[#253] Caches refactoring

Signed-off-by: Denis Kirillov <denis@nspcc.ru>

api/auth/center.go

@@ -18,6 +18,7 @@ import (
 	v4 "github.com/aws/aws-sdk-go/aws/signer/v4"
 	"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
 	"github.com/nspcc-dev/neofs-api-go/pkg/object"
+	"github.com/nspcc-dev/neofs-s3-gw/api/cache"
 	apiErrors "github.com/nspcc-dev/neofs-s3-gw/api/errors"
 	"github.com/nspcc-dev/neofs-s3-gw/creds/accessbox"
 	"github.com/nspcc-dev/neofs-s3-gw/creds/tokens"
@@ -81,7 +82,7 @@ func (p prs) Seek(_ int64, _ int) (int64, error) {
 var _ io.ReadSeeker = prs(0)
 
 // New creates an instance of AuthCenter.
-func New(conns pool.Pool, key *keys.PrivateKey, config *tokens.CacheConfig) Center {
+func New(conns pool.Pool, key *keys.PrivateKey, config *cache.Config) Center {
 	return &center{
 		cli:     tokens.New(conns, key, config),
 		reg:     &regexpSubmatcher{re: authorizationFieldRegexp},

api/cache/accessbox.go

@@ -1,4 +1,4 @@
-package tokens
+package cache
 
 import (
 	"time"
@@ -8,31 +8,33 @@ import (
 	"github.com/nspcc-dev/neofs-s3-gw/creds/accessbox"
 )
 
-const (
+type (
-	// DefaultCacheSize is a default maximum number of entries in cache.
+	// AccessBoxCache stores access box by its address.
-	DefaultCacheSize = 100
+	AccessBoxCache struct {
-	// DefaultCacheLifetime is a default lifetime of entries in  cache.
+		cache gcache.Cache
-	DefaultCacheLifetime = 10 * time.Minute
+	}
+
+	// Config stores expiration params for cache.
+	Config struct {
+		Size     int
+		Lifetime time.Duration
+	}
 )
 
-// CacheConfig stores expiration params for cache.
+const (
-type CacheConfig struct {
+	// DefaultAccessBoxCacheSize is a default maximum number of entries in cache.
-	Size     int
+	DefaultAccessBoxCacheSize = 100
-	Lifetime time.Duration
+	// DefaultAccessBoxCacheLifetime is a default lifetime of entries in  cache.
-}
+	DefaultAccessBoxCacheLifetime = 10 * time.Minute
+)
 
-// DefaultCacheConfig return new default cache expiration values.
+// DefaultAccessBoxConfig return new default cache expiration values.
-func DefaultCacheConfig() *CacheConfig {
+func DefaultAccessBoxConfig() *Config {
-	return &CacheConfig{Size: DefaultCacheSize, Lifetime: DefaultCacheLifetime}
+	return &Config{Size: DefaultAccessBoxCacheSize, Lifetime: DefaultAccessBoxCacheLifetime}
-}
-
-// AccessBoxCache stores access box by its address.
-type AccessBoxCache struct {
-	cache gcache.Cache
 }
 
 // NewAccessBoxCache creates an object of BucketCache.
-func NewAccessBoxCache(config *CacheConfig) *AccessBoxCache {
+func NewAccessBoxCache(config *Config) *AccessBoxCache {
 	gc := gcache.New(config.Size).LRU().Expiration(config.Lifetime).Build()
 
 	return &AccessBoxCache{cache: gc}

api/cache/buckets.go

@@ -4,39 +4,40 @@ import (
 	"time"
 
 	"github.com/bluele/gcache"
-	"github.com/nspcc-dev/neofs-s3-gw/api"
+	"github.com/nspcc-dev/neofs-s3-gw/api/data"
 )
 
-type (
+// BucketCache contains cache with objects and lifetime of cache entries.
-	// BucketCache provides interface for lru cache for objects.
+type BucketCache struct {
-	BucketCache interface {
+	cache gcache.Cache
-		Get(key string) *api.BucketInfo
+}
-		Put(bkt *api.BucketInfo) error
-		Delete(key string) bool
-	}
 
-	// GetBucketCache contains cache with objects and lifetime of cache entries.
+const (
-	GetBucketCache struct {
+	// DefaultBucketCacheSize is a default maximum number of entries in cache.
-		cache    gcache.Cache
+	DefaultBucketCacheSize = 1e3
-		lifetime time.Duration
+	// DefaultBucketCacheLifetime is a default lifetime of entries in  cache.
-	}
+	DefaultBucketCacheLifetime = time.Minute
 )
 
+// DefaultBucketConfig return new default cache expiration values.
+func DefaultBucketConfig() *Config {
+	return &Config{Size: DefaultBucketCacheSize, Lifetime: DefaultBucketCacheLifetime}
+}
+
 // NewBucketCache creates an object of BucketCache.
-func NewBucketCache(cacheSize int, lifetime time.Duration) *GetBucketCache {
+func NewBucketCache(config *Config) *BucketCache {
-	gc := gcache.New(cacheSize).LRU().Build()
+	gc := gcache.New(config.Size).LRU().Expiration(config.Lifetime).Build()
-
+	return &BucketCache{cache: gc}
-	return &GetBucketCache{cache: gc, lifetime: lifetime}
 }
 
 // Get returns cached object.
-func (o *GetBucketCache) Get(key string) *api.BucketInfo {
+func (o *BucketCache) Get(key string) *data.BucketInfo {
 	entry, err := o.cache.Get(key)
 	if err != nil {
 		return nil
 	}
 
-	result, ok := entry.(*api.BucketInfo)
+	result, ok := entry.(*data.BucketInfo)
 	if !ok {
 		return nil
 	}
@@ -45,11 +46,11 @@ func (o *GetBucketCache) Get(key string) *api.BucketInfo {
 }
 
 // Put puts an object to cache.
-func (o *GetBucketCache) Put(bkt *api.BucketInfo) error {
+func (o *BucketCache) Put(bkt *data.BucketInfo) error {
-	return o.cache.SetWithExpire(bkt.Name, bkt, o.lifetime)
+	return o.cache.Set(bkt.Name, bkt)
 }
 
 // Delete deletes an object from cache.
-func (o *GetBucketCache) Delete(key string) bool {
+func (o *BucketCache) Delete(key string) bool {
 	return o.cache.Remove(key)
 }

api/cache/names.go

@@ -7,32 +7,33 @@ import (
 	"github.com/nspcc-dev/neofs-api-go/pkg/object"
 )
 
-// ObjectsNameCache provides interface for lru cache for objects.
+// ObjectsNameCache provides for lru cache for objects.
 // This cache contains mapping nice name to object addresses.
 // Key is bucketName+objectName.
-type ObjectsNameCache interface {
+type ObjectsNameCache struct {
-	Get(key string) *object.Address
+	cache gcache.Cache
-	Put(key string, address *object.Address) error
-	Delete(key string) bool
 }
 
-type (
+const (
-	// NameCache contains cache with objects and lifetime of cache entries.
+	// DefaultObjectsNameCacheSize is a default maximum number of entries in cache.
-	NameCache struct {
+	DefaultObjectsNameCacheSize = 1e4
-		cache    gcache.Cache
+	// DefaultObjectsNameCacheLifetime is a default lifetime of entries in  cache.
-		lifetime time.Duration
+	DefaultObjectsNameCacheLifetime = time.Minute
-	}
 )
 
-// NewObjectsNameCache creates an object of ObjectsNameCache.
+// DefaultObjectsNameConfig return new default cache expiration values.
-func NewObjectsNameCache(cacheSize int, lifetime time.Duration) *NameCache {
+func DefaultObjectsNameConfig() *Config {
-	gc := gcache.New(cacheSize).LRU().Build()
+	return &Config{Size: DefaultObjectsNameCacheSize, Lifetime: DefaultObjectsNameCacheLifetime}
+}
 
-	return &NameCache{cache: gc, lifetime: lifetime}
+// NewObjectsNameCache creates an object of ObjectsNameCache.
+func NewObjectsNameCache(config *Config) *ObjectsNameCache {
+	gc := gcache.New(config.Size).LRU().Expiration(config.Lifetime).Build()
+	return &ObjectsNameCache{cache: gc}
 }
 
 // Get returns cached object.
-func (o *NameCache) Get(key string) *object.Address {
+func (o *ObjectsNameCache) Get(key string) *object.Address {
 	entry, err := o.cache.Get(key)
 	if err != nil {
 		return nil
@@ -47,11 +48,11 @@ func (o *NameCache) Get(key string) *object.Address {
 }
 
 // Put puts an object to cache.
-func (o *NameCache) Put(key string, address *object.Address) error {
+func (o *ObjectsNameCache) Put(key string, address *object.Address) error {
-	return o.cache.SetWithExpire(key, address, o.lifetime)
+	return o.cache.Set(key, address)
 }
 
 // Delete deletes an object from cache.
-func (o *NameCache) Delete(key string) bool {
+func (o *ObjectsNameCache) Delete(key string) bool {
 	return o.cache.Remove(key)
 }

api/cache/objects.go

@@ -7,11 +7,9 @@ import (
 	"github.com/nspcc-dev/neofs-api-go/pkg/object"
 )
 
-// ObjectsCache provides interface for lru cache for objects.
+// ObjectsCache provides lru cache for objects.
-type ObjectsCache interface {
+type ObjectsCache struct {
-	Get(address *object.Address) *object.Object
+	cache gcache.Cache
-	Put(obj object.Object) error
-	Delete(address *object.Address) bool
 }
 
 const (
@@ -21,23 +19,19 @@ const (
 	DefaultObjectsCacheSize = 1e6
 )
 
-type (
+// DefaultObjectsConfig return new default cache expiration values.
-	// ObjectHeadersCache contains cache with objects and lifetime of cache entries.
+func DefaultObjectsConfig() *Config {
-	ObjectHeadersCache struct {
+	return &Config{Size: DefaultObjectsCacheSize, Lifetime: DefaultObjectsCacheLifetime}
-		cache    gcache.Cache
+}
-		lifetime time.Duration
-	}
-)
 
 // New creates an object of ObjectHeadersCache.
-func New(cacheSize int, lifetime time.Duration) *ObjectHeadersCache {
+func New(config *Config) *ObjectsCache {
-	gc := gcache.New(cacheSize).LRU().Build()
+	gc := gcache.New(config.Size).LRU().Expiration(config.Lifetime).Build()
-
+	return &ObjectsCache{cache: gc}
-	return &ObjectHeadersCache{cache: gc, lifetime: lifetime}
 }
 
 // Get returns cached object.
-func (o *ObjectHeadersCache) Get(address *object.Address) *object.Object {
+func (o *ObjectsCache) Get(address *object.Address) *object.Object {
 	entry, err := o.cache.Get(address.String())
 	if err != nil {
 		return nil
@@ -52,11 +46,11 @@ func (o *ObjectHeadersCache) Get(address *object.Address) *object.Object {
 }
 
 // Put puts an object to cache.
-func (o *ObjectHeadersCache) Put(obj object.Object) error {
+func (o *ObjectsCache) Put(obj object.Object) error {
-	return o.cache.SetWithExpire(obj.ContainerID().String()+"/"+obj.ID().String(), obj, o.lifetime)
+	return o.cache.Set(obj.ContainerID().String()+"/"+obj.ID().String(), obj)
 }
 
 // Delete deletes an object from cache.
-func (o *ObjectHeadersCache) Delete(address *object.Address) bool {
+func (o *ObjectsCache) Delete(address *object.Address) bool {
 	return o.cache.Remove(address.String())
 }

api/cache/objects_test.go

@@ -9,10 +9,12 @@ import (
 	"github.com/stretchr/testify/require"
 )
 
-const (
+func getTestConfig() *Config {
-	cachesize = 10
+	return &Config{
-	lifetime  = time.Second * 5
+		Size:     10,
-)
+		Lifetime: 5 * time.Second,
+	}
+}
 
 func TestCache(t *testing.T) {
 	obj := objecttest.Object()
@@ -21,7 +23,7 @@ func TestCache(t *testing.T) {
 	address.SetObjectID(obj.ID())
 
 	t.Run("check get", func(t *testing.T) {
-		cache := New(cachesize, lifetime)
+		cache := New(getTestConfig())
 		err := cache.Put(*obj)
 		require.NoError(t, err)
 
@@ -30,7 +32,7 @@ func TestCache(t *testing.T) {
 	})
 
 	t.Run("check delete", func(t *testing.T) {
-		cache := New(cachesize, lifetime)
+		cache := New(getTestConfig())
 		err := cache.Put(*obj)
 		require.NoError(t, err)
 

api/cache/objectslist.go

@@ -24,11 +24,15 @@ import (
 */
 
 type (
-	// ObjectsListCache provides interface for cache of ListObjectsV2 in a layer struct.
+	// ObjectsListCache contains cache for ListObjects and ListObjectVersions.
-	ObjectsListCache interface {
+	ObjectsListCache struct {
-		Get(key ObjectsListKey) []*object.ID
+		cache gcache.Cache
-		Put(key ObjectsListKey, oids []*object.ID) error
+	}
-		CleanCacheEntriesContainingObject(objectName string, cid *cid.ID)
+
+	// ObjectsListKey is a key to find a ObjectsListCache's entry.
+	ObjectsListKey struct {
+		cid    string
+		prefix string
 	}
 )
 
@@ -39,32 +43,19 @@ const (
 	DefaultObjectsListCacheSize = 1e5
 )
 
-type (
+// DefaultObjectsListConfig return new default cache expiration values.
-	// ListObjectsCache contains cache for ListObjects and ListObjectVersions.
+func DefaultObjectsListConfig() *Config {
-	ListObjectsCache struct {
+	return &Config{Size: DefaultObjectsListCacheSize, Lifetime: DefaultObjectsListCacheLifetime}
-		lifetime time.Duration
+}
-		cache    gcache.Cache
-	}
-
-	// ObjectsListKey is a key to find a ObjectsListCache's entry.
-	ObjectsListKey struct {
-		cid    string
-		prefix string
-	}
-)
 
 // NewObjectsListCache is a constructor which creates an object of ListObjectsCache with given lifetime of entries.
-func NewObjectsListCache(cacheSize int, lifetime time.Duration) *ListObjectsCache {
+func NewObjectsListCache(config *Config) *ObjectsListCache {
-	gc := gcache.New(cacheSize).LRU().Build()
+	gc := gcache.New(config.Size).LRU().Expiration(config.Lifetime).Build()
-
+	return &ObjectsListCache{cache: gc}
-	return &ListObjectsCache{
-		cache:    gc,
-		lifetime: lifetime,
-	}
 }
 
 // Get return list of ObjectInfo.
-func (l *ListObjectsCache) Get(key ObjectsListKey) []*object.ID {
+func (l *ObjectsListCache) Get(key ObjectsListKey) []*object.ID {
 	entry, err := l.cache.Get(key)
 	if err != nil {
 		return nil
@@ -79,16 +70,16 @@ func (l *ListObjectsCache) Get(key ObjectsListKey) []*object.ID {
 }
 
 // Put puts a list of objects to cache.
-func (l *ListObjectsCache) Put(key ObjectsListKey, oids []*object.ID) error {
+func (l *ObjectsListCache) Put(key ObjectsListKey, oids []*object.ID) error {
 	if len(oids) == 0 {
 		return fmt.Errorf("list is empty, cid: %s, prefix: %s", key.cid, key.prefix)
 	}
 
-	return l.cache.SetWithExpire(key, oids, l.lifetime)
+	return l.cache.Set(key, oids)
 }
 
 // CleanCacheEntriesContainingObject deletes entries containing specified object.
-func (l *ListObjectsCache) CleanCacheEntriesContainingObject(objectName string, cid *cid.ID) {
+func (l *ObjectsListCache) CleanCacheEntriesContainingObject(objectName string, cid *cid.ID) {
 	cidStr := cid.String()
 	keys := l.cache.Keys(true)
 	for _, key := range keys {

api/cache/objectslist_test.go

@@ -14,6 +14,13 @@ import (
 const testingCacheLifetime = 5 * time.Second
 const testingCacheSize = 10
 
+func getTestObjectsListConfig() *Config {
+	return &Config{
+		Size:     testingCacheSize,
+		Lifetime: testingCacheLifetime,
+	}
+}
+
 func randID(t *testing.T) *object.ID {
 	id := object.NewID()
 	id.SetSHA256(randSHA256Checksum(t))
@@ -42,7 +49,8 @@ func TestObjectsListCache(t *testing.T) {
 
 	t.Run("lifetime", func(t *testing.T) {
 		var (
-			cache    = NewObjectsListCache(testingCacheSize, testingCacheLifetime)
+			config   = getTestObjectsListConfig()
+			cache    = NewObjectsListCache(config)
 			cacheKey = ObjectsListKey{cid: userKey}
 		)
 
@@ -53,13 +61,13 @@ func TestObjectsListCache(t *testing.T) {
 			return cache.Get(cacheKey) == nil
 		}
 
-		require.Never(t, condition, cache.lifetime, time.Second)
+		require.Never(t, condition, config.Lifetime, time.Second)
 		require.Eventually(t, condition, time.Second, 10*time.Millisecond)
 	})
 
 	t.Run("get cache with empty prefix", func(t *testing.T) {
 		var (
-			cache    = NewObjectsListCache(testingCacheSize, testingCacheLifetime)
+			cache    = NewObjectsListCache(getTestObjectsListConfig())
 			cacheKey = ObjectsListKey{cid: userKey}
 		)
 		err := cache.Put(cacheKey, ids)
@@ -79,7 +87,7 @@ func TestObjectsListCache(t *testing.T) {
 			prefix: "dir",
 		}
 
-		cache := NewObjectsListCache(testingCacheSize, testingCacheLifetime)
+		cache := NewObjectsListCache(getTestObjectsListConfig())
 		err := cache.Put(cacheKey, ids)
 		require.NoError(t, err)
 
@@ -104,7 +112,7 @@ func TestObjectsListCache(t *testing.T) {
 			}
 		)
 
-		cache := NewObjectsListCache(testingCacheSize, testingCacheLifetime)
+		cache := NewObjectsListCache(getTestObjectsListConfig())
 		err := cache.Put(cacheKey, ids)
 		require.NoError(t, err)
 
@@ -122,7 +130,7 @@ func TestObjectsListCache(t *testing.T) {
 			}
 		)
 
-		cache := NewObjectsListCache(testingCacheSize, testingCacheLifetime)
+		cache := NewObjectsListCache(getTestObjectsListConfig())
 		err := cache.Put(cacheKey, ids)
 		require.NoError(t, err)
 
@@ -143,7 +151,9 @@ func TestCleanCacheEntriesChangedWithPutObject(t *testing.T) {
 	}
 
 	t.Run("put object to the root of the bucket", func(t *testing.T) {
-		cache := NewObjectsListCache(testingCacheSize, time.Minute)
+		config := getTestObjectsListConfig()
+		config.Lifetime = time.Minute
+		cache := NewObjectsListCache(config)
 		for _, k := range keys {
 			err := cache.Put(k, oids)
 			require.NoError(t, err)
@@ -160,7 +170,9 @@ func TestCleanCacheEntriesChangedWithPutObject(t *testing.T) {
 	})
 
 	t.Run("put object to dir/", func(t *testing.T) {
-		cache := NewObjectsListCache(testingCacheSize, time.Minute)
+		config := getTestObjectsListConfig()
+		config.Lifetime = time.Minute
+		cache := NewObjectsListCache(config)
 		for _, k := range keys {
 			err := cache.Put(k, oids)
 			require.NoError(t, err)
@@ -177,7 +189,9 @@ func TestCleanCacheEntriesChangedWithPutObject(t *testing.T) {
 	})
 
 	t.Run("put object to dir/lol/", func(t *testing.T) {
-		cache := NewObjectsListCache(testingCacheSize, time.Minute)
+		config := getTestObjectsListConfig()
+		config.Lifetime = time.Minute
+		cache := NewObjectsListCache(config)
 		for _, k := range keys {
 			err := cache.Put(k, oids)
 			require.NoError(t, err)

api/cache/system.go

@@ -7,32 +7,33 @@ import (
 	"github.com/nspcc-dev/neofs-api-go/pkg/object"
 )
 
-type (
+// SystemCache provides lru cache for objects.
-	// SystemCache provides interface for lru cache for objects.
+// This cache contains "system" objects (bucket versioning settings, tagging object etc.).
-	// This cache contains "system" objects (bucket versioning settings, tagging object etc.).
+// Key is bucketName+systemFileName.
-	// Key is bucketName+systemFileName.
+type SystemCache struct {
-	SystemCache interface {
+	cache gcache.Cache
-		Get(key string) *object.Object
+}
-		Put(key string, obj *object.Object) error
-		Delete(key string) bool
-	}
 
-	// SysCache contains cache with objects and lifetime of cache entries.
+const (
-	SysCache struct {
+	// DefaultSystemCacheSize is a default maximum number of entries in cache.
-		cache    gcache.Cache
+	DefaultSystemCacheSize = 1e4
-		lifetime time.Duration
+	// DefaultSystemCacheLifetime is a default lifetime of entries in  cache.
-	}
+	DefaultSystemCacheLifetime = 5 * time.Minute
 )
 
-// NewSystemCache creates an object of SystemCache.
+// DefaultSystemConfig return new default cache expiration values.
-func NewSystemCache(cacheSize int, lifetime time.Duration) *SysCache {
+func DefaultSystemConfig() *Config {
-	gc := gcache.New(cacheSize).LRU().Build()
+	return &Config{Size: DefaultSystemCacheSize, Lifetime: DefaultSystemCacheLifetime}
+}
 
-	return &SysCache{cache: gc, lifetime: lifetime}
+// NewSystemCache creates an object of SystemCache.
+func NewSystemCache(config *Config) *SystemCache {
+	gc := gcache.New(config.Size).LRU().Expiration(config.Lifetime).Build()
+	return &SystemCache{cache: gc}
 }
 
 // Get returns cached object.
-func (o *SysCache) Get(key string) *object.Object {
+func (o *SystemCache) Get(key string) *object.Object {
 	entry, err := o.cache.Get(key)
 	if err != nil {
 		return nil
@@ -47,11 +48,11 @@ func (o *SysCache) Get(key string) *object.Object {
 }
 
 // Put puts an object to cache.
-func (o *SysCache) Put(key string, obj *object.Object) error {
+func (o *SystemCache) Put(key string, obj *object.Object) error {
-	return o.cache.SetWithExpire(key, obj, o.lifetime)
+	return o.cache.Set(key, obj)
 }
 
 // Delete deletes an object from cache.
-func (o *SysCache) Delete(key string) bool {
+func (o *SystemCache) Delete(key string) bool {
 	return o.cache.Remove(key)
 }

api/data/info.go

@@ -1,4 +1,4 @@
-package api
+package data
 
 import (
 	"time"

api/handler/acl.go

@@ -14,6 +14,7 @@ import (
 	"github.com/nspcc-dev/neofs-api-go/pkg/object"
 	"github.com/nspcc-dev/neofs-api-go/v2/acl"
 	"github.com/nspcc-dev/neofs-s3-gw/api"
+	"github.com/nspcc-dev/neofs-s3-gw/api/data"
 	"github.com/nspcc-dev/neofs-s3-gw/api/errors"
 	"github.com/nspcc-dev/neofs-s3-gw/api/layer"
 )
@@ -299,7 +300,7 @@ func (h *handler) GetBucketPolicyHandler(w http.ResponseWriter, r *http.Request)
 	}
 }
 
-func checkOwner(info *api.BucketInfo, owner string) error {
+func checkOwner(info *data.BucketInfo, owner string) error {
 	if owner == "" {
 		return nil
 	}

api/handler/copy.go

@@ -7,6 +7,7 @@ import (
 	"time"
 
 	"github.com/nspcc-dev/neofs-s3-gw/api"
+	"github.com/nspcc-dev/neofs-s3-gw/api/data"
 	"github.com/nspcc-dev/neofs-s3-gw/api/errors"
 	"github.com/nspcc-dev/neofs-s3-gw/api/layer"
 	"go.uber.org/zap"
@@ -32,7 +33,7 @@ func path2BucketObject(path string) (bucket, prefix string) {
 func (h *handler) CopyObjectHandler(w http.ResponseWriter, r *http.Request) {
 	var (
 		err      error
-		info     *api.ObjectInfo
+		info     *data.ObjectInfo
 		metadata map[string]string
 
 		reqInfo   = api.GetReqInfo(r.Context())

api/handler/get.go

@@ -8,6 +8,7 @@ import (
 	"time"
 
 	"github.com/nspcc-dev/neofs-s3-gw/api"
+	"github.com/nspcc-dev/neofs-s3-gw/api/data"
 	"github.com/nspcc-dev/neofs-s3-gw/api/errors"
 	"github.com/nspcc-dev/neofs-s3-gw/api/layer"
 )
@@ -65,7 +66,7 @@ func fetchRangeHeader(headers http.Header, fullSize uint64) (*layer.RangeParams,
 	return &layer.RangeParams{Start: start, End: end}, nil
 }
 
-func writeHeaders(h http.Header, info *api.ObjectInfo, tagSetLength int) {
+func writeHeaders(h http.Header, info *data.ObjectInfo, tagSetLength int) {
 	if len(info.ContentType) > 0 {
 		h.Set(api.ContentType, info.ContentType)
 	}
@@ -83,7 +84,7 @@ func writeHeaders(h http.Header, info *api.ObjectInfo, tagSetLength int) {
 func (h *handler) GetObjectHandler(w http.ResponseWriter, r *http.Request) {
 	var (
 		err    error
-		info   *api.ObjectInfo
+		info   *data.ObjectInfo
 		params *layer.RangeParams
 
 		reqInfo = api.GetReqInfo(r.Context())
@@ -143,7 +144,7 @@ func (h *handler) GetObjectHandler(w http.ResponseWriter, r *http.Request) {
 	}
 }
 
-func checkPreconditions(info *api.ObjectInfo, args *conditionalArgs) error {
+func checkPreconditions(info *data.ObjectInfo, args *conditionalArgs) error {
 	if len(args.IfMatch) > 0 && args.IfMatch != info.HashSum {
 		return errors.GetAPIError(errors.ErrPreconditionFailed)
 	}

api/handler/get_test.go

@@ -5,7 +5,7 @@ import (
 	"testing"
 	"time"
 
-	"github.com/nspcc-dev/neofs-s3-gw/api"
+	"github.com/nspcc-dev/neofs-s3-gw/api/data"
 	"github.com/nspcc-dev/neofs-s3-gw/api/errors"
 	"github.com/nspcc-dev/neofs-s3-gw/api/layer"
 	"github.com/stretchr/testify/require"
@@ -46,8 +46,8 @@ func TestFetchRangeHeader(t *testing.T) {
 	}
 }
 
-func newInfo(etag string, created time.Time) *api.ObjectInfo {
+func newInfo(etag string, created time.Time) *data.ObjectInfo {
-	return &api.ObjectInfo{
+	return &data.ObjectInfo{
 		HashSum: etag,
 		Created: created,
 	}
@@ -61,13 +61,13 @@ func TestPreconditions(t *testing.T) {
 
 	for _, tc := range []struct {
 		name     string
-		info     *api.ObjectInfo
+		info     *data.ObjectInfo
 		args     *conditionalArgs
 		expected error
 	}{
 		{
 			name:     "no conditions",
-			info:     new(api.ObjectInfo),
+			info:     new(data.ObjectInfo),
 			args:     new(conditionalArgs),
 			expected: nil,
 		},

api/handler/head.go

@@ -5,6 +5,7 @@ import (
 	"net/http"
 
 	"github.com/nspcc-dev/neofs-s3-gw/api"
+	"github.com/nspcc-dev/neofs-s3-gw/api/data"
 	"github.com/nspcc-dev/neofs-s3-gw/api/errors"
 	"github.com/nspcc-dev/neofs-s3-gw/api/layer"
 	"go.uber.org/zap"
@@ -27,7 +28,7 @@ func getRangeToDetectContentType(maxSize int64) *layer.RangeParams {
 func (h *handler) HeadObjectHandler(w http.ResponseWriter, r *http.Request) {
 	var (
 		err  error
-		info *api.ObjectInfo
+		info *data.ObjectInfo
 
 		reqInfo = api.GetReqInfo(r.Context())
 	)

api/handler/object_list.go

@@ -8,6 +8,7 @@ import (
 
 	"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/data"
 	"github.com/nspcc-dev/neofs-s3-gw/api/errors"
 	"github.com/nspcc-dev/neofs-s3-gw/api/layer"
 )
@@ -183,11 +184,11 @@ func fillPrefixes(src []string, encode string) []CommonPrefix {
 	return dst
 }
 
-func fillContentsWithOwner(src []*api.ObjectInfo, encode string) []Object {
+func fillContentsWithOwner(src []*data.ObjectInfo, encode string) []Object {
 	return fillContents(src, encode, true)
 }
 
-func fillContents(src []*api.ObjectInfo, encode string, fetchOwner bool) []Object {
+func fillContents(src []*data.ObjectInfo, encode string, fetchOwner bool) []Object {
 	var dst []Object
 	for _, obj := range src {
 		res := Object{

api/handler/put.go

@@ -17,6 +17,7 @@ import (
 	"github.com/nspcc-dev/neofs-api-go/pkg/acl/eacl"
 	"github.com/nspcc-dev/neofs-s3-gw/api"
 	"github.com/nspcc-dev/neofs-s3-gw/api/auth"
+	"github.com/nspcc-dev/neofs-s3-gw/api/data"
 	"github.com/nspcc-dev/neofs-s3-gw/api/errors"
 	"github.com/nspcc-dev/neofs-s3-gw/api/layer"
 	"go.uber.org/zap"
@@ -419,7 +420,7 @@ func containsACLHeaders(r *http.Request) bool {
 		r.Header.Get(api.AmzGrantFullControl) != "" || r.Header.Get(api.AmzGrantWrite) != ""
 }
 
-func (h *handler) getNewEAclTable(r *http.Request, objInfo *api.ObjectInfo) (*eacl.Table, error) {
+func (h *handler) getNewEAclTable(r *http.Request, objInfo *data.ObjectInfo) (*eacl.Table, error) {
 	var newEaclTable *eacl.Table
 	objectACL, err := parseACLHeaders(r)
 	if err != nil {

api/layer/container.go

@@ -12,6 +12,7 @@ import (
 	"github.com/nspcc-dev/neofs-api-go/pkg/container"
 	cid "github.com/nspcc-dev/neofs-api-go/pkg/container/id"
 	"github.com/nspcc-dev/neofs-s3-gw/api"
+	"github.com/nspcc-dev/neofs-s3-gw/api/data"
 	"github.com/nspcc-dev/neofs-s3-gw/api/errors"
 	"github.com/nspcc-dev/neofs-sdk-go/pool"
 	"go.uber.org/zap"
@@ -20,19 +21,19 @@ import (
 type (
 	// BucketACL extends BucketInfo by eacl.Table.
 	BucketACL struct {
-		Info *api.BucketInfo
+		Info *data.BucketInfo
 		EACL *eacl.Table
 	}
 )
 
-func (n *layer) containerInfo(ctx context.Context, cid *cid.ID) (*api.BucketInfo, error) {
+func (n *layer) containerInfo(ctx context.Context, cid *cid.ID) (*data.BucketInfo, error) {
 	var (
 		err       error
 		res       *container.Container
 		rid       = api.GetRequestID(ctx)
 		bearerOpt = n.BearerOpt(ctx)
 
-		info = &api.BucketInfo{
+		info = &data.BucketInfo{
 			CID:  cid,
 			Name: cid.String(),
 		}
@@ -83,7 +84,7 @@ func (n *layer) containerInfo(ctx context.Context, cid *cid.ID) (*api.BucketInfo
 	return info, nil
 }
 
-func (n *layer) containerList(ctx context.Context) ([]*api.BucketInfo, error) {
+func (n *layer) containerList(ctx context.Context) ([]*data.BucketInfo, error) {
 	var (
 		err       error
 		own       = n.Owner(ctx)
@@ -99,7 +100,7 @@ func (n *layer) containerList(ctx context.Context) ([]*api.BucketInfo, error) {
 		return nil, err
 	}
 
-	list := make([]*api.BucketInfo, 0, len(res))
+	list := make([]*data.BucketInfo, 0, len(res))
 	for _, cid := range res {
 		info, err := n.containerInfo(ctx, cid)
 		if err != nil {
@@ -117,7 +118,7 @@ func (n *layer) containerList(ctx context.Context) ([]*api.BucketInfo, error) {
 
 func (n *layer) createContainer(ctx context.Context, p *CreateBucketParams) (*cid.ID, error) {
 	var err error
-	bktInfo := &api.BucketInfo{
+	bktInfo := &data.BucketInfo{
 		Name:     p.Name,
 		Owner:    n.Owner(ctx),
 		Created:  time.Now(),

api/layer/layer.go

@@ -19,6 +19,7 @@ import (
 	"github.com/nspcc-dev/neofs-api-go/pkg/owner"
 	"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/data"
 	"github.com/nspcc-dev/neofs-s3-gw/api/errors"
 	"github.com/nspcc-dev/neofs-s3-gw/creds/accessbox"
 	"github.com/nspcc-dev/neofs-sdk-go/pool"
@@ -29,19 +30,20 @@ type (
 	layer struct {
 		pool        pool.Pool
 		log         *zap.Logger
-		listsCache  cache.ObjectsListCache
+		listsCache  *cache.ObjectsListCache
-		objCache    cache.ObjectsCache
+		objCache    *cache.ObjectsCache
-		namesCache  cache.ObjectsNameCache
+		namesCache  *cache.ObjectsNameCache
-		bucketCache cache.BucketCache
+		bucketCache *cache.BucketCache
-		systemCache cache.SystemCache
+		systemCache *cache.SystemCache
 	}
 
-	// CacheConfig contains params for caches.
+	// CachesConfig contains params for caches.
-	CacheConfig struct {
+	CachesConfig struct {
-		Lifetime            time.Duration
+		Objects     *cache.Config
-		Size                int
+		ObjectsList *cache.Config
-		ListObjectsLifetime time.Duration
+		Names       *cache.Config
-		ListObjectsSize     int
+		Buckets     *cache.Config
+		System      *cache.Config
 	}
 
 	// Params stores basic API parameters.
@@ -55,7 +57,7 @@ type (
 	// GetObjectParams stores object get request parameters.
 	GetObjectParams struct {
 		Range      *RangeParams
-		ObjectInfo *api.ObjectInfo
+		ObjectInfo *data.ObjectInfo
 		Offset     int64
 		Length     int64
 		Writer     io.Writer
@@ -97,7 +99,7 @@ type (
 
 	// CopyObjectParams stores object copy request parameters.
 	CopyObjectParams struct {
-		SrcObject *api.ObjectInfo
+		SrcObject *data.ObjectInfo
 		DstBucket string
 		DstObject string
 		SrcSize   int64
@@ -141,7 +143,7 @@ type (
 
 	// PutTaggingParams stores tag set params.
 	PutTaggingParams struct {
-		ObjectInfo *api.ObjectInfo
+		ObjectInfo *data.ObjectInfo
 		TagSet     map[string]string
 	}
 
@@ -154,33 +156,33 @@ type (
 	Client interface {
 		NeoFS
 
-		PutBucketVersioning(ctx context.Context, p *PutVersioningParams) (*api.ObjectInfo, error)
+		PutBucketVersioning(ctx context.Context, p *PutVersioningParams) (*data.ObjectInfo, error)
 		GetBucketVersioning(ctx context.Context, name string) (*BucketSettings, error)
 
-		ListBuckets(ctx context.Context) ([]*api.BucketInfo, error)
+		ListBuckets(ctx context.Context) ([]*data.BucketInfo, error)
-		GetBucketInfo(ctx context.Context, name string) (*api.BucketInfo, error)
+		GetBucketInfo(ctx context.Context, name string) (*data.BucketInfo, error)
 		GetBucketACL(ctx context.Context, name string) (*BucketACL, error)
 		PutBucketACL(ctx context.Context, p *PutBucketACLParams) error
 		CreateBucket(ctx context.Context, p *CreateBucketParams) (*cid.ID, error)
 		DeleteBucket(ctx context.Context, p *DeleteBucketParams) error
 
 		GetObject(ctx context.Context, p *GetObjectParams) error
-		GetObjectInfo(ctx context.Context, p *HeadObjectParams) (*api.ObjectInfo, error)
+		GetObjectInfo(ctx context.Context, p *HeadObjectParams) (*data.ObjectInfo, error)
-		GetObjectTagging(ctx context.Context, p *api.ObjectInfo) (map[string]string, error)
+		GetObjectTagging(ctx context.Context, p *data.ObjectInfo) (map[string]string, error)
 		GetBucketTagging(ctx context.Context, bucket string) (map[string]string, error)
 
-		PutObject(ctx context.Context, p *PutObjectParams) (*api.ObjectInfo, error)
+		PutObject(ctx context.Context, p *PutObjectParams) (*data.ObjectInfo, error)
 		PutObjectTagging(ctx context.Context, p *PutTaggingParams) error
 		PutBucketTagging(ctx context.Context, bucket string, tagSet map[string]string) error
 
-		CopyObject(ctx context.Context, p *CopyObjectParams) (*api.ObjectInfo, error)
+		CopyObject(ctx context.Context, p *CopyObjectParams) (*data.ObjectInfo, error)
 
 		ListObjectsV1(ctx context.Context, p *ListObjectsParamsV1) (*ListObjectsInfoV1, error)
 		ListObjectsV2(ctx context.Context, p *ListObjectsParamsV2) (*ListObjectsInfoV2, error)
 		ListObjectVersions(ctx context.Context, p *ListObjectVersionsParams) (*ListObjectVersionsInfo, error)
 
 		DeleteObjects(ctx context.Context, bucket string, objects []*VersionedObject) ([]*VersionedObject, error)
-		DeleteObjectTagging(ctx context.Context, p *api.ObjectInfo) error
+		DeleteObjectTagging(ctx context.Context, p *data.ObjectInfo) error
 		DeleteBucketTagging(ctx context.Context, bucket string) error
 	}
 )
@@ -194,18 +196,28 @@ func (t *VersionedObject) String() string {
 	return t.Name + ":" + t.VersionID
 }
 
+// DefaultCachesConfigs returns filled configs.
+func DefaultCachesConfigs() *CachesConfig {
+	return &CachesConfig{
+		Objects:     cache.DefaultObjectsConfig(),
+		ObjectsList: cache.DefaultObjectsListConfig(),
+		Names:       cache.DefaultObjectsNameConfig(),
+		Buckets:     cache.DefaultBucketConfig(),
+		System:      cache.DefaultSystemConfig(),
+	}
+}
+
 // NewLayer creates instance of layer. It checks credentials
 // and establishes gRPC connection with node.
-func NewLayer(log *zap.Logger, conns pool.Pool, config *CacheConfig) Client {
+func NewLayer(log *zap.Logger, conns pool.Pool, config *CachesConfig) Client {
 	return &layer{
-		pool:       conns,
+		pool:        conns,
-		log:        log,
+		log:         log,
-		listsCache: cache.NewObjectsListCache(config.ListObjectsSize, config.ListObjectsLifetime),
+		listsCache:  cache.NewObjectsListCache(config.ObjectsList),
-		objCache:   cache.New(config.Size, config.Lifetime),
+		objCache:    cache.New(config.Objects),
-		//todo reconsider cache params
+		namesCache:  cache.NewObjectsNameCache(config.Names),
-		namesCache:  cache.NewObjectsNameCache(1000, time.Minute),
+		bucketCache: cache.NewBucketCache(config.Buckets),
-		bucketCache: cache.NewBucketCache(150, time.Minute),
+		systemCache: cache.NewSystemCache(config.System),
-		systemCache: cache.NewSystemCache(1000, 5*time.Minute),
 	}
 }
 
@@ -243,7 +255,7 @@ func (n *layer) Get(ctx context.Context, address *object.Address) (*object.Objec
 }
 
 // GetBucketInfo returns bucket info by name.
-func (n *layer) GetBucketInfo(ctx context.Context, name string) (*api.BucketInfo, error) {
+func (n *layer) GetBucketInfo(ctx context.Context, name string) (*data.BucketInfo, error) {
 	name, err := url.QueryUnescape(name)
 	if err != nil {
 		return nil, err
@@ -301,7 +313,7 @@ func (n *layer) PutBucketACL(ctx context.Context, param *PutBucketACLParams) err
 
 // ListBuckets returns all user containers. Name of the bucket is a container
 // id. Timestamp is omitted since it is not saved in neofs container.
-func (n *layer) ListBuckets(ctx context.Context) ([]*api.BucketInfo, error) {
+func (n *layer) ListBuckets(ctx context.Context) ([]*data.BucketInfo, error) {
 	return n.containerList(ctx)
 }
 
@@ -337,7 +349,7 @@ func (n *layer) GetObject(ctx context.Context, p *GetObjectParams) error {
 }
 
 // GetObjectInfo returns meta information about the object.
-func (n *layer) GetObjectInfo(ctx context.Context, p *HeadObjectParams) (*api.ObjectInfo, error) {
+func (n *layer) GetObjectInfo(ctx context.Context, p *HeadObjectParams) (*data.ObjectInfo, error) {
 	bkt, err := n.GetBucketInfo(ctx, p.Bucket)
 	if err != nil {
 		n.log.Error("could not fetch bucket info", zap.Error(err))
@@ -352,7 +364,7 @@ func (n *layer) GetObjectInfo(ctx context.Context, p *HeadObjectParams) (*api.Ob
 }
 
 // PutObject into storage.
-func (n *layer) PutObject(ctx context.Context, p *PutObjectParams) (*api.ObjectInfo, error) {
+func (n *layer) PutObject(ctx context.Context, p *PutObjectParams) (*data.ObjectInfo, error) {
 	bkt, err := n.GetBucketInfo(ctx, p.Bucket)
 	if err != nil {
 		return nil, err
@@ -362,8 +374,8 @@ func (n *layer) PutObject(ctx context.Context, p *PutObjectParams) (*api.ObjectI
 }
 
 // GetObjectTagging from storage.
-func (n *layer) GetObjectTagging(ctx context.Context, oi *api.ObjectInfo) (map[string]string, error) {
+func (n *layer) GetObjectTagging(ctx context.Context, oi *data.ObjectInfo) (map[string]string, error) {
-	bktInfo := &api.BucketInfo{
+	bktInfo := &data.BucketInfo{
 		Name:  oi.Bucket,
 		CID:   oi.CID,
 		Owner: oi.Owner,
@@ -392,7 +404,7 @@ func (n *layer) GetBucketTagging(ctx context.Context, bucketName string) (map[st
 	return formTagSet(objInfo), nil
 }
 
-func formTagSet(objInfo *api.ObjectInfo) map[string]string {
+func formTagSet(objInfo *data.ObjectInfo) map[string]string {
 	var tagSet map[string]string
 	if objInfo != nil {
 		tagSet = make(map[string]string, len(objInfo.Headers))
@@ -410,7 +422,7 @@ func formTagSet(objInfo *api.ObjectInfo) map[string]string {
 
 // PutObjectTagging into storage.
 func (n *layer) PutObjectTagging(ctx context.Context, p *PutTaggingParams) error {
-	bktInfo := &api.BucketInfo{
+	bktInfo := &data.BucketInfo{
 		Name:  p.ObjectInfo.Bucket,
 		CID:   p.ObjectInfo.CID,
 		Owner: p.ObjectInfo.Owner,
@@ -438,7 +450,7 @@ func (n *layer) PutBucketTagging(ctx context.Context, bucketName string, tagSet
 }
 
 // DeleteObjectTagging from storage.
-func (n *layer) DeleteObjectTagging(ctx context.Context, p *api.ObjectInfo) error {
+func (n *layer) DeleteObjectTagging(ctx context.Context, p *data.ObjectInfo) error {
 	bktInfo, err := n.GetBucketInfo(ctx, p.Bucket)
 	if err != nil {
 		return err
@@ -446,7 +458,7 @@ func (n *layer) DeleteObjectTagging(ctx context.Context, p *api.ObjectInfo) erro
 	return n.deleteSystemObject(ctx, bktInfo, p.TagsObject())
 }
 
-func (n *layer) deleteSystemObject(ctx context.Context, bktInfo *api.BucketInfo, name string) error {
+func (n *layer) deleteSystemObject(ctx context.Context, bktInfo *data.BucketInfo, name string) error {
 	var oid *object.ID
 	if meta := n.systemCache.Get(bktInfo.SystemObjectKey(name)); meta != nil {
 		oid = meta.ID()
@@ -475,7 +487,7 @@ func (n *layer) DeleteBucketTagging(ctx context.Context, bucketName string) erro
 	return n.deleteSystemObject(ctx, bktInfo, formBucketTagObjectName(bucketName))
 }
 
-func (n *layer) putSystemObject(ctx context.Context, bktInfo *api.BucketInfo, objName string, metadata map[string]string, prefix string) (*object.Object, error) {
+func (n *layer) putSystemObject(ctx context.Context, bktInfo *data.BucketInfo, objName string, metadata map[string]string, prefix string) (*object.Object, error) {
 	var (
 		err    error
 		oldOID *object.ID
@@ -542,7 +554,7 @@ func (n *layer) putSystemObject(ctx context.Context, bktInfo *api.BucketInfo, ob
 	return meta, nil
 }
 
-func (n *layer) getSystemObject(ctx context.Context, bkt *api.BucketInfo, objName string) (*api.ObjectInfo, error) {
+func (n *layer) getSystemObject(ctx context.Context, bkt *data.BucketInfo, objName string) (*data.ObjectInfo, error) {
 	if meta := n.systemCache.Get(bkt.SystemObjectKey(objName)); meta != nil {
 		return objInfoFromMeta(bkt, meta), nil
 	}
@@ -564,7 +576,7 @@ func (n *layer) getSystemObject(ctx context.Context, bkt *api.BucketInfo, objNam
 }
 
 // CopyObject from one bucket into another bucket.
-func (n *layer) CopyObject(ctx context.Context, p *CopyObjectParams) (*api.ObjectInfo, error) {
+func (n *layer) CopyObject(ctx context.Context, p *CopyObjectParams) (*data.ObjectInfo, error) {
 	pr, pw := io.Pipe()
 
 	go func() {
@@ -588,7 +600,7 @@ func (n *layer) CopyObject(ctx context.Context, p *CopyObjectParams) (*api.Objec
 }
 
 // DeleteObject removes all objects with passed nice name.
-func (n *layer) deleteObject(ctx context.Context, bkt *api.BucketInfo, obj *VersionedObject) *VersionedObject {
+func (n *layer) deleteObject(ctx context.Context, bkt *data.BucketInfo, obj *VersionedObject) *VersionedObject {
 	var (
 		err error
 		ids []*object.ID
@@ -642,7 +654,7 @@ func (n *layer) deleteObject(ctx context.Context, bkt *api.BucketInfo, obj *Vers
 			obj.Error = err
 			return obj
 		}
-		if err = n.DeleteObjectTagging(ctx, &api.ObjectInfo{ID: id, Bucket: bkt.Name, Name: obj.Name}); err != nil {
+		if err = n.DeleteObjectTagging(ctx, &data.ObjectInfo{ID: id, Bucket: bkt.Name, Name: obj.Name}); err != nil {
 			obj.Error = err
 			return obj
 		}

api/layer/object.go

@@ -16,6 +16,7 @@ import (
 	"github.com/nspcc-dev/neofs-api-go/pkg/owner"
 	"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/data"
 	apiErrors "github.com/nspcc-dev/neofs-s3-gw/api/errors"
 	"go.uber.org/zap"
 )
@@ -62,7 +63,7 @@ type (
 	}
 
 	allObjectParams struct {
-		Bucket    *api.BucketInfo
+		Bucket    *data.BucketInfo
 		Delimiter string
 		Prefix    string
 	}
@@ -134,7 +135,7 @@ func (n *layer) objectRange(ctx context.Context, p *getParams) ([]byte, error) {
 }
 
 // objectPut into NeoFS, took payload from io.Reader.
-func (n *layer) objectPut(ctx context.Context, bkt *api.BucketInfo, p *PutObjectParams) (*api.ObjectInfo, error) {
+func (n *layer) objectPut(ctx context.Context, bkt *data.BucketInfo, p *PutObjectParams) (*data.ObjectInfo, error) {
 	own := n.Owner(ctx)
 	obj, err := url.QueryUnescape(p.Object)
 	if err != nil {
@@ -198,7 +199,7 @@ func (n *layer) objectPut(ctx context.Context, bkt *api.BucketInfo, p *PutObject
 		}
 	}
 
-	return &api.ObjectInfo{
+	return &data.ObjectInfo{
 		ID:  oid,
 		CID: bkt.CID,
 
@@ -287,7 +288,7 @@ func updateCRDT2PSetHeaders(p *PutObjectParams, versions *objectVersions, versio
 	return idsToDeleteArr
 }
 
-func (n *layer) headLastVersionIfNotDeleted(ctx context.Context, bkt *api.BucketInfo, objectName string) (*api.ObjectInfo, error) {
+func (n *layer) headLastVersionIfNotDeleted(ctx context.Context, bkt *data.BucketInfo, objectName string) (*data.ObjectInfo, error) {
 	if address := n.namesCache.Get(bkt.Name + "/" + objectName); address != nil {
 		if headInfo := n.objCache.Get(address); headInfo != nil {
 			return objInfoFromMeta(bkt, headInfo), nil
@@ -313,7 +314,7 @@ func (n *layer) headLastVersionIfNotDeleted(ctx context.Context, bkt *api.Bucket
 	return lastVersion, nil
 }
 
-func (n *layer) headVersions(ctx context.Context, bkt *api.BucketInfo, objectName string) (*objectVersions, error) {
+func (n *layer) headVersions(ctx context.Context, bkt *data.BucketInfo, objectName string) (*objectVersions, error) {
 	ids, err := n.objectSearch(ctx, &findParams{cid: bkt.CID, val: objectName})
 	if err != nil {
 		return nil, err
@@ -351,7 +352,7 @@ func (n *layer) headVersions(ctx context.Context, bkt *api.BucketInfo, objectNam
 	return versions, nil
 }
 
-func (n *layer) headVersion(ctx context.Context, bkt *api.BucketInfo, versionID string) (*api.ObjectInfo, error) {
+func (n *layer) headVersion(ctx context.Context, bkt *data.BucketInfo, versionID string) (*data.ObjectInfo, error) {
 	oid := object.NewID()
 	if err := oid.Parse(versionID); err != nil {
 		return nil, err
@@ -396,7 +397,7 @@ func (n *layer) ListObjectsV1(ctx context.Context, p *ListObjectsParamsV1) (*Lis
 	var (
 		err        error
 		result     ListObjectsInfoV1
-		allObjects []*api.ObjectInfo
+		allObjects []*data.ObjectInfo
 	)
 
 	if p.MaxKeys == 0 {
@@ -431,7 +432,7 @@ func (n *layer) ListObjectsV2(ctx context.Context, p *ListObjectsParamsV2) (*Lis
 	var (
 		err        error
 		result     ListObjectsInfoV2
-		allObjects []*api.ObjectInfo
+		allObjects []*data.ObjectInfo
 	)
 
 	if p.MaxKeys == 0 {
@@ -465,13 +466,13 @@ func (n *layer) ListObjectsV2(ctx context.Context, p *ListObjectsParamsV2) (*Lis
 	return &result, nil
 }
 
-func (n *layer) listSortedObjects(ctx context.Context, p allObjectParams) ([]*api.ObjectInfo, error) {
+func (n *layer) listSortedObjects(ctx context.Context, p allObjectParams) ([]*data.ObjectInfo, error) {
 	versions, err := n.getAllObjectsVersions(ctx, p.Bucket, p.Prefix, p.Delimiter)
 	if err != nil {
 		return nil, err
 	}
 
-	objects := make([]*api.ObjectInfo, 0, len(versions))
+	objects := make([]*data.ObjectInfo, 0, len(versions))
 	for _, v := range versions {
 		lastVersion := v.getLast()
 		if lastVersion != nil {
@@ -486,7 +487,7 @@ func (n *layer) listSortedObjects(ctx context.Context, p allObjectParams) ([]*ap
 	return objects, nil
 }
 
-func (n *layer) getAllObjectsVersions(ctx context.Context, bkt *api.BucketInfo, prefix, delimiter string) (map[string]*objectVersions, error) {
+func (n *layer) getAllObjectsVersions(ctx context.Context, bkt *data.BucketInfo, prefix, delimiter string) (map[string]*objectVersions, error) {
 	var err error
 
 	cacheKey := cache.CreateObjectsListCacheKey(bkt.CID, prefix)
@@ -534,12 +535,12 @@ func splitVersions(header string) []string {
 	return strings.Split(header, ",")
 }
 
-func isSystem(obj *api.ObjectInfo) bool {
+func isSystem(obj *data.ObjectInfo) bool {
 	return len(obj.Headers[objectSystemAttributeName]) > 0 ||
 		len(obj.Headers[attrVersionsIgnore]) > 0
 }
 
-func trimAfterObjectName(startAfter string, objects []*api.ObjectInfo) []*api.ObjectInfo {
+func trimAfterObjectName(startAfter string, objects []*data.ObjectInfo) []*data.ObjectInfo {
 	if len(objects) != 0 && objects[len(objects)-1].Name <= startAfter {
 		return nil
 	}
@@ -552,9 +553,9 @@ func trimAfterObjectName(startAfter string, objects []*api.ObjectInfo) []*api.Ob
 	return nil
 }
 
-func trimAfterObjectID(id string, objects []*api.ObjectInfo) []*api.ObjectInfo {
+func trimAfterObjectID(id string, objects []*data.ObjectInfo) []*data.ObjectInfo {
 	if len(objects) != 0 && objects[len(objects)-1].ID.String() == id {
-		return []*api.ObjectInfo{}
+		return []*data.ObjectInfo{}
 	}
 	for i, obj := range objects {
 		if obj.ID.String() == id {
@@ -565,7 +566,7 @@ func trimAfterObjectID(id string, objects []*api.ObjectInfo) []*api.ObjectInfo {
 	return nil
 }
 
-func triageObjects(allObjects []*api.ObjectInfo) (prefixes []string, objects []*api.ObjectInfo) {
+func triageObjects(allObjects []*data.ObjectInfo) (prefixes []string, objects []*data.ObjectInfo) {
 	for _, ov := range allObjects {
 		if ov.IsDir {
 			prefixes = append(prefixes, ov.Name)
@@ -577,11 +578,11 @@ func triageObjects(allObjects []*api.ObjectInfo) (prefixes []string, objects []*
 	return
 }
 
-func (n *layer) listAllObjects(ctx context.Context, p ListObjectsParamsCommon) ([]*api.ObjectInfo, error) {
+func (n *layer) listAllObjects(ctx context.Context, p ListObjectsParamsCommon) ([]*data.ObjectInfo, error) {
 	var (
 		err        error
-		bkt        *api.BucketInfo
+		bkt        *data.BucketInfo
-		allObjects []*api.ObjectInfo
+		allObjects []*data.ObjectInfo
 	)
 
 	if bkt, err = n.GetBucketInfo(ctx, p.Bucket); err != nil {
@@ -600,7 +601,7 @@ func (n *layer) listAllObjects(ctx context.Context, p ListObjectsParamsCommon) (
 	return allObjects, nil
 }
 
-func (n *layer) isVersioningEnabled(ctx context.Context, bktInfo *api.BucketInfo) bool {
+func (n *layer) isVersioningEnabled(ctx context.Context, bktInfo *data.BucketInfo) bool {
 	settings, err := n.getBucketSettings(ctx, bktInfo)
 	if err != nil {
 		n.log.Warn("couldn't get versioning settings object", zap.Error(err))

api/layer/object_test.go

@@ -6,7 +6,7 @@ import (
 	"testing"
 
 	"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/data"
 	"github.com/stretchr/testify/require"
 )
 
@@ -26,11 +26,11 @@ func randSHA256Checksum(t *testing.T) (cs [sha256.Size]byte) {
 
 func TestTrimAfterObjectName(t *testing.T) {
 	var (
-		objects []*api.ObjectInfo
+		objects []*data.ObjectInfo
 		names   = []string{"b", "c", "d"}
 	)
 	for _, name := range names {
-		objects = append(objects, &api.ObjectInfo{Name: name})
+		objects = append(objects, &data.ObjectInfo{Name: name})
 	}
 
 	t.Run("startafter before all objects", func(t *testing.T) {
@@ -59,7 +59,7 @@ func TestTrimAfterObjectName(t *testing.T) {
 	})
 
 	t.Run("empty objects", func(t *testing.T) {
-		actual := trimAfterObjectName(names[0], []*api.ObjectInfo{})
+		actual := trimAfterObjectName(names[0], []*data.ObjectInfo{})
 		require.Nil(t, actual)
 	})
 
@@ -76,14 +76,14 @@ func TestTrimAfterObjectName(t *testing.T) {
 
 func TestTrimAfterObjectID(t *testing.T) {
 	var (
-		objects     []*api.ObjectInfo
+		objects     []*data.ObjectInfo
 		ids         []*object.ID
 		numberOfIDS = 3
 	)
 
 	for i := 0; i < numberOfIDS; i++ {
 		id := randID(t)
-		objects = append(objects, &api.ObjectInfo{ID: id})
+		objects = append(objects, &data.ObjectInfo{ID: id})
 		ids = append(ids, id)
 	}
 

api/layer/util.go

@@ -10,6 +10,7 @@ import (
 
 	"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/data"
 	"github.com/nspcc-dev/neofs-s3-gw/creds/accessbox"
 )
 
@@ -17,7 +18,7 @@ type (
 	// ListObjectsInfo contains common fields of data for ListObjectsV1 and ListObjectsV2.
 	ListObjectsInfo struct {
 		Prefixes    []string
-		Objects     []*api.ObjectInfo
+		Objects     []*data.ObjectInfo
 		IsTruncated bool
 	}
 
@@ -35,7 +36,7 @@ type (
 
 	// ObjectVersionInfo stores info about objects versions.
 	ObjectVersionInfo struct {
-		Object   *api.ObjectInfo
+		Object   *data.ObjectInfo
 		IsLatest bool
 	}
 
@@ -65,11 +66,11 @@ func userHeaders(attrs []*object.Attribute) map[string]string {
 	return result
 }
 
-func objInfoFromMeta(bkt *api.BucketInfo, meta *object.Object) *api.ObjectInfo {
+func objInfoFromMeta(bkt *data.BucketInfo, meta *object.Object) *data.ObjectInfo {
 	return objectInfoFromMeta(bkt, meta, "", "")
 }
 
-func objectInfoFromMeta(bkt *api.BucketInfo, meta *object.Object, prefix, delimiter string) *api.ObjectInfo {
+func objectInfoFromMeta(bkt *data.BucketInfo, meta *object.Object, prefix, delimiter string) *data.ObjectInfo {
 	var (
 		isDir    bool
 		size     int64
@@ -110,7 +111,7 @@ func objectInfoFromMeta(bkt *api.BucketInfo, meta *object.Object, prefix, delimi
 		size = int64(meta.PayloadSize())
 	}
 
-	return &api.ObjectInfo{
+	return &data.ObjectInfo{
 		ID:    meta.ID(),
 		CID:   bkt.CID,
 		IsDir: isDir,

api/layer/util_test.go

@@ -9,7 +9,7 @@ import (
 	cid "github.com/nspcc-dev/neofs-api-go/pkg/container/id"
 	"github.com/nspcc-dev/neofs-api-go/pkg/object"
 	"github.com/nspcc-dev/neofs-api-go/pkg/owner"
-	"github.com/nspcc-dev/neofs-s3-gw/api"
+	"github.com/nspcc-dev/neofs-s3-gw/api/data"
 	"github.com/stretchr/testify/require"
 )
 
@@ -20,7 +20,7 @@ var (
 	defaultTestContentType   = http.DetectContentType(defaultTestPayload)
 )
 
-func newTestObject(oid *object.ID, bkt *api.BucketInfo, name string) *object.Object {
+func newTestObject(oid *object.ID, bkt *data.BucketInfo, name string) *object.Object {
 	filename := object.NewAttribute()
 	filename.SetKey(object.AttributeFileName)
 	filename.SetValue(name)
@@ -44,8 +44,8 @@ func newTestObject(oid *object.ID, bkt *api.BucketInfo, name string) *object.Obj
 	return raw.Object()
 }
 
-func newTestInfo(oid *object.ID, bkt *api.BucketInfo, name string, isDir bool) *api.ObjectInfo {
+func newTestInfo(oid *object.ID, bkt *data.BucketInfo, name string, isDir bool) *data.ObjectInfo {
-	info := &api.ObjectInfo{
+	info := &data.ObjectInfo{
 		ID:          oid,
 		Name:        name,
 		Bucket:      bkt.Name,
@@ -72,7 +72,7 @@ func Test_objectInfoFromMeta(t *testing.T) {
 	oid := object.NewID()
 	containerID := cid.New()
 
-	bkt := &api.BucketInfo{
+	bkt := &data.BucketInfo{
 		Name:    "test-container",
 		CID:     containerID,
 		Owner:   uid,
@@ -82,7 +82,7 @@ func Test_objectInfoFromMeta(t *testing.T) {
 	cases := []struct {
 		name      string
 		prefix    string
-		result    *api.ObjectInfo
+		result    *data.ObjectInfo
 		object    *object.Object
 		delimiter string
 	}{

api/layer/versioning.go

@@ -8,13 +8,13 @@ import (
 	"strings"
 
 	"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/data"
 	"github.com/nspcc-dev/neofs-s3-gw/api/errors"
 )
 
 type objectVersions struct {
 	name     string
-	objects  []*api.ObjectInfo
+	objects  []*data.ObjectInfo
 	addList  []string
 	delList  []string
 	isSorted bool
@@ -40,7 +40,7 @@ func (v *objectVersions) isAddListEmpty() bool {
 	return len(v.addList) == 0
 }
 
-func (v *objectVersions) appendVersion(oi *api.ObjectInfo) {
+func (v *objectVersions) appendVersion(oi *data.ObjectInfo) {
 	delVers := splitVersions(oi.Headers[versionsDelAttr])
 	v.objects = append(v.objects, oi)
 
@@ -100,7 +100,7 @@ func (v *objectVersions) formAddList() {
 	}
 }
 
-func containsVersions(obj *api.ObjectInfo, versions []string) bool {
+func containsVersions(obj *data.ObjectInfo, versions []string) bool {
 	header := obj.Headers[versionsAddAttr]
 	for _, version := range versions {
 		if !strings.Contains(header, version) {
@@ -156,7 +156,7 @@ LOOP:
 	return commonAddedVersions, prevVersions, currentVersions
 }
 
-func (v *objectVersions) getLast() *api.ObjectInfo {
+func (v *objectVersions) getLast() *data.ObjectInfo {
 	if v == nil || len(v.objects) == 0 {
 		return nil
 	}
@@ -189,14 +189,14 @@ func (v *objectVersions) existedVersions() []string {
 	return res
 }
 
-func (v *objectVersions) getFiltered(reverse bool) []*api.ObjectInfo {
+func (v *objectVersions) getFiltered(reverse bool) []*data.ObjectInfo {
 	if len(v.objects) == 0 {
 		return nil
 	}
 
 	v.sort()
 	existedVersions := v.existedVersions()
-	res := make([]*api.ObjectInfo, 0, len(v.objects))
+	res := make([]*data.ObjectInfo, 0, len(v.objects))
 
 	for _, version := range v.objects {
 		delMark := version.Headers[versionsDeleteMarkAttr]
@@ -223,7 +223,7 @@ func (v *objectVersions) getDelHeader() string {
 	return strings.Join(v.delList, ",")
 }
 
-func (v *objectVersions) getVersion(oid *object.ID) *api.ObjectInfo {
+func (v *objectVersions) getVersion(oid *object.ID) *data.ObjectInfo {
 	for _, version := range v.objects {
 		if version.Version() == oid.String() {
 			if contains(v.delList, oid.String()) {
@@ -234,7 +234,7 @@ func (v *objectVersions) getVersion(oid *object.ID) *api.ObjectInfo {
 	}
 	return nil
 }
-func (n *layer) PutBucketVersioning(ctx context.Context, p *PutVersioningParams) (*api.ObjectInfo, error) {
+func (n *layer) PutBucketVersioning(ctx context.Context, p *PutVersioningParams) (*data.ObjectInfo, error) {
 	bktInfo, err := n.GetBucketInfo(ctx, p.Bucket)
 	if err != nil {
 		return nil, err
@@ -264,7 +264,7 @@ func (n *layer) GetBucketVersioning(ctx context.Context, bucketName string) (*Bu
 func (n *layer) ListObjectVersions(ctx context.Context, p *ListObjectVersionsParams) (*ListObjectVersionsInfo, error) {
 	var (
 		versions   map[string]*objectVersions
-		allObjects = make([]*api.ObjectInfo, 0, p.MaxKeys)
+		allObjects = make([]*data.ObjectInfo, 0, p.MaxKeys)
 		res        = &ListObjectVersionsInfo{}
 		reverse    = true
 	)
@@ -347,7 +347,7 @@ func contains(list []string, elem string) bool {
 	return false
 }
 
-func (n *layer) getBucketSettings(ctx context.Context, bktInfo *api.BucketInfo) (*BucketSettings, error) {
+func (n *layer) getBucketSettings(ctx context.Context, bktInfo *data.BucketInfo) (*BucketSettings, error) {
 	objInfo, err := n.getSystemObject(ctx, bktInfo, bktInfo.SettingsObjectName())
 	if err != nil {
 		return nil, err
@@ -356,7 +356,7 @@ func (n *layer) getBucketSettings(ctx context.Context, bktInfo *api.BucketInfo)
 	return objectInfoToBucketSettings(objInfo), nil
 }
 
-func objectInfoToBucketSettings(info *api.ObjectInfo) *BucketSettings {
+func objectInfoToBucketSettings(info *data.ObjectInfo) *BucketSettings {
 	res := &BucketSettings{}
 
 	enabled, ok := info.Headers[attrSettingsVersioningEnabled]
@@ -368,7 +368,7 @@ func objectInfoToBucketSettings(info *api.ObjectInfo) *BucketSettings {
 	return res
 }
 
-func (n *layer) checkVersionsExist(ctx context.Context, bkt *api.BucketInfo, obj *VersionedObject) (*api.ObjectInfo, error) {
+func (n *layer) checkVersionsExist(ctx context.Context, bkt *data.BucketInfo, obj *VersionedObject) (*data.ObjectInfo, error) {
 	id := object.NewID()
 	if err := id.Parse(obj.VersionID); err != nil {
 		return nil, errors.GetAPIError(errors.ErrInvalidVersion)

api/layer/versioning_test.go

@@ -21,7 +21,7 @@ import (
 	"github.com/nspcc-dev/neofs-api-go/pkg/session"
 	"github.com/nspcc-dev/neofs-api-go/pkg/token"
 	"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/data"
 	"github.com/nspcc-dev/neofs-s3-gw/creds/accessbox"
 	"github.com/nspcc-dev/neofs-sdk-go/logger"
 	"github.com/nspcc-dev/neofs-sdk-go/pool"
@@ -208,7 +208,7 @@ func (t *testPool) WaitForContainerPresence(ctx context.Context, id *cid.ID, par
 	return nil
 }
 
-func (tc *testContext) putObject(content []byte) *api.ObjectInfo {
+func (tc *testContext) putObject(content []byte) *data.ObjectInfo {
 	objInfo, err := tc.layer.PutObject(tc.ctx, &PutObjectParams{
 		Bucket: tc.bkt,
 		Object: tc.obj,
@@ -221,7 +221,7 @@ func (tc *testContext) putObject(content []byte) *api.ObjectInfo {
 	return objInfo
 }
 
-func (tc *testContext) getObject(objectName, versionID string, needError bool) (*api.ObjectInfo, []byte) {
+func (tc *testContext) getObject(objectName, versionID string, needError bool) (*data.ObjectInfo, []byte) {
 	objInfo, err := tc.layer.GetObjectInfo(tc.ctx, &HeadObjectParams{
 		Bucket:    tc.bkt,
 		Object:    objectName,
@@ -254,7 +254,7 @@ func (tc *testContext) deleteObject(objectName, versionID string) {
 	}
 }
 
-func (tc *testContext) listObjectsV1() []*api.ObjectInfo {
+func (tc *testContext) listObjectsV1() []*data.ObjectInfo {
 	res, err := tc.layer.ListObjectsV1(tc.ctx, &ListObjectsParamsV1{
 		ListObjectsParamsCommon: ListObjectsParamsCommon{
 			Bucket:  tc.bkt,
@@ -265,7 +265,7 @@ func (tc *testContext) listObjectsV1() []*api.ObjectInfo {
 	return res.Objects
 }
 
-func (tc *testContext) listObjectsV2() []*api.ObjectInfo {
+func (tc *testContext) listObjectsV2() []*data.ObjectInfo {
 	res, err := tc.layer.ListObjectsV2(tc.ctx, &ListObjectsParamsV2{
 		ListObjectsParamsCommon: ListObjectsParamsCommon{
 			Bucket:  tc.bkt,
@@ -329,13 +329,8 @@ func prepareContext(t *testing.T) *testContext {
 	require.NoError(t, err)
 
 	return &testContext{
-		ctx: ctx,
+		ctx:      ctx,
-		layer: NewLayer(l, tp, &CacheConfig{
+		layer:    NewLayer(l, tp, DefaultCachesConfigs()),
-			Size:                cache.DefaultObjectsCacheSize,
-			Lifetime:            cache.DefaultObjectsCacheLifetime,
-			ListObjectsLifetime: cache.DefaultObjectsListCacheLifetime,
-			ListObjectsSize:     cache.DefaultObjectsListCacheSize},
-		),
 		bkt:      bktName,
 		bktID:    bktID,
 		obj:      "obj1",
@@ -457,7 +452,7 @@ func TestGetLastVersion(t *testing.T) {
 
 	for _, tc := range []struct {
 		versions *objectVersions
-		expected *api.ObjectInfo
+		expected *data.ObjectInfo
 	}{
 		{
 			versions: &objectVersions{},
@@ -465,21 +460,21 @@ func TestGetLastVersion(t *testing.T) {
 		},
 		{
 			versions: &objectVersions{
-				objects: []*api.ObjectInfo{obj2, obj1},
+				objects: []*data.ObjectInfo{obj2, obj1},
 				addList: []string{obj1.Version(), obj2.Version()},
 			},
 			expected: obj2,
 		},
 		{
 			versions: &objectVersions{
-				objects: []*api.ObjectInfo{obj2, obj1, obj3},
+				objects: []*data.ObjectInfo{obj2, obj1, obj3},
 				addList: []string{obj1.Version(), obj2.Version(), obj3.Version()},
 			},
 			expected: nil,
 		},
 		{
 			versions: &objectVersions{
-				objects: []*api.ObjectInfo{obj2, obj1, obj4},
+				objects: []*data.ObjectInfo{obj2, obj1, obj4},
 				addList: []string{obj1.Version(), obj2.Version(), obj4.Version()},
 				delList: []string{obj2.Version()},
 			},
@@ -487,7 +482,7 @@ func TestGetLastVersion(t *testing.T) {
 		},
 		{
 			versions: &objectVersions{
-				objects: []*api.ObjectInfo{obj1, obj5},
+				objects: []*data.ObjectInfo{obj1, obj5},
 				addList: []string{obj1.Version(), obj5.Version()},
 				delList: []string{obj1.Version()},
 			},
@@ -495,13 +490,13 @@ func TestGetLastVersion(t *testing.T) {
 		},
 		{
 			versions: &objectVersions{
-				objects: []*api.ObjectInfo{obj5},
+				objects: []*data.ObjectInfo{obj5},
 			},
 			expected: nil,
 		},
 		{
 			versions: &objectVersions{
-				objects: []*api.ObjectInfo{obj1, obj2, obj3, obj6},
+				objects: []*data.ObjectInfo{obj1, obj2, obj3, obj6},
 				addList: []string{obj1.Version(), obj2.Version(), obj3.Version(), obj6.Version()},
 				delList: []string{obj3.Version()},
 			},
@@ -509,7 +504,7 @@ func TestGetLastVersion(t *testing.T) {
 		},
 		{
 			versions: &objectVersions{
-				objects: []*api.ObjectInfo{obj1, obj1V2},
+				objects: []*data.ObjectInfo{obj1, obj1V2},
 				addList: []string{obj1.Version(), obj1V2.Version()},
 			},
 			expected: obj1V2,
@@ -530,51 +525,51 @@ func TestAppendVersions(t *testing.T) {
 
 	for _, tc := range []struct {
 		versions         *objectVersions
-		objectToAdd      *api.ObjectInfo
+		objectToAdd      *data.ObjectInfo
 		expectedVersions *objectVersions
 	}{
 		{
 			versions:    &objectVersions{},
 			objectToAdd: obj1,
 			expectedVersions: &objectVersions{
-				objects:  []*api.ObjectInfo{obj1},
+				objects:  []*data.ObjectInfo{obj1},
 				addList:  []string{obj1.Version()},
 				isSorted: true,
 			},
 		},
 		{
-			versions:    &objectVersions{objects: []*api.ObjectInfo{obj1}},
+			versions:    &objectVersions{objects: []*data.ObjectInfo{obj1}},
 			objectToAdd: obj2,
 			expectedVersions: &objectVersions{
-				objects:  []*api.ObjectInfo{obj1, obj2},
+				objects:  []*data.ObjectInfo{obj1, obj2},
 				addList:  []string{obj1.Version(), obj2.Version()},
 				isSorted: true,
 			},
 		},
 		{
-			versions:    &objectVersions{objects: []*api.ObjectInfo{obj1, obj2}},
+			versions:    &objectVersions{objects: []*data.ObjectInfo{obj1, obj2}},
 			objectToAdd: obj3,
 			expectedVersions: &objectVersions{
-				objects:  []*api.ObjectInfo{obj1, obj2, obj3},
+				objects:  []*data.ObjectInfo{obj1, obj2, obj3},
 				addList:  []string{obj1.Version(), obj2.Version(), obj3.Version()},
 				isSorted: true,
 			},
 		},
 		{
-			versions:    &objectVersions{objects: []*api.ObjectInfo{obj1, obj2}},
+			versions:    &objectVersions{objects: []*data.ObjectInfo{obj1, obj2}},
 			objectToAdd: obj4,
 			expectedVersions: &objectVersions{
-				objects:  []*api.ObjectInfo{obj1, obj2, obj4},
+				objects:  []*data.ObjectInfo{obj1, obj2, obj4},
 				addList:  []string{obj1.Version(), obj2.Version(), obj4.Version()},
 				delList:  []string{obj2.Version()},
 				isSorted: true,
 			},
 		},
 		{
-			versions:    &objectVersions{objects: []*api.ObjectInfo{obj5}},
+			versions:    &objectVersions{objects: []*data.ObjectInfo{obj5}},
 			objectToAdd: obj6,
 			expectedVersions: &objectVersions{
-				objects:  []*api.ObjectInfo{obj5, obj6},
+				objects:  []*data.ObjectInfo{obj5, obj6},
 				addList:  []string{obj1.Version(), obj2.Version(), obj3.Version(), obj5.Version(), obj6.Version()},
 				isSorted: true,
 			},
@@ -606,15 +601,15 @@ func TestSortAddHeaders(t *testing.T) {
 		expectedAddHeaders string
 	}{
 		{
-			versions:           &objectVersions{objects: []*api.ObjectInfo{obj6, obj7, obj8}},
+			versions:           &objectVersions{objects: []*data.ObjectInfo{obj6, obj7, obj8}},
 			expectedAddHeaders: joinVers(obj1, obj2, obj3, obj4, obj5, obj6, obj7, obj8),
 		},
 		{
-			versions:           &objectVersions{objects: []*api.ObjectInfo{obj7, obj9}},
+			versions:           &objectVersions{objects: []*data.ObjectInfo{obj7, obj9}},
 			expectedAddHeaders: joinVers(obj1, obj4, obj5, obj7, obj9),
 		},
 		{
-			versions:           &objectVersions{objects: []*api.ObjectInfo{obj11, obj10, obj12}},
+			versions:           &objectVersions{objects: []*data.ObjectInfo{obj11, obj10, obj12}},
 			expectedAddHeaders: joinVers(obj10, obj11, obj12),
 		},
 	} {
@@ -622,7 +617,7 @@ func TestSortAddHeaders(t *testing.T) {
 	}
 }
 
-func joinVers(objs ...*api.ObjectInfo) string {
+func joinVers(objs ...*data.ObjectInfo) string {
 	if len(objs) == 0 {
 		return ""
 	}
@@ -643,7 +638,7 @@ func getOID(id byte) *object.ID {
 	return oid
 }
 
-func getTestObjectInfo(id byte, addAttr, delAttr, delMarkAttr string) *api.ObjectInfo {
+func getTestObjectInfo(id byte, addAttr, delAttr, delMarkAttr string) *data.ObjectInfo {
 	headers := make(map[string]string)
 	if addAttr != "" {
 		headers[versionsAddAttr] = addAttr
@@ -655,14 +650,14 @@ func getTestObjectInfo(id byte, addAttr, delAttr, delMarkAttr string) *api.Objec
 		headers[versionsDeleteMarkAttr] = delMarkAttr
 	}
 
-	return &api.ObjectInfo{
+	return &data.ObjectInfo{
 		ID:      getOID(id),
 		Name:    strconv.Itoa(int(id)),
 		Headers: headers,
 	}
 }
 
-func getTestObjectInfoEpoch(epoch uint64, id byte, addAttr, delAttr, delMarkAttr string) *api.ObjectInfo {
+func getTestObjectInfoEpoch(epoch uint64, id byte, addAttr, delAttr, delMarkAttr string) *data.ObjectInfo {
 	obj := getTestObjectInfo(id, addAttr, delAttr, delMarkAttr)
 	obj.CreationEpoch = epoch
 	return obj

authmate/authmate.go

@@ -22,6 +22,7 @@ import (
 	"github.com/nspcc-dev/neofs-api-go/pkg/owner"
 	"github.com/nspcc-dev/neofs-api-go/pkg/session"
 	"github.com/nspcc-dev/neofs-api-go/pkg/token"
+	"github.com/nspcc-dev/neofs-s3-gw/api/cache"
 	"github.com/nspcc-dev/neofs-s3-gw/creds/accessbox"
 	"github.com/nspcc-dev/neofs-s3-gw/creds/tokens"
 	"github.com/nspcc-dev/neofs-sdk-go/policy"
@@ -226,7 +227,7 @@ func (a *Agent) IssueSecret(ctx context.Context, w io.Writer, options *IssueSecr
 	}
 
 	address, err := tokens.
-		New(a.pool, secrets.EphemeralKey, tokens.DefaultCacheConfig()).
+		New(a.pool, secrets.EphemeralKey, cache.DefaultAccessBoxConfig()).
 		Put(ctx, cid, oid, box, lifetime.Exp, options.GatesPublicKeys...)
 	if err != nil {
 		return fmt.Errorf("failed to put bearer token: %w", err)
@@ -268,7 +269,7 @@ func (a *Agent) IssueSecret(ctx context.Context, w io.Writer, options *IssueSecr
 // ObtainSecret receives an existing secret access key from NeoFS and
 // writes to io.Writer the secret access key.
 func (a *Agent) ObtainSecret(ctx context.Context, w io.Writer, options *ObtainSecretOptions) error {
-	bearerCreds := tokens.New(a.pool, options.GatePrivateKey, tokens.DefaultCacheConfig())
+	bearerCreds := tokens.New(a.pool, options.GatePrivateKey, cache.DefaultAccessBoxConfig())
 	address := object.NewAddress()
 	if err := address.Parse(options.SecretAddress); err != nil {
 		return fmt.Errorf("failed to parse secret address: %w", err)

cmd/s3-gw/app.go

@@ -14,7 +14,6 @@ import (
 	"github.com/nspcc-dev/neofs-s3-gw/api/cache"
 	"github.com/nspcc-dev/neofs-s3-gw/api/handler"
 	"github.com/nspcc-dev/neofs-s3-gw/api/layer"
-	"github.com/nspcc-dev/neofs-s3-gw/creds/tokens"
 	"github.com/nspcc-dev/neofs-s3-gw/internal/wallet"
 	"github.com/nspcc-dev/neofs-sdk-go/policy"
 	"github.com/nspcc-dev/neofs-sdk-go/pool"
@@ -216,21 +215,25 @@ func (a *App) Server(ctx context.Context) {
 	close(a.webDone)
 }
 
-func getCacheOptions(v *viper.Viper, l *zap.Logger) *layer.CacheConfig {
+func getCacheOptions(v *viper.Viper, l *zap.Logger) *layer.CachesConfig {
-	cacheCfg := layer.CacheConfig{
+	cacheCfg := layer.DefaultCachesConfigs()
-		ListObjectsLifetime: cache.DefaultObjectsListCacheLifetime,
-		ListObjectsSize:     cache.DefaultObjectsListCacheSize,
-		Size:                cache.DefaultObjectsCacheSize,
-		Lifetime:            cache.DefaultObjectsCacheLifetime,
-	}
 
-	cacheCfg.Lifetime = getLifetime(v, l, cfgObjectsCacheLifetime, cacheCfg.Lifetime)
+	cacheCfg.Objects.Lifetime = getLifetime(v, l, cfgObjectsCacheLifetime, cacheCfg.Objects.Lifetime)
-	cacheCfg.Size = getSize(v, l, cfgObjectsCacheSize, cacheCfg.Size)
+	cacheCfg.Objects.Size = getSize(v, l, cfgObjectsCacheSize, cacheCfg.Objects.Size)
 
-	cacheCfg.ListObjectsLifetime = getLifetime(v, l, cfgListObjectsCacheLifetime, cacheCfg.ListObjectsLifetime)
+	cacheCfg.ObjectsList.Lifetime = getLifetime(v, l, cfgListObjectsCacheLifetime, cacheCfg.ObjectsList.Lifetime)
-	cacheCfg.ListObjectsSize = getSize(v, l, cfgListObjectsCacheSize, cacheCfg.ListObjectsSize)
+	cacheCfg.ObjectsList.Size = getSize(v, l, cfgListObjectsCacheSize, cacheCfg.ObjectsList.Size)
 
-	return &cacheCfg
+	cacheCfg.Buckets.Lifetime = getLifetime(v, l, cfgBucketsCacheLifetime, cacheCfg.Buckets.Lifetime)
+	cacheCfg.Buckets.Size = getSize(v, l, cfgBucketsCacheSize, cacheCfg.Buckets.Size)
+
+	cacheCfg.Names.Lifetime = getLifetime(v, l, cfgNamesCacheLifetime, cacheCfg.Names.Lifetime)
+	cacheCfg.Names.Size = getSize(v, l, cfgNamesCacheSize, cacheCfg.Names.Size)
+
+	cacheCfg.System.Lifetime = getLifetime(v, l, cfgSystemLifetimeSize, cacheCfg.System.Lifetime)
+	cacheCfg.System.Size = getSize(v, l, cfgSystemCacheSize, cacheCfg.System.Size)
+
+	return cacheCfg
 }
 
 func getLifetime(v *viper.Viper, l *zap.Logger, cfgEntry string, defaultValue time.Duration) time.Duration {
@@ -263,8 +266,8 @@ func getSize(v *viper.Viper, l *zap.Logger, cfgEntry string, defaultValue int) i
 	return defaultValue
 }
 
-func getAccessBoxCacheConfig(v *viper.Viper, l *zap.Logger) *tokens.CacheConfig {
+func getAccessBoxCacheConfig(v *viper.Viper, l *zap.Logger) *cache.Config {
-	cacheCfg := tokens.DefaultCacheConfig()
+	cacheCfg := cache.DefaultAccessBoxConfig()
 
 	cacheCfg.Lifetime = getLifetime(v, l, cfgAccessBoxCacheLifetime, cacheCfg.Lifetime)
 	cacheCfg.Size = getSize(v, l, cfgAccessBoxCacheSize, cacheCfg.Size)

cmd/s3-gw/app_settings.go

@@ -59,6 +59,12 @@ const ( // Settings.
 	cfgObjectsCacheSize         = "cache.objects.size"
 	cfgListObjectsCacheLifetime = "cache.list.lifetime"
 	cfgListObjectsCacheSize     = "cache.list.size"
+	cfgBucketsCacheLifetime     = "cache.buckets.lifetime"
+	cfgBucketsCacheSize         = "cache.buckets.size"
+	cfgNamesCacheLifetime       = "cache.names.lifetime"
+	cfgNamesCacheSize           = "cache.names.size"
+	cfgSystemLifetimeSize       = "cache.system.lifetime"
+	cfgSystemCacheSize          = "cache.system.size"
 	cfgAccessBoxCacheLifetime   = "cache.accessbox.lifetime"
 	cfgAccessBoxCacheSize       = "cache.accessbox.size"
 

creds/tokens/credentials.go

@@ -13,6 +13,7 @@ import (
 	cid "github.com/nspcc-dev/neofs-api-go/pkg/container/id"
 	"github.com/nspcc-dev/neofs-api-go/pkg/object"
 	"github.com/nspcc-dev/neofs-api-go/pkg/owner"
+	"github.com/nspcc-dev/neofs-s3-gw/api/cache"
 	"github.com/nspcc-dev/neofs-s3-gw/creds/accessbox"
 	"github.com/nspcc-dev/neofs-sdk-go/pool"
 )
@@ -27,7 +28,7 @@ type (
 	cred struct {
 		key   *keys.PrivateKey
 		pool  pool.Pool
-		cache *AccessBoxCache
+		cache *cache.AccessBoxCache
 	}
 )
 
@@ -47,8 +48,8 @@ var bufferPool = sync.Pool{
 var _ = New
 
 // New creates new Credentials instance using given cli and key.
-func New(conns pool.Pool, key *keys.PrivateKey, config *CacheConfig) Credentials {
+func New(conns pool.Pool, key *keys.PrivateKey, config *cache.Config) Credentials {
-	return &cred{pool: conns, key: key, cache: NewAccessBoxCache(config)}
+	return &cred{pool: conns, key: key, cache: cache.NewAccessBoxCache(config)}
 }
 
 func (c *cred) acquireBuffer() *bytes.Buffer {

docs/configuration.md

@@ -114,6 +114,15 @@ cache:
   list:
     lifetime: 1m
     size: 100
+  names:
+    lifetime: 1m
+    size: 1000
+  buckets:
+    lifetime: 1m
+    size: 500
+  system:
+    lifetime: 2m
+    size: 1000
   accessbox:
     lifetime: 5m
     size: 10