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enh: add a field toVgId in vnodes.json for prepare alter-hashrange

This commit is contained in:
Benguang Zhao 2023-06-19 17:59:15 +08:00
parent 090a1a1595
commit e1d9e44fcd
3 changed files with 15 additions and 2 deletions
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2
source/dnode/mgmt/mgmt_vnode/inc/vmInt.h
View File

@ -46,6 +46,7 @@ typedef struct {
int32_t vgId;
int32_t vgVersion;
int8_t dropped;
int32_t toVgId;
char path[PATH_MAX + 20];
} SWrapperCfg;
@ -55,6 +56,7 @@ typedef struct {
int32_t refCount;
int8_t dropped;
int8_t disable;
int32_t toVgId;
char *path;
SVnode *pImpl;
SMultiWorker pWriteW;

7
source/dnode/mgmt/mgmt_vnode/src/vmFile.c
View File

@ -71,6 +71,8 @@ static int32_t vmDecodeVnodeList(SJson *pJson, SVnodeMgmt *pMgmt, SWrapperCfg **
if (code < 0) goto _OVER;
tjsonGetInt32ValueFromDouble(vnode, "vgVersion", pCfg->vgVersion, code);
if (code < 0) goto _OVER;
tjsonGetInt32ValueFromDouble(vnode, "toVgId", pCfg->toVgId, code);
if (code < 0) goto _OVER;
snprintf(pCfg->path, sizeof(pCfg->path), "%s%svnode%d", pMgmt->path, TD_DIRSEP, pCfg->vgId);
}
@ -165,6 +167,7 @@ static int32_t vmEncodeVnodeList(SJson *pJson, SVnodeObj **ppVnodes, int32_t num
if (tjsonAddDoubleToObject(vnode, "vgId", pVnode->vgId) < 0) return -1;
if (tjsonAddDoubleToObject(vnode, "dropped", pVnode->dropped) < 0) return -1;
if (tjsonAddDoubleToObject(vnode, "vgVersion", pVnode->vgVersion) < 0) return -1;
if (pVnode->toVgId && tjsonAddDoubleToObject(vnode, "toVgId", pVnode->toVgId) < 0) return -1;
if (tjsonAddItemToArray(vnodes, vnode) < 0) return -1;
}
@ -179,7 +182,7 @@ int32_t vmWriteVnodeListToFile(SVnodeMgmt *pMgmt) {
SVnodeObj **ppVnodes = NULL;
char file[PATH_MAX] = {0};
char realfile[PATH_MAX] = {0};
snprintf(file, sizeof(file), "%s%svnodes.json.bak", pMgmt->path, TD_DIRSEP);
snprintf(file, sizeof(file), "%s%svnodes_tmp.json", pMgmt->path, TD_DIRSEP);
snprintf(realfile, sizeof(realfile), "%s%svnodes.json", pMgmt->path, TD_DIRSEP);
int32_t numOfVnodes = 0;
@ -226,4 +229,4 @@ _OVER:
dError("failed to write vnodes file:%s since %s, vnodes:%d", realfile, terrstr(), numOfVnodes);
}
return code;
}
}

8
source/dnode/mgmt/mgmt_vnode/src/vmHandle.c
View File

@ -509,6 +509,13 @@ int32_t vmProcessAlterHashRangeReq(SVnodeMgmt *pMgmt, SRpcMsg *pMsg) {
};
tstrncpy(wrapperCfg.path, pVnode->path, sizeof(wrapperCfg.path));
// prepare alter
pVnode->toVgId = dstVgId;
if (vmWriteVnodeListToFile(pMgmt) != 0) {
dError("vgId:%d, failed to write vnode list since %s", dstVgId, terrstr());
return -1;
}
dInfo("vgId:%d, close vnode", srcVgId);
vmCloseVnode(pMgmt, pVnode, true);
@ -540,6 +547,7 @@ int32_t vmProcessAlterHashRangeReq(SVnodeMgmt *pMgmt, SRpcMsg *pMsg) {
return -1;
}
// complete alter
if (vmWriteVnodeListToFile(pMgmt) != 0) {
dError("vgId:%d, failed to write vnode list since %s", dstVgId, terrstr());
return -1;