forked from TrueCloudLab/frostfs-node
348 lines
11 KiB
Go
348 lines
11 KiB
Go
package main
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import (
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"context"
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"fmt"
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v2reputation "github.com/nspcc-dev/neofs-api-go/v2/reputation"
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v2reputationgrpc "github.com/nspcc-dev/neofs-api-go/v2/reputation/grpc"
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"github.com/nspcc-dev/neofs-api-go/v2/session"
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"github.com/nspcc-dev/neofs-node/cmd/neofs-node/reputation/common"
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intermediatereputation "github.com/nspcc-dev/neofs-node/cmd/neofs-node/reputation/intermediate"
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localreputation "github.com/nspcc-dev/neofs-node/cmd/neofs-node/reputation/local"
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repClient "github.com/nspcc-dev/neofs-node/pkg/morph/client/reputation"
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"github.com/nspcc-dev/neofs-node/pkg/morph/event"
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"github.com/nspcc-dev/neofs-node/pkg/morph/event/netmap"
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grpcreputation "github.com/nspcc-dev/neofs-node/pkg/network/transport/reputation/grpc"
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"github.com/nspcc-dev/neofs-node/pkg/services/reputation"
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reputationcommon "github.com/nspcc-dev/neofs-node/pkg/services/reputation/common"
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reputationrouter "github.com/nspcc-dev/neofs-node/pkg/services/reputation/common/router"
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"github.com/nspcc-dev/neofs-node/pkg/services/reputation/eigentrust"
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eigentrustcalc "github.com/nspcc-dev/neofs-node/pkg/services/reputation/eigentrust/calculator"
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eigentrustctrl "github.com/nspcc-dev/neofs-node/pkg/services/reputation/eigentrust/controller"
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intermediateroutes "github.com/nspcc-dev/neofs-node/pkg/services/reputation/eigentrust/routes"
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consumerstorage "github.com/nspcc-dev/neofs-node/pkg/services/reputation/eigentrust/storage/consumers"
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"github.com/nspcc-dev/neofs-node/pkg/services/reputation/eigentrust/storage/daughters"
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localtrustcontroller "github.com/nspcc-dev/neofs-node/pkg/services/reputation/local/controller"
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localroutes "github.com/nspcc-dev/neofs-node/pkg/services/reputation/local/routes"
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truststorage "github.com/nspcc-dev/neofs-node/pkg/services/reputation/local/storage"
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reputationrpc "github.com/nspcc-dev/neofs-node/pkg/services/reputation/rpc"
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"github.com/nspcc-dev/neofs-node/pkg/util/logger"
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"go.uber.org/zap"
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)
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func initReputationService(c *cfg) {
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wrap, err := repClient.NewFromMorph(c.cfgMorph.client, c.cfgReputation.scriptHash, 0, repClient.TryNotary())
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fatalOnErr(err)
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localKey := c.key.PublicKey().Bytes()
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// consider sharing this between application components
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nmSrc := newCachedNetmapStorage(c.cfgNetmap.state, c.cfgNetmap.wrapper)
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// storing calculated trusts as a daughter
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c.cfgReputation.localTrustStorage = truststorage.New(
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truststorage.Prm{},
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)
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daughterStorage := daughters.New(daughters.Prm{})
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consumerStorage := consumerstorage.New(consumerstorage.Prm{})
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// storing received daughter(of current node) trusts as a manager
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daughterStorageWriterProvider := &intermediatereputation.DaughterStorageWriterProvider{
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Log: c.log,
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Storage: daughterStorage,
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}
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consumerStorageWriterProvider := &intermediatereputation.ConsumerStorageWriterProvider{
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Log: c.log,
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Storage: consumerStorage,
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}
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localTrustLogger := c.log.With(zap.String("trust_type", "local"))
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intermediateTrustLogger := c.log.With(zap.String("trust_type", "intermediate"))
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localTrustStorage := &localreputation.TrustStorage{
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Log: localTrustLogger,
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Storage: c.cfgReputation.localTrustStorage,
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NmSrc: nmSrc,
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LocalKey: localKey,
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}
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managerBuilder := reputationcommon.NewManagerBuilder(
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reputationcommon.ManagersPrm{
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NetMapSource: nmSrc,
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},
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reputationcommon.WithLogger(c.log),
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)
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localRouteBuilder := localroutes.New(
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localroutes.Prm{
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ManagerBuilder: managerBuilder,
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Log: localTrustLogger,
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},
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)
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intermediateRouteBuilder := intermediateroutes.New(
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intermediateroutes.Prm{
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ManagerBuilder: managerBuilder,
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Log: intermediateTrustLogger,
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},
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)
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remoteLocalTrustProvider := common.NewRemoteTrustProvider(
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common.RemoteProviderPrm{
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NetmapKeys: c,
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DeadEndProvider: daughterStorageWriterProvider,
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ClientCache: c.clientCache,
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WriterProvider: localreputation.NewRemoteProvider(
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localreputation.RemoteProviderPrm{
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Key: &c.key.PrivateKey,
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Log: localTrustLogger,
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},
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),
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Log: localTrustLogger,
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},
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)
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remoteIntermediateTrustProvider := common.NewRemoteTrustProvider(
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common.RemoteProviderPrm{
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NetmapKeys: c,
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DeadEndProvider: consumerStorageWriterProvider,
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ClientCache: c.clientCache,
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WriterProvider: intermediatereputation.NewRemoteProvider(
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intermediatereputation.RemoteProviderPrm{
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Key: &c.key.PrivateKey,
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Log: intermediateTrustLogger,
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},
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),
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Log: intermediateTrustLogger,
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},
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)
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localTrustRouter := reputationrouter.New(
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reputationrouter.Prm{
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LocalServerInfo: c,
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RemoteWriterProvider: remoteLocalTrustProvider,
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Builder: localRouteBuilder,
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},
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reputationrouter.WithLogger(localTrustLogger))
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intermediateTrustRouter := reputationrouter.New(
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reputationrouter.Prm{
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LocalServerInfo: c,
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RemoteWriterProvider: remoteIntermediateTrustProvider,
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Builder: intermediateRouteBuilder,
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},
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reputationrouter.WithLogger(intermediateTrustLogger),
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)
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eigenTrustCalculator := eigentrustcalc.New(
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eigentrustcalc.Prm{
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AlphaProvider: c.cfgNetmap.wrapper,
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InitialTrustSource: intermediatereputation.InitialTrustSource{
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NetMap: nmSrc,
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},
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IntermediateValueTarget: intermediateTrustRouter,
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WorkerPool: c.cfgReputation.workerPool,
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FinalResultTarget: intermediatereputation.NewFinalWriterProvider(
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intermediatereputation.FinalWriterProviderPrm{
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PrivatKey: &c.key.PrivateKey,
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PubKey: localKey,
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Client: wrap,
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},
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intermediatereputation.FinalWriterWithLogger(c.log),
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),
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DaughterTrustSource: &intermediatereputation.DaughterTrustIteratorProvider{
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DaughterStorage: daughterStorage,
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ConsumerStorage: consumerStorage,
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},
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},
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eigentrustcalc.WithLogger(c.log),
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)
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eigenTrustController := eigentrustctrl.New(
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eigentrustctrl.Prm{
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DaughtersTrustCalculator: &intermediatereputation.DaughtersTrustCalculator{
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Calculator: eigenTrustCalculator,
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},
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IterationsProvider: c.cfgNetmap.wrapper,
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WorkerPool: c.cfgReputation.workerPool,
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},
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eigentrustctrl.WithLogger(c.log),
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)
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c.cfgReputation.localTrustCtrl = localtrustcontroller.New(
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localtrustcontroller.Prm{
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LocalTrustSource: localTrustStorage,
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LocalTrustTarget: localTrustRouter,
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},
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localtrustcontroller.WithLogger(c.log),
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)
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addNewEpochAsyncNotificationHandler(
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c,
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func(ev event.Event) {
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c.log.Debug("start reporting reputation on new epoch event")
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var reportPrm localtrustcontroller.ReportPrm
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// report collected values from previous epoch
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reportPrm.SetEpoch(ev.(netmap.NewEpoch).EpochNumber() - 1)
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c.cfgReputation.localTrustCtrl.Report(reportPrm)
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},
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)
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server := grpcreputation.New(
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reputationrpc.NewSignService(
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&c.key.PrivateKey,
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reputationrpc.NewResponseService(
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&reputationServer{
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cfg: c,
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log: c.log,
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localRouter: localTrustRouter,
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intermediateRouter: intermediateTrustRouter,
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routeBuilder: localRouteBuilder,
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},
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c.respSvc,
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),
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),
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)
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for _, srv := range c.cfgGRPC.servers {
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v2reputationgrpc.RegisterReputationServiceServer(srv, server)
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}
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// initialize eigen trust block timer
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durationMeter := NewEigenTrustDuration(c.cfgNetmap.wrapper)
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newEigenTrustIterTimer(c, durationMeter, func() {
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epoch, err := c.cfgNetmap.wrapper.Epoch()
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if err != nil {
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c.log.Debug(
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"could not get current epoch",
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zap.String("error", err.Error()),
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)
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return
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}
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eigenTrustController.Continue(
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eigentrustctrl.ContinuePrm{
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Epoch: epoch - 1,
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},
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)
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})
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addNewEpochAsyncNotificationHandler(
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c,
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func(e event.Event) {
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durationMeter.Update() // recalculate duration of one iteration round
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err := c.cfgMorph.eigenTrustTimer.Reset() // start iteration rounds again
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if err != nil {
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c.log.Warn("can't reset block timer to start eigen trust calculations again",
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zap.String("error", err.Error()))
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}
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},
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)
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}
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type reputationServer struct {
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*cfg
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log *logger.Logger
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localRouter reputationcommon.WriterProvider
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intermediateRouter reputationcommon.WriterProvider
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routeBuilder reputationrouter.Builder
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}
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func (s *reputationServer) AnnounceLocalTrust(ctx context.Context, req *v2reputation.AnnounceLocalTrustRequest) (*v2reputation.AnnounceLocalTrustResponse, error) {
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passedRoute := reverseRoute(req.GetVerificationHeader())
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passedRoute = append(passedRoute, s)
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body := req.GetBody()
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eCtx := &common.EpochContext{
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Context: ctx,
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E: body.GetEpoch(),
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}
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w, err := s.localRouter.InitWriter(reputationrouter.NewRouteContext(eCtx, passedRoute))
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if err != nil {
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return nil, fmt.Errorf("could not initialize local trust writer: %w", err)
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}
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for _, trust := range body.GetTrusts() {
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err = s.processLocalTrust(body.GetEpoch(), apiToLocalTrust(&trust, passedRoute[0].PublicKey()), passedRoute, w)
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if err != nil {
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return nil, fmt.Errorf("could not write one of local trusts: %w", err)
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}
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}
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resp := new(v2reputation.AnnounceLocalTrustResponse)
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resp.SetBody(new(v2reputation.AnnounceLocalTrustResponseBody))
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return resp, nil
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}
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func (s *reputationServer) AnnounceIntermediateResult(ctx context.Context, req *v2reputation.AnnounceIntermediateResultRequest) (*v2reputation.AnnounceIntermediateResultResponse, error) {
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passedRoute := reverseRoute(req.GetVerificationHeader())
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passedRoute = append(passedRoute, s)
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body := req.GetBody()
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eiCtx := eigentrust.NewIterContext(ctx, body.GetEpoch(), body.GetIteration())
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w, err := s.intermediateRouter.InitWriter(reputationrouter.NewRouteContext(eiCtx, passedRoute))
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if err != nil {
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return nil, fmt.Errorf("could not initialize trust writer: %w", err)
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}
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v2Trust := body.GetTrust()
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trust := apiToLocalTrust(v2Trust.GetTrust(), v2Trust.GetTrustingPeer().GetPublicKey())
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err = w.Write(trust)
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if err != nil {
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return nil, fmt.Errorf("could not write trust: %w", err)
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}
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resp := new(v2reputation.AnnounceIntermediateResultResponse)
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resp.SetBody(new(v2reputation.AnnounceIntermediateResultResponseBody))
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return resp, nil
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}
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func (s *reputationServer) processLocalTrust(epoch uint64, t reputation.Trust,
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passedRoute []reputationcommon.ServerInfo, w reputationcommon.Writer) error {
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err := reputationrouter.CheckRoute(s.routeBuilder, epoch, t, passedRoute)
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if err != nil {
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return fmt.Errorf("wrong route of reputation trust value: %w", err)
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}
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return w.Write(t)
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}
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// apiToLocalTrust converts v2 Trust to local reputation.Trust, adding trustingPeer.
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func apiToLocalTrust(t *v2reputation.Trust, trustingPeer []byte) reputation.Trust {
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localTrust := reputation.Trust{}
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localTrust.SetValue(reputation.TrustValueFromFloat64(t.GetValue()))
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localTrust.SetPeer(reputation.PeerIDFromBytes(t.GetPeer().GetPublicKey()))
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localTrust.SetTrustingPeer(reputation.PeerIDFromBytes(trustingPeer))
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return localTrust
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}
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func reverseRoute(hdr *session.RequestVerificationHeader) (passedRoute []reputationcommon.ServerInfo) {
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for hdr != nil {
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passedRoute = append(passedRoute, &common.OnlyKeyRemoteServerInfo{
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Key: hdr.GetBodySignature().GetKey(),
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})
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hdr = hdr.GetOrigin()
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}
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return
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}
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