95 lines
2.4 KiB
Go
95 lines
2.4 KiB
Go
// Copyright (C) 2019 Storj Labs, Inc.
|
|
// See LICENSE for copying information.
|
|
|
|
package audit
|
|
|
|
import (
|
|
"context"
|
|
"time"
|
|
|
|
"go.uber.org/zap"
|
|
|
|
"storj.io/storj/pkg/identity"
|
|
"storj.io/storj/pkg/overlay"
|
|
"storj.io/storj/pkg/pointerdb"
|
|
"storj.io/storj/pkg/statdb"
|
|
"storj.io/storj/pkg/transport"
|
|
)
|
|
|
|
// Config contains configurable values for audit service
|
|
type Config struct {
|
|
MaxRetriesStatDB int `help:"max number of times to attempt updating a statdb batch" default:"3"`
|
|
Interval time.Duration `help:"how frequently segments are audited" default:"30s"`
|
|
}
|
|
|
|
// Service helps coordinate Cursor and Verifier to run the audit process continuously
|
|
type Service struct {
|
|
log *zap.Logger
|
|
Cursor *Cursor
|
|
Verifier *Verifier
|
|
Reporter reporter
|
|
ticker *time.Ticker
|
|
}
|
|
|
|
// NewService instantiates a Service with access to a Cursor and Verifier
|
|
func NewService(log *zap.Logger, sdb statdb.DB, interval time.Duration, maxRetries int, pointers *pointerdb.Service, allocation *pointerdb.AllocationSigner, transport transport.Client, overlay *overlay.Cache, identity *identity.FullIdentity) (service *Service, err error) {
|
|
// TODO: instead of overlay.Client use overlay.Service
|
|
cursor := NewCursor(pointers, allocation, identity)
|
|
verifier := NewVerifier(transport, overlay, identity)
|
|
reporter, err := NewReporter(sdb, maxRetries)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return &Service{
|
|
log: log,
|
|
Cursor: cursor,
|
|
Verifier: verifier,
|
|
Reporter: reporter,
|
|
ticker: time.NewTicker(interval),
|
|
}, nil
|
|
}
|
|
|
|
// Run runs auditing service
|
|
func (service *Service) Run(ctx context.Context) (err error) {
|
|
defer mon.Task()(&ctx)(&err)
|
|
service.log.Info("Audit cron is starting up")
|
|
|
|
for {
|
|
err := service.process(ctx)
|
|
if err != nil {
|
|
service.log.Error("process", zap.Error(err))
|
|
}
|
|
|
|
select {
|
|
case <-service.ticker.C:
|
|
case <-ctx.Done():
|
|
return ctx.Err()
|
|
}
|
|
}
|
|
}
|
|
|
|
// process picks a random stripe and verifies correctness
|
|
func (service *Service) process(ctx context.Context) error {
|
|
stripe, err := service.Cursor.NextStripe(ctx)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if stripe == nil {
|
|
return nil
|
|
}
|
|
|
|
verifiedNodes, err := service.Verifier.verify(ctx, stripe)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
// TODO(moby) we need to decide if we want to do something with nodes that the reporter failed to update
|
|
_, err = service.Reporter.RecordAudits(ctx, verifiedNodes)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
return nil
|
|
}
|