59 lines
1.9 KiB
Go
59 lines
1.9 KiB
Go
// Copyright (C) 2018 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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"storj.io/storj/pkg/overlay"
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"storj.io/storj/pkg/pointerdb/pdbclient"
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"storj.io/storj/pkg/provider"
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"storj.io/storj/pkg/transport"
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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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Cursor *Cursor
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Verifier *Verifier
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Reporter reporter
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}
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// Config contains configurable values for audit service
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type Config struct {
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StatDBPort string `help:"port to contact statDB client" default:":9090"`
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MaxRetriesStatDB int `help:"max number of times to attempt updating a statdb batch" default:"3"`
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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(ctx context.Context, statDBPort string, maxRetries int, pointers pdbclient.Client, transport transport.Client, overlay overlay.Client,
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id provider.FullIdentity) (service *Service, err error) {
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cursor := NewCursor(pointers)
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verifier := NewVerifier(transport, overlay, id)
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reporter, err := NewReporter(ctx, statDBPort, maxRetries)
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if err != nil {
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return nil, err
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}
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return &Service{Cursor: cursor, Verifier: verifier, Reporter: reporter}, nil
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}
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// Run calls Cursor and Verifier to continuously request random pointers, then verify data correctness at
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// a random stripe within a segment
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func (service *Service) Run(ctx context.Context) (err error) {
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// TODO(James): make this function run indefinitely instead of once
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stripe, 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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verifiedNodes, err := service.Verifier.verify(ctx, stripe.Index, stripe.Segment)
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if err != nil {
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return err
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}
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err = service.Reporter.RecordAudits(ctx, verifiedNodes)
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// TODO: if Error.Has(err) then log the error because it means not all node stats updated
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if !Error.Has(err) && err != nil {
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return err
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}
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return nil
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}
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