frostfs-node/pkg/services/replicator/process.go

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package replicator
import (
"context"
"git.frostfs.info/TrueCloudLab/frostfs-node/internal/logs"
"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/engine"
putsvc "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/services/object/put"
tracingPkg "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/tracing"
"git.frostfs.info/TrueCloudLab/frostfs-observability/tracing"
"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/netmap"
"go.opentelemetry.io/otel/attribute"
"go.opentelemetry.io/otel/trace"
"go.uber.org/zap"
)
// TaskResult is a replication result interface.
type TaskResult interface {
// SubmitSuccessfulReplication submits the successful object replication
// to the given node.
SubmitSuccessfulReplication(netmap.NodeInfo)
}
// HandleTask executes replication task inside invoking goroutine.
// Passes all the nodes that accepted the replication to the TaskResult.
func (p *Replicator) HandleTask(ctx context.Context, task Task, res TaskResult) {
p.metrics.IncInFlightRequest()
defer p.metrics.DecInFlightRequest()
defer func() {
p.log.Debug(logs.ReplicatorFinishWork,
zap.Uint32("amount of unfinished replicas", task.NumCopies),
)
}()
ctx, span := tracing.StartSpanFromContext(ctx, "Replicator.HandleTask",
trace.WithAttributes(
attribute.Stringer("address", task.Addr),
attribute.Int64("number_of_copies", int64(task.NumCopies)),
))
defer span.End()
if task.Obj == nil {
var err error
task.Obj, err = engine.Get(ctx, p.localStorage, task.Addr)
if err != nil {
p.log.Error(logs.ReplicatorCouldNotGetObjectFromLocalStorage,
zap.Stringer("object", task.Addr),
zap.Error(err),
zap.String("trace_id", tracingPkg.GetTraceID(ctx)))
return
}
}
prm := new(putsvc.RemotePutPrm).
WithObject(task.Obj)
for i := 0; task.NumCopies > 0 && i < len(task.Nodes); i++ {
select {
case <-ctx.Done():
return
default:
}
log := p.log.With(
zap.String("node", netmap.StringifyPublicKey(task.Nodes[i])),
zap.Stringer("object", task.Addr),
zap.String("trace_id", tracingPkg.GetTraceID(ctx)),
)
callCtx, cancel := context.WithTimeout(ctx, p.putTimeout)
err := p.remoteSender.PutObject(callCtx, prm.WithNodeInfo(task.Nodes[i]))
cancel()
if err != nil {
log.Error(logs.ReplicatorCouldNotReplicateObject,
zap.String("error", err.Error()),
)
} else {
log.Debug(logs.ReplicatorObjectSuccessfullyReplicated)
task.NumCopies--
res.SubmitSuccessfulReplication(task.Nodes[i])
p.metrics.IncProcessedObjects()
p.metrics.AddPayloadSize(int64(task.Obj.PayloadSize()))
}
}
}