r.loginov/frostfs-s3-gw
1
0
Fork 0
forked from TrueCloudLab/frostfs-s3-gw
Code Pull requests Activity

[#122] Refactor

Browse source 
Signed-off-by: Denis Kirillov <denis@nspcc.ru>
This commit is contained in:
Denis Kirillov 2021-08-19 09:55:22 +03:00
parent 11558124cd
commit 4bb885d526
21 changed files with 550 additions and 466 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

13
api/cache/bucket.go → api/cache/buckets.go vendored
View file

@ -22,6 +22,7 @@ type (
CID *cid.ID
Owner *owner.ID
Created time.Time
BasicACL uint32
}
// GetBucketCache contains cache with objects and lifetime of cache entries.
@ -62,3 +63,15 @@ func (o *GetBucketCache) Put(bkt *BucketInfo) error {
func (o *GetBucketCache) Delete(key string) bool {
return o.cache.Remove(key)
}
const bktVersionSettingsObject = ".s3-versioning-settings"
// SettingsObjectName is system name for bucket settings file.
func (b *BucketInfo) SettingsObjectName() string {
return bktVersionSettingsObject
}
// SettingsObjectKey is key to use in SystemCache.
func (b *BucketInfo) SettingsObjectKey() string {
return b.Name + bktVersionSettingsObject
}

22
api/cache/head_cache.go → api/cache/names.go vendored
View file

@ -7,30 +7,32 @@ import (
"github.com/nspcc-dev/neofs-api-go/pkg/object"
)
// HeadObjectsCache provides interface for lru cache for objects.
type HeadObjectsCache interface {
// ObjectsNameCache provides interface for lru cache for objects.
// This cache contains mapping nice name to object addresses.
// Key is bucketName+objectName.
type ObjectsNameCache interface {
Get(key string) *object.Address
Put(key string, address *object.Address) error
Delete(key string) bool
}
type (
// HeadObjectCache contains cache with objects and lifetime of cache entries.
HeadObjectCache struct {
// NameCache contains cache with objects and lifetime of cache entries.
NameCache struct {
cache gcache.Cache
lifetime time.Duration
}
)
// NewHeadObject creates an object of ObjectHeadersCache.
func NewHeadObject(cacheSize int, lifetime time.Duration) *HeadObjectCache {
// NewObjectsNameCache creates an object of ObjectsNameCache.
func NewObjectsNameCache(cacheSize int, lifetime time.Duration) *NameCache {
gc := gcache.New(cacheSize).LRU().Build()
return &HeadObjectCache{cache: gc, lifetime: lifetime}
return &NameCache{cache: gc, lifetime: lifetime}
}
// Get returns cached object.
func (o *HeadObjectCache) Get(key string) *object.Address {
func (o *NameCache) Get(key string) *object.Address {
entry, err := o.cache.Get(key)
if err != nil {
return nil
@ -45,11 +47,11 @@ func (o *HeadObjectCache) Get(key string) *object.Address {
}
// Put puts an object to cache.
func (o *HeadObjectCache) Put(key string, address *object.Address) error {
func (o *NameCache) Put(key string, address *object.Address) error {
return o.cache.SetWithExpire(key, address, o.lifetime)
}
// Delete deletes an object from cache.
func (o *HeadObjectCache) Delete(key string) bool {
func (o *NameCache) Delete(key string) bool {
return o.cache.Remove(key)
}

1
api/cache/object_cache_test.go vendored
View file

@ -5,7 +5,6 @@ import (
"time"
"github.com/nspcc-dev/neofs-api-go/pkg/object"
objecttest "github.com/nspcc-dev/neofs-api-go/pkg/object/test"
"github.com/stretchr/testify/require"
)

19
api/cache/system.go vendored
View file

@ -3,35 +3,36 @@ package cache
import (
"time"
"github.com/nspcc-dev/neofs-api-go/pkg/object"
"github.com/bluele/gcache"
"github.com/nspcc-dev/neofs-api-go/pkg/object"
)
type (
// SystemCache provides interface for lru cache for objects.
// This cache contains "system" objects (bucket versioning settings, tagging object etc.).
// Key is bucketName+systemFileName.
SystemCache interface {
Get(key string) *object.Object
Put(key string, obj *object.Object) error
Delete(key string) bool
}
// systemCache contains cache with objects and lifetime of cache entries.
systemCache struct {
// SysCache contains cache with objects and lifetime of cache entries.
SysCache struct {
cache gcache.Cache
lifetime time.Duration
}
)
// NewSystemCache creates an object of SystemCache.
func NewSystemCache(cacheSize int, lifetime time.Duration) SystemCache {
func NewSystemCache(cacheSize int, lifetime time.Duration) *SysCache {
gc := gcache.New(cacheSize).LRU().Build()
return &systemCache{cache: gc, lifetime: lifetime}
return &SysCache{cache: gc, lifetime: lifetime}
}
// Get returns cached object.
func (o *systemCache) Get(key string) *object.Object {
func (o *SysCache) Get(key string) *object.Object {
entry, err := o.cache.Get(key)
if err != nil {
return nil
@ -46,11 +47,11 @@ func (o *systemCache) Get(key string) *object.Object {
}
// Put puts an object to cache.
func (o *systemCache) Put(key string, obj *object.Object) error {
func (o *SysCache) Put(key string, obj *object.Object) error {
return o.cache.SetWithExpire(key, obj, o.lifetime)
}
// Delete deletes an object from cache.
func (o *systemCache) Delete(key string) bool {
func (o *SysCache) Delete(key string) bool {
return o.cache.Remove(key)
}

28
api/errors/errors.go
View file

@ -1924,26 +1924,18 @@ func GetAPIError(code ErrorCode) Error {
return errorCodes.toAPIErr(ErrInternalError)
}
// GenericError - generic object layer error.
type GenericError struct {
Bucket string
Object string
}
// ObjectAlreadyExists object already exists.
// This type should be removed when s3-gw will support versioning.
type ObjectAlreadyExists GenericError
func (e ObjectAlreadyExists) Error() string {
return "Object: " + e.Bucket + "#" + e.Object + " already exists"
}
// DeleteError - returns when cant remove object.
type DeleteError struct {
// ObjectError - error that linked to specific object.
type ObjectError struct {
Err error
Object string
Version string
}
func (e DeleteError) Error() string {
return fmt.Sprintf("%s (%s)", e.Err, e.Object)
func (e ObjectError) Error() string {
return fmt.Sprintf("%s (%s:%s)", e.Err, e.Object, e.Version)
}
// ObjectVersion get "object:version" string.
func (e ObjectError) ObjectVersion() string {
return e.Object + ":" + e.Version
}

11
api/handler/acl.go
View file

@ -13,6 +13,7 @@ import (
"github.com/nspcc-dev/neofs-api-go/pkg/acl/eacl"
"github.com/nspcc-dev/neofs-api-go/pkg/object"
"github.com/nspcc-dev/neofs-s3-gw/api"
"github.com/nspcc-dev/neofs-s3-gw/api/cache"
"github.com/nspcc-dev/neofs-s3-gw/api/errors"
"github.com/nspcc-dev/neofs-s3-gw/api/layer"
)
@ -239,7 +240,13 @@ func (h *handler) PutObjectACLHandler(w http.ResponseWriter, r *http.Request) {
return
}
if _, err = h.obj.GetObjectInfo(r.Context(), reqInfo.BucketName, reqInfo.ObjectName); err != nil {
p := &layer.HeadObjectParams{
Bucket: reqInfo.BucketName,
Object: reqInfo.ObjectName,
VersionID: reqInfo.URL.Query().Get(api.QueryVersionID),
}
if _, err = h.obj.GetObjectInfo(r.Context(), p); err != nil {
h.logAndSendError(w, "could not get object info", reqInfo, err)
return
}
@ -273,7 +280,7 @@ func (h *handler) GetBucketPolicyHandler(w http.ResponseWriter, r *http.Request)
}
}
func checkOwner(info *layer.BucketInfo, owner string) error {
func checkOwner(info *cache.BucketInfo, owner string) error {
if owner == "" {
return nil
}

38
api/handler/copy.go
View file

@ -32,10 +32,11 @@ func path2BucketObject(path string) (bucket, prefix string) {
func (h *handler) CopyObjectHandler(w http.ResponseWriter, r *http.Request) {
var (
err error
inf *layer.ObjectInfo
info *layer.ObjectInfo
metadata map[string]string
reqInfo = api.GetReqInfo(r.Context())
versionID string
)
src := r.Header.Get("X-Amz-Copy-Source")
@ -45,14 +46,7 @@ func (h *handler) CopyObjectHandler(w http.ResponseWriter, r *http.Request) {
// of the version ID to null. If you have enabled versioning, Amazon S3 assigns a
// unique version ID value for the object.
if u, err := url.Parse(src); err == nil {
// Check if versionId query param was added, if yes then check if
// its non "null" value, we should error out since we do not support
// any versions other than "null".
if vid := u.Query().Get("versionId"); vid != "" && vid != "null" {
h.logAndSendError(w, "no such version", reqInfo, errors.GetAPIError(errors.ErrNoSuchVersion))
return
}
versionID = u.Query().Get(api.QueryVersionID)
src = u.Path
}
@ -66,7 +60,7 @@ func (h *handler) CopyObjectHandler(w http.ResponseWriter, r *http.Request) {
p := &layer.HeadObjectParams{
Bucket: srcBucket,
Object: srcObject,
VersionID: reqInfo.URL.Query().Get("versionId"),
VersionID: versionID,
}
if args.MetadataDirective == replaceMetadataDirective {
@ -85,46 +79,46 @@ func (h *handler) CopyObjectHandler(w http.ResponseWriter, r *http.Request) {
return
}
if inf, err = h.obj.GetObjectInfo(r.Context(), p); err != nil {
if info, err = h.obj.GetObjectInfo(r.Context(), p); err != nil {
h.logAndSendError(w, "could not find object", reqInfo, err)
return
}
if err = checkPreconditions(inf, args.Conditional); err != nil {
if err = checkPreconditions(info, args.Conditional); err != nil {
h.logAndSendError(w, "precondition failed", reqInfo, errors.GetAPIError(errors.ErrPreconditionFailed))
return
}
if metadata == nil {
if len(inf.ContentType) > 0 {
inf.Headers[api.ContentType] = inf.ContentType
if len(info.ContentType) > 0 {
info.Headers[api.ContentType] = info.ContentType
}
metadata = inf.Headers
metadata = info.Headers
} else if contentType := r.Header.Get(api.ContentType); len(contentType) > 0 {
metadata[api.ContentType] = contentType
}
params := &layer.CopyObjectParams{
SrcObject: inf,
SrcObject: info,
DstBucket: reqInfo.BucketName,
DstObject: reqInfo.ObjectName,
SrcSize: inf.Size,
SrcSize: info.Size,
Header: metadata,
}
additional := []zap.Field{zap.String("src_bucket_name", srcBucket), zap.String("src_object_name", srcObject)}
if inf, err = h.obj.CopyObject(r.Context(), params); err != nil {
if info, err = h.obj.CopyObject(r.Context(), params); err != nil {
h.logAndSendError(w, "couldn't copy object", reqInfo, err, additional...)
return
} else if err = api.EncodeToResponse(w, &CopyObjectResponse{LastModified: inf.Created.Format(time.RFC3339), ETag: inf.HashSum}); err != nil {
} else if err = api.EncodeToResponse(w, &CopyObjectResponse{LastModified: info.Created.Format(time.RFC3339), ETag: info.HashSum}); err != nil {
h.logAndSendError(w, "something went wrong", reqInfo, err, additional...)
return
}
h.log.Info("object is copied",
zap.String("bucket", inf.Bucket),
zap.String("object", inf.Name),
zap.Stringer("object_id", inf.ID()))
zap.String("bucket", info.Bucket),
zap.String("object", info.Name),
zap.Stringer("object_id", info.ID()))
}
func parseCopyObjectArgs(headers http.Header) (*copyObjectArgs, error) {

22
api/handler/delete.go
View file

@ -30,6 +30,7 @@ type DeleteError struct {
Code string
Message string
Key string
VersionID string `xml:"versionId,omitempty"`
}
// DeleteObjectsResponse container for multiple object deletes.
@ -47,7 +48,7 @@ func (h *handler) DeleteObjectHandler(w http.ResponseWriter, r *http.Request) {
reqInfo := api.GetReqInfo(r.Context())
versionedObject := []*layer.VersionedObject{{
Name: reqInfo.ObjectName,
VersionID: reqInfo.URL.Query().Get("versionId"),
VersionID: reqInfo.URL.Query().Get(api.QueryVersionID),
}}
if err := h.checkBucketOwner(r, reqInfo.BucketName); err != nil {
@ -99,7 +100,7 @@ func (h *handler) DeleteMultipleObjectsHandler(w http.ResponseWriter, r *http.Re
return
}
removed := make(map[string]struct{})
removed := make(map[string]*layer.VersionedObject)
toRemove := make([]*layer.VersionedObject, 0, len(requested.Objects))
for _, obj := range requested.Objects {
versionedObj := &layer.VersionedObject{
@ -107,7 +108,7 @@ func (h *handler) DeleteMultipleObjectsHandler(w http.ResponseWriter, r *http.Re
VersionID: obj.VersionID,
}
toRemove = append(toRemove, versionedObj)
removed[versionedObj.String()] = struct{}{}
removed[versionedObj.String()] = versionedObj
}
response := &DeleteObjectsResponse{
@ -135,23 +136,26 @@ func (h *handler) DeleteMultipleObjectsHandler(w http.ResponseWriter, r *http.Re
h.logAndSendError(w, "could not delete objects", reqInfo, nil, additional...)
for _, e := range errs {
if err, ok := e.(*errors.DeleteError); ok {
if err, ok := e.(*errors.ObjectError); ok {
code := "BadRequest"
desc := err.Error()
if s3err, ok := err.Err.(errors.Error); ok {
code = s3err.Code
}
response.Errors = append(response.Errors, DeleteError{
Code: code,
Message: desc,
Message: err.Error(),
Key: err.Object,
VersionID: err.Version,
})
delete(removed, err.Object)
delete(removed, err.ObjectVersion())
}
}
}
for key := range removed {
response.DeletedObjects = append(response.DeletedObjects, ObjectIdentifier{ObjectName: key})
for _, val := range removed {
response.DeletedObjects = append(response.DeletedObjects, ObjectIdentifier{ObjectName: val.Name, VersionID: val.VersionID})
}
if err := api.EncodeToResponse(w, response); err != nil {

26
api/handler/get.go
View file

@ -82,7 +82,7 @@ func writeHeaders(h http.Header, info *layer.ObjectInfo) {
func (h *handler) GetObjectHandler(w http.ResponseWriter, r *http.Request) {
var (
err error
inf *layer.ObjectInfo
info *layer.ObjectInfo
params *layer.RangeParams
reqInfo = api.GetReqInfo(r.Context())
@ -102,30 +102,30 @@ func (h *handler) GetObjectHandler(w http.ResponseWriter, r *http.Request) {
p := &layer.HeadObjectParams{
Bucket: reqInfo.BucketName,
Object: reqInfo.ObjectName,
VersionID: reqInfo.URL.Query().Get("versionId"),
VersionID: reqInfo.URL.Query().Get(api.QueryVersionID),
}
if inf, err = h.obj.GetObjectInfo(r.Context(), p); err != nil {
if info, err = h.obj.GetObjectInfo(r.Context(), p); err != nil {
h.logAndSendError(w, "could not find object", reqInfo, err)
return
}
if err = checkPreconditions(inf, args.Conditional); err != nil {
if err = checkPreconditions(info, args.Conditional); err != nil {
h.logAndSendError(w, "precondition failed", reqInfo, err)
return
}
if params, err = fetchRangeHeader(r.Header, uint64(inf.Size)); err != nil {
if params, err = fetchRangeHeader(r.Header, uint64(info.Size)); err != nil {
h.logAndSendError(w, "could not parse range header", reqInfo, err)
return
}
writeHeaders(w.Header(), inf)
writeHeaders(w.Header(), info)
if params != nil {
writeRangeHeaders(w, params, inf.Size)
writeRangeHeaders(w, params, info.Size)
}
getParams := &layer.GetObjectParams{
ObjectInfo: inf,
ObjectInfo: info,
Writer: w,
Range: params,
VersionID: p.VersionID,
@ -135,17 +135,17 @@ func (h *handler) GetObjectHandler(w http.ResponseWriter, r *http.Request) {
}
}
func checkPreconditions(inf *layer.ObjectInfo, args *conditionalArgs) error {
if len(args.IfMatch) > 0 && args.IfMatch != inf.HashSum {
func checkPreconditions(info *layer.ObjectInfo, args *conditionalArgs) error {
if len(args.IfMatch) > 0 && args.IfMatch != info.HashSum {
return errors.GetAPIError(errors.ErrPreconditionFailed)
}
if len(args.IfNoneMatch) > 0 && args.IfNoneMatch == inf.HashSum {
if len(args.IfNoneMatch) > 0 && args.IfNoneMatch == info.HashSum {
return errors.GetAPIError(errors.ErrNotModified)
}
if args.IfModifiedSince != nil && inf.Created.Before(*args.IfModifiedSince) {
if args.IfModifiedSince != nil && info.Created.Before(*args.IfModifiedSince) {
return errors.GetAPIError(errors.ErrNotModified)
}
if args.IfUnmodifiedSince != nil && inf.Created.After(*args.IfUnmodifiedSince) {
if args.IfUnmodifiedSince != nil && info.Created.After(*args.IfUnmodifiedSince) {
if len(args.IfMatch) == 0 {
return errors.GetAPIError(errors.ErrPreconditionFailed)
}

20
api/handler/head.go
View file

@ -26,7 +26,7 @@ func getRangeToDetectContentType(maxSize int64) *layer.RangeParams {
func (h *handler) HeadObjectHandler(w http.ResponseWriter, r *http.Request) {
var (
err error
inf *layer.ObjectInfo
info *layer.ObjectInfo
reqInfo = api.GetReqInfo(r.Context())
)
@ -39,30 +39,30 @@ func (h *handler) HeadObjectHandler(w http.ResponseWriter, r *http.Request) {
p := &layer.HeadObjectParams{
Bucket: reqInfo.BucketName,
Object: reqInfo.ObjectName,
VersionID: reqInfo.URL.Query().Get("versionId"),
VersionID: reqInfo.URL.Query().Get(api.QueryVersionID),
}
if inf, err = h.obj.GetObjectInfo(r.Context(), p); err != nil {
if info, err = h.obj.GetObjectInfo(r.Context(), p); err != nil {
h.logAndSendError(w, "could not fetch object info", reqInfo, err)
return
}
if len(inf.ContentType) == 0 {
if len(info.ContentType) == 0 {
buffer := bytes.NewBuffer(make([]byte, 0, sizeToDetectType))
getParams := &layer.GetObjectParams{
ObjectInfo: inf,
ObjectInfo: info,
Writer: buffer,
Range: getRangeToDetectContentType(inf.Size),
VersionID: reqInfo.URL.Query().Get("versionId"),
Range: getRangeToDetectContentType(info.Size),
VersionID: reqInfo.URL.Query().Get(api.QueryVersionID),
}
if err = h.obj.GetObject(r.Context(), getParams); err != nil {
h.logAndSendError(w, "could not get object", reqInfo, err, zap.Stringer("oid", inf.ID()))
h.logAndSendError(w, "could not get object", reqInfo, err, zap.Stringer("oid", info.ID()))
return
}
inf.ContentType = http.DetectContentType(buffer.Bytes())
info.ContentType = http.DetectContentType(buffer.Bytes())
}
writeHeaders(w.Header(), inf)
writeHeaders(w.Header(), info)
w.WriteHeader(http.StatusOK)
}

10
api/handler/object_list.go
View file

@ -217,6 +217,16 @@ func (h *handler) ListBucketObjectVersionsHandler(w http.ResponseWriter, r *http
return
}
bktInfo, err := h.obj.GetBucketInfo(r.Context(), reqInfo.BucketName)
if err != nil {
h.logAndSendError(w, "could not get bucket info", reqInfo, err)
return
}
if err = checkOwner(bktInfo, r.Header.Get(api.AmzExpectedBucketOwner)); err != nil {
h.logAndSendError(w, "expected owner doesn't match", reqInfo, err)
return
}
info, err := h.obj.ListObjectVersions(r.Context(), p)
if err != nil {
h.logAndSendError(w, "something went wrong", reqInfo, err)

6
api/handler/put.go
View file

@ -116,6 +116,12 @@ func (h *handler) PutObjectHandler(w http.ResponseWriter, r *http.Request) {
}
}
if versioning, err := h.obj.GetBucketVersioning(r.Context(), reqInfo.BucketName); err != nil {
h.log.Warn("couldn't get bucket versioning", zap.String("bucket name", reqInfo.BucketName), zap.Error(err))
} else if versioning.VersioningEnabled {
w.Header().Set(api.AmzVersionID, info.Version())
}
w.Header().Set(api.ETag, info.HashSum)
api.WriteSuccessResponseHeadersOnly(w)
}

2
api/handler/response.go
View file

@ -167,7 +167,7 @@ type ListObjectsVersionsResponse struct {
// VersioningConfiguration contains VersioningConfiguration XML representation.
type VersioningConfiguration struct {
XMLName xml.Name `xml:"http://s3.amazonaws.com/doc/2006-03-01/ VersioningConfiguration"`
Status string `xml:"Status"`
Status string `xml:"Status,omitempty"`
MfaDelete string `xml:"MfaDelete,omitempty"`
}

31
api/handler/versioning.go
View file

@ -24,6 +24,16 @@ func (h *handler) PutBucketVersioningHandler(w http.ResponseWriter, r *http.Requ
Settings: &layer.BucketSettings{VersioningEnabled: configuration.Status == "Enabled"},
}
bktInfo, err := h.obj.GetBucketInfo(r.Context(), reqInfo.BucketName)
if err != nil {
h.logAndSendError(w, "could not get bucket info", reqInfo, err)
return
}
if err = checkOwner(bktInfo, r.Header.Get(api.AmzExpectedBucketOwner)); err != nil {
h.logAndSendError(w, "expected owner doesn't match", reqInfo, err)
return
}
if _, err := h.obj.PutBucketVersioning(r.Context(), p); err != nil {
h.logAndSendError(w, "couldn't put update versioning settings", reqInfo, err)
}
@ -33,14 +43,27 @@ func (h *handler) PutBucketVersioningHandler(w http.ResponseWriter, r *http.Requ
func (h *handler) GetBucketVersioningHandler(w http.ResponseWriter, r *http.Request) {
reqInfo := api.GetReqInfo(r.Context())
bktInfo, err := h.obj.GetBucketInfo(r.Context(), reqInfo.BucketName)
if err != nil {
h.logAndSendError(w, "could not get bucket info", reqInfo, err)
return
}
if err = checkOwner(bktInfo, r.Header.Get(api.AmzExpectedBucketOwner)); err != nil {
h.logAndSendError(w, "expected owner doesn't match", reqInfo, err)
return
}
settings, err := h.obj.GetBucketVersioning(r.Context(), reqInfo.BucketName)
if err != nil {
if errors.IsS3Error(err, errors.ErrNoSuchBucket) {
h.logAndSendError(w, "couldn't get versioning settings", reqInfo, err)
return
}
h.log.Warn("couldn't get version settings object: default version settings will be used",
zap.String("request_id", reqInfo.RequestID),
zap.String("method", reqInfo.API),
zap.String("object_name", reqInfo.ObjectName),
zap.String("bucket_name", reqInfo.BucketName),
zap.Error(err))
return
}
if err = api.EncodeToResponse(w, formVersioningConfiguration(settings)); err != nil {
@ -49,12 +72,14 @@ func (h *handler) GetBucketVersioningHandler(w http.ResponseWriter, r *http.Requ
}
func formVersioningConfiguration(settings *layer.BucketSettings) *VersioningConfiguration {
res := &VersioningConfiguration{Status: "Suspended"}
res := &VersioningConfiguration{}
if settings == nil {
return res
}
if settings.VersioningEnabled {
res.Status = "Enabled"
} else {
res.Status = "Suspended"
}
return res
}

5
api/headers.go
View file

@ -44,3 +44,8 @@ const (
ContainerID = "X-Container-Id"
)
// S3 request query params.
const (
QueryVersionID = "versionId"
)

33
api/layer/container.go
View file

@ -117,29 +117,42 @@ func (n *layer) containerList(ctx context.Context) ([]*cache.BucketInfo, error)
}
func (n *layer) createContainer(ctx context.Context, p *CreateBucketParams) (*cid.ID, error) {
var err error
bktInfo := &cache.BucketInfo{
Name: p.Name,
Owner: n.Owner(ctx),
Created: time.Now(),
BasicACL: p.ACL,
}
cnr := container.New(
container.WithPolicy(p.Policy),
container.WithCustomBasicACL(p.ACL),
container.WithAttribute(container.AttributeName, p.Name),
container.WithAttribute(container.AttributeTimestamp, strconv.FormatInt(time.Now().Unix(), 10)))
container.WithAttribute(container.AttributeTimestamp, strconv.FormatInt(bktInfo.Created.Unix(), 10)))
cnr.SetSessionToken(p.BoxData.Gate.SessionToken)
cnr.SetOwnerID(n.Owner(ctx))
cnr.SetOwnerID(bktInfo.Owner)
cid, err := n.pool.PutContainer(ctx, cnr)
if err != nil {
return nil, fmt.Errorf("failed to create a bucket: %w", err)
}
if err = n.pool.WaitForContainerPresence(ctx, cid, pool.DefaultPollingParams()); err != nil {
if bktInfo.CID, err = n.pool.PutContainer(ctx, cnr); err != nil {
return nil, err
}
if err := n.setContainerEACLTable(ctx, cid, p.EACL); err != nil {
if err = n.pool.WaitForContainerPresence(ctx, bktInfo.CID, pool.DefaultPollingParams()); err != nil {
return nil, err
}
return cid, nil
if err = n.setContainerEACLTable(ctx, bktInfo.CID, p.EACL); err != nil {
return nil, err
}
if err = n.bucketCache.Put(bktInfo); err != nil {
n.log.Warn("couldn't put bucket info into cache",
zap.String("bucket name", bktInfo.Name),
zap.Stringer("bucket cid", bktInfo.CID),
zap.Error(err))
}
return bktInfo.CID, nil
}
func (n *layer) setContainerEACLTable(ctx context.Context, cid *cid.ID, table *eacl.Table) error {

348
api/layer/layer.go
View file

@ -7,9 +7,6 @@ import (
"fmt"
"io"
"net/url"
"sort"
"strconv"
"strings"
"time"
"github.com/nspcc-dev/neofs-api-go/pkg/acl/eacl"
@ -32,7 +29,7 @@ type (
log *zap.Logger
listsCache ObjectsListCache
objCache cache.ObjectsCache
headCache cache.HeadObjectsCache
namesCache cache.ObjectsNameCache
bucketCache cache.BucketCache
systemCache cache.SystemCache
}
@ -56,8 +53,6 @@ type (
GetObjectParams struct {
Range *RangeParams
ObjectInfo *ObjectInfo
//Bucket string
//Object string
Offset int64
Length int64
Writer io.Writer
@ -139,14 +134,6 @@ type (
VersionID string
}
objectVersions struct {
name string
objects []*ObjectInfo
addList []string
delList []string
isSorted bool
}
// NeoFS provides basic NeoFS interface.
NeoFS interface {
Get(ctx context.Context, address *object.Address) (*object.Object, error)
@ -181,95 +168,6 @@ type (
}
)
func newObjectVersions(name string) *objectVersions {
return &objectVersions{name: name}
}
func (v *objectVersions) appendVersion(oi *ObjectInfo) {
addVers := append(splitVersions(oi.Headers[versionsAddAttr]), oi.Version())
delVers := splitVersions(oi.Headers[versionsDelAttr])
v.objects = append(v.objects, oi)
for _, add := range addVers {
if !contains(v.addList, add) {
v.addList = append(v.addList, add)
}
}
for _, del := range delVers {
if !contains(v.delList, del) {
v.delList = append(v.delList, del)
}
}
v.isSorted = false
}
func (v *objectVersions) sort() {
if !v.isSorted {
sortVersions(v.objects)
v.isSorted = true
}
}
func (v *objectVersions) getLast() *ObjectInfo {
if len(v.objects) == 0 {
return nil
}
v.sort()
existedVersions := getExistedVersions(v)
for i := len(v.objects) - 1; i >= 0; i-- {
if contains(existedVersions, v.objects[i].Version()) {
delMarkHeader := v.objects[i].Headers[versionsDeleteMarkAttr]
if delMarkHeader == "" {
return v.objects[i]
}
if delMarkHeader == delMarkFullObject {
return nil
}
}
}
return nil
}
func (v *objectVersions) getFiltered() []*ObjectInfo {
if len(v.objects) == 0 {
return nil
}
v.sort()
existedVersions := getExistedVersions(v)
res := make([]*ObjectInfo, 0, len(v.objects))
for _, version := range v.objects {
delMark := version.Headers[versionsDeleteMarkAttr]
if contains(existedVersions, version.Version()) && (delMark == delMarkFullObject || delMark == "") {
res = append(res, version)
}
}
return res
}
func (v *objectVersions) getAddHeader() string {
return strings.Join(v.addList, ",")
}
func (v *objectVersions) getDelHeader() string {
return strings.Join(v.delList, ",")
}
const (
unversionedObjectVersionID = "null"
bktVersionSettingsObject = ".s3-versioning-settings"
objectSystemAttributeName = "S3-System-name"
attrVersionsIgnore = "S3-Versions-ignore"
attrSettingsVersioningEnabled = "S3-Settings-Versioning-enabled"
versionsDelAttr = "S3-Versions-del"
versionsAddAttr = "S3-Versions-add"
versionsDeleteMarkAttr = "S3-Versions-delete-mark"
delMarkFullObject = "*"
)
func (t *VersionedObject) String() string {
return t.Name + ":" + t.VersionID
}
@ -283,7 +181,7 @@ func NewLayer(log *zap.Logger, conns pool.Pool, config *CacheConfig) Client {
listsCache: newListObjectsCache(config.ListObjectsLifetime),
objCache: cache.New(config.Size, config.Lifetime),
//todo reconsider cache params
headCache: cache.NewHeadObject(1000, time.Minute),
namesCache: cache.NewObjectsNameCache(1000, time.Minute),
bucketCache: cache.NewBucketCache(150, time.Minute),
systemCache: cache.NewSystemCache(1000, 5*time.Minute),
}
@ -432,11 +330,11 @@ func (n *layer) GetObjectInfo(ctx context.Context, p *HeadObjectParams) (*Object
}
func (n *layer) getSettingsObjectInfo(ctx context.Context, bkt *cache.BucketInfo) (*ObjectInfo, error) {
if meta := n.systemCache.Get(bktVersionSettingsObject); meta != nil {
if meta := n.systemCache.Get(bkt.SettingsObjectKey()); meta != nil {
return objInfoFromMeta(bkt, meta), nil
}
oid, err := n.objectFindID(ctx, &findParams{cid: bkt.CID, attr: objectSystemAttributeName, val: bktVersionSettingsObject})
oid, err := n.objectFindID(ctx, &findParams{cid: bkt.CID, attr: objectSystemAttributeName, val: bkt.SettingsObjectName()})
if err != nil {
return nil, err
}
@ -446,7 +344,7 @@ func (n *layer) getSettingsObjectInfo(ctx context.Context, bkt *cache.BucketInfo
n.log.Error("could not fetch object head", zap.Error(err))
return nil, err
}
if err = n.systemCache.Put(bktVersionSettingsObject, meta); err != nil {
if err = n.systemCache.Put(bkt.SettingsObjectKey(), meta); err != nil {
n.log.Error("couldn't cache system object", zap.Error(err))
}
@ -506,7 +404,7 @@ func (n *layer) deleteObject(ctx context.Context, bkt *cache.BucketInfo, obj *Ve
Header: map[string]string{versionsDeleteMarkAttr: obj.VersionID},
}
if len(obj.VersionID) != 0 {
id, err := n.checkVersionsExists(ctx, bkt, obj)
id, err := n.checkVersionsExist(ctx, bkt, obj)
if err != nil {
return err
}
@ -517,41 +415,24 @@ func (n *layer) deleteObject(ctx context.Context, bkt *cache.BucketInfo, obj *Ve
p.Header[versionsDeleteMarkAttr] = delMarkFullObject
}
if _, err = n.objectPut(ctx, bkt, p); err != nil {
return &errors.DeleteError{Err: err, Object: obj.String()}
return err
}
} else {
ids, err = n.objectSearch(ctx, &findParams{cid: bkt.CID, val: obj.Name})
if err != nil {
return &errors.DeleteError{Err: err, Object: obj.String()}
return err
}
}
for _, id := range ids {
if err = n.objectDelete(ctx, bkt.CID, id); err != nil {
return &errors.DeleteError{Err: err, Object: obj.String()}
return err
}
}
return nil
}
func (n *layer) checkVersionsExists(ctx context.Context, bkt *cache.BucketInfo, obj *VersionedObject) (*object.ID, error) {
id := object.NewID()
if err := id.Parse(obj.VersionID); err != nil {
return nil, &errors.DeleteError{Err: errors.GetAPIError(errors.ErrInvalidVersion), Object: obj.String()}
}
versions, err := n.headVersions(ctx, bkt, obj.Name)
if err != nil {
return nil, &errors.DeleteError{Err: err, Object: obj.String()}
}
if !contains(getExistedVersions(versions), obj.VersionID) {
return nil, &errors.DeleteError{Err: errors.GetAPIError(errors.ErrInvalidVersion), Object: obj.String()}
}
return id, nil
}
// DeleteObjects from the storage.
func (n *layer) DeleteObjects(ctx context.Context, bucket string, objects []*VersionedObject) []error {
var errs = make([]error, 0, len(objects))
@ -561,9 +442,9 @@ func (n *layer) DeleteObjects(ctx context.Context, bucket string, objects []*Ver
return append(errs, err)
}
for i := range objects {
if err := n.deleteObject(ctx, bkt, objects[i]); err != nil {
errs = append(errs, err)
for _, obj := range objects {
if err := n.deleteObject(ctx, bkt, obj); err != nil {
errs = append(errs, &errors.ObjectError{Err: err, Object: obj.Name, Version: obj.VersionID})
}
}
@ -588,210 +469,17 @@ func (n *layer) DeleteBucket(ctx context.Context, p *DeleteBucketParams) error {
return err
}
ids, err := n.objectSearch(ctx, &findParams{cid: bucketInfo.CID})
objects, err := n.listSortedObjectsFromNeoFS(ctx, allObjectParams{Bucket: bucketInfo})
if err != nil {
return err
}
if len(ids) != 0 {
if len(objects) != 0 {
return errors.GetAPIError(errors.ErrBucketNotEmpty)
}
return n.deleteContainer(ctx, bucketInfo.CID)
if err = n.deleteContainer(ctx, bucketInfo.CID); err != nil {
return err
}
func (n *layer) ListObjectVersions(ctx context.Context, p *ListObjectVersionsParams) (*ListObjectVersionsInfo, error) {
var versions map[string]*objectVersions
res := &ListObjectVersionsInfo{}
bkt, err := n.GetBucketInfo(ctx, p.Bucket)
if err != nil {
return nil, err
}
cacheKey, err := createKey(ctx, bkt.CID, listVersionsMethod, p.Prefix, p.Delimiter)
if err != nil {
return nil, err
}
allObjects := n.listsCache.Get(cacheKey)
if allObjects == nil {
versions, err = n.getAllObjectsVersions(ctx, bkt, p.Prefix, p.Delimiter)
if err != nil {
return nil, err
}
sortedNames := make([]string, 0, len(versions))
for k := range versions {
sortedNames = append(sortedNames, k)
}
sort.Strings(sortedNames)
allObjects = make([]*ObjectInfo, 0, p.MaxKeys)
for _, name := range sortedNames {
allObjects = append(allObjects, versions[name].getFiltered()...)
}
// putting to cache a copy of allObjects because allObjects can be modified further
n.listsCache.Put(cacheKey, append([]*ObjectInfo(nil), allObjects...))
}
for i, obj := range allObjects {
if obj.Name >= p.KeyMarker && obj.Version() >= p.VersionIDMarker {
allObjects = allObjects[i:]
break
}
}
res.CommonPrefixes, allObjects = triageObjects(allObjects)
if len(allObjects) > p.MaxKeys {
res.IsTruncated = true
res.NextKeyMarker = allObjects[p.MaxKeys].Name
res.NextVersionIDMarker = allObjects[p.MaxKeys].Version()
allObjects = allObjects[:p.MaxKeys]
res.KeyMarker = allObjects[p.MaxKeys-1].Name
res.VersionIDMarker = allObjects[p.MaxKeys-1].Version()
}
objects := make([]*ObjectVersionInfo, len(allObjects))
for i, obj := range allObjects {
objects[i] = &ObjectVersionInfo{Object: obj}
if i == len(allObjects)-1 || allObjects[i+1].Name != obj.Name {
objects[i].IsLatest = true
}
}
res.Version, res.DeleteMarker = triageVersions(objects)
return res, nil
}
func sortVersions(versions []*ObjectInfo) {
sort.Slice(versions, func(i, j int) bool {
return less(versions[i], versions[j])
})
}
func triageVersions(objVersions []*ObjectVersionInfo) ([]*ObjectVersionInfo, []*ObjectVersionInfo) {
if len(objVersions) == 0 {
return nil, nil
}
var resVersion []*ObjectVersionInfo
var resDelMarkVersions []*ObjectVersionInfo
for _, version := range objVersions {
if version.Object.Headers[versionsDeleteMarkAttr] == delMarkFullObject {
resDelMarkVersions = append(resDelMarkVersions, version)
} else {
resVersion = append(resVersion, version)
}
}
return resVersion, resDelMarkVersions
}
func less(ov1, ov2 *ObjectInfo) bool {
if ov1.CreationEpoch == ov2.CreationEpoch {
return ov1.Version() < ov2.Version()
}
return ov1.CreationEpoch < ov2.CreationEpoch
}
func contains(list []string, elem string) bool {
for _, item := range list {
if elem == item {
return true
}
}
return false
}
func (n *layer) PutBucketVersioning(ctx context.Context, p *PutVersioningParams) (*ObjectInfo, error) {
bucketInfo, err := n.GetBucketInfo(ctx, p.Bucket)
if err != nil {
return nil, err
}
objectInfo, err := n.getSettingsObjectInfo(ctx, bucketInfo)
if err != nil {
n.log.Warn("couldn't get bucket version settings object, new one will be created",
zap.String("bucket_name", bucketInfo.Name),
zap.Stringer("cid", bucketInfo.CID),
zap.Error(err))
}
attributes := make([]*object.Attribute, 0, 3)
filename := object.NewAttribute()
filename.SetKey(objectSystemAttributeName)
filename.SetValue(bktVersionSettingsObject)
createdAt := object.NewAttribute()
createdAt.SetKey(object.AttributeTimestamp)
createdAt.SetValue(strconv.FormatInt(time.Now().UTC().Unix(), 10))
versioningIgnore := object.NewAttribute()
versioningIgnore.SetKey(attrVersionsIgnore)
versioningIgnore.SetValue(strconv.FormatBool(true))
settingsVersioningEnabled := object.NewAttribute()
settingsVersioningEnabled.SetKey(attrSettingsVersioningEnabled)
settingsVersioningEnabled.SetValue(strconv.FormatBool(p.Settings.VersioningEnabled))
attributes = append(attributes, filename, createdAt, versioningIgnore, settingsVersioningEnabled)
raw := object.NewRaw()
raw.SetOwnerID(bucketInfo.Owner)
raw.SetContainerID(bucketInfo.CID)
raw.SetAttributes(attributes...)
ops := new(client.PutObjectParams).WithObject(raw.Object())
oid, err := n.pool.PutObject(ctx, ops, n.BearerOpt(ctx))
if err != nil {
return nil, err
}
meta, err := n.objectHead(ctx, bucketInfo.CID, oid)
if err != nil {
return nil, err
}
if objectInfo != nil {
if err = n.objectDelete(ctx, bucketInfo.CID, objectInfo.ID()); err != nil {
return nil, err
}
}
return objectInfoFromMeta(bucketInfo, meta, "", ""), nil
}
func (n *layer) GetBucketVersioning(ctx context.Context, bucketName string) (*BucketSettings, error) {
bktInfo, err := n.GetBucketInfo(ctx, bucketName)
if err != nil {
return nil, err
}
return n.getBucketSettings(ctx, bktInfo)
}
func (n *layer) getBucketSettings(ctx context.Context, bktInfo *cache.BucketInfo) (*BucketSettings, error) {
objInfo, err := n.getSettingsObjectInfo(ctx, bktInfo)
if err != nil {
return nil, err
}
return objectInfoToBucketSettings(objInfo), nil
}
func objectInfoToBucketSettings(info *ObjectInfo) *BucketSettings {
res := &BucketSettings{}
enabled, ok := info.Headers["S3-Settings-Versioning-enabled"]
if ok {
if parsed, err := strconv.ParseBool(enabled); err == nil {
res.VersioningEnabled = parsed
}
}
return res
n.bucketCache.Delete(bucketInfo.Name)
return nil
}

16
api/layer/object.go
View file

@ -144,7 +144,7 @@ func (n *layer) objectPut(ctx context.Context, bkt *cache.BucketInfo, p *PutObje
r := p.Reader
if len(p.Header[api.ContentType]) == 0 {
d := newDetector(p.Reader)
d := newDetector(r)
if contentType, err := d.Detect(); err == nil {
p.Header[api.ContentType] = contentType
}
@ -271,7 +271,7 @@ func updateCRDT2PSetHeaders(p *PutObjectParams, versions *objectVersions, versio
}
func (n *layer) headLastVersionIfNotDeleted(ctx context.Context, bkt *cache.BucketInfo, objectName string) (*ObjectInfo, error) {
if address := n.headCache.Get(bkt.Name + "/" + objectName); address != nil {
if address := n.namesCache.Get(bkt.Name + "/" + objectName); address != nil {
if headInfo := n.objCache.Get(address); headInfo != nil {
return objInfoFromMeta(bkt, headInfo), nil
}
@ -287,7 +287,7 @@ func (n *layer) headLastVersionIfNotDeleted(ctx context.Context, bkt *cache.Buck
return nil, apiErrors.GetAPIError(apiErrors.ErrNoSuchKey)
}
if err = n.headCache.Put(lastVersion.NiceName(), lastVersion.Address()); err != nil {
if err = n.namesCache.Put(lastVersion.NiceName(), lastVersion.Address()); err != nil {
n.log.Warn("couldn't put obj address to head cache",
zap.String("obj nice name", lastVersion.NiceName()),
zap.Error(err))
@ -487,14 +487,12 @@ func (n *layer) getAllObjectsVersions(ctx context.Context, bkt *cache.BucketInfo
continue
}
if objVersions, ok := versions[oi.Name]; ok {
objVersions, ok := versions[oi.Name]
if !ok {
objVersions = newObjectVersions(oi.Name)
}
objVersions.appendVersion(oi)
versions[oi.Name] = objVersions
} else {
objVersion := newObjectVersions(oi.Name)
objVersion.appendVersion(oi)
versions[oi.Name] = objVersion
}
}
}

2
api/layer/object_list_cache.go
View file

@ -45,6 +45,7 @@ type (
list []*ObjectInfo
}
cacheOptions struct {
method string
key string
delimiter string
prefix string
@ -89,6 +90,7 @@ func createKey(ctx context.Context, cid *cid.ID, method, prefix, delimiter strin
return cacheOptions{}, err
}
p := cacheOptions{
method: method,
key: box.Gate.AccessKey + cid.String(),
delimiter: delimiter,
prefix: prefix,

325
api/layer/versioning.go Normal file
View file

@ -0,0 +1,325 @@
package layer
import (
"context"
"sort"
"strconv"
"strings"
"time"
"github.com/nspcc-dev/neofs-api-go/pkg/client"
"github.com/nspcc-dev/neofs-api-go/pkg/object"
"github.com/nspcc-dev/neofs-s3-gw/api/cache"
"github.com/nspcc-dev/neofs-s3-gw/api/errors"
"go.uber.org/zap"
)
type objectVersions struct {
name string
objects []*ObjectInfo
addList []string
delList []string
isSorted bool
}
const (
unversionedObjectVersionID = "null"
objectSystemAttributeName = "S3-System-name"
attrVersionsIgnore = "S3-Versions-ignore"
attrSettingsVersioningEnabled = "S3-Settings-Versioning-enabled"
versionsDelAttr = "S3-Versions-del"
versionsAddAttr = "S3-Versions-add"
versionsDeleteMarkAttr = "S3-Versions-delete-mark"
delMarkFullObject = "*"
)
func newObjectVersions(name string) *objectVersions {
return &objectVersions{name: name}
}
func (v *objectVersions) appendVersion(oi *ObjectInfo) {
addVers := append(splitVersions(oi.Headers[versionsAddAttr]), oi.Version())
delVers := splitVersions(oi.Headers[versionsDelAttr])
v.objects = append(v.objects, oi)
for _, add := range addVers {
if !contains(v.addList, add) {
v.addList = append(v.addList, add)
}
}
for _, del := range delVers {
if !contains(v.delList, del) {
v.delList = append(v.delList, del)
}
}
v.isSorted = false
}
func (v *objectVersions) sort() {
if !v.isSorted {
sort.Slice(v.objects, func(i, j int) bool {
return less(v.objects[i], v.objects[j])
})
v.isSorted = true
}
}
func (v *objectVersions) getLast() *ObjectInfo {
if len(v.objects) == 0 {
return nil
}
v.sort()
existedVersions := getExistedVersions(v)
for i := len(v.objects) - 1; i >= 0; i-- {
if contains(existedVersions, v.objects[i].Version()) {
delMarkHeader := v.objects[i].Headers[versionsDeleteMarkAttr]
if delMarkHeader == "" {
return v.objects[i]
}
if delMarkHeader == delMarkFullObject {
return nil
}
}
}
return nil
}
func (v *objectVersions) getFiltered() []*ObjectInfo {
if len(v.objects) == 0 {
return nil
}
v.sort()
existedVersions := getExistedVersions(v)
res := make([]*ObjectInfo, 0, len(v.objects))
for _, version := range v.objects {
delMark := version.Headers[versionsDeleteMarkAttr]
if contains(existedVersions, version.Version()) && (delMark == delMarkFullObject || delMark == "") {
res = append(res, version)
}
}
return res
}
func (v *objectVersions) getAddHeader() string {
return strings.Join(v.addList, ",")
}
func (v *objectVersions) getDelHeader() string {
return strings.Join(v.delList, ",")
}
func (n *layer) PutBucketVersioning(ctx context.Context, p *PutVersioningParams) (*ObjectInfo, error) {
bucketInfo, err := n.GetBucketInfo(ctx, p.Bucket)
if err != nil {
return nil, err
}
objectInfo, err := n.getSettingsObjectInfo(ctx, bucketInfo)
if err != nil {
n.log.Warn("couldn't get bucket version settings object, new one will be created",
zap.String("bucket_name", bucketInfo.Name),
zap.Stringer("cid", bucketInfo.CID),
zap.Error(err))
}
attributes := make([]*object.Attribute, 0, 3)
filename := object.NewAttribute()
filename.SetKey(objectSystemAttributeName)
filename.SetValue(bucketInfo.SettingsObjectName())
createdAt := object.NewAttribute()
createdAt.SetKey(object.AttributeTimestamp)
createdAt.SetValue(strconv.FormatInt(time.Now().UTC().Unix(), 10))
versioningIgnore := object.NewAttribute()
versioningIgnore.SetKey(attrVersionsIgnore)
versioningIgnore.SetValue(strconv.FormatBool(true))
settingsVersioningEnabled := object.NewAttribute()
settingsVersioningEnabled.SetKey(attrSettingsVersioningEnabled)
settingsVersioningEnabled.SetValue(strconv.FormatBool(p.Settings.VersioningEnabled))
attributes = append(attributes, filename, createdAt, versioningIgnore, settingsVersioningEnabled)
raw := object.NewRaw()
raw.SetOwnerID(bucketInfo.Owner)
raw.SetContainerID(bucketInfo.CID)
raw.SetAttributes(attributes...)
ops := new(client.PutObjectParams).WithObject(raw.Object())
oid, err := n.pool.PutObject(ctx, ops, n.BearerOpt(ctx))
if err != nil {
return nil, err
}
meta, err := n.objectHead(ctx, bucketInfo.CID, oid)
if err != nil {
return nil, err
}
if err = n.systemCache.Put(bucketInfo.SettingsObjectKey(), meta); err != nil {
n.log.Error("couldn't cache system object", zap.Error(err))
}
if objectInfo != nil {
if err = n.objectDelete(ctx, bucketInfo.CID, objectInfo.ID()); err != nil {
return nil, err
}
}
return objectInfoFromMeta(bucketInfo, meta, "", ""), nil
}
func (n *layer) GetBucketVersioning(ctx context.Context, bucketName string) (*BucketSettings, error) {
bktInfo, err := n.GetBucketInfo(ctx, bucketName)
if err != nil {
return nil, err
}
return n.getBucketSettings(ctx, bktInfo)
}
func (n *layer) ListObjectVersions(ctx context.Context, p *ListObjectVersionsParams) (*ListObjectVersionsInfo, error) {
var versions map[string]*objectVersions
res := &ListObjectVersionsInfo{}
bkt, err := n.GetBucketInfo(ctx, p.Bucket)
if err != nil {
return nil, err
}
cacheKey, err := createKey(ctx, bkt.CID, listVersionsMethod, p.Prefix, p.Delimiter)
if err != nil {
return nil, err
}
allObjects := n.listsCache.Get(cacheKey)
if allObjects == nil {
versions, err = n.getAllObjectsVersions(ctx, bkt, p.Prefix, p.Delimiter)
if err != nil {
return nil, err
}
sortedNames := make([]string, 0, len(versions))
for k := range versions {
sortedNames = append(sortedNames, k)
}
sort.Strings(sortedNames)
allObjects = make([]*ObjectInfo, 0, p.MaxKeys)
for _, name := range sortedNames {
allObjects = append(allObjects, versions[name].getFiltered()...)
}
// putting to cache a copy of allObjects because allObjects can be modified further
n.listsCache.Put(cacheKey, append([]*ObjectInfo(nil), allObjects...))
}
for i, obj := range allObjects {
if obj.Name >= p.KeyMarker && obj.Version() >= p.VersionIDMarker {
allObjects = allObjects[i:]
break
}
}
res.CommonPrefixes, allObjects = triageObjects(allObjects)
if len(allObjects) > p.MaxKeys {
res.IsTruncated = true
res.NextKeyMarker = allObjects[p.MaxKeys].Name
res.NextVersionIDMarker = allObjects[p.MaxKeys].Version()
allObjects = allObjects[:p.MaxKeys]
res.KeyMarker = allObjects[p.MaxKeys-1].Name
res.VersionIDMarker = allObjects[p.MaxKeys-1].Version()
}
objects := make([]*ObjectVersionInfo, len(allObjects))
for i, obj := range allObjects {
objects[i] = &ObjectVersionInfo{Object: obj}
if i == len(allObjects)-1 || allObjects[i+1].Name != obj.Name {
objects[i].IsLatest = true
}
}
res.Version, res.DeleteMarker = triageVersions(objects)
return res, nil
}
func triageVersions(objVersions []*ObjectVersionInfo) ([]*ObjectVersionInfo, []*ObjectVersionInfo) {
if len(objVersions) == 0 {
return nil, nil
}
var resVersion []*ObjectVersionInfo
var resDelMarkVersions []*ObjectVersionInfo
for _, version := range objVersions {
if version.Object.Headers[versionsDeleteMarkAttr] == delMarkFullObject {
resDelMarkVersions = append(resDelMarkVersions, version)
} else {
resVersion = append(resVersion, version)
}
}
return resVersion, resDelMarkVersions
}
func less(ov1, ov2 *ObjectInfo) bool {
if ov1.CreationEpoch == ov2.CreationEpoch {
return ov1.Version() < ov2.Version()
}
return ov1.CreationEpoch < ov2.CreationEpoch
}
func contains(list []string, elem string) bool {
for _, item := range list {
if elem == item {
return true
}
}
return false
}
func (n *layer) getBucketSettings(ctx context.Context, bktInfo *cache.BucketInfo) (*BucketSettings, error) {
objInfo, err := n.getSettingsObjectInfo(ctx, bktInfo)
if err != nil {
return nil, err
}
return objectInfoToBucketSettings(objInfo), nil
}
func objectInfoToBucketSettings(info *ObjectInfo) *BucketSettings {
res := &BucketSettings{}
enabled, ok := info.Headers[attrSettingsVersioningEnabled]
if ok {
if parsed, err := strconv.ParseBool(enabled); err == nil {
res.VersioningEnabled = parsed
}
}
return res
}
func (n *layer) checkVersionsExist(ctx context.Context, bkt *cache.BucketInfo, obj *VersionedObject) (*object.ID, error) {
id := object.NewID()
if err := id.Parse(obj.VersionID); err != nil {
return nil, errors.GetAPIError(errors.ErrInvalidVersion)
}
versions, err := n.headVersions(ctx, bkt, obj.Name)
if err != nil {
return nil, err
}
if !contains(getExistedVersions(versions), obj.VersionID) {
return nil, errors.GetAPIError(errors.ErrInvalidVersion)
}
return id, nil
}

4
docs/aws_s3_compat.md
View file

@ -226,8 +226,8 @@ See also `GetObject` and other method parameters.
| | Method | Comments |
|----|---------------------|----------|
| 🔴 | GetBucketVersioning | |
| 🔴 | PutBucketVersioning | |
| 🟢 | GetBucketVersioning | |
| 🟢 | PutBucketVersioning | |
## Website