frostfs-node/pkg/services/object/get/assembleec.go

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package getsvc
import (
"context"
"errors"
"git.frostfs.info/TrueCloudLab/frostfs-node/internal/logs"
apistatus "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/client/status"
objectSDK "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object"
"go.uber.org/zap"
)
func (r *request) assembleEC(ctx context.Context) {
if r.isRaw() && r.isLocal() {
r.log.Debug(logs.GetCanNotAssembleTheObject)
return
}
// Any access tokens are not expected to be used in the assembly process:
// - there is no requirement to specify child objects in session/bearer
// token for `GET`/`GETRANGE`/`RANGEHASH` requests in the API protocol,
// and, therefore, their missing in the original request should not be
// considered as error; on the other hand, without session for every child
// object, it is impossible to attach bearer token in the new generated
// requests correctly because the token has not been issued for that node's
// key;
// - the assembly process is expected to be handled on a container node
// only since the requests forwarding mechanism presentation; such the
// node should have enough rights for getting any child object by design.
r.prm.common.ForgetTokens()
// Do not use forwarding during assembly stage.
// Request forwarding closure inherited in produced
// `execCtx` so it should be disabled there.
r.disableForwarding()
r.log.Debug(logs.GetTryingToAssembleTheECObject)
// initialize epoch number
ok := r.initEpoch()
if !ok {
return
}
r.prm.common = r.prm.common.WithLocalOnly(false)
assembler := newAssemblerEC(r.address(), r.infoEC, r.ctxRange(), r, r.localStorage, r.containerSource, r.log, r.headOnly(), r.isRaw(), r.traverserGenerator, r.curProcEpoch)
r.log.Debug(logs.GetAssemblingECObject,
zap.Uint64("range_offset", r.ctxRange().GetOffset()),
zap.Uint64("range_length", r.ctxRange().GetLength()),
)
defer r.log.Debug(logs.GetAssemblingECObjectCompleted,
zap.Uint64("range_offset", r.ctxRange().GetOffset()),
zap.Uint64("range_length", r.ctxRange().GetLength()),
)
obj, err := assembler.Assemble(ctx, r.prm.objWriter)
if err != nil && !errors.As(err, new(*objectSDK.ECInfoError)) {
r.log.Warn(logs.GetFailedToAssembleECObject,
zap.Error(err),
zap.Uint64("range_offset", r.ctxRange().GetOffset()),
zap.Uint64("range_length", r.ctxRange().GetLength()),
)
}
var errRemoved *apistatus.ObjectAlreadyRemoved
var errOutOfRange *apistatus.ObjectOutOfRange
var errECInfo *objectSDK.ECInfoError
switch {
default:
r.status = statusUndefined
r.err = err
case err == nil:
r.status = statusOK
r.err = nil
r.collectedObject = obj
case errors.As(err, &errRemoved):
r.status = statusINHUMED
r.err = errRemoved
case errors.As(err, &errOutOfRange):
r.status = statusOutOfRange
r.err = errOutOfRange
case errors.As(err, &errECInfo):
r.status = statusEC
r.err = err
}
}