frostfs-node/pkg/services/object/put/remote.go

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package putsvc
import (
"context"
"crypto/ecdsa"
"fmt"
clientcore "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/client"
netmapCore "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/netmap"
objectcore "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/object"
internalclient "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/services/object/internal/client"
"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/services/object/util"
"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/netmap"
"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object"
"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/transformer"
)
type remoteTarget struct {
privateKey *ecdsa.PrivateKey
commonPrm *util.CommonPrm
nodeInfo clientcore.NodeInfo
obj *object.Object
clientConstructor ClientConstructor
}
// RemoteSender represents utility for
// sending an object to a remote host.
type RemoteSender struct {
keyStorage *util.KeyStorage
clientConstructor ClientConstructor
}
// RemotePutPrm groups remote put operation parameters.
type RemotePutPrm struct {
node netmap.NodeInfo
obj *object.Object
}
func (t *remoteTarget) WriteObject(obj *object.Object, _ objectcore.ContentMeta) error {
t.obj = obj
return nil
}
func (t *remoteTarget) Close(ctx context.Context) (*transformer.AccessIdentifiers, error) {
c, err := t.clientConstructor.Get(t.nodeInfo)
if err != nil {
return nil, fmt.Errorf("(%T) could not create SDK client %s: %w", t, t.nodeInfo, err)
}
var prm internalclient.PutObjectPrm
prm.SetClient(c)
prm.SetPrivateKey(t.privateKey)
prm.SetSessionToken(t.commonPrm.SessionToken())
prm.SetBearerToken(t.commonPrm.BearerToken())
prm.SetXHeaders(t.commonPrm.XHeaders())
prm.SetObject(t.obj)
res, err := internalclient.PutObject(ctx, prm)
if err != nil {
return nil, fmt.Errorf("(%T) could not put object to %s: %w", t, t.nodeInfo.AddressGroup(), err)
}
return &transformer.AccessIdentifiers{SelfID: res.ID()}, nil
}
// NewRemoteSender creates, initializes and returns new RemoteSender instance.
func NewRemoteSender(keyStorage *util.KeyStorage, cons ClientConstructor) *RemoteSender {
return &RemoteSender{
keyStorage: keyStorage,
clientConstructor: cons,
}
}
// WithNodeInfo sets information about the remote node.
func (p *RemotePutPrm) WithNodeInfo(v netmap.NodeInfo) *RemotePutPrm {
if p != nil {
p.node = v
}
return p
}
// WithObject sets transferred object.
func (p *RemotePutPrm) WithObject(v *object.Object) *RemotePutPrm {
if p != nil {
p.obj = v
}
return p
}
// PutObject sends object to remote node.
func (s *RemoteSender) PutObject(ctx context.Context, p *RemotePutPrm) error {
key, err := s.keyStorage.GetKey(nil)
if err != nil {
return err
}
t := &remoteTarget{
privateKey: key,
clientConstructor: s.clientConstructor,
}
err = clientcore.NodeInfoFromRawNetmapElement(&t.nodeInfo, netmapCore.Node(p.node))
if err != nil {
return fmt.Errorf("parse client node info: %w", err)
}
if err := t.WriteObject(p.obj, objectcore.ContentMeta{}); err != nil {
return fmt.Errorf("(%T) could not send object header: %w", s, err)
} else if _, err := t.Close(ctx); err != nil {
return fmt.Errorf("(%T) could not send object: %w", s, err)
}
return nil
}