use const multipart uploads folder

avoid error bucket NotEmpty if multipart uploads folder exist

docker/compose/local-s3tests-compose.yml

@@ -37,8 +37,8 @@ services:
     environment:
       S3TEST_CONF: "s3tests.conf"
       NOSETESTS_OPTIONS: "--verbose --logging-level=ERROR --with-xunit --failure-detail s3tests_boto3.functional.test_s3"
-      NOSETESTS_ATTR: "!tagging,!fails_on_aws,!encryption,!bucket-policy,!versioning,!fails_on_rgw,!bucket-policy,!fails_with_subdomain,!policy_status,!object-lock,!lifecycle,!cors,!user-policy"
-      NOSETESTS_EXCLUDE: "(get_bucket_encryption|delete_bucket_encryption|put_bucket_encryption|bucket_list_delimiter_basic|bucket_listv2_delimiter_basic|bucket_listv2_encoding_basic|bucket_list_encoding_basic|bucket_list_delimiter_prefix|bucket_listv2_delimiter_prefix_ends_with_delimiter|bucket_list_delimiter_prefix_ends_with_delimiter|bucket_list_delimiter_alt|bucket_listv2_delimiter_alt|bucket_list_delimiter_prefix_underscore|bucket_list_delimiter_percentage|bucket_listv2_delimiter_percentage|bucket_list_delimiter_whitespace|bucket_listv2_delimiter_whitespace|bucket_list_delimiter_dot|bucket_listv2_delimiter_dot|bucket_list_delimiter_unreadable|bucket_listv2_delimiter_unreadable|bucket_listv2_fetchowner_defaultempty|bucket_listv2_fetchowner_empty|bucket_list_prefix_delimiter_alt|bucket_listv2_prefix_delimiter_alt|bucket_list_prefix_delimiter_prefix_not_exist|bucket_listv2_prefix_delimiter_prefix_not_exist|bucket_list_prefix_delimiter_delimiter_not_exist|bucket_listv2_prefix_delimiter_delimiter_not_exist|bucket_list_prefix_delimiter_prefix_delimiter_not_exist|bucket_listv2_prefix_delimiter_prefix_delimiter_not_exist|bucket_list_maxkeys_none|bucket_listv2_maxkeys_none|bucket_list_maxkeys_invalid|bucket_listv2_continuationtoken_empty|bucket_list_return_data|bucket_list_objects_anonymous|bucket_listv2_objects_anonymous|bucket_concurrent_set_canned_acl|object_write_to_nonexist_bucket|object_requestid_matches_header_on_error|object_set_get_metadata_none_to_good|object_set_get_metadata_none_to_empty|object_set_get_metadata_overwrite_to_empty|post_object_anonymous_request|post_object_authenticated_request|post_object_authenticated_no_content_type|post_object_authenticated_request_bad_access_key|post_object_set_success_code|post_object_set_invalid_success_code|post_object_upload_larger_than_chunk|post_object_set_key_from_filename|post_object_ignored_header|post_object_case_insensitive_condition_fields|post_object_escaped_field_values|post_object_success_redirect_action|post_object_invalid_signature|post_object_invalid_access_key|post_object_missing_policy_condition|post_object_user_specified_header|post_object_request_missing_policy_specified_field|post_object_expired_policy|post_object_invalid_request_field_value|get_object_ifunmodifiedsince_good|put_object_ifmatch_failed|object_raw_get_bucket_gone|object_delete_key_bucket_gone|object_raw_get_bucket_acl|object_raw_get_object_acl|object_raw_response_headers|object_raw_authenticated_bucket_gone|object_raw_get_x_amz_expires_out_max_range|object_raw_get_x_amz_expires_out_positive_range|object_anon_put_write_access|object_raw_put_authenticated_expired|bucket_create_exists|bucket_create_naming_bad_short_one|bucket_create_naming_bad_short_two|bucket_get_location|bucket_acl_default|bucket_acl_canned|bucket_acl_canned_publicreadwrite|bucket_acl_canned_authenticatedread|object_acl_default|object_acl_canned_during_create|object_acl_canned|object_acl_canned_publicreadwrite|object_acl_canned_authenticatedread|object_acl_canned_bucketownerread|object_acl_canned_bucketownerfullcontrol|object_acl_full_control_verify_attributes|bucket_acl_canned_private_to_private|bucket_acl_grant_nonexist_user|bucket_acl_no_grants|bucket_acl_grant_email_not_exist|bucket_acl_revoke_all|bucket_recreate_not_overriding|object_copy_verify_contenttype|object_copy_to_itself_with_metadata|object_copy_not_owned_bucket|object_copy_not_owned_object_bucket|object_copy_retaining_metadata|object_copy_replacing_metadata|multipart_upload_empty|multipart_copy_invalid_range|multipart_copy_special_names|multipart_upload_resend_part|multipart_upload_size_too_small|abort_multipart_upload_not_found|multipart_upload_missing_part|100_continue|ranged_request_invalid_range|ranged_request_empty_object|access_bucket|list_multipart_upload_owner|multipart_upload_small)"
+      NOSETESTS_ATTR: "!fails_on_aws,!encryption,!bucket-policy,!versioning,!fails_on_rgw,!bucket-policy,!fails_with_subdomain,!policy_status,!object-lock,!lifecycle,!cors,!user-policy"
+      NOSETESTS_EXCLUDE: "(post_object_tags_anonymous_request|get_obj_tagging|set_bucket_tagging|post_object_tags_authenticated_request|put_max_tags|put_modify_tags|test_put_obj_with_tags|get_bucket_encryption|delete_bucket_encryption|put_bucket_encryption|bucket_list_delimiter_basic|bucket_listv2_delimiter_basic|bucket_listv2_encoding_basic|bucket_list_encoding_basic|bucket_list_delimiter_prefix|bucket_listv2_delimiter_prefix_ends_with_delimiter|bucket_list_delimiter_prefix_ends_with_delimiter|bucket_list_delimiter_alt|bucket_listv2_delimiter_alt|bucket_list_delimiter_prefix_underscore|bucket_list_delimiter_percentage|bucket_listv2_delimiter_percentage|bucket_list_delimiter_whitespace|bucket_listv2_delimiter_whitespace|bucket_list_delimiter_dot|bucket_listv2_delimiter_dot|bucket_list_delimiter_unreadable|bucket_listv2_delimiter_unreadable|bucket_listv2_fetchowner_defaultempty|bucket_listv2_fetchowner_empty|bucket_list_prefix_delimiter_alt|bucket_listv2_prefix_delimiter_alt|bucket_list_prefix_delimiter_prefix_not_exist|bucket_listv2_prefix_delimiter_prefix_not_exist|bucket_list_prefix_delimiter_delimiter_not_exist|bucket_listv2_prefix_delimiter_delimiter_not_exist|bucket_list_prefix_delimiter_prefix_delimiter_not_exist|bucket_listv2_prefix_delimiter_prefix_delimiter_not_exist|bucket_list_maxkeys_none|bucket_listv2_maxkeys_none|bucket_list_maxkeys_invalid|bucket_listv2_continuationtoken_empty|bucket_list_return_data|bucket_list_objects_anonymous|bucket_listv2_objects_anonymous|bucket_concurrent_set_canned_acl|object_write_to_nonexist_bucket|object_requestid_matches_header_on_error|object_set_get_metadata_none_to_good|object_set_get_metadata_none_to_empty|object_set_get_metadata_overwrite_to_empty|post_object_anonymous_request|post_object_authenticated_request|post_object_authenticated_no_content_type|post_object_authenticated_request_bad_access_key|post_object_set_success_code|post_object_set_invalid_success_code|post_object_upload_larger_than_chunk|post_object_set_key_from_filename|post_object_ignored_header|post_object_case_insensitive_condition_fields|post_object_escaped_field_values|post_object_success_redirect_action|post_object_invalid_signature|post_object_invalid_access_key|post_object_missing_policy_condition|post_object_user_specified_header|post_object_request_missing_policy_specified_field|post_object_expired_policy|post_object_invalid_request_field_value|get_object_ifunmodifiedsince_good|put_object_ifmatch_failed|object_raw_get_bucket_gone|object_delete_key_bucket_gone|object_raw_get_bucket_acl|object_raw_get_object_acl|object_raw_response_headers|object_raw_authenticated_bucket_gone|object_raw_get_x_amz_expires_out_max_range|object_raw_get_x_amz_expires_out_positive_range|object_anon_put_write_access|object_raw_put_authenticated_expired|bucket_create_exists|bucket_create_naming_bad_short_one|bucket_create_naming_bad_short_two|bucket_get_location|bucket_acl_default|bucket_acl_canned|bucket_acl_canned_publicreadwrite|bucket_acl_canned_authenticatedread|object_acl_default|object_acl_canned_during_create|object_acl_canned|object_acl_canned_publicreadwrite|object_acl_canned_authenticatedread|object_acl_canned_bucketownerread|object_acl_canned_bucketownerfullcontrol|object_acl_full_control_verify_attributes|bucket_acl_canned_private_to_private|bucket_acl_grant_nonexist_user|bucket_acl_no_grants|bucket_acl_grant_email_not_exist|bucket_acl_revoke_all|bucket_recreate_not_overriding|object_copy_verify_contenttype|object_copy_to_itself_with_metadata|object_copy_not_owned_bucket|object_copy_not_owned_object_bucket|object_copy_retaining_metadata|object_copy_replacing_metadata|multipart_upload_empty|multipart_copy_invalid_range|multipart_copy_special_names|multipart_upload_resend_part|multipart_upload_size_too_small|abort_multipart_upload_not_found|multipart_upload_missing_part|100_continue|ranged_request_invalid_range|ranged_request_empty_object|access_bucket|list_multipart_upload_owner|multipart_upload_small)"
     depends_on:
       - master
       - volume

weed/command/filer_remote_gateway_buckets.go

@@ -9,6 +9,7 @@ import (
 	"github.com/chrislusf/seaweedfs/weed/pb/remote_pb"
 	"github.com/chrislusf/seaweedfs/weed/remote_storage"
 	"github.com/chrislusf/seaweedfs/weed/replication/source"
+	"github.com/chrislusf/seaweedfs/weed/s3api/s3_constants"
 	"github.com/chrislusf/seaweedfs/weed/util"
 	"github.com/golang/protobuf/proto"
 	"math"
@@ -181,7 +182,7 @@ func (option *RemoteGatewayOptions) makeBucketedEventProcessor(filerSource *sour
 			if message.NewParentPath == option.bucketsDir {
 				return handleCreateBucket(message.NewEntry)
 			}
-			if strings.HasPrefix(message.NewParentPath, option.bucketsDir) && strings.Contains(message.NewParentPath, "/.uploads/") {
+			if strings.HasPrefix(message.NewParentPath, option.bucketsDir) && strings.Contains(message.NewParentPath, "/"+s3_constants.MultipartUploadsFolder+"/") {
 				return nil
 			}
 			if !filer.HasData(message.NewEntry) {

weed/replication/sink/localsink/local_sink.go

@@ -7,6 +7,7 @@ import (
 	"github.com/chrislusf/seaweedfs/weed/replication/repl_util"
 	"github.com/chrislusf/seaweedfs/weed/replication/sink"
 	"github.com/chrislusf/seaweedfs/weed/replication/source"
+	"github.com/chrislusf/seaweedfs/weed/s3api/s3_constants"
 	"github.com/chrislusf/seaweedfs/weed/util"
 	"os"
 	"path/filepath"
@@ -32,7 +33,7 @@ func (localsink *LocalSink) GetName() string {
 }
 
 func (localsink *LocalSink) isMultiPartEntry(key string) bool {
-	return strings.HasSuffix(key, ".part") && strings.Contains(key, "/.uploads/")
+	return strings.HasSuffix(key, ".part") && strings.Contains(key, "/"+s3_constants.MultipartUploadsFolder+"/")
 }
 
 func (localsink *LocalSink) initialize(dir string, isIncremental bool) error {

weed/s3api/s3_constants/s3_actions.go

@@ -8,4 +8,5 @@ const (
 	ACTION_LIST    = "List"
 
 	SeaweedStorageDestinationHeader = "x-seaweedfs-destination"
+	MultipartUploadsFolder          = ".uploads"
 )

weed/s3api/s3api_bucket_handlers.go

@@ -150,14 +150,16 @@ func (s3a *S3ApiServer) DeleteBucketHandler(w http.ResponseWriter, r *http.Reque
 
 	err := s3a.WithFilerClient(false, func(client filer_pb.SeaweedFilerClient) error {
 		if !s3a.option.AllowDeleteBucketNotEmpty {
-			entries, _, err := s3a.list(s3a.option.BucketsPath+"/"+bucket, "", "", false, 1)
+			entries, _, err := s3a.list(s3a.option.BucketsPath+"/"+bucket, "", "", false, 2)
 			if err != nil {
 				return fmt.Errorf("failed to list bucket %s: %v", bucket, err)
 			}
-			if len(entries) > 0 {
+			for _, entry := range entries {
+				if entry.Name != s3_constants.MultipartUploadsFolder {
 					return errors.New(s3err.GetAPIError(s3err.ErrBucketNotEmpty).Code)
 				}
 			}
+		}
 
 		// delete collection
 		deleteCollectionRequest := &filer_pb.DeleteCollectionRequest{

weed/s3api/s3api_object_multipart_handlers.go

@@ -268,7 +268,7 @@ func (s3a *S3ApiServer) PutObjectPartHandler(w http.ResponseWriter, r *http.Requ
 }
 
 func (s3a *S3ApiServer) genUploadsFolder(bucket string) string {
-	return fmt.Sprintf("%s/%s/.uploads", s3a.option.BucketsPath, bucket)
+	return fmt.Sprintf("%s/%s/%s", s3a.option.BucketsPath, bucket, s3_constants.MultipartUploadsFolder)
 }
 
 // Generate uploadID hash string from object

weed/s3api/s3api_objects_list_handlers.go

@@ -309,7 +309,7 @@ func (s3a *S3ApiServer) doListFilerEntries(client filer_pb.SeaweedFilerClient, d
 		nextMarker = dir + "/" + entry.Name
 		if entry.IsDirectory {
 			// println("ListEntries", dir, "dir:", entry.Name)
-			if entry.Name == ".uploads" { // FIXME no need to apply to all directories. this extra also affects maxKeys
+			if entry.Name == s3_constants.MultipartUploadsFolder { // FIXME no need to apply to all directories. this extra also affects maxKeys
 				continue
 			}
 			if delimiter == "" {

weed/shell/command_s3_clean_uploads.go

@@ -3,6 +3,7 @@ package shell
 import (
 	"flag"
 	"fmt"
+	"github.com/chrislusf/seaweedfs/weed/s3api/s3_constants"
 	"github.com/chrislusf/seaweedfs/weed/security"
 	"github.com/chrislusf/seaweedfs/weed/util"
 	"io"
@@ -68,7 +69,7 @@ func (c *commandS3CleanUploads) Do(args []string, commandEnv *CommandEnv, writer
 }
 
 func (c *commandS3CleanUploads) cleanupUploads(commandEnv *CommandEnv, writer io.Writer, filerBucketsPath string, bucket string, timeAgo time.Duration, signingKey string) error {
-	uploadsDir := filerBucketsPath + "/" + bucket + "/.uploads"
+	uploadsDir := filerBucketsPath + "/" + bucket + "/" + s3_constants.MultipartUploadsFolder
 	var staleUploads []string
 	now := time.Now()
 	err := filer_pb.List(commandEnv, uploadsDir, "", func(entry *filer_pb.Entry, isLast bool) error {