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lib/model, lib/versioner: Drive version cleanup from scanner (fixes #6313) (#6693)

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This change adds a separate config for the cleanup interval, and runs that cleanup from the main folder loop.
This commit is contained in:
Jakob Borg 2020-07-14 10:48:50 +02:00 committed by GitHub
parent 245b4b98c4
commit aedc2d788f
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
15 changed files with 178 additions and 153 deletions
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2
gui/default/index.html
View File

@ -314,6 +314,8 @@
<span ng-switch-when="unknown"><span class="hidden-xs" translate>Unknown</span><span class="visible-xs" aria-label="{{'Unknown' | translate}}"><i class="fas fa-fw fa-question-circle"></i></span></span>
<span ng-switch-when="unshared"><span class="hidden-xs" translate>Unshared</span><span class="visible-xs" aria-label="{{'Unshared' | translate}}"><i class="fas fa-fw fa-unlink"></i></span></span>
<span ng-switch-when="scan-waiting"><span class="hidden-xs" translate>Waiting to Scan</span><span class="visible-xs" aria-label="{{'Waiting to Scan' | translate}}"><i class="fas fa-fw fa-hourglass-half"></i></span></span>
<span ng-switch-when="cleaning"><span class="hidden-xs" translate>Cleaning Versions</span><span class="visible-xs" aria-label="{{'Cleaning Versions' | translate}}"><i class="fas fa-fw fa-recycle"></i></span></span>
<span ng-switch-when="clean-waiting"><span class="hidden-xs" translate>Waiting to Clean</span><span class="visible-xs" aria-label="{{'Waiting to Clean' | translate}}"><i class="fas fa-fw fa-hourglass-half"></i></span></span>
<span ng-switch-when="stopped"><span class="hidden-xs" translate>Stopped</span><span class="visible-xs" aria-label="{{'Stopped' | translate}}"><i class="fas fa-fw fa-stop"></i></span></span>
<span ng-switch-when="scanning">
<span class="hidden-xs" translate>Scanning</span>

4
gui/default/syncthing/core/syncthingController.js
View File

@ -824,7 +824,7 @@ angular.module('syncthing.core')
if (status == 'paused') {
return 'default';
}
if (status === 'syncing' || status === 'sync-preparing' || status === 'scanning') {
if (status === 'syncing' || status === 'sync-preparing' || status === 'scanning' || status === 'cleaning') {
return 'primary';
}
if (status === 'unknown') {
@ -833,7 +833,7 @@ angular.module('syncthing.core')
if (status === 'stopped' || status === 'outofsync' || status === 'error' || status === 'faileditems') {
return 'danger';
}
if (status === 'unshared' || status === 'scan-waiting' || status === 'sync-waiting') {
if (status === 'unshared' || status === 'scan-waiting' || status === 'sync-waiting' || status === 'clean-waiting') {
return 'warning';
}

5
lib/config/folderconfiguration.go
View File

@ -226,6 +226,11 @@ func (f *FolderConfiguration) prepare() {
if f.Versioning.Params == nil {
f.Versioning.Params = make(map[string]string)
}
if f.Versioning.CleanupIntervalS > MaxRescanIntervalS {
f.Versioning.CleanupIntervalS = MaxRescanIntervalS
} else if f.Versioning.CleanupIntervalS < 0 {
f.Versioning.CleanupIntervalS = 0
}
if f.WeakHashThresholdPct == 0 {
f.WeakHashThresholdPct = 25

65
lib/config/versioningconfiguration.go
View File

@ -7,21 +7,28 @@
package config
import (
"encoding/json"
"encoding/xml"
"sort"
"github.com/syncthing/syncthing/lib/util"
)
// VersioningConfiguration is used in the code and for JSON serialization
type VersioningConfiguration struct {
Type string `xml:"type,attr" json:"type"`
Params map[string]string `json:"params"`
Type string `json:"type"`
Params map[string]string `json:"params"`
CleanupIntervalS int `json:"cleanupIntervalS" default:"3600"`
}
type InternalVersioningConfiguration struct {
Type string `xml:"type,attr,omitempty"`
Params []InternalParam `xml:"param"`
// internalVersioningConfiguration is used in XML serialization
type internalVersioningConfiguration struct {
Type string `xml:"type,attr,omitempty"`
Params []internalParam `xml:"param"`
CleanupIntervalS int `xml:"cleanupIntervalS" default:"3600"`
}
type InternalParam struct {
type internalParam struct {
Key string `xml:"key,attr"`
Val string `xml:"val,attr"`
}
@ -35,31 +42,45 @@ func (c VersioningConfiguration) Copy() VersioningConfiguration {
return cp
}
func (c *VersioningConfiguration) UnmarshalJSON(data []byte) error {
util.SetDefaults(c)
type noCustomUnmarshal VersioningConfiguration
ptr := (*noCustomUnmarshal)(c)
return json.Unmarshal(data, ptr)
}
func (c *VersioningConfiguration) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
var intCfg internalVersioningConfiguration
util.SetDefaults(&intCfg)
if err := d.DecodeElement(&intCfg, &start); err != nil {
return err
}
c.fromInternal(intCfg)
return nil
}
func (c *VersioningConfiguration) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
var tmp InternalVersioningConfiguration
return e.Encode(c.toInternal())
}
func (c *VersioningConfiguration) toInternal() internalVersioningConfiguration {
var tmp internalVersioningConfiguration
tmp.Type = c.Type
tmp.CleanupIntervalS = c.CleanupIntervalS
for k, v := range c.Params {
tmp.Params = append(tmp.Params, InternalParam{k, v})
tmp.Params = append(tmp.Params, internalParam{k, v})
}
sort.Slice(tmp.Params, func(a, b int) bool {
return tmp.Params[a].Key < tmp.Params[b].Key
})
return e.EncodeElement(tmp, start)
return tmp
}
func (c *VersioningConfiguration) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
var tmp InternalVersioningConfiguration
err := d.DecodeElement(&tmp, &start)
if err != nil {
return err
}
c.Type = tmp.Type
c.Params = make(map[string]string, len(tmp.Params))
for _, p := range tmp.Params {
func (c *VersioningConfiguration) fromInternal(intCfg internalVersioningConfiguration) {
c.Type = intCfg.Type
c.CleanupIntervalS = intCfg.CleanupIntervalS
c.Params = make(map[string]string, len(intCfg.Params))
for _, p := range intCfg.Params {
c.Params[p.Key] = p.Val
}
return nil
}

67
lib/model/folder.go
View File

@ -29,6 +29,7 @@ import (
"github.com/syncthing/syncthing/lib/stats"
"github.com/syncthing/syncthing/lib/sync"
"github.com/syncthing/syncthing/lib/util"
"github.com/syncthing/syncthing/lib/versioner"
"github.com/syncthing/syncthing/lib/watchaggregator"
"github.com/thejerf/suture"
@ -49,12 +50,14 @@ type folder struct {
ignores *ignore.Matcher
ctx context.Context
scanInterval time.Duration
scanTimer *time.Timer
scanDelay chan time.Duration
initialScanFinished chan struct{}
scanErrors []FileError
scanErrorsMut sync.Mutex
scanInterval time.Duration
scanTimer *time.Timer
scanDelay chan time.Duration
initialScanFinished chan struct{}
scanErrors []FileError
scanErrorsMut sync.Mutex
versionCleanupInterval time.Duration
versionCleanupTimer *time.Timer
pullScheduled chan struct{}
pullPause time.Duration
@ -72,7 +75,8 @@ type folder struct {
watchErr error
watchMut sync.Mutex
puller puller
puller puller
versioner versioner.Versioner
}
type syncRequest struct {
@ -81,10 +85,10 @@ type syncRequest struct {
}
type puller interface {
pull() bool // true when successfull and should not be retried
pull() bool // true when successful and should not be retried
}
func newFolder(model *model, fset *db.FileSet, ignores *ignore.Matcher, cfg config.FolderConfiguration, evLogger events.Logger, ioLimiter *byteSemaphore) folder {
func newFolder(model *model, fset *db.FileSet, ignores *ignore.Matcher, cfg config.FolderConfiguration, evLogger events.Logger, ioLimiter *byteSemaphore, ver versioner.Versioner) folder {
f := folder{
stateTracker: newStateTracker(cfg.ID, evLogger),
FolderConfiguration: cfg,
@ -96,11 +100,13 @@ func newFolder(model *model, fset *db.FileSet, ignores *ignore.Matcher, cfg conf
fset: fset,
ignores: ignores,
scanInterval: time.Duration(cfg.RescanIntervalS) * time.Second,
scanTimer: time.NewTimer(time.Millisecond), // The first scan should be done immediately.
scanDelay: make(chan time.Duration),
initialScanFinished: make(chan struct{}),
scanErrorsMut: sync.NewMutex(),
scanInterval: time.Duration(cfg.RescanIntervalS) * time.Second,
scanTimer: time.NewTimer(0), // The first scan should be done immediately.
scanDelay: make(chan time.Duration),
initialScanFinished: make(chan struct{}),
scanErrorsMut: sync.NewMutex(),
versionCleanupInterval: time.Duration(cfg.Versioning.CleanupIntervalS) * time.Second,
versionCleanupTimer: time.NewTimer(time.Duration(cfg.Versioning.CleanupIntervalS) * time.Second),
pullScheduled: make(chan struct{}, 1), // This needs to be 1-buffered so that we queue a pull if we're busy when it comes.
@ -113,6 +119,8 @@ func newFolder(model *model, fset *db.FileSet, ignores *ignore.Matcher, cfg conf
watchCancel: func() {},
restartWatchChan: make(chan struct{}, 1),
watchMut: sync.NewMutex(),
versioner: ver,
}
f.pullPause = f.pullBasePause()
f.pullFailTimer = time.NewTimer(0)
@ -131,6 +139,7 @@ func (f *folder) serve(ctx context.Context) {
defer func() {
f.scanTimer.Stop()
f.versionCleanupTimer.Stop()
f.setState(FolderIdle)
}()
@ -138,6 +147,14 @@ func (f *folder) serve(ctx context.Context) {
f.startWatch()
}
// If we're configured to not do version cleanup, or we don't have a
// versioner, cancel and drain that timer now.
if f.versionCleanupInterval == 0 || f.versioner == nil {
if !f.versionCleanupTimer.Stop() {
<-f.versionCleanupTimer.C
}
}
initialCompleted := f.initialScanFinished
for {
@ -181,6 +198,10 @@ func (f *folder) serve(ctx context.Context) {
case <-f.restartWatchChan:
l.Debugln(f, "Restart watcher")
f.restartWatch()
case <-f.versionCleanupTimer.C:
l.Debugln(f, "Doing version cleanup")
f.versionCleanupTimerFired()
}
}
}
@ -701,6 +722,24 @@ func (f *folder) scanTimerFired() {
f.Reschedule()
}
func (f *folder) versionCleanupTimerFired() {
f.setState(FolderCleanWaiting)
defer f.setState(FolderIdle)
if err := f.ioLimiter.takeWithContext(f.ctx, 1); err != nil {
return
}
defer f.ioLimiter.give(1)
f.setState(FolderCleaning)
if err := f.versioner.Clean(f.ctx); err != nil {
l.Infoln("Failed to clean versions in %s: %v", f.Description(), err)
}
f.versionCleanupTimer.Reset(f.versionCleanupInterval)
}
func (f *folder) WatchError() error {
f.watchMut.Lock()
defer f.watchMut.Unlock()

2
lib/model/folder_sendonly.go
View File

@ -27,7 +27,7 @@ type sendOnlyFolder struct {
func newSendOnlyFolder(model *model, fset *db.FileSet, ignores *ignore.Matcher, cfg config.FolderConfiguration, _ versioner.Versioner, _ fs.Filesystem, evLogger events.Logger, ioLimiter *byteSemaphore) service {
f := &sendOnlyFolder{
folder: newFolder(model, fset, ignores, cfg, evLogger, ioLimiter),
folder: newFolder(model, fset, ignores, cfg, evLogger, ioLimiter, nil),
}
f.folder.puller = f
f.folder.Service = util.AsService(f.serve, f.String())

6
lib/model/folder_sendrecv.go
View File

@ -123,8 +123,7 @@ type dbUpdateJob struct {
type sendReceiveFolder struct {
folder
fs fs.Filesystem
versioner versioner.Versioner
fs fs.Filesystem
queue *jobQueue
blockPullReorderer blockPullReorderer
@ -137,9 +136,8 @@ type sendReceiveFolder struct {
func newSendReceiveFolder(model *model, fset *db.FileSet, ignores *ignore.Matcher, cfg config.FolderConfiguration, ver versioner.Versioner, fs fs.Filesystem, evLogger events.Logger, ioLimiter *byteSemaphore) service {
f := &sendReceiveFolder{
folder: newFolder(model, fset, ignores, cfg, evLogger, ioLimiter),
folder: newFolder(model, fset, ignores, cfg, evLogger, ioLimiter, ver),
fs: fs,
versioner: ver,
queue: newJobQueue(),
blockPullReorderer: newBlockPullReorderer(cfg.BlockPullOrder, model.id, cfg.DeviceIDs()),
writeLimiter: newByteSemaphore(cfg.MaxConcurrentWrites),

6
lib/model/folderstate.go
View File

@ -22,6 +22,8 @@ const (
FolderSyncWaiting
FolderSyncPreparing
FolderSyncing
FolderCleaning
FolderCleanWaiting
FolderError
)
@ -39,6 +41,10 @@ func (s folderState) String() string {
return "sync-preparing"
case FolderSyncing:
return "syncing"
case FolderCleaning:
return "cleaning"
case FolderCleanWaiting:
return "clean-waiting"
case FolderError:
return "error"
default:

52
lib/model/model.go
View File

@ -133,15 +133,15 @@ type model struct {
folderIOLimiter *byteSemaphore
// fields protected by fmut
fmut sync.RWMutex
folderCfgs map[string]config.FolderConfiguration // folder -> cfg
folderFiles map[string]*db.FileSet // folder -> files
deviceStatRefs map[protocol.DeviceID]*stats.DeviceStatisticsReference // deviceID -> statsRef
folderIgnores map[string]*ignore.Matcher // folder -> matcher object
folderRunners map[string]service // folder -> puller or scanner
folderRunnerTokens map[string][]suture.ServiceToken // folder -> tokens for puller or scanner
folderRestartMuts syncMutexMap // folder -> restart mutex
folderVersioners map[string]versioner.Versioner // folder -> versioner (may be nil)
fmut sync.RWMutex
folderCfgs map[string]config.FolderConfiguration // folder -> cfg
folderFiles map[string]*db.FileSet // folder -> files
deviceStatRefs map[protocol.DeviceID]*stats.DeviceStatisticsReference // deviceID -> statsRef
folderIgnores map[string]*ignore.Matcher // folder -> matcher object
folderRunners map[string]service // folder -> puller or scanner
folderRunnerToken map[string]suture.ServiceToken // folder -> token for folder runner
folderRestartMuts syncMutexMap // folder -> restart mutex
folderVersioners map[string]versioner.Versioner // folder -> versioner (may be nil)
// fields protected by pmut
pmut sync.RWMutex
@ -207,14 +207,14 @@ func NewModel(cfg config.Wrapper, id protocol.DeviceID, clientName, clientVersio
folderIOLimiter: newByteSemaphore(cfg.Options().MaxFolderConcurrency()),
// fields protected by fmut
fmut: sync.NewRWMutex(),
folderCfgs: make(map[string]config.FolderConfiguration),
folderFiles: make(map[string]*db.FileSet),
deviceStatRefs: make(map[protocol.DeviceID]*stats.DeviceStatisticsReference),
folderIgnores: make(map[string]*ignore.Matcher),
folderRunners: make(map[string]service),
folderRunnerTokens: make(map[string][]suture.ServiceToken),
folderVersioners: make(map[string]versioner.Versioner),
fmut: sync.NewRWMutex(),
folderCfgs: make(map[string]config.FolderConfiguration),
folderFiles: make(map[string]*db.FileSet),
deviceStatRefs: make(map[protocol.DeviceID]*stats.DeviceStatisticsReference),
folderIgnores: make(map[string]*ignore.Matcher),
folderRunners: make(map[string]service),
folderRunnerToken: make(map[string]suture.ServiceToken),
folderVersioners: make(map[string]versioner.Versioner),
// fields protected by pmut
pmut: sync.NewRWMutex(),
@ -346,13 +346,6 @@ func (m *model) addAndStartFolderLockedWithIgnores(cfg config.FolderConfiguratio
if err != nil {
panic(fmt.Errorf("creating versioner: %w", err))
}
if service, ok := ver.(suture.Service); ok {
// The versioner implements the suture.Service interface, so
// expects to be run in the background in addition to being called
// when files are going to be archived.
token := m.Add(service)
m.folderRunnerTokens[folder] = append(m.folderRunnerTokens[folder], token)
}
}
m.folderVersioners[folder] = ver
@ -362,8 +355,7 @@ func (m *model) addAndStartFolderLockedWithIgnores(cfg config.FolderConfiguratio
m.warnAboutOverwritingProtectedFiles(cfg, ignores)
token := m.Add(p)
m.folderRunnerTokens[folder] = append(m.folderRunnerTokens[folder], token)
m.folderRunnerToken[folder] = m.Add(p)
l.Infof("Ready to synchronize %s (%s)", cfg.Description(), cfg.Type)
}
@ -430,11 +422,11 @@ func (m *model) stopFolder(cfg config.FolderConfiguration, err error) {
// Stop the services running for this folder and wait for them to finish
// stopping to prevent races on restart.
m.fmut.RLock()
tokens := m.folderRunnerTokens[cfg.ID]
token, ok := m.folderRunnerToken[cfg.ID]
m.fmut.RUnlock()
for _, id := range tokens {
m.RemoveAndWait(id, 0)
if ok {
m.RemoveAndWait(token, 0)
}
// Wait for connections to stop to ensure that no more calls to methods
@ -449,7 +441,7 @@ func (m *model) cleanupFolderLocked(cfg config.FolderConfiguration) {
delete(m.folderFiles, cfg.ID)
delete(m.folderIgnores, cfg.ID)
delete(m.folderRunners, cfg.ID)
delete(m.folderRunnerTokens, cfg.ID)
delete(m.folderRunnerToken, cfg.ID)
delete(m.folderVersioners, cfg.ID)
}

5
lib/versioner/external.go
View File

@ -7,6 +7,7 @@
package versioner
import (
"context"
"errors"
"os"
"os/exec"
@ -115,3 +116,7 @@ func (v external) GetVersions() (map[string][]FileVersion, error) {
func (v external) Restore(filePath string, versionTime time.Time) error {
return ErrRestorationNotSupported
}
func (v external) Clean(_ context.Context) error {
return nil
}

5
lib/versioner/simple.go
View File

@ -7,6 +7,7 @@
package versioner
import (
"context"
"strconv"
"time"
@ -73,3 +74,7 @@ func (v simple) GetVersions() (map[string][]FileVersion, error) {
func (v simple) Restore(filepath string, versionTime time.Time) error {
return restoreFile(v.copyRangeMethod, v.versionsFs, v.folderFs, filepath, versionTime, TagFilename)
}
func (v simple) Clean(_ context.Context) error {
return nil
}

62
lib/versioner/staggered.go
View File

@ -13,12 +13,8 @@ import (
"strconv"
"time"
"github.com/thejerf/suture"
"github.com/syncthing/syncthing/lib/config"
"github.com/syncthing/syncthing/lib/fs"
"github.com/syncthing/syncthing/lib/sync"
"github.com/syncthing/syncthing/lib/util"
)
func init() {
@ -32,15 +28,10 @@ type interval struct {
}
type staggered struct {
suture.Service
cleanInterval int64
folderFs fs.Filesystem
versionsFs fs.Filesystem
interval [4]interval
copyRangeMethod fs.CopyRangeMethod
mutex sync.Mutex
testCleanDone chan struct{}
}
func newStaggered(cfg config.FolderConfiguration) Versioner {
@ -49,19 +40,14 @@ func newStaggered(cfg config.FolderConfiguration) Versioner {
if err != nil {
maxAge = 31536000 // Default: ~1 year
}
cleanInterval, err := strconv.ParseInt(params["cleanInterval"], 10, 0)
if err != nil {
cleanInterval = 3600 // Default: clean once per hour
}
// Backwards compatibility
params["fsPath"] = params["versionsPath"]
versionsFs := versionerFsFromFolderCfg(cfg)
s := &staggered{
cleanInterval: cleanInterval,
folderFs: cfg.Filesystem(),
versionsFs: versionsFs,
folderFs: cfg.Filesystem(),
versionsFs: versionsFs,
interval: [4]interval{
{30, 60 * 60}, // first hour -> 30 sec between versions
{60 * 60, 24 * 60 * 60}, // next day -> 1 h between versions
@ -69,41 +55,18 @@ func newStaggered(cfg config.FolderConfiguration) Versioner {
{7 * 24 * 60 * 60, maxAge}, // next year -> 1 week between versions
},
copyRangeMethod: cfg.CopyRangeMethod,
mutex: sync.NewMutex(),
}
s.Service = util.AsService(s.serve, s.String())
l.Debugf("instantiated %#v", s)
return s
}
func (v *staggered) serve(ctx context.Context) {
v.clean()
if v.testCleanDone != nil {
close(v.testCleanDone)
}
tck := time.NewTicker(time.Duration(v.cleanInterval) * time.Second)
defer tck.Stop()
for {
select {
case <-tck.C:
v.clean()
case <-ctx.Done():
return
}
}
}
func (v *staggered) clean() {
l.Debugln("Versioner clean: Waiting for lock on", v.versionsFs)
v.mutex.Lock()
defer v.mutex.Unlock()
func (v *staggered) Clean(ctx context.Context) error {
l.Debugln("Versioner clean: Cleaning", v.versionsFs)
if _, err := v.versionsFs.Stat("."); fs.IsNotExist(err) {
// There is no need to clean a nonexistent dir.
return
return nil
}
versionsPerFile := make(map[string][]string)
@ -113,6 +76,11 @@ func (v *staggered) clean() {
if err != nil {
return err
}
select {
case <-ctx.Done():
return ctx.Err()
default:
}
if f.IsDir() && !f.IsSymlink() {
dirTracker.addDir(path)
@ -134,16 +102,22 @@ func (v *staggered) clean() {
if err := v.versionsFs.Walk(".", walkFn); err != nil {
l.Warnln("Versioner: error scanning versions dir", err)
return
return err
}
for _, versionList := range versionsPerFile {
select {
case <-ctx.Done():
return ctx.Err()
default:
}
v.expire(versionList)
}
dirTracker.deleteEmptyDirs(v.versionsFs)
l.Debugln("Cleaner: Finished cleaning", v.versionsFs)
return nil
}
func (v *staggered) expire(versions []string) {
@ -216,10 +190,6 @@ func (v *staggered) toRemove(versions []string, now time.Time) []string {
// Archive moves the named file away to a version archive. If this function
// returns nil, the named file does not exist any more (has been archived).
func (v *staggered) Archive(filePath string) error {
l.Debugln("Waiting for lock on ", v.versionsFs)
v.mutex.Lock()
defer v.mutex.Unlock()
if err := archiveFile(v.copyRangeMethod, v.folderFs, v.versionsFs, filePath, TagFilename); err != nil {
return err
}

43
lib/versioner/trashcan.go
View File

@ -12,11 +12,8 @@ import (
"strconv"
"time"
"github.com/thejerf/suture"
"github.com/syncthing/syncthing/lib/config"
"github.com/syncthing/syncthing/lib/fs"
"github.com/syncthing/syncthing/lib/util"
)
func init() {
@ -25,7 +22,6 @@ func init() {
}
type trashcan struct {
suture.Service
folderFs fs.Filesystem
versionsFs fs.Filesystem
cleanoutDays int
@ -42,7 +38,6 @@ func newTrashcan(cfg config.FolderConfiguration) Versioner {
cleanoutDays: cleanoutDays,
copyRangeMethod: cfg.CopyRangeMethod,
}
s.Service = util.AsService(s.serve, s.String())
l.Debugf("instantiated %#v", s)
return s
@ -56,37 +51,16 @@ func (t *trashcan) Archive(filePath string) error {
})
}
func (t *trashcan) serve(ctx context.Context) {
l.Debugln(t, "starting")
defer l.Debugln(t, "stopping")
// Do the first cleanup one minute after startup.
timer := time.NewTimer(time.Minute)
defer timer.Stop()
for {
select {
case <-ctx.Done():
return
case <-timer.C:
if t.cleanoutDays > 0 {
if err := t.cleanoutArchive(); err != nil {
l.Infoln("Cleaning trashcan:", err)
}
}
// Cleanups once a day should be enough.
timer.Reset(24 * time.Hour)
}
}
}
func (t *trashcan) String() string {
return fmt.Sprintf("trashcan@%p", t)
}
func (t *trashcan) cleanoutArchive() error {
func (t *trashcan) Clean(ctx context.Context) error {
if t.cleanoutDays <= 0 {
// no cleanout requested
return nil
}
if _, err := t.versionsFs.Lstat("."); fs.IsNotExist(err) {
return nil
}
@ -98,6 +72,11 @@ func (t *trashcan) cleanoutArchive() error {
if err != nil {
return err
}
select {
case <-ctx.Done():
return ctx.Err()
default:
}
if info.IsDir() && !info.IsSymlink() {
dirTracker.addDir(path)

5
lib/versioner/trashcan_test.go
View File

@ -7,13 +7,14 @@
package versioner
import (
"github.com/syncthing/syncthing/lib/config"
"context"
"io/ioutil"
"os"
"path/filepath"
"testing"
"time"
"github.com/syncthing/syncthing/lib/config"
"github.com/syncthing/syncthing/lib/fs"
)
@ -65,7 +66,7 @@ func TestTrashcanCleanout(t *testing.T) {
}
versioner := newTrashcan(cfg).(*trashcan)
if err := versioner.cleanoutArchive(); err != nil {
if err := versioner.Clean(context.Background()); err != nil {
t.Fatal(err)
}

2
lib/versioner/versioner.go
View File

@ -9,6 +9,7 @@
package versioner
import (
"context"
"errors"
"fmt"
"time"
@ -20,6 +21,7 @@ type Versioner interface {
Archive(filePath string) error
GetVersions() (map[string][]FileVersion, error)
Restore(filePath string, versionTime time.Time) error
Clean(context.Context) error
}
type FileVersion struct {