mirror of
https://github.com/minio/minio.git
synced 2024-12-26 07:05:55 -05:00
d0027c3c41
without this change, there is a performance regression for small objects GETs, this makes the overall speed to go back to pre '59d363' commit days.
290 lines
8.0 KiB
Go
290 lines
8.0 KiB
Go
/*
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* MinIO Cloud Storage, (C) 2019-2020 MinIO, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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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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)
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// Detects change in underlying disk.
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type xlStorageDiskIDCheck struct {
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storage *xlStorage
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diskID string
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}
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func (p *xlStorageDiskIDCheck) String() string {
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return p.storage.String()
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}
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func (p *xlStorageDiskIDCheck) IsOnline() bool {
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storedDiskID, err := p.storage.GetDiskID()
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if err != nil {
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return false
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}
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return storedDiskID == p.diskID
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}
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func (p *xlStorageDiskIDCheck) IsLocal() bool {
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return p.storage.IsLocal()
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}
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func (p *xlStorageDiskIDCheck) Endpoint() Endpoint {
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return p.storage.Endpoint()
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}
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func (p *xlStorageDiskIDCheck) Hostname() string {
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return p.storage.Hostname()
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}
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func (p *xlStorageDiskIDCheck) Healing() bool {
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return p.storage.Healing()
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}
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func (p *xlStorageDiskIDCheck) CrawlAndGetDataUsage(ctx context.Context, cache dataUsageCache) (dataUsageCache, error) {
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if err := p.checkDiskStale(); err != nil {
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return dataUsageCache{}, err
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}
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return p.storage.CrawlAndGetDataUsage(ctx, cache)
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}
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func (p *xlStorageDiskIDCheck) Close() error {
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return p.storage.Close()
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}
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func (p *xlStorageDiskIDCheck) GetDiskID() (string, error) {
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return p.storage.GetDiskID()
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}
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func (p *xlStorageDiskIDCheck) SetDiskID(id string) {
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p.diskID = id
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}
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func (p *xlStorageDiskIDCheck) checkDiskStale() error {
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if p.diskID == "" {
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// For empty disk-id we allow the call as the server might be
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// coming up and trying to read format.json or create format.json
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return nil
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}
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storedDiskID, err := p.storage.GetDiskID()
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if err != nil {
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// return any error generated while reading `format.json`
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return err
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}
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if err == nil && p.diskID == storedDiskID {
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return nil
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}
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// not the same disk we remember, take it offline.
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return errDiskNotFound
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}
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func (p *xlStorageDiskIDCheck) DiskInfo(ctx context.Context) (info DiskInfo, err error) {
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info, err = p.storage.DiskInfo(ctx)
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if err != nil {
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return info, err
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}
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// check cached diskID against backend
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// only if its non-empty.
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if p.diskID != "" {
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if p.diskID != info.ID {
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return info, errDiskNotFound
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}
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}
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return info, nil
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}
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func (p *xlStorageDiskIDCheck) MakeVolBulk(ctx context.Context, volumes ...string) (err error) {
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if err = p.checkDiskStale(); err != nil {
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return err
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}
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return p.storage.MakeVolBulk(ctx, volumes...)
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}
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func (p *xlStorageDiskIDCheck) MakeVol(ctx context.Context, volume string) (err error) {
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if err = p.checkDiskStale(); err != nil {
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return err
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}
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return p.storage.MakeVol(ctx, volume)
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}
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func (p *xlStorageDiskIDCheck) ListVols(ctx context.Context) ([]VolInfo, error) {
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if err := p.checkDiskStale(); err != nil {
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return nil, err
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}
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return p.storage.ListVols(ctx)
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}
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func (p *xlStorageDiskIDCheck) StatVol(ctx context.Context, volume string) (vol VolInfo, err error) {
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if err = p.checkDiskStale(); err != nil {
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return vol, err
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}
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return p.storage.StatVol(ctx, volume)
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}
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func (p *xlStorageDiskIDCheck) DeleteVol(ctx context.Context, volume string, forceDelete bool) (err error) {
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if err = p.checkDiskStale(); err != nil {
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return err
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}
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return p.storage.DeleteVol(ctx, volume, forceDelete)
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}
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func (p *xlStorageDiskIDCheck) WalkVersions(ctx context.Context, volume, dirPath, marker string, recursive bool, endWalkCh <-chan struct{}) (chan FileInfoVersions, error) {
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if err := p.checkDiskStale(); err != nil {
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return nil, err
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}
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return p.storage.WalkVersions(ctx, volume, dirPath, marker, recursive, endWalkCh)
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}
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func (p *xlStorageDiskIDCheck) ListDir(ctx context.Context, volume, dirPath string, count int) ([]string, error) {
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if err := p.checkDiskStale(); err != nil {
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return nil, err
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}
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return p.storage.ListDir(ctx, volume, dirPath, count)
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}
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func (p *xlStorageDiskIDCheck) ReadFile(ctx context.Context, volume string, path string, offset int64, buf []byte, verifier *BitrotVerifier) (n int64, err error) {
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if err := p.checkDiskStale(); err != nil {
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return 0, err
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}
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return p.storage.ReadFile(ctx, volume, path, offset, buf, verifier)
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}
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func (p *xlStorageDiskIDCheck) AppendFile(ctx context.Context, volume string, path string, buf []byte) (err error) {
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if err = p.checkDiskStale(); err != nil {
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return err
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}
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return p.storage.AppendFile(ctx, volume, path, buf)
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}
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func (p *xlStorageDiskIDCheck) CreateFile(ctx context.Context, volume, path string, size int64, reader io.Reader) error {
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if err := p.checkDiskStale(); err != nil {
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return err
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}
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return p.storage.CreateFile(ctx, volume, path, size, reader)
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}
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func (p *xlStorageDiskIDCheck) ReadFileStream(ctx context.Context, volume, path string, offset, length int64) (io.ReadCloser, error) {
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if err := p.checkDiskStale(); err != nil {
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return nil, err
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}
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return p.storage.ReadFileStream(ctx, volume, path, offset, length)
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}
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func (p *xlStorageDiskIDCheck) RenameFile(ctx context.Context, srcVolume, srcPath, dstVolume, dstPath string) error {
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if err := p.checkDiskStale(); err != nil {
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return err
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}
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return p.storage.RenameFile(ctx, srcVolume, srcPath, dstVolume, dstPath)
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}
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func (p *xlStorageDiskIDCheck) RenameData(ctx context.Context, srcVolume, srcPath, dataDir, dstVolume, dstPath string) error {
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if err := p.checkDiskStale(); err != nil {
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return err
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}
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return p.storage.RenameData(ctx, srcVolume, srcPath, dataDir, dstVolume, dstPath)
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}
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func (p *xlStorageDiskIDCheck) CheckParts(ctx context.Context, volume string, path string, fi FileInfo) (err error) {
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if err = p.checkDiskStale(); err != nil {
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return err
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}
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return p.storage.CheckParts(ctx, volume, path, fi)
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}
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func (p *xlStorageDiskIDCheck) CheckFile(ctx context.Context, volume string, path string) (err error) {
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if err = p.checkDiskStale(); err != nil {
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return err
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}
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return p.storage.CheckFile(ctx, volume, path)
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}
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func (p *xlStorageDiskIDCheck) Delete(ctx context.Context, volume string, path string, recursive bool) (err error) {
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if err = p.checkDiskStale(); err != nil {
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return err
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}
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return p.storage.Delete(ctx, volume, path, recursive)
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}
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func (p *xlStorageDiskIDCheck) DeleteVersions(ctx context.Context, volume string, versions []FileInfo) (errs []error) {
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if err := p.checkDiskStale(); 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 p.storage.DeleteVersions(ctx, volume, versions)
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}
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func (p *xlStorageDiskIDCheck) VerifyFile(ctx context.Context, volume, path string, fi FileInfo) error {
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if err := p.checkDiskStale(); err != nil {
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return err
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}
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return p.storage.VerifyFile(ctx, volume, path, fi)
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}
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func (p *xlStorageDiskIDCheck) WriteAll(ctx context.Context, volume string, path string, b []byte) (err error) {
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if err = p.checkDiskStale(); err != nil {
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return err
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}
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return p.storage.WriteAll(ctx, volume, path, b)
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}
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func (p *xlStorageDiskIDCheck) DeleteVersion(ctx context.Context, volume, path string, fi FileInfo) (err error) {
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if err = p.checkDiskStale(); err != nil {
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return err
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}
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return p.storage.DeleteVersion(ctx, volume, path, fi)
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}
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func (p *xlStorageDiskIDCheck) WriteMetadata(ctx context.Context, volume, path string, fi FileInfo) (err error) {
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if err = p.checkDiskStale(); err != nil {
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return err
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}
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return p.storage.WriteMetadata(ctx, volume, path, fi)
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}
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func (p *xlStorageDiskIDCheck) ReadVersion(ctx context.Context, volume, path, versionID string) (fi FileInfo, err error) {
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if err = p.checkDiskStale(); err != nil {
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return fi, err
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}
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return p.storage.ReadVersion(ctx, volume, path, versionID)
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}
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func (p *xlStorageDiskIDCheck) ReadAll(ctx context.Context, volume string, path string) (buf []byte, err error) {
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if err = p.checkDiskStale(); err != nil {
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return nil, err
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}
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return p.storage.ReadAll(ctx, volume, path)
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}
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