frostfs-node/cmd/neofs-node/container.go

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package main
import (
"bytes"
"context"
"crypto/ecdsa"
"crypto/sha256"
"errors"
"fmt"
"strconv"
containerV2 "github.com/nspcc-dev/neofs-api-go/v2/container"
containerGRPC "github.com/nspcc-dev/neofs-api-go/v2/container/grpc"
"github.com/nspcc-dev/neofs-node/pkg/core/client"
containerCore "github.com/nspcc-dev/neofs-node/pkg/core/container"
netmapCore "github.com/nspcc-dev/neofs-node/pkg/core/netmap"
"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/engine"
cntClient "github.com/nspcc-dev/neofs-node/pkg/morph/client/container"
"github.com/nspcc-dev/neofs-node/pkg/morph/event"
containerEvent "github.com/nspcc-dev/neofs-node/pkg/morph/event/container"
containerTransportGRPC "github.com/nspcc-dev/neofs-node/pkg/network/transport/container/grpc"
containerService "github.com/nspcc-dev/neofs-node/pkg/services/container"
loadcontroller "github.com/nspcc-dev/neofs-node/pkg/services/container/announcement/load/controller"
loadroute "github.com/nspcc-dev/neofs-node/pkg/services/container/announcement/load/route"
placementrouter "github.com/nspcc-dev/neofs-node/pkg/services/container/announcement/load/route/placement"
loadstorage "github.com/nspcc-dev/neofs-node/pkg/services/container/announcement/load/storage"
containerMorph "github.com/nspcc-dev/neofs-node/pkg/services/container/morph"
"github.com/nspcc-dev/neofs-node/pkg/services/object/acl/eacl"
"github.com/nspcc-dev/neofs-node/pkg/util/logger"
apiClient "github.com/nspcc-dev/neofs-sdk-go/client"
containerSDK "github.com/nspcc-dev/neofs-sdk-go/container"
cid "github.com/nspcc-dev/neofs-sdk-go/container/id"
"github.com/nspcc-dev/neofs-sdk-go/netmap"
"github.com/nspcc-dev/neofs-sdk-go/user"
"go.uber.org/zap"
)
const (
startEstimationNotifyEvent = "StartEstimation"
stopEstimationNotifyEvent = "StopEstimation"
)
func initContainerService(c *cfg) {
// container wrapper that tries to invoke notary
// requests if chain is configured so
wrap, err := cntClient.NewFromMorph(c.cfgMorph.client, c.cfgContainer.scriptHash, 0, cntClient.TryNotary())
fatalOnErr(err)
// container wrapper that always sends non-notary
// requests
wrapperNoNotary, err := cntClient.NewFromMorph(c.cfgMorph.client, c.cfgContainer.scriptHash, 0)
fatalOnErr(err)
cnrSrc := cntClient.AsContainerSource(wrap)
eACLFetcher := &morphEACLFetcher{
w: wrap,
}
cnrRdr := new(morphContainerReader)
cnrWrt := &morphContainerWriter{
neoClient: wrap,
}
if c.cfgMorph.disableCache {
c.cfgObject.eaclSource = eACLFetcher
cnrRdr.eacl = eACLFetcher
c.cfgObject.cnrSource = cnrSrc
cnrRdr.get = cnrSrc
cnrRdr.lister = wrap
} else {
// use RPC node as source of Container contract items (with caching)
cachedContainerStorage := newCachedContainerStorage(cnrSrc)
cachedEACLStorage := newCachedEACLStorage(eACLFetcher)
cachedContainerLister := newCachedContainerLister(wrap)
subscribeToContainerCreation(c, func(e event.Event) {
ev := e.(containerEvent.PutSuccess)
// read owner of the created container in order to update the reading cache.
// TODO: use owner directly from the event after neofs-contract#256 will become resolved
// but don't forget about the profit of reading the new container and caching it:
// creation success are most commonly tracked by polling GET op.
cnr, err := cachedContainerStorage.Get(ev.ID)
if err == nil {
cachedContainerLister.update(cnr.Value.Owner(), ev.ID, true)
} else {
// unlike removal, we expect successful receive of the container
// after successful creation, so logging can be useful
c.log.Error("read newly created container after the notification",
zap.Stringer("id", ev.ID),
zap.Error(err),
)
}
c.log.Debug("container creation event's receipt",
zap.Stringer("id", ev.ID),
)
})
subscribeToContainerRemoval(c, func(e event.Event) {
ev := e.(containerEvent.DeleteSuccess)
// read owner of the removed container in order to update the listing cache.
// It's strange to read already removed container, but we can successfully hit
// the cache.
// TODO: use owner directly from the event after neofs-contract#256 will become resolved
cnr, err := cachedContainerStorage.Get(ev.ID)
if err == nil {
cachedContainerLister.update(cnr.Value.Owner(), ev.ID, false)
}
cachedContainerStorage.handleRemoval(ev.ID)
c.log.Debug("container removal event's receipt",
zap.Stringer("id", ev.ID),
)
})
c.cfgObject.eaclSource = cachedEACLStorage
c.cfgObject.cnrSource = cachedContainerStorage
cnrRdr.lister = cachedContainerLister
cnrRdr.eacl = c.cfgObject.eaclSource
cnrRdr.get = c.cfgObject.cnrSource
cnrWrt.cacheEnabled = true
cnrWrt.lists = cachedContainerLister
cnrWrt.eacls = cachedEACLStorage
}
localMetrics := &localStorageLoad{
log: c.log,
engine: c.cfgObject.cfgLocalStorage.localStorage,
}
pubKey := c.key.PublicKey().Bytes()
resultWriter := &morphLoadWriter{
log: c.log,
cnrMorphClient: wrapperNoNotary,
key: pubKey,
}
loadAccumulator := loadstorage.New(loadstorage.Prm{})
loadPlacementBuilder := &loadPlacementBuilder{
log: c.log,
nmSrc: c.netMapSource,
cnrSrc: cnrSrc,
}
routeBuilder := placementrouter.New(placementrouter.Prm{
PlacementBuilder: loadPlacementBuilder,
})
loadRouter := loadroute.New(
loadroute.Prm{
LocalServerInfo: c,
RemoteWriterProvider: &remoteLoadAnnounceProvider{
key: &c.key.PrivateKey,
netmapKeys: c,
clientCache: c.clientCache,
deadEndProvider: loadcontroller.SimpleWriterProvider(loadAccumulator),
},
Builder: routeBuilder,
},
loadroute.WithLogger(c.log),
)
ctrl := loadcontroller.New(
loadcontroller.Prm{
LocalMetrics: loadcontroller.SimpleIteratorProvider(localMetrics),
AnnouncementAccumulator: loadcontroller.SimpleIteratorProvider(loadAccumulator),
LocalAnnouncementTarget: loadRouter,
ResultReceiver: loadcontroller.SimpleWriterProvider(resultWriter),
},
loadcontroller.WithLogger(c.log),
)
setContainerNotificationParser(c, startEstimationNotifyEvent, containerEvent.ParseStartEstimation)
addContainerAsyncNotificationHandler(c, startEstimationNotifyEvent, func(ev event.Event) {
ctrl.Start(loadcontroller.StartPrm{
Epoch: ev.(containerEvent.StartEstimation).Epoch(),
})
})
setContainerNotificationParser(c, stopEstimationNotifyEvent, containerEvent.ParseStopEstimation)
addContainerAsyncNotificationHandler(c, stopEstimationNotifyEvent, func(ev event.Event) {
ctrl.Stop(loadcontroller.StopPrm{
Epoch: ev.(containerEvent.StopEstimation).Epoch(),
})
})
server := containerTransportGRPC.New(
containerService.NewSignService(
&c.key.PrivateKey,
containerService.NewResponseService(
&usedSpaceService{
Server: containerService.NewExecutionService(containerMorph.NewExecutor(cnrRdr, cnrWrt)),
loadWriterProvider: loadRouter,
loadPlacementBuilder: loadPlacementBuilder,
routeBuilder: routeBuilder,
cfg: c,
},
c.respSvc,
),
),
)
for _, srv := range c.cfgGRPC.servers {
containerGRPC.RegisterContainerServiceServer(srv, server)
}
}
// addContainerNotificationHandler adds handler that will be executed synchronously
func addContainerNotificationHandler(c *cfg, sTyp string, h event.Handler) {
typ := event.TypeFromString(sTyp)
if c.cfgContainer.subscribers == nil {
c.cfgContainer.subscribers = make(map[event.Type][]event.Handler, 1)
}
c.cfgContainer.subscribers[typ] = append(c.cfgContainer.subscribers[typ], h)
}
// addContainerAsyncNotificationHandler adds handler that will be executed asynchronously via container workerPool
func addContainerAsyncNotificationHandler(c *cfg, sTyp string, h event.Handler) {
addContainerNotificationHandler(
c,
sTyp,
event.WorkerPoolHandler(
c.cfgContainer.workerPool,
h,
c.log,
),
)
}
// stores already registered parsers of the notification events thrown by Container contract.
// MUST NOT be used concurrently.
var mRegisteredParsersContainer = make(map[string]struct{})
// registers event parser by name once. MUST NOT be called concurrently.
func registerEventParserOnceContainer(c *cfg, name string, p event.NotificationParser) {
if _, ok := mRegisteredParsersContainer[name]; !ok {
setContainerNotificationParser(c, name, p)
mRegisteredParsersContainer[name] = struct{}{}
}
}
// subscribes to successful container creation. Provided handler is called asynchronously
// on corresponding routine pool. MUST NOT be called concurrently with itself and other
// similar functions.
func subscribeToContainerCreation(c *cfg, h event.Handler) {
const eventNameContainerCreated = "PutSuccess"
registerEventParserOnceContainer(c, eventNameContainerCreated, containerEvent.ParsePutSuccess)
addContainerAsyncNotificationHandler(c, eventNameContainerCreated, h)
}
// like subscribeToContainerCreation but for removal.
func subscribeToContainerRemoval(c *cfg, h event.Handler) {
const eventNameContainerRemoved = "DeleteSuccess"
registerEventParserOnceContainer(c, eventNameContainerRemoved, containerEvent.ParseDeleteSuccess)
addContainerAsyncNotificationHandler(c, eventNameContainerRemoved, h)
}
func setContainerNotificationParser(c *cfg, sTyp string, p event.NotificationParser) {
typ := event.TypeFromString(sTyp)
if c.cfgContainer.parsers == nil {
c.cfgContainer.parsers = make(map[event.Type]event.NotificationParser, 1)
}
c.cfgContainer.parsers[typ] = p
}
type morphLoadWriter struct {
log *logger.Logger
cnrMorphClient *cntClient.Client
key []byte
}
func (w *morphLoadWriter) Put(a containerSDK.SizeEstimation) error {
w.log.Debug("save used space announcement in contract",
zap.Uint64("epoch", a.Epoch()),
zap.Stringer("cid", a.Container()),
zap.Uint64("size", a.Value()),
)
prm := cntClient.AnnounceLoadPrm{}
prm.SetAnnouncement(a)
prm.SetReporter(w.key)
return w.cnrMorphClient.AnnounceLoad(prm)
}
func (*morphLoadWriter) Close() error {
return nil
}
type nopLoadWriter struct{}
func (nopLoadWriter) Put(containerSDK.SizeEstimation) error {
return nil
}
func (nopLoadWriter) Close() error {
return nil
}
type remoteLoadAnnounceProvider struct {
key *ecdsa.PrivateKey
netmapKeys netmapCore.AnnouncedKeys
clientCache interface {
Get(client.NodeInfo) (client.Client, error)
}
deadEndProvider loadcontroller.WriterProvider
}
func (r *remoteLoadAnnounceProvider) InitRemote(srv loadroute.ServerInfo) (loadcontroller.WriterProvider, error) {
if srv == nil {
return r.deadEndProvider, nil
}
if r.netmapKeys.IsLocalKey(srv.PublicKey()) {
// if local => return no-op writer
return loadcontroller.SimpleWriterProvider(new(nopLoadWriter)), nil
}
var info client.NodeInfo
err := client.NodeInfoFromRawNetmapElement(&info, srv)
if err != nil {
return nil, fmt.Errorf("parse client node info: %w", err)
}
c, err := r.clientCache.Get(info)
if err != nil {
return nil, fmt.Errorf("could not initialize API client: %w", err)
}
return &remoteLoadAnnounceWriterProvider{
client: c,
}, nil
}
type remoteLoadAnnounceWriterProvider struct {
client client.Client
}
func (p *remoteLoadAnnounceWriterProvider) InitWriter(ctx context.Context) (loadcontroller.Writer, error) {
return &remoteLoadAnnounceWriter{
ctx: ctx,
client: p.client,
}, nil
}
type remoteLoadAnnounceWriter struct {
ctx context.Context
client client.Client
buf []containerSDK.SizeEstimation
}
func (r *remoteLoadAnnounceWriter) Put(a containerSDK.SizeEstimation) error {
r.buf = append(r.buf, a)
return nil
}
func (r *remoteLoadAnnounceWriter) Close() error {
var cliPrm apiClient.PrmAnnounceSpace
cliPrm.SetValues(r.buf)
_, err := r.client.ContainerAnnounceUsedSpace(r.ctx, cliPrm)
return err
}
type loadPlacementBuilder struct {
log *logger.Logger
nmSrc netmapCore.Source
cnrSrc containerCore.Source
}
func (l *loadPlacementBuilder) BuildPlacement(epoch uint64, cnr cid.ID) ([][]netmap.NodeInfo, error) {
cnrNodes, nm, err := l.buildPlacement(epoch, cnr)
if err != nil {
return nil, err
}
const pivotPrefix = "load_announcement_"
pivot := []byte(
pivotPrefix + strconv.FormatUint(epoch, 10),
)
placement, err := nm.PlacementVectors(cnrNodes, pivot)
if err != nil {
return nil, fmt.Errorf("could not build placement vectors: %w", err)
}
return placement, nil
}
func (l *loadPlacementBuilder) buildPlacement(epoch uint64, idCnr cid.ID) ([][]netmap.NodeInfo, *netmap.NetMap, error) {
cnr, err := l.cnrSrc.Get(idCnr)
if err != nil {
return nil, nil, err
}
nm, err := l.nmSrc.GetNetMapByEpoch(epoch)
if err != nil {
return nil, nil, fmt.Errorf("could not get network map: %w", err)
}
binCnr := make([]byte, sha256.Size)
idCnr.Encode(binCnr)
cnrNodes, err := nm.ContainerNodes(cnr.Value.PlacementPolicy(), binCnr)
if err != nil {
return nil, nil, fmt.Errorf("could not build container nodes: %w", err)
}
return cnrNodes, nm, nil
}
type localStorageLoad struct {
log *logger.Logger
engine *engine.StorageEngine
}
func (d *localStorageLoad) Iterate(f loadcontroller.UsedSpaceFilter, h loadcontroller.UsedSpaceHandler) error {
idList, err := engine.ListContainers(d.engine)
if err != nil {
return fmt.Errorf("list containers on engine failure: %w", err)
}
for i := range idList {
sz, err := engine.ContainerSize(d.engine, idList[i])
if err != nil {
d.log.Debug("failed to calculate container size in storage engine",
zap.Stringer("cid", idList[i]),
zap.String("error", err.Error()),
)
continue
}
d.log.Debug("container size in storage engine calculated successfully",
zap.Uint64("size", sz),
zap.Stringer("cid", idList[i]),
)
var a containerSDK.SizeEstimation
a.SetContainer(idList[i])
a.SetValue(sz)
if f != nil && !f(a) {
continue
}
if err := h(a); err != nil {
return err
}
}
return nil
}
type usedSpaceService struct {
containerService.Server
loadWriterProvider loadcontroller.WriterProvider
loadPlacementBuilder *loadPlacementBuilder
routeBuilder loadroute.Builder
cfg *cfg
}
func (c *cfg) PublicKey() []byte {
return nodeKeyFromNetmap(c)
}
func (c *cfg) IsLocalKey(key []byte) bool {
return bytes.Equal(key, c.PublicKey())
}
func (c *cfg) IterateAddresses(f func(string) bool) {
c.iterateNetworkAddresses(f)
}
func (c *cfg) NumberOfAddresses() int {
return c.addressNum()
}
func (c *usedSpaceService) PublicKey() []byte {
return nodeKeyFromNetmap(c.cfg)
}
func (c *usedSpaceService) IterateAddresses(f func(string) bool) {
c.cfg.iterateNetworkAddresses(f)
}
func (c *usedSpaceService) NumberOfAddresses() int {
return c.cfg.addressNum()
}
func (c *usedSpaceService) AnnounceUsedSpace(ctx context.Context, req *containerV2.AnnounceUsedSpaceRequest) (*containerV2.AnnounceUsedSpaceResponse, error) {
var passedRoute []loadroute.ServerInfo
for hdr := req.GetVerificationHeader(); hdr != nil; hdr = hdr.GetOrigin() {
passedRoute = append(passedRoute, &containerOnlyKeyRemoteServerInfo{
key: hdr.GetBodySignature().GetKey(),
})
}
for left, right := 0, len(passedRoute)-1; left < right; left, right = left+1, right-1 {
passedRoute[left], passedRoute[right] = passedRoute[right], passedRoute[left]
}
passedRoute = append(passedRoute, c)
w, err := c.loadWriterProvider.InitWriter(loadroute.NewRouteContext(ctx, passedRoute))
if err != nil {
return nil, fmt.Errorf("could not initialize container's used space writer: %w", err)
}
var est containerSDK.SizeEstimation
for _, aV2 := range req.GetBody().GetAnnouncements() {
err = est.ReadFromV2(aV2)
if err != nil {
return nil, fmt.Errorf("invalid size announcement: %w", err)
}
if err := c.processLoadValue(ctx, est, passedRoute, w); err != nil {
return nil, err
}
}
respBody := new(containerV2.AnnounceUsedSpaceResponseBody)
resp := new(containerV2.AnnounceUsedSpaceResponse)
resp.SetBody(respBody)
return resp, nil
}
var errNodeOutsideContainer = errors.New("node outside the container")
type containerOnlyKeyRemoteServerInfo struct {
key []byte
}
func (i *containerOnlyKeyRemoteServerInfo) PublicKey() []byte {
return i.key
}
func (*containerOnlyKeyRemoteServerInfo) IterateAddresses(func(string) bool) {
}
func (*containerOnlyKeyRemoteServerInfo) NumberOfAddresses() int {
return 0
}
func (l *loadPlacementBuilder) isNodeFromContainerKey(epoch uint64, cnr cid.ID, key []byte) (bool, error) {
cnrNodes, _, err := l.buildPlacement(epoch, cnr)
if err != nil {
return false, err
}
for i := range cnrNodes {
for j := range cnrNodes[i] {
if bytes.Equal(cnrNodes[i][j].PublicKey(), key) {
return true, nil
}
}
}
return false, nil
}
func (c *usedSpaceService) processLoadValue(_ context.Context, a containerSDK.SizeEstimation,
route []loadroute.ServerInfo, w loadcontroller.Writer) error {
fromCnr, err := c.loadPlacementBuilder.isNodeFromContainerKey(a.Epoch(), a.Container(), route[0].PublicKey())
if err != nil {
return fmt.Errorf("could not verify that the sender belongs to the container: %w", err)
} else if !fromCnr {
return errNodeOutsideContainer
}
err = loadroute.CheckRoute(c.routeBuilder, a, route)
if err != nil {
return fmt.Errorf("wrong route of container's used space value: %w", err)
}
err = w.Put(a)
if err != nil {
return fmt.Errorf("could not write container's used space value: %w", err)
}
return nil
}
// implements interface required by container service provided by morph executor.
type morphContainerReader struct {
eacl eacl.Source
get containerCore.Source
lister interface {
List(*user.ID) ([]cid.ID, error)
}
}
func (x *morphContainerReader) Get(id cid.ID) (*containerCore.Container, error) {
return x.get.Get(id)
}
func (x *morphContainerReader) GetEACL(id cid.ID) (*containerCore.EACL, error) {
return x.eacl.GetEACL(id)
}
func (x *morphContainerReader) List(id *user.ID) ([]cid.ID, error) {
return x.lister.List(id)
}
type morphContainerWriter struct {
neoClient *cntClient.Client
cacheEnabled bool
eacls *ttlEACLStorage
lists *ttlContainerLister
}
func (m morphContainerWriter) Put(cnr containerCore.Container) (*cid.ID, error) {
return cntClient.Put(m.neoClient, cnr)
}
func (m morphContainerWriter) Delete(witness containerCore.RemovalWitness) error {
return cntClient.Delete(m.neoClient, witness)
}
func (m morphContainerWriter) PutEACL(eaclInfo containerCore.EACL) error {
err := cntClient.PutEACL(m.neoClient, eaclInfo)
if err != nil {
return err
}
if m.cacheEnabled {
id, _ := eaclInfo.Value.CID()
m.eacls.InvalidateEACL(id)
}
return nil
}