRaw = mndUserActionEncode(&userObj);
+    mndTransAppendRedolog(pTrans, pRedoRaw);
+    sdbSetRawStatus(pRedoRaw, SDB_STATUS_READY);
+
+    SSdbRaw *pUndoRaw = mndUserActionEncode(&userObj);
+    mndTransAppendUndolog(pTrans, pUndoRaw);
+    sdbSetRawStatus(pUndoRaw, SDB_STATUS_DROPPED);
+
+    char *param = strdup("====> test action <=====");
+    mndTransSetCb(pTrans, TEST_TRANS_START_FUNC, TEST_TRANS_STOP_FUNC, param, strlen(param) + 1);
+
+    {
+      STransAction action = {0};
+      action.epSet.inUse = 0;
+      action.epSet.numOfEps = 1;
+      action.epSet.eps[0].port = 9040;
+      strcpy(action.epSet.eps[0].fqdn, "localhost");
+
+      int32_t contLen = 1024;
+      void   *pReq = taosMemoryCalloc(1, contLen);
+      strcpy((char *)pReq, "hello world redo");
+      action.pCont = pReq;
+      action.contLen = contLen;
+      action.msgType = TDMT_DND_CREATE_MNODE;
+      action.acceptableCode = TSDB_CODE_NODE_ALREADY_DEPLOYED;
+      mndTransAppendRedoAction(pTrans, &action);
+    }
+
+    if (hasUndoAction) {
+      STransAction action = {0};
+      action.epSet.inUse = 0;
+      action.epSet.numOfEps = 1;
+      action.epSet.eps[0].port = 9040;
+      strcpy(action.epSet.eps[0].fqdn, "localhost");
+
+      int32_t contLen = 1024;
+      void   *pReq = taosMemoryCalloc(1, contLen);
+      strcpy((char *)pReq, "hello world undo");
+      action.pCont = pReq;
+      action.contLen = contLen;
+      action.msgType = TDMT_DND_CREATE_MNODE;
+      action.acceptableCode = TSDB_CODE_NODE_ALREADY_DEPLOYED;
+      mndTransAppendUndoAction(pTrans, &action);
+    }
+
+    int32_t code = mndTransPrepare(pMnode, pTrans);
+    mndTransDrop(pTrans);
+
+    return code;
+  }
 };
 
 SMnode *MndTestTrans2::pMnode;
 
-TEST_F(MndTestTrans2, 01_CbFunc) {
+TEST_F(MndTestTrans2, 01_Log) {
   const char *acct = "root";
   const char *acct_invalid = "root1";
-  const char *user1 = "test1";
-  const char *user2 = "test2";
+  const char *user1 = "log1";
+  const char *user2 = "log2";
   SUserObj   *pUser1 = NULL;
   SUserObj   *pUser2 = NULL;
 
   ASSERT_NE(pMnode, nullptr);
 
-  // create user success
-  EXPECT_EQ(CreateUser(acct, user1), 0);
+  EXPECT_EQ(CreateUserLog(acct, user1), 0);
   pUser1 = mndAcquireUser(pMnode, user1);
   ASSERT_NE(pUser1, nullptr);
 
   // failed to create user and rollback
-  EXPECT_EQ(CreateUser(acct_invalid, user2), 0);
+  EXPECT_EQ(CreateUserLog(acct_invalid, user2), 0);
   pUser2 = mndAcquireUser(pMnode, user2);
   ASSERT_EQ(pUser2, nullptr);
 
   mndTransPullup(pMnode);
 }
+
+TEST_F(MndTestTrans2, 02_Action) {
+  const char *acct = "root";
+  const char *acct_invalid = "root1";
+  const char *user1 = "action1";
+  const char *user2 = "action2";
+  SUserObj   *pUser1 = NULL;
+  SUserObj   *pUser2 = NULL;
+  STrans     *pTrans = NULL;
+  int32_t     transId = 4;
+  int32_t     action = 0;
+
+  ASSERT_NE(pMnode, nullptr);
+
+  // failed to create user and rollback
+  EXPECT_EQ(CreateUserAction(acct, user1, false), 0);
+  pUser1 = mndAcquireUser(pMnode, user1);
+  ASSERT_EQ(pUser1, nullptr);
+  mndReleaseUser(pMnode, pUser1);
+
+  // create user, and fake a response
+  EXPECT_EQ(CreateUserAction(acct, user1, true), 0);
+  pUser1 = mndAcquireUser(pMnode, user1);
+  ASSERT_NE(pUser1, nullptr);
+  mndReleaseUser(pMnode, pUser1);
+
+  pTrans = mndAcquireTrans(pMnode, transId);
+  EXPECT_EQ(pTrans->code, TSDB_CODE_INVALID_PTR);
+  EXPECT_EQ(pTrans->stage, TRN_STAGE_UNDO_ACTION);
+  EXPECT_EQ(pTrans->failedTimes, 1);
+
+  STransAction *pAction = (STransAction *)taosArrayGet(pTrans->undoActions, action);
+  pAction->msgSent = 1;
+
+  SNodeMsg rspMsg = {0};
+  rspMsg.pNode = pMnode;
+  int64_t signature = transId;
+  signature = (signature << 32);
+  signature += action;
+  rspMsg.rpcMsg.ahandle = (void *)signature;
+  mndTransProcessRsp(&rspMsg);
+  mndReleaseTrans(pMnode, pTrans);
+
+  pUser1 = mndAcquireUser(pMnode, user1);
+  ASSERT_EQ(pUser1, nullptr);
+  mndReleaseUser(pMnode, pUser1);
+}