140 lines
3.7 KiB
Go
140 lines
3.7 KiB
Go
// Copyright (C) 2019 Storj Labs, Inc.
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// See LICENSE for copying information.
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package audit
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import (
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"context"
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"time"
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"github.com/zeebo/errs"
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"go.uber.org/zap"
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"storj.io/storj/internal/memory"
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"storj.io/storj/internal/sync2"
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"storj.io/storj/pkg/identity"
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"storj.io/storj/pkg/overlay"
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"storj.io/storj/pkg/storj"
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"storj.io/storj/pkg/transport"
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"storj.io/storj/satellite/metainfo"
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"storj.io/storj/satellite/orders"
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)
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// Error is the default audit errs class
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var Error = errs.Class("audit error")
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// Config contains configurable values for audit service
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type Config struct {
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MaxRetriesStatDB int `help:"max number of times to attempt updating a statdb batch" default:"3"`
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Interval time.Duration `help:"how frequently segments are audited" default:"30s"`
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MinBytesPerSecond memory.Size `help:"the minimum acceptable bytes that storage nodes can transfer per second to the satellite" default:"128B"`
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MaxReverifyCount int `help:"limit above which we consider an audit is failed" default:"3"`
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}
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// Service helps coordinate Cursor and Verifier to run the audit process continuously
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type Service struct {
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log *zap.Logger
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Cursor *Cursor
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Verifier *Verifier
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Reporter reporter
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Loop sync2.Cycle
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}
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// NewService instantiates a Service with access to a Cursor and Verifier
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func NewService(log *zap.Logger, config Config, metainfo *metainfo.Service,
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orders *orders.Service, transport transport.Client, overlay *overlay.Cache,
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containment Containment, identity *identity.FullIdentity) (service *Service, err error) {
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return &Service{
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log: log,
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Cursor: NewCursor(metainfo),
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Verifier: NewVerifier(log.Named("audit:verifier"), NewReporter(overlay, containment, config.MaxRetriesStatDB, int32(config.MaxReverifyCount)), transport, overlay, containment, orders, identity, config.MinBytesPerSecond),
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Reporter: NewReporter(overlay, containment, config.MaxRetriesStatDB, int32(config.MaxReverifyCount)),
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Loop: *sync2.NewCycle(config.Interval),
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}, nil
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}
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// Run runs auditing service
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func (service *Service) Run(ctx context.Context) (err error) {
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defer mon.Task()(&ctx)(&err)
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service.log.Info("Audit cron is starting up")
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return service.Loop.Run(ctx, func(ctx context.Context) error {
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err := service.process(ctx)
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if err != nil {
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service.log.Error("process", zap.Error(err))
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}
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return nil
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})
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}
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// Close halts the audit loop
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func (service *Service) Close() error {
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service.Loop.Close()
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return nil
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}
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// process picks a random stripe and verifies correctness
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func (service *Service) process(ctx context.Context) error {
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var stripe *Stripe
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for {
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s, more, err := service.Cursor.NextStripe(ctx)
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if err != nil {
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return err
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}
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if s != nil {
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stripe = s
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break
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}
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if !more {
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return nil
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}
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}
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var errlist errs.Group
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report, err := service.Verifier.Reverify(ctx, stripe)
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if err != nil {
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errlist.Add(err)
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}
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// TODO(moby) we need to decide if we want to do something with nodes that the reporter failed to update
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_, err = service.Reporter.RecordAudits(ctx, report)
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if err != nil {
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errlist.Add(err)
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}
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// skip all reverified nodes in the next Verify step
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skip := make(map[storj.NodeID]bool)
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if report != nil {
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for _, nodeID := range report.Successes {
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skip[nodeID] = true
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}
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for _, nodeID := range report.Offlines {
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skip[nodeID] = true
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}
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for _, nodeID := range report.Fails {
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skip[nodeID] = true
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}
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for _, pending := range report.PendingAudits {
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skip[pending.NodeID] = true
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}
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}
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report, err = service.Verifier.Verify(ctx, stripe, skip)
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if err != nil {
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errlist.Add(err)
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}
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// TODO(moby) we need to decide if we want to do something with nodes that the reporter failed to update
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_, err = service.Reporter.RecordAudits(ctx, report)
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if err != nil {
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errlist.Add(err)
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}
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return errlist.Err()
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}
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