frostfs-s3-gw/neofs/layer/neofs-object.go

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package layer
import (
"bytes"
"context"
"errors"
"io"
"time"
auth "github.com/minio/minio/auth"
"github.com/nspcc-dev/neofs-api-go/object"
"github.com/nspcc-dev/neofs-api-go/query"
"github.com/nspcc-dev/neofs-api-go/refs"
"github.com/nspcc-dev/neofs-api-go/service"
"github.com/nspcc-dev/neofs-api-go/storagegroup"
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"go.uber.org/zap"
)
const (
dataChunkSize = 3 * object.UnitsMB
objectVersion = 1
)
type (
putParams struct {
addr refs.Address
name string
size int64
r io.Reader
userHeaders map[string]string
}
sgParams struct {
addr refs.Address
objects []refs.ObjectID
}
delParams struct {
addr refs.Address
}
getParams struct {
addr refs.Address
start int64
length int64
writer io.Writer
}
)
// objectSearchContainer returns all available objects in the container.
func (n *neofsObject) objectSearchContainer(ctx context.Context, cid refs.CID) ([]refs.ObjectID, error) {
var q query.Query
q.Filters = append(q.Filters, query.Filter{
Type: query.Filter_Exact,
Name: object.KeyRootObject,
})
queryBinary, err := q.Marshal()
if err != nil {
return nil, err
}
token, err := prepareToken(n.token, queryParams{
key: n.key,
addr: refs.Address{CID: cid},
verb: service.Token_Info_Search,
})
if err != nil {
return nil, err
}
req := new(object.SearchRequest)
req.Query = queryBinary
req.QueryVersion = 1
req.ContainerID = cid
req.SetVersion(APIVersion)
req.SetTTL(service.SingleForwardingTTL)
req.SetBearer(auth.GetBearerToken(ctx))
req.SetToken(token)
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err = service.SignRequestData(n.key, req)
if err != nil {
return nil, err
}
conn, err := n.cli.GetConnection(ctx)
if err != nil {
return nil, err
}
// todo: think about timeout
ctx, cancel := context.WithTimeout(ctx, 30*time.Second)
defer cancel()
searchClient, err := object.NewServiceClient(conn).Search(ctx, req)
if err != nil {
return nil, err
}
var (
response []refs.Address
result []refs.ObjectID
)
for {
resp, err := searchClient.Recv()
if err != nil {
if err == io.EOF {
break
}
return nil, errors.New("search command received error")
}
response = append(response, resp.Addresses...)
}
for i := range response {
result = append(result, response[i].ObjectID)
}
return result, nil
}
// objectFindID returns object id (uuid) based on it's nice name in s3. If
// nice name is uuid compatible, then function returns it.
func (n *neofsObject) objectFindID(ctx context.Context, cid refs.CID, name string, put bool) (refs.ObjectID, error) {
var (
id refs.ObjectID
q query.Query
)
q.Filters = append(q.Filters, query.Filter{
Type: query.Filter_Exact,
Name: object.KeyRootObject,
})
q.Filters = append(q.Filters, query.Filter{
Type: query.Filter_Exact,
Name: AWS3NameHeader,
Value: name,
})
queryBinary, err := q.Marshal()
if err != nil {
return id, err
}
token, err := prepareToken(n.token, queryParams{
key: n.key,
addr: refs.Address{CID: cid},
verb: service.Token_Info_Search,
})
if err != nil {
return id, err
}
req := new(object.SearchRequest)
req.Query = queryBinary
req.QueryVersion = 1
req.ContainerID = cid
req.SetVersion(APIVersion)
req.SetTTL(service.SingleForwardingTTL)
req.SetBearer(auth.GetBearerToken(ctx))
req.SetToken(token)
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err = service.SignRequestData(n.key, req)
if err != nil {
return id, err
}
conn, err := n.cli.GetConnection(ctx)
if err != nil {
return id, err
}
// todo: think about timeout
ctx, cancel := context.WithTimeout(ctx, 30*time.Second)
defer cancel()
searchClient, err := object.NewServiceClient(conn).Search(ctx, req)
if err != nil {
return id, err
}
var response []refs.Address
for {
resp, err := searchClient.Recv()
if err != nil {
if err == io.EOF {
break
}
return id, errors.New("search command received error")
}
response = append(response, resp.Addresses...)
}
switch ln := len(response); {
case ln > 1:
return id, errors.New("several objects with the same name found")
case ln == 1:
return response[0].ObjectID, nil
default:
// Minio lists all objects with and without nice names. All objects
// without nice name still have "name" in terms of minio - uuid encoded
// into string. There is a tricky case when user upload object
// with nice name that is encoded uuid.
// There is an optimisation to parse name and return uuid if it name is uuid
// compatible. It _should not_ work in case of put operation, because object
// with uuid compatible nice name may not exist. Therefore this optimization
// breaks object put logic and must be turned off.
if !put {
err := id.Parse(name)
if err == nil {
return id, nil
}
}
return id, errors.New("object not found")
}
}
// objectHead returns all object's headers.
func (n *neofsObject) objectHead(ctx context.Context, addr refs.Address) (*object.Object, error) {
token, err := prepareToken(n.token, queryParams{
key: n.key,
addr: addr,
verb: service.Token_Info_Head,
})
if err != nil {
return nil, err
}
req := new(object.HeadRequest)
req.Address = addr
req.FullHeaders = true
req.SetVersion(APIVersion)
req.SetTTL(service.SingleForwardingTTL)
req.SetBearer(auth.GetBearerToken(ctx))
req.SetToken(token)
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err = service.SignRequestData(n.key, req)
if err != nil {
return nil, err
}
conn, err := n.cli.GetConnection(ctx)
if err != nil {
return nil, err
}
// todo: think about timeout
ctx, cancel := context.WithTimeout(ctx, 30*time.Second)
defer cancel()
res, err := object.NewServiceClient(conn).Head(ctx, req)
if err != nil {
return nil, err
}
return res.Object, nil
}
// objectGet and write it into provided io.Reader.
func (n *neofsObject) objectGet(ctx context.Context, p getParams) (*object.Object, error) {
token, err := prepareToken(n.token, queryParams{
key: n.key,
addr: p.addr,
verb: service.Token_Info_Get,
})
if err != nil {
return nil, err
}
// todo: replace object.Get() call by object.GetRange() for
// true sequential reading support; it will be possible when
// object.GetRange() response message become gRPC stream.
req := new(object.GetRequest)
req.Address = p.addr
req.SetVersion(APIVersion)
req.SetTTL(service.SingleForwardingTTL)
req.SetBearer(auth.GetBearerToken(ctx))
req.SetToken(token)
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err = service.SignRequestData(n.key, req)
if err != nil {
return nil, err
}
conn, err := n.cli.GetConnection(ctx)
if err != nil {
return nil, err
}
// todo: think about timeout
ctx, cancel := context.WithTimeout(ctx, 30*time.Second)
defer cancel()
getClient, err := object.NewServiceClient(conn).Get(ctx, req)
if err != nil {
return nil, err
}
var (
headerReceived bool
buf = new(bytes.Buffer)
objHeader = new(object.Object)
)
for {
resp, err := getClient.Recv()
if err != nil {
if err == io.EOF {
break
}
return nil, err
}
if !headerReceived {
objHeader = resp.GetObject()
_, hdr := objHeader.LastHeader(object.HeaderType(object.TombstoneHdr))
if hdr != nil {
return nil, errors.New("object already removed")
}
_, err = buf.Write(objHeader.Payload)
if err != nil && err != io.EOF {
return nil, err
}
headerReceived = true
continue
}
chunk := resp.GetChunk()
_, err = buf.Write(chunk)
if err != nil && err != io.EOF {
return nil, err
}
}
buf = bytes.NewBuffer(buf.Bytes()[p.start : p.start+p.length])
_, err = io.Copy(p.writer, buf)
return objHeader, err
}
// objectPut into neofs, took payload from io.Reader.
func (n *neofsObject) objectPut(ctx context.Context, p putParams) (*object.Object, error) {
token, err := prepareToken(n.token, queryParams{
key: n.key,
addr: p.addr,
verb: service.Token_Info_Put,
})
if err != nil {
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n.log.Error("could not prepare token",
zap.Error(err))
return nil, err
}
conn, err := n.cli.GetConnection(ctx)
if err != nil {
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n.log.Error("could not prepare connection",
zap.Error(err))
return nil, err
}
client := object.NewServiceClient(conn)
// todo: think about timeout
putClient, err := client.Put(ctx)
if err != nil {
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n.log.Error("could not prepare PutClient",
zap.Error(err))
return nil, err
}
if p.userHeaders == nil {
p.userHeaders = make(map[string]string)
}
p.userHeaders[AWS3NameHeader] = p.name
readBuffer := make([]byte, dataChunkSize)
obj := &object.Object{
SystemHeader: object.SystemHeader{
Version: objectVersion,
ID: p.addr.ObjectID,
OwnerID: n.owner,
CID: p.addr.CID,
PayloadLength: uint64(p.size),
},
Headers: parseUserHeaders(p.userHeaders),
}
req := object.MakePutRequestHeader(obj)
req.SetVersion(APIVersion)
req.SetTTL(service.SingleForwardingTTL)
req.SetBearer(auth.GetBearerToken(ctx))
req.SetToken(token)
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err = service.SignRequestData(n.key, req)
if err != nil {
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n.log.Error("could not prepare request",
zap.Error(err))
return nil, err
}
err = putClient.Send(req)
if err != nil {
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n.log.Error("could not send request",
zap.Error(err))
return nil, err
}
read, err := p.r.Read(readBuffer)
for read > 0 {
if err != nil && err != io.EOF {
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n.log.Error("something went wrong",
zap.Error(err))
return nil, err
}
if read > 0 {
req := object.MakePutRequestChunk(readBuffer[:read])
req.SetVersion(APIVersion)
req.SetTTL(service.SingleForwardingTTL)
req.SetBearer(auth.GetBearerToken(ctx))
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err = service.SignRequestData(n.key, req)
if err != nil {
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n.log.Error("could not sign chunk request",
zap.Error(err))
return nil, err
}
err = putClient.Send(req)
if err != nil && err != io.EOF {
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n.log.Error("could not send chunk",
zap.Error(err))
return nil, err
}
}
read, err = p.r.Read(readBuffer)
}
_, err = putClient.CloseAndRecv()
if err != nil {
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n.log.Error("could not finish request",
zap.Error(err))
return nil, err
}
// maybe make a head?
return obj, nil
}
// storageGroupPut prepares storage group object and put it into neofs.
func (n *neofsObject) storageGroupPut(ctx context.Context, p sgParams) (*object.Object, error) {
token, err := prepareToken(n.token, queryParams{
key: n.key,
addr: p.addr,
verb: service.Token_Info_Put,
})
if err != nil {
return nil, err
}
conn, err := n.cli.GetConnection(ctx)
if err != nil {
return nil, err
}
client := object.NewServiceClient(conn)
// todo: think about timeout
putClient, err := client.Put(ctx)
if err != nil {
return nil, err
}
sg := &object.Object{
SystemHeader: object.SystemHeader{
Version: objectVersion,
ID: p.addr.ObjectID,
OwnerID: n.owner,
CID: p.addr.CID,
},
Headers: make([]object.Header, 0, len(p.objects)),
}
for i := range p.objects {
sg.AddHeader(&object.Header{Value: &object.Header_Link{
Link: &object.Link{Type: object.Link_StorageGroup, ID: p.objects[i]},
}})
}
sg.SetStorageGroup(new(storagegroup.StorageGroup))
req := object.MakePutRequestHeader(sg)
req.SetVersion(APIVersion)
req.SetTTL(service.SingleForwardingTTL)
req.SetBearer(auth.GetBearerToken(ctx))
req.SetToken(token)
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err = service.SignRequestData(n.key, req)
if err != nil {
return nil, err
}
err = putClient.Send(req)
if err != nil {
return nil, err
}
_, err = putClient.CloseAndRecv()
if err != nil {
return nil, err
}
return sg, nil
}
// objectDelete puts tombstone object into neofs.
func (n *neofsObject) objectDelete(ctx context.Context, p delParams) error {
token, err := prepareToken(n.token, queryParams{
key: n.key,
addr: p.addr,
verb: service.Token_Info_Delete,
})
if err != nil {
return err
}
req := new(object.DeleteRequest)
req.Address = p.addr
req.OwnerID = n.owner
req.SetVersion(APIVersion)
req.SetTTL(service.SingleForwardingTTL)
req.SetBearer(auth.GetBearerToken(ctx))
req.SetToken(token)
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err = service.SignRequestData(n.key, req)
if err != nil {
return err
}
conn, err := n.cli.GetConnection(ctx)
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
}