forked from TrueCloudLab/frostfs-node
558 lines
12 KiB
Go
558 lines
12 KiB
Go
package tree
|
|
|
|
import (
|
|
"bytes"
|
|
"context"
|
|
"errors"
|
|
"fmt"
|
|
|
|
"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/pilorama"
|
|
cidSDK "github.com/nspcc-dev/neofs-sdk-go/container/id"
|
|
"github.com/nspcc-dev/neofs-sdk-go/eacl"
|
|
netmapSDK "github.com/nspcc-dev/neofs-sdk-go/netmap"
|
|
"go.uber.org/zap"
|
|
)
|
|
|
|
// Service represents tree-service capable of working with multiple
|
|
// instances of CRDT trees.
|
|
type Service struct {
|
|
cfg
|
|
|
|
cache clientCache
|
|
replicateCh chan movePair
|
|
replicationTasks chan replicationTask
|
|
closeCh chan struct{}
|
|
containerCache containerCache
|
|
}
|
|
|
|
// MaxGetSubTreeDepth represents maximum allowed traversal depth in GetSubTree RPC.
|
|
const MaxGetSubTreeDepth = 10
|
|
|
|
var _ TreeServiceServer = (*Service)(nil)
|
|
|
|
// New creates new tree service instance.
|
|
func New(opts ...Option) *Service {
|
|
var s Service
|
|
s.containerCacheSize = defaultContainerCacheSize
|
|
s.replicatorChannelCapacity = defaultReplicatorCapacity
|
|
s.replicatorWorkerCount = defaultReplicatorWorkerCount
|
|
|
|
for i := range opts {
|
|
opts[i](&s.cfg)
|
|
}
|
|
|
|
if s.log == nil {
|
|
s.log = zap.NewNop()
|
|
}
|
|
|
|
s.cache.init()
|
|
s.closeCh = make(chan struct{})
|
|
s.replicateCh = make(chan movePair, s.replicatorChannelCapacity)
|
|
s.replicationTasks = make(chan replicationTask, s.replicatorWorkerCount)
|
|
s.containerCache.init(s.containerCacheSize)
|
|
|
|
return &s
|
|
}
|
|
|
|
// Start starts the service.
|
|
func (s *Service) Start(ctx context.Context) {
|
|
go s.replicateLoop(ctx)
|
|
}
|
|
|
|
// Shutdown shutdowns the service.
|
|
func (s *Service) Shutdown() {
|
|
close(s.closeCh)
|
|
}
|
|
|
|
func (s *Service) Add(ctx context.Context, req *AddRequest) (*AddResponse, error) {
|
|
b := req.GetBody()
|
|
|
|
var cid cidSDK.ID
|
|
if err := cid.Decode(b.GetContainerId()); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
err := s.verifyClient(req, cid, b.GetBearerToken(), eacl.OperationPut)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
ns, pos, err := s.getContainerNodes(cid)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if pos < 0 {
|
|
var resp *AddResponse
|
|
var outErr error
|
|
err = s.forEachNode(ctx, ns, func(c TreeServiceClient) bool {
|
|
resp, outErr = c.Add(ctx, req)
|
|
return true
|
|
})
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return resp, outErr
|
|
}
|
|
|
|
d := pilorama.CIDDescriptor{CID: cid, Position: pos, Size: len(ns)}
|
|
log, err := s.forest.TreeMove(d, b.GetTreeId(), &pilorama.Move{
|
|
Parent: b.GetParentId(),
|
|
Child: pilorama.RootID,
|
|
Meta: pilorama.Meta{Items: protoToMeta(b.GetMeta())},
|
|
})
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
s.pushToQueue(cid, b.GetTreeId(), log)
|
|
return &AddResponse{
|
|
Body: &AddResponse_Body{
|
|
NodeId: log.Child,
|
|
},
|
|
}, nil
|
|
}
|
|
|
|
func (s *Service) AddByPath(ctx context.Context, req *AddByPathRequest) (*AddByPathResponse, error) {
|
|
b := req.GetBody()
|
|
|
|
var cid cidSDK.ID
|
|
if err := cid.Decode(b.GetContainerId()); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
err := s.verifyClient(req, cid, b.GetBearerToken(), eacl.OperationPut)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
ns, pos, err := s.getContainerNodes(cid)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if pos < 0 {
|
|
var resp *AddByPathResponse
|
|
var outErr error
|
|
err = s.forEachNode(ctx, ns, func(c TreeServiceClient) bool {
|
|
resp, outErr = c.AddByPath(ctx, req)
|
|
return true
|
|
})
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return resp, outErr
|
|
}
|
|
|
|
meta := protoToMeta(b.GetMeta())
|
|
|
|
attr := b.GetPathAttribute()
|
|
if len(attr) == 0 {
|
|
attr = pilorama.AttributeFilename
|
|
}
|
|
|
|
d := pilorama.CIDDescriptor{CID: cid, Position: pos, Size: len(ns)}
|
|
logs, err := s.forest.TreeAddByPath(d, b.GetTreeId(), attr, b.GetPath(), meta)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
for i := range logs {
|
|
s.pushToQueue(cid, b.GetTreeId(), &logs[i])
|
|
}
|
|
|
|
nodes := make([]uint64, len(logs))
|
|
nodes[0] = logs[len(logs)-1].Child
|
|
for i, l := range logs[:len(logs)-1] {
|
|
nodes[i+1] = l.Child
|
|
}
|
|
|
|
return &AddByPathResponse{
|
|
Body: &AddByPathResponse_Body{
|
|
Nodes: nodes,
|
|
},
|
|
}, nil
|
|
}
|
|
|
|
func (s *Service) Remove(ctx context.Context, req *RemoveRequest) (*RemoveResponse, error) {
|
|
b := req.GetBody()
|
|
|
|
var cid cidSDK.ID
|
|
if err := cid.Decode(b.GetContainerId()); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
err := s.verifyClient(req, cid, b.GetBearerToken(), eacl.OperationPut)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
ns, pos, err := s.getContainerNodes(cid)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if pos < 0 {
|
|
var resp *RemoveResponse
|
|
var outErr error
|
|
err = s.forEachNode(ctx, ns, func(c TreeServiceClient) bool {
|
|
resp, outErr = c.Remove(ctx, req)
|
|
return true
|
|
})
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return resp, outErr
|
|
}
|
|
|
|
if b.GetNodeId() == pilorama.RootID {
|
|
return nil, fmt.Errorf("node with ID %d is root and can't be removed", b.GetNodeId())
|
|
}
|
|
|
|
d := pilorama.CIDDescriptor{CID: cid, Position: pos, Size: len(ns)}
|
|
log, err := s.forest.TreeMove(d, b.GetTreeId(), &pilorama.Move{
|
|
Parent: pilorama.TrashID,
|
|
Child: b.GetNodeId(),
|
|
})
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
s.pushToQueue(cid, b.GetTreeId(), log)
|
|
return new(RemoveResponse), nil
|
|
}
|
|
|
|
// Move applies client operation to the specified tree and pushes in queue
|
|
// for replication on other nodes.
|
|
func (s *Service) Move(ctx context.Context, req *MoveRequest) (*MoveResponse, error) {
|
|
b := req.GetBody()
|
|
|
|
var cid cidSDK.ID
|
|
if err := cid.Decode(b.GetContainerId()); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
err := s.verifyClient(req, cid, b.GetBearerToken(), eacl.OperationPut)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
ns, pos, err := s.getContainerNodes(cid)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if pos < 0 {
|
|
var resp *MoveResponse
|
|
var outErr error
|
|
err = s.forEachNode(ctx, ns, func(c TreeServiceClient) bool {
|
|
resp, outErr = c.Move(ctx, req)
|
|
return true
|
|
})
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return resp, outErr
|
|
}
|
|
|
|
if b.GetNodeId() == pilorama.RootID {
|
|
return nil, fmt.Errorf("node with ID %d is root and can't be moved", b.GetNodeId())
|
|
}
|
|
|
|
d := pilorama.CIDDescriptor{CID: cid, Position: pos, Size: len(ns)}
|
|
log, err := s.forest.TreeMove(d, b.GetTreeId(), &pilorama.Move{
|
|
Parent: b.GetParentId(),
|
|
Child: b.GetNodeId(),
|
|
Meta: pilorama.Meta{Items: protoToMeta(b.GetMeta())},
|
|
})
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
s.pushToQueue(cid, b.GetTreeId(), log)
|
|
return new(MoveResponse), nil
|
|
}
|
|
|
|
func (s *Service) GetNodeByPath(ctx context.Context, req *GetNodeByPathRequest) (*GetNodeByPathResponse, error) {
|
|
b := req.GetBody()
|
|
|
|
var cid cidSDK.ID
|
|
if err := cid.Decode(b.GetContainerId()); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
err := s.verifyClient(req, cid, b.GetBearerToken(), eacl.OperationGet)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
ns, pos, err := s.getContainerNodes(cid)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if pos < 0 {
|
|
var resp *GetNodeByPathResponse
|
|
var outErr error
|
|
err = s.forEachNode(ctx, ns, func(c TreeServiceClient) bool {
|
|
resp, outErr = c.GetNodeByPath(ctx, req)
|
|
return true
|
|
})
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return resp, outErr
|
|
}
|
|
|
|
attr := b.GetPathAttribute()
|
|
if len(attr) == 0 {
|
|
attr = pilorama.AttributeFilename
|
|
}
|
|
|
|
nodes, err := s.forest.TreeGetByPath(cid, b.GetTreeId(), attr, b.GetPath(), b.GetLatestOnly())
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
info := make([]*GetNodeByPathResponse_Info, 0, len(nodes))
|
|
for _, node := range nodes {
|
|
m, _, err := s.forest.TreeGetMeta(cid, b.GetTreeId(), node)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
var x GetNodeByPathResponse_Info
|
|
x.NodeId = node
|
|
x.Timestamp = m.Time
|
|
if b.AllAttributes {
|
|
x.Meta = metaToProto(m.Items)
|
|
} else {
|
|
for _, kv := range m.Items {
|
|
for _, attr := range b.GetAttributes() {
|
|
if kv.Key == attr {
|
|
x.Meta = append(x.Meta, &KeyValue{
|
|
Key: kv.Key,
|
|
Value: kv.Value,
|
|
})
|
|
break
|
|
}
|
|
}
|
|
}
|
|
}
|
|
info = append(info, &x)
|
|
}
|
|
|
|
return &GetNodeByPathResponse{
|
|
Body: &GetNodeByPathResponse_Body{
|
|
Nodes: info,
|
|
},
|
|
}, nil
|
|
}
|
|
|
|
type nodeDepthPair struct {
|
|
nodes []uint64
|
|
depth uint32
|
|
}
|
|
|
|
func (s *Service) GetSubTree(req *GetSubTreeRequest, srv TreeService_GetSubTreeServer) error {
|
|
b := req.GetBody()
|
|
if b.GetDepth() > MaxGetSubTreeDepth {
|
|
return fmt.Errorf("too big depth: max=%d, got=%d", MaxGetSubTreeDepth, b.GetDepth())
|
|
}
|
|
|
|
var cid cidSDK.ID
|
|
if err := cid.Decode(b.GetContainerId()); err != nil {
|
|
return err
|
|
}
|
|
|
|
err := s.verifyClient(req, cid, b.GetBearerToken(), eacl.OperationGet)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
ns, pos, err := s.getContainerNodes(cid)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if pos < 0 {
|
|
var cli TreeService_GetSubTreeClient
|
|
var outErr error
|
|
err = s.forEachNode(srv.Context(), ns, func(c TreeServiceClient) bool {
|
|
cli, outErr = c.GetSubTree(srv.Context(), req)
|
|
return true
|
|
})
|
|
if err != nil {
|
|
return err
|
|
} else if outErr != nil {
|
|
return outErr
|
|
}
|
|
for resp, err := cli.Recv(); err == nil; resp, err = cli.Recv() {
|
|
if err := srv.Send(resp); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
queue := []nodeDepthPair{{[]uint64{b.GetRootId()}, 0}}
|
|
|
|
for len(queue) != 0 {
|
|
for _, nodeID := range queue[0].nodes {
|
|
m, p, err := s.forest.TreeGetMeta(cid, b.GetTreeId(), nodeID)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
err = srv.Send(&GetSubTreeResponse{
|
|
Body: &GetSubTreeResponse_Body{
|
|
NodeId: nodeID,
|
|
ParentId: p,
|
|
Timestamp: m.Time,
|
|
Meta: metaToProto(m.Items),
|
|
},
|
|
})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
if queue[0].depth < b.GetDepth() {
|
|
for _, nodeID := range queue[0].nodes {
|
|
children, err := s.forest.TreeGetChildren(cid, b.GetTreeId(), nodeID)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
queue = append(queue, nodeDepthPair{children, queue[0].depth + 1})
|
|
}
|
|
}
|
|
|
|
queue = queue[1:]
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// Apply locally applies operation from the remote node to the tree.
|
|
func (s *Service) Apply(_ context.Context, req *ApplyRequest) (*ApplyResponse, error) {
|
|
err := verifyMessage(req)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
var cid cidSDK.ID
|
|
if err := cid.Decode(req.GetBody().GetContainerId()); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
key := req.GetSignature().GetKey()
|
|
|
|
_, pos, size, err := s.getContainerInfo(cid, key)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if pos < 0 {
|
|
return nil, errors.New("`Apply` request must be signed by a container node")
|
|
}
|
|
|
|
op := req.GetBody().GetOperation()
|
|
|
|
var meta pilorama.Meta
|
|
if err := meta.FromBytes(op.GetMeta()); err != nil {
|
|
return nil, fmt.Errorf("can't parse meta-information: %w", err)
|
|
}
|
|
|
|
d := pilorama.CIDDescriptor{CID: cid, Position: pos, Size: size}
|
|
resp := &ApplyResponse{Body: &ApplyResponse_Body{}, Signature: &Signature{}}
|
|
return resp, s.forest.TreeApply(d, req.GetBody().GetTreeId(), &pilorama.Move{
|
|
Parent: op.GetParentId(),
|
|
Child: op.GetChildId(),
|
|
Meta: meta,
|
|
})
|
|
}
|
|
|
|
func (s *Service) GetOpLog(req *GetOpLogRequest, srv TreeService_GetOpLogServer) error {
|
|
b := req.GetBody()
|
|
|
|
var cid cidSDK.ID
|
|
if err := cid.Decode(req.GetBody().GetContainerId()); err != nil {
|
|
return err
|
|
}
|
|
|
|
ns, pos, err := s.getContainerNodes(cid)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if pos < 0 {
|
|
var cli TreeService_GetOpLogClient
|
|
var outErr error
|
|
err := s.forEachNode(srv.Context(), ns, func(c TreeServiceClient) bool {
|
|
cli, outErr = c.GetOpLog(srv.Context(), req)
|
|
return true
|
|
})
|
|
if err != nil {
|
|
return err
|
|
} else if outErr != nil {
|
|
return outErr
|
|
}
|
|
for resp, err := cli.Recv(); err == nil; resp, err = cli.Recv() {
|
|
if err := srv.Send(resp); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
h := b.GetHeight()
|
|
for {
|
|
lm, err := s.forest.TreeGetOpLog(cid, b.GetTreeId(), h)
|
|
if err != nil || lm.Time == 0 {
|
|
return err
|
|
}
|
|
|
|
err = srv.Send(&GetOpLogResponse{
|
|
Body: &GetOpLogResponse_Body{
|
|
Operation: &LogMove{
|
|
ParentId: lm.Parent,
|
|
Meta: lm.Meta.Bytes(),
|
|
ChildId: lm.Child,
|
|
},
|
|
},
|
|
})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
h = lm.Time + 1
|
|
}
|
|
}
|
|
|
|
func protoToMeta(arr []*KeyValue) []pilorama.KeyValue {
|
|
meta := make([]pilorama.KeyValue, len(arr))
|
|
for i, kv := range arr {
|
|
if kv != nil {
|
|
meta[i].Key = kv.Key
|
|
meta[i].Value = kv.Value
|
|
}
|
|
}
|
|
return meta
|
|
}
|
|
|
|
func metaToProto(arr []pilorama.KeyValue) []*KeyValue {
|
|
meta := make([]*KeyValue, len(arr))
|
|
for i, kv := range arr {
|
|
meta[i] = &KeyValue{
|
|
Key: kv.Key,
|
|
Value: kv.Value,
|
|
}
|
|
}
|
|
return meta
|
|
}
|
|
|
|
// getContainerInfo returns the list of container nodes, position in the container for the node
|
|
// with pub key and total amount of nodes in all replicas.
|
|
func (s *Service) getContainerInfo(cid cidSDK.ID, pub []byte) ([]netmapSDK.NodeInfo, int, int, error) {
|
|
cntNodes, _, err := s.getContainerNodes(cid)
|
|
if err != nil {
|
|
return nil, 0, 0, err
|
|
}
|
|
|
|
for i, node := range cntNodes {
|
|
if bytes.Equal(node.PublicKey(), pub) {
|
|
return cntNodes, i, len(cntNodes), nil
|
|
}
|
|
}
|
|
return cntNodes, -1, len(cntNodes), nil
|
|
}
|