77 lines
1.6 KiB
Go
77 lines
1.6 KiB
Go
// Copyright (C) 2018 Storj Labs, Inc.
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// See LICENSE for copying information.
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package repairer
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import (
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"context"
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"time"
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"go.uber.org/zap"
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"storj.io/storj/internal/sync2"
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q "storj.io/storj/pkg/datarepair/queue"
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"storj.io/storj/pkg/pb"
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)
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// Repairer is the interface for the data repair queue
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type Repairer interface {
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Repair(seg *pb.InjuredSegment) error
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Run() error
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}
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// repairer holds important values for data repair
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type repairer struct {
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ctx context.Context
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queue q.RepairQueue
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limiter *sync2.Limiter
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ticker *time.Ticker
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}
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func newRepairer(ctx context.Context, queue q.RepairQueue, interval time.Duration, concurrency int) *repairer {
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return &repairer{
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ctx: ctx,
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queue: queue,
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limiter: sync2.NewLimiter(concurrency),
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ticker: time.NewTicker(interval),
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}
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}
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// Run the repairer loop
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func (r *repairer) Run() (err error) {
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defer mon.Task()(&r.ctx)(&err)
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// wait for all repairs to complete
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defer r.limiter.Wait()
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for {
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select {
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case <-r.ticker.C: // wait for the next interval to happen
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case <-r.ctx.Done(): // or the repairer is canceled via context
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return r.ctx.Err()
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}
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seg, err := r.queue.Dequeue()
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if err != nil {
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// TODO: only log when err != ErrQueueEmpty
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zap.L().Error("dequeue", zap.Error(err))
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continue
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}
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r.limiter.Go(r.ctx, func() {
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err := r.Repair(&seg)
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if err != nil {
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zap.L().Error("Repair failed", zap.Error(err))
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}
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})
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}
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}
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// Repair starts repair of the segment
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func (r *repairer) Repair(seg *pb.InjuredSegment) (err error) {
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defer mon.Task()(&r.ctx)(&err)
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// TODO:
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zap.L().Debug("Repairing", zap.Any("segment", seg))
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return err
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}
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