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virtual_group_manager.go
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virtual_group_manager.go
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package gfspvgmgr
import (
"context"
"crypto/tls"
"fmt"
"math/rand"
"net/http"
"sort"
"strings"
"sync"
"time"
"cosmossdk.io/math"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/bnb-chain/greenfield-storage-provider/base/gfspclient"
"github.com/bnb-chain/greenfield-storage-provider/base/types/gfsperrors"
"github.com/bnb-chain/greenfield-storage-provider/core/consensus"
"github.com/bnb-chain/greenfield-storage-provider/core/vgmgr"
"github.com/bnb-chain/greenfield-storage-provider/pkg/log"
"github.com/bnb-chain/greenfield-storage-provider/util"
sptypes "github.com/bnb-chain/greenfield/x/sp/types"
virtualgrouptypes "github.com/bnb-chain/greenfield/x/virtualgroup/types"
)
var _ vgmgr.VirtualGroupManager = &virtualGroupManager{}
const (
VirtualGroupManagerSpace = "VirtualGroupManager"
RefreshMetaInterval = 5 * time.Second
MaxStorageUsageRatio = 0.95
DefaultInitialGVGStakingStorageSize = uint64(2) * 1024 * 1024 * 1024 * 1024 // 2TB per GVG, chain side DefaultMaxStoreSizePerFamily is 64 TB
additionalGVGStakingStorageSize = uint64(1) * 1024 * 1024 * 1024 * 1024 // 1TB
defaultSPCheckTimeout = 3 * time.Second
defaultSPHealthCheckerInterval = 10 * time.Second
httpStatusPath = "/status"
emptyGVGSafeDeletePeriod = int64(60) * 60 * 24
)
var (
ErrFailedPickVGF = gfsperrors.Register(VirtualGroupManagerSpace, http.StatusInternalServerError, 540001,
"failed to pick virtual group family, need to create global virtual group")
ErrFailedPickGVG = gfsperrors.Register(VirtualGroupManagerSpace, http.StatusInternalServerError, 540002,
"failed to pick global virtual group, need to stake more storage size")
ErrStaledMetadata = gfsperrors.Register(VirtualGroupManagerSpace, http.StatusInternalServerError, 540003,
"metadata is staled, need to force refresh metadata")
ErrFailedPickDestSP = gfsperrors.Register(VirtualGroupManagerSpace, http.StatusInternalServerError, 540004,
"failed to pick dest sp")
)
// virtualGroupFamilyManager is built by metadata data source.
type virtualGroupFamilyManager struct {
vgfIDToVgf map[uint32]*vgmgr.VirtualGroupFamilyMeta // is used to pick VGF
}
// FreeStorageSizeWeightPicker is used to pick index by storage usage,
// The more free storage usage, the greater the probability of being picked.
type FreeStorageSizeWeightPicker struct {
freeStorageSizeWeightMap map[uint32]float64
}
func (picker *FreeStorageSizeWeightPicker) addVirtualGroupFamily(vgf *vgmgr.VirtualGroupFamilyMeta) {
if float64(vgf.FamilyUsedStorageSize) >= MaxStorageUsageRatio*float64(vgf.FamilyStakingStorageSize) || vgf.FamilyStakingStorageSize == 0 {
return
}
picker.freeStorageSizeWeightMap[vgf.ID] = float64(vgf.FamilyStakingStorageSize-vgf.FamilyUsedStorageSize) / float64(vgf.FamilyStakingStorageSize)
}
func (picker *FreeStorageSizeWeightPicker) addGlobalVirtualGroup(gvg *vgmgr.GlobalVirtualGroupMeta) {
if float64(gvg.UsedStorageSize) >= MaxStorageUsageRatio*float64(gvg.StakingStorageSize) {
return
}
picker.freeStorageSizeWeightMap[gvg.ID] = float64(gvg.StakingStorageSize-gvg.UsedStorageSize) / float64(gvg.StakingStorageSize)
}
func (picker *FreeStorageSizeWeightPicker) pickIndex() (uint32, error) {
var (
sumWeight float64
pickWeight float64
tempSumWeight float64
)
for _, value := range picker.freeStorageSizeWeightMap {
sumWeight += value
}
pickWeight = rand.Float64() * sumWeight
for key, value := range picker.freeStorageSizeWeightMap {
tempSumWeight += value
if tempSumWeight > pickWeight {
return key, nil
}
}
return 0, fmt.Errorf("failed to pick weighted random index")
}
func (vgfm *virtualGroupFamilyManager) pickVirtualGroupFamily(filter *vgmgr.PickVGFFilter, filterByGvgList *vgmgr.PickVGFByGVGFilter, healthChecker *HealthChecker) (*vgmgr.VirtualGroupFamilyMeta, error) {
var (
picker FreeStorageSizeWeightPicker
familyID uint32
err error
)
picker.freeStorageSizeWeightMap = make(map[uint32]float64)
for id, f := range vgfm.vgfIDToVgf {
if filter != nil && !filter.Check(id) {
continue
}
if !filterByGvgList.Check(f.GVGMap) {
continue
}
if healthChecker != nil && !healthChecker.isVGFHealthy(f) {
continue
}
picker.addVirtualGroupFamily(f)
}
if familyID, err = picker.pickIndex(); err != nil {
log.Errorw("failed to pick vgf", "error", err)
return nil, ErrFailedPickVGF
}
return vgfm.vgfIDToVgf[familyID], nil
}
func (vgfm *virtualGroupFamilyManager) pickGlobalVirtualGroup(vgfID uint32, filter, excludeGVGsFilter vgmgr.ExcludeFilter, healthChecker *HealthChecker) (*vgmgr.GlobalVirtualGroupMeta, error) {
var (
picker FreeStorageSizeWeightPicker
globalVirtualGroupID uint32
err error
)
picker.freeStorageSizeWeightMap = make(map[uint32]float64)
if _, existed := vgfm.vgfIDToVgf[vgfID]; !existed {
return nil, ErrStaledMetadata
}
for _, g := range vgfm.vgfIDToVgf[vgfID].GVGMap {
if filter != nil && filter.Apply(g.ID) {
continue
}
if excludeGVGsFilter != nil && excludeGVGsFilter.Apply(g.ID) {
continue
}
if healthChecker != nil && !healthChecker.isGVGHealthy(g) {
continue
}
picker.addGlobalVirtualGroup(g)
}
if globalVirtualGroupID, err = picker.pickIndex(); err != nil {
log.Errorw("failed to pick gvg", "vgf_id", vgfID, "error", err)
return nil, ErrFailedPickGVG
}
return vgfm.vgfIDToVgf[vgfID].GVGMap[globalVirtualGroupID], nil
}
func (vgfm *virtualGroupFamilyManager) pickGlobalVirtualGroupForBucketMigrate(vgfFilter vgmgr.VGFPickFilter, gvgFilter vgmgr.GVGPickFilter) (*vgmgr.GlobalVirtualGroupMeta, error) {
var (
picker FreeStorageSizeWeightPicker
globalVirtualGroupID uint32
err error
)
for vgfID, vgf := range vgfm.vgfIDToVgf {
if vgfFilter != nil && !vgfFilter.Check(vgfID) {
continue
}
if !gvgFilter.CheckFamily(vgfID) {
continue
}
picker.freeStorageSizeWeightMap = make(map[uint32]float64)
for _, gvg := range vgf.GVGMap {
log.Debugw("prepare to add pickGlobalVirtualGroupForBucketMigrate", "gvg", gvg)
if gvgFilter.CheckGVG(gvg) {
picker.addGlobalVirtualGroup(gvg)
log.Debugw("add pickGlobalVirtualGroupForBucketMigrate", "gvg", gvg)
}
}
if globalVirtualGroupID, err = picker.pickIndex(); err != nil {
log.Errorw("failed to pick gvg at current vgf", "vgf_id", vgfID, "error", err)
continue
}
return vgfm.vgfIDToVgf[vgfID].GVGMap[globalVirtualGroupID], nil
}
log.Errorw("failed to pick gvg for migrate bucket")
return nil, ErrFailedPickGVG
}
type spManager struct {
selfSP *sptypes.StorageProvider
otherSPs []*sptypes.StorageProvider
}
func (sm *spManager) generateVirtualGroupMeta(genPolicy vgmgr.GenerateGVGSecondarySPsPolicy, filter, excludeSPsFilter vgmgr.ExcludeFilter, healthChecker *HealthChecker) (*vgmgr.GlobalVirtualGroupMeta, error) {
for _, sp := range sm.otherSPs {
if !sp.IsInService() {
continue
}
if filter != nil && filter.Apply(sp.Id) {
continue
}
if excludeSPsFilter != nil && excludeSPsFilter.Apply(sp.Id) {
continue
}
if healthChecker != nil && !healthChecker.isSPHealthy(sp.GetId()) {
continue
}
genPolicy.AddCandidateSP(sp.GetId())
}
secondarySPIDs, err := genPolicy.GenerateGVGSecondarySPs()
if err != nil {
return nil, err
}
return &vgmgr.GlobalVirtualGroupMeta{
PrimarySPID: sm.selfSP.Id,
SecondarySPIDs: secondarySPIDs,
StakingStorageSize: DefaultInitialGVGStakingStorageSize,
}, nil
}
func (sm *spManager) pickSPByFilter(filter vgmgr.SPPickFilter, healthChecker *HealthChecker) (*sptypes.StorageProvider, error) {
for _, destSP := range sm.otherSPs {
if !destSP.IsInService() {
continue
}
if healthChecker != nil && !healthChecker.isSPHealthy(destSP.GetId()) {
continue
}
if pickSucceed := filter.Check(destSP.GetId()); pickSucceed {
return destSP, nil
}
}
return nil, ErrFailedPickDestSP
}
func (sm *spManager) querySPByID(spID uint32) (*sptypes.StorageProvider, error) {
if sm.selfSP.GetId() == spID {
return sm.selfSP, nil
}
for _, sp := range sm.otherSPs {
if sp.GetId() == spID {
return sp, nil
}
}
return nil, ErrFailedPickDestSP
}
type virtualGroupManager struct {
selfOperatorAddress string
chainClient consensus.Consensus // query VG params from chain
gfspClient gfspclient.GfSpClientAPI
mutex sync.RWMutex
selfSPID uint32
spManager *spManager // is used to generate a new gvg
vgParams *virtualgrouptypes.Params
vgfManager *virtualGroupFamilyManager
freezeSPPool *FreezeSPPool
healthChecker *HealthChecker
gvgGCMap sync.Map // Keep track of empty GVG and the time for GC. Once a GVG is detected empty, it will be put into gvgGCMap, and delete it if it is still empty after 1 day
}
// NewVirtualGroupManager returns a virtual group manager interface.
func NewVirtualGroupManager(selfOperatorAddress string, chainClient consensus.Consensus, gfspClient gfspclient.GfSpClientAPI, enableHealthyChecker bool) (vgmgr.VirtualGroupManager, error) {
var healthChecker *HealthChecker
if enableHealthyChecker {
healthChecker = NewHealthChecker(chainClient)
} else {
healthChecker = nil
}
vgm := &virtualGroupManager{
selfOperatorAddress: selfOperatorAddress,
chainClient: chainClient,
gfspClient: gfspClient,
freezeSPPool: NewFreezeSPPool(),
healthChecker: healthChecker,
gvgGCMap: sync.Map{},
}
vgm.refreshGVGMeta(true)
go func() {
RefreshMetaTicker := time.NewTicker(RefreshMetaInterval)
for range RefreshMetaTicker.C {
// log.Info("start to refresh virtual group manager meta")
vgm.refreshGVGMeta(false)
// log.Info("finish to refresh virtual group manager meta")
}
}()
go vgm.releaseSPAndGVGLoop()
if vgm.healthChecker != nil {
go vgm.healthChecker.Start()
}
return vgm, nil
}
// refreshGVGMeta is used to refresh virtual group manager metadata in background.
func (vgm *virtualGroupManager) refreshGVGMeta(byChain bool) {
var (
err error
spList []*sptypes.StorageProvider
selfSP *sptypes.StorageProvider
otherSPList []*sptypes.StorageProvider
spID uint32
spm *spManager
vgParams *virtualgrouptypes.Params
vgfList []*virtualgrouptypes.GlobalVirtualGroupFamily
vgfm *virtualGroupFamilyManager
spMap map[uint32]*sptypes.StorageProvider
)
spMap = make(map[uint32]*sptypes.StorageProvider)
toSPEndpoints := func(spIDs []uint32) []string {
spInfoEndpoints := make([]string, 0)
for _, id := range spIDs {
spInfoEndpoints = append(spInfoEndpoints, spMap[id].GetEndpoint())
}
return spInfoEndpoints
}
// query meta
if spList, err = vgm.chainClient.ListSPs(context.Background()); err != nil {
log.Errorw("failed to list sps", "error", err)
return
}
sort.Slice(spList, func(i, j int) bool {
return spList[i].Id < spList[j].Id
})
for _, sp := range spList {
spMap[sp.Id] = sp
}
for i, sp := range spList {
if strings.EqualFold(vgm.selfOperatorAddress, sp.OperatorAddress) {
spID = sp.Id
selfSP = sp
otherSPList = append(spList[:i], spList[i+1:]...)
}
}
spm = &spManager{
selfSP: selfSP,
otherSPs: otherSPList,
}
// log.Infow("list sp info", "primary_sp", primarySP, "secondary_sps", secondarySPList, "sp_map", spMap)
// add other SP list into health checker, except self sp, self sp should always be healthy
if vgm.healthChecker != nil {
vgm.healthChecker.addAllSP(otherSPList)
}
if spID == 0 {
log.Error("failed to refresh due to current sp is not in sp list")
return
}
if vgParams, err = vgm.chainClient.QueryVirtualGroupParams(context.Background()); err != nil {
log.Errorw("failed to query virtual group params", "error", err)
return
}
// log.Infow("query virtual group params", "params", vgParams)
vgfm = &virtualGroupFamilyManager{
vgfIDToVgf: make(map[uint32]*vgmgr.VirtualGroupFamilyMeta),
}
if vgfList, err = vgm.chainClient.ListVirtualGroupFamilies(context.Background(), spID); err != nil {
log.Errorw("failed to list virtual group family", "error", err)
return
}
// log.Infow("list virtual group family info", "vgf_list", vgfList)
for _, vgf := range vgfList {
vgfm.vgfIDToVgf[vgf.Id] = &vgmgr.VirtualGroupFamilyMeta{
ID: vgf.Id,
PrimarySPID: spID,
GVGMap: make(map[uint32]*vgmgr.GlobalVirtualGroupMeta),
}
for _, gvgID := range vgf.GlobalVirtualGroupIds {
var gvg *virtualgrouptypes.GlobalVirtualGroup
if byChain {
if gvg, err = vgm.chainClient.QueryGlobalVirtualGroup(context.Background(), gvgID); err != nil {
log.Errorw("failed to query global virtual group from chain", "error", err)
return
}
} else {
gvg, err = vgm.gfspClient.GetGlobalVirtualGroupByGvgID(context.Background(), gvgID)
if err != nil || gvg == nil {
log.Errorw("failed to query global virtual group from meta", "gvg_id", gvgID, "error", err)
return
}
}
deposited, deleted, err := vgm.monitorGVGUsage(gvg, vgParams, byChain)
if err != nil {
log.Errorw("failed to monitor global virtual group usage", "gvgID", gvg.Id, "error", err)
return
}
if deleted {
continue
}
if deposited {
time.Sleep(RefreshMetaInterval)
gvg, err = vgm.chainClient.QueryGlobalVirtualGroup(context.Background(), gvg.Id)
if err != nil {
log.Errorw("failed to query global virtual group", "error", err)
return
}
}
gvgMeta := &vgmgr.GlobalVirtualGroupMeta{
ID: gvg.GetId(),
FamilyID: vgf.Id,
PrimarySPID: spID,
SecondarySPIDs: gvg.GetSecondarySpIds(),
SecondarySPEndpoints: toSPEndpoints(gvg.GetSecondarySpIds()),
UsedStorageSize: gvg.GetStoredSize(),
StakingStorageSize: util.TotalStakingStoreSizeOfGVG(gvg, vgParams.GvgStakingPerBytes),
}
log.Infow("query global virtual group info", "gvg_info", gvg, "gvg_meta", gvgMeta)
vgfm.vgfIDToVgf[vgf.Id].GVGMap[gvg.GetId()] = gvgMeta
vgfm.vgfIDToVgf[vgf.Id].FamilyUsedStorageSize += gvgMeta.UsedStorageSize
vgfm.vgfIDToVgf[vgf.Id].FamilyStakingStorageSize += gvgMeta.StakingStorageSize
}
}
// update meta
vgm.mutex.Lock()
vgm.selfSPID = spID
vgm.spManager = spm
vgm.vgParams = vgParams
vgm.vgfManager = vgfm
vgm.mutex.Unlock()
}
// PickVirtualGroupFamily pick a virtual group family(If failed to pick,
// new VGF will be automatically created on the chain) in get create bucket approval workflow.
func (vgm *virtualGroupManager) PickVirtualGroupFamily(filterByGvgList *vgmgr.PickVGFByGVGFilter) (*vgmgr.VirtualGroupFamilyMeta, error) {
filter, err := vgm.genVgfFilter()
if err != nil {
return nil, err
}
vgm.mutex.RLock()
defer vgm.mutex.RUnlock()
return vgm.vgfManager.pickVirtualGroupFamily(filter, filterByGvgList, vgm.healthChecker)
}
// PickGlobalVirtualGroup picks a global virtual group(If failed to pick,
// new GVG will be created by primary SP) in replicate/seal object workflow.
func (vgm *virtualGroupManager) PickGlobalVirtualGroup(vgfID uint32, excludeGVGsFilter vgmgr.ExcludeFilter) (*vgmgr.GlobalVirtualGroupMeta, error) {
vgm.mutex.RLock()
defer vgm.mutex.RUnlock()
return vgm.vgfManager.pickGlobalVirtualGroup(vgfID, vgmgr.NewExcludeIDFilter(vgm.freezeSPPool.GetFreezeGVGsInFamily(vgfID)), excludeGVGsFilter, vgm.healthChecker)
}
// PickGlobalVirtualGroupForBucketMigrate picks a global virtual group(If failed to pick,
// new GVG will be created by primary SP) in migrate bucket workflow.
func (vgm *virtualGroupManager) PickGlobalVirtualGroupForBucketMigrate(filter vgmgr.GVGPickFilter) (*vgmgr.GlobalVirtualGroupMeta, error) {
vgm.mutex.RLock()
defer vgm.mutex.RUnlock()
vgfFilter, err := vgm.genVgfFilter()
if err != nil {
return nil, err
}
return vgm.vgfManager.pickGlobalVirtualGroupForBucketMigrate(vgfFilter, filter)
}
// PickMigrateDestGlobalVirtualGroup picks a global virtual group(If failed to pick,
// new GVG will be created by primary SP) in replicate/seal object workflow.
func (vgm *virtualGroupManager) PickMigrateDestGlobalVirtualGroup(vgfID uint32, excludeGVGsFilter vgmgr.ExcludeFilter) (*vgmgr.GlobalVirtualGroupMeta, error) {
vgm.mutex.RLock()
defer vgm.mutex.RUnlock()
return vgm.vgfManager.pickGlobalVirtualGroup(vgfID, vgmgr.NewExcludeIDFilter(vgm.freezeSPPool.GetFreezeGVGsInFamily(vgfID)), excludeGVGsFilter, vgm.healthChecker)
}
// ForceRefreshMeta is used to query metadata service and refresh the virtual group manager meta.
// if pick func returns ErrStaledMetadata, the caller need force refresh from metadata and retry pick.
// TODO: in the future background thread can pre-allocate gvg and reduce impact on foreground thread.
func (vgm *virtualGroupManager) ForceRefreshMeta() error {
// sleep 5 seconds for waiting a new block
time.Sleep(RefreshMetaInterval)
vgm.refreshGVGMeta(true)
return nil
}
// GenerateGlobalVirtualGroupMeta is used to generate a gvg meta.
func (vgm *virtualGroupManager) GenerateGlobalVirtualGroupMeta(genPolicy vgmgr.GenerateGVGSecondarySPsPolicy, excludeSPsFilter vgmgr.ExcludeFilter) (*vgmgr.GlobalVirtualGroupMeta, error) {
vgm.mutex.RLock()
defer vgm.mutex.RUnlock()
return vgm.spManager.generateVirtualGroupMeta(genPolicy, vgmgr.NewExcludeIDFilter(vgm.freezeSPPool.GetFreezeSPIDs()), excludeSPsFilter, vgm.healthChecker)
}
// PickSPByFilter is used to pick sp by filter check.
func (vgm *virtualGroupManager) PickSPByFilter(filter vgmgr.SPPickFilter) (*sptypes.StorageProvider, error) {
vgm.mutex.RLock()
defer vgm.mutex.RUnlock()
return vgm.spManager.pickSPByFilter(filter, vgm.healthChecker)
}
// QuerySPByID return sp info by sp id.
func (vgm *virtualGroupManager) QuerySPByID(spID uint32) (*sptypes.StorageProvider, error) {
vgm.mutex.RLock()
sp, err := vgm.spManager.querySPByID(spID)
vgm.mutex.RUnlock()
if err == nil {
return sp, nil
}
// query chain if it is not found in memory topology.
return vgm.chainClient.QuerySPByID(context.Background(), spID)
}
func (vgm *virtualGroupManager) genVgfFilter() (*vgmgr.PickVGFFilter, error) {
vgm.mutex.RLock()
vgfIDs := make([]uint32, len(vgm.vgfManager.vgfIDToVgf))
if len(vgfIDs) == 0 {
vgm.mutex.RUnlock()
return nil, ErrFailedPickVGF
}
i := 0
for k := range vgm.vgfManager.vgfIDToVgf {
vgfIDs[i] = k
i++
}
vgm.mutex.RUnlock()
availableVgfIDs, err := vgm.chainClient.AvailableGlobalVirtualGroupFamilies(context.Background(), vgfIDs)
if err != nil {
log.Errorw("failed to get available virtual group families", "error", err)
return nil, nil
}
return vgmgr.NewPickVGFFilter(availableVgfIDs), nil
}
// FreezeSPAndGVGs freeze a secondary SP and its GVGs
func (vgm *virtualGroupManager) FreezeSPAndGVGs(spID uint32, gvgs []*virtualgrouptypes.GlobalVirtualGroup) {
vgm.freezeSPPool.FreezeSPAndGVGs(spID, gvgs)
}
// releaseSPAndGVGLoop runs periodically to release SP from the freeze pool
func (vgm *virtualGroupManager) releaseSPAndGVGLoop() {
ticker := time.NewTicker(ReleaseSPJobInterval)
for range ticker.C {
vgm.mutex.RLock()
if vgm.spManager == nil {
log.Warnw("failed to init sp manager")
vgm.mutex.RUnlock()
continue
}
vgm.mutex.RUnlock()
vgm.freezeSPPool.ReleaseSP()
vgm.mutex.RLock()
aliveSP := make([]*sptypes.StorageProvider, 0)
for _, sp := range vgm.spManager.otherSPs {
if sp.IsInService() {
aliveSP = append(aliveSP, sp)
}
}
vgm.mutex.RUnlock()
params, err := vgm.chainClient.QueryStorageParamsByTimestamp(context.Background(), time.Now().Unix())
if err != nil {
continue
}
if len(aliveSP)-len(vgm.freezeSPPool.GetFreezeSPIDs()) < int(params.GetRedundantDataChunkNum()+params.GetRedundantParityChunkNum()) {
vgm.freezeSPPool.ReleaseAllSP()
}
}
}
func (vgm *virtualGroupManager) monitorGVGUsage(gvg *virtualgrouptypes.GlobalVirtualGroup, vgParams *virtualgrouptypes.Params, byChain bool) (deposited, deleted bool, err error) {
needDeposit := func(gvg *virtualgrouptypes.GlobalVirtualGroup, vgParams *virtualgrouptypes.Params) bool {
return float64(gvg.GetStoredSize()) >= MaxStorageUsageRatio*float64(util.TotalStakingStoreSizeOfGVG(gvg, vgParams.GvgStakingPerBytes))
}
isEmpty := func(gvg *virtualgrouptypes.GlobalVirtualGroup) bool {
return gvg.StoredSize == 0
}
curTime := time.Now().Unix()
if isEmpty(gvg) {
// Remove any GVG from the gvgGCMap if it is no longer empty.
vgm.gvgGCMap.Range(func(k, v interface{}) bool {
safeDeleteTime := v.(int64)
if curTime > safeDeleteTime+int64(time.Minute.Seconds()) {
vgm.gvgGCMap.Delete(k)
}
return true
})
if !byChain {
gvgID := gvg.Id
gvg, err = vgm.chainClient.QueryGlobalVirtualGroup(context.Background(), gvgID)
if err != nil {
log.Errorw("failed to query global virtual group", "gvg_id", gvgID, "error", err)
return
}
if !isEmpty(gvg) {
log.Warnw("the gvg is not empty by querying from chain ", "gvg", gvg)
return
}
}
log.Infow("found GVG is empty", "GVG", gvg)
var safeDeleteTime int64
val, found := vgm.gvgGCMap.Load(gvg.Id)
if !found {
safeDeleteTime = curTime + emptyGVGSafeDeletePeriod
vgm.gvgGCMap.Store(gvg.Id, safeDeleteTime)
return
}
safeDeleteTime = val.(int64)
if curTime < safeDeleteTime {
log.Infow("GVG will be deleted at", "safe_delete_time", safeDeleteTime)
return
}
log.Infow("start to delete GVG", "GVG", gvg)
var deleteGVGHash string
deleteGVGHash, err = vgm.gfspClient.DeleteGlobalVirtualGroup(context.Background(), &virtualgrouptypes.MsgDeleteGlobalVirtualGroup{
GlobalVirtualGroupId: gvg.Id,
})
if err != nil {
log.Errorw("failed to delete global virtual group", "gvg_id", gvg.Id, "tx_hash", deleteGVGHash, "error", err)
return
}
vgm.gvgGCMap.Delete(gvg.Id)
log.Infow("successfully delete GVG", "GVG", gvg, "tx_hash", deleteGVGHash)
deleted = true
return
}
if !needDeposit(gvg, vgParams) {
return
}
msgDeposit := &virtualgrouptypes.MsgDeposit{
GlobalVirtualGroupId: gvg.Id,
Deposit: sdk.Coin{
Denom: vgParams.GetDepositDenom(),
Amount: vgParams.GvgStakingPerBytes.Mul(math.NewIntFromUint64(additionalGVGStakingStorageSize)),
},
}
if !byChain {
gvgID := gvg.Id
gvg, err = vgm.chainClient.QueryGlobalVirtualGroup(context.Background(), gvgID)
if err != nil {
log.Errorw("failed to query global virtual group", "gvg_id", gvgID, "error", err)
return
}
if !needDeposit(gvg, vgParams) {
log.Warnw("the gvg does not need deposit by querying from chain", gvg, gvg)
return
}
}
log.Infow("found GVG need to deposit", "GVG", gvg)
var depositTxHash string
depositTxHash, err = vgm.gfspClient.Deposit(context.Background(), msgDeposit)
if err != nil {
log.Errorw("failed to deposit global virtual group", "gvg_id", gvg.Id, "tx_hash", depositTxHash, "error", err)
return
}
log.Infow("successfully deposit GVG", "GVG", gvg, "tx_hash", depositTxHash)
deposited = true
return
}
type HealthChecker struct {
mutex sync.RWMutex // The mutex is used to guard sps and unhealthySPs
sps map[uint32]*sptypes.StorageProvider // all sps, id -> StorageProvider
unhealthySPs map[uint32]*sptypes.StorageProvider
chainClient consensus.Consensus // query VG params from chain
}
func NewHealthChecker(chainClient consensus.Consensus) *HealthChecker {
sps := make(map[uint32]*sptypes.StorageProvider)
unhealthySPs := make(map[uint32]*sptypes.StorageProvider)
return &HealthChecker{sps: sps, unhealthySPs: unhealthySPs, chainClient: chainClient}
}
func (checker *HealthChecker) addAllSP(sps []*sptypes.StorageProvider) {
checker.mutex.Lock()
defer checker.mutex.Unlock()
checker.sps = make(map[uint32]*sptypes.StorageProvider)
for _, sp := range sps {
checker.sps[sp.Id] = sp
}
}
func (checker *HealthChecker) isSPHealthy(spID uint32) bool {
checker.mutex.RLock()
defer checker.mutex.RUnlock()
if sp, exists := checker.sps[spID]; exists {
if _, unhealthyExists := checker.unhealthySPs[spID]; unhealthyExists {
log.CtxErrorw(context.Background(), "the sp is treated as unhealthy", "sp", sp, "sps", checker.sps, "unhealthy_sps", checker.unhealthySPs)
return false
} else {
log.CtxInfow(context.Background(), "the sp isn't exist in unhealthy sp map, is treated as healthy", "sp", sp, "sps", checker.sps, "unhealthy_sps", checker.unhealthySPs)
return true
}
}
log.CtxInfow(context.Background(), "the sp isn't exist in sps map, is treated as healthy", "check_sp_id", spID, "sps", checker.sps, "unhealthy_sps", checker.unhealthySPs)
return true
}
// isGVGHealthy GVG healthy means gvg primary sp & secondary sps is healthy
func (checker *HealthChecker) isGVGHealthy(gvg *vgmgr.GlobalVirtualGroupMeta) bool {
// gvg secondary sp
for _, spID := range gvg.SecondarySPIDs {
if !checker.isSPHealthy(spID) {
log.CtxErrorw(context.Background(), "the gvg is treated as unhealthy", "gvg", gvg)
return false
}
}
return true
}
// isVGFHealthy vgf healthy means at least one gvg is healthy
func (checker *HealthChecker) isVGFHealthy(vgf *vgmgr.VirtualGroupFamilyMeta) bool {
gvgs := vgf.GVGMap
if len(gvgs) == 0 {
// vgf has no gvg treated as healthy
return true
}
healthyCount := len(gvgs)
for _, gvg := range gvgs {
if !checker.isGVGHealthy(gvg) {
healthyCount--
}
}
if healthyCount == 0 {
log.CtxErrorw(context.Background(), "the vgf is treated as unhealthy", "vgf", vgf)
}
return healthyCount > 0
}
func (checker *HealthChecker) checkAllSPHealth() {
spTemp := make(map[uint32]*sptypes.StorageProvider)
unhealthyTemp := make(map[uint32]*sptypes.StorageProvider)
checker.mutex.RLock()
for key, value := range checker.sps {
spTemp[key] = value
}
checker.mutex.RUnlock()
unhealthyCnt := 0
for _, sp := range spTemp {
if !checker.checkSPHealth(sp) {
unhealthyCnt++
unhealthyTemp[sp.GetId()] = sp
} else {
checker.mutex.Lock()
// an SP is removed from unhealthy pool only when it is confirmed back to normal
delete(checker.unhealthySPs, sp.Id)
checker.mutex.Unlock()
}
}
if unhealthyCnt == 0 {
// quickly return, this is fast-path.
log.Infow("all SPs are healthy", "unhealthy_sps", checker.unhealthySPs,
"sps", checker.sps, "unhealthy_sp_cnt", unhealthyCnt)
return
}
params, err := checker.chainClient.QueryStorageParamsByTimestamp(context.Background(), time.Now().Unix())
if err != nil {
log.Errorw("failed to query storage params from chain", "error", err)
return
}
// Only when more than defaultMinAvailableSPThreshold valid sp, the check is valid
if len(spTemp)-unhealthyCnt >= int(params.GetRedundantDataChunkNum()+params.GetRedundantParityChunkNum()) {
checker.mutex.Lock()
checker.unhealthySPs = unhealthyTemp
checker.mutex.Unlock()
log.Infow("succeed to place these sp into unhealthy status", "unhealthy_sps", checker.unhealthySPs,
"sps", checker.sps, "unhealthy_sp_cnt", unhealthyCnt)
} else {
log.Errorw("the current checker determines that most SPs are abnormal", "unhealthy_sps", checker.unhealthySPs,
"sps", checker.sps, "unhealthy_sp_cnt", unhealthyCnt)
}
log.Infow("succeed to check all sp health status", "unhealthy_sps", checker.unhealthySPs, "all_sps", checker.sps)
}
func (checker *HealthChecker) checkSPHealth(sp *sptypes.StorageProvider) bool {
if !sp.IsInService() {
log.CtxInfow(context.Background(), "the sp is not in service,sp is treated as unhealthy", "sp", sp)
return false
}
ctxTimeout, cancel := context.WithTimeout(context.Background(), defaultSPCheckTimeout)
defer cancel()
endpoint := sp.GetEndpoint()
client := &http.Client{
Transport: &http.Transport{
TLSClientConfig: &tls.Config{MinVersion: tls.VersionTLS12},
},
Timeout: defaultSPCheckTimeout * time.Second,
}
// Create an HTTP request to test the validity of the endpoint
urlToCheck := fmt.Sprintf("%s%s", endpoint, httpStatusPath)
req, err := http.NewRequestWithContext(ctxTimeout, http.MethodGet, urlToCheck, nil)
if err != nil {
return false
}
resp, err := client.Do(req)
if err != nil {
log.CtxErrorw(context.Background(), "failed to connect to sp", "sp", sp, "error", err)
return false
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
log.CtxErrorw(context.Background(), "failed to check sp healthy", "sp", sp, "http_status_code", resp.StatusCode, "resp_body", resp.Body)
return false
}
log.CtxInfow(context.Background(), "succeed to check the sp healthy", "sp", sp)
return true
}
func (checker *HealthChecker) Start() {
go func() {
healthCheckerTicker := time.NewTicker(defaultSPHealthCheckerInterval)
for range healthCheckerTicker.C {
log.Debug("start to sp health checker")
checker.checkAllSPHealth()
log.Debug("finished to sp health checker")
}
}()
}