frostfs-node/cmd/frostfs-adm/internal/modules/morph/container.go
Anton Nikiforov 77694a2f3b [#932] adm: Move InitializeContext to util package
Signed-off-by: Anton Nikiforov <an.nikiforov@yadro.com>
2024-02-13 09:59:27 +03:00

451 lines
11 KiB
Go

package morph
import (
"encoding/json"
"errors"
"fmt"
"os"
"sort"
morphUtil "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-adm/internal/modules/morph/util"
cid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id"
"github.com/nspcc-dev/neo-go/pkg/crypto/hash"
"github.com/nspcc-dev/neo-go/pkg/io"
"github.com/nspcc-dev/neo-go/pkg/rpcclient/invoker"
"github.com/nspcc-dev/neo-go/pkg/rpcclient/management"
"github.com/nspcc-dev/neo-go/pkg/rpcclient/unwrap"
"github.com/nspcc-dev/neo-go/pkg/smartcontract/callflag"
"github.com/nspcc-dev/neo-go/pkg/util"
"github.com/nspcc-dev/neo-go/pkg/vm/emit"
"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
"github.com/spf13/cobra"
"github.com/spf13/viper"
)
var errInvalidContainerResponse = errors.New("invalid response from container contract")
func getContainerContractHash(cmd *cobra.Command, inv *invoker.Invoker) (util.Uint160, error) {
s, err := cmd.Flags().GetString(containerContractFlag)
var ch util.Uint160
if err == nil {
ch, err = util.Uint160DecodeStringLE(s)
}
if err != nil {
r := management.NewReader(inv)
nnsCs, err := r.GetContractByID(1)
if err != nil {
return util.Uint160{}, fmt.Errorf("can't get NNS contract state: %w", err)
}
ch, err = morphUtil.NNSResolveHash(inv, nnsCs.Hash, morphUtil.DomainOf(morphUtil.ContainerContract))
if err != nil {
return util.Uint160{}, err
}
}
return ch, nil
}
func iterateContainerList(inv *invoker.Invoker, ch util.Uint160, f func([]byte) error) error {
sid, r, err := unwrap.SessionIterator(inv.Call(ch, "containersOf", ""))
if err != nil {
return fmt.Errorf("%w: %v", errInvalidContainerResponse, err)
}
// Nothing bad, except live session on the server, do not report to the user.
defer func() { _ = inv.TerminateSession(sid) }()
items, err := inv.TraverseIterator(sid, &r, 0)
for err == nil && len(items) != 0 {
for j := range items {
b, err := items[j].TryBytes()
if err != nil {
return fmt.Errorf("%w: %v", errInvalidContainerResponse, err)
}
if err := f(b); err != nil {
return err
}
}
items, err = inv.TraverseIterator(sid, &r, 0)
}
return err
}
func dumpContainers(cmd *cobra.Command, _ []string) error {
filename, err := cmd.Flags().GetString(containerDumpFlag)
if err != nil {
return fmt.Errorf("invalid filename: %w", err)
}
c, err := morphUtil.GetN3Client(viper.GetViper())
if err != nil {
return fmt.Errorf("can't create N3 client: %w", err)
}
inv := invoker.New(c, nil)
ch, err := getContainerContractHash(cmd, inv)
if err != nil {
return fmt.Errorf("unable to get contaract hash: %w", err)
}
isOK, err := getCIDFilterFunc(cmd)
if err != nil {
return err
}
f, err := os.OpenFile(filename, os.O_RDWR|os.O_TRUNC|os.O_CREATE, 0o660)
if err != nil {
return err
}
defer f.Close()
_, err = f.Write([]byte{'['})
if err != nil {
return err
}
written := 0
enc := json.NewEncoder(f)
bw := io.NewBufBinWriter()
iterErr := iterateContainerList(inv, ch, func(id []byte) error {
if !isOK(id) {
return nil
}
cnt, err := dumpSingleContainer(bw, ch, inv, id)
if err != nil {
return err
}
// Writing directly to the file is ok, because json.Encoder does no internal buffering.
if written != 0 {
_, err = f.Write([]byte{','})
if err != nil {
return err
}
}
written++
return enc.Encode(cnt)
})
if iterErr != nil {
return iterErr
}
_, err = f.Write([]byte{']'})
return err
}
func dumpSingleContainer(bw *io.BufBinWriter, ch util.Uint160, inv *invoker.Invoker, id []byte) (*Container, error) {
bw.Reset()
emit.AppCall(bw.BinWriter, ch, "get", callflag.All, id)
emit.AppCall(bw.BinWriter, ch, "eACL", callflag.All, id)
res, err := inv.Run(bw.Bytes())
if err != nil {
return nil, fmt.Errorf("can't get container info: %w", err)
}
if len(res.Stack) != 2 {
return nil, fmt.Errorf("%w: expected 2 items on stack", errInvalidContainerResponse)
}
cnt := new(Container)
err = cnt.FromStackItem(res.Stack[0])
if err != nil {
return nil, fmt.Errorf("%w: %v", errInvalidContainerResponse, err)
}
ea := new(EACL)
err = ea.FromStackItem(res.Stack[1])
if err != nil {
return nil, fmt.Errorf("%w: %v", errInvalidContainerResponse, err)
}
if len(ea.Value) != 0 {
cnt.EACL = ea
}
return cnt, nil
}
func listContainers(cmd *cobra.Command, _ []string) error {
c, err := morphUtil.GetN3Client(viper.GetViper())
if err != nil {
return fmt.Errorf("can't create N3 client: %w", err)
}
inv := invoker.New(c, nil)
ch, err := getContainerContractHash(cmd, inv)
if err != nil {
return fmt.Errorf("unable to get contaract hash: %w", err)
}
return iterateContainerList(inv, ch, func(id []byte) error {
var idCnr cid.ID
err = idCnr.Decode(id)
if err != nil {
return fmt.Errorf("unable to decode container id: %w", err)
}
cmd.Println(idCnr)
return nil
})
}
func restoreContainers(cmd *cobra.Command, _ []string) error {
filename, err := cmd.Flags().GetString(containerDumpFlag)
if err != nil {
return fmt.Errorf("invalid filename: %w", err)
}
wCtx, err := morphUtil.NewInitializeContext(cmd, viper.GetViper())
if err != nil {
return err
}
defer wCtx.Close()
containers, err := parseContainers(filename)
if err != nil {
return err
}
ch, err := fetchContainerContractHash(wCtx)
if err != nil {
return err
}
isOK, err := getCIDFilterFunc(cmd)
if err != nil {
return err
}
err = restoreOrPutContainers(containers, isOK, cmd, wCtx, ch)
if err != nil {
return err
}
return wCtx.AwaitTx()
}
func restoreOrPutContainers(containers []Container, isOK func([]byte) bool, cmd *cobra.Command, wCtx *morphUtil.InitializeContext, ch util.Uint160) error {
bw := io.NewBufBinWriter()
for _, cnt := range containers {
hv := hash.Sha256(cnt.Value)
if !isOK(hv[:]) {
continue
}
bw.Reset()
restored, err := isContainerRestored(cmd, wCtx, ch, bw, hv)
if err != nil {
return err
}
if restored {
continue
}
bw.Reset()
putContainer(bw, ch, cnt)
if bw.Err != nil {
panic(bw.Err)
}
if err := wCtx.SendConsensusTx(bw.Bytes()); err != nil {
return err
}
}
return nil
}
func putContainer(bw *io.BufBinWriter, ch util.Uint160, cnt Container) {
emit.AppCall(bw.BinWriter, ch, "put", callflag.All,
cnt.Value, cnt.Signature, cnt.PublicKey, cnt.Token)
if ea := cnt.EACL; ea != nil {
emit.AppCall(bw.BinWriter, ch, "setEACL", callflag.All,
ea.Value, ea.Signature, ea.PublicKey, ea.Token)
}
}
func isContainerRestored(cmd *cobra.Command, wCtx *morphUtil.InitializeContext, containerHash util.Uint160, bw *io.BufBinWriter, hashValue util.Uint256) (bool, error) {
emit.AppCall(bw.BinWriter, containerHash, "get", callflag.All, hashValue.BytesBE())
res, err := wCtx.Client.InvokeScript(bw.Bytes(), nil)
if err != nil {
return false, fmt.Errorf("can't check if container is already restored: %w", err)
}
if len(res.Stack) == 0 {
return false, errors.New("empty stack")
}
old := new(Container)
if err := old.FromStackItem(res.Stack[0]); err != nil {
return false, fmt.Errorf("%w: %v", errInvalidContainerResponse, err)
}
if len(old.Value) != 0 {
var id cid.ID
id.SetSHA256(hashValue)
cmd.Printf("Container %s is already deployed.\n", id)
return true, nil
}
return false, nil
}
func parseContainers(filename string) ([]Container, error) {
data, err := os.ReadFile(filename)
if err != nil {
return nil, fmt.Errorf("can't read dump file: %w", err)
}
var containers []Container
err = json.Unmarshal(data, &containers)
if err != nil {
return nil, fmt.Errorf("can't parse dump file: %w", err)
}
return containers, nil
}
func fetchContainerContractHash(wCtx *morphUtil.InitializeContext) (util.Uint160, error) {
r := management.NewReader(wCtx.ReadOnlyInvoker)
nnsCs, err := r.GetContractByID(1)
if err != nil {
return util.Uint160{}, fmt.Errorf("can't get NNS contract state: %w", err)
}
ch, err := morphUtil.NNSResolveHash(wCtx.ReadOnlyInvoker, nnsCs.Hash, morphUtil.DomainOf(morphUtil.ContainerContract))
if err != nil {
return util.Uint160{}, fmt.Errorf("can't fetch container contract hash: %w", err)
}
return ch, nil
}
// Container represents container struct in contract storage.
type Container struct {
Value []byte `json:"value"`
Signature []byte `json:"signature"`
PublicKey []byte `json:"public_key"`
Token []byte `json:"token"`
EACL *EACL `json:"eacl"`
}
// EACL represents extended ACL struct in contract storage.
type EACL struct {
Value []byte `json:"value"`
Signature []byte `json:"signature"`
PublicKey []byte `json:"public_key"`
Token []byte `json:"token"`
}
// ToStackItem implements stackitem.Convertible.
func (c *Container) ToStackItem() (stackitem.Item, error) {
return stackitem.NewStruct([]stackitem.Item{
stackitem.NewByteArray(c.Value),
stackitem.NewByteArray(c.Signature),
stackitem.NewByteArray(c.PublicKey),
stackitem.NewByteArray(c.Token),
}), nil
}
// FromStackItem implements stackitem.Convertible.
func (c *Container) FromStackItem(item stackitem.Item) error {
arr, ok := item.Value().([]stackitem.Item)
if !ok || len(arr) != 4 {
return errors.New("invalid stack item type")
}
value, err := arr[0].TryBytes()
if err != nil {
return errors.New("invalid container value")
}
sig, err := arr[1].TryBytes()
if err != nil {
return errors.New("invalid container signature")
}
pub, err := arr[2].TryBytes()
if err != nil {
return errors.New("invalid container public key")
}
tok, err := arr[3].TryBytes()
if err != nil {
return errors.New("invalid container token")
}
c.Value = value
c.Signature = sig
c.PublicKey = pub
c.Token = tok
return nil
}
// ToStackItem implements stackitem.Convertible.
func (c *EACL) ToStackItem() (stackitem.Item, error) {
return stackitem.NewStruct([]stackitem.Item{
stackitem.NewByteArray(c.Value),
stackitem.NewByteArray(c.Signature),
stackitem.NewByteArray(c.PublicKey),
stackitem.NewByteArray(c.Token),
}), nil
}
// FromStackItem implements stackitem.Convertible.
func (c *EACL) FromStackItem(item stackitem.Item) error {
arr, ok := item.Value().([]stackitem.Item)
if !ok || len(arr) != 4 {
return errors.New("invalid stack item type")
}
value, err := arr[0].TryBytes()
if err != nil {
return errors.New("invalid eACL value")
}
sig, err := arr[1].TryBytes()
if err != nil {
return errors.New("invalid eACL signature")
}
pub, err := arr[2].TryBytes()
if err != nil {
return errors.New("invalid eACL public key")
}
tok, err := arr[3].TryBytes()
if err != nil {
return errors.New("invalid eACL token")
}
c.Value = value
c.Signature = sig
c.PublicKey = pub
c.Token = tok
return nil
}
// getCIDFilterFunc returns filtering function for container IDs.
// Raw byte slices are used because it works with structures returned
// from contract.
func getCIDFilterFunc(cmd *cobra.Command) (func([]byte) bool, error) {
rawIDs, err := cmd.Flags().GetStringSlice(containerIDsFlag)
if err != nil {
return nil, err
}
if len(rawIDs) == 0 {
return func([]byte) bool { return true }, nil
}
for i := range rawIDs {
err := new(cid.ID).DecodeString(rawIDs[i])
if err != nil {
return nil, fmt.Errorf("can't parse CID %s: %w", rawIDs[i], err)
}
}
sort.Strings(rawIDs)
return func(rawID []byte) bool {
var v [32]byte
copy(v[:], rawID)
var id cid.ID
id.SetSHA256(v)
idStr := id.EncodeToString()
n := sort.Search(len(rawIDs), func(i int) bool { return rawIDs[i] >= idStr })
return n < len(rawIDs) && rawIDs[n] == idStr
}, nil
}