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[#1186] engine: Allow to skip metabase in GetRange

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Similarly to `Get`. Also fix a bug where `ErrNotFound` is returned
instead of `ErrRangeOutOfBounds`.

Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
This commit is contained in:
Evgenii Stratonikov 2022-03-04 15:57:43 +03:00 • committed by Alex Vanin
parent 2b5550ccf6
commit 1fe9cd4d36
6 changed files with 72 additions and 10 deletions
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32
pkg/local_object_storage/engine/range.go
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@ -8,6 +8,7 @@ import (
"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/util"
objectSDK "github.com/nspcc-dev/neofs-sdk-go/object"
addressSDK "github.com/nspcc-dev/neofs-sdk-go/object/address"
"go.uber.org/zap"
)
// RngPrm groups the parameters of GetRange operation.
@ -82,6 +83,9 @@ func (e *StorageEngine) getRange(prm *RngPrm) (*RngRes, error) {
outSI *objectSDK.SplitInfo
outError = object.ErrNotFound
shardWithMeta hashedShard
metaError error
)
shPrm := new(shard.RngPrm).
@ -91,6 +95,10 @@ func (e *StorageEngine) getRange(prm *RngPrm) (*RngRes, error) {
e.iterateOverSortedShards(prm.addr, func(_ int, sh hashedShard) (stop bool) {
res, err := sh.GetRange(shPrm)
if err != nil {
if res.HasMeta() {
shardWithMeta = sh
metaError = err
}
switch {
case errors.Is(err, object.ErrNotFound):
return false // ignore, go to next shard
@ -131,7 +139,29 @@ func (e *StorageEngine) getRange(prm *RngPrm) (*RngRes, error) {
}
if obj == nil {
return nil, outError
if shardWithMeta.Shard == nil || !errors.Is(outError, object.ErrNotFound) {
return nil, outError
}
// If the object is not found but is present in metabase,
// try to fetch it from blobstor directly. If it is found in any
// blobstor, increase the error counter for the shard which contains the meta.
shPrm = shPrm.WithIgnoreMeta(true)
e.iterateOverSortedShards(prm.addr, func(_ int, sh hashedShard) (stop bool) {
res, err := sh.GetRange(shPrm)
if errors.Is(err, object.ErrRangeOutOfBounds) {
outError = object.ErrRangeOutOfBounds
return true
}
obj = res.Object()
return err == nil
})
if obj == nil {
return nil, outError
}
e.reportShardError(shardWithMeta, "meta info was present, but object is missing",
metaError, zap.Stringer("address", prm.addr))
}
return &RngRes{