mirror of
https://github.com/minio/minio.git
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319 lines
9.1 KiB
Go
319 lines
9.1 KiB
Go
// Copyright (c) 2015-2021 MinIO, Inc.
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//
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// This file is part of MinIO Object Storage stack
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package cmd
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import (
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"context"
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"io"
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"sync"
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"time"
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"github.com/minio/madmin-go/v3"
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)
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// naughtyDisk wraps a POSIX disk and returns programmed errors
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// specified by the developer. The purpose is to simulate errors
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// that are hard to simulate in practice like DiskNotFound.
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// Programmed errors are stored in errors field.
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type naughtyDisk struct {
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// The real disk
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disk StorageAPI
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// Programmed errors: API call number => error to return
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errors map[int]error
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// The error to return when no error value is programmed
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defaultErr error
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// The current API call number
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callNR int
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// Data protection
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mu sync.Mutex
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}
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func newNaughtyDisk(d StorageAPI, errs map[int]error, defaultErr error) *naughtyDisk {
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return &naughtyDisk{disk: d, errors: errs, defaultErr: defaultErr}
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}
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func (d *naughtyDisk) String() string {
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return d.disk.String()
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}
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func (d *naughtyDisk) IsOnline() bool {
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if err := d.calcError(); err != nil {
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return err == errDiskNotFound
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}
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return d.disk.IsOnline()
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}
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func (d *naughtyDisk) LastConn() time.Time {
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return d.disk.LastConn()
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}
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func (d *naughtyDisk) IsLocal() bool {
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return d.disk.IsLocal()
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}
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func (d *naughtyDisk) Endpoint() Endpoint {
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return d.disk.Endpoint()
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}
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func (d *naughtyDisk) Hostname() string {
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return d.disk.Hostname()
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}
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func (d *naughtyDisk) Healing() *healingTracker {
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return d.disk.Healing()
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}
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func (d *naughtyDisk) Close() (err error) {
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if err = d.calcError(); err != nil {
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return err
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}
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return d.disk.Close()
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}
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func (d *naughtyDisk) calcError() (err error) {
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d.mu.Lock()
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defer d.mu.Unlock()
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d.callNR++
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if err, ok := d.errors[d.callNR]; ok {
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return err
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}
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if d.defaultErr != nil {
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return d.defaultErr
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}
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return nil
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}
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func (d *naughtyDisk) GetDiskLoc() (poolIdx, setIdx, diskIdx int) {
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return -1, -1, -1
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}
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func (d *naughtyDisk) SetDiskLoc(poolIdx, setIdx, diskIdx int) {}
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func (d *naughtyDisk) GetDiskID() (string, error) {
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return d.disk.GetDiskID()
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}
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func (d *naughtyDisk) SetDiskID(id string) {
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d.disk.SetDiskID(id)
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}
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func (d *naughtyDisk) NSScanner(ctx context.Context, cache dataUsageCache, updates chan<- dataUsageEntry, scanMode madmin.HealScanMode) (info dataUsageCache, err error) {
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return d.disk.NSScanner(ctx, cache, updates, scanMode)
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}
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func (d *naughtyDisk) DiskInfo(ctx context.Context) (info DiskInfo, err error) {
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if err := d.calcError(); err != nil {
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return info, err
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}
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return d.disk.DiskInfo(ctx)
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}
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func (d *naughtyDisk) MakeVolBulk(ctx context.Context, volumes ...string) (err error) {
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if err := d.calcError(); err != nil {
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return err
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}
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return d.disk.MakeVolBulk(ctx, volumes...)
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}
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func (d *naughtyDisk) MakeVol(ctx context.Context, volume string) (err error) {
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if err := d.calcError(); err != nil {
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return err
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}
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return d.disk.MakeVol(ctx, volume)
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}
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func (d *naughtyDisk) ListVols(ctx context.Context) (vols []VolInfo, err error) {
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if err := d.calcError(); err != nil {
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return nil, err
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}
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return d.disk.ListVols(ctx)
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}
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func (d *naughtyDisk) StatVol(ctx context.Context, volume string) (vol VolInfo, err error) {
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if err := d.calcError(); err != nil {
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return VolInfo{}, err
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}
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return d.disk.StatVol(ctx, volume)
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}
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func (d *naughtyDisk) DeleteVol(ctx context.Context, volume string, forceDelete bool) (err error) {
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if err := d.calcError(); err != nil {
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return err
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}
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return d.disk.DeleteVol(ctx, volume, forceDelete)
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}
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func (d *naughtyDisk) WalkDir(ctx context.Context, opts WalkDirOptions, wr io.Writer) error {
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if err := d.calcError(); err != nil {
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return err
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}
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return d.disk.WalkDir(ctx, opts, wr)
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}
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func (d *naughtyDisk) ListDir(ctx context.Context, volume, dirPath string, count int) (entries []string, err error) {
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if err := d.calcError(); err != nil {
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return []string{}, err
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}
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return d.disk.ListDir(ctx, volume, dirPath, count)
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}
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func (d *naughtyDisk) ReadFile(ctx context.Context, volume string, path string, offset int64, buf []byte, verifier *BitrotVerifier) (n int64, err error) {
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if err := d.calcError(); err != nil {
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return 0, err
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}
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return d.disk.ReadFile(ctx, volume, path, offset, buf, verifier)
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}
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func (d *naughtyDisk) ReadFileStream(ctx context.Context, volume, path string, offset, length int64) (io.ReadCloser, error) {
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if err := d.calcError(); err != nil {
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return nil, err
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}
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return d.disk.ReadFileStream(ctx, volume, path, offset, length)
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}
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func (d *naughtyDisk) CreateFile(ctx context.Context, volume, path string, size int64, reader io.Reader) error {
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if err := d.calcError(); err != nil {
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return err
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}
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return d.disk.CreateFile(ctx, volume, path, size, reader)
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}
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func (d *naughtyDisk) AppendFile(ctx context.Context, volume string, path string, buf []byte) error {
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if err := d.calcError(); err != nil {
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return err
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}
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return d.disk.AppendFile(ctx, volume, path, buf)
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}
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func (d *naughtyDisk) RenameData(ctx context.Context, srcVolume, srcPath string, fi FileInfo, dstVolume, dstPath string) (uint64, error) {
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if err := d.calcError(); err != nil {
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return 0, err
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}
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return d.disk.RenameData(ctx, srcVolume, srcPath, fi, dstVolume, dstPath)
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}
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func (d *naughtyDisk) RenameFile(ctx context.Context, srcVolume, srcPath, dstVolume, dstPath string) error {
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if err := d.calcError(); err != nil {
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return err
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}
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return d.disk.RenameFile(ctx, srcVolume, srcPath, dstVolume, dstPath)
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}
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func (d *naughtyDisk) CheckParts(ctx context.Context, volume string, path string, fi FileInfo) (err error) {
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if err := d.calcError(); err != nil {
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return err
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}
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return d.disk.CheckParts(ctx, volume, path, fi)
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}
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func (d *naughtyDisk) Delete(ctx context.Context, volume string, path string, deleteOpts DeleteOptions) (err error) {
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if err := d.calcError(); err != nil {
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return err
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}
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return d.disk.Delete(ctx, volume, path, deleteOpts)
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}
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func (d *naughtyDisk) DeleteVersions(ctx context.Context, volume string, versions []FileInfoVersions) []error {
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if err := d.calcError(); err != nil {
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errs := make([]error, len(versions))
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for i := range errs {
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errs[i] = err
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}
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return errs
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}
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return d.disk.DeleteVersions(ctx, volume, versions)
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}
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func (d *naughtyDisk) WriteMetadata(ctx context.Context, volume, path string, fi FileInfo) (err error) {
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if err := d.calcError(); err != nil {
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return err
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}
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return d.disk.WriteMetadata(ctx, volume, path, fi)
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}
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func (d *naughtyDisk) UpdateMetadata(ctx context.Context, volume, path string, fi FileInfo) (err error) {
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if err := d.calcError(); err != nil {
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return err
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}
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return d.disk.UpdateMetadata(ctx, volume, path, fi)
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}
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func (d *naughtyDisk) DeleteVersion(ctx context.Context, volume, path string, fi FileInfo, forceDelMarker bool) (err error) {
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if err := d.calcError(); err != nil {
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return err
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}
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return d.disk.DeleteVersion(ctx, volume, path, fi, forceDelMarker)
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}
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func (d *naughtyDisk) ReadVersion(ctx context.Context, volume, path, versionID string, readData bool) (fi FileInfo, err error) {
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if err := d.calcError(); err != nil {
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return FileInfo{}, err
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}
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return d.disk.ReadVersion(ctx, volume, path, versionID, readData)
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}
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func (d *naughtyDisk) WriteAll(ctx context.Context, volume string, path string, b []byte) (err error) {
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if err := d.calcError(); err != nil {
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return err
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}
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return d.disk.WriteAll(ctx, volume, path, b)
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}
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func (d *naughtyDisk) ReadAll(ctx context.Context, volume string, path string) (buf []byte, err error) {
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if err := d.calcError(); err != nil {
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return nil, err
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}
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return d.disk.ReadAll(ctx, volume, path)
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}
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func (d *naughtyDisk) ReadXL(ctx context.Context, volume string, path string, readData bool) (rf RawFileInfo, err error) {
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if err := d.calcError(); err != nil {
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return rf, err
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}
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return d.disk.ReadXL(ctx, volume, path, readData)
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}
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func (d *naughtyDisk) VerifyFile(ctx context.Context, volume, path string, fi FileInfo) error {
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if err := d.calcError(); err != nil {
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return err
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}
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return d.disk.VerifyFile(ctx, volume, path, fi)
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}
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func (d *naughtyDisk) StatInfoFile(ctx context.Context, volume, path string, glob bool) (stat []StatInfo, err error) {
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if err := d.calcError(); err != nil {
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return stat, err
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}
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return d.disk.StatInfoFile(ctx, volume, path, glob)
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}
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func (d *naughtyDisk) ReadMultiple(ctx context.Context, req ReadMultipleReq, resp chan<- ReadMultipleResp) error {
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if err := d.calcError(); err != nil {
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close(resp)
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return err
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}
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return d.disk.ReadMultiple(ctx, req, resp)
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}
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func (d *naughtyDisk) CleanAbandonedData(ctx context.Context, volume string, path string) error {
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if err := d.calcError(); err != nil {
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return err
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}
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return d.disk.CleanAbandonedData(ctx, volume, path)
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}
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