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[#1523] local_object_storage: Unify parameters for the `Exists` operation 

Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
support/v0.34
Evgenii Stratonikov 2022-07-06 15:10:21 +03:00 committed by fyrchik
parent d75d030a90
commit ca15083a50
6 changed files with 51 additions and 59 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
pkg/local_object_storage/blobstor/blobovniczatree/exists.go
View File

@ -4,23 +4,23 @@ import (
"path/filepath"
"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/blobovnicza"
oid "github.com/nspcc-dev/neofs-sdk-go/object/id"
"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/blobstor/common"
"go.uber.org/zap"
)
func (b *Blobovniczas) Exists(addr oid.Address) (bool, error) {
func (b *Blobovniczas) Exists(prm common.ExistsPrm) (common.ExistsRes, error) {
activeCache := make(map[string]struct{})
var prm blobovnicza.GetPrm
prm.SetAddress(addr)
var gPrm blobovnicza.GetPrm
gPrm.SetAddress(prm.Address)
var found bool
err := b.iterateSortedLeaves(&addr, func(p string) (bool, error) {
err := b.iterateSortedLeaves(&prm.Address, func(p string) (bool, error) {
dirPath := filepath.Dir(p)
_, ok := activeCache[dirPath]
_, err := b.getObjectFromLevel(prm, p, !ok)
_, err := b.getObjectFromLevel(gPrm, p, !ok)
if err != nil {
if !blobovnicza.IsErrNotFound(err) {
b.log.Debug("could not get object from level",
@ -34,5 +34,5 @@ func (b *Blobovniczas) Exists(addr oid.Address) (bool, error) {
return found, nil
})
return found, err
return common.ExistsRes{Exists: found}, err
}

13
pkg/local_object_storage/blobstor/common/exists.go 100644
View File

@ -0,0 +1,13 @@
package common
import oid "github.com/nspcc-dev/neofs-sdk-go/object/id"
// ExistsPrm groups the parameters of Exists operation.
type ExistsPrm struct {
Address oid.Address
}
// ExistsRes groups the resulting values of Exists operation.
type ExistsRes struct {
Exists bool
}

47
pkg/local_object_storage/blobstor/exists.go
View File

@ -3,33 +3,18 @@ package blobstor
import (
"errors"
"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/blobstor/common"
"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/blobstor/fstree"
oid "github.com/nspcc-dev/neofs-sdk-go/object/id"
"go.uber.org/zap"
)
// ExistsPrm groups the parameters of Exists operation.
type ExistsPrm struct {
address
}
// ExistsRes groups the resulting values of Exists operation.
type ExistsRes struct {
exists bool
}
// Exists returns the fact that the object is in BLOB storage.
func (r ExistsRes) Exists() bool {
return r.exists
}
// Exists checks if the object is presented in BLOB storage.
//
// Returns any error encountered that did not allow
// to completely check object existence.
func (b *BlobStor) Exists(prm ExistsPrm) (ExistsRes, error) {
func (b *BlobStor) Exists(prm common.ExistsPrm) (common.ExistsRes, error) {
// check presence in shallow dir first (cheaper)
exists, err := b.existsBig(prm.addr)
res, err := b.existsBig(prm)
// If there was an error during existence check below,
// it will be returned unless object was found in blobovnicza.
@ -40,13 +25,13 @@ func (b *BlobStor) Exists(prm ExistsPrm) (ExistsRes, error) {
// error | found | log the error, return true, nil
// error | not found | return the error
// error | error | log the first error, return the second
if !exists {
if !res.Exists {
var smallErr error
exists, smallErr = b.existsSmall(prm.addr)
if err != nil && (smallErr != nil || exists) {
res, smallErr = b.existsSmall(prm)
if err != nil && (smallErr != nil || res.Exists) {
b.log.Warn("error occured during object existence checking",
zap.Stringer("address", prm.addr),
zap.Stringer("address", prm.Address),
zap.String("error", err.Error()))
err = nil
}
@ -55,24 +40,20 @@ func (b *BlobStor) Exists(prm ExistsPrm) (ExistsRes, error) {
}
}
if err != nil {
return ExistsRes{}, err
}
return ExistsRes{exists: exists}, err
return res, err
}
// checks if object is presented in shallow dir.
func (b *BlobStor) existsBig(addr oid.Address) (bool, error) {
_, err := b.fsTree.Exists(addr)
func (b *BlobStor) existsBig(prm common.ExistsPrm) (common.ExistsRes, error) {
_, err := b.fsTree.Exists(prm.Address)
if errors.Is(err, fstree.ErrFileNotFound) {
return false, nil
return common.ExistsRes{}, nil
}
return err == nil, err
return common.ExistsRes{Exists: err == nil}, err
}
// existsSmall checks if object is presented in blobovnicza.
func (b *BlobStor) existsSmall(addr oid.Address) (bool, error) {
return b.blobovniczas.Exists(addr)
func (b *BlobStor) existsSmall(prm common.ExistsPrm) (common.ExistsRes, error) {
return b.blobovniczas.Exists(prm)
}

17
pkg/local_object_storage/blobstor/exists_test.go
View File

@ -6,6 +6,7 @@ import (
"testing"
objectCore "github.com/nspcc-dev/neofs-node/pkg/core/object"
"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/blobstor/common"
cidtest "github.com/nspcc-dev/neofs-sdk-go/container/id/test"
objectSDK "github.com/nspcc-dev/neofs-sdk-go/object"
oidtest "github.com/nspcc-dev/neofs-sdk-go/object/id/test"
@ -37,19 +38,19 @@ func TestExists(t *testing.T) {
require.NoError(t, err)
}
var prm ExistsPrm
var prm common.ExistsPrm
for i := range objects {
prm.SetAddress(objectCore.AddressOf(objects[i]))
prm.Address = objectCore.AddressOf(objects[i])
res, err := b.Exists(prm)
require.NoError(t, err)
require.True(t, res.Exists())
require.True(t, res.Exists)
}
prm.SetAddress(oidtest.Address())
prm.Address = oidtest.Address()
res, err := b.Exists(prm)
require.NoError(t, err)
require.False(t, res.Exists())
require.False(t, res.Exists)
t.Run("corrupt direcrory", func(t *testing.T) {
var bigDir string
@ -67,13 +68,13 @@ func TestExists(t *testing.T) {
t.Cleanup(func() { require.NoError(t, os.Chmod(dir, b.fsTree.Permissions)) })
// Object exists, first error is logged.
prm.SetAddress(objectCore.AddressOf(objects[0]))
prm.Address = objectCore.AddressOf(objects[0])
res, err := b.Exists(prm)
require.NoError(t, err)
require.True(t, res.Exists())
require.True(t, res.Exists)
// Object doesn't exist, first error is returned.
prm.SetAddress(objectCore.AddressOf(objects[1]))
prm.Address = objectCore.AddressOf(objects[1])
_, err = b.Exists(prm)
require.Error(t, err)
})

10
pkg/local_object_storage/shard/exists.go
View File

@ -1,7 +1,7 @@
package shard
import (
"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/blobstor"
"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/blobstor/common"
meta "github.com/nspcc-dev/neofs-node/pkg/local_object_storage/metabase"
oid "github.com/nspcc-dev/neofs-sdk-go/object/id"
)
@ -38,12 +38,12 @@ func (s *Shard) Exists(prm ExistsPrm) (ExistsRes, error) {
var err error
if s.GetMode().NoMetabase() {
var p blobstor.ExistsPrm
p.SetAddress(prm.addr)
var p common.ExistsPrm
p.Address = prm.addr
var res blobstor.ExistsRes
var res common.ExistsRes
res, err = s.blobStor.Exists(p)
exists = res.Exists()
exists = res.Exists
} else {
var existsPrm meta.ExistsPrm
existsPrm.SetAddress(prm.addr)

9
pkg/local_object_storage/writecache/init.go
View File

@ -4,7 +4,7 @@ import (
"errors"
"github.com/nspcc-dev/neofs-node/pkg/core/object"
"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/blobstor"
"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/blobstor/common"
"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/blobstor/fstree"
meta "github.com/nspcc-dev/neofs-node/pkg/local_object_storage/metabase"
apistatus "github.com/nspcc-dev/neofs-sdk-go/client/status"
@ -75,9 +75,6 @@ func (c *cache) isFlushed(addr oid.Address) bool {
return false
}
var prm blobstor.ExistsPrm
prm.SetAddress(addr)
res, err := c.blobstor.Exists(prm)
return err == nil && res.Exists()
res, err := c.blobstor.Exists(common.ExistsPrm{Address: addr})
return err == nil && res.Exists
}