minio/cmd/storage-rest-client.go
Harshavardhana 80ff907d08
add DeleteBulk support, add sufficient deadlines per rename() (#20185)
deadlines per moveToTrash() allows for a more granular timeout
approach for syscalls, instead of an aggregate timeout.

This PR also enhances multipart state cleanup to be optimal by
removing 100's of multipart network rename() calls into single
network call.
2024-07-29 18:56:40 -07:00

953 lines
29 KiB
Go

// Copyright (c) 2015-2021 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package cmd
import (
"bytes"
"context"
"encoding/gob"
"encoding/hex"
"errors"
"fmt"
"io"
"net/http"
"net/url"
"path"
"strconv"
"strings"
"sync"
"sync/atomic"
"time"
"github.com/minio/madmin-go/v3"
"github.com/minio/minio/internal/cachevalue"
"github.com/minio/minio/internal/grid"
xhttp "github.com/minio/minio/internal/http"
"github.com/minio/minio/internal/ioutil"
xioutil "github.com/minio/minio/internal/ioutil"
"github.com/minio/minio/internal/rest"
xnet "github.com/minio/pkg/v3/net"
xbufio "github.com/philhofer/fwd"
"github.com/tinylib/msgp/msgp"
)
func isNetworkError(err error) bool {
if err == nil {
return false
}
if nerr, ok := err.(*rest.NetworkError); ok {
if down := xnet.IsNetworkOrHostDown(nerr.Err, false); down {
return true
}
if errors.Is(nerr.Err, rest.ErrClientClosed) {
return true
}
}
if errors.Is(err, grid.ErrDisconnected) {
return true
}
// More corner cases suitable for storage REST API
switch {
// A peer node can be in shut down phase and proactively
// return 503 server closed error, consider it as an offline node
case strings.Contains(err.Error(), http.ErrServerClosed.Error()):
return true
// Corner case, the server closed the connection with a keep-alive timeout
// some requests are not retried internally, such as POST request with written body
case strings.Contains(err.Error(), "server closed idle connection"):
return true
}
return false
}
// Converts network error to storageErr. This function is
// written so that the storageAPI errors are consistent
// across network disks.
func toStorageErr(err error) error {
if err == nil {
return nil
}
if isNetworkError(err) {
return errDiskNotFound
}
switch err.Error() {
case errFaultyDisk.Error():
return errFaultyDisk
case errFaultyRemoteDisk.Error():
return errFaultyRemoteDisk
case errFileCorrupt.Error():
return errFileCorrupt
case errUnexpected.Error():
return errUnexpected
case errDiskFull.Error():
return errDiskFull
case errVolumeNotFound.Error():
return errVolumeNotFound
case errVolumeExists.Error():
return errVolumeExists
case errFileNotFound.Error():
return errFileNotFound
case errFileVersionNotFound.Error():
return errFileVersionNotFound
case errFileNameTooLong.Error():
return errFileNameTooLong
case errFileAccessDenied.Error():
return errFileAccessDenied
case errPathNotFound.Error():
return errPathNotFound
case errIsNotRegular.Error():
return errIsNotRegular
case errVolumeNotEmpty.Error():
return errVolumeNotEmpty
case errVolumeAccessDenied.Error():
return errVolumeAccessDenied
case errCorruptedFormat.Error():
return errCorruptedFormat
case errCorruptedBackend.Error():
return errCorruptedBackend
case errUnformattedDisk.Error():
return errUnformattedDisk
case errInvalidAccessKeyID.Error():
return errInvalidAccessKeyID
case errAuthentication.Error():
return errAuthentication
case errRPCAPIVersionUnsupported.Error():
return errRPCAPIVersionUnsupported
case errServerTimeMismatch.Error():
return errServerTimeMismatch
case io.EOF.Error():
return io.EOF
case io.ErrUnexpectedEOF.Error():
return io.ErrUnexpectedEOF
case errDiskStale.Error():
return errDiskNotFound
case errDiskNotFound.Error():
return errDiskNotFound
case errMaxVersionsExceeded.Error():
return errMaxVersionsExceeded
case errInconsistentDisk.Error():
return errInconsistentDisk
case errDriveIsRoot.Error():
return errDriveIsRoot
case errDiskOngoingReq.Error():
return errDiskOngoingReq
case grid.ErrUnknownHandler.Error():
return errInconsistentDisk
case grid.ErrDisconnected.Error():
return errDiskNotFound
}
return err
}
// Abstracts a remote disk.
type storageRESTClient struct {
endpoint Endpoint
restClient *rest.Client
gridConn *grid.Subroute
diskID atomic.Pointer[string]
diskInfoCache *cachevalue.Cache[DiskInfo]
}
// Retrieve location indexes.
func (client *storageRESTClient) GetDiskLoc() (poolIdx, setIdx, diskIdx int) {
return client.endpoint.PoolIdx, client.endpoint.SetIdx, client.endpoint.DiskIdx
}
// Wrapper to restClient.CallWithMethod to handle network errors, in case of network error the connection is disconnected
// and a healthcheck routine gets invoked that would reconnect.
func (client *storageRESTClient) callGet(ctx context.Context, rpcMethod string, values url.Values, body io.Reader, length int64) (io.ReadCloser, error) {
if values == nil {
values = make(url.Values)
}
values.Set(storageRESTDiskID, *client.diskID.Load())
respBody, err := client.restClient.CallWithHTTPMethod(ctx, http.MethodGet, rpcMethod, values, body, length)
if err != nil {
return nil, toStorageErr(err)
}
return respBody, nil
}
// Wrapper to restClient.Call to handle network errors, in case of network error the connection is disconnected
// and a healthcheck routine gets invoked that would reconnect.
func (client *storageRESTClient) call(ctx context.Context, rpcMethod string, values url.Values, body io.Reader, length int64) (io.ReadCloser, error) {
if values == nil {
values = make(url.Values)
}
values.Set(storageRESTDiskID, *client.diskID.Load())
respBody, err := client.restClient.CallWithHTTPMethod(ctx, http.MethodPost, rpcMethod, values, body, length)
if err != nil {
return nil, toStorageErr(err)
}
return respBody, nil
}
// Stringer provides a canonicalized representation of network device.
func (client *storageRESTClient) String() string {
return client.endpoint.String()
}
// IsOnline - returns whether client failed to connect or not.
func (client *storageRESTClient) IsOnline() bool {
return client.restClient.IsOnline() || client.IsOnlineWS()
}
// IsOnlineWS - returns whether websocket client failed to connect or not.
func (client *storageRESTClient) IsOnlineWS() bool {
return client.gridConn.State() == grid.StateConnected
}
// LastConn - returns when the disk is seen to be connected the last time
func (client *storageRESTClient) LastConn() time.Time {
return client.restClient.LastConn()
}
func (client *storageRESTClient) IsLocal() bool {
return false
}
func (client *storageRESTClient) Hostname() string {
return client.endpoint.Host
}
func (client *storageRESTClient) Endpoint() Endpoint {
return client.endpoint
}
func (client *storageRESTClient) Healing() *healingTracker {
// This call is not implemented for remote client on purpose.
// healing tracker is always for local disks.
return nil
}
func (client *storageRESTClient) NSScanner(ctx context.Context, cache dataUsageCache, updates chan<- dataUsageEntry, scanMode madmin.HealScanMode, _ func() bool) (dataUsageCache, error) {
defer xioutil.SafeClose(updates)
st, err := storageNSScannerRPC.Call(ctx, client.gridConn, &nsScannerOptions{
DiskID: *client.diskID.Load(),
ScanMode: int(scanMode),
Cache: &cache,
})
if err != nil {
return cache, toStorageErr(err)
}
var final *dataUsageCache
err = st.Results(func(resp *nsScannerResp) error {
if resp.Update != nil {
select {
case <-ctx.Done():
case updates <- *resp.Update:
}
}
if resp.Final != nil {
final = resp.Final
}
// We can't reuse the response since it is sent upstream.
return nil
})
if err != nil {
return cache, toStorageErr(err)
}
if final == nil {
return cache, errors.New("no final cache")
}
return *final, nil
}
func (client *storageRESTClient) GetDiskID() (string, error) {
if !client.IsOnlineWS() {
// make sure to check if the disk is offline, since the underlying
// value is cached we should attempt to invalidate it if such calls
// were attempted. This can lead to false success under certain conditions
// - this change attempts to avoid stale information if the underlying
// transport is already down.
return "", errDiskNotFound
}
// This call should never be over the network, this is always
// a cached value - caller should make sure to use this
// function on a fresh disk or make sure to look at the error
// from a different networked call to validate the GetDiskID()
return *client.diskID.Load(), nil
}
func (client *storageRESTClient) SetDiskID(id string) {
client.diskID.Store(&id)
}
func (client *storageRESTClient) DiskInfo(ctx context.Context, opts DiskInfoOptions) (info DiskInfo, err error) {
if !client.IsOnlineWS() {
// make sure to check if the disk is offline, since the underlying
// value is cached we should attempt to invalidate it if such calls
// were attempted. This can lead to false success under certain conditions
// - this change attempts to avoid stale information if the underlying
// transport is already down.
return info, errDiskNotFound
}
// if 'NoOp' we do not cache the value.
if opts.NoOp {
ctx, cancel := context.WithTimeout(ctx, 5*time.Second)
defer cancel()
opts.DiskID = *client.diskID.Load()
infop, err := storageDiskInfoRPC.Call(ctx, client.gridConn, &opts)
if err != nil {
return info, toStorageErr(err)
}
info = *infop
if info.Error != "" {
return info, toStorageErr(errors.New(info.Error))
}
return info, nil
} // In all other cases cache the value upto 1sec.
client.diskInfoCache.InitOnce(time.Second, cachevalue.Opts{},
func(ctx context.Context) (info DiskInfo, err error) {
ctx, cancel := context.WithTimeout(ctx, 5*time.Second)
defer cancel()
nopts := DiskInfoOptions{DiskID: *client.diskID.Load(), Metrics: true}
infop, err := storageDiskInfoRPC.Call(ctx, client.gridConn, &nopts)
if err != nil {
return info, toStorageErr(err)
}
info = *infop
if info.Error != "" {
return info, toStorageErr(errors.New(info.Error))
}
return info, nil
},
)
return client.diskInfoCache.GetWithCtx(ctx)
}
// MakeVolBulk - create multiple volumes in a bulk operation.
func (client *storageRESTClient) MakeVolBulk(ctx context.Context, volumes ...string) (err error) {
return errInvalidArgument
}
// MakeVol - create a volume on a remote disk.
func (client *storageRESTClient) MakeVol(ctx context.Context, volume string) (err error) {
return errInvalidArgument
}
// ListVols - List all volumes on a remote disk.
func (client *storageRESTClient) ListVols(ctx context.Context) (vols []VolInfo, err error) {
return nil, errInvalidArgument
}
// StatVol - get volume info over the network.
func (client *storageRESTClient) StatVol(ctx context.Context, volume string) (vol VolInfo, err error) {
v, err := storageStatVolRPC.Call(ctx, client.gridConn, grid.NewMSSWith(map[string]string{
storageRESTDiskID: *client.diskID.Load(),
storageRESTVolume: volume,
}))
if err != nil {
return vol, toStorageErr(err)
}
vol = *v
// Performs shallow copy, so we can reuse.
storageStatVolRPC.PutResponse(v)
return vol, nil
}
// DeleteVol - Deletes a volume over the network.
func (client *storageRESTClient) DeleteVol(ctx context.Context, volume string, forceDelete bool) (err error) {
return errInvalidArgument
}
// AppendFile - append to a file.
func (client *storageRESTClient) AppendFile(ctx context.Context, volume string, path string, buf []byte) error {
values := make(url.Values)
values.Set(storageRESTVolume, volume)
values.Set(storageRESTFilePath, path)
reader := bytes.NewReader(buf)
respBody, err := client.call(ctx, storageRESTMethodAppendFile, values, reader, -1)
defer xhttp.DrainBody(respBody)
return err
}
func (client *storageRESTClient) CreateFile(ctx context.Context, origvolume, volume, path string, size int64, reader io.Reader) error {
values := make(url.Values)
values.Set(storageRESTVolume, volume)
values.Set(storageRESTFilePath, path)
values.Set(storageRESTLength, strconv.Itoa(int(size)))
values.Set(storageRESTOrigVolume, origvolume)
respBody, err := client.call(ctx, storageRESTMethodCreateFile, values, io.NopCloser(reader), size)
defer xhttp.DrainBody(respBody)
if err != nil {
return err
}
_, err = waitForHTTPResponse(respBody)
return toStorageErr(err)
}
func (client *storageRESTClient) WriteMetadata(ctx context.Context, origvolume, volume, path string, fi FileInfo) error {
ctx, cancel := context.WithTimeout(ctx, globalDriveConfig.GetMaxTimeout())
defer cancel()
_, err := storageWriteMetadataRPC.Call(ctx, client.gridConn, &MetadataHandlerParams{
DiskID: *client.diskID.Load(),
OrigVolume: origvolume,
Volume: volume,
FilePath: path,
FI: fi,
})
return toStorageErr(err)
}
func (client *storageRESTClient) UpdateMetadata(ctx context.Context, volume, path string, fi FileInfo, opts UpdateMetadataOpts) error {
ctx, cancel := context.WithTimeout(ctx, globalDriveConfig.GetMaxTimeout())
defer cancel()
_, err := storageUpdateMetadataRPC.Call(ctx, client.gridConn, &MetadataHandlerParams{
DiskID: *client.diskID.Load(),
Volume: volume,
FilePath: path,
UpdateOpts: opts,
FI: fi,
})
return toStorageErr(err)
}
func (client *storageRESTClient) DeleteVersion(ctx context.Context, volume, path string, fi FileInfo, forceDelMarker bool, opts DeleteOptions) (err error) {
ctx, cancel := context.WithTimeout(ctx, globalDriveConfig.GetMaxTimeout())
defer cancel()
_, err = storageDeleteVersionRPC.Call(ctx, client.gridConn, &DeleteVersionHandlerParams{
DiskID: *client.diskID.Load(),
Volume: volume,
FilePath: path,
ForceDelMarker: forceDelMarker,
FI: fi,
Opts: opts,
})
return toStorageErr(err)
}
// WriteAll - write all data to a file.
func (client *storageRESTClient) WriteAll(ctx context.Context, volume string, path string, b []byte) error {
ctx, cancel := context.WithTimeout(ctx, globalDriveConfig.GetMaxTimeout())
defer cancel()
_, err := storageWriteAllRPC.Call(ctx, client.gridConn, &WriteAllHandlerParams{
DiskID: *client.diskID.Load(),
Volume: volume,
FilePath: path,
Buf: b,
})
return toStorageErr(err)
}
// CheckParts - stat all file parts.
func (client *storageRESTClient) CheckParts(ctx context.Context, volume string, path string, fi FileInfo) (*CheckPartsResp, error) {
var resp *CheckPartsResp
resp, err := storageCheckPartsRPC.Call(ctx, client.gridConn, &CheckPartsHandlerParams{
DiskID: *client.diskID.Load(),
Volume: volume,
FilePath: path,
FI: fi,
})
if err != nil {
return nil, err
}
return resp, nil
}
// RenameData - rename source path to destination path atomically, metadata and data file.
func (client *storageRESTClient) RenameData(ctx context.Context, srcVolume, srcPath string, fi FileInfo,
dstVolume, dstPath string, opts RenameOptions,
) (res RenameDataResp, err error) {
params := RenameDataHandlerParams{
DiskID: *client.diskID.Load(),
SrcVolume: srcVolume,
SrcPath: srcPath,
DstPath: dstPath,
DstVolume: dstVolume,
FI: fi,
Opts: opts,
}
var resp *RenameDataResp
if fi.Data == nil {
resp, err = storageRenameDataRPC.Call(ctx, client.gridConn, &params)
} else {
resp, err = storageRenameDataInlineRPC.Call(ctx, client.gridConn, &RenameDataInlineHandlerParams{params})
}
if err != nil {
return res, toStorageErr(err)
}
defer storageRenameDataRPC.PutResponse(resp)
return *resp, nil
}
// where we keep old *Readers
var readMsgpReaderPool = sync.Pool{New: func() interface{} { return &msgp.Reader{} }}
// mspNewReader returns a *Reader that reads from the provided reader.
// The reader will be buffered.
// Return with readMsgpReaderPoolPut when done.
func msgpNewReader(r io.Reader) *msgp.Reader {
p := readMsgpReaderPool.Get().(*msgp.Reader)
if p.R == nil {
p.R = xbufio.NewReaderSize(r, 32<<10)
} else {
p.R.Reset(r)
}
return p
}
// readMsgpReaderPoolPut can be used to reuse a *msgp.Reader.
func readMsgpReaderPoolPut(r *msgp.Reader) {
if r != nil {
readMsgpReaderPool.Put(r)
}
}
func (client *storageRESTClient) ReadVersion(ctx context.Context, origvolume, volume, path, versionID string, opts ReadOptions) (fi FileInfo, err error) {
ctx, cancel := context.WithTimeout(ctx, globalDriveConfig.GetMaxTimeout())
defer cancel()
// Use websocket when not reading data.
if !opts.ReadData {
resp, err := storageReadVersionRPC.Call(ctx, client.gridConn, grid.NewMSSWith(map[string]string{
storageRESTDiskID: *client.diskID.Load(),
storageRESTOrigVolume: origvolume,
storageRESTVolume: volume,
storageRESTFilePath: path,
storageRESTVersionID: versionID,
storageRESTInclFreeVersions: strconv.FormatBool(opts.InclFreeVersions),
storageRESTHealing: strconv.FormatBool(opts.Healing),
}))
if err != nil {
return fi, toStorageErr(err)
}
return *resp, nil
}
values := make(url.Values)
values.Set(storageRESTOrigVolume, origvolume)
values.Set(storageRESTVolume, volume)
values.Set(storageRESTFilePath, path)
values.Set(storageRESTVersionID, versionID)
values.Set(storageRESTInclFreeVersions, strconv.FormatBool(opts.InclFreeVersions))
values.Set(storageRESTHealing, strconv.FormatBool(opts.Healing))
respBody, err := client.callGet(ctx, storageRESTMethodReadVersion, values, nil, -1)
if err != nil {
return fi, err
}
defer xhttp.DrainBody(respBody)
dec := msgpNewReader(respBody)
defer readMsgpReaderPoolPut(dec)
err = fi.DecodeMsg(dec)
return fi, err
}
// ReadXL - reads all contents of xl.meta of a file.
func (client *storageRESTClient) ReadXL(ctx context.Context, volume string, path string, readData bool) (rf RawFileInfo, err error) {
ctx, cancel := context.WithTimeout(ctx, globalDriveConfig.GetMaxTimeout())
defer cancel()
// Use websocket when not reading data.
if !readData {
resp, err := storageReadXLRPC.Call(ctx, client.gridConn, grid.NewMSSWith(map[string]string{
storageRESTDiskID: *client.diskID.Load(),
storageRESTVolume: volume,
storageRESTFilePath: path,
}))
if err != nil {
return rf, toStorageErr(err)
}
return *resp, nil
}
values := make(url.Values)
values.Set(storageRESTVolume, volume)
values.Set(storageRESTFilePath, path)
respBody, err := client.callGet(ctx, storageRESTMethodReadXL, values, nil, -1)
if err != nil {
return rf, toStorageErr(err)
}
defer xhttp.DrainBody(respBody)
dec := msgpNewReader(respBody)
defer readMsgpReaderPoolPut(dec)
err = rf.DecodeMsg(dec)
return rf, err
}
// ReadAll - reads all contents of a file.
func (client *storageRESTClient) ReadAll(ctx context.Context, volume string, path string) ([]byte, error) {
ctx, cancel := context.WithTimeout(ctx, globalDriveConfig.GetMaxTimeout())
defer cancel()
gridBytes, err := storageReadAllRPC.Call(ctx, client.gridConn, &ReadAllHandlerParams{
DiskID: *client.diskID.Load(),
Volume: volume,
FilePath: path,
})
if err != nil {
return nil, toStorageErr(err)
}
return *gridBytes, nil
}
// ReadFileStream - returns a reader for the requested file.
func (client *storageRESTClient) ReadFileStream(ctx context.Context, volume, path string, offset, length int64) (io.ReadCloser, error) {
values := make(url.Values)
values.Set(storageRESTVolume, volume)
values.Set(storageRESTFilePath, path)
values.Set(storageRESTOffset, strconv.Itoa(int(offset)))
values.Set(storageRESTLength, strconv.Itoa(int(length)))
respBody, err := client.callGet(ctx, storageRESTMethodReadFileStream, values, nil, -1)
if err != nil {
return nil, toStorageErr(err)
}
return respBody, nil
}
// ReadFile - reads section of a file.
func (client *storageRESTClient) ReadFile(ctx context.Context, volume string, path string, offset int64, buf []byte, verifier *BitrotVerifier) (int64, error) {
values := make(url.Values)
values.Set(storageRESTVolume, volume)
values.Set(storageRESTFilePath, path)
values.Set(storageRESTOffset, strconv.Itoa(int(offset)))
values.Set(storageRESTLength, strconv.Itoa(len(buf)))
if verifier != nil {
values.Set(storageRESTBitrotAlgo, verifier.algorithm.String())
values.Set(storageRESTBitrotHash, hex.EncodeToString(verifier.sum))
} else {
values.Set(storageRESTBitrotAlgo, "")
values.Set(storageRESTBitrotHash, "")
}
respBody, err := client.callGet(ctx, storageRESTMethodReadFile, values, nil, -1)
if err != nil {
return 0, err
}
defer xhttp.DrainBody(respBody)
n, err := io.ReadFull(respBody, buf)
return int64(n), toStorageErr(err)
}
// ListDir - lists a directory.
func (client *storageRESTClient) ListDir(ctx context.Context, origvolume, volume, dirPath string, count int) (entries []string, err error) {
values := grid.NewMSS()
values.Set(storageRESTVolume, volume)
values.Set(storageRESTDirPath, dirPath)
values.Set(storageRESTCount, strconv.Itoa(count))
values.Set(storageRESTOrigVolume, origvolume)
values.Set(storageRESTDiskID, *client.diskID.Load())
st, err := storageListDirRPC.Call(ctx, client.gridConn, values)
if err != nil {
return nil, toStorageErr(err)
}
err = st.Results(func(resp *ListDirResult) error {
entries = resp.Entries
return nil
})
return entries, toStorageErr(err)
}
// DeleteFile - deletes a file.
func (client *storageRESTClient) Delete(ctx context.Context, volume string, path string, deleteOpts DeleteOptions) error {
if !deleteOpts.Immediate {
// add deadlines for all non-immediate purges
var cancel context.CancelFunc
ctx, cancel = context.WithTimeout(ctx, globalDriveConfig.GetMaxTimeout())
defer cancel()
}
_, err := storageDeleteFileRPC.Call(ctx, client.gridConn, &DeleteFileHandlerParams{
DiskID: *client.diskID.Load(),
Volume: volume,
FilePath: path,
Opts: deleteOpts,
})
return toStorageErr(err)
}
// DeleteVersions - deletes list of specified versions if present
func (client *storageRESTClient) DeleteVersions(ctx context.Context, volume string, versions []FileInfoVersions, opts DeleteOptions) (errs []error) {
if len(versions) == 0 {
return errs
}
values := make(url.Values)
values.Set(storageRESTVolume, volume)
values.Set(storageRESTTotalVersions, strconv.Itoa(len(versions)))
var buffer bytes.Buffer
encoder := msgp.NewWriter(&buffer)
for _, version := range versions {
version.EncodeMsg(encoder)
}
storageLogIf(ctx, encoder.Flush())
errs = make([]error, len(versions))
respBody, err := client.call(ctx, storageRESTMethodDeleteVersions, values, &buffer, -1)
defer xhttp.DrainBody(respBody)
if err != nil {
if contextCanceled(ctx) {
err = ctx.Err()
}
for i := range errs {
errs[i] = err
}
return errs
}
reader, err := waitForHTTPResponse(respBody)
if err != nil {
for i := range errs {
errs[i] = toStorageErr(err)
}
return errs
}
dErrResp := &DeleteVersionsErrsResp{}
decoder := msgpNewReader(reader)
defer readMsgpReaderPoolPut(decoder)
if err = dErrResp.DecodeMsg(decoder); err != nil {
for i := range errs {
errs[i] = toStorageErr(err)
}
return errs
}
for i, dErr := range dErrResp.Errs {
if dErr != "" {
errs[i] = toStorageErr(errors.New(dErr))
} else {
errs[i] = nil
}
}
return errs
}
// RenameFile - renames a file.
func (client *storageRESTClient) RenameFile(ctx context.Context, srcVolume, srcPath, dstVolume, dstPath string) (err error) {
ctx, cancel := context.WithTimeout(ctx, globalDriveConfig.GetMaxTimeout())
defer cancel()
_, err = storageRenameFileRPC.Call(ctx, client.gridConn, &RenameFileHandlerParams{
DiskID: *client.diskID.Load(),
SrcVolume: srcVolume,
SrcFilePath: srcPath,
DstVolume: dstVolume,
DstFilePath: dstPath,
})
return toStorageErr(err)
}
func (client *storageRESTClient) VerifyFile(ctx context.Context, volume, path string, fi FileInfo) (*CheckPartsResp, error) {
values := make(url.Values)
values.Set(storageRESTVolume, volume)
values.Set(storageRESTFilePath, path)
var reader bytes.Buffer
if err := msgp.Encode(&reader, &fi); err != nil {
return nil, err
}
respBody, err := client.call(ctx, storageRESTMethodVerifyFile, values, &reader, -1)
defer xhttp.DrainBody(respBody)
if err != nil {
return nil, err
}
respReader, err := waitForHTTPResponse(respBody)
if err != nil {
return nil, toStorageErr(err)
}
verifyResp := &CheckPartsResp{}
if err = gob.NewDecoder(respReader).Decode(verifyResp); err != nil {
return nil, toStorageErr(err)
}
return verifyResp, nil
}
func (client *storageRESTClient) DeleteBulk(ctx context.Context, volume string, paths ...string) (err error) {
values := make(url.Values)
values.Set(storageRESTVolume, volume)
req := &DeleteBulkReq{Paths: paths}
body, err := req.MarshalMsg(nil)
if err != nil {
return err
}
respBody, err := client.call(ctx, storageRESTMethodDeleteBulk, values, bytes.NewReader(body), int64(len(body)))
if err != nil {
return err
}
defer xhttp.DrainBody(respBody)
_, err = waitForHTTPResponse(respBody)
return toStorageErr(err)
}
func (client *storageRESTClient) StatInfoFile(ctx context.Context, volume, path string, glob bool) (stat []StatInfo, err error) {
values := make(url.Values)
values.Set(storageRESTVolume, volume)
values.Set(storageRESTFilePath, path)
values.Set(storageRESTGlob, strconv.FormatBool(glob))
respBody, err := client.call(ctx, storageRESTMethodStatInfoFile, values, nil, -1)
if err != nil {
return stat, err
}
defer xhttp.DrainBody(respBody)
respReader, err := waitForHTTPResponse(respBody)
if err != nil {
return stat, toStorageErr(err)
}
rd := msgpNewReader(respReader)
defer readMsgpReaderPoolPut(rd)
for {
var st StatInfo
err = st.DecodeMsg(rd)
if err != nil {
if errors.Is(err, io.EOF) {
err = nil
}
break
}
stat = append(stat, st)
}
return stat, toStorageErr(err)
}
// ReadMultiple will read multiple files and send each back as response.
// Files are read and returned in the given order.
// The resp channel is closed before the call returns.
// Only a canceled context or network errors returns an error.
func (client *storageRESTClient) ReadMultiple(ctx context.Context, req ReadMultipleReq, resp chan<- ReadMultipleResp) error {
defer xioutil.SafeClose(resp)
body, err := req.MarshalMsg(nil)
if err != nil {
return err
}
respBody, err := client.call(ctx, storageRESTMethodReadMultiple, nil, bytes.NewReader(body), int64(len(body)))
if err != nil {
return err
}
defer xhttp.DrainBody(respBody)
pr, pw := io.Pipe()
go func() {
pw.CloseWithError(waitForHTTPStream(respBody, ioutil.NewDeadlineWriter(pw, globalDriveConfig.GetMaxTimeout())))
}()
mr := msgp.NewReader(pr)
defer readMsgpReaderPoolPut(mr)
for {
var file ReadMultipleResp
if err := file.DecodeMsg(mr); err != nil {
if errors.Is(err, io.EOF) {
err = nil
}
pr.CloseWithError(err)
return toStorageErr(err)
}
select {
case <-ctx.Done():
return ctx.Err()
case resp <- file:
}
}
}
// CleanAbandonedData will read metadata of the object on disk
// and delete any data directories and inline data that isn't referenced in metadata.
func (client *storageRESTClient) CleanAbandonedData(ctx context.Context, volume string, path string) error {
values := make(url.Values)
values.Set(storageRESTVolume, volume)
values.Set(storageRESTFilePath, path)
respBody, err := client.call(ctx, storageRESTMethodCleanAbandoned, values, nil, -1)
if err != nil {
return err
}
defer xhttp.DrainBody(respBody)
_, err = waitForHTTPResponse(respBody)
return toStorageErr(err)
}
// Close - marks the client as closed.
func (client *storageRESTClient) Close() error {
client.restClient.Close()
return nil
}
var emptyDiskID = ""
// Returns a storage rest client.
func newStorageRESTClient(endpoint Endpoint, healthCheck bool, gm *grid.Manager) (*storageRESTClient, error) {
serverURL := &url.URL{
Scheme: endpoint.Scheme,
Host: endpoint.Host,
Path: path.Join(storageRESTPrefix, endpoint.Path, storageRESTVersion),
}
restClient := rest.NewClient(serverURL, globalInternodeTransport, newCachedAuthToken())
if healthCheck {
// Use a separate client to avoid recursive calls.
healthClient := rest.NewClient(serverURL, globalInternodeTransport, newCachedAuthToken())
healthClient.NoMetrics = true
restClient.HealthCheckFn = func() bool {
ctx, cancel := context.WithTimeout(context.Background(), restClient.HealthCheckTimeout)
defer cancel()
respBody, err := healthClient.Call(ctx, storageRESTMethodHealth, nil, nil, -1)
xhttp.DrainBody(respBody)
return toStorageErr(err) != errDiskNotFound
}
}
conn := gm.Connection(endpoint.GridHost()).Subroute(endpoint.Path)
if conn == nil {
return nil, fmt.Errorf("unable to find connection for %s in targets: %v", endpoint.GridHost(), gm.Targets())
}
client := &storageRESTClient{
endpoint: endpoint,
restClient: restClient,
gridConn: conn,
diskInfoCache: cachevalue.New[DiskInfo](),
}
client.SetDiskID(emptyDiskID)
return client, nil
}