[#1324] services/tree: Implement Object Tree Service

Object Tree Service allows changing trees assotiated with
the container in runtime.

Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
This commit is contained in:
Evgenii Stratonikov 2022-04-22 16:30:20 +03:00
parent 4a65eb7e5f
commit 375c30e687
18 changed files with 900 additions and 0 deletions

View file

@ -0,0 +1,39 @@
package treeconfig
import (
"github.com/nspcc-dev/neofs-node/cmd/neofs-node/config"
)
// GRPCConfig is a wrapper over "grpc" config section which provides access
// to gRPC configuration of control service.
type GRPCConfig struct {
cfg *config.Config
}
const (
subsection = "tree"
grpcSubsection = "grpc"
// GRPCEndpointDefault is a default endpoint of gRPC Control service.
GRPCEndpointDefault = ""
)
// GRPC returns structure that provides access to "grpc" subsection of
// "tree" section.
func GRPC(c *config.Config) GRPCConfig {
return GRPCConfig{
c.Sub(subsection).Sub(grpcSubsection),
}
}
// Endpoint returns value of "endpoint" config parameter.
//
// Returns GRPCEndpointDefault if value is not a non-empty string.
func (g GRPCConfig) Endpoint() string {
v := config.String(g.cfg, "endpoint")
if v != "" {
return v
}
return GRPCEndpointDefault
}

View file

@ -0,0 +1,30 @@
package treeconfig_test
import (
"testing"
"github.com/nspcc-dev/neofs-node/cmd/neofs-node/config"
configtest "github.com/nspcc-dev/neofs-node/cmd/neofs-node/config/test"
treeconfig "github.com/nspcc-dev/neofs-node/cmd/neofs-node/config/tree"
"github.com/stretchr/testify/require"
)
func TestControlSection(t *testing.T) {
t.Run("defaults", func(t *testing.T) {
empty := configtest.EmptyConfig()
require.Equal(t, treeconfig.GRPCEndpointDefault, treeconfig.GRPC(empty).Endpoint())
})
const path = "../../../../config/example/node"
var fileConfigTest = func(c *config.Config) {
require.Equal(t, "127.0.0.1:8091", treeconfig.GRPC(c).Endpoint())
}
configtest.ForEachFileType(path, fileConfigTest)
t.Run("ENV", func(t *testing.T) {
configtest.ForEnvFileType(path, fileConfigTest)
})
}

View file

@ -86,6 +86,7 @@ func initApp(c *cfg) {
initAndLog(c, "profiler", initProfiler)
initAndLog(c, "metrics", initMetrics)
initAndLog(c, "control", initControlService)
initAndLog(c, "tree", initTreeService)
initAndLog(c, "storage engine", func(c *cfg) {
fatalOnErr(c.cfgObject.cfgLocalStorage.localStorage.Open())

41
cmd/neofs-node/tree.go Normal file
View file

@ -0,0 +1,41 @@
package main
import (
"context"
"net"
treeconfig "github.com/nspcc-dev/neofs-node/cmd/neofs-node/config/tree"
"github.com/nspcc-dev/neofs-node/pkg/services/tree"
"google.golang.org/grpc"
)
func initTreeService(c *cfg) {
endpoint := treeconfig.GRPC(c.appCfg).Endpoint()
if endpoint == treeconfig.GRPCEndpointDefault {
return
}
treeSvc := tree.New(
tree.WithContainerSource(c.cfgObject.cnrSource),
tree.WithNetmapSource(c.netMapSource),
tree.WithPrivateKey(&c.key.PrivateKey),
tree.WithLogger(c.log),
tree.WithStorage(c.cfgObject.cfgLocalStorage.localStorage))
treeServer := grpc.NewServer()
c.onShutdown(func() {
stopGRPC("NeoFS Tree Service API", treeServer, c.log)
treeSvc.Shutdown()
})
lis, err := net.Listen("tcp", endpoint)
fatalOnErr(err)
tree.RegisterTreeServiceServer(treeServer, treeSvc)
c.workers = append(c.workers, newWorkerFromFunc(func(ctx context.Context) {
treeSvc.Start(ctx)
fatalOnErr(treeServer.Serve(lis))
}))
}

View file

@ -44,6 +44,9 @@ NEOFS_GRPC_1_TLS_ENABLED=false
NEOFS_CONTROL_AUTHORIZED_KEYS="035839e45d472a3b7769a2a1bd7d54c4ccd4943c3b40f547870e83a8fcbfb3ce11 028f42cfcb74499d7b15b35d9bff260a1c8d27de4f446a627406a382d8961486d6"
NEOFS_CONTROL_GRPC_ENDPOINT=127.0.0.1:8090
# Tree service section
NEOFS_TREE_GRPC_ENDPOINT=127.0.0.1:8091
# Contracts section
NEOFS_CONTRACTS_BALANCE=5263abba1abedbf79bb57f3e40b50b4425d2d6cd
NEOFS_CONTRACTS_CONTAINER=5d084790d7aa36cea7b53fe897380dab11d2cd3c

View file

@ -82,6 +82,11 @@
"endpoint": "127.0.0.1:8090"
}
},
"tree": {
"grpc": {
"endpoint": "127.0.0.1:8091"
}
},
"contracts": {
"balance": "5263abba1abedbf79bb57f3e40b50b4425d2d6cd",
"container": "5d084790d7aa36cea7b53fe897380dab11d2cd3c",

View file

@ -67,6 +67,10 @@ control:
grpc:
endpoint: 127.0.0.1:8090 # endpoint that is listened by the Control Service
tree:
grpc:
endpoint: 127.0.0.1:8091 # endpoint that is listened by the Tree Service
contracts: # side chain NEOFS contract script hashes; optional, override values retrieved from NNS contract
balance: 5263abba1abedbf79bb57f3e40b50b4425d2d6cd
container: 5d084790d7aa36cea7b53fe897380dab11d2cd3c

8
go.mod
View file

@ -38,7 +38,10 @@ require (
gopkg.in/yaml.v3 v3.0.1
)
require google.golang.org/api v0.44.0
require (
cloud.google.com/go v0.81.0 // indirect
github.com/antlr/antlr4/runtime/Go/antlr v0.0.0-20210521073959-f0d4d129b7f1 // indirect
github.com/beorn7/perks v1.0.1 // indirect
github.com/btcsuite/btcd v0.22.0-beta // indirect
@ -47,8 +50,10 @@ require (
github.com/cpuguy83/go-md2man/v2 v2.0.0 // indirect
github.com/davecgh/go-spew v1.1.1 // indirect
github.com/fsnotify/fsnotify v1.4.9 // indirect
github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e // indirect
github.com/golang/protobuf v1.5.2 // indirect
github.com/golang/snappy v0.0.3 // indirect
github.com/google/go-cmp v0.5.6 // indirect
github.com/google/go-querystring v1.1.0 // indirect
github.com/gorilla/websocket v1.4.2 // indirect
github.com/hashicorp/hcl v1.0.0 // indirect
@ -87,12 +92,15 @@ require (
github.com/syndtr/goleveldb v1.0.1-0.20210305035536-64b5b1c73954 // indirect
github.com/twmb/murmur3 v1.1.5 // indirect
github.com/urfave/cli v1.22.5 // indirect
go.opencensus.io v0.23.0 // indirect
go.uber.org/multierr v1.6.0 // indirect
golang.org/x/crypto v0.0.0-20220112180741-5e0467b6c7ce // indirect
golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2 // indirect
golang.org/x/oauth2 v0.0.0-20210402161424-2e8d93401602 // indirect
golang.org/x/sync v0.0.0-20210220032951-036812b2e83c // indirect
golang.org/x/sys v0.0.0-20220114195835-da31bd327af9 // indirect
golang.org/x/text v0.3.7 // indirect
google.golang.org/appengine v1.6.7 // indirect
google.golang.org/genproto v0.0.0-20210602131652-f16073e35f0c // indirect
gopkg.in/ini.v1 v1.62.0 // indirect
gopkg.in/yaml.v2 v2.4.0 // indirect

6
go.sum
View file

@ -17,6 +17,7 @@ cloud.google.com/go v0.72.0/go.mod h1:M+5Vjvlc2wnp6tjzE102Dw08nGShTscUx2nZMufOKP
cloud.google.com/go v0.74.0/go.mod h1:VV1xSbzvo+9QJOxLDaJfTjx5e+MePCpCWwvftOeQmWk=
cloud.google.com/go v0.78.0/go.mod h1:QjdrLG0uq+YwhjoVOLsS1t7TW8fs36kLs4XO5R5ECHg=
cloud.google.com/go v0.79.0/go.mod h1:3bzgcEeQlzbuEAYu4mrWhKqWjmpprinYgKJLgKHnbb8=
cloud.google.com/go v0.81.0 h1:at8Tk2zUz63cLPR0JPWm5vp77pEZmzxEQBEfRKn1VV8=
cloud.google.com/go v0.81.0/go.mod h1:mk/AM35KwGk/Nm2YSeZbxXdrNK3KZOYHmLkOqC2V6E0=
cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE=
@ -161,6 +162,7 @@ github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfU
github.com/golang/groupcache v0.0.0-20190129154638-5b532d6fd5ef/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
github.com/golang/groupcache v0.0.0-20190702054246-869f871628b6/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
github.com/golang/groupcache v0.0.0-20191227052852-215e87163ea7/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e h1:1r7pUrabqp18hOBcwBwiTsbnFeTZHV9eER/QT5JVZxY=
github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
github.com/golang/mock v1.2.0/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
@ -560,6 +562,7 @@ go.opencensus.io v0.22.2/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
go.opencensus.io v0.22.3/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
go.opencensus.io v0.22.4/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
go.opencensus.io v0.22.5/go.mod h1:5pWMHQbX5EPX2/62yrJeAkowc+lfs/XD7Uxpq3pI6kk=
go.opencensus.io v0.23.0 h1:gqCw0LfLxScz8irSi8exQc7fyQ0fKQU/qnC/X8+V/1M=
go.opencensus.io v0.23.0/go.mod h1:XItmlyltB5F7CS4xOC1DcqMoFqwtC6OG2xF7mCv7P7E=
go.opentelemetry.io/proto/otlp v0.7.0/go.mod h1:PqfVotwruBrMGOCsRd/89rSnXhoiJIqeYNgFYFoEGnI=
go.uber.org/atomic v1.4.0/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
@ -688,6 +691,7 @@ golang.org/x/oauth2 v0.0.0-20201208152858-08078c50e5b5/go.mod h1:KelEdhl1UZF7XfJ
golang.org/x/oauth2 v0.0.0-20210218202405-ba52d332ba99/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
golang.org/x/oauth2 v0.0.0-20210220000619-9bb904979d93/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
golang.org/x/oauth2 v0.0.0-20210313182246-cd4f82c27b84/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
golang.org/x/oauth2 v0.0.0-20210402161424-2e8d93401602 h1:0Ja1LBD+yisY6RWM/BH7TJVXWsSjs2VwBSmvSX4HdBc=
golang.org/x/oauth2 v0.0.0-20210402161424-2e8d93401602/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
@ -872,6 +876,7 @@ google.golang.org/api v0.36.0/go.mod h1:+z5ficQTmoYpPn8LCUNVpK5I7hwkpjbcgqA7I34q
google.golang.org/api v0.40.0/go.mod h1:fYKFpnQN0DsDSKRVRcQSDQNtqWPfM9i+zNPxepjRCQ8=
google.golang.org/api v0.41.0/go.mod h1:RkxM5lITDfTzmyKFPt+wGrCJbVfniCr2ool8kTBzRTU=
google.golang.org/api v0.43.0/go.mod h1:nQsDGjRXMo4lvh5hP0TKqF244gqhGcr/YSIykhUk/94=
google.golang.org/api v0.44.0 h1:URs6qR1lAxDsqWITsQXI4ZkGiYJ5dHtRNiCpfs2OeKA=
google.golang.org/api v0.44.0/go.mod h1:EBOGZqzyhtvMDoxwS97ctnh0zUmYY6CxqXsc1AvkYD8=
google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
@ -879,6 +884,7 @@ google.golang.org/appengine v1.5.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7
google.golang.org/appengine v1.6.1/go.mod h1:i06prIuMbXzDqacNJfV5OdTW448YApPu5ww/cMBSeb0=
google.golang.org/appengine v1.6.5/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
google.golang.org/appengine v1.6.6/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
google.golang.org/appengine v1.6.7 h1:FZR1q0exgwxzPzp/aF+VccGrSfxfPpkBqjIIEq3ru6c=
google.golang.org/appengine v1.6.7/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
google.golang.org/genproto v0.0.0-20190307195333-5fe7a883aa19/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=

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@ -0,0 +1,59 @@
package tree
import (
"crypto/ecdsa"
"github.com/nspcc-dev/neofs-node/pkg/core/container"
"github.com/nspcc-dev/neofs-node/pkg/core/netmap"
"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/pilorama"
"go.uber.org/zap"
)
type cfg struct {
log *zap.Logger
key *ecdsa.PrivateKey
nmSource netmap.Source
cnrSource container.Source
forest pilorama.Forest
}
// Option represents configuration option for a tree service.
type Option func(*cfg)
// WithContainerSource sets a container source for a tree service.
// This option is required.
func WithContainerSource(src container.Source) Option {
return func(c *cfg) {
c.cnrSource = src
}
}
// WithNetmapSource sets a netmap source for a tree service.
// This option is required.
func WithNetmapSource(src netmap.Source) Option {
return func(c *cfg) {
c.nmSource = src
}
}
// WithPrivateKey sets a netmap source for a tree service.
// This option is required.
func WithPrivateKey(key *ecdsa.PrivateKey) Option {
return func(c *cfg) {
c.key = key
}
}
// WithLogger sets logger for a tree service.
func WithLogger(log *zap.Logger) Option {
return func(c *cfg) {
c.log = log
}
}
// WithStorage sets tree storage for a service.
func WithStorage(s pilorama.Forest) Option {
return func(c *cfg) {
c.forest = s
}
}

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@ -0,0 +1,145 @@
package tree
import (
"context"
"crypto/sha256"
"encoding/base64"
"fmt"
"time"
clientcore "github.com/nspcc-dev/neofs-node/pkg/core/client"
"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/pilorama"
"github.com/nspcc-dev/neofs-node/pkg/network"
"github.com/nspcc-dev/neofs-node/pkg/services/object_manager/placement"
cidSDK "github.com/nspcc-dev/neofs-sdk-go/container/id"
netmapSDK "github.com/nspcc-dev/neofs-sdk-go/netmap"
"go.uber.org/zap"
"google.golang.org/api/option"
"google.golang.org/api/transport/grpc"
)
type movePair struct {
cid cidSDK.ID
treeID string
op *pilorama.LogMove
}
const (
defaultReplicatorCapacity = 64
defaultReplicatorTimeout = time.Second * 2
)
func (s *Service) replicateLoop(ctx context.Context) {
for {
select {
case <-s.closeCh:
case <-ctx.Done():
return
case op := <-s.replicateCh:
ctx, cancel := context.WithTimeout(ctx, defaultReplicatorTimeout)
err := s.replicate(ctx, op)
cancel()
if err != nil {
s.log.Error("error during replication",
zap.String("err", err.Error()),
zap.Stringer("cid", op.cid),
zap.String("treeID", op.treeID))
}
}
}
}
func (s *Service) replicate(ctx context.Context, op movePair) error {
req := newApplyRequest(&op)
// TODO(@fyrchik): #1328 access control
//err := signature.SignDataWithHandler(s.key, req, func(key, sign []byte) {
// req.Signature = &Signature{
// Key: key,
// Sign: sign,
// }
//})
//if err != nil {
// return fmt.Errorf("can't sign data: %w", err)
//}
nodes, err := s.getContainerNodes(op.cid)
if err != nil {
return fmt.Errorf("can't get container nodes: %w", err)
}
var node clientcore.NodeInfo
for _, n := range nodes {
var lastErr error
n.IterateNetworkEndpoints(func(addr string) bool {
cc, err := grpc.Dial(ctx, option.WithEndpoint(addr))
if err != nil {
lastErr = err
return false
}
// TODO cache clients
c := NewTreeServiceClient(cc)
_, lastErr = c.Apply(ctx, req)
return lastErr == nil
})
if lastErr != nil {
s.log.Warn("failed to sent update to the node",
zap.String("last_error", lastErr.Error()),
zap.String("address", network.StringifyGroup(node.AddressGroup())),
zap.String("key", base64.StdEncoding.EncodeToString(node.PublicKey())))
}
}
return nil
}
func (s *Service) pushToQueue(cid cidSDK.ID, treeID string, op *pilorama.LogMove) {
s.replicateCh <- movePair{
cid: cid,
treeID: treeID,
op: op,
}
}
func (s *Service) getContainerNodes(cid cidSDK.ID) ([]netmapSDK.NodeInfo, error) {
nm, err := s.nmSource.GetNetMap(0)
if err != nil {
return nil, fmt.Errorf("can't get netmap: %w", err)
}
cnr, err := s.cnrSource.Get(cid)
if err != nil {
return nil, fmt.Errorf("can't get container: %w", err)
}
policy := cnr.Value.PlacementPolicy()
rawCID := make([]byte, sha256.Size)
cid.Encode(rawCID)
nodes, err := nm.ContainerNodes(policy, rawCID)
if err != nil {
return nil, err
}
return placement.FlattenNodes(nodes), nil
}
func newApplyRequest(op *movePair) *ApplyRequest {
rawCID := make([]byte, sha256.Size)
op.cid.Encode(rawCID)
return &ApplyRequest{
Body: &ApplyRequest_Body{
ContainerId: rawCID,
TreeId: op.treeID,
Operation: &LogMove{
ParentId: op.op.Parent,
Meta: op.op.Meta.Bytes(),
ChildId: op.op.Child,
},
},
}
}

View file

@ -0,0 +1,294 @@
package tree
import (
"bytes"
"context"
"errors"
"fmt"
"github.com/nspcc-dev/neofs-api-go/v2/signature"
"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/pilorama"
cidSDK "github.com/nspcc-dev/neofs-sdk-go/container/id"
"go.uber.org/zap"
)
// Service represents tree-service capable of working with multiple
// instances of CRDT trees.
type Service struct {
cfg
replicateCh chan movePair
closeCh chan struct{}
}
var _ TreeServiceServer = (*Service)(nil)
// New creates new tree service instance.
func New(opts ...Option) *Service {
var s Service
for i := range opts {
opts[i](&s.cfg)
}
if s.log == nil {
s.log = zap.NewNop()
}
s.closeCh = make(chan struct{})
s.replicateCh = make(chan movePair, defaultReplicatorCapacity)
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(_ 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, req.GetSignature().GetKey())
if err != nil {
return nil, err
}
log, err := s.forest.TreeMove(cid, b.GetTreeId(), &pilorama.Move{
Parent: b.GetParentId(),
Child: pilorama.RootID,
Meta: pilorama.Meta{Items: constructMeta(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(_ 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, req.GetSignature().GetKey())
if err != nil {
return nil, err
}
meta := constructMeta(b.GetMeta())
attr := b.GetPathAttribute()
if len(attr) == 0 {
attr = pilorama.AttributeFilename
}
logs, err := s.forest.TreeAddByPath(cid, 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(_ 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, req.GetSignature().GetKey())
if err != nil {
return nil, err
}
if b.GetNodeId() == pilorama.RootID {
return nil, fmt.Errorf("node with ID %d is root and can't be removed", b.GetNodeId())
}
log, err := s.forest.TreeMove(cid, 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(_ 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, req.GetSignature().GetKey())
if err != nil {
return nil, err
}
if b.GetNodeId() == pilorama.RootID {
return nil, fmt.Errorf("node with ID %d is root and can't be moved", b.GetNodeId())
}
log, err := s.forest.TreeMove(cid, b.GetTreeId(), &pilorama.Move{
Parent: b.GetParentId(),
Child: b.GetNodeId(),
Meta: pilorama.Meta{Items: constructMeta(b.GetMeta())},
})
if err != nil {
return nil, err
}
s.pushToQueue(cid, b.GetTreeId(), log)
return new(MoveResponse), nil
}
func (s *Service) GetNodeByPath(_ context.Context, req *GetNodeByPathRequest) (*GetNodeByPathResponse, error) {
b := req.GetBody()
var cid cidSDK.ID
if err := cid.Decode(b.GetContainerId()); err != nil {
return nil, err
}
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
for _, kv := range m.Items {
needAttr := b.AllAttributes
if !needAttr {
for _, attr := range b.GetAttributes() {
if kv.Key == attr {
needAttr = true
break
}
}
}
if needAttr {
x.Meta = append(x.Meta, &KeyValue{
Key: kv.Key,
Value: kv.Value,
})
}
}
info = append(info, &x)
}
return &GetNodeByPathResponse{
Body: &GetNodeByPathResponse_Body{
Nodes: info,
},
}, nil
}
func (s *Service) GetSubTree(_ context.Context, req *GetSubTreeRequest) (*GetSubTreeResponse, error) {
return nil, errors.New("GetSubTree is unimplemented")
}
// Apply locally applies operation from the remote node to the tree.
func (s *Service) Apply(_ context.Context, req *ApplyRequest) (*ApplyResponse, error) {
err := signature.VerifyServiceMessage(req)
if err != nil {
return nil, err
}
var cid cidSDK.ID
if err := cid.Decode(req.GetBody().GetContainerId()); err != nil {
return nil, err
}
found := false
key := req.GetSignature().GetKey()
nodes, _ := s.getContainerNodes(cid)
loop:
for _, n := range nodes {
if bytes.Equal(key, n.PublicKey()) {
found = true
break loop
}
}
if !found {
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)
}
return nil, s.forest.TreeApply(cid, req.GetBody().GetTreeId(), &pilorama.Move{
Parent: op.GetParentId(),
Child: op.GetChildId(),
Meta: meta,
})
}
func constructMeta(arr []*KeyValue) []pilorama.KeyValue {
meta := make([]pilorama.KeyValue, len(arr))
for i, kv := range arr {
meta[i].Key = kv.Key
meta[i].Value = kv.Value
}
return meta
}

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syntax = "proto3";
package tree;
import "pkg/services/tree/types.proto";
option go_package = "github.com/nspcc-dev/neofs-node/pkg/services/tree";
// `TreeService` provides an interface for working with distributed tree.
service TreeService {
/* Client API */
// Add adds new node to the tree. Invoked by a client.
rpc Add (AddRequest) returns (AddResponse);
// AddByPath adds new node to the tree by path. Invoked by a client.
rpc AddByPath (AddByPathRequest) returns (AddByPathResponse);
// Remove removes node from the tree. Invoked by a client.
rpc Remove (RemoveRequest) returns (RemoveResponse);
// Move moves node from one parent to another. Invoked by a client.
rpc Move (MoveRequest) returns (MoveResponse);
// GetNodeByPath returns list of IDs corresponding to a specific filepath.
rpc GetNodeByPath (GetNodeByPathRequest) returns (GetNodeByPathResponse);
// GetSubTree returns tree corresponding to a specific node.
rpc GetSubTree (GetSubTreeRequest) returns (GetSubTreeResponse);
/* Synchronization API */
// Apply pushes log operation from another node to the current.
// The request must be signed by a container node.
rpc Apply (ApplyRequest) returns (ApplyResponse);
}
message AddRequest {
message Body {
bytes container_id = 1;
string tree_id = 2;
uint64 parent_id = 3;
repeated KeyValue meta = 4;
}
Body body = 1;
Signature signature = 2;
}
message AddResponse {
message Body {
uint64 node_id = 1;
}
Body body = 1;
Signature signature = 2;
};
message AddByPathRequest {
message Body {
bytes container_id = 1;
string tree_id = 2;
string path_attribute = 3;
repeated string path = 4;
repeated KeyValue meta = 5;
}
Body body = 1;
Signature signature = 2;
}
message AddByPathResponse {
message Body {
repeated uint64 nodes = 1;
uint64 parent_id = 2;
}
Body body = 1;
Signature signature = 2;
};
message RemoveRequest {
message Body {
bytes container_id = 1;
string tree_id = 2;
uint64 node_id = 3;
}
Body body = 1;
Signature signature = 2;
}
message RemoveResponse {
message Body {
}
Body body = 1;
Signature signature = 2;
};
message MoveRequest {
message Body {
// TODO import neo.fs.v2.refs.ContainerID directly.
bytes container_id = 1;
string tree_id = 2;
uint64 parent_id = 3;
uint64 node_id = 4;
repeated KeyValue meta = 5;
}
Body body = 1;
Signature signature = 2;
}
message MoveResponse {
message Body {
}
Body body = 1;
Signature signature = 2;
};
message GetNodeByPathRequest {
message Body {
bytes container_id = 1;
string tree_id = 2;
string path_attribute = 3;
repeated string path = 4;
repeated string attributes = 5;
bool latest_only = 6;
bool all_attributes = 7;
}
Body body = 1;
Signature signature = 2;
}
message GetNodeByPathResponse {
message Info {
uint64 node_id = 1;
uint64 timestamp = 2;
repeated KeyValue meta = 3;
}
message Body {
repeated Info nodes = 1;
}
Body body = 1;
Signature signature = 2;
};
message GetSubTreeRequest {
message Body {
bytes container_id = 1;
string tree_id = 2;
repeated uint64 nodes = 3;
}
Body body = 1;
Signature signature = 2;
}
message GetSubTreeResponse {
message Info {
uint64 node_id = 1;
repeated KeyValue meta = 2;
}
message Body {
repeated Info info = 1;
}
Body body = 1;
Signature signature = 2;
};
message ApplyRequest {
message Body {
bytes container_id = 1;
string tree_id = 2;
LogMove operation = 3;
}
Body body = 1;
Signature signature = 2;
}
message ApplyResponse {
message Body {
}
Body body = 1;
Signature signature = 2;
};

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package tree
import (
"crypto/ecdsa"
"crypto/elliptic"
"errors"
"fmt"
"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
"github.com/nspcc-dev/neofs-api-go/v2/signature"
cidSDK "github.com/nspcc-dev/neofs-sdk-go/container/id"
"github.com/nspcc-dev/neofs-sdk-go/user"
)
func (s *Service) verifyClient(req interface{}, cid cidSDK.ID, rawKey []byte) error {
// TODO(@fyrchik): #1328 access control
return nil
//nolint:govet
err := signature.VerifyServiceMessage(req)
if err != nil {
return err
}
cnr, err := s.cnrSource.Get(cid)
if err != nil {
return fmt.Errorf("can't get container %s: %w", cid, err)
}
ownerID := cnr.Value.Owner()
pub, err := keys.NewPublicKeyFromBytes(rawKey, elliptic.P256())
if err != nil {
return fmt.Errorf("invalid public key: %w", err)
}
var actualID user.ID
user.IDFromKey(&actualID, (ecdsa.PublicKey)(*pub))
if !actualID.Equals(ownerID) {
return errors.New("`Move` request must be signed by a container owner")
}
return nil
}

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syntax = "proto3";
package tree;
option go_package = "github.com/nspcc-dev/neofs-node/pkg/services/tree";
// KeyValue represents key-value pair attached to an object.
message KeyValue {
string key = 1 [json_name = "key"];
bytes value = 2 [json_name = "value"];
}
// LogMove represents log-entry for a single move operation.
message LogMove {
// ID of the parent node.
uint64 parent_id = 2 [json_name = "parentID"];
// Node meta information, including operation timestamp.
bytes meta = 3 [json_name = "meta"];
// ID of the node to move.
uint64 child_id = 4 [json_name = "childID"];
}
// Signature of a message.
message Signature {
bytes key = 1 [json_name = "key"];
bytes sign = 2 [json_name = "signature"];
}