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fix: the max number of mnodes is limited to 3

This commit is contained in:
Shengliang Guan 2022-06-01 09:37:10 +08:00
parent 5422db24b9
commit 8baf32fc23
4 changed files with 15 additions and 3 deletions
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5
include/util/taoserror.h
View File

@ -182,8 +182,9 @@ int32_t* taosGetErrno();
#define TSDB_CODE_MND_BNODE_ALREADY_EXIST TAOS_DEF_ERROR_CODE(0, 0x0356)
#define TSDB_CODE_MND_BNODE_NOT_EXIST TAOS_DEF_ERROR_CODE(0, 0x0357)
#define TSDB_CODE_MND_TOO_FEW_MNODES TAOS_DEF_ERROR_CODE(0, 0x0358)
#define TSDB_CODE_MND_MNODE_DEPLOYED TAOS_DEF_ERROR_CODE(0, 0x0359)
#define TSDB_CODE_MND_CANT_DROP_MASTER TAOS_DEF_ERROR_CODE(0, 0x035A)
#define TSDB_CODE_MND_TOO_MANY_MNODES TAOS_DEF_ERROR_CODE(0, 0x0359)
#define TSDB_CODE_MND_MNODE_DEPLOYED TAOS_DEF_ERROR_CODE(0, 0x035A)
#define TSDB_CODE_MND_CANT_DROP_MASTER TAOS_DEF_ERROR_CODE(0, 0x035B)
// mnode-acct
#define TSDB_CODE_MND_ACCT_ALREADY_EXIST TAOS_DEF_ERROR_CODE(0, 0x0360)

5
source/dnode/mnode/impl/src/mndMnode.c
View File

@ -396,6 +396,11 @@ static int32_t mndProcessCreateMnodeReq(SRpcMsg *pReq) {
mDebug("mnode:%d, start to create", createReq.dnodeId);
if (sdbGetSize(pMnode->pSdb, SDB_MNODE) > 3) {
terrno = TSDB_CODE_MND_TOO_MANY_MNODES;
goto _OVER;
}
pObj = mndAcquireMnode(pMnode, createReq.dnodeId);
if (pObj != NULL) {
terrno = TSDB_CODE_MND_MNODE_ALREADY_EXIST;

1
source/util/src/terror.c
View File

@ -187,6 +187,7 @@ TAOS_DEFINE_ERROR(TSDB_CODE_MND_SNODE_NOT_EXIST, "Snode not there")
TAOS_DEFINE_ERROR(TSDB_CODE_MND_BNODE_ALREADY_EXIST, "Bnode already exists")
TAOS_DEFINE_ERROR(TSDB_CODE_MND_BNODE_NOT_EXIST, "Bnode not there")
TAOS_DEFINE_ERROR(TSDB_CODE_MND_TOO_FEW_MNODES, "Too few mnodes")
TAOS_DEFINE_ERROR(TSDB_CODE_MND_TOO_MANY_MNODES, "Too many mnodes")
TAOS_DEFINE_ERROR(TSDB_CODE_MND_MNODE_DEPLOYED, "Mnode deployed in this dnode")
TAOS_DEFINE_ERROR(TSDB_CODE_MND_CANT_DROP_MASTER, "Can't drop mnode which is master")

5
tests/script/tsim/mnode/basic3.sim
View File

@ -2,14 +2,17 @@ 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/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
sql connect
print =============== step1: create dnodes
sql create dnode $hostname port 7200
sql create dnode $hostname port 7300
sql create dnode $hostname port 7400
$x = 0
step1:
@ -32,6 +35,7 @@ endi
print =============== step2: create mnode 2
sql create mnode on dnode 2
sql create mnode on dnode 3
sql_error create mnode on dnode 4
$x = 0
step2:
@ -135,3 +139,4 @@ endi
system sh/exec.sh -n dnode1 -s stop
system sh/exec.sh -n dnode2 -s stop
system sh/exec.sh -n dnode3 -s stop
system sh/exec.sh -n dnode4 -s stop