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feat: redistribute vgroup to dnodes

This commit is contained in:
Shengliang Guan 2022-06-10 15:39:11 +08:00
parent 61d8644f39
commit f30d9a034e
8 changed files with 270 additions and 55 deletions
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3
include/util/taoserror.h
View File

@ -85,7 +85,6 @@ int32_t* taosGetErrno();
#define TSDB_CODE_RPC_NETWORK_UNAVAIL TAOS_DEF_ERROR_CODE(0, 0x0102)
#define TSDB_CODE_RPC_FQDN_ERROR TAOS_DEF_ERROR_CODE(0, 0x0103)
#define TSDB_CODE_RPC_PORT_EADDRINUSE TAOS_DEF_ERROR_CODE(0, 0x0104)
#define TSDB_CODE_RPC_INDIRECT_NETWORK_UNAVAIL TAOS_DEF_ERROR_CODE(0, 0x0105)
//client
#define TSDB_CODE_TSC_INVALID_OPERATION TAOS_DEF_ERROR_CODE(0, 0x0200)
@ -220,6 +219,7 @@ int32_t* taosGetErrno();
#define TSDB_CODE_MND_VGROUP_ALREADY_IN_DNODE TAOS_DEF_ERROR_CODE(0, 0x0392)
#define TSDB_CODE_MND_VGROUP_UN_CHANGED TAOS_DEF_ERROR_CODE(0, 0x0393)
#define TSDB_CODE_MND_HAS_OFFLINE_DNODE TAOS_DEF_ERROR_CODE(0, 0x0394)
#define TSDB_CODE_MND_INVALID_REPLICA TAOS_DEF_ERROR_CODE(0, 0x0395)
// mnode-stable
#define TSDB_CODE_MND_STB_ALREADY_EXIST TAOS_DEF_ERROR_CODE(0, 0x03A0)
@ -260,6 +260,7 @@ int32_t* taosGetErrno();
#define TSDB_CODE_MND_TRANS_CONFLICT TAOS_DEF_ERROR_CODE(0, 0x03D3)
#define TSDB_CODE_MND_TRANS_UNKNOW_ERROR TAOS_DEF_ERROR_CODE(0, 0x03D4)
#define TSDB_CODE_MND_TRANS_CLOG_IS_NULL TAOS_DEF_ERROR_CODE(0, 0x03D5)
#define TSDB_CODE_MND_TRANS_NETWORK_UNAVAILL TAOS_DEF_ERROR_CODE(0, 0x03D6)
// mnode-mq
#define TSDB_CODE_MND_TOPIC_ALREADY_EXIST TAOS_DEF_ERROR_CODE(0, 0x03E0)

3
source/dnode/mgmt/mgmt_mnode/src/mmHandle.c
View File

@ -170,6 +170,9 @@ SArray *mmGetMsgHandles() {
if (dmSetMgmtHandle(pArray, TDMT_MND_COMPACT_DB, mmPutNodeMsgToWriteQueue, 0) == NULL) goto _OVER;
if (dmSetMgmtHandle(pArray, TDMT_MND_GET_DB_CFG, mmPutNodeMsgToReadQueue, 0) == NULL) goto _OVER;
if (dmSetMgmtHandle(pArray, TDMT_MND_VGROUP_LIST, mmPutNodeMsgToReadQueue, 0) == NULL) goto _OVER;
if (dmSetMgmtHandle(pArray, TDMT_MND_REDISTRIBUTE_VGROUP, mmPutNodeMsgToWriteQueue, 0) == NULL) goto _OVER;
if (dmSetMgmtHandle(pArray, TDMT_MND_MERGE_VGROUP, mmPutNodeMsgToWriteQueue, 0) == NULL) goto _OVER;
if (dmSetMgmtHandle(pArray, TDMT_MND_BALANCE_VGROUP, mmPutNodeMsgToWriteQueue, 0) == NULL) goto _OVER;
if (dmSetMgmtHandle(pArray, TDMT_MND_CREATE_FUNC, mmPutNodeMsgToWriteQueue, 0) == NULL) goto _OVER;
if (dmSetMgmtHandle(pArray, TDMT_MND_RETRIEVE_FUNC, mmPutNodeMsgToWriteQueue, 0) == NULL) goto _OVER;
if (dmSetMgmtHandle(pArray, TDMT_MND_DROP_FUNC, mmPutNodeMsgToWriteQueue, 0) == NULL) goto _OVER;

4
source/dnode/mnode/impl/src/mndMain.c
View File

@ -217,8 +217,8 @@ static int32_t mndInitSteps(SMnode *pMnode) {
if (mndAllocStep(pMnode, "mnode-cluster", mndInitCluster, mndCleanupCluster) != 0) return -1;
if (mndAllocStep(pMnode, "mnode-mnode", mndInitMnode, mndCleanupMnode) != 0) return -1;
if (mndAllocStep(pMnode, "mnode-qnode", mndInitQnode, mndCleanupQnode) != 0) return -1;
if (mndAllocStep(pMnode, "mnode-qnode", mndInitSnode, mndCleanupSnode) != 0) return -1;
if (mndAllocStep(pMnode, "mnode-qnode", mndInitBnode, mndCleanupBnode) != 0) return -1;
if (mndAllocStep(pMnode, "mnode-snode", mndInitSnode, mndCleanupSnode) != 0) return -1;
if (mndAllocStep(pMnode, "mnode-bnode", mndInitBnode, mndCleanupBnode) != 0) return -1;
if (mndAllocStep(pMnode, "mnode-dnode", mndInitDnode, mndCleanupDnode) != 0) return -1;
if (mndAllocStep(pMnode, "mnode-user", mndInitUser, mndCleanupUser) != 0) return -1;
if (mndAllocStep(pMnode, "mnode-grant", mndInitGrant, mndCleanupGrant) != 0) return -1;

4
source/dnode/mnode/impl/src/mndTrans.c
View File

@ -781,7 +781,7 @@ static void mndTransSendRpcRsp(SMnode *pMnode, STrans *pTrans) {
sendRsp = true;
}
} else {
if (pTrans->stage == TRN_STAGE_REDO_ACTION && pTrans->failedTimes > 3) {
if (pTrans->stage == TRN_STAGE_REDO_ACTION && pTrans->failedTimes > 2) {
if (code == 0) code = TSDB_CODE_MND_TRANS_UNKNOW_ERROR;
sendRsp = true;
}
@ -791,7 +791,7 @@ static void mndTransSendRpcRsp(SMnode *pMnode, STrans *pTrans) {
mDebug("trans:%d, send rsp, code:0x%x stage:%s app:%p", pTrans->id, code, mndTransStr(pTrans->stage),
pTrans->rpcInfo.ahandle);
if (code == TSDB_CODE_RPC_NETWORK_UNAVAIL) {
code = TSDB_CODE_RPC_INDIRECT_NETWORK_UNAVAIL;
code = TSDB_CODE_MND_TRANS_NETWORK_UNAVAILL;
}
SRpcMsg rspMsg = {.code = code, .info = pTrans->rpcInfo};

142
source/dnode/mnode/impl/src/mndVgroup.c
View File

@ -59,6 +59,10 @@ int32_t mndInitVgroup(SMnode *pMnode) {
mndSetMsgHandle(pMnode, TDMT_DND_DROP_VNODE_RSP, mndTransProcessRsp);
mndSetMsgHandle(pMnode, TDMT_VND_COMPACT_RSP, mndTransProcessRsp);
mndSetMsgHandle(pMnode, TDMT_MND_REDISTRIBUTE_VGROUP, mndProcessRedistributeVgroupMsg);
mndSetMsgHandle(pMnode, TDMT_MND_MERGE_VGROUP, mndProcessSplitVgroupMsg);
mndSetMsgHandle(pMnode, TDMT_MND_BALANCE_VGROUP, mndProcessBalanceVgroupMsg);
mndAddShowRetrieveHandle(pMnode, TSDB_MGMT_TABLE_VGROUP, mndRetrieveVgroups);
mndAddShowFreeIterHandle(pMnode, TSDB_MGMT_TABLE_VGROUP, mndCancelGetNextVgroup);
mndAddShowRetrieveHandle(pMnode, TSDB_MGMT_TABLE_VNODES, mndRetrieveVnodes);
@ -1009,10 +1013,10 @@ static int32_t mndAddDecVgroupReplicaFromTrans(SMnode *pMnode, STrans *pTrans, S
if (pGid == NULL) return 0;
pVgroup->replica--;
memcpy(&delGid, pGid, sizeof(SVnodeGid));
memcpy(pGid, &pVgroup->vnodeGid[pVgroup->replica], sizeof(SVnodeGid));
memset(&pVgroup->vnodeGid[pVgroup->replica], 0, sizeof(SVnodeGid));
pVgroup->replica--;
if (mndAddAlterVnodeAction(pMnode, pTrans, pDb, pVgroup, TDMT_VND_ALTER_REPLICA) != 0) return -1;
if (mndAddDropVnodeAction(pMnode, pTrans, pDb, pVgroup, &delGid, true) != 0) return -1;
@ -1040,11 +1044,36 @@ static int32_t mndRedistributeVgroup(SMnode *pMnode, SRpcMsg *pReq, SDbObj *pDb,
mInfo("vgId:%d, vnode:%d dnode:%d", newVg.vgId, i, newVg.vnodeGid[i].dnodeId);
}
if (mndAddIncVgroupReplicaToTrans(pMnode, pTrans, pDb, &newVg, pNew1->id) != 0) goto _OVER;
if (mndAddDecVgroupReplicaFromTrans(pMnode, pTrans, pDb, &newVg, pOld1->id) != 0) goto _OVER;
if (pNew2 != NULL) {
if (pNew1 != pOld1) {
int32_t numOfVnodes = mndGetVnodesNum(pMnode, pNew1->id);
if (numOfVnodes >= pNew1->numOfSupportVnodes) {
mError("vgId:%d, no enough vnodes in dnode:%d, numOfVnodes:%d support:%d", newVg.vgId, pNew1->id, numOfVnodes,
pNew1->numOfSupportVnodes);
terrno = TSDB_CODE_MND_NO_ENOUGH_DNODES;
goto _OVER;
}
if (mndAddIncVgroupReplicaToTrans(pMnode, pTrans, pDb, &newVg, pNew1->id) != 0) goto _OVER;
if (mndAddDecVgroupReplicaFromTrans(pMnode, pTrans, pDb, &newVg, pOld1->id) != 0) goto _OVER;
}
if (pNew2 != pOld2) {
int32_t numOfVnodes = mndGetVnodesNum(pMnode, pNew2->id);
if (numOfVnodes >= pNew2->numOfSupportVnodes) {
mError("vgId:%d, no enough vnodes in dnode:%d, numOfVnodes:%d support:%d", newVg.vgId, pNew2->id, numOfVnodes,
pNew2->numOfSupportVnodes);
terrno = TSDB_CODE_MND_NO_ENOUGH_DNODES;
goto _OVER;
}
if (mndAddIncVgroupReplicaToTrans(pMnode, pTrans, pDb, &newVg, pNew2->id) != 0) goto _OVER;
if (mndAddDecVgroupReplicaFromTrans(pMnode, pTrans, pDb, &newVg, pOld2->id) != 0) goto _OVER;
}
if (pNew3 != pOld3) {
int32_t numOfVnodes = mndGetVnodesNum(pMnode, pNew3->id);
if (numOfVnodes >= pNew3->numOfSupportVnodes) {
mError("vgId:%d, no enough vnodes in dnode:%d, numOfVnodes:%d support:%d", newVg.vgId, pNew3->id, numOfVnodes,
pNew3->numOfSupportVnodes);
terrno = TSDB_CODE_MND_NO_ENOUGH_DNODES;
goto _OVER;
}
if (mndAddIncVgroupReplicaToTrans(pMnode, pTrans, pDb, &newVg, pNew3->id) != 0) goto _OVER;
if (mndAddDecVgroupReplicaFromTrans(pMnode, pTrans, pDb, &newVg, pOld3->id) != 0) goto _OVER;
}
@ -1070,88 +1099,105 @@ _OVER:
}
static int32_t mndProcessRedistributeVgroupMsg(SRpcMsg *pReq) {
SMnode *pMnode = pReq->info.node;
SUserObj *pUser = NULL;
SDnodeObj *pNew1 = NULL;
SDnodeObj *pNew2 = NULL;
SDnodeObj *pNew3 = NULL;
SDnodeObj *pOld1 = NULL;
SDnodeObj *pOld2 = NULL;
SDnodeObj *pOld3 = NULL;
SVgObj *pVgroup = NULL;
SDbObj *pDb = NULL;
int32_t code = -1;
int64_t curMs = taosGetTimestampMs();
SMDropMnodeReq redReq = {0};
SMnode *pMnode = pReq->info.node;
SUserObj *pUser = NULL;
SDnodeObj *pNew1 = NULL;
SDnodeObj *pNew2 = NULL;
SDnodeObj *pNew3 = NULL;
SDnodeObj *pOld1 = NULL;
SDnodeObj *pOld2 = NULL;
SDnodeObj *pOld3 = NULL;
SVgObj *pVgroup = NULL;
SDbObj *pDb = NULL;
int32_t code = -1;
int64_t curMs = taosGetTimestampMs();
#if 0
if (tDeserializeSCreateDropMQSBNodeReq(pReq->pCont, pReq->contLen, &dropReq) != 0) {
SRedistributeVgroupReq redReq = {0};
if (tDeserializeSRedistributeVgroupReq(pReq->pCont, pReq->contLen, &redReq) != 0) {
terrno = TSDB_CODE_INVALID_MSG;
goto _OVER;
}
#endif
mDebug("vgId:%d, start to redistribute", 2);
mInfo("vgId:%d, start to redistribute to dnode %d:%d:%d", redReq.vgId, redReq.dnodeId1, redReq.dnodeId2,
redReq.dnodeId3);
pUser = mndAcquireUser(pMnode, pReq->conn.user);
if (pUser == NULL) {
terrno = TSDB_CODE_MND_NO_USER_FROM_CONN;
goto _OVER;
}
if (mndCheckNodeAuth(pUser) != 0) {
goto _OVER;
}
if (mndCheckNodeAuth(pUser) != 0) goto _OVER;
pVgroup = mndAcquireVgroup(pMnode, 2);
pVgroup = mndAcquireVgroup(pMnode, redReq.vgId);
if (pVgroup == NULL) goto _OVER;
pDb = mndAcquireDb(pMnode, pVgroup->dbName);
if (pDb == NULL) goto _OVER;
if (pVgroup->replica == 1) {
pNew1 = mndAcquireDnode(pMnode, 1);
if (redReq.dnodeId2 != -1 || redReq.dnodeId3 != -1) {
terrno = TSDB_CODE_MND_INVALID_REPLICA;
goto _OVER;
}
pNew1 = mndAcquireDnode(pMnode, redReq.dnodeId1);
pOld1 = mndAcquireDnode(pMnode, pVgroup->vnodeGid[0].dnodeId);
if (pNew1 == NULL || pOld1 == NULL) goto _OVER;
if (!mndIsDnodeOnline(pNew1, curMs) || !mndIsDnodeOnline(pOld1, curMs)) {
terrno = TSDB_CODE_NODE_OFFLINE;
if (pNew1 == NULL || pOld1 == NULL) {
terrno = TSDB_CODE_MND_DNODE_NOT_EXIST;
goto _OVER;
}
if (pNew1 == pOld1) {
terrno = TSDB_CODE_MND_VGROUP_UN_CHANGED;
goto _OVER;
}
if (mndRedistributeVgroup(pMnode, pReq, pDb, pVgroup, pNew1, pOld1, NULL, NULL, NULL, NULL) != 0) goto _OVER;
}
if (pVgroup->replica == 3) {
pNew1 = mndAcquireDnode(pMnode, 1);
pNew2 = mndAcquireDnode(pMnode, 2);
pNew3 = mndAcquireDnode(pMnode, 3);
if (!mndIsDnodeOnline(pNew1, curMs) || !mndIsDnodeOnline(pOld1, curMs)) {
terrno = TSDB_CODE_MND_HAS_OFFLINE_DNODE;
goto _OVER;
}
code = mndRedistributeVgroup(pMnode, pReq, pDb, pVgroup, pNew1, pOld1, NULL, NULL, NULL, NULL);
} else if (pVgroup->replica == 3) {
if (redReq.dnodeId2 == -1 || redReq.dnodeId3 == -1) {
terrno = TSDB_CODE_MND_INVALID_REPLICA;
goto _OVER;
}
pNew1 = mndAcquireDnode(pMnode, redReq.dnodeId1);
pNew2 = mndAcquireDnode(pMnode, redReq.dnodeId2);
pNew3 = mndAcquireDnode(pMnode, redReq.dnodeId3);
pOld1 = mndAcquireDnode(pMnode, pVgroup->vnodeGid[0].dnodeId);
pOld2 = mndAcquireDnode(pMnode, pVgroup->vnodeGid[1].dnodeId);
pOld3 = mndAcquireDnode(pMnode, pVgroup->vnodeGid[2].dnodeId);
if (pNew1 == NULL || pOld1 == NULL || pNew2 == NULL || pOld2 == NULL || pNew3 == NULL || pOld3 == NULL) goto _OVER;
if (!mndIsDnodeOnline(pNew1, curMs) || !mndIsDnodeOnline(pOld1, curMs) || !mndIsDnodeOnline(pNew2, curMs) ||
!mndIsDnodeOnline(pOld2, curMs) || !mndIsDnodeOnline(pNew3, curMs) || !mndIsDnodeOnline(pOld3, curMs)) {
terrno = TSDB_CODE_NODE_OFFLINE;
if (pNew1 == NULL || pOld1 == NULL || pNew2 == NULL || pOld2 == NULL || pNew3 == NULL || pOld3 == NULL) {
terrno = TSDB_CODE_MND_DNODE_NOT_EXIST;
goto _OVER;
}
bool changed = true;
if (pNew1 != pOld1 || pNew1 != pOld2 || pNew1 != pOld3) changed = true;
if (pNew2 != pOld1 || pNew2 != pOld2 || pNew2 != pOld3) changed = true;
if (pNew3 != pOld1 || pNew3 != pOld2 || pNew3 != pOld3) changed = true;
if (pNew1 == pNew2 || pNew1 == pNew3 || pNew2 == pNew3) {
terrno = TSDB_CODE_MND_INVALID_REPLICA;
goto _OVER;
}
bool changed = false;
if (pNew1 != pOld1 && pNew1 != pOld2 && pNew1 != pOld3) changed = true;
if (pNew2 != pOld1 && pNew2 != pOld2 && pNew2 != pOld3) changed = true;
if (pNew3 != pOld1 && pNew3 != pOld2 && pNew3 != pOld3) changed = true;
if (!changed) {
terrno = TSDB_CODE_MND_VGROUP_UN_CHANGED;
goto _OVER;
}
if (mndRedistributeVgroup(pMnode, pReq, pDb, pVgroup, pNew1, pOld1, pNew2, pOld2, pNew3, pOld3) != 0) goto _OVER;
if (!mndIsDnodeOnline(pNew1, curMs) || !mndIsDnodeOnline(pOld1, curMs) || !mndIsDnodeOnline(pNew2, curMs) ||
!mndIsDnodeOnline(pOld2, curMs) || !mndIsDnodeOnline(pNew3, curMs) || !mndIsDnodeOnline(pOld3, curMs)) {
terrno = TSDB_CODE_MND_HAS_OFFLINE_DNODE;
goto _OVER;
}
code = mndRedistributeVgroup(pMnode, pReq, pDb, pVgroup, pNew1, pOld1, pNew2, pOld2, pNew3, pOld3);
} else {
terrno = TSDB_CODE_MND_INVALID_REPLICA;
goto _OVER;
}
if (code == 0) code = TSDB_CODE_ACTION_IN_PROGRESS;
_OVER:
if (code != 0 && code != TSDB_CODE_ACTION_IN_PROGRESS) {
mDebug("vgId:%d, failed to redistribute since %s", 1, terrstr());
mError("vgId:%d, failed to redistribute to dnode %d %d %d since %s", redReq.vgId, redReq.dnodeId1, redReq.dnodeId2,
redReq.dnodeId3, terrstr());
}
mndReleaseDnode(pMnode, pNew1);
@ -1303,9 +1349,7 @@ static int32_t mndProcessSplitVgroupMsg(SRpcMsg *pReq) {
goto _OVER;
}
if (mndCheckNodeAuth(pUser) != 0) {
goto _OVER;
}
if (mndCheckNodeAuth(pUser) != 0) goto _OVER;
code = mndSplitVgroup(pMnode, pReq, pDb, pVgroup);
if (code == 0) code = TSDB_CODE_ACTION_IN_PROGRESS;

1
source/dnode/vnode/src/vnd/vnodeSync.c
View File

@ -187,6 +187,7 @@ static void vnodeSyncReconfig(struct SSyncFSM *pFsm, SSyncCfg newCfg, SReConfigC
// todo rpc response here
// build rpc msg
// put into apply queue
vnodePostBlockMsg(pVnode, TDMT_VND_ALTER_REPLICA);
}
static void vnodeSyncCommitMsg(SSyncFSM *pFsm, const SRpcMsg *pMsg, SFsmCbMeta cbMeta) {

3
source/util/src/terror.c
View File

@ -90,7 +90,6 @@ TAOS_DEFINE_ERROR(TSDB_CODE_RPC_AUTH_FAILURE, "Authentication failur
TAOS_DEFINE_ERROR(TSDB_CODE_RPC_NETWORK_UNAVAIL, "Unable to establish connection")
TAOS_DEFINE_ERROR(TSDB_CODE_RPC_FQDN_ERROR, "Unable to resolve FQDN")
TAOS_DEFINE_ERROR(TSDB_CODE_RPC_PORT_EADDRINUSE, "Port already in use")
TAOS_DEFINE_ERROR(TSDB_CODE_RPC_INDIRECT_NETWORK_UNAVAIL, "Unable to establish connection")
//client
TAOS_DEFINE_ERROR(TSDB_CODE_TSC_INVALID_OPERATION, "Invalid operation")
@ -225,6 +224,7 @@ TAOS_DEFINE_ERROR(TSDB_CODE_MND_VGROUP_NOT_IN_DNODE, "Vgroup not in dnode")
TAOS_DEFINE_ERROR(TSDB_CODE_MND_VGROUP_NOT_EXIST, "Vgroup does not exist")
TAOS_DEFINE_ERROR(TSDB_CODE_MND_VGROUP_UN_CHANGED, "Vgroup distribution has not changed")
TAOS_DEFINE_ERROR(TSDB_CODE_MND_HAS_OFFLINE_DNODE, "Offline dnode exists")
TAOS_DEFINE_ERROR(TSDB_CODE_MND_INVALID_REPLICA, "Invalid vgroup replica")
// mnode-stable
TAOS_DEFINE_ERROR(TSDB_CODE_MND_STB_ALREADY_EXIST, "STable already exists")
@ -265,6 +265,7 @@ TAOS_DEFINE_ERROR(TSDB_CODE_MND_TRANS_INVALID_STAGE, "Invalid stage to kill
TAOS_DEFINE_ERROR(TSDB_CODE_MND_TRANS_CONFLICT, "Conflict transaction not completed")
TAOS_DEFINE_ERROR(TSDB_CODE_MND_TRANS_UNKNOW_ERROR, "Unknown transaction error")
TAOS_DEFINE_ERROR(TSDB_CODE_MND_TRANS_CLOG_IS_NULL, "Transaction commitlog is null")
TAOS_DEFINE_ERROR(TSDB_CODE_MND_TRANS_NETWORK_UNAVAILL, "Unable to establish connection While execute transaction")
// mnode-mq
TAOS_DEFINE_ERROR(TSDB_CODE_MND_TOPIC_ALREADY_EXIST, "Topic already exists")

165
tests/script/tsim/dnode/redistribute_vgroup_replica3_move_1_vnode.sim Normal file
View File

@ -0,0 +1,165 @@
system sh/stop_dnodes.sh
system sh/deploy.sh -n dnode1 -i 1
system sh/deploy.sh -n dnode2 -i 2
system sh/deploy.sh -n dnode3 -i 3
system sh/deploy.sh -n dnode4 -i 4
system sh/deploy.sh -n dnode5 -i 5
system sh/cfg.sh -n dnode1 -c supportVnodes -v 0
system sh/exec.sh -n dnode1 -s start
system sh/exec.sh -n dnode2 -s start
system sh/exec.sh -n dnode3 -s start
system sh/exec.sh -n dnode4 -s start
#system sh/exec.sh -n dnode5 -s start
sql connect
sql create user u1 pass 'taosdata'
print =============== step1 create dnode2
sql create dnode $hostname port 7200
sql create dnode $hostname port 7300
sql create dnode $hostname port 7400
sql create dnode $hostname port 7500
$x = 0
step1:
$ = $x + 1
sleep 1000
if $x == 10 then
print ====> dnode not ready!
return -1
endi
sql show dnodes
print ===> $data00 $data01 $data02 $data03 $data04 $data05
print ===> $data10 $data11 $data12 $data13 $data14 $data15
print ===> $data20 $data21 $data22 $data23 $data24 $data25
print ===> $data30 $data31 $data32 $data33 $data34 $data35
print ===> $data40 $data41 $data42 $data43 $data44 $data45
if $rows != 5 then
return -1
endi
if $data(1)[4] != ready then
goto step1
endi
if $data(2)[4] != ready then
goto step1
endi
if $data(3)[4] != ready then
goto step1
endi
if $data(4)[4] != ready then
goto step1
endi
#if $data(5)[4] != ready then
# goto step1
#endi
print =============== step2: create db
sql create database d1 vgroups 1 replica 3
# Invalid vgroup
sql_error redistribute vgroup 3 dnode 5 dnode 3 dnode 4
# un changed
sql_error redistribute vgroup 2 dnode 2 dnode 3 dnode 4
# no enought vnodes
sql_error redistribute vgroup 2 dnode 1 dnode 3 dnode 4
# offline vnodes
sql_error redistribute vgroup 2 dnode 5 dnode 3 dnode 4
# Invalid replica
sql_error redistribute vgroup 2 dnode 5
sql_error redistribute vgroup 2 dnode 5 dnode 3
sql_error redistribute vgroup 2 dnode 2 dnode 3
sql_error redistribute vgroup 2 dnode 2 dnode 2
sql_error redistribute vgroup 3 dnode 2 dnode 2
system sh/exec.sh -n dnode5 -s start
$x = 0
step2:
$ = $x + 1
sleep 1000
if $x == 10 then
print ====> dnode not ready!
return -1
endi
sql show dnodes
print ===> $data00 $data01 $data02 $data03 $data04 $data05
print ===> $data10 $data11 $data12 $data13 $data14 $data15
print ===> $data20 $data21 $data22 $data23 $data24 $data25
print ===> $data30 $data31 $data32 $data33 $data34 $data35
print ===> $data40 $data41 $data42 $data43 $data44 $data45
if $rows != 5 then
return -1
endi
if $data(1)[4] != ready then
goto step2
endi
if $data(2)[4] != ready then
goto step2
endi
if $data(3)[4] != ready then
goto step2
endi
if $data(4)[4] != ready then
goto step2
endi
if $data(5)[4] != ready then
goto step2
endi
return
print =============== step3: move follower
$leaderExist = 0
$leaderVnode = 0
$follower1 = 0
$follower2 = 0
$x = 0
step3:
$ = $x + 1
sleep 1000
if $x == 10 then
print ====> db not ready!
return -1
endi
sql show d1.vgroups
print ===> $data00 $data01 $data02 $data03 $data04 $data05
if $rows != 1 then
return -1
endi
if $data(2)[3] == leader then
$leaderExist = 1
$leaderVnode = 4
$follower1 = 2
$follower2 = 3
endi
if $data(2)[4] != ready then
$leaderExist = 1
$leaderVnode = 3
$follower1 = 2
$follower2 = 4
endi
if $data(3)[4] != ready then
$leaderExist = 1
$leaderVnode = 2
$follower1 = 3
$follower2 = 4
endi
if $leaderExist != 1 then
goto step3
endi
print redistribute vgroup 2 dnode $follower1 dnode $follower2 dnode 5
sql redistribute vgroup 2 dnode $follower1 dnode $follower2 dnode 5
print =============== step4: move leader
return
print =============== step3: drop dnode 3
return
system sh/exec.sh -n dnode1 -s stop -x SIGINT
system sh/exec.sh -n dnode2 -s stop -x SIGINT
system sh/exec.sh -n dnode3 -s stop -x SIGINT
system sh/exec.sh -n dnode4 -s stop -x SIGINT
system sh/exec.sh -n dnode5 -s stop -x SIGINT