frostfs-s3-gw/api/layer/tree_service.go

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package layer
import (
"context"
"errors"
"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/api/data"
oid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/id"
)
// TreeService provide interface to interact with tree service using s3 data models.
type TreeService interface {
// PutSettingsNode update or create new settings node in tree service.
PutSettingsNode(ctx context.Context, bktInfo *data.BucketInfo, settings *data.BucketSettings) error
// GetSettingsNode retrieves the settings node from the tree service and form data.BucketSettings.
//
// If tree node is not found returns ErrNodeNotFound error.
GetSettingsNode(ctx context.Context, bktInfo *data.BucketInfo) (*data.BucketSettings, error)
// GetNotificationConfigurationNode gets an object id that corresponds to object with bucket CORS.
//
// If tree node is not found returns ErrNodeNotFound error.
GetNotificationConfigurationNode(ctx context.Context, bktInfo *data.BucketInfo) (oid.ID, error)
// PutNotificationConfigurationNode puts a node to a system tree
// and returns objectID of a previous notif config which must be deleted in FrostFS.
//
// If object id to remove is not found returns ErrNoNodeToRemove error.
PutNotificationConfigurationNode(ctx context.Context, bktInfo *data.BucketInfo, objID oid.ID) (oid.ID, error)
// GetBucketCORS gets an object id that corresponds to object with bucket CORS.
//
// If object id is not found returns ErrNodeNotFound error.
GetBucketCORS(ctx context.Context, bktInfo *data.BucketInfo) (oid.ID, error)
// PutBucketCORS puts a node to a system tree and returns objectID of a previous cors config which must be deleted in FrostFS.
//
// If object id to remove is not found returns ErrNoNodeToRemove error.
PutBucketCORS(ctx context.Context, bktInfo *data.BucketInfo, objID oid.ID) (oid.ID, error)
// DeleteBucketCORS removes a node from a system tree and returns objID which must be deleted in FrostFS.
//
// If object id to remove is not found returns ErrNoNodeToRemove error.
DeleteBucketCORS(ctx context.Context, bktInfo *data.BucketInfo) (oid.ID, error)
GetObjectTagging(ctx context.Context, bktInfo *data.BucketInfo, objVersion *data.NodeVersion) (map[string]string, error)
PutObjectTagging(ctx context.Context, bktInfo *data.BucketInfo, objVersion *data.NodeVersion, tagSet map[string]string) error
DeleteObjectTagging(ctx context.Context, bktInfo *data.BucketInfo, objVersion *data.NodeVersion) error
GetBucketTagging(ctx context.Context, bktInfo *data.BucketInfo) (map[string]string, error)
PutBucketTagging(ctx context.Context, bktInfo *data.BucketInfo, tagSet map[string]string) error
DeleteBucketTagging(ctx context.Context, bktInfo *data.BucketInfo) error
GetVersions(ctx context.Context, bktInfo *data.BucketInfo, objectName string) ([]*data.NodeVersion, error)
GetLatestVersion(ctx context.Context, bktInfo *data.BucketInfo, objectName string) (*data.NodeVersion, error)
InitVersionsByPrefixStream(ctx context.Context, bktInfo *data.BucketInfo, prefix string, latestOnly bool) (data.VersionsStream, error)
GetUnversioned(ctx context.Context, bktInfo *data.BucketInfo, objectName string) (*data.NodeVersion, error)
AddVersion(ctx context.Context, bktInfo *data.BucketInfo, newVersion *data.NodeVersion) (uint64, error)
RemoveVersion(ctx context.Context, bktInfo *data.BucketInfo, nodeID uint64) error
PutLock(ctx context.Context, bktInfo *data.BucketInfo, nodeID uint64, lock *data.LockInfo) error
GetLock(ctx context.Context, bktInfo *data.BucketInfo, nodeID uint64) (*data.LockInfo, error)
CreateMultipartUpload(ctx context.Context, bktInfo *data.BucketInfo, info *data.MultipartInfo) error
DeleteMultipartUpload(ctx context.Context, bktInfo *data.BucketInfo, info *data.MultipartInfo) error
GetMultipartUploadsByPrefix(ctx context.Context, bktInfo *data.BucketInfo, prefix string) ([]*data.MultipartInfo, error)
GetMultipartUpload(ctx context.Context, bktInfo *data.BucketInfo, objectName, uploadID string) (*data.MultipartInfo, error)
// AddPart puts a node to a system tree as a child of appropriate multipart upload
// and returns objectID of a previous part which must be deleted in FrostFS.
//
// If object id to remove is not found returns ErrNoNodeToRemove error.
AddPart(ctx context.Context, bktInfo *data.BucketInfo, multipartNodeID uint64, info *data.PartInfo) (oldObjIDToDelete oid.ID, err error)
GetParts(ctx context.Context, bktInfo *data.BucketInfo, multipartNodeID uint64) ([]*data.PartInfo, error)
// Compound methods for optimizations
// GetObjectTaggingAndLock unifies GetObjectTagging and GetLock methods in single tree service invocation.
GetObjectTaggingAndLock(ctx context.Context, bktInfo *data.BucketInfo, objVersion *data.NodeVersion) (map[string]string, *data.LockInfo, error)
}
var (
// ErrNodeNotFound is returned from Tree service in case of not found error.
ErrNodeNotFound = errors.New("not found")
// ErrNodeAccessDenied is returned from Tree service in case of access denied error.
ErrNodeAccessDenied = errors.New("access denied")
// ErrNoNodeToRemove is returned from Tree service in case of the lack of node with OID to remove.
ErrNoNodeToRemove = errors.New("no node to remove")
)