storj/pkg/datarepair/repairer/config.go

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// Copyright (C) 2018 Storj Labs, Inc.
// See LICENSE for copying information.
package repairer
import (
"context"
"time"
"go.uber.org/zap"
"storj.io/storj/pkg/datarepair/queue"
"storj.io/storj/pkg/overlay"
"storj.io/storj/pkg/pointerdb/pdbclient"
"storj.io/storj/pkg/provider"
"storj.io/storj/pkg/storage/ec"
"storj.io/storj/pkg/storage/segments"
"storj.io/storj/storage/redis"
)
// Config contains configurable values for repairer
type Config struct {
QueueAddress string `help:"data repair queue address" default:"redis://127.0.0.1:6378?db=1&password=abc123"`
MaxRepair int `help:"maximum segments that can be repaired concurrently" default:"100"`
Interval time.Duration `help:"how frequently checker should audit segments" default:"3600s"`
OverlayAddr string `help:"Address to contact overlay server through"`
PointerDBAddr string `help:"Address to contact pointerdb server through"`
MaxBufferMem int `help:"maximum buffer memory (in bytes) to be allocated for read buffers" default:"0x400000"`
APIKey string `help:"repairer-specific pointerdb access credential"`
}
// Run runs the repair service with configured values
func (c Config) Run(ctx context.Context, server *provider.Provider) (err error) {
redisQ, err := redis.NewQueueFrom(c.QueueAddress)
if err != nil {
return Error.Wrap(err)
}
queue := queue.NewQueue(redisQ)
repairer, err := c.getSegmentRepairer(ctx, server.Identity())
if err != nil {
return Error.Wrap(err)
}
service := newService(queue, repairer, c.Interval, c.MaxRepair)
ctx, cancel := context.WithCancel(ctx)
// TODO(coyle): we need to figure out how to propagate the error up to cancel the service
go func() {
if err := service.Run(ctx); err != nil {
defer cancel()
zap.L().Error("Error running repair service", zap.Error(err))
}
}()
return server.Run(ctx)
}
// getSegmentRepairer creates a new segment repairer from storeConfig values
func (c Config) getSegmentRepairer(ctx context.Context, identity *provider.FullIdentity) (ss SegmentRepairer, err error) {
defer mon.Task()(&ctx)(&err)
var oc overlay.Client
oc, err = overlay.NewOverlayClient(identity, c.OverlayAddr)
if err != nil {
return nil, err
}
pdb, err := pdbclient.NewClient(identity, c.PointerDBAddr, c.APIKey)
if err != nil {
return nil, err
}
ec := ecclient.NewClient(identity, c.MaxBufferMem)
return segments.NewSegmentRepairer(oc, ec, pdb), nil
}