[#13] Rename go module name according to NSPCC standards
- refactoring s3 gate structure - cleanup unused code - rename go module to `github.com/nspcc-dev/neofs-s3-gate` closes #13 Signed-off-by: Evgeniy Kulikov <kim@nspcc.ru>
This commit is contained in:
Evgeniy Kulikov
parent
e7f72fc670
commit
0161d2fbd3
25 changed files with 396 additions and 1112 deletions
566
api/layer/object.go
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566
api/layer/object.go
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@ -0,0 +1,566 @@
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package layer
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import (
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"context"
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"io"
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"time"
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"github.com/nspcc-dev/neofs-api-go/object"
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"github.com/nspcc-dev/neofs-api-go/query"
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"github.com/nspcc-dev/neofs-api-go/refs"
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"github.com/nspcc-dev/neofs-api-go/service"
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"github.com/nspcc-dev/neofs-api-go/storagegroup"
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"github.com/nspcc-dev/neofs-s3-gate/api/pool"
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"github.com/pkg/errors"
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"go.uber.org/zap"
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)
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const (
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dataChunkSize = 3 * object.UnitsMB
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objectVersion = 1
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)
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type (
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putParams struct {
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addr refs.Address
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name string
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size int64
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r io.Reader
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userHeaders map[string]string
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}
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sgParams struct {
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addr refs.Address
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objects []refs.ObjectID
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}
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delParams struct {
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addr refs.Address
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}
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getParams struct {
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addr refs.Address
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start int64
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length int64
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writer io.Writer
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}
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)
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// objectSearchContainer returns all available objects in the container.
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func (n *layer) objectSearchContainer(ctx context.Context, cid refs.CID) ([]refs.ObjectID, error) {
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var q query.Query
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q.Filters = append(q.Filters, query.Filter{
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Type: query.Filter_Exact,
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Name: object.KeyRootObject,
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})
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conn, err := n.cli.GetConnection(ctx)
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if err != nil {
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return nil, err
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}
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queryBinary, err := q.Marshal()
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if err != nil {
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return nil, err
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}
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token, err := n.cli.SessionToken(ctx, &pool.SessionParams{
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Conn: conn,
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Addr: refs.Address{CID: cid},
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Verb: service.Token_Info_Search,
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})
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if err != nil {
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return nil, err
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}
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req := new(object.SearchRequest)
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req.Query = queryBinary
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req.QueryVersion = 1
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req.ContainerID = cid
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req.SetTTL(service.SingleForwardingTTL)
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req.SetToken(token)
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// req.SetBearer(bearerToken)
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err = service.SignRequestData(n.key, req)
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if err != nil {
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return nil, err
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}
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// todo: think about timeout
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ctx, cancel := context.WithTimeout(ctx, 30*time.Second)
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defer cancel()
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searchClient, err := object.NewServiceClient(conn).Search(ctx, req)
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if err != nil {
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return nil, err
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}
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var (
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response []refs.Address
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result []refs.ObjectID
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)
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for {
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resp, err := searchClient.Recv()
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if err != nil {
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if err == io.EOF {
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break
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}
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return nil, errors.New("search command received error")
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}
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response = append(response, resp.Addresses...)
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}
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for i := range response {
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result = append(result, response[i].ObjectID)
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}
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return result, nil
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}
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// objectFindID returns object id (uuid) based on it's nice name in s3. If
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// nice name is uuid compatible, then function returns it.
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func (n *layer) objectFindID(ctx context.Context, cid refs.CID, name string, put bool) (refs.ObjectID, error) {
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var (
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id refs.ObjectID
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q query.Query
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)
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q.Filters = append(q.Filters, query.Filter{
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Type: query.Filter_Exact,
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Name: object.KeyRootObject,
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})
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q.Filters = append(q.Filters, query.Filter{
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Type: query.Filter_Exact,
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Name: AWS3NameHeader,
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Value: name,
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})
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queryBinary, err := q.Marshal()
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if err != nil {
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return id, err
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}
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conn, err := n.cli.GetConnection(ctx)
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if err != nil {
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return id, err
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}
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token, err := n.cli.SessionToken(ctx, &pool.SessionParams{
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Conn: conn,
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Addr: refs.Address{CID: cid},
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Verb: service.Token_Info_Search,
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})
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if err != nil {
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return id, err
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}
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req := new(object.SearchRequest)
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req.Query = queryBinary
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req.QueryVersion = 1
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req.ContainerID = cid
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req.SetTTL(service.SingleForwardingTTL)
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req.SetToken(token)
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// req.SetBearer(bearerToken)
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err = service.SignRequestData(n.key, req)
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if err != nil {
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return id, err
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}
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// todo: think about timeout
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ctx, cancel := context.WithTimeout(ctx, 30*time.Second)
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defer cancel()
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searchClient, err := object.NewServiceClient(conn).Search(ctx, req)
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if err != nil {
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return id, err
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}
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var response []refs.Address
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for {
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resp, err := searchClient.Recv()
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if err != nil {
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if err == io.EOF {
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break
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}
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return id, errors.New("search command received error")
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}
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response = append(response, resp.Addresses...)
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}
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switch ln := len(response); {
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case ln > 1:
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return id, errors.New("several objects with the same name found")
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case ln == 1:
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return response[0].ObjectID, nil
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default:
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// Minio lists all objects with and without nice names. All objects
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// without nice name still have "name" in terms of minio - uuid encoded
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// into string. There is a tricky case when user upload object
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// with nice name that is encoded uuid.
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// There is an optimisation to parse name and return uuid if it name is uuid
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// compatible. It _should not_ work in case of put operation, because object
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// with uuid compatible nice name may not exist. Therefore this optimization
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// breaks object put logic and must be turned off.
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if !put {
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err := id.Parse(name)
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if err == nil {
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return id, nil
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}
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}
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return id, errors.New("object not found")
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}
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}
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// objectHead returns all object's headers.
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func (n *layer) objectHead(ctx context.Context, addr refs.Address) (*object.Object, error) {
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conn, err := n.cli.GetConnection(ctx)
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if err != nil {
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return nil, err
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}
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token, err := n.cli.SessionToken(ctx, &pool.SessionParams{
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Conn: conn,
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Addr: addr,
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Verb: service.Token_Info_Head,
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})
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if err != nil {
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return nil, err
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}
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req := new(object.HeadRequest)
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req.Address = addr
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req.FullHeaders = true
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req.SetTTL(service.SingleForwardingTTL)
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req.SetToken(token)
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// req.SetBearer(bearerToken)
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err = service.SignRequestData(n.key, req)
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if err != nil {
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return nil, err
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}
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// todo: think about timeout
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ctx, cancel := context.WithTimeout(ctx, 30*time.Second)
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defer cancel()
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res, err := object.NewServiceClient(conn).Head(ctx, req)
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if err != nil {
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return nil, err
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}
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return res.Object, nil
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}
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func receiveObject(cli object.Service_GetClient) (*object.Object, error) {
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var (
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off int
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buf []byte
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obj *object.Object
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)
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for {
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resp, err := cli.Recv()
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if err != nil {
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if err == io.EOF {
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break
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}
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return nil, err
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}
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switch o := resp.R.(type) {
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case *object.GetResponse_Object:
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if _, hdr := o.Object.LastHeader(object.HeaderType(object.TombstoneHdr)); hdr != nil {
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return nil, errors.New("object already removed")
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}
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obj = o.Object
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buf = make([]byte, obj.SystemHeader.PayloadLength)
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if len(obj.Payload) > 0 {
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off += copy(buf, obj.Payload)
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}
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case *object.GetResponse_Chunk:
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if obj == nil {
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return nil, errors.New("object headers not received")
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}
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off += copy(buf[off:], o.Chunk)
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default:
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return nil, errors.Errorf("unknown response %T", o)
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}
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}
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if obj == nil {
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return nil, errors.New("object headers not received")
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}
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obj.Payload = buf
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return obj, nil
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}
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// objectGet and write it into provided io.Reader.
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func (n *layer) objectGet(ctx context.Context, p getParams) (*object.Object, error) {
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conn, err := n.cli.GetConnection(ctx)
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if err != nil {
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return nil, err
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}
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token, err := n.cli.SessionToken(ctx, &pool.SessionParams{
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Conn: conn,
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Addr: p.addr,
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Verb: service.Token_Info_Get,
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})
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if err != nil {
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return nil, err
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}
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// todo: replace object.Get() call by object.GetRange() for
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// true sequential reading support; it will be possible when
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// object.GetRange() response message become gRPC stream.
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req := new(object.GetRequest)
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req.Address = p.addr
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req.SetTTL(service.SingleForwardingTTL)
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req.SetToken(token)
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// req.SetBearer(bearerToken)
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err = service.SignRequestData(n.key, req)
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if err != nil {
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return nil, err
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}
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// todo: think about timeout
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ctx, cancel := context.WithTimeout(ctx, 30*time.Second)
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defer cancel()
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var obj *object.Object
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if cli, err := object.NewServiceClient(conn).Get(ctx, req); err != nil {
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return nil, err
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} else if obj, err = receiveObject(cli); err != nil {
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return nil, err
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} else if ln := int64(obj.SystemHeader.PayloadLength); p.start+p.length > ln {
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return nil, errors.Errorf("slice bounds out of range: len = %d, start = %d, offset = %d",
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ln, p.start, p.length)
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} else if _, err = p.writer.Write(obj.Payload[p.start : p.start+p.length]); err != nil {
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return nil, err
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}
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// remove payload:
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obj.Payload = nil
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return obj, nil
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}
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// objectPut into neofs, took payload from io.Reader.
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func (n *layer) objectPut(ctx context.Context, p putParams) (*object.Object, error) {
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conn, err := n.cli.GetConnection(ctx)
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if err != nil {
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return nil, err
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}
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token, err := n.cli.SessionToken(ctx, &pool.SessionParams{
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Conn: conn,
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Addr: p.addr,
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Verb: service.Token_Info_Put,
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})
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if err != nil {
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n.log.Error("could not prepare token",
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zap.Error(err))
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return nil, err
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}
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putClient, err := object.NewServiceClient(conn).Put(ctx)
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if err != nil {
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n.log.Error("could not prepare PutClient",
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zap.Error(err))
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return nil, err
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}
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if p.userHeaders == nil {
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p.userHeaders = make(map[string]string)
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}
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p.userHeaders[AWS3NameHeader] = p.name
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readBuffer := make([]byte, dataChunkSize)
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obj := &object.Object{
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SystemHeader: object.SystemHeader{
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Version: objectVersion,
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ID: p.addr.ObjectID,
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OwnerID: n.uid,
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CID: p.addr.CID,
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PayloadLength: uint64(p.size),
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},
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Headers: parseUserHeaders(p.userHeaders),
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}
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req := object.MakePutRequestHeader(obj)
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req.SetTTL(service.SingleForwardingTTL)
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req.SetToken(token)
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// req.SetBearer(bearerToken)
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err = service.SignRequestData(n.key, req)
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if err != nil {
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n.log.Error("could not prepare request",
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zap.Error(err))
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return nil, err
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}
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err = putClient.Send(req)
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if err != nil {
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n.log.Error("could not send request",
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zap.Error(err))
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return nil, err
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}
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read, err := p.r.Read(readBuffer)
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for read > 0 {
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if err != nil && err != io.EOF {
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n.log.Error("something went wrong",
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zap.Error(err))
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return nil, err
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}
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if read > 0 {
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req := object.MakePutRequestChunk(readBuffer[:read])
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req.SetTTL(service.SingleForwardingTTL)
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// req.SetBearer(bearerToken)
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err = service.SignRequestData(n.key, req)
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if err != nil {
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n.log.Error("could not sign chunk request",
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zap.Error(err))
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return nil, err
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}
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err = putClient.Send(req)
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if err != nil && err != io.EOF {
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n.log.Error("could not send chunk",
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zap.Error(err))
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return nil, err
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}
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}
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read, err = p.r.Read(readBuffer)
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}
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_, err = putClient.CloseAndRecv()
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if err != nil {
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n.log.Error("could not finish request",
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zap.Error(err))
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return nil, err
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}
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// maybe make a head?
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return obj, nil
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}
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// storageGroupPut prepares storage group object and put it into neofs.
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func (n *layer) storageGroupPut(ctx context.Context, p sgParams) (*object.Object, error) {
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conn, err := n.cli.GetConnection(ctx)
|
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if err != nil {
|
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return nil, err
|
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}
|
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|
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token, err := n.cli.SessionToken(ctx, &pool.SessionParams{
|
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Conn: conn,
|
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Addr: p.addr,
|
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Verb: service.Token_Info_Put,
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})
|
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if err != nil {
|
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return nil, err
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}
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|
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client := object.NewServiceClient(conn)
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// todo: think about timeout
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putClient, err := client.Put(ctx)
|
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if err != nil {
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return nil, err
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}
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sg := &object.Object{
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SystemHeader: object.SystemHeader{
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Version: objectVersion,
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ID: p.addr.ObjectID,
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OwnerID: n.uid,
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CID: p.addr.CID,
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},
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Headers: make([]object.Header, 0, len(p.objects)),
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}
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for i := range p.objects {
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sg.AddHeader(&object.Header{Value: &object.Header_Link{
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Link: &object.Link{Type: object.Link_StorageGroup, ID: p.objects[i]},
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}})
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}
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sg.SetStorageGroup(new(storagegroup.StorageGroup))
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req := object.MakePutRequestHeader(sg)
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req.SetTTL(service.SingleForwardingTTL)
|
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req.SetToken(token)
|
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// req.SetBearer(bearerToken)
|
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|
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err = service.SignRequestData(n.key, req)
|
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if err != nil {
|
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return nil, err
|
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}
|
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|
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err = putClient.Send(req)
|
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if err != nil {
|
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return nil, err
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}
|
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|
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_, err = putClient.CloseAndRecv()
|
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if err != nil {
|
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return nil, err
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}
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|
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return sg, nil
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}
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// objectDelete puts tombstone object into neofs.
|
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func (n *layer) objectDelete(ctx context.Context, p delParams) error {
|
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conn, err := n.cli.GetConnection(ctx)
|
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if err != nil {
|
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return err
|
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}
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|
||||
token, err := n.cli.SessionToken(ctx, &pool.SessionParams{
|
||||
Conn: conn,
|
||||
Addr: p.addr,
|
||||
Verb: service.Token_Info_Delete,
|
||||
})
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
req := new(object.DeleteRequest)
|
||||
req.Address = p.addr
|
||||
req.OwnerID = n.uid
|
||||
req.SetTTL(service.SingleForwardingTTL)
|
||||
req.SetToken(token)
|
||||
// req.SetBearer(bearerToken)
|
||||
|
||||
err = service.SignRequestData(n.key, req)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
// todo: think about timeout
|
||||
ctx, cancel := context.WithTimeout(ctx, 30*time.Second)
|
||||
defer cancel()
|
||||
|
||||
_, err = object.NewServiceClient(conn).Delete(ctx, req)
|
||||
|
||||
return err
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue