289 lines
8.2 KiB
Go
289 lines
8.2 KiB
Go
/*
|
|
* MinIO Cloud Storage, (C) 2016 MinIO, Inc.
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
package cmd
|
|
|
|
import (
|
|
"context"
|
|
"io"
|
|
"sync"
|
|
)
|
|
|
|
// naughtyDisk wraps a POSIX disk and returns programmed errors
|
|
// specified by the developer. The purpose is to simulate errors
|
|
// that are hard to simulate in practice like DiskNotFound.
|
|
// Programmed errors are stored in errors field.
|
|
type naughtyDisk struct {
|
|
// The real disk
|
|
disk StorageAPI
|
|
// Programmed errors: API call number => error to return
|
|
errors map[int]error
|
|
// The error to return when no error value is programmed
|
|
defaultErr error
|
|
// The current API call number
|
|
callNR int
|
|
// Data protection
|
|
mu sync.Mutex
|
|
}
|
|
|
|
func newNaughtyDisk(d StorageAPI, errs map[int]error, defaultErr error) *naughtyDisk {
|
|
return &naughtyDisk{disk: d, errors: errs, defaultErr: defaultErr}
|
|
}
|
|
|
|
func (d *naughtyDisk) String() string {
|
|
return d.disk.String()
|
|
}
|
|
|
|
func (d *naughtyDisk) IsOnline() bool {
|
|
if err := d.calcError(); err != nil {
|
|
return err == errDiskNotFound
|
|
}
|
|
return d.disk.IsOnline()
|
|
}
|
|
|
|
func (d *naughtyDisk) IsLocal() bool {
|
|
return d.disk.IsLocal()
|
|
}
|
|
|
|
func (d *naughtyDisk) Endpoint() Endpoint {
|
|
return d.disk.Endpoint()
|
|
}
|
|
|
|
func (d *naughtyDisk) Hostname() string {
|
|
return d.disk.Hostname()
|
|
}
|
|
|
|
func (d *naughtyDisk) Healing() bool {
|
|
return d.disk.Healing()
|
|
}
|
|
|
|
func (d *naughtyDisk) Close() (err error) {
|
|
if err = d.calcError(); err != nil {
|
|
return err
|
|
}
|
|
return d.disk.Close()
|
|
}
|
|
|
|
func (d *naughtyDisk) calcError() (err error) {
|
|
d.mu.Lock()
|
|
defer d.mu.Unlock()
|
|
d.callNR++
|
|
if err, ok := d.errors[d.callNR]; ok {
|
|
return err
|
|
}
|
|
if d.defaultErr != nil {
|
|
return d.defaultErr
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (d *naughtyDisk) GetDiskID() (string, error) {
|
|
return d.disk.GetDiskID()
|
|
}
|
|
|
|
func (d *naughtyDisk) SetDiskID(id string) {
|
|
d.disk.SetDiskID(id)
|
|
}
|
|
|
|
func (d *naughtyDisk) CrawlAndGetDataUsage(ctx context.Context, cache dataUsageCache) (info dataUsageCache, err error) {
|
|
return d.disk.CrawlAndGetDataUsage(ctx, cache)
|
|
}
|
|
|
|
func (d *naughtyDisk) DiskInfo(ctx context.Context) (info DiskInfo, err error) {
|
|
if err := d.calcError(); err != nil {
|
|
return info, err
|
|
}
|
|
return d.disk.DiskInfo(ctx)
|
|
}
|
|
|
|
func (d *naughtyDisk) MakeVolBulk(ctx context.Context, volumes ...string) (err error) {
|
|
if err := d.calcError(); err != nil {
|
|
return err
|
|
}
|
|
return d.disk.MakeVolBulk(ctx, volumes...)
|
|
}
|
|
|
|
func (d *naughtyDisk) MakeVol(ctx context.Context, volume string) (err error) {
|
|
if err := d.calcError(); err != nil {
|
|
return err
|
|
}
|
|
return d.disk.MakeVol(ctx, volume)
|
|
}
|
|
|
|
func (d *naughtyDisk) ListVols(ctx context.Context) (vols []VolInfo, err error) {
|
|
if err := d.calcError(); err != nil {
|
|
return nil, err
|
|
}
|
|
return d.disk.ListVols(ctx)
|
|
}
|
|
|
|
func (d *naughtyDisk) StatVol(ctx context.Context, volume string) (vol VolInfo, err error) {
|
|
if err := d.calcError(); err != nil {
|
|
return VolInfo{}, err
|
|
}
|
|
return d.disk.StatVol(ctx, volume)
|
|
}
|
|
func (d *naughtyDisk) DeleteVol(ctx context.Context, volume string, forceDelete bool) (err error) {
|
|
if err := d.calcError(); err != nil {
|
|
return err
|
|
}
|
|
return d.disk.DeleteVol(ctx, volume, forceDelete)
|
|
}
|
|
|
|
func (d *naughtyDisk) WalkSplunk(ctx context.Context, volume, dirPath, marker string, endWalkCh <-chan struct{}) (chan FileInfo, error) {
|
|
if err := d.calcError(); err != nil {
|
|
return nil, err
|
|
}
|
|
return d.disk.WalkSplunk(ctx, volume, dirPath, marker, endWalkCh)
|
|
}
|
|
|
|
func (d *naughtyDisk) WalkVersions(ctx context.Context, volume, dirPath, marker string, recursive bool, endWalkCh <-chan struct{}) (chan FileInfoVersions, error) {
|
|
if err := d.calcError(); err != nil {
|
|
return nil, err
|
|
}
|
|
return d.disk.WalkVersions(ctx, volume, dirPath, marker, recursive, endWalkCh)
|
|
}
|
|
|
|
func (d *naughtyDisk) Walk(ctx context.Context, volume, dirPath, marker string, recursive bool, endWalkCh <-chan struct{}) (chan FileInfo, error) {
|
|
if err := d.calcError(); err != nil {
|
|
return nil, err
|
|
}
|
|
return d.disk.Walk(ctx, volume, dirPath, marker, recursive, endWalkCh)
|
|
}
|
|
|
|
func (d *naughtyDisk) ListDir(ctx context.Context, volume, dirPath string, count int) (entries []string, err error) {
|
|
if err := d.calcError(); err != nil {
|
|
return []string{}, err
|
|
}
|
|
return d.disk.ListDir(ctx, volume, dirPath, count)
|
|
}
|
|
|
|
func (d *naughtyDisk) ReadFile(ctx context.Context, volume string, path string, offset int64, buf []byte, verifier *BitrotVerifier) (n int64, err error) {
|
|
if err := d.calcError(); err != nil {
|
|
return 0, err
|
|
}
|
|
return d.disk.ReadFile(ctx, volume, path, offset, buf, verifier)
|
|
}
|
|
|
|
func (d *naughtyDisk) ReadFileStream(ctx context.Context, volume, path string, offset, length int64) (io.ReadCloser, error) {
|
|
if err := d.calcError(); err != nil {
|
|
return nil, err
|
|
}
|
|
return d.disk.ReadFileStream(ctx, volume, path, offset, length)
|
|
}
|
|
|
|
func (d *naughtyDisk) CreateFile(ctx context.Context, volume, path string, size int64, reader io.Reader) error {
|
|
if err := d.calcError(); err != nil {
|
|
return err
|
|
}
|
|
return d.disk.CreateFile(ctx, volume, path, size, reader)
|
|
}
|
|
|
|
func (d *naughtyDisk) AppendFile(ctx context.Context, volume string, path string, buf []byte) error {
|
|
if err := d.calcError(); err != nil {
|
|
return err
|
|
}
|
|
return d.disk.AppendFile(ctx, volume, path, buf)
|
|
}
|
|
|
|
func (d *naughtyDisk) RenameData(ctx context.Context, srcVolume, srcPath, dataDir, dstVolume, dstPath string) error {
|
|
if err := d.calcError(); err != nil {
|
|
return err
|
|
}
|
|
return d.disk.RenameData(ctx, srcVolume, srcPath, dataDir, dstVolume, dstPath)
|
|
}
|
|
|
|
func (d *naughtyDisk) RenameFile(ctx context.Context, srcVolume, srcPath, dstVolume, dstPath string) error {
|
|
if err := d.calcError(); err != nil {
|
|
return err
|
|
}
|
|
return d.disk.RenameFile(ctx, srcVolume, srcPath, dstVolume, dstPath)
|
|
}
|
|
|
|
func (d *naughtyDisk) CheckParts(ctx context.Context, volume string, path string, fi FileInfo) (err error) {
|
|
if err := d.calcError(); err != nil {
|
|
return err
|
|
}
|
|
return d.disk.CheckParts(ctx, volume, path, fi)
|
|
}
|
|
|
|
func (d *naughtyDisk) CheckFile(ctx context.Context, volume string, path string) (err error) {
|
|
if err := d.calcError(); err != nil {
|
|
return err
|
|
}
|
|
return d.disk.CheckFile(ctx, volume, path)
|
|
}
|
|
|
|
func (d *naughtyDisk) DeleteFile(ctx context.Context, volume string, path string) (err error) {
|
|
if err := d.calcError(); err != nil {
|
|
return err
|
|
}
|
|
return d.disk.DeleteFile(ctx, volume, path)
|
|
}
|
|
|
|
func (d *naughtyDisk) DeleteVersions(ctx context.Context, volume string, versions []FileInfo) []error {
|
|
if err := d.calcError(); err != nil {
|
|
errs := make([]error, len(versions))
|
|
for i := range errs {
|
|
errs[i] = err
|
|
}
|
|
return errs
|
|
}
|
|
return d.disk.DeleteVersions(ctx, volume, versions)
|
|
}
|
|
|
|
func (d *naughtyDisk) WriteMetadata(ctx context.Context, volume, path string, fi FileInfo) (err error) {
|
|
if err := d.calcError(); err != nil {
|
|
return err
|
|
}
|
|
return d.disk.WriteMetadata(ctx, volume, path, fi)
|
|
}
|
|
|
|
func (d *naughtyDisk) DeleteVersion(ctx context.Context, volume, path string, fi FileInfo) (err error) {
|
|
if err := d.calcError(); err != nil {
|
|
return err
|
|
}
|
|
return d.disk.DeleteVersion(ctx, volume, path, fi)
|
|
}
|
|
|
|
func (d *naughtyDisk) ReadVersion(ctx context.Context, volume, path, versionID string, checkDataDir bool) (fi FileInfo, err error) {
|
|
if err := d.calcError(); err != nil {
|
|
return FileInfo{}, err
|
|
}
|
|
return d.disk.ReadVersion(ctx, volume, path, versionID, checkDataDir)
|
|
}
|
|
|
|
func (d *naughtyDisk) WriteAll(ctx context.Context, volume string, path string, reader io.Reader) (err error) {
|
|
if err := d.calcError(); err != nil {
|
|
return err
|
|
}
|
|
return d.disk.WriteAll(ctx, volume, path, reader)
|
|
}
|
|
|
|
func (d *naughtyDisk) ReadAll(ctx context.Context, volume string, path string) (buf []byte, err error) {
|
|
if err := d.calcError(); err != nil {
|
|
return nil, err
|
|
}
|
|
return d.disk.ReadAll(ctx, volume, path)
|
|
}
|
|
|
|
func (d *naughtyDisk) VerifyFile(ctx context.Context, volume, path string, fi FileInfo) error {
|
|
if err := d.calcError(); err != nil {
|
|
return err
|
|
}
|
|
return d.disk.VerifyFile(ctx, volume, path, fi)
|
|
}
|