1088 lines
36 KiB
C
1088 lines
36 KiB
C
/*
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* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
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*
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* This program is free software: you can use, redistribute, and/or modify
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* it under the terms of the GNU Affero General Public License, version 3
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* or later ("AGPL"), as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#define _DEFAULT_SOURCE
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#include "mndMnode.h"
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#include "audit.h"
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#include "mndCluster.h"
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#include "mndDnode.h"
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#include "mndPrivilege.h"
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#include "mndShow.h"
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#include "mndSync.h"
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#include "mndTrans.h"
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#include "tmisce.h"
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#define MNODE_VER_NUMBER 2
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#define MNODE_RESERVE_SIZE 64
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static int32_t mndCreateDefaultMnode(SMnode *pMnode);
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static SSdbRaw *mndMnodeActionEncode(SMnodeObj *pObj);
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static SSdbRow *mndMnodeActionDecode(SSdbRaw *pRaw);
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static int32_t mndMnodeActionInsert(SSdb *pSdb, SMnodeObj *pObj);
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static int32_t mndMnodeActionDelete(SSdb *pSdb, SMnodeObj *pObj);
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static int32_t mndMnodeActionUpdate(SSdb *pSdb, SMnodeObj *pOld, SMnodeObj *pNew);
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static int32_t mndProcessCreateMnodeReq(SRpcMsg *pReq);
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static int32_t mndProcessAlterMnodeReq(SRpcMsg *pReq);
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static int32_t mndProcessDropMnodeReq(SRpcMsg *pReq);
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static int32_t mndRetrieveMnodes(SRpcMsg *pReq, SShowObj *pShow, SSDataBlock *pBlock, int32_t rows);
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static void mndCancelGetNextMnode(SMnode *pMnode, void *pIter);
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static void mndReloadSyncConfig(SMnode *pMnode);
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int32_t mndInitMnode(SMnode *pMnode) {
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SSdbTable table = {
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.sdbType = SDB_MNODE,
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.keyType = SDB_KEY_INT32,
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.deployFp = (SdbDeployFp)mndCreateDefaultMnode,
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.encodeFp = (SdbEncodeFp)mndMnodeActionEncode,
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.decodeFp = (SdbDecodeFp)mndMnodeActionDecode,
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.insertFp = (SdbInsertFp)mndMnodeActionInsert,
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.updateFp = (SdbUpdateFp)mndMnodeActionUpdate,
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.deleteFp = (SdbDeleteFp)mndMnodeActionDelete,
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};
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mndSetMsgHandle(pMnode, TDMT_MND_CREATE_MNODE, mndProcessCreateMnodeReq);
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mndSetMsgHandle(pMnode, TDMT_DND_CREATE_MNODE_RSP, mndTransProcessRsp);
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mndSetMsgHandle(pMnode, TDMT_DND_ALTER_MNODE_TYPE_RSP, mndTransProcessRsp);
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mndSetMsgHandle(pMnode, TDMT_MND_ALTER_MNODE, mndProcessAlterMnodeReq);
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mndSetMsgHandle(pMnode, TDMT_MND_ALTER_MNODE_RSP, mndTransProcessRsp);
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mndSetMsgHandle(pMnode, TDMT_MND_DROP_MNODE, mndProcessDropMnodeReq);
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mndSetMsgHandle(pMnode, TDMT_DND_DROP_MNODE_RSP, mndTransProcessRsp);
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mndAddShowRetrieveHandle(pMnode, TSDB_MGMT_TABLE_MNODE, mndRetrieveMnodes);
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mndAddShowFreeIterHandle(pMnode, TSDB_MGMT_TABLE_MNODE, mndCancelGetNextMnode);
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return sdbSetTable(pMnode->pSdb, table);
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}
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void mndCleanupMnode(SMnode *pMnode) {}
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SMnodeObj *mndAcquireMnode(SMnode *pMnode, int32_t mnodeId) {
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terrno = 0;
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SMnodeObj *pObj = sdbAcquire(pMnode->pSdb, SDB_MNODE, &mnodeId);
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if (pObj == NULL && terrno == TSDB_CODE_SDB_OBJ_NOT_THERE) {
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terrno = TSDB_CODE_MND_MNODE_NOT_EXIST;
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}
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return pObj;
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}
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void mndReleaseMnode(SMnode *pMnode, SMnodeObj *pObj) {
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SSdb *pSdb = pMnode->pSdb;
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sdbRelease(pMnode->pSdb, pObj);
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}
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static int32_t mndCreateDefaultMnode(SMnode *pMnode) {
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int32_t code = 0;
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SMnodeObj mnodeObj = {0};
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mnodeObj.id = 1;
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mnodeObj.createdTime = taosGetTimestampMs();
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mnodeObj.updateTime = mnodeObj.createdTime;
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SSdbRaw *pRaw = mndMnodeActionEncode(&mnodeObj);
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if (pRaw == NULL) {
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code = TSDB_CODE_MND_RETURN_VALUE_NULL;
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if (terrno != 0) code = terrno;
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return -1;
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}
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(void)sdbSetRawStatus(pRaw, SDB_STATUS_READY);
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mInfo("mnode:%d, will be created when deploying, raw:%p", mnodeObj.id, pRaw);
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STrans *pTrans = mndTransCreate(pMnode, TRN_POLICY_RETRY, TRN_CONFLICT_GLOBAL, NULL, "create-mnode");
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if (pTrans == NULL) {
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sdbFreeRaw(pRaw);
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mError("mnode:%d, failed to create since %s", mnodeObj.id, terrstr());
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code = TSDB_CODE_MND_RETURN_VALUE_NULL;
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if (terrno != 0) code = terrno;
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return -1;
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}
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mInfo("trans:%d, used to create mnode:%d", pTrans->id, mnodeObj.id);
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if ((code = mndTransAppendCommitlog(pTrans, pRaw)) != 0) {
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mError("trans:%d, failed to append commit log since %s", pTrans->id, terrstr());
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mndTransDrop(pTrans);
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TAOS_RETURN(code);
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}
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(void)sdbSetRawStatus(pRaw, SDB_STATUS_READY);
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if ((code = mndTransPrepare(pMnode, pTrans)) != 0) {
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mError("trans:%d, failed to prepare since %s", pTrans->id, terrstr());
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mndTransDrop(pTrans);
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return -1;
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}
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mndTransDrop(pTrans);
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TAOS_RETURN(code);
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}
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static SSdbRaw *mndMnodeActionEncode(SMnodeObj *pObj) {
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terrno = TSDB_CODE_OUT_OF_MEMORY;
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SSdbRaw *pRaw = sdbAllocRaw(SDB_MNODE, MNODE_VER_NUMBER, sizeof(SMnodeObj) + MNODE_RESERVE_SIZE);
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if (pRaw == NULL) goto _OVER;
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int32_t dataPos = 0;
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SDB_SET_INT32(pRaw, dataPos, pObj->id, _OVER)
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SDB_SET_INT64(pRaw, dataPos, pObj->createdTime, _OVER)
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SDB_SET_INT64(pRaw, dataPos, pObj->updateTime, _OVER)
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SDB_SET_INT32(pRaw, dataPos, pObj->role, _OVER)
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SDB_SET_INT64(pRaw, dataPos, pObj->lastIndex, _OVER)
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SDB_SET_RESERVE(pRaw, dataPos, MNODE_RESERVE_SIZE, _OVER)
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terrno = 0;
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_OVER:
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if (terrno != 0) {
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mError("mnode:%d, failed to encode to raw:%p since %s", pObj->id, pRaw, terrstr());
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sdbFreeRaw(pRaw);
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return NULL;
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}
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mTrace("mnode:%d, encode to raw:%p, row:%p", pObj->id, pRaw, pObj);
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return pRaw;
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}
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static SSdbRow *mndMnodeActionDecode(SSdbRaw *pRaw) {
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terrno = TSDB_CODE_OUT_OF_MEMORY;
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SSdbRow *pRow = NULL;
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SMnodeObj *pObj = NULL;
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int8_t sver = 0;
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if (sdbGetRawSoftVer(pRaw, &sver) != 0) return NULL;
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if (sver != 1 && sver != 2) {
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terrno = TSDB_CODE_SDB_INVALID_DATA_VER;
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goto _OVER;
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}
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pRow = sdbAllocRow(sizeof(SMnodeObj));
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if (pRow == NULL) goto _OVER;
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pObj = sdbGetRowObj(pRow);
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if (pObj == NULL) goto _OVER;
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int32_t dataPos = 0;
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SDB_GET_INT32(pRaw, dataPos, &pObj->id, _OVER)
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SDB_GET_INT64(pRaw, dataPos, &pObj->createdTime, _OVER)
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SDB_GET_INT64(pRaw, dataPos, &pObj->updateTime, _OVER)
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if (sver >= 2) {
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SDB_GET_INT32(pRaw, dataPos, &pObj->role, _OVER)
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SDB_GET_INT64(pRaw, dataPos, &pObj->lastIndex, _OVER)
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}
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SDB_GET_RESERVE(pRaw, dataPos, MNODE_RESERVE_SIZE, _OVER)
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terrno = 0;
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_OVER:
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if (terrno != 0) {
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mError("mnode:%d, failed to decode from raw:%p since %s", pObj == NULL ? 0 : pObj->id, pRaw, terrstr());
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taosMemoryFreeClear(pRow);
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return NULL;
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}
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mTrace("mnode:%d, decode from raw:%p, row:%p", pObj->id, pRaw, pObj);
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return pRow;
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}
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static int32_t mndMnodeActionInsert(SSdb *pSdb, SMnodeObj *pObj) {
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int32_t code = 0;
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mTrace("mnode:%d, perform insert action, row:%p", pObj->id, pObj);
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pObj->pDnode = sdbAcquireNotReadyObj(pSdb, SDB_DNODE, &pObj->id);
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if (pObj->pDnode == NULL) {
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mError("mnode:%d, failed to perform insert action since %s", pObj->id, terrstr());
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code = TSDB_CODE_MND_RETURN_VALUE_NULL;
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if (terrno != 0) code = terrno;
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int32_t code = 0;
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}
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pObj->syncState = TAOS_SYNC_STATE_OFFLINE;
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mndReloadSyncConfig(pSdb->pMnode);
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TAOS_RETURN(code);
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}
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static int32_t mndMnodeActionDelete(SSdb *pSdb, SMnodeObj *pObj) {
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mTrace("mnode:%d, perform delete action, row:%p", pObj->id, pObj);
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if (pObj->pDnode != NULL) {
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sdbRelease(pSdb, pObj->pDnode);
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pObj->pDnode = NULL;
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}
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return 0;
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}
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static int32_t mndMnodeActionUpdate(SSdb *pSdb, SMnodeObj *pOld, SMnodeObj *pNew) {
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mTrace("mnode:%d, perform update action, old row:%p new row:%p", pOld->id, pOld, pNew);
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pOld->role = pNew->role;
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pOld->updateTime = pNew->updateTime;
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pOld->lastIndex = pNew->lastIndex;
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mndReloadSyncConfig(pSdb->pMnode);
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return 0;
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}
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bool mndIsMnode(SMnode *pMnode, int32_t dnodeId) {
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SSdb *pSdb = pMnode->pSdb;
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SMnodeObj *pObj = sdbAcquire(pSdb, SDB_MNODE, &dnodeId);
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if (pObj == NULL) {
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return false;
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}
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sdbRelease(pSdb, pObj);
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return true;
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}
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void mndGetMnodeEpSet(SMnode *pMnode, SEpSet *pEpSet) {
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SSdb *pSdb = pMnode->pSdb;
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int32_t totalMnodes = sdbGetSize(pSdb, SDB_MNODE);
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if (totalMnodes == 0) {
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syncGetRetryEpSet(pMnode->syncMgmt.sync, pEpSet);
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return;
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}
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void *pIter = NULL;
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while (1) {
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SMnodeObj *pObj = NULL;
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pIter = sdbFetch(pSdb, SDB_MNODE, pIter, (void **)&pObj);
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if (pIter == NULL) break;
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if (pObj->id == pMnode->selfDnodeId) {
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if (mndIsLeader(pMnode)) {
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pEpSet->inUse = pEpSet->numOfEps;
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} else {
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pEpSet->inUse = (pEpSet->numOfEps + 1) % totalMnodes;
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// pEpSet->inUse = 0;
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}
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}
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if (pObj->pDnode != NULL) {
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addEpIntoEpSet(pEpSet, pObj->pDnode->fqdn, pObj->pDnode->port);
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}
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sdbRelease(pSdb, pObj);
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}
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if (pEpSet->numOfEps == 0) {
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syncGetRetryEpSet(pMnode->syncMgmt.sync, pEpSet);
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}
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if (pEpSet->inUse >= pEpSet->numOfEps) {
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pEpSet->inUse = 0;
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}
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epsetSort(pEpSet);
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}
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static int32_t mndSetCreateMnodeRedoLogs(SMnode *pMnode, STrans *pTrans, SMnodeObj *pObj) {
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int32_t code = 0;
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SSdbRaw *pRedoRaw = mndMnodeActionEncode(pObj);
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if (pRedoRaw == NULL) {
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code = TSDB_CODE_MND_RETURN_VALUE_NULL;
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if (terrno != 0) code = terrno;
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TAOS_RETURN(code);
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}
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TAOS_CHECK_RETURN(mndTransAppendRedolog(pTrans, pRedoRaw));
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TAOS_CHECK_RETURN(sdbSetRawStatus(pRedoRaw, SDB_STATUS_CREATING));
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TAOS_RETURN(code);
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}
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int32_t mndSetRestoreCreateMnodeRedoLogs(SMnode *pMnode, STrans *pTrans, SMnodeObj *pObj) {
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int32_t code = 0;
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SSdbRaw *pRedoRaw = mndMnodeActionEncode(pObj);
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if (pRedoRaw == NULL) {
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code = TSDB_CODE_MND_RETURN_VALUE_NULL;
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if (terrno != 0) code = terrno;
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TAOS_RETURN(code);
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}
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TAOS_CHECK_RETURN(mndTransAppendRedolog(pTrans, pRedoRaw));
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TAOS_CHECK_RETURN(sdbSetRawStatus(pRedoRaw, SDB_STATUS_READY));
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TAOS_RETURN(code);
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}
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static int32_t mndSetCreateMnodeUndoLogs(SMnode *pMnode, STrans *pTrans, SMnodeObj *pObj) {
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int32_t code = 0;
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SSdbRaw *pUndoRaw = mndMnodeActionEncode(pObj);
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if (pUndoRaw == NULL) {
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code = TSDB_CODE_MND_RETURN_VALUE_NULL;
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if (terrno != 0) code = terrno;
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TAOS_RETURN(code);
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}
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TAOS_CHECK_RETURN(mndTransAppendUndolog(pTrans, pUndoRaw));
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TAOS_CHECK_RETURN(sdbSetRawStatus(pUndoRaw, SDB_STATUS_DROPPED));
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TAOS_RETURN(code);
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}
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int32_t mndSetCreateMnodeCommitLogs(SMnode *pMnode, STrans *pTrans, SMnodeObj *pObj) {
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int32_t code = 0;
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SSdbRaw *pCommitRaw = mndMnodeActionEncode(pObj);
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if (pCommitRaw == NULL) {
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code = TSDB_CODE_MND_RETURN_VALUE_NULL;
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if (terrno != 0) code = terrno;
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TAOS_RETURN(code);
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}
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TAOS_CHECK_RETURN(mndTransAppendCommitlog(pTrans, pCommitRaw));
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TAOS_CHECK_RETURN(sdbSetRawStatus(pCommitRaw, SDB_STATUS_READY));
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TAOS_RETURN(code);
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}
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static int32_t mndBuildCreateMnodeRedoAction(STrans *pTrans, SDCreateMnodeReq *pCreateReq, SEpSet *pCreateEpSet) {
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int32_t code = 0;
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int32_t contLen = tSerializeSDCreateMnodeReq(NULL, 0, pCreateReq);
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void *pReq = taosMemoryMalloc(contLen);
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tSerializeSDCreateMnodeReq(pReq, contLen, pCreateReq);
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STransAction action = {
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.epSet = *pCreateEpSet,
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.pCont = pReq,
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.contLen = contLen,
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.msgType = TDMT_DND_CREATE_MNODE,
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.acceptableCode = TSDB_CODE_MNODE_ALREADY_DEPLOYED,
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};
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if ((code = mndTransAppendRedoAction(pTrans, &action)) != 0) {
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taosMemoryFree(pReq);
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TAOS_RETURN(code);
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}
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TAOS_RETURN(code);
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}
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static int32_t mndBuildAlterMnodeTypeRedoAction(STrans *pTrans, SDAlterMnodeTypeReq *pAlterMnodeTypeReq,
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SEpSet *pAlterMnodeTypeEpSet) {
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int32_t code = 0;
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int32_t contLen = tSerializeSDCreateMnodeReq(NULL, 0, pAlterMnodeTypeReq);
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void *pReq = taosMemoryMalloc(contLen);
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tSerializeSDCreateMnodeReq(pReq, contLen, pAlterMnodeTypeReq);
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STransAction action = {
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.epSet = *pAlterMnodeTypeEpSet,
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.pCont = pReq,
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.contLen = contLen,
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.msgType = TDMT_DND_ALTER_MNODE_TYPE,
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.retryCode = TSDB_CODE_MNODE_NOT_CATCH_UP,
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.acceptableCode = TSDB_CODE_MNODE_ALREADY_IS_VOTER,
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};
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if ((code = mndTransAppendRedoAction(pTrans, &action)) != 0) {
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taosMemoryFree(pReq);
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TAOS_RETURN(code);
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}
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TAOS_RETURN(code);
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}
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static int32_t mndBuildAlterMnodeRedoAction(STrans *pTrans, SDCreateMnodeReq *pAlterReq, SEpSet *pAlterEpSet) {
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int32_t code = 0;
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int32_t contLen = tSerializeSDCreateMnodeReq(NULL, 0, pAlterReq);
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void *pReq = taosMemoryMalloc(contLen);
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tSerializeSDCreateMnodeReq(pReq, contLen, pAlterReq);
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STransAction action = {
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.epSet = *pAlterEpSet,
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.pCont = pReq,
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.contLen = contLen,
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.msgType = TDMT_MND_ALTER_MNODE,
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.acceptableCode = 0,
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};
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if ((code = mndTransAppendRedoAction(pTrans, &action)) != 0) {
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taosMemoryFree(pReq);
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TAOS_RETURN(code);
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}
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TAOS_RETURN(code);
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}
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static int32_t mndBuildDropMnodeRedoAction(STrans *pTrans, SDDropMnodeReq *pDropReq, SEpSet *pDroprEpSet) {
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int32_t code = 0;
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int32_t contLen = tSerializeSCreateDropMQSNodeReq(NULL, 0, pDropReq);
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void *pReq = taosMemoryMalloc(contLen);
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tSerializeSCreateDropMQSNodeReq(pReq, contLen, pDropReq);
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STransAction action = {
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.epSet = *pDroprEpSet,
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.pCont = pReq,
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.contLen = contLen,
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.msgType = TDMT_DND_DROP_MNODE,
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.acceptableCode = TSDB_CODE_MNODE_NOT_DEPLOYED,
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};
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if ((code = mndTransAppendRedoAction(pTrans, &action)) != 0) {
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taosMemoryFree(pReq);
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TAOS_RETURN(code);
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}
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TAOS_RETURN(code);
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}
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|
|
static int32_t mndSetCreateMnodeRedoActions(SMnode *pMnode, STrans *pTrans, SDnodeObj *pDnode, SMnodeObj *pObj) {
|
|
SSdb *pSdb = pMnode->pSdb;
|
|
void *pIter = NULL;
|
|
int32_t numOfReplicas = 0;
|
|
int32_t numOfLearnerReplicas = 0;
|
|
SDCreateMnodeReq createReq = {0};
|
|
SEpSet createEpset = {0};
|
|
|
|
while (1) {
|
|
SMnodeObj *pMObj = NULL;
|
|
pIter = sdbFetch(pSdb, SDB_MNODE, pIter, (void **)&pMObj);
|
|
if (pIter == NULL) break;
|
|
|
|
if (pMObj->role == TAOS_SYNC_ROLE_VOTER) {
|
|
createReq.replicas[numOfReplicas].id = pMObj->id;
|
|
createReq.replicas[numOfReplicas].port = pMObj->pDnode->port;
|
|
memcpy(createReq.replicas[numOfReplicas].fqdn, pMObj->pDnode->fqdn, TSDB_FQDN_LEN);
|
|
numOfReplicas++;
|
|
} else {
|
|
createReq.learnerReplicas[numOfLearnerReplicas].id = pMObj->id;
|
|
createReq.learnerReplicas[numOfLearnerReplicas].port = pMObj->pDnode->port;
|
|
memcpy(createReq.learnerReplicas[numOfLearnerReplicas].fqdn, pMObj->pDnode->fqdn, TSDB_FQDN_LEN);
|
|
numOfLearnerReplicas++;
|
|
}
|
|
|
|
sdbRelease(pSdb, pMObj);
|
|
}
|
|
|
|
createReq.replica = numOfReplicas;
|
|
createReq.learnerReplica = numOfLearnerReplicas + 1;
|
|
createReq.learnerReplicas[numOfLearnerReplicas].id = pDnode->id;
|
|
createReq.learnerReplicas[numOfLearnerReplicas].port = pDnode->port;
|
|
memcpy(createReq.learnerReplicas[numOfLearnerReplicas].fqdn, pDnode->fqdn, TSDB_FQDN_LEN);
|
|
|
|
createReq.lastIndex = pObj->lastIndex;
|
|
|
|
createEpset.inUse = 0;
|
|
createEpset.numOfEps = 1;
|
|
createEpset.eps[0].port = pDnode->port;
|
|
memcpy(createEpset.eps[0].fqdn, pDnode->fqdn, TSDB_FQDN_LEN);
|
|
|
|
TAOS_CHECK_RETURN(mndBuildCreateMnodeRedoAction(pTrans, &createReq, &createEpset));
|
|
|
|
TAOS_RETURN(0);
|
|
}
|
|
|
|
int32_t mndSetRestoreCreateMnodeRedoActions(SMnode *pMnode, STrans *pTrans, SDnodeObj *pDnode, SMnodeObj *pObj) {
|
|
SSdb *pSdb = pMnode->pSdb;
|
|
void *pIter = NULL;
|
|
SDCreateMnodeReq createReq = {0};
|
|
SEpSet createEpset = {0};
|
|
|
|
while (1) {
|
|
SMnodeObj *pMObj = NULL;
|
|
pIter = sdbFetch(pSdb, SDB_MNODE, pIter, (void **)&pMObj);
|
|
if (pIter == NULL) break;
|
|
|
|
if (pMObj->id == pDnode->id) {
|
|
sdbRelease(pSdb, pMObj);
|
|
continue;
|
|
}
|
|
|
|
if (pMObj->role == TAOS_SYNC_ROLE_VOTER) {
|
|
createReq.replicas[createReq.replica].id = pMObj->id;
|
|
createReq.replicas[createReq.replica].port = pMObj->pDnode->port;
|
|
memcpy(createReq.replicas[createReq.replica].fqdn, pMObj->pDnode->fqdn, TSDB_FQDN_LEN);
|
|
createReq.replica++;
|
|
} else {
|
|
createReq.learnerReplicas[createReq.learnerReplica].id = pMObj->id;
|
|
createReq.learnerReplicas[createReq.learnerReplica].port = pMObj->pDnode->port;
|
|
memcpy(createReq.learnerReplicas[createReq.learnerReplica].fqdn, pMObj->pDnode->fqdn, TSDB_FQDN_LEN);
|
|
createReq.learnerReplica++;
|
|
}
|
|
|
|
sdbRelease(pSdb, pMObj);
|
|
}
|
|
|
|
createReq.learnerReplicas[createReq.learnerReplica].id = pDnode->id;
|
|
createReq.learnerReplicas[createReq.learnerReplica].port = pDnode->port;
|
|
memcpy(createReq.learnerReplicas[createReq.learnerReplica].fqdn, pDnode->fqdn, TSDB_FQDN_LEN);
|
|
createReq.learnerReplica++;
|
|
|
|
createReq.lastIndex = pObj->lastIndex;
|
|
|
|
createEpset.inUse = 0;
|
|
createEpset.numOfEps = 1;
|
|
createEpset.eps[0].port = pDnode->port;
|
|
memcpy(createEpset.eps[0].fqdn, pDnode->fqdn, TSDB_FQDN_LEN);
|
|
|
|
TAOS_CHECK_RETURN(mndBuildCreateMnodeRedoAction(pTrans, &createReq, &createEpset));
|
|
|
|
TAOS_RETURN(0);
|
|
}
|
|
|
|
static int32_t mndSetAlterMnodeTypeRedoActions(SMnode *pMnode, STrans *pTrans, SDnodeObj *pDnode, SMnodeObj *pObj) {
|
|
SSdb *pSdb = pMnode->pSdb;
|
|
void *pIter = NULL;
|
|
SDAlterMnodeTypeReq alterReq = {0};
|
|
SEpSet createEpset = {0};
|
|
|
|
while (1) {
|
|
SMnodeObj *pMObj = NULL;
|
|
pIter = sdbFetch(pSdb, SDB_MNODE, pIter, (void **)&pMObj);
|
|
if (pIter == NULL) break;
|
|
|
|
if (pMObj->role == TAOS_SYNC_ROLE_VOTER) {
|
|
alterReq.replicas[alterReq.replica].id = pMObj->id;
|
|
alterReq.replicas[alterReq.replica].port = pMObj->pDnode->port;
|
|
memcpy(alterReq.replicas[alterReq.replica].fqdn, pMObj->pDnode->fqdn, TSDB_FQDN_LEN);
|
|
alterReq.replica++;
|
|
} else {
|
|
alterReq.learnerReplicas[alterReq.learnerReplica].id = pMObj->id;
|
|
alterReq.learnerReplicas[alterReq.learnerReplica].port = pMObj->pDnode->port;
|
|
memcpy(alterReq.learnerReplicas[alterReq.learnerReplica].fqdn, pMObj->pDnode->fqdn, TSDB_FQDN_LEN);
|
|
alterReq.learnerReplica++;
|
|
}
|
|
|
|
sdbRelease(pSdb, pMObj);
|
|
}
|
|
|
|
alterReq.replicas[alterReq.replica].id = pDnode->id;
|
|
alterReq.replicas[alterReq.replica].port = pDnode->port;
|
|
memcpy(alterReq.replicas[alterReq.replica].fqdn, pDnode->fqdn, TSDB_FQDN_LEN);
|
|
alterReq.replica++;
|
|
|
|
alterReq.lastIndex = pObj->lastIndex;
|
|
|
|
createEpset.inUse = 0;
|
|
createEpset.numOfEps = 1;
|
|
createEpset.eps[0].port = pDnode->port;
|
|
memcpy(createEpset.eps[0].fqdn, pDnode->fqdn, TSDB_FQDN_LEN);
|
|
|
|
TAOS_CHECK_RETURN(mndBuildAlterMnodeTypeRedoAction(pTrans, &alterReq, &createEpset));
|
|
|
|
TAOS_RETURN(0);
|
|
}
|
|
|
|
int32_t mndSetRestoreAlterMnodeTypeRedoActions(SMnode *pMnode, STrans *pTrans, SDnodeObj *pDnode, SMnodeObj *pObj) {
|
|
SSdb *pSdb = pMnode->pSdb;
|
|
void *pIter = NULL;
|
|
SDAlterMnodeTypeReq alterReq = {0};
|
|
SEpSet createEpset = {0};
|
|
|
|
while (1) {
|
|
SMnodeObj *pMObj = NULL;
|
|
pIter = sdbFetch(pSdb, SDB_MNODE, pIter, (void **)&pMObj);
|
|
if (pIter == NULL) break;
|
|
|
|
if (pMObj->id == pDnode->id) {
|
|
sdbRelease(pSdb, pMObj);
|
|
continue;
|
|
}
|
|
|
|
if (pMObj->role == TAOS_SYNC_ROLE_VOTER) {
|
|
alterReq.replicas[alterReq.replica].id = pMObj->id;
|
|
alterReq.replicas[alterReq.replica].port = pMObj->pDnode->port;
|
|
memcpy(alterReq.replicas[alterReq.replica].fqdn, pMObj->pDnode->fqdn, TSDB_FQDN_LEN);
|
|
alterReq.replica++;
|
|
} else {
|
|
alterReq.learnerReplicas[alterReq.learnerReplica].id = pMObj->id;
|
|
alterReq.learnerReplicas[alterReq.learnerReplica].port = pMObj->pDnode->port;
|
|
memcpy(alterReq.learnerReplicas[alterReq.learnerReplica].fqdn, pMObj->pDnode->fqdn, TSDB_FQDN_LEN);
|
|
alterReq.learnerReplica++;
|
|
}
|
|
|
|
sdbRelease(pSdb, pMObj);
|
|
}
|
|
|
|
alterReq.replicas[alterReq.replica].id = pDnode->id;
|
|
alterReq.replicas[alterReq.replica].port = pDnode->port;
|
|
memcpy(alterReq.replicas[alterReq.replica].fqdn, pDnode->fqdn, TSDB_FQDN_LEN);
|
|
alterReq.replica++;
|
|
|
|
alterReq.lastIndex = pObj->lastIndex;
|
|
|
|
createEpset.inUse = 0;
|
|
createEpset.numOfEps = 1;
|
|
createEpset.eps[0].port = pDnode->port;
|
|
memcpy(createEpset.eps[0].fqdn, pDnode->fqdn, TSDB_FQDN_LEN);
|
|
|
|
TAOS_CHECK_RETURN(mndBuildAlterMnodeTypeRedoAction(pTrans, &alterReq, &createEpset));
|
|
|
|
TAOS_RETURN(0);
|
|
}
|
|
|
|
static int32_t mndCreateMnode(SMnode *pMnode, SRpcMsg *pReq, SDnodeObj *pDnode, SMCreateMnodeReq *pCreate) {
|
|
int32_t code = -1;
|
|
|
|
STrans *pTrans = mndTransCreate(pMnode, TRN_POLICY_RETRY, TRN_CONFLICT_GLOBAL, pReq, "create-mnode");
|
|
if (pTrans == NULL) {
|
|
code = TSDB_CODE_MND_RETURN_VALUE_NULL;
|
|
if (terrno != 0) code = terrno;
|
|
goto _OVER;
|
|
}
|
|
mndTransSetSerial(pTrans);
|
|
mInfo("trans:%d, used to create mnode:%d", pTrans->id, pCreate->dnodeId);
|
|
TAOS_CHECK_GOTO(mndTransCheckConflict(pMnode, pTrans), NULL, _OVER);
|
|
|
|
SMnodeObj mnodeObj = {0};
|
|
mnodeObj.id = pDnode->id;
|
|
mnodeObj.createdTime = taosGetTimestampMs();
|
|
mnodeObj.updateTime = mnodeObj.createdTime;
|
|
mnodeObj.role = TAOS_SYNC_ROLE_LEARNER;
|
|
mnodeObj.lastIndex = pMnode->applied;
|
|
|
|
TAOS_CHECK_GOTO(mndSetCreateMnodeRedoActions(pMnode, pTrans, pDnode, &mnodeObj), NULL, _OVER);
|
|
TAOS_CHECK_GOTO(mndSetCreateMnodeRedoLogs(pMnode, pTrans, &mnodeObj), NULL, _OVER);
|
|
|
|
SMnodeObj mnodeLeaderObj = {0};
|
|
mnodeLeaderObj.id = pDnode->id;
|
|
mnodeLeaderObj.createdTime = taosGetTimestampMs();
|
|
mnodeLeaderObj.updateTime = mnodeLeaderObj.createdTime;
|
|
mnodeLeaderObj.role = TAOS_SYNC_ROLE_VOTER;
|
|
mnodeLeaderObj.lastIndex = pMnode->applied + 1;
|
|
|
|
TAOS_CHECK_GOTO(mndSetAlterMnodeTypeRedoActions(pMnode, pTrans, pDnode, &mnodeLeaderObj), NULL, _OVER);
|
|
TAOS_CHECK_GOTO(mndSetCreateMnodeCommitLogs(pMnode, pTrans, &mnodeLeaderObj), NULL, _OVER);
|
|
TAOS_CHECK_GOTO(mndTransPrepare(pMnode, pTrans), NULL, _OVER);
|
|
|
|
code = 0;
|
|
|
|
_OVER:
|
|
mndTransDrop(pTrans);
|
|
TAOS_RETURN(code);
|
|
}
|
|
|
|
static int32_t mndProcessCreateMnodeReq(SRpcMsg *pReq) {
|
|
SMnode *pMnode = pReq->info.node;
|
|
int32_t code = -1;
|
|
SMnodeObj *pObj = NULL;
|
|
SDnodeObj *pDnode = NULL;
|
|
SMCreateMnodeReq createReq = {0};
|
|
|
|
TAOS_CHECK_GOTO(tDeserializeSCreateDropMQSNodeReq(pReq->pCont, pReq->contLen, &createReq), NULL, _OVER);
|
|
|
|
mInfo("mnode:%d, start to create", createReq.dnodeId);
|
|
TAOS_CHECK_GOTO(mndCheckOperPrivilege(pMnode, pReq->info.conn.user, MND_OPER_CREATE_MNODE), NULL, _OVER);
|
|
|
|
pObj = mndAcquireMnode(pMnode, createReq.dnodeId);
|
|
if (pObj != NULL) {
|
|
code = TSDB_CODE_MND_MNODE_ALREADY_EXIST;
|
|
goto _OVER;
|
|
} else if (terrno != TSDB_CODE_MND_MNODE_NOT_EXIST) {
|
|
goto _OVER;
|
|
}
|
|
|
|
pDnode = mndAcquireDnode(pMnode, createReq.dnodeId);
|
|
if (pDnode == NULL) {
|
|
code = TSDB_CODE_MND_DNODE_NOT_EXIST;
|
|
goto _OVER;
|
|
}
|
|
|
|
if (sdbGetSize(pMnode->pSdb, SDB_MNODE) >= 3) {
|
|
code = TSDB_CODE_MND_TOO_MANY_MNODES;
|
|
goto _OVER;
|
|
}
|
|
|
|
if (!mndIsDnodeOnline(pDnode, taosGetTimestampMs())) {
|
|
code = TSDB_CODE_DNODE_OFFLINE;
|
|
goto _OVER;
|
|
}
|
|
|
|
code = mndCreateMnode(pMnode, pReq, pDnode, &createReq);
|
|
if (code == 0) code = TSDB_CODE_ACTION_IN_PROGRESS;
|
|
|
|
char obj[40] = {0};
|
|
sprintf(obj, "%d", createReq.dnodeId);
|
|
|
|
auditRecord(pReq, pMnode->clusterId, "createMnode", "", obj, createReq.sql, createReq.sqlLen);
|
|
|
|
_OVER:
|
|
if (code != 0 && code != TSDB_CODE_ACTION_IN_PROGRESS) {
|
|
mError("mnode:%d, failed to create since %s", createReq.dnodeId, terrstr());
|
|
}
|
|
|
|
mndReleaseMnode(pMnode, pObj);
|
|
mndReleaseDnode(pMnode, pDnode);
|
|
tFreeSMCreateQnodeReq(&createReq);
|
|
|
|
TAOS_RETURN(code);
|
|
}
|
|
|
|
static int32_t mndSetDropMnodeRedoLogs(SMnode *pMnode, STrans *pTrans, SMnodeObj *pObj) {
|
|
int32_t code = 0;
|
|
SSdbRaw *pRedoRaw = mndMnodeActionEncode(pObj);
|
|
if (pRedoRaw == NULL) {
|
|
code = TSDB_CODE_MND_RETURN_VALUE_NULL;
|
|
if (terrno != 0) code = terrno;
|
|
TAOS_RETURN(code);
|
|
}
|
|
TAOS_CHECK_RETURN(mndTransAppendRedolog(pTrans, pRedoRaw));
|
|
TAOS_CHECK_RETURN(sdbSetRawStatus(pRedoRaw, SDB_STATUS_DROPPING));
|
|
TAOS_RETURN(code);
|
|
}
|
|
|
|
static int32_t mndSetDropMnodeCommitLogs(SMnode *pMnode, STrans *pTrans, SMnodeObj *pObj) {
|
|
int32_t code = 0;
|
|
SSdbRaw *pCommitRaw = mndMnodeActionEncode(pObj);
|
|
if (pCommitRaw == NULL) {
|
|
code = TSDB_CODE_MND_RETURN_VALUE_NULL;
|
|
if (terrno != 0) code = terrno;
|
|
TAOS_RETURN(code);
|
|
}
|
|
TAOS_CHECK_RETURN(mndTransAppendCommitlog(pTrans, pCommitRaw));
|
|
TAOS_CHECK_RETURN(sdbSetRawStatus(pCommitRaw, SDB_STATUS_DROPPED));
|
|
TAOS_RETURN(code);
|
|
}
|
|
|
|
static int32_t mndSetDropMnodeRedoActions(SMnode *pMnode, STrans *pTrans, SDnodeObj *pDnode, SMnodeObj *pObj,
|
|
bool force) {
|
|
int32_t code = 0;
|
|
SSdb *pSdb = pMnode->pSdb;
|
|
void *pIter = NULL;
|
|
SDDropMnodeReq dropReq = {0};
|
|
SEpSet dropEpSet = {0};
|
|
|
|
dropReq.dnodeId = pDnode->id;
|
|
dropEpSet.numOfEps = 1;
|
|
dropEpSet.eps[0].port = pDnode->port;
|
|
memcpy(dropEpSet.eps[0].fqdn, pDnode->fqdn, TSDB_FQDN_LEN);
|
|
|
|
int32_t totalMnodes = sdbGetSize(pSdb, SDB_MNODE);
|
|
if (totalMnodes == 2) {
|
|
if (force) {
|
|
mError("cant't force drop dnode, since a mnode on it and replica is 2");
|
|
code = TSDB_CODE_MNODE_ONLY_TWO_MNODE;
|
|
TAOS_RETURN(code);
|
|
}
|
|
mInfo("vgId:1, has %d mnodes, exec redo log first", totalMnodes);
|
|
TAOS_CHECK_RETURN(mndSetDropMnodeRedoLogs(pMnode, pTrans, pObj));
|
|
if (!force) {
|
|
TAOS_CHECK_RETURN(mndBuildDropMnodeRedoAction(pTrans, &dropReq, &dropEpSet));
|
|
}
|
|
} else if (totalMnodes == 3) {
|
|
mInfo("vgId:1, has %d mnodes, exec redo action first", totalMnodes);
|
|
if (!force) {
|
|
TAOS_CHECK_RETURN(mndBuildDropMnodeRedoAction(pTrans, &dropReq, &dropEpSet));
|
|
}
|
|
TAOS_CHECK_RETURN(mndSetDropMnodeRedoLogs(pMnode, pTrans, pObj));
|
|
} else {
|
|
TAOS_RETURN(-1);
|
|
}
|
|
|
|
TAOS_RETURN(code);
|
|
}
|
|
|
|
int32_t mndSetDropMnodeInfoToTrans(SMnode *pMnode, STrans *pTrans, SMnodeObj *pObj, bool force) {
|
|
if (pObj == NULL) return 0;
|
|
pObj->lastIndex = pMnode->applied;
|
|
TAOS_CHECK_RETURN(mndSetDropMnodeRedoActions(pMnode, pTrans, pObj->pDnode, pObj, force));
|
|
TAOS_CHECK_RETURN(mndSetDropMnodeCommitLogs(pMnode, pTrans, pObj));
|
|
return 0;
|
|
}
|
|
|
|
static int32_t mndDropMnode(SMnode *pMnode, SRpcMsg *pReq, SMnodeObj *pObj) {
|
|
int32_t code = -1;
|
|
STrans *pTrans = NULL;
|
|
|
|
pTrans = mndTransCreate(pMnode, TRN_POLICY_RETRY, TRN_CONFLICT_GLOBAL, pReq, "drop-mnode");
|
|
if (pTrans == NULL) {
|
|
code = TSDB_CODE_MND_RETURN_VALUE_NULL;
|
|
if (terrno != 0) code = terrno;
|
|
goto _OVER;
|
|
}
|
|
mndTransSetSerial(pTrans);
|
|
mInfo("trans:%d, used to drop mnode:%d", pTrans->id, pObj->id);
|
|
TAOS_CHECK_GOTO(mndTransCheckConflict(pMnode, pTrans), NULL, _OVER);
|
|
|
|
TAOS_CHECK_GOTO(mndSetDropMnodeInfoToTrans(pMnode, pTrans, pObj, false), NULL, _OVER);
|
|
TAOS_CHECK_GOTO(mndTransPrepare(pMnode, pTrans), NULL, _OVER);
|
|
|
|
code = 0;
|
|
|
|
_OVER:
|
|
mndTransDrop(pTrans);
|
|
TAOS_RETURN(code);
|
|
}
|
|
|
|
static int32_t mndProcessDropMnodeReq(SRpcMsg *pReq) {
|
|
SMnode *pMnode = pReq->info.node;
|
|
int32_t code = -1;
|
|
SMnodeObj *pObj = NULL;
|
|
SMDropMnodeReq dropReq = {0};
|
|
|
|
TAOS_CHECK_GOTO(tDeserializeSCreateDropMQSNodeReq(pReq->pCont, pReq->contLen, &dropReq), NULL, _OVER);
|
|
|
|
mInfo("mnode:%d, start to drop", dropReq.dnodeId);
|
|
TAOS_CHECK_GOTO(mndCheckOperPrivilege(pMnode, pReq->info.conn.user, MND_OPER_DROP_MNODE), NULL, _OVER);
|
|
|
|
if (dropReq.dnodeId <= 0) {
|
|
code = TSDB_CODE_INVALID_MSG;
|
|
goto _OVER;
|
|
}
|
|
|
|
pObj = mndAcquireMnode(pMnode, dropReq.dnodeId);
|
|
if (pObj == NULL) {
|
|
code = TSDB_CODE_MND_RETURN_VALUE_NULL;
|
|
if (terrno != 0) code = terrno;
|
|
goto _OVER;
|
|
}
|
|
|
|
if (pMnode->selfDnodeId == dropReq.dnodeId) {
|
|
code = TSDB_CODE_MND_CANT_DROP_LEADER;
|
|
goto _OVER;
|
|
}
|
|
|
|
if (sdbGetSize(pMnode->pSdb, SDB_MNODE) <= 1) {
|
|
code = TSDB_CODE_MND_TOO_FEW_MNODES;
|
|
goto _OVER;
|
|
}
|
|
|
|
if (!mndIsDnodeOnline(pObj->pDnode, taosGetTimestampMs())) {
|
|
code = TSDB_CODE_DNODE_OFFLINE;
|
|
goto _OVER;
|
|
}
|
|
|
|
code = mndDropMnode(pMnode, pReq, pObj);
|
|
if (code == 0) code = TSDB_CODE_ACTION_IN_PROGRESS;
|
|
|
|
char obj[40] = {0};
|
|
sprintf(obj, "%d", dropReq.dnodeId);
|
|
|
|
auditRecord(pReq, pMnode->clusterId, "dropMnode", "", obj, dropReq.sql, dropReq.sqlLen);
|
|
|
|
_OVER:
|
|
if (code != 0 && code != TSDB_CODE_ACTION_IN_PROGRESS) {
|
|
mError("mnode:%d, failed to drop since %s", dropReq.dnodeId, terrstr());
|
|
}
|
|
|
|
mndReleaseMnode(pMnode, pObj);
|
|
tFreeSMCreateQnodeReq(&dropReq);
|
|
TAOS_RETURN(code);
|
|
}
|
|
|
|
static int32_t mndRetrieveMnodes(SRpcMsg *pReq, SShowObj *pShow, SSDataBlock *pBlock, int32_t rows) {
|
|
SMnode *pMnode = pReq->info.node;
|
|
SSdb *pSdb = pMnode->pSdb;
|
|
int32_t numOfRows = 0;
|
|
int32_t cols = 0;
|
|
SMnodeObj *pObj = NULL;
|
|
SMnodeObj *pSelfObj = NULL;
|
|
ESdbStatus objStatus = 0;
|
|
char *pWrite;
|
|
int64_t curMs = taosGetTimestampMs();
|
|
|
|
pSelfObj = sdbAcquire(pSdb, SDB_MNODE, &pMnode->selfDnodeId);
|
|
if (pSelfObj == NULL) {
|
|
mError("mnode:%d, failed to acquire self %s", pMnode->selfDnodeId, terrstr());
|
|
goto _out;
|
|
}
|
|
|
|
while (numOfRows < rows) {
|
|
pShow->pIter = sdbFetchAll(pSdb, SDB_MNODE, pShow->pIter, (void **)&pObj, &objStatus, true);
|
|
if (pShow->pIter == NULL) break;
|
|
|
|
cols = 0;
|
|
SColumnInfoData *pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
|
|
colDataSetVal(pColInfo, numOfRows, (const char *)&pObj->id, false);
|
|
|
|
char b1[TSDB_EP_LEN + VARSTR_HEADER_SIZE] = {0};
|
|
STR_WITH_MAXSIZE_TO_VARSTR(b1, pObj->pDnode->ep, TSDB_EP_LEN + VARSTR_HEADER_SIZE);
|
|
|
|
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
|
|
colDataSetVal(pColInfo, numOfRows, b1, false);
|
|
|
|
char role[20] = "offline";
|
|
if (pObj->id == pMnode->selfDnodeId) {
|
|
snprintf(role, sizeof(role), "%s%s", syncStr(TAOS_SYNC_STATE_LEADER), pMnode->restored ? "" : "*");
|
|
}
|
|
bool isDnodeOnline = mndIsDnodeOnline(pObj->pDnode, curMs);
|
|
if (isDnodeOnline) {
|
|
tstrncpy(role, syncStr(pObj->syncState), sizeof(role));
|
|
if (pObj->syncState == TAOS_SYNC_STATE_LEADER && pObj->id != pMnode->selfDnodeId) {
|
|
tstrncpy(role, syncStr(TAOS_SYNC_STATE_ERROR), sizeof(role));
|
|
mError("mnode:%d, is leader too", pObj->id);
|
|
}
|
|
}
|
|
char b2[12 + VARSTR_HEADER_SIZE] = {0};
|
|
STR_WITH_MAXSIZE_TO_VARSTR(b2, role, pShow->pMeta->pSchemas[cols].bytes);
|
|
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
|
|
colDataSetVal(pColInfo, numOfRows, (const char *)b2, false);
|
|
|
|
const char *status = "ready";
|
|
if (objStatus == SDB_STATUS_CREATING) status = "creating";
|
|
if (objStatus == SDB_STATUS_DROPPING) status = "dropping";
|
|
if (!isDnodeOnline) status = "offline";
|
|
char b3[9 + VARSTR_HEADER_SIZE] = {0};
|
|
STR_WITH_MAXSIZE_TO_VARSTR(b3, status, pShow->pMeta->pSchemas[cols].bytes);
|
|
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
|
|
colDataSetVal(pColInfo, numOfRows, (const char *)b3, false);
|
|
|
|
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
|
|
colDataSetVal(pColInfo, numOfRows, (const char *)&pObj->createdTime, false);
|
|
|
|
int64_t roleTimeMs = (isDnodeOnline) ? pObj->roleTimeMs : 0;
|
|
pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
|
|
colDataSetVal(pColInfo, numOfRows, (const char *)&roleTimeMs, false);
|
|
|
|
numOfRows++;
|
|
sdbRelease(pSdb, pObj);
|
|
}
|
|
|
|
pShow->numOfRows += numOfRows;
|
|
|
|
_out:
|
|
sdbRelease(pSdb, pSelfObj);
|
|
return numOfRows;
|
|
}
|
|
|
|
static void mndCancelGetNextMnode(SMnode *pMnode, void *pIter) {
|
|
SSdb *pSdb = pMnode->pSdb;
|
|
sdbCancelFetch(pSdb, pIter);
|
|
}
|
|
|
|
static int32_t mndProcessAlterMnodeReq(SRpcMsg *pReq) {
|
|
#if 1
|
|
return 0;
|
|
#else
|
|
int32_t code = 0;
|
|
SMnode *pMnode = pReq->info.node;
|
|
SDAlterMnodeReq alterReq = {0};
|
|
|
|
TAOS_CHECK_RETURN(tDeserializeSDCreateMnodeReq(pReq->pCont, pReq->contLen, &alterReq));
|
|
|
|
SMnodeOpt option = {.deploy = true, .numOfReplicas = alterReq.replica, .selfIndex = -1};
|
|
memcpy(option.replicas, alterReq.replicas, sizeof(alterReq.replicas));
|
|
for (int32_t i = 0; i < option.numOfReplicas; ++i) {
|
|
if (alterReq.replicas[i].id == pMnode->selfDnodeId) {
|
|
option.selfIndex = i;
|
|
}
|
|
}
|
|
|
|
if (option.selfIndex == -1) {
|
|
mInfo("alter mnode not processed since selfIndex is -1", terrstr());
|
|
return 0;
|
|
}
|
|
|
|
if ((code = mndWriteFile(pMnode->path, &option)) != 0) {
|
|
mError("failed to write mnode file since %s", terrstr());
|
|
TAOS_RETURN(code);
|
|
}
|
|
|
|
SSyncCfg cfg = {.replicaNum = alterReq.replica, .myIndex = -1};
|
|
for (int32_t i = 0; i < alterReq.replica; ++i) {
|
|
SNodeInfo *pNode = &cfg.nodeInfo[i];
|
|
tstrncpy(pNode->nodeFqdn, alterReq.replicas[i].fqdn, sizeof(pNode->nodeFqdn));
|
|
pNode->nodePort = alterReq.replicas[i].port;
|
|
if (alterReq.replicas[i].id == pMnode->selfDnodeId) {
|
|
cfg.myIndex = i;
|
|
}
|
|
}
|
|
|
|
if (cfg.myIndex == -1) {
|
|
mError("failed to alter mnode since myindex is -1");
|
|
return -1;
|
|
} else {
|
|
mInfo("start to alter mnode sync, replica:%d myIndex:%d", cfg.replicaNum, cfg.myIndex);
|
|
for (int32_t i = 0; i < alterReq.replica; ++i) {
|
|
SNodeInfo *pNode = &cfg.nodeInfo[i];
|
|
mInfo("index:%d, fqdn:%s port:%d", i, pNode->nodeFqdn, pNode->nodePort);
|
|
}
|
|
}
|
|
|
|
code = syncReconfig(pMnode->syncMgmt.sync, &cfg);
|
|
if (code != 0) {
|
|
mError("failed to sync reconfig since %s", terrstr());
|
|
} else {
|
|
mInfo("alter mnode sync success");
|
|
}
|
|
|
|
TAOS_RETURN(code);
|
|
#endif
|
|
}
|
|
|
|
static void mndReloadSyncConfig(SMnode *pMnode) {
|
|
SSdb *pSdb = pMnode->pSdb;
|
|
SMnodeObj *pObj = NULL;
|
|
ESdbStatus objStatus = 0;
|
|
void *pIter = NULL;
|
|
int32_t updatingMnodes = 0;
|
|
int32_t readyMnodes = 0;
|
|
SSyncCfg cfg = {
|
|
.myIndex = -1,
|
|
.lastIndex = 0,
|
|
};
|
|
SyncIndex maxIndex = 0;
|
|
|
|
while (1) {
|
|
pIter = sdbFetchAll(pSdb, SDB_MNODE, pIter, (void **)&pObj, &objStatus, false);
|
|
if (pIter == NULL) break;
|
|
if (objStatus == SDB_STATUS_CREATING || objStatus == SDB_STATUS_DROPPING) {
|
|
mInfo("vgId:1, has updating mnode:%d, status:%s", pObj->id, sdbStatusName(objStatus));
|
|
updatingMnodes++;
|
|
}
|
|
if (objStatus == SDB_STATUS_READY) {
|
|
mInfo("vgId:1, has ready mnode:%d, status:%s", pObj->id, sdbStatusName(objStatus));
|
|
readyMnodes++;
|
|
}
|
|
|
|
if (objStatus == SDB_STATUS_READY || objStatus == SDB_STATUS_CREATING) {
|
|
SNodeInfo *pNode = &cfg.nodeInfo[cfg.totalReplicaNum];
|
|
pNode->nodeId = pObj->pDnode->id;
|
|
pNode->clusterId = mndGetClusterId(pMnode);
|
|
pNode->nodePort = pObj->pDnode->port;
|
|
pNode->nodeRole = pObj->role;
|
|
tstrncpy(pNode->nodeFqdn, pObj->pDnode->fqdn, TSDB_FQDN_LEN);
|
|
(void)tmsgUpdateDnodeInfo(&pNode->nodeId, &pNode->clusterId, pNode->nodeFqdn, &pNode->nodePort);
|
|
mInfo("vgId:1, ep:%s:%u dnode:%d", pNode->nodeFqdn, pNode->nodePort, pNode->nodeId);
|
|
if (pObj->pDnode->id == pMnode->selfDnodeId) {
|
|
cfg.myIndex = cfg.totalReplicaNum;
|
|
}
|
|
if (pNode->nodeRole == TAOS_SYNC_ROLE_VOTER) {
|
|
cfg.replicaNum++;
|
|
}
|
|
cfg.totalReplicaNum++;
|
|
if (pObj->lastIndex > cfg.lastIndex) {
|
|
cfg.lastIndex = pObj->lastIndex;
|
|
}
|
|
}
|
|
|
|
if (objStatus == SDB_STATUS_DROPPING) {
|
|
if (pObj->lastIndex > cfg.lastIndex) {
|
|
cfg.lastIndex = pObj->lastIndex;
|
|
}
|
|
}
|
|
|
|
mInfo("vgId:1, mnode:%d, role:%d, lastIndex:%" PRId64, pObj->id, pObj->role, pObj->lastIndex);
|
|
|
|
sdbReleaseLock(pSdb, pObj, false);
|
|
}
|
|
|
|
// if (readyMnodes <= 0 || updatingMnodes <= 0) {
|
|
// mInfo("vgId:1, mnode sync not reconfig since readyMnodes:%d updatingMnodes:%d", readyMnodes, updatingMnodes);
|
|
// return;
|
|
// }
|
|
|
|
if (cfg.myIndex == -1) {
|
|
#if 1
|
|
mInfo("vgId:1, mnode sync not reconfig since selfIndex is -1");
|
|
#else
|
|
// cannot reconfig because the leader may fail to elect after reboot
|
|
mInfo("vgId:1, mnode sync not reconfig since selfIndex is -1, do sync stop oper");
|
|
syncStop(pMnode->syncMgmt.sync);
|
|
#endif
|
|
return;
|
|
}
|
|
|
|
if (pMnode->syncMgmt.sync > 0) {
|
|
mInfo("vgId:1, mnode sync reconfig, totalReplica:%d replica:%d myIndex:%d", cfg.totalReplicaNum, cfg.replicaNum,
|
|
cfg.myIndex);
|
|
|
|
for (int32_t i = 0; i < cfg.totalReplicaNum; ++i) {
|
|
SNodeInfo *pNode = &cfg.nodeInfo[i];
|
|
mInfo("vgId:1, index:%d, ep:%s:%u dnode:%d cluster:%" PRId64 " role:%d", i, pNode->nodeFqdn, pNode->nodePort,
|
|
pNode->nodeId, pNode->clusterId, pNode->nodeRole);
|
|
}
|
|
|
|
int32_t code = syncReconfig(pMnode->syncMgmt.sync, &cfg);
|
|
if (code != 0) {
|
|
mError("vgId:1, mnode sync reconfig failed since %s", terrstr());
|
|
} else {
|
|
mInfo("vgId:1, mnode sync reconfig success");
|
|
}
|
|
}
|
|
}
|