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endpoint.go
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endpoint.go
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// Copyright (C) 2019 Storj Labs, Inc.
// See LICENSE for copying information.
package nodestats
import (
"context"
"github.com/shopspring/decimal"
"github.com/spacemonkeygo/monkit/v3"
"go.uber.org/zap"
"storj.io/common/identity"
"storj.io/common/pb"
"storj.io/common/rpc/rpcstatus"
"storj.io/storj/satellite/accounting"
"storj.io/storj/satellite/compensation"
"storj.io/storj/satellite/overlay"
"storj.io/storj/satellite/payments/paymentsconfig"
"storj.io/storj/satellite/reputation"
)
var (
mon = monkit.Package()
)
// Endpoint for querying node stats for the SNO.
//
// architecture: Endpoint
type Endpoint struct {
pb.DRPCNodeStatsUnimplementedServer
log *zap.Logger
overlay overlay.DB
reputation *reputation.Service
accounting accounting.StoragenodeAccounting
config paymentsconfig.Config
compConfig compensation.Config
}
// NewEndpoint creates new endpoint.
func NewEndpoint(log *zap.Logger, overlay overlay.DB, reputation *reputation.Service, accounting accounting.StoragenodeAccounting, config paymentsconfig.Config, compConfig compensation.Config) *Endpoint {
return &Endpoint{
log: log,
overlay: overlay,
reputation: reputation,
accounting: accounting,
config: config,
compConfig: compConfig,
}
}
// GetStats sends node stats for client node.
func (e *Endpoint) GetStats(ctx context.Context, req *pb.GetStatsRequest) (_ *pb.GetStatsResponse, err error) {
defer mon.Task()(&ctx)(&err)
peer, err := identity.PeerIdentityFromContext(ctx)
if err != nil {
return nil, rpcstatus.Error(rpcstatus.Unauthenticated, err.Error())
}
node, err := e.overlay.Get(ctx, peer.ID)
if err != nil {
if overlay.ErrNodeNotFound.Has(err) {
return nil, nil
}
e.log.Error("overlay.Get failed", zap.Error(err))
return nil, rpcstatus.Error(rpcstatus.Internal, err.Error())
}
reputationInfo, err := e.reputation.Get(ctx, peer.ID)
if err != nil {
e.log.Error("reputation.Get failed", zap.Error(err))
return nil, rpcstatus.Error(rpcstatus.Internal, err.Error())
}
auditScore := calculateReputationScore(
reputationInfo.AuditReputationAlpha,
reputationInfo.AuditReputationBeta)
unknownScore := calculateReputationScore(
reputationInfo.UnknownAuditReputationAlpha,
reputationInfo.UnknownAuditReputationBeta)
return &pb.GetStatsResponse{
AuditCheck: &pb.ReputationStats{
TotalCount: reputationInfo.TotalAuditCount,
SuccessCount: reputationInfo.AuditSuccessCount,
ReputationAlpha: reputationInfo.AuditReputationAlpha,
ReputationBeta: reputationInfo.AuditReputationBeta,
UnknownReputationAlpha: reputationInfo.UnknownAuditReputationAlpha,
UnknownReputationBeta: reputationInfo.UnknownAuditReputationBeta,
ReputationScore: auditScore,
UnknownReputationScore: unknownScore,
},
OnlineScore: reputationInfo.OnlineScore,
Disqualified: node.Disqualified,
Suspended: node.UnknownAuditSuspended,
OfflineSuspended: node.OfflineSuspended,
OfflineUnderReview: reputationInfo.UnderReview,
VettedAt: node.Reputation.Status.VettedAt,
AuditHistory: reputation.DuplicateAuditHistory(reputationInfo.AuditHistory),
JoinedAt: node.CreatedAt,
}, nil
}
// DailyStorageUsage returns slice of daily storage usage for given period of time sorted in ASC order by date.
func (e *Endpoint) DailyStorageUsage(ctx context.Context, req *pb.DailyStorageUsageRequest) (_ *pb.DailyStorageUsageResponse, err error) {
defer mon.Task()(&ctx)(&err)
peer, err := identity.PeerIdentityFromContext(ctx)
if err != nil {
return nil, rpcstatus.Error(rpcstatus.Unauthenticated, err.Error())
}
node, err := e.overlay.Get(ctx, peer.ID)
if err != nil {
if overlay.ErrNodeNotFound.Has(err) {
return nil, nil
}
e.log.Error("overlay.Get failed", zap.Error(err))
return nil, rpcstatus.Error(rpcstatus.Internal, err.Error())
}
nodeSpaceUsages, err := e.accounting.QueryStorageNodeUsage(ctx, node.Id, req.GetFrom(), req.GetTo())
if err != nil {
e.log.Error("accounting.QueryStorageNodeUsage failed", zap.Error(err))
return nil, rpcstatus.Error(rpcstatus.Internal, err.Error())
}
return &pb.DailyStorageUsageResponse{
NodeId: node.Id,
DailyStorageUsage: toProtoDailyStorageUsage(nodeSpaceUsages),
}, nil
}
var dollarsToCents = decimal.NewFromInt(100)
var dollarsPerGBHourTocentsPerTBMonth = decimal.NewFromInt(100 * 1000 * 720)
// PricingModel returns pricing model for storagenode.
func (e *Endpoint) PricingModel(ctx context.Context, req *pb.PricingModelRequest) (_ *pb.PricingModelResponse, err error) {
defer mon.Task()(&ctx)(&err)
// PricingModelResponse wants cents/TB and cents/TB-mo.
// e.compConfig values are in $/TB and $/GB-h.
// For converting monthly rates into hourly rates, months have been
// standardized as being a 720 hour interval. This pricing model response
// is purely for display and is okay to convert backwards.
return &pb.PricingModelResponse{
EgressBandwidthPrice: decimal.Decimal(e.compConfig.Rates.GetTB).Mul(dollarsToCents).IntPart(),
RepairBandwidthPrice: decimal.Decimal(e.compConfig.Rates.GetRepairTB).Mul(dollarsToCents).IntPart(),
AuditBandwidthPrice: decimal.Decimal(e.compConfig.Rates.GetAuditTB).Mul(dollarsToCents).IntPart(),
DiskSpacePrice: decimal.Decimal(e.compConfig.Rates.AtRestGBHours).Mul(dollarsPerGBHourTocentsPerTBMonth).IntPart(),
}, nil
}
// toProtoDailyStorageUsage converts StorageNodeUsage to PB DailyStorageUsageResponse_StorageUsage.
func toProtoDailyStorageUsage(usages []accounting.StorageNodeUsage) []*pb.DailyStorageUsageResponse_StorageUsage {
var pbUsages []*pb.DailyStorageUsageResponse_StorageUsage
for _, usage := range usages {
pbUsages = append(pbUsages, &pb.DailyStorageUsageResponse_StorageUsage{
AtRestTotal: usage.StorageUsed,
Timestamp: usage.Timestamp,
IntervalEndTime: usage.IntervalEndTime,
})
}
return pbUsages
}
// calculateReputationScore is helper method to calculate reputation score value.
func calculateReputationScore(alpha, beta float64) float64 {
return alpha / (alpha + beta)
}