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

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package main
import (
"bytes"
"context"
"crypto/ecdsa"
"errors"
"fmt"
"strconv"
apiClient "github.com/nspcc-dev/neofs-api-go/pkg/client"
containerSDK "github.com/nspcc-dev/neofs-api-go/pkg/container"
cid "github.com/nspcc-dev/neofs-api-go/pkg/container/id"
"github.com/nspcc-dev/neofs-api-go/pkg/netmap"
containerV2 "github.com/nspcc-dev/neofs-api-go/v2/container"
containerGRPC "github.com/nspcc-dev/neofs-api-go/v2/container/grpc"
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"
"github.com/nspcc-dev/neofs-node/pkg/morph/client/container/wrapper"
"github.com/nspcc-dev/neofs-node/pkg/morph/event"
containerEvent "github.com/nspcc-dev/neofs-node/pkg/morph/event/container"
"github.com/nspcc-dev/neofs-node/pkg/network"
"github.com/nspcc-dev/neofs-node/pkg/network/cache"
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/util/logger"
"go.uber.org/zap"
)
const (
startEstimationNotifyEvent = "StartEstimation"
stopEstimationNotifyEvent = "StopEstimation"
)
func initContainerService(c *cfg) {
wrap, err := wrapper.NewFromMorph(c.cfgMorph.client, c.cfgContainer.scriptHash, 0)
fatalOnErr(err)
cnrSrc := wrapper.AsContainerSource(wrap)
c.cfgObject.cnrStorage = newCachedContainerStorage(cnrSrc) // use RPC node as source of containers (with caching)
c.cfgObject.cnrClient = wrap
localMetrics := &localStorageLoad{
log: c.log,
engine: c.cfgObject.cfgLocalStorage.localStorage,
}
pubKey := c.key.PublicKey().Bytes()
resultWriter := &morphLoadWriter{
log: c.log,
cnrMorphClient: wrap,
key: pubKey,
}
loadAccumulator := loadstorage.New(loadstorage.Prm{})
loadPlacementBuilder := &loadPlacementBuilder{
log: c.log,
nmSrc: c.cfgNetmap.wrapper,
cnrSrc: cnrSrc,
}
routeBuilder := placementrouter.New(placementrouter.Prm{
PlacementBuilder: loadPlacementBuilder,
})
clientCache := cache.NewSDKClientCache() // FIXME: use shared cache
loadRouter := loadroute.New(
loadroute.Prm{
LocalServerInfo: c,
RemoteWriterProvider: &remoteLoadAnnounceProvider{
key: &c.key.PrivateKey,
loadAddrSrc: c,
clientCache: clientCache,
deadEndProvider: loadcontroller.SimpleWriterProvider(loadAccumulator),
},
Builder: routeBuilder,
},
loadroute.WithLogger(c.log),
)
c.onShutdown(clientCache.CloseAll)
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(),
})
})
containerGRPC.RegisterContainerServiceServer(c.cfgGRPC.server,
containerTransportGRPC.New(
containerService.NewSignService(
&c.key.PrivateKey,
containerService.NewResponseService(
&usedSpaceService{
Server: containerService.NewExecutionService(containerMorph.NewExecutor(wrap)),
loadWriterProvider: loadRouter,
loadPlacementBuilder: loadPlacementBuilder,
routeBuilder: routeBuilder,
cfg: c,
},
c.respSvc,
),
),
),
)
}
// 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,
),
)
}
func setContainerNotificationParser(c *cfg, sTyp string, p event.Parser) {
typ := event.TypeFromString(sTyp)
if c.cfgContainer.parsers == nil {
c.cfgContainer.parsers = make(map[event.Type]event.Parser, 1)
}
c.cfgContainer.parsers[typ] = p
}
type morphLoadWriter struct {
log *logger.Logger
cnrMorphClient *wrapper.Wrapper
key []byte
}
func (w *morphLoadWriter) Put(a containerSDK.UsedSpaceAnnouncement) error {
w.log.Debug("save used space announcement in contract",
zap.Uint64("epoch", a.Epoch()),
zap.Stringer("cid", a.ContainerID()),
zap.Uint64("size", a.UsedSpace()),
)
return w.cnrMorphClient.AnnounceLoad(a, w.key)
}
func (*morphLoadWriter) Close() error {
return nil
}
type nopLoadWriter struct{}
func (nopLoadWriter) Put(containerSDK.UsedSpaceAnnouncement) error {
return nil
}
func (nopLoadWriter) Close() error {
return nil
}
type remoteLoadAnnounceProvider struct {
key *ecdsa.PrivateKey
loadAddrSrc network.LocalAddressSource
clientCache interface {
Get(network.AddressGroup) (apiClient.Client, error)
}
deadEndProvider loadcontroller.WriterProvider
}
func (r *remoteLoadAnnounceProvider) InitRemote(srv loadroute.ServerInfo) (loadcontroller.WriterProvider, error) {
if srv == nil {
return r.deadEndProvider, nil
}
addr := srv.Address()
var netAddr network.Address
err := netAddr.FromString(addr)
if err != nil {
return nil, fmt.Errorf("could not convert address to IP format: %w", err)
}
if network.IsLocalAddress(r.loadAddrSrc, netAddr) {
// if local => return no-op writer
return loadcontroller.SimpleWriterProvider(new(nopLoadWriter)), nil
}
c, err := r.clientCache.Get(network.GroupFromAddress(netAddr))
if err != nil {
return nil, fmt.Errorf("could not initialize API client: %w", err)
}
return &remoteLoadAnnounceWriterProvider{
client: c,
key: r.key,
}, nil
}
type remoteLoadAnnounceWriterProvider struct {
client apiClient.Client
key *ecdsa.PrivateKey
}
func (p *remoteLoadAnnounceWriterProvider) InitWriter(ctx context.Context) (loadcontroller.Writer, error) {
return &remoteLoadAnnounceWriter{
ctx: ctx,
client: p.client,
key: p.key,
}, nil
}
type remoteLoadAnnounceWriter struct {
ctx context.Context
client apiClient.Client
key *ecdsa.PrivateKey
buf []containerSDK.UsedSpaceAnnouncement
}
func (r *remoteLoadAnnounceWriter) Put(a containerSDK.UsedSpaceAnnouncement) error {
r.buf = append(r.buf, a)
return nil
}
func (r *remoteLoadAnnounceWriter) Close() error {
return r.client.AnnounceContainerUsedSpace(r.ctx, r.buf, apiClient.WithKey(r.key))
}
type loadPlacementBuilder struct {
log *logger.Logger
nmSrc netmapCore.Source
cnrSrc containerCore.Source
}
func (l *loadPlacementBuilder) BuildPlacement(epoch uint64, cid *cid.ID) ([]netmap.Nodes, error) {
cnrNodes, nm, err := l.buildPlacement(epoch, cid)
if err != nil {
return nil, err
}
const pivotPrefix = "load_announcement_"
pivot := []byte(
pivotPrefix + strconv.FormatUint(epoch, 10),
)
placement, err := nm.GetPlacementVectors(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, cid *cid.ID) (netmap.ContainerNodes, *netmap.Netmap, error) {
cnr, err := l.cnrSrc.Get(cid)
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)
}
cnrNodes, err := nm.GetContainerNodes(cnr.PlacementPolicy(), cid.ToV2().GetValue())
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 := engine.ListContainers(d.engine)
for i := range idList {
sz := engine.ContainerSize(d.engine, idList[i])
d.log.Debug("container size in storage engine calculated successfully",
zap.Uint64("size", sz),
zap.Stringer("cid", idList[i]),
)
a := containerSDK.NewAnnouncement()
a.SetContainerID(idList[i])
a.SetUsedSpace(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) Address() string {
return nodeAddressFromNetmap(c)
}
func (c *usedSpaceService) PublicKey() []byte {
return nodeKeyFromNetmap(c.cfg)
}
func (c *usedSpaceService) Address() string {
return nodeAddressFromNetmap(c.cfg)
}
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)
}
for _, aV2 := range req.GetBody().GetAnnouncements() {
if err := c.processLoadValue(ctx, *containerSDK.NewAnnouncementFromV2(aV2), 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) Address() string {
return ""
}
func (l *loadPlacementBuilder) isNodeFromContainerKey(epoch uint64, cid *cid.ID, key []byte) (bool, error) {
cnrNodes, _, err := l.buildPlacement(epoch, cid)
if err != nil {
return false, err
}
for _, vector := range cnrNodes.Replicas() {
for _, node := range vector {
if bytes.Equal(node.PublicKey(), key) {
return true, nil
}
}
}
return false, nil
}
func (c *usedSpaceService) processLoadValue(ctx context.Context, a containerSDK.UsedSpaceAnnouncement,
route []loadroute.ServerInfo, w loadcontroller.Writer) error {
fromCnr, err := c.loadPlacementBuilder.isNodeFromContainerKey(a.Epoch(), a.ContainerID(), 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
}