[#111] Use request scope logger

Store child zap logger with request scope fields into context.
Request scoped fields: request_id, api/method, bucket, object

Signed-off-by: Denis Kirillov <d.kirillov@yadro.com>

CHANGELOG.md

@@ -45,6 +45,7 @@ This document outlines major changes between releases.
 - Support multiple tree service endpoints (#74)
 - Timeout errors has code 504 now (#103)
 - Support multiple version credentials using GSet (#135)
+- Use request scope logger (#111)
 
 ### Removed
 - Drop `tree.service` param (now endpoints from `peers` section are used) (#133)

api/handler/acl.go

@@ -243,7 +243,8 @@ func (s *statement) UnmarshalJSON(data []byte) error {
 }
 
 func (h *handler) GetBucketACLHandler(w http.ResponseWriter, r *http.Request) {
-	reqInfo := api.GetReqInfo(r.Context())
+	ctx := r.Context()
+	reqInfo := api.GetReqInfo(ctx)
 
 	bktInfo, err := h.getBucketAndCheckOwner(r, reqInfo.BucketName)
 	if err != nil {
@@ -251,13 +252,13 @@ func (h *handler) GetBucketACLHandler(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	bucketACL, err := h.obj.GetBucketACL(r.Context(), bktInfo)
+	bucketACL, err := h.obj.GetBucketACL(ctx, bktInfo)
 	if err != nil {
 		h.logAndSendError(w, "could not fetch bucket acl", reqInfo, err)
 		return
 	}
 
-	if err = api.EncodeToResponse(w, h.encodeBucketACL(bktInfo.Name, bucketACL)); err != nil {
+	if err = api.EncodeToResponse(w, h.encodeBucketACL(ctx, bktInfo.Name, bucketACL)); err != nil {
 		h.logAndSendError(w, "something went wrong", reqInfo, err)
 		return
 	}
@@ -365,7 +366,8 @@ func (h *handler) updateBucketACL(r *http.Request, astChild *ast, bktInfo *data.
 }
 
 func (h *handler) GetObjectACLHandler(w http.ResponseWriter, r *http.Request) {
-	reqInfo := api.GetReqInfo(r.Context())
+	ctx := r.Context()
+	reqInfo := api.GetReqInfo(ctx)
 
 	bktInfo, err := h.getBucketAndCheckOwner(r, reqInfo.BucketName)
 	if err != nil {
@@ -373,7 +375,7 @@ func (h *handler) GetObjectACLHandler(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	bucketACL, err := h.obj.GetBucketACL(r.Context(), bktInfo)
+	bucketACL, err := h.obj.GetBucketACL(ctx, bktInfo)
 	if err != nil {
 		h.logAndSendError(w, "could not fetch bucket acl", reqInfo, err)
 		return
@@ -385,27 +387,28 @@ func (h *handler) GetObjectACLHandler(w http.ResponseWriter, r *http.Request) {
 		VersionID: reqInfo.URL.Query().Get(api.QueryVersionID),
 	}
 
-	objInfo, err := h.obj.GetObjectInfo(r.Context(), prm)
+	objInfo, err := h.obj.GetObjectInfo(ctx, prm)
 	if err != nil {
 		h.logAndSendError(w, "could not object info", reqInfo, err)
 		return
 	}
 
-	if err = api.EncodeToResponse(w, h.encodeObjectACL(bucketACL, reqInfo.BucketName, objInfo.VersionID())); err != nil {
+	if err = api.EncodeToResponse(w, h.encodeObjectACL(ctx, bucketACL, reqInfo.BucketName, objInfo.VersionID())); err != nil {
 		h.logAndSendError(w, "failed to encode response", reqInfo, err)
 	}
 }
 
 func (h *handler) PutObjectACLHandler(w http.ResponseWriter, r *http.Request) {
-	reqInfo := api.GetReqInfo(r.Context())
+	ctx := r.Context()
+	reqInfo := api.GetReqInfo(ctx)
 	versionID := reqInfo.URL.Query().Get(api.QueryVersionID)
-	key, err := h.bearerTokenIssuerKey(r.Context())
+	key, err := h.bearerTokenIssuerKey(ctx)
 	if err != nil {
 		h.logAndSendError(w, "couldn't get gate key", reqInfo, err)
 		return
 	}
 
-	token, err := getSessionTokenSetEACL(r.Context())
+	token, err := getSessionTokenSetEACL(ctx)
 	if err != nil {
 		h.logAndSendError(w, "couldn't get eacl token", reqInfo, err)
 		return
@@ -423,7 +426,7 @@ func (h *handler) PutObjectACLHandler(w http.ResponseWriter, r *http.Request) {
 		VersionID: versionID,
 	}
 
-	objInfo, err := h.obj.GetObjectInfo(r.Context(), p)
+	objInfo, err := h.obj.GetObjectInfo(ctx, p)
 	if err != nil {
 		h.logAndSendError(w, "could not get object info", reqInfo, err)
 		return
@@ -465,8 +468,8 @@ func (h *handler) PutObjectACLHandler(w http.ResponseWriter, r *http.Request) {
 			BktInfo:          bktInfo,
 			ReqInfo:          reqInfo,
 		}
-		if err = h.sendNotifications(r.Context(), s); err != nil {
+		if err = h.sendNotifications(ctx, s); err != nil {
-			h.log.Error("couldn't send notification: %w", zap.Error(err))
+			h.reqLogger(ctx).Error("couldn't send notification: %w", zap.Error(err))
 		}
 	}
 	w.WriteHeader(http.StatusOK)
@@ -1410,7 +1413,7 @@ func isWriteOperation(op eacl.Operation) bool {
 	return op == eacl.OperationDelete || op == eacl.OperationPut
 }
 
-func (h *handler) encodeObjectACL(bucketACL *layer.BucketACL, bucketName, objectVersion string) *AccessControlPolicy {
+func (h *handler) encodeObjectACL(ctx context.Context, bucketACL *layer.BucketACL, bucketName, objectVersion string) *AccessControlPolicy {
 	res := &AccessControlPolicy{
 		Owner: Owner{
 			ID:          bucketACL.Info.Owner.String(),
@@ -1456,7 +1459,7 @@ func (h *handler) encodeObjectACL(bucketACL *layer.BucketACL, bucketName, object
 		if read {
 			permission = aclFullControl
 		} else {
-			h.log.Warn("some acl not fully mapped")
+			h.reqLogger(ctx).Warn("some acl not fully mapped")
 		}
 
 		var grantee *Grantee
@@ -1478,8 +1481,8 @@ func (h *handler) encodeObjectACL(bucketACL *layer.BucketACL, bucketName, object
 	return res
 }
 
-func (h *handler) encodeBucketACL(bucketName string, bucketACL *layer.BucketACL) *AccessControlPolicy {
+func (h *handler) encodeBucketACL(ctx context.Context, bucketName string, bucketACL *layer.BucketACL) *AccessControlPolicy {
-	return h.encodeObjectACL(bucketACL, bucketName, "")
+	return h.encodeObjectACL(ctx, bucketACL, bucketName, "")
 }
 
 func contains(list []eacl.Operation, op eacl.Operation) bool {

api/handler/copy.go

@@ -46,7 +46,8 @@ func (h *handler) CopyObjectHandler(w http.ResponseWriter, r *http.Request) {
 		tagSet           map[string]string
 		sessionTokenEACL *session.Container
 
-		reqInfo = api.GetReqInfo(r.Context())
+		ctx     = r.Context()
+		reqInfo = api.GetReqInfo(ctx)
 
 		containsACL = containsACLHeaders(r)
 	)
@@ -84,20 +85,20 @@ func (h *handler) CopyObjectHandler(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	settings, err := h.obj.GetBucketSettings(r.Context(), dstBktInfo)
+	settings, err := h.obj.GetBucketSettings(ctx, dstBktInfo)
 	if err != nil {
 		h.logAndSendError(w, "could not get bucket settings", reqInfo, err)
 		return
 	}
 
 	if containsACL {
-		if sessionTokenEACL, err = getSessionTokenSetEACL(r.Context()); err != nil {
+		if sessionTokenEACL, err = getSessionTokenSetEACL(ctx); err != nil {
 			h.logAndSendError(w, "could not get eacl session token from a box", reqInfo, err)
 			return
 		}
 	}
 
-	extendedSrcObjInfo, err := h.obj.GetExtendedObjectInfo(r.Context(), srcObjPrm)
+	extendedSrcObjInfo, err := h.obj.GetExtendedObjectInfo(ctx, srcObjPrm)
 	if err != nil {
 		h.logAndSendError(w, "could not find object", reqInfo, err)
 		return
@@ -135,7 +136,7 @@ func (h *handler) CopyObjectHandler(w http.ResponseWriter, r *http.Request) {
 			NodeVersion: extendedSrcObjInfo.NodeVersion,
 		}
 
-		_, tagSet, err = h.obj.GetObjectTagging(r.Context(), tagPrm)
+		_, tagSet, err = h.obj.GetObjectTagging(ctx, tagPrm)
 		if err != nil {
 			h.logAndSendError(w, "could not get object tagging", reqInfo, err)
 			return
@@ -183,14 +184,14 @@ func (h *handler) CopyObjectHandler(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	params.Lock, err = formObjectLock(r.Context(), dstBktInfo, settings.LockConfiguration, r.Header)
+	params.Lock, err = formObjectLock(ctx, dstBktInfo, settings.LockConfiguration, r.Header)
 	if err != nil {
 		h.logAndSendError(w, "could not form object lock", reqInfo, err)
 		return
 	}
 
 	additional := []zap.Field{zap.String("src_bucket_name", srcBucket), zap.String("src_object_name", srcObject)}
-	extendedDstObjInfo, err := h.obj.CopyObject(r.Context(), params)
+	extendedDstObjInfo, err := h.obj.CopyObject(ctx, params)
 	if err != nil {
 		h.logAndSendError(w, "couldn't copy object", reqInfo, err, additional...)
 		return
@@ -215,7 +216,7 @@ func (h *handler) CopyObjectHandler(w http.ResponseWriter, r *http.Request) {
 			SessionToken: sessionTokenEACL,
 		}
 
-		if err = h.obj.PutBucketACL(r.Context(), p); err != nil {
+		if err = h.obj.PutBucketACL(ctx, p); err != nil {
 			h.logAndSendError(w, "could not put bucket acl", reqInfo, err)
 			return
 		}
@@ -231,16 +232,13 @@ func (h *handler) CopyObjectHandler(w http.ResponseWriter, r *http.Request) {
 			TagSet:      tagSet,
 			NodeVersion: extendedDstObjInfo.NodeVersion,
 		}
-		if _, err = h.obj.PutObjectTagging(r.Context(), tagPrm); err != nil {
+		if _, err = h.obj.PutObjectTagging(ctx, tagPrm); err != nil {
 			h.logAndSendError(w, "could not upload object tagging", reqInfo, err)
 			return
 		}
 	}
 
-	h.log.Info("object is copied",
+	h.reqLogger(ctx).Info("object is copied", zap.Stringer("object_id", dstObjInfo.ID))
-		zap.String("bucket", dstObjInfo.Bucket),
-		zap.String("object", dstObjInfo.Name),
-		zap.Stringer("object_id", dstObjInfo.ID))
 
 	s := &SendNotificationParams{
 		Event:            EventObjectCreatedCopy,
@@ -248,8 +246,8 @@ func (h *handler) CopyObjectHandler(w http.ResponseWriter, r *http.Request) {
 		BktInfo:          dstBktInfo,
 		ReqInfo:          reqInfo,
 	}
-	if err = h.sendNotifications(r.Context(), s); err != nil {
+	if err = h.sendNotifications(ctx, s); err != nil {
-		h.log.Error("couldn't send notification: %w", zap.Error(err))
+		h.reqLogger(ctx).Error("couldn't send notification: %w", zap.Error(err))
 	}
 
 	if encryptionParams.Enabled() {

api/handler/cors.go

@@ -90,19 +90,21 @@ func (h *handler) AppendCORSHeaders(w http.ResponseWriter, r *http.Request) {
 	if origin == "" {
 		return
 	}
-	reqInfo := api.GetReqInfo(r.Context())
+
+	ctx := r.Context()
+	reqInfo := api.GetReqInfo(ctx)
 	if reqInfo.BucketName == "" {
 		return
 	}
-	bktInfo, err := h.obj.GetBucketInfo(r.Context(), reqInfo.BucketName)
+	bktInfo, err := h.obj.GetBucketInfo(ctx, reqInfo.BucketName)
 	if err != nil {
-		h.log.Warn("get bucket info", zap.Error(err))
+		h.reqLogger(ctx).Warn("get bucket info", zap.Error(err))
 		return
 	}
 
-	cors, err := h.obj.GetBucketCORS(r.Context(), bktInfo)
+	cors, err := h.obj.GetBucketCORS(ctx, bktInfo)
 	if err != nil {
-		h.log.Warn("get bucket cors", zap.Error(err))
+		h.reqLogger(ctx).Warn("get bucket cors", zap.Error(err))
 		return
 	}
 

api/handler/delete.go

@@ -61,7 +61,8 @@ type DeleteObjectsResponse struct {
 }
 
 func (h *handler) DeleteObjectHandler(w http.ResponseWriter, r *http.Request) {
-	reqInfo := api.GetReqInfo(r.Context())
+	ctx := r.Context()
+	reqInfo := api.GetReqInfo(ctx)
 	versionID := reqInfo.URL.Query().Get(api.QueryVersionID)
 	versionedObject := []*layer.VersionedObject{{
 		Name:      reqInfo.ObjectName,
@@ -74,7 +75,7 @@ func (h *handler) DeleteObjectHandler(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	bktSettings, err := h.obj.GetBucketSettings(r.Context(), bktInfo)
+	bktSettings, err := h.obj.GetBucketSettings(ctx, bktInfo)
 	if err != nil {
 		h.logAndSendError(w, "could not get bucket settings", reqInfo, err)
 		return
@@ -85,7 +86,7 @@ func (h *handler) DeleteObjectHandler(w http.ResponseWriter, r *http.Request) {
 		Objects:  versionedObject,
 		Settings: bktSettings,
 	}
-	deletedObjects := h.obj.DeleteObjects(r.Context(), p)
+	deletedObjects := h.obj.DeleteObjects(ctx, p)
 	deletedObject := deletedObjects[0]
 	if deletedObject.Error != nil {
 		if isErrObjectLocked(deletedObject.Error) {
@@ -112,7 +113,7 @@ func (h *handler) DeleteObjectHandler(w http.ResponseWriter, r *http.Request) {
 		var objID oid.ID
 		if len(versionID) != 0 {
 			if err = objID.DecodeString(versionID); err != nil {
-				h.log.Error("couldn't send notification: %w", zap.Error(err))
+				h.reqLogger(ctx).Error("couldn't send notification: %w", zap.Error(err))
 			}
 		}
 
@@ -127,8 +128,8 @@ func (h *handler) DeleteObjectHandler(w http.ResponseWriter, r *http.Request) {
 		}
 	}
 
-	if err = h.sendNotifications(r.Context(), m); err != nil {
+	if err = h.sendNotifications(ctx, m); err != nil {
-		h.log.Error("couldn't send notification: %w", zap.Error(err))
+		h.reqLogger(ctx).Error("couldn't send notification: %w", zap.Error(err))
 	}
 
 	if deletedObject.VersionID != "" {
@@ -156,7 +157,8 @@ func isErrObjectLocked(err error) bool {
 
 // DeleteMultipleObjectsHandler handles multiple delete requests.
 func (h *handler) DeleteMultipleObjectsHandler(w http.ResponseWriter, r *http.Request) {
-	reqInfo := api.GetReqInfo(r.Context())
+	ctx := r.Context()
+	reqInfo := api.GetReqInfo(ctx)
 
 	// Content-Md5 is required and should be set
 	// http://docs.aws.amazon.com/AmazonS3/latest/API/multiobjectdeleteapi.html
@@ -206,7 +208,7 @@ func (h *handler) DeleteMultipleObjectsHandler(w http.ResponseWriter, r *http.Re
 		return
 	}
 
-	bktSettings, err := h.obj.GetBucketSettings(r.Context(), bktInfo)
+	bktSettings, err := h.obj.GetBucketSettings(ctx, bktInfo)
 	if err != nil {
 		h.logAndSendError(w, "could not get bucket settings", reqInfo, err)
 		return
@@ -224,7 +226,7 @@ func (h *handler) DeleteMultipleObjectsHandler(w http.ResponseWriter, r *http.Re
 		Objects:  toRemove,
 		Settings: bktSettings,
 	}
-	deletedObjects := h.obj.DeleteObjects(r.Context(), p)
+	deletedObjects := h.obj.DeleteObjects(ctx, p)
 
 	var errs []error
 	for _, obj := range deletedObjects {
@@ -259,7 +261,7 @@ func (h *handler) DeleteMultipleObjectsHandler(w http.ResponseWriter, r *http.Re
 			zap.Array("objects", marshaler),
 			zap.Errors("errors", errs),
 		}
-		h.log.Error("couldn't delete objects", fields...)
+		h.reqLogger(ctx).Error("couldn't delete objects", fields...)
 	}
 
 	if err = api.EncodeToResponse(w, response); err != nil {

api/handler/multipart_upload.go

@@ -255,7 +255,8 @@ func (h *handler) UploadPartHandler(w http.ResponseWriter, r *http.Request) {
 func (h *handler) UploadPartCopy(w http.ResponseWriter, r *http.Request) {
 	var (
 		versionID   string
-		reqInfo     = api.GetReqInfo(r.Context())
+		ctx         = r.Context()
+		reqInfo     = api.GetReqInfo(ctx)
 		queryValues = reqInfo.URL.Query()
 		uploadID    = queryValues.Get(uploadIDHeaderName)
 		additional  = []zap.Field{zap.String("uploadID", uploadID), zap.String("Key", reqInfo.ObjectName)}
@@ -297,7 +298,7 @@ func (h *handler) UploadPartCopy(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	srcInfo, err := h.obj.GetObjectInfo(r.Context(), &layer.HeadObjectParams{
+	srcInfo, err := h.obj.GetObjectInfo(ctx, &layer.HeadObjectParams{
 		BktInfo:   srcBktInfo,
 		Object:    srcObject,
 		VersionID: versionID,
@@ -348,7 +349,7 @@ func (h *handler) UploadPartCopy(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	info, err := h.obj.UploadPartCopy(r.Context(), p)
+	info, err := h.obj.UploadPartCopy(ctx, p)
 	if err != nil {
 		h.logAndSendError(w, "could not upload part copy", reqInfo, err, additional...)
 		return
@@ -445,7 +446,8 @@ func (h *handler) CompleteMultipartUploadHandler(w http.ResponseWriter, r *http.
 }
 
 func (h *handler) completeMultipartUpload(r *http.Request, c *layer.CompleteMultipartParams, bktInfo *data.BucketInfo, reqInfo *api.ReqInfo) (*data.ObjectInfo, error) {
-	uploadData, extendedObjInfo, err := h.obj.CompleteMultipartUpload(r.Context(), c)
+	ctx := r.Context()
+	uploadData, extendedObjInfo, err := h.obj.CompleteMultipartUpload(ctx, c)
 	if err != nil {
 		return nil, fmt.Errorf("could not complete multipart upload: %w", err)
 	}
@@ -461,17 +463,17 @@ func (h *handler) completeMultipartUpload(r *http.Request, c *layer.CompleteMult
 			TagSet:      uploadData.TagSet,
 			NodeVersion: extendedObjInfo.NodeVersion,
 		}
-		if _, err = h.obj.PutObjectTagging(r.Context(), tagPrm); err != nil {
+		if _, err = h.obj.PutObjectTagging(ctx, tagPrm); err != nil {
 			return nil, fmt.Errorf("could not put tagging file of completed multipart upload: %w", err)
 		}
 	}
 
 	if len(uploadData.ACLHeaders) != 0 {
-		sessionTokenSetEACL, err := getSessionTokenSetEACL(r.Context())
+		sessionTokenSetEACL, err := getSessionTokenSetEACL(ctx)
 		if err != nil {
 			return nil, fmt.Errorf("couldn't get eacl token: %w", err)
 		}
-		key, err := h.bearerTokenIssuerKey(r.Context())
+		key, err := h.bearerTokenIssuerKey(ctx)
 		if err != nil {
 			return nil, fmt.Errorf("couldn't get gate key: %w", err)
 		}
@@ -499,8 +501,8 @@ func (h *handler) completeMultipartUpload(r *http.Request, c *layer.CompleteMult
 		BktInfo:          bktInfo,
 		ReqInfo:          reqInfo,
 	}
-	if err = h.sendNotifications(r.Context(), s); err != nil {
+	if err = h.sendNotifications(ctx, s); err != nil {
-		h.log.Error("couldn't send notification: %w", zap.Error(err))
+		h.reqLogger(ctx).Error("couldn't send notification: %w", zap.Error(err))
 	}
 
 	return objInfo, nil

api/handler/notifications.go

@@ -202,7 +202,7 @@ func (h *handler) checkBucketConfiguration(ctx context.Context, conf *data.Notif
 				return
 			}
 		} else {
-			h.log.Warn("failed to send test event because notifications is disabled")
+			h.reqLogger(ctx).Warn("failed to send test event because notifications is disabled")
 		}
 
 		if q.ID == "" {

api/handler/put.go

@@ -179,7 +179,8 @@ func (h *handler) PutObjectHandler(w http.ResponseWriter, r *http.Request) {
 		newEaclTable     *eacl.Table
 		sessionTokenEACL *session.Container
 		containsACL      = containsACLHeaders(r)
-		reqInfo          = api.GetReqInfo(r.Context())
+		ctx              = r.Context()
+		reqInfo          = api.GetReqInfo(ctx)
 	)
 
 	if containsACL {
@@ -238,19 +239,19 @@ func (h *handler) PutObjectHandler(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	settings, err := h.obj.GetBucketSettings(r.Context(), bktInfo)
+	settings, err := h.obj.GetBucketSettings(ctx, bktInfo)
 	if err != nil {
 		h.logAndSendError(w, "could not get bucket settings", reqInfo, err)
 		return
 	}
 
-	params.Lock, err = formObjectLock(r.Context(), bktInfo, settings.LockConfiguration, r.Header)
+	params.Lock, err = formObjectLock(ctx, bktInfo, settings.LockConfiguration, r.Header)
 	if err != nil {
 		h.logAndSendError(w, "could not form object lock", reqInfo, err)
 		return
 	}
 
-	extendedObjInfo, err := h.obj.PutObject(r.Context(), params)
+	extendedObjInfo, err := h.obj.PutObject(ctx, params)
 	if err != nil {
 		_, err2 := io.Copy(io.Discard, r.Body)
 		err3 := r.Body.Close()
@@ -265,8 +266,8 @@ func (h *handler) PutObjectHandler(w http.ResponseWriter, r *http.Request) {
 		BktInfo:          bktInfo,
 		ReqInfo:          reqInfo,
 	}
-	if err = h.sendNotifications(r.Context(), s); err != nil {
+	if err = h.sendNotifications(ctx, s); err != nil {
-		h.log.Error("couldn't send notification: %w", zap.Error(err))
+		h.reqLogger(ctx).Error("couldn't send notification: %w", zap.Error(err))
 	}
 
 	if containsACL {
@@ -365,7 +366,8 @@ func (h *handler) PostObject(w http.ResponseWriter, r *http.Request) {
 		newEaclTable     *eacl.Table
 		tagSet           map[string]string
 		sessionTokenEACL *session.Container
-		reqInfo          = api.GetReqInfo(r.Context())
+		ctx              = r.Context()
+		reqInfo          = api.GetReqInfo(ctx)
 		metadata         = make(map[string]string)
 		containsACL      = containsACLHeaders(r)
 	)
@@ -386,7 +388,7 @@ func (h *handler) PostObject(w http.ResponseWriter, r *http.Request) {
 	}
 
 	if containsACL {
-		if sessionTokenEACL, err = getSessionTokenSetEACL(r.Context()); err != nil {
+		if sessionTokenEACL, err = getSessionTokenSetEACL(ctx); err != nil {
 			h.logAndSendError(w, "could not get eacl session token from a box", reqInfo, err)
 			return
 		}
@@ -412,7 +414,7 @@ func (h *handler) PostObject(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	bktInfo, err := h.obj.GetBucketInfo(r.Context(), reqInfo.BucketName)
+	bktInfo, err := h.obj.GetBucketInfo(ctx, reqInfo.BucketName)
 	if err != nil {
 		h.logAndSendError(w, "could not get bucket info", reqInfo, err)
 		return
@@ -426,7 +428,7 @@ func (h *handler) PostObject(w http.ResponseWriter, r *http.Request) {
 		Header:  metadata,
 	}
 
-	extendedObjInfo, err := h.obj.PutObject(r.Context(), params)
+	extendedObjInfo, err := h.obj.PutObject(ctx, params)
 	if err != nil {
 		h.logAndSendError(w, "could not upload object", reqInfo, err)
 		return
@@ -439,8 +441,8 @@ func (h *handler) PostObject(w http.ResponseWriter, r *http.Request) {
 		BktInfo:          bktInfo,
 		ReqInfo:          reqInfo,
 	}
-	if err = h.sendNotifications(r.Context(), s); err != nil {
+	if err = h.sendNotifications(ctx, s); err != nil {
-		h.log.Error("couldn't send notification: %w", zap.Error(err))
+		h.reqLogger(ctx).Error("couldn't send notification: %w", zap.Error(err))
 	}
 
 	if acl := auth.MultipartFormValue(r, "acl"); acl != "" {
@@ -465,7 +467,7 @@ func (h *handler) PostObject(w http.ResponseWriter, r *http.Request) {
 			NodeVersion: extendedObjInfo.NodeVersion,
 		}
 
-		if _, err = h.obj.PutObjectTagging(r.Context(), tagPrm); err != nil {
+		if _, err = h.obj.PutObjectTagging(ctx, tagPrm); err != nil {
 			h.logAndSendError(w, "could not upload object tagging", reqInfo, err)
 			return
 		}
@@ -478,14 +480,14 @@ func (h *handler) PostObject(w http.ResponseWriter, r *http.Request) {
 			SessionToken: sessionTokenEACL,
 		}
 
-		if err = h.obj.PutBucketACL(r.Context(), p); err != nil {
+		if err = h.obj.PutBucketACL(ctx, p); err != nil {
 			h.logAndSendError(w, "could not put bucket acl", reqInfo, err)
 			return
 		}
 	}
 
-	if settings, err := h.obj.GetBucketSettings(r.Context(), bktInfo); err != nil {
+	if settings, err := h.obj.GetBucketSettings(ctx, bktInfo); err != nil {
-		h.log.Warn("couldn't get bucket versioning", zap.String("bucket name", reqInfo.BucketName), zap.Error(err))
+		h.reqLogger(ctx).Warn("couldn't get bucket versioning", zap.String("bucket name", reqInfo.BucketName), zap.Error(err))
 	} else if settings.VersioningEnabled() {
 		w.Header().Set(api.AmzVersionID, objInfo.VersionID())
 	}
@@ -657,7 +659,8 @@ func parseMetadata(r *http.Request) map[string]string {
 }
 
 func (h *handler) CreateBucketHandler(w http.ResponseWriter, r *http.Request) {
-	reqInfo := api.GetReqInfo(r.Context())
+	ctx := r.Context()
+	reqInfo := api.GetReqInfo(ctx)
 	p := &layer.CreateBucketParams{
 		Name: reqInfo.BucketName,
 	}
@@ -667,7 +670,7 @@ func (h *handler) CreateBucketHandler(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	key, err := h.bearerTokenIssuerKey(r.Context())
+	key, err := h.bearerTokenIssuerKey(ctx)
 	if err != nil {
 		h.logAndSendError(w, "couldn't get bearer token signature key", reqInfo, err)
 		return
@@ -693,7 +696,7 @@ func (h *handler) CreateBucketHandler(w http.ResponseWriter, r *http.Request) {
 	}
 
 	var policies []*accessbox.ContainerPolicy
-	boxData, err := layer.GetBoxData(r.Context())
+	boxData, err := layer.GetBoxData(ctx)
 	if err == nil {
 		policies = boxData.Policies
 		p.SessionContainerCreation = boxData.Gate.SessionTokenForPut()
@@ -717,21 +720,20 @@ func (h *handler) CreateBucketHandler(w http.ResponseWriter, r *http.Request) {
 
 	p.ObjectLockEnabled = isLockEnabled(r.Header)
 
-	bktInfo, err := h.obj.CreateBucket(r.Context(), p)
+	bktInfo, err := h.obj.CreateBucket(ctx, p)
 	if err != nil {
 		h.logAndSendError(w, "could not create bucket", reqInfo, err)
 		return
 	}
 
-	h.log.Info("bucket is created", zap.String("reqId", reqInfo.RequestID),
+	h.reqLogger(ctx).Info("bucket is created", zap.Stringer("container_id", bktInfo.CID))
-		zap.String("bucket", reqInfo.BucketName), zap.Stringer("container_id", bktInfo.CID))
 
 	if p.ObjectLockEnabled {
 		sp := &layer.PutSettingsParams{
 			BktInfo:  bktInfo,
 			Settings: &data.BucketSettings{Versioning: data.VersioningEnabled},
 		}
-		if err = h.obj.PutBucketSettings(r.Context(), sp); err != nil {
+		if err = h.obj.PutBucketSettings(ctx, sp); err != nil {
 			h.logAndSendError(w, "couldn't enable bucket versioning", reqInfo, err,
 				zap.String("container_id", bktInfo.CID.EncodeToString()))
 			return

api/handler/tagging.go

@@ -24,7 +24,8 @@ const (
 )
 
 func (h *handler) PutObjectTaggingHandler(w http.ResponseWriter, r *http.Request) {
-	reqInfo := api.GetReqInfo(r.Context())
+	ctx := r.Context()
+	reqInfo := api.GetReqInfo(ctx)
 
 	tagSet, err := readTagSet(r.Body)
 	if err != nil {
@@ -46,7 +47,7 @@ func (h *handler) PutObjectTaggingHandler(w http.ResponseWriter, r *http.Request
 		},
 		TagSet: tagSet,
 	}
-	nodeVersion, err := h.obj.PutObjectTagging(r.Context(), tagPrm)
+	nodeVersion, err := h.obj.PutObjectTagging(ctx, tagPrm)
 	if err != nil {
 		h.logAndSendError(w, "could not put object tagging", reqInfo, err)
 		return
@@ -63,8 +64,8 @@ func (h *handler) PutObjectTaggingHandler(w http.ResponseWriter, r *http.Request
 		BktInfo: bktInfo,
 		ReqInfo: reqInfo,
 	}
-	if err = h.sendNotifications(r.Context(), s); err != nil {
+	if err = h.sendNotifications(ctx, s); err != nil {
-		h.log.Error("couldn't send notification: %w", zap.Error(err))
+		h.reqLogger(ctx).Error("couldn't send notification: %w", zap.Error(err))
 	}
 
 	w.WriteHeader(http.StatusOK)
@@ -108,7 +109,8 @@ func (h *handler) GetObjectTaggingHandler(w http.ResponseWriter, r *http.Request
 }
 
 func (h *handler) DeleteObjectTaggingHandler(w http.ResponseWriter, r *http.Request) {
-	reqInfo := api.GetReqInfo(r.Context())
+	ctx := r.Context()
+	reqInfo := api.GetReqInfo(ctx)
 
 	bktInfo, err := h.getBucketAndCheckOwner(r, reqInfo.BucketName)
 	if err != nil {
@@ -122,7 +124,7 @@ func (h *handler) DeleteObjectTaggingHandler(w http.ResponseWriter, r *http.Requ
 		VersionID:  reqInfo.URL.Query().Get(api.QueryVersionID),
 	}
 
-	nodeVersion, err := h.obj.DeleteObjectTagging(r.Context(), p)
+	nodeVersion, err := h.obj.DeleteObjectTagging(ctx, p)
 	if err != nil {
 		h.logAndSendError(w, "could not delete object tagging", reqInfo, err)
 		return
@@ -139,8 +141,8 @@ func (h *handler) DeleteObjectTaggingHandler(w http.ResponseWriter, r *http.Requ
 		BktInfo: bktInfo,
 		ReqInfo: reqInfo,
 	}
-	if err = h.sendNotifications(r.Context(), s); err != nil {
+	if err = h.sendNotifications(ctx, s); err != nil {
-		h.log.Error("couldn't send notification: %w", zap.Error(err))
+		h.reqLogger(ctx).Error("couldn't send notification: %w", zap.Error(err))
 	}
 
 	w.WriteHeader(http.StatusNoContent)

api/handler/util.go

@@ -15,6 +15,14 @@ import (
 	"go.uber.org/zap"
 )
 
+func (h *handler) reqLogger(ctx context.Context) *zap.Logger {
+	reqLogger := api.GetReqLog(ctx)
+	if reqLogger != nil {
+		return reqLogger
+	}
+	return h.log
+}
+
 func (h *handler) logAndSendError(w http.ResponseWriter, logText string, reqInfo *api.ReqInfo, err error, additional ...zap.Field) {
 	code := api.WriteErrorResponse(w, reqInfo, transformToS3Error(err))
 	fields := []zap.Field{
@@ -26,7 +34,7 @@ func (h *handler) logAndSendError(w http.ResponseWriter, logText string, reqInfo
 		zap.String("description", logText),
 		zap.Error(err)}
 	fields = append(fields, additional...)
-	h.log.Error("call method", fields...)
+	h.log.Error("reqeust failed", fields...) // consider using h.reqLogger (it requires accept context.Context or http.Request)
 }
 
 func (h *handler) logAndSendErrorNoHeader(w http.ResponseWriter, logText string, reqInfo *api.ReqInfo, err error, additional ...zap.Field) {
@@ -39,7 +47,7 @@ func (h *handler) logAndSendErrorNoHeader(w http.ResponseWriter, logText string,
 		zap.String("description", logText),
 		zap.Error(err)}
 	fields = append(fields, additional...)
-	h.log.Error("call method", fields...)
+	h.log.Error("reqeust failed", fields...) // consider using h.reqLogger (it requires accept context.Context or http.Request)
 }
 
 func transformToS3Error(err error) error {

api/layer/container.go

@@ -34,8 +34,7 @@ func (n *layer) containerInfo(ctx context.Context, idCnr cid.ID) (*data.BucketIn
 	var (
 		err error
 		res *container.Container
-		rid = api.GetRequestID(ctx)
+		log = n.reqLogger(ctx).With(zap.Stringer("cid", idCnr))
-		log = n.log.With(zap.Stringer("cid", idCnr), zap.String("request_id", rid))
 
 		info = &data.BucketInfo{
 			CID:  idCnr,
@@ -83,13 +82,10 @@ func (n *layer) containerList(ctx context.Context) ([]*data.BucketInfo, error) {
 		err error
 		own = n.Owner(ctx)
 		res []cid.ID
-		rid = api.GetRequestID(ctx)
 	)
 	res, err = n.frostFS.UserContainers(ctx, own)
 	if err != nil {
-		n.log.Error("could not list user containers",
+		n.reqLogger(ctx).Error("could not list user containers", zap.Error(err))
-			zap.String("request_id", rid),
-			zap.Error(err))
 		return nil, err
 	}
 
@@ -97,9 +93,7 @@ func (n *layer) containerList(ctx context.Context) ([]*data.BucketInfo, error) {
 	for i := range res {
 		info, err := n.containerInfo(ctx, res[i])
 		if err != nil {
-			n.log.Error("could not fetch container info",
+			n.reqLogger(ctx).Error("could not fetch container info", zap.Error(err))
-				zap.String("request_id", rid),
-				zap.Error(err))
 			continue
 		}
 

api/layer/cors.go

@@ -58,9 +58,8 @@ func (n *layer) PutBucketCORS(ctx context.Context, p *PutCORSParams) error {
 
 	if !objIDToDeleteNotFound {
 		if err = n.objectDelete(ctx, p.BktInfo, objIDToDelete); err != nil {
-			n.log.Error("couldn't delete cors object", zap.Error(err),
+			n.reqLogger(ctx).Error("couldn't delete cors object", zap.Error(err),
 				zap.String("cnrID", p.BktInfo.CID.EncodeToString()),
-				zap.String("bucket name", p.BktInfo.Name),
 				zap.String("objID", objIDToDelete.EncodeToString()))
 		}
 	}

api/layer/layer.go

@@ -328,6 +328,14 @@ func (n *layer) Owner(ctx context.Context) user.ID {
 	return ownerID
 }
 
+func (n *layer) reqLogger(ctx context.Context) *zap.Logger {
+	reqLogger := api.GetReqLog(ctx)
+	if reqLogger != nil {
+		return reqLogger
+	}
+	return n.log
+}
+
 func (n *layer) prepareAuthParameters(ctx context.Context, prm *PrmAuth, bktOwner user.ID) {
 	if bd, ok := ctx.Value(api.BoxData).(*accessbox.Box); ok && bd != nil && bd.Gate != nil && bd.Gate.BearerToken != nil {
 		if bd.Gate.BearerToken.Impersonate() || bktOwner.Equals(bearer.ResolveIssuer(*bd.Gate.BearerToken)) {
@@ -352,9 +360,11 @@ func (n *layer) GetBucketInfo(ctx context.Context, name string) (*data.BucketInf
 
 	containerID, err := n.ResolveBucket(ctx, name)
 	if err != nil {
-		n.log.Debug("bucket not found", zap.Error(err))
+		if strings.Contains(err.Error(), "not found") {
 			return nil, errors.GetAPIError(errors.ErrNoSuchBucket)
 		}
+		return nil, err
+	}
 
 	return n.containerInfo(ctx, containerID)
 }
@@ -495,12 +505,8 @@ func (n *layer) GetExtendedObjectInfo(ctx context.Context, p *HeadObjectParams)
 		return nil, err
 	}
 
-	reqInfo := api.GetReqInfo(ctx)
+	n.reqLogger(ctx).Debug("get object",
-	n.log.Debug("get object",
-		zap.String("reqId", reqInfo.RequestID),
-		zap.String("bucket", p.BktInfo.Name),
 		zap.Stringer("cid", p.BktInfo.CID),
-		zap.String("object", objInfo.ObjectInfo.Name),
 		zap.Stringer("oid", objInfo.ObjectInfo.ID))
 
 	return objInfo, nil
@@ -520,7 +526,7 @@ func (n *layer) CopyObject(ctx context.Context, p *CopyObjectParams) (*data.Exte
 		})
 
 		if err = pw.CloseWithError(err); err != nil {
-			n.log.Error("could not get object", zap.Error(err))
+			n.reqLogger(ctx).Error("could not get object", zap.Error(err))
 		}
 	}()
 
@@ -635,8 +641,8 @@ func (n *layer) handleNotFoundError(bkt *data.BucketInfo, obj *VersionedObject)
 
 func (n *layer) handleObjectDeleteErrors(ctx context.Context, bkt *data.BucketInfo, obj *VersionedObject, nodeID uint64) *VersionedObject {
 	if client.IsErrObjectAlreadyRemoved(obj.Error) {
-		n.log.Debug("object already removed", zap.String("bucket", bkt.Name), zap.Stringer("cid", bkt.CID),
+		n.reqLogger(ctx).Debug("object already removed",
-			zap.String("object", obj.Name), zap.String("oid", obj.VersionID))
+			zap.Stringer("cid", bkt.CID), zap.String("oid", obj.VersionID))
 
 		obj.Error = n.treeService.RemoveVersion(ctx, bkt, nodeID)
 		if obj.Error != nil {
@@ -647,8 +653,8 @@ func (n *layer) handleObjectDeleteErrors(ctx context.Context, bkt *data.BucketIn
 	}
 
 	if client.IsErrObjectNotFound(obj.Error) {
-		n.log.Debug("object not found", zap.String("bucket", bkt.Name), zap.Stringer("cid", bkt.CID),
+		n.reqLogger(ctx).Debug("object not found",
-			zap.String("object", obj.Name), zap.String("oid", obj.VersionID))
+			zap.Stringer("cid", bkt.CID), zap.String("oid", obj.VersionID))
 
 		obj.Error = nil
 
@@ -725,8 +731,7 @@ func (n *layer) ResolveBucket(ctx context.Context, name string) (cid.ID, error)
 			return cid.ID{}, err
 		}
 
-		reqInfo := api.GetReqInfo(ctx)
+		n.reqLogger(ctx).Info("resolve bucket", zap.Stringer("cid", cnrID))
-		n.log.Info("resolve bucket", zap.String("reqId", reqInfo.RequestID), zap.String("bucket", name), zap.Stringer("cid", cnrID))
 	}
 
 	return cnrID, nil

api/layer/multipart_upload.go

@@ -11,7 +11,6 @@ import (
 	"strings"
 	"time"
 
-	"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/api"
 	"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/api/data"
 	"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/api/errors"
 	"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/api/layer/encryption"
@@ -196,7 +195,7 @@ func (n *layer) UploadPart(ctx context.Context, p *UploadPartParams) (string, er
 func (n *layer) uploadPart(ctx context.Context, multipartInfo *data.MultipartInfo, p *UploadPartParams) (*data.ObjectInfo, error) {
 	encInfo := FormEncryptionInfo(multipartInfo.Meta)
 	if err := p.Info.Encryption.MatchObjectEncryption(encInfo); err != nil {
-		n.log.Warn("mismatched obj encryptionInfo", zap.Error(err))
+		n.reqLogger(ctx).Warn("mismatched obj encryptionInfo", zap.Error(err))
 		return nil, errors.GetAPIError(errors.ErrInvalidEncryptionParameters)
 	}
 
@@ -232,12 +231,9 @@ func (n *layer) uploadPart(ctx context.Context, multipartInfo *data.MultipartInf
 		size = decSize
 	}
 
-	reqInfo := api.GetReqInfo(ctx)
+	n.reqLogger(ctx).Debug("upload part",
-	n.log.Debug("upload part",
+		zap.String("multipart upload", p.Info.UploadID), zap.Int("part number", p.PartNumber),
-		zap.String("reqId", reqInfo.RequestID),
+		zap.Stringer("cid", bktInfo.CID), zap.Stringer("oid", id))
-		zap.String("bucket", bktInfo.Name), zap.Stringer("cid", bktInfo.CID),
-		zap.String("multipart upload", p.Info.UploadID),
-		zap.Int("part number", p.PartNumber), zap.String("object", p.Info.Key), zap.Stringer("oid", id))
 
 	partInfo := &data.PartInfo{
 		Key:      p.Info.Key,
@@ -256,10 +252,9 @@ func (n *layer) uploadPart(ctx context.Context, multipartInfo *data.MultipartInf
 	}
 	if !oldPartIDNotFound {
 		if err = n.objectDelete(ctx, bktInfo, oldPartID); err != nil {
-			n.log.Error("couldn't delete old part object", zap.Error(err),
+			n.reqLogger(ctx).Error("couldn't delete old part object", zap.Error(err),
-				zap.String("cnrID", bktInfo.CID.EncodeToString()),
+				zap.String("cid", bktInfo.CID.EncodeToString()),
-				zap.String("bucket name", bktInfo.Name),
+				zap.String("oid", oldPartID.EncodeToString()))
-				zap.String("objID", oldPartID.EncodeToString()))
 		}
 	}
 
@@ -308,7 +303,7 @@ func (n *layer) UploadPartCopy(ctx context.Context, p *UploadCopyParams) (*data.
 		})
 
 		if err = pw.CloseWithError(err); err != nil {
-			n.log.Error("could not get object", zap.Error(err))
+			n.reqLogger(ctx).Error("could not get object", zap.Error(err))
 		}
 	}()
 
@@ -455,7 +450,7 @@ func (n *layer) CompleteMultipartUpload(ctx context.Context, p *CompleteMultipar
 		CopiesNumbers: multipartInfo.CopiesNumbers,
 	})
 	if err != nil {
-		n.log.Error("could not put a completed object (multipart upload)",
+		n.reqLogger(ctx).Error("could not put a completed object (multipart upload)",
 			zap.String("uploadID", p.Info.UploadID),
 			zap.String("uploadKey", p.Info.Key),
 			zap.Error(err))
@@ -467,9 +462,8 @@ func (n *layer) CompleteMultipartUpload(ctx context.Context, p *CompleteMultipar
 	addr.SetContainer(p.Info.Bkt.CID)
 	for _, partInfo := range partsInfo {
 		if err = n.objectDelete(ctx, p.Info.Bkt, partInfo.OID); err != nil {
-			n.log.Warn("could not delete upload part",
+			n.reqLogger(ctx).Warn("could not delete upload part",
-				zap.Stringer("object id", &partInfo.OID),
+				zap.Stringer("cid", p.Info.Bkt.CID), zap.Stringer("oid", &partInfo.OID),
-				zap.Stringer("bucket id", p.Info.Bkt.CID),
 				zap.Error(err))
 		}
 		addr.SetObject(partInfo.OID)
@@ -547,7 +541,7 @@ func (n *layer) AbortMultipartUpload(ctx context.Context, p *UploadInfoParams) e
 
 	for _, info := range parts {
 		if err = n.objectDelete(ctx, p.Bkt, info.OID); err != nil {
-			n.log.Warn("couldn't delete part", zap.String("cid", p.Bkt.CID.EncodeToString()),
+			n.reqLogger(ctx).Warn("couldn't delete part", zap.String("cid", p.Bkt.CID.EncodeToString()),
 				zap.String("oid", info.OID.EncodeToString()), zap.Int("part number", info.Number), zap.Error(err))
 		}
 	}
@@ -564,7 +558,7 @@ func (n *layer) ListParts(ctx context.Context, p *ListPartsParams) (*ListPartsIn
 
 	encInfo := FormEncryptionInfo(multipartInfo.Meta)
 	if err = p.Info.Encryption.MatchObjectEncryption(encInfo); err != nil {
-		n.log.Warn("mismatched obj encryptionInfo", zap.Error(err))
+		n.reqLogger(ctx).Warn("mismatched obj encryptionInfo", zap.Error(err))
 		return nil, errors.GetAPIError(errors.ErrInvalidEncryptionParameters)
 	}
 
@@ -628,12 +622,8 @@ func (n *layer) getUploadParts(ctx context.Context, p *UploadInfoParams) (*data.
 		oids[i] = part.OID.EncodeToString()
 	}
 
-	reqInfo := api.GetReqInfo(ctx)
+	n.reqLogger(ctx).Debug("part details",
-	n.log.Debug("part details",
-		zap.String("reqId", reqInfo.RequestID),
-		zap.String("bucket", p.Bkt.Name),
 		zap.Stringer("cid", p.Bkt.CID),
-		zap.String("object", p.Key),
 		zap.String("upload id", p.UploadID),
 		zap.Ints("part numbers", partsNumbers),
 		zap.Strings("oids", oids))

api/layer/notifications.go

@@ -47,10 +47,9 @@ func (n *layer) PutBucketNotificationConfiguration(ctx context.Context, p *PutBu
 
 	if !objIDToDeleteNotFound {
 		if err = n.objectDelete(ctx, p.BktInfo, objIDToDelete); err != nil {
-			n.log.Error("couldn't delete notification configuration object", zap.Error(err),
+			n.reqLogger(ctx).Error("couldn't delete notification configuration object", zap.Error(err),
-				zap.String("cnrID", p.BktInfo.CID.EncodeToString()),
+				zap.String("cid", p.BktInfo.CID.EncodeToString()),
-				zap.String("bucket name", p.BktInfo.Name),
+				zap.String("oid", objIDToDelete.EncodeToString()))
-				zap.String("objID", objIDToDelete.EncodeToString()))
 		}
 	}
 

api/layer/object.go

@@ -240,11 +240,7 @@ func (n *layer) PutObject(ctx context.Context, p *PutObjectParams) (*data.Extend
 		return nil, err
 	}
 
-	reqInfo := api.GetReqInfo(ctx)
+	n.reqLogger(ctx).Debug("put object", zap.Stringer("cid", p.BktInfo.CID), zap.Stringer("oid", id))
-	n.log.Debug("put object",
-		zap.String("reqId", reqInfo.RequestID),
-		zap.String("bucket", p.BktInfo.Name), zap.Stringer("cid", p.BktInfo.CID),
-		zap.String("object", p.Object), zap.Stringer("oid", id))
 
 	newVersion := &data.NodeVersion{
 		BaseNodeVersion: data.BaseNodeVersion{
@@ -562,7 +558,8 @@ func nodesGenerator(ctx context.Context, p allObjectParams, nodeVersions []*data
 }
 
 func (n *layer) initWorkerPool(ctx context.Context, size int, p allObjectParams, input <-chan *data.NodeVersion) (<-chan *data.ObjectInfo, error) {
-	pool, err := ants.NewPool(size, ants.WithLogger(&logWrapper{n.log}))
+	reqLog := n.reqLogger(ctx)
+	pool, err := ants.NewPool(size, ants.WithLogger(&logWrapper{reqLog}))
 	if err != nil {
 		return nil, fmt.Errorf("coudln't init go pool for listing: %w", err)
 	}
@@ -600,7 +597,7 @@ func (n *layer) initWorkerPool(ctx context.Context, size int, p allObjectParams,
 				})
 				if err != nil {
 					wg.Done()
-					n.log.Warn("failed to submit task to pool", zap.Error(err))
+					reqLog.Warn("failed to submit task to pool", zap.Error(err))
 				}
 			}(node)
 		}
@@ -742,7 +739,7 @@ func (n *layer) objectInfoFromObjectsCacheOrFrostFS(ctx context.Context, bktInfo
 
 	meta, err := n.objectHead(ctx, bktInfo, node.OID)
 	if err != nil {
-		n.log.Warn("could not fetch object meta", zap.Error(err))
+		n.reqLogger(ctx).Warn("could not fetch object meta", zap.Error(err))
 		return nil
 	}
 

api/layer/tagging.go

@@ -4,7 +4,6 @@ import (
 	"context"
 	errorsStd "errors"
 
-	"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/api"
 	"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/api/data"
 	"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/api/errors"
 	cid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id"
@@ -178,11 +177,8 @@ func (n *layer) getNodeVersion(ctx context.Context, objVersion *ObjectVersion) (
 	}
 
 	if err == nil && version != nil && !version.IsDeleteMarker() {
-		reqInfo := api.GetReqInfo(ctx)
+		n.reqLogger(ctx).Debug("get tree node",
-		n.log.Debug("target details",
+			zap.Stringer("cid", objVersion.BktInfo.CID), zap.Stringer("oid", version.OID))
-			zap.String("reqId", reqInfo.RequestID),
-			zap.String("bucket", objVersion.BktInfo.Name), zap.Stringer("cid", objVersion.BktInfo.CID),
-			zap.String("object", objVersion.ObjectName), zap.Stringer("oid", version.OID))
 	}
 
 	return version, err

api/reqinfo.go

@@ -10,6 +10,7 @@ import (
 	"sync"
 
 	"github.com/gorilla/mux"
+	"go.uber.org/zap"
 )
 
 type (
@@ -42,10 +43,13 @@ type (
 	}
 )
 
-// Key used for Get/SetReqInfo.
+// Key used for custom key/value in context.
 type contextKeyType string
 
-const ctxRequestInfo = contextKeyType("FrostFS-S3-GW")
+const (
+	ctxRequestInfo   = contextKeyType("FrostFS-S3-GW")
+	ctxRequestLogger = contextKeyType("FrostFS-S3-GW-Logger")
+)
 
 var (
 	// De-facto standard header keys.
@@ -104,7 +108,7 @@ func GetSourceIP(r *http.Request) string {
 	return addr
 }
 
-func prepareContext(w http.ResponseWriter, r *http.Request) context.Context {
+func prepareReqInfo(w http.ResponseWriter, r *http.Request) *ReqInfo {
 	vars := mux.Vars(r)
 	bucket := vars["bucket"]
 	object, err := url.PathUnescape(vars["object"])
@@ -118,13 +122,11 @@ func prepareContext(w http.ResponseWriter, r *http.Request) context.Context {
 	if prefix != "" {
 		object = prefix
 	}
-	return SetReqInfo(r.Context(),
+	return NewReqInfo(w, r, ObjectRequest{
-		// prepare request info
-		NewReqInfo(w, r, ObjectRequest{
 		Bucket: bucket,
 		Object: object,
 		Method: mux.CurrentRoute(r).GetName(),
-		}))
+	})
 }
 
 // NewReqInfo returns new ReqInfo based on parameters.
@@ -194,6 +196,7 @@ func SetReqInfo(ctx context.Context, req *ReqInfo) context.Context {
 }
 
 // GetReqInfo returns ReqInfo if set.
+// If ReqInfo isn't set returns new empty ReqInfo.
 func GetReqInfo(ctx context.Context) *ReqInfo {
 	if ctx == nil {
 		return &ReqInfo{}
@@ -202,3 +205,22 @@ func GetReqInfo(ctx context.Context) *ReqInfo {
 	}
 	return &ReqInfo{}
 }
+
+// SetReqLogger sets child zap.Logger in the context.
+func SetReqLogger(ctx context.Context, log *zap.Logger) context.Context {
+	if ctx == nil {
+		return nil
+	}
+	return context.WithValue(ctx, ctxRequestLogger, log)
+}
+
+// GetReqLog returns log if set.
+// If zap.Logger isn't set returns nil.
+func GetReqLog(ctx context.Context) *zap.Logger {
+	if ctx == nil {
+		return nil
+	} else if r, ok := ctx.Value(ctxRequestLogger).(*zap.Logger); ok {
+		return r
+	}
+	return nil
+}

api/router.go

@@ -124,26 +124,64 @@ func (lrw *logResponseWriter) Flush() {
 	}
 }
 
-func setRequestID(h http.Handler) http.Handler {
+func prepareRequest(log *zap.Logger) mux.MiddlewareFunc {
+	return func(h http.Handler) http.Handler {
 		return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 			// generate random UUIDv4
 			id, _ := uuid.NewRandom()
 
 			// set request id into response header
+			// also we have to set request id here
+			// to be able to get it in prepareReqInfo
 			w.Header().Set(hdrAmzRequestID, id.String())
 
+			// set request info into context
+			reqInfo := prepareReqInfo(w, r)
+			r = r.WithContext(SetReqInfo(r.Context(), reqInfo))
+
 			// set request id into gRPC meta header
 			r = r.WithContext(metadata.AppendToOutgoingContext(
-			r.Context(), hdrAmzRequestID, id.String(),
+				r.Context(), hdrAmzRequestID, reqInfo.RequestID,
 			))
 
-		// set request info into context
+			// set request scoped child logger into context
-		r = r.WithContext(prepareContext(w, r))
+			additionalFields := []zap.Field{zap.String("request_id", reqInfo.RequestID),
+				zap.String("method", reqInfo.API), zap.String("bucket", reqInfo.BucketName)}
+
+			if isObjectRequest(reqInfo) {
+				additionalFields = append(additionalFields, zap.String("object", reqInfo.ObjectName))
+			}
+			reqLogger := log.With(additionalFields...)
+
+			r = r.WithContext(SetReqLogger(r.Context(), reqLogger))
+
+			reqLogger.Info("request start", zap.String("host", r.Host),
+				zap.String("remote_host", reqInfo.RemoteHost))
 
 			// continue execution
 			h.ServeHTTP(w, r)
 		})
 	}
+}
+
+var objectMethods = []string{
+	"HeadObject", "GetObject", "DeleteObject", "PutObject", "PostObject", "CopyObject",
+	"CreateMultipartUpload", "UploadPartCopy", "UploadPart", "ListObjectParts",
+	"CompleteMultipartUpload", "AbortMultipartUpload",
+	"PutObjectACL", "GetObjectACL",
+	"PutObjectTagging", "GetObjectTagging", "DeleteObjectTagging",
+	"PutObjectRetention", "GetObjectRetention", "PutObjectLegalHold", "getobjectlegalhold",
+	"SelectObjectContent", "GetObjectAttributes",
+}
+
+func isObjectRequest(info *ReqInfo) bool {
+	for _, method := range objectMethods {
+		if info.API == method {
+			return true
+		}
+	}
+	return false
+}
 
 func appendCORS(handler Handler) mux.MiddlewareFunc {
 	return func(h http.Handler) http.Handler {
@@ -173,10 +211,7 @@ func resolveCID(log *zap.Logger, resolveBucket BucketResolveFunc) CIDResolveFunc
 
 		bktInfo, err := resolveBucket(ctx, reqInfo.BucketName)
 		if err != nil {
-			log.Debug("failed to resolve CID",
+			reqLogOrDefault(ctx, log).Debug("failed to resolve CID", zap.Error(err))
-				zap.String("request_id", reqInfo.RequestID), zap.String("method", reqInfo.API),
-				zap.String("bucket", reqInfo.BucketName), zap.String("object", reqInfo.ObjectName),
-				zap.Error(err))
 			return ""
 		}
 
@@ -188,7 +223,8 @@ func logSuccessResponse(l *zap.Logger) mux.MiddlewareFunc {
 	return func(h http.Handler) http.Handler {
 		return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 			lw := &logResponseWriter{ResponseWriter: w}
-			reqInfo := GetReqInfo(r.Context())
+
+			reqLogger := reqLogOrDefault(r.Context(), l)
 
 			// pass execution:
 			h.ServeHTTP(lw, r)
@@ -198,13 +234,8 @@ func logSuccessResponse(l *zap.Logger) mux.MiddlewareFunc {
 				return
 			}
 
-			l.Info("call method",
+			reqLogger.Info("request end",
 				zap.Int("status", lw.statusCode),
-				zap.String("host", r.Host),
-				zap.String("request_id", GetRequestID(r.Context())),
-				zap.String("method", mux.CurrentRoute(r).GetName()),
-				zap.String("bucket", reqInfo.BucketName),
-				zap.String("object", reqInfo.ObjectName),
 				zap.String("description", http.StatusText(lw.statusCode)))
 		})
 	}
@@ -253,7 +284,7 @@ func Attach(r *mux.Router, domains []string, m MaxClients, h Handler, center aut
 
 	api.Use(
 		// -- prepare request
-		setRequestID,
+		prepareRequest(log),
 
 		// Attach user authentication for all S3 routes.
 		AuthMiddleware(log, center),

api/tracing.go

@@ -13,6 +13,7 @@ import (
 )
 
 // TracingMiddleware adds tracing support for requests.
+// Must be placed after prepareRequest middleware.
 func TracingMiddleware() mux.MiddlewareFunc {
 	return func(h http.Handler) http.Handler {
 		return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
@@ -111,6 +112,7 @@ func StartHTTPServerSpan(r *http.Request, operationName string, opts ...trace.Sp
 	opts = append(opts, trace.WithAttributes(
 		attribute.String("s3.client_address", r.RemoteAddr),
 		attribute.String("s3.path", r.Host),
+		attribute.String("s3.request_id", GetRequestID(r.Context())),
 		semconv.HTTPMethod(r.Method),
 		semconv.RPCService("frostfs-s3-gw"),
 		attribute.String("s3.query", r.RequestURI),

api/user_auth.go

@@ -27,10 +27,10 @@ func AuthMiddleware(log *zap.Logger, center auth.Center) mux.MiddlewareFunc {
 			box, err := center.Authenticate(r)
 			if err != nil {
 				if err == auth.ErrNoAuthorizationHeader {
-					log.Debug("couldn't receive access box for gate key, random key will be used")
+					reqLogOrDefault(ctx, log).Debug("couldn't receive access box for gate key, random key will be used")
 					ctx = r.Context()
 				} else {
-					log.Error("failed to pass authentication", zap.Error(err))
+					reqLogOrDefault(ctx, log).Error("failed to pass authentication", zap.Error(err))
 					if _, ok := err.(errors.Error); !ok {
 						err = errors.GetAPIError(errors.ErrAccessDenied)
 					}
@@ -48,3 +48,11 @@ func AuthMiddleware(log *zap.Logger, center auth.Center) mux.MiddlewareFunc {
 		})
 	}
 }
+
+func reqLogOrDefault(ctx context.Context, log *zap.Logger) *zap.Logger {
+	reqLog := GetReqLog(ctx)
+	if reqLog != nil {
+		return reqLog
+	}
+	return log
+}

pkg/service/tree/tree.go

@@ -9,6 +9,7 @@ import (
 	"strings"
 	"time"
 
+	"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/api"
 	"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/api/data"
 	"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/api/layer"
 	oid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/id"
@@ -825,7 +826,7 @@ func (c *Tree) getUnversioned(ctx context.Context, bktInfo *data.BucketInfo, tre
 	}
 
 	if len(nodes) > 1 {
-		c.log.Debug("found more than one unversioned node", zap.Stringer("cid", bktInfo.CID),
+		c.reqLogger(ctx).Debug("found more than one unversioned node",
 			zap.String("treeID", treeID), zap.String("filepath", filepath))
 	}
 
@@ -1190,6 +1191,14 @@ func (c *Tree) getNode(ctx context.Context, bktInfo *data.BucketInfo, treeID str
 	return newTreeNode(nodes[0])
 }
 
+func (c *Tree) reqLogger(ctx context.Context) *zap.Logger {
+	reqLogger := api.GetReqLog(ctx)
+	if reqLogger != nil {
+		return reqLogger
+	}
+	return c.log
+}
+
 func parseLockConfiguration(value string) (*data.ObjectLockConfiguration, error) {
 	result := &data.ObjectLockConfiguration{}
 	if len(value) == 0 {