mirror of
https://github.com/octoleo/restic.git
synced 2024-11-23 05:12:10 +00:00
Merge pull request #214 from restic/fix-fsck
Add checker and command 'check' to replace 'fsck'
This commit is contained in:
Alexander Neumann
commit
2cc5318c46
2
Godeps/_workspace/src/github.com/pkg/sftp/debug.go
generated
vendored
2
Godeps/_workspace/src/github.com/pkg/sftp/debug.go
generated
vendored
@ -1,4 +1,4 @@
|
||||
// +build debug
|
||||
// +build debug_sftp
|
||||
|
||||
package sftp
|
||||
|
||||
|
||||
2
Godeps/_workspace/src/github.com/pkg/sftp/release.go
generated
vendored
2
Godeps/_workspace/src/github.com/pkg/sftp/release.go
generated
vendored
@ -1,4 +1,4 @@
|
||||
// +build !debug
|
||||
// +build !debug_sftp
|
||||
|
||||
package sftp
|
||||
|
||||
|
||||
@ -62,16 +62,18 @@ afterwards you'll find the binary in the current directory:
|
||||
backup save file/directory
|
||||
cache manage cache
|
||||
cat dump something
|
||||
check check the repository
|
||||
find find a file/directory
|
||||
fsck check the repository
|
||||
init create repository
|
||||
key manage keys
|
||||
list lists data
|
||||
ls list files
|
||||
restore restore a snapshot
|
||||
snapshots show snapshots
|
||||
unlock remove locks
|
||||
version display version
|
||||
|
||||
|
||||
Contribute and Documentation
|
||||
============================
|
||||
|
||||
|
||||
@ -1,75 +0,0 @@
|
||||
package backend
|
||||
|
||||
import (
|
||||
"errors"
|
||||
"sort"
|
||||
"sync"
|
||||
)
|
||||
|
||||
type IDSet struct {
|
||||
list IDs
|
||||
m sync.Mutex
|
||||
}
|
||||
|
||||
func NewIDSet() *IDSet {
|
||||
return &IDSet{
|
||||
list: make(IDs, 0),
|
||||
}
|
||||
}
|
||||
|
||||
func (s *IDSet) find(id ID) (int, error) {
|
||||
pos := sort.Search(len(s.list), func(i int) bool {
|
||||
return id.Compare(s.list[i]) >= 0
|
||||
})
|
||||
|
||||
if pos < len(s.list) {
|
||||
candID := s.list[pos]
|
||||
if id.Compare(candID) == 0 {
|
||||
return pos, nil
|
||||
}
|
||||
}
|
||||
|
||||
return pos, errors.New("ID not found")
|
||||
}
|
||||
|
||||
func (s *IDSet) insert(id ID) {
|
||||
pos, err := s.find(id)
|
||||
if err == nil {
|
||||
// already present
|
||||
return
|
||||
}
|
||||
|
||||
// insert blob
|
||||
// https://code.google.com/p/go-wiki/wiki/SliceTricks
|
||||
s.list = append(s.list, ID{})
|
||||
copy(s.list[pos+1:], s.list[pos:])
|
||||
s.list[pos] = id
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
func (s *IDSet) Insert(id ID) {
|
||||
s.m.Lock()
|
||||
defer s.m.Unlock()
|
||||
|
||||
s.insert(id)
|
||||
}
|
||||
|
||||
func (s *IDSet) Find(id ID) error {
|
||||
s.m.Lock()
|
||||
defer s.m.Unlock()
|
||||
|
||||
_, err := s.find(id)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func (s *IDSet) Len() int {
|
||||
s.m.Lock()
|
||||
defer s.m.Unlock()
|
||||
|
||||
return len(s.list)
|
||||
}
|
||||
@ -1,41 +0,0 @@
|
||||
package backend_test
|
||||
|
||||
import (
|
||||
"crypto/rand"
|
||||
"io"
|
||||
"testing"
|
||||
|
||||
"github.com/restic/restic/backend"
|
||||
. "github.com/restic/restic/test"
|
||||
)
|
||||
|
||||
func randomID() []byte {
|
||||
buf := make([]byte, backend.IDSize)
|
||||
_, err := io.ReadFull(rand.Reader, buf)
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
return buf
|
||||
}
|
||||
|
||||
func TestSet(t *testing.T) {
|
||||
s := backend.NewIDSet()
|
||||
|
||||
testID := randomID()
|
||||
err := s.Find(testID)
|
||||
Assert(t, err != nil, "found test ID in IDSet before insertion")
|
||||
|
||||
for i := 0; i < 238; i++ {
|
||||
s.Insert(randomID())
|
||||
}
|
||||
|
||||
s.Insert(testID)
|
||||
OK(t, s.Find(testID))
|
||||
|
||||
for i := 0; i < 80; i++ {
|
||||
s.Insert(randomID())
|
||||
}
|
||||
|
||||
s.Insert(testID)
|
||||
OK(t, s.Find(testID))
|
||||
}
|
||||
601
checker/checker.go
Normal file
601
checker/checker.go
Normal file
@ -0,0 +1,601 @@
|
||||
package checker
|
||||
|
||||
import (
|
||||
"encoding/hex"
|
||||
"errors"
|
||||
"fmt"
|
||||
"sync"
|
||||
|
||||
"github.com/restic/restic"
|
||||
"github.com/restic/restic/backend"
|
||||
"github.com/restic/restic/debug"
|
||||
"github.com/restic/restic/repository"
|
||||
)
|
||||
|
||||
type mapID [backend.IDSize]byte
|
||||
|
||||
func id2map(id backend.ID) (mid mapID) {
|
||||
copy(mid[:], id)
|
||||
return
|
||||
}
|
||||
|
||||
func str2map(s string) (mid mapID, err error) {
|
||||
data, err := hex.DecodeString(s)
|
||||
if err != nil {
|
||||
return mid, err
|
||||
}
|
||||
|
||||
return id2map(data), nil
|
||||
}
|
||||
|
||||
func map2str(id mapID) string {
|
||||
return hex.EncodeToString(id[:])
|
||||
}
|
||||
|
||||
func map2id(id mapID) backend.ID {
|
||||
return backend.ID(id[:])
|
||||
}
|
||||
|
||||
// Checker runs various checks on a repository. It is advisable to create an
|
||||
// exclusive Lock in the repository before running any checks.
|
||||
//
|
||||
// A Checker only tests for internal errors within the data structures of the
|
||||
// repository (e.g. missing blobs), and needs a valid Repository to work on.
|
||||
type Checker struct {
|
||||
packs map[mapID]struct{}
|
||||
blobs map[mapID]struct{}
|
||||
blobRefs struct {
|
||||
sync.Mutex
|
||||
M map[mapID]uint
|
||||
}
|
||||
indexes map[mapID]*repository.Index
|
||||
orphanedPacks backend.IDs
|
||||
|
||||
masterIndex *repository.Index
|
||||
|
||||
repo *repository.Repository
|
||||
}
|
||||
|
||||
// New returns a new checker which runs on repo.
|
||||
func New(repo *repository.Repository) *Checker {
|
||||
c := &Checker{
|
||||
packs: make(map[mapID]struct{}),
|
||||
blobs: make(map[mapID]struct{}),
|
||||
masterIndex: repository.NewIndex(),
|
||||
indexes: make(map[mapID]*repository.Index),
|
||||
repo: repo,
|
||||
}
|
||||
|
||||
c.blobRefs.M = make(map[mapID]uint)
|
||||
|
||||
return c
|
||||
}
|
||||
|
||||
const defaultParallelism = 40
|
||||
|
||||
// LoadIndex loads all index files.
|
||||
func (c *Checker) LoadIndex() error {
|
||||
debug.Log("LoadIndex", "Start")
|
||||
type indexRes struct {
|
||||
Index *repository.Index
|
||||
ID string
|
||||
}
|
||||
|
||||
indexCh := make(chan indexRes)
|
||||
|
||||
worker := func(id string, done <-chan struct{}) error {
|
||||
debug.Log("LoadIndex", "worker got index %v", id)
|
||||
idx, err := repository.LoadIndex(c.repo, id)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
select {
|
||||
case indexCh <- indexRes{Index: idx, ID: id}:
|
||||
case <-done:
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
var perr error
|
||||
go func() {
|
||||
defer close(indexCh)
|
||||
debug.Log("LoadIndex", "start loading indexes in parallel")
|
||||
perr = repository.FilesInParallel(c.repo.Backend(), backend.Index, defaultParallelism, worker)
|
||||
debug.Log("LoadIndex", "loading indexes finished, error: %v", perr)
|
||||
}()
|
||||
|
||||
done := make(chan struct{})
|
||||
defer close(done)
|
||||
|
||||
for res := range indexCh {
|
||||
debug.Log("LoadIndex", "process index %v", res.ID)
|
||||
id, err := str2map(res.ID)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
c.indexes[id] = res.Index
|
||||
c.masterIndex.Merge(res.Index)
|
||||
|
||||
debug.Log("LoadIndex", "process blobs")
|
||||
cnt := 0
|
||||
for blob := range res.Index.Each(done) {
|
||||
c.packs[id2map(blob.PackID)] = struct{}{}
|
||||
c.blobs[id2map(blob.ID)] = struct{}{}
|
||||
c.blobRefs.M[id2map(blob.ID)] = 0
|
||||
cnt++
|
||||
}
|
||||
|
||||
debug.Log("LoadIndex", "%d blobs processed", cnt)
|
||||
}
|
||||
|
||||
debug.Log("LoadIndex", "done, error %v", perr)
|
||||
|
||||
c.repo.SetIndex(c.masterIndex)
|
||||
|
||||
return perr
|
||||
}
|
||||
|
||||
// PackError describes an error with a specific pack.
|
||||
type PackError struct {
|
||||
ID backend.ID
|
||||
Orphaned bool
|
||||
Err error
|
||||
}
|
||||
|
||||
func (e PackError) Error() string {
|
||||
return "pack " + e.ID.String() + ": " + e.Err.Error()
|
||||
}
|
||||
|
||||
func packIDTester(repo *repository.Repository, inChan <-chan mapID, errChan chan<- error, wg *sync.WaitGroup, done <-chan struct{}) {
|
||||
debug.Log("Checker.testPackID", "worker start")
|
||||
defer debug.Log("Checker.testPackID", "worker done")
|
||||
|
||||
defer wg.Done()
|
||||
|
||||
for id := range inChan {
|
||||
ok, err := repo.Backend().Test(backend.Data, map2str(id))
|
||||
if err != nil {
|
||||
err = PackError{ID: map2id(id), Err: err}
|
||||
} else {
|
||||
if !ok {
|
||||
err = PackError{ID: map2id(id), Err: errors.New("does not exist")}
|
||||
}
|
||||
}
|
||||
|
||||
if err != nil {
|
||||
debug.Log("Checker.testPackID", "error checking for pack %s: %v", map2id(id).Str(), err)
|
||||
select {
|
||||
case <-done:
|
||||
return
|
||||
case errChan <- err:
|
||||
}
|
||||
|
||||
continue
|
||||
}
|
||||
|
||||
debug.Log("Checker.testPackID", "pack %s exists", map2id(id).Str())
|
||||
}
|
||||
}
|
||||
|
||||
func collectErrors(in <-chan error, out chan<- []error, done <-chan struct{}) {
|
||||
var errs []error
|
||||
|
||||
outer:
|
||||
for {
|
||||
select {
|
||||
case err, ok := <-in:
|
||||
if !ok {
|
||||
break outer
|
||||
}
|
||||
errs = append(errs, err)
|
||||
case <-done:
|
||||
break outer
|
||||
}
|
||||
}
|
||||
|
||||
out <- errs
|
||||
}
|
||||
|
||||
// Packs checks that all packs referenced in the index are still available and
|
||||
// there are no packs that aren't in an index. errChan is closed after all
|
||||
// packs have been checked.
|
||||
func (c *Checker) Packs(errChan chan<- error, done <-chan struct{}) {
|
||||
defer close(errChan)
|
||||
|
||||
debug.Log("Checker.Packs", "checking for %d packs", len(c.packs))
|
||||
seenPacks := make(map[mapID]struct{})
|
||||
|
||||
var workerWG sync.WaitGroup
|
||||
|
||||
IDChan := make(chan mapID)
|
||||
for i := 0; i < defaultParallelism; i++ {
|
||||
workerWG.Add(1)
|
||||
go packIDTester(c.repo, IDChan, errChan, &workerWG, done)
|
||||
}
|
||||
|
||||
for id := range c.packs {
|
||||
seenPacks[id] = struct{}{}
|
||||
IDChan <- id
|
||||
}
|
||||
close(IDChan)
|
||||
|
||||
debug.Log("Checker.Packs", "waiting for %d workers to terminate", defaultParallelism)
|
||||
workerWG.Wait()
|
||||
debug.Log("Checker.Packs", "workers terminated")
|
||||
|
||||
for id := range c.repo.List(backend.Data, done) {
|
||||
debug.Log("Checker.Packs", "check data blob %v", id.Str())
|
||||
if _, ok := seenPacks[id2map(id)]; !ok {
|
||||
c.orphanedPacks = append(c.orphanedPacks, id)
|
||||
select {
|
||||
case <-done:
|
||||
return
|
||||
case errChan <- PackError{ID: id, Orphaned: true, Err: errors.New("not referenced in any index")}:
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Error is an error that occurred while checking a repository.
|
||||
type Error struct {
|
||||
TreeID backend.ID
|
||||
BlobID backend.ID
|
||||
Err error
|
||||
}
|
||||
|
||||
func (e Error) Error() string {
|
||||
if e.BlobID != nil && e.TreeID != nil {
|
||||
msg := "tree " + e.TreeID.String()
|
||||
msg += ", blob " + e.BlobID.String()
|
||||
msg += ": " + e.Err.Error()
|
||||
return msg
|
||||
}
|
||||
|
||||
if e.TreeID != nil {
|
||||
return "tree " + e.TreeID.String() + ": " + e.Err.Error()
|
||||
}
|
||||
|
||||
return e.Err.Error()
|
||||
}
|
||||
|
||||
func loadTreeFromSnapshot(repo *repository.Repository, id backend.ID) (backend.ID, error) {
|
||||
sn, err := restic.LoadSnapshot(repo, id)
|
||||
if err != nil {
|
||||
debug.Log("Checker.loadTreeFromSnapshot", "error loading snapshot %v: %v", id.Str(), err)
|
||||
return nil, err
|
||||
}
|
||||
|
||||
if sn.Tree == nil {
|
||||
debug.Log("Checker.loadTreeFromSnapshot", "snapshot %v has no tree", id.Str())
|
||||
return nil, fmt.Errorf("snapshot %v has no tree", id)
|
||||
}
|
||||
|
||||
return sn.Tree, nil
|
||||
}
|
||||
|
||||
// loadSnapshotTreeIDs loads all snapshots from backend and returns the tree IDs.
|
||||
func loadSnapshotTreeIDs(repo *repository.Repository) (backend.IDs, []error) {
|
||||
var trees struct {
|
||||
IDs backend.IDs
|
||||
sync.Mutex
|
||||
}
|
||||
|
||||
var errs struct {
|
||||
errs []error
|
||||
sync.Mutex
|
||||
}
|
||||
|
||||
snapshotWorker := func(strID string, done <-chan struct{}) error {
|
||||
id, err := backend.ParseID(strID)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
debug.Log("Checker.Snaphots", "load snapshot %v", id.Str())
|
||||
|
||||
treeID, err := loadTreeFromSnapshot(repo, id)
|
||||
if err != nil {
|
||||
errs.Lock()
|
||||
errs.errs = append(errs.errs, err)
|
||||
errs.Unlock()
|
||||
return nil
|
||||
}
|
||||
|
||||
debug.Log("Checker.Snaphots", "snapshot %v has tree %v", id.Str(), treeID.Str())
|
||||
trees.Lock()
|
||||
trees.IDs = append(trees.IDs, treeID)
|
||||
trees.Unlock()
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
err := repository.FilesInParallel(repo.Backend(), backend.Snapshot, defaultParallelism, snapshotWorker)
|
||||
if err != nil {
|
||||
errs.errs = append(errs.errs, err)
|
||||
}
|
||||
|
||||
return trees.IDs, errs.errs
|
||||
}
|
||||
|
||||
// TreeError is returned when loading a tree from the repository failed.
|
||||
type TreeError struct {
|
||||
ID backend.ID
|
||||
Errors []error
|
||||
}
|
||||
|
||||
func (e TreeError) Error() string {
|
||||
return fmt.Sprintf("%v: %d errors", e.ID.String(), len(e.Errors))
|
||||
}
|
||||
|
||||
type treeJob struct {
|
||||
backend.ID
|
||||
error
|
||||
*restic.Tree
|
||||
}
|
||||
|
||||
// loadTreeWorker loads trees from repo and sends them to out.
|
||||
func loadTreeWorker(repo *repository.Repository,
|
||||
in <-chan backend.ID, out chan<- treeJob,
|
||||
done <-chan struct{}, wg *sync.WaitGroup) {
|
||||
|
||||
defer func() {
|
||||
debug.Log("checker.loadTreeWorker", "exiting")
|
||||
wg.Done()
|
||||
}()
|
||||
|
||||
var (
|
||||
inCh = in
|
||||
outCh = out
|
||||
job treeJob
|
||||
)
|
||||
|
||||
outCh = nil
|
||||
for {
|
||||
select {
|
||||
case <-done:
|
||||
return
|
||||
|
||||
case treeID, ok := <-inCh:
|
||||
if !ok {
|
||||
return
|
||||
}
|
||||
debug.Log("checker.loadTreeWorker", "load tree %v", treeID.Str())
|
||||
|
||||
tree, err := restic.LoadTree(repo, treeID)
|
||||
debug.Log("checker.loadTreeWorker", "load tree %v (%v) returned err %v", tree, treeID.Str(), err)
|
||||
job = treeJob{ID: treeID, error: err, Tree: tree}
|
||||
outCh = out
|
||||
inCh = nil
|
||||
|
||||
case outCh <- job:
|
||||
debug.Log("checker.loadTreeWorker", "sent tree %v", job.ID.Str())
|
||||
outCh = nil
|
||||
inCh = in
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// checkTreeWorker checks the trees received and sends out errors to errChan.
|
||||
func (c *Checker) checkTreeWorker(in <-chan treeJob, out chan<- TreeError, done <-chan struct{}, wg *sync.WaitGroup) {
|
||||
defer func() {
|
||||
debug.Log("checker.checkTreeWorker", "exiting")
|
||||
wg.Done()
|
||||
}()
|
||||
|
||||
var (
|
||||
inCh = in
|
||||
outCh = out
|
||||
treeError TreeError
|
||||
)
|
||||
|
||||
outCh = nil
|
||||
for {
|
||||
select {
|
||||
case <-done:
|
||||
return
|
||||
|
||||
case job, ok := <-inCh:
|
||||
if !ok {
|
||||
return
|
||||
}
|
||||
|
||||
id := id2map(job.ID)
|
||||
alreadyChecked := false
|
||||
c.blobRefs.Lock()
|
||||
if c.blobRefs.M[id] > 0 {
|
||||
alreadyChecked = true
|
||||
}
|
||||
c.blobRefs.M[id]++
|
||||
debug.Log("checker.checkTreeWorker", "tree %v refcount %d", job.ID.Str(), c.blobRefs.M[id])
|
||||
c.blobRefs.Unlock()
|
||||
|
||||
if alreadyChecked {
|
||||
continue
|
||||
}
|
||||
|
||||
debug.Log("checker.checkTreeWorker", "load tree %v", job.ID.Str())
|
||||
|
||||
errs := c.checkTree(job.ID, job.Tree)
|
||||
if len(errs) > 0 {
|
||||
debug.Log("checker.checkTreeWorker", "checked tree %v: %v errors", job.ID.Str(), len(errs))
|
||||
treeError = TreeError{ID: job.ID, Errors: errs}
|
||||
outCh = out
|
||||
inCh = nil
|
||||
}
|
||||
|
||||
case outCh <- treeError:
|
||||
debug.Log("checker.checkTreeWorker", "tree %v: sent %d errors", treeError.ID, len(treeError.Errors))
|
||||
outCh = nil
|
||||
inCh = in
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func filterTrees(backlog backend.IDs, loaderChan chan<- backend.ID, in <-chan treeJob, out chan<- treeJob, done <-chan struct{}) {
|
||||
defer func() {
|
||||
debug.Log("checker.filterTrees", "closing output channels")
|
||||
close(loaderChan)
|
||||
close(out)
|
||||
}()
|
||||
|
||||
var (
|
||||
inCh = in
|
||||
outCh = out
|
||||
loadCh = loaderChan
|
||||
job treeJob
|
||||
nextTreeID backend.ID
|
||||
outstandingLoadTreeJobs = 0
|
||||
)
|
||||
|
||||
outCh = nil
|
||||
loadCh = nil
|
||||
|
||||
for {
|
||||
if loadCh == nil && len(backlog) > 0 {
|
||||
loadCh = loaderChan
|
||||
nextTreeID, backlog = backlog[0], backlog[1:]
|
||||
}
|
||||
|
||||
if loadCh == nil && outCh == nil && outstandingLoadTreeJobs == 0 {
|
||||
debug.Log("checker.filterTrees", "backlog is empty, all channels nil, exiting")
|
||||
return
|
||||
}
|
||||
|
||||
select {
|
||||
case <-done:
|
||||
return
|
||||
|
||||
case loadCh <- nextTreeID:
|
||||
outstandingLoadTreeJobs++
|
||||
loadCh = nil
|
||||
|
||||
case j, ok := <-inCh:
|
||||
if !ok {
|
||||
debug.Log("checker.filterTrees", "input channel closed")
|
||||
inCh = nil
|
||||
in = nil
|
||||
continue
|
||||
}
|
||||
|
||||
outstandingLoadTreeJobs--
|
||||
debug.Log("checker.filterTrees", "input job tree %v", j.ID.Str())
|
||||
|
||||
backlog = append(backlog, j.Tree.Subtrees()...)
|
||||
|
||||
job = j
|
||||
outCh = out
|
||||
inCh = nil
|
||||
|
||||
case outCh <- job:
|
||||
outCh = nil
|
||||
inCh = in
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Structure checks that for all snapshots all referenced data blobs and
|
||||
// subtrees are available in the index. errChan is closed after all trees have
|
||||
// been traversed.
|
||||
func (c *Checker) Structure(errChan chan<- error, done <-chan struct{}) {
|
||||
defer close(errChan)
|
||||
|
||||
trees, errs := loadSnapshotTreeIDs(c.repo)
|
||||
debug.Log("checker.Structure", "need to check %d trees from snapshots, %d errs returned", len(trees), len(errs))
|
||||
|
||||
for _, err := range errs {
|
||||
select {
|
||||
case <-done:
|
||||
return
|
||||
case errChan <- err:
|
||||
}
|
||||
}
|
||||
|
||||
treeIDChan := make(chan backend.ID)
|
||||
treeJobChan1 := make(chan treeJob)
|
||||
treeJobChan2 := make(chan treeJob)
|
||||
treeErrChan := make(chan TreeError)
|
||||
|
||||
var wg sync.WaitGroup
|
||||
for i := 0; i < defaultParallelism; i++ {
|
||||
wg.Add(2)
|
||||
go loadTreeWorker(c.repo, treeIDChan, treeJobChan1, done, &wg)
|
||||
go c.checkTreeWorker(treeJobChan2, treeErrChan, done, &wg)
|
||||
}
|
||||
|
||||
filterTrees(trees, treeIDChan, treeJobChan1, treeJobChan2, done)
|
||||
|
||||
wg.Wait()
|
||||
}
|
||||
|
||||
func (c *Checker) checkTree(id backend.ID, tree *restic.Tree) (errs []error) {
|
||||
debug.Log("Checker.checkTree", "checking tree %v", id.Str())
|
||||
|
||||
// if _, ok := c.blobs[id2map(id)]; !ok {
|
||||
// errs = append(errs, Error{TreeID: id, Err: errors.New("not found in index")})
|
||||
// }
|
||||
|
||||
// blobs, subtrees, treeErrors := c.tree(id)
|
||||
// if treeErrors != nil {
|
||||
// debug.Log("Checker.trees", "error checking tree %v: %v", id.Str(), treeErrors)
|
||||
// errs = append(errs, treeErrors...)
|
||||
// continue
|
||||
// }
|
||||
|
||||
// treeIDs = append(treeIDs, subtrees...)
|
||||
|
||||
// treesChecked[id2map(id)] = struct{}{}
|
||||
|
||||
var blobs []backend.ID
|
||||
|
||||
for i, node := range tree.Nodes {
|
||||
switch node.Type {
|
||||
case "file":
|
||||
blobs = append(blobs, node.Content...)
|
||||
case "dir":
|
||||
if node.Subtree == nil {
|
||||
errs = append(errs, Error{TreeID: id, Err: fmt.Errorf("node %d is dir but has no subtree", i)})
|
||||
continue
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
for _, blobID := range blobs {
|
||||
mid := id2map(blobID)
|
||||
c.blobRefs.Lock()
|
||||
c.blobRefs.M[mid]++
|
||||
debug.Log("Checker.checkTree", "blob %v refcount %d", blobID.Str(), c.blobRefs.M[mid])
|
||||
c.blobRefs.Unlock()
|
||||
|
||||
if _, ok := c.blobs[id2map(blobID)]; !ok {
|
||||
debug.Log("Checker.trees", "tree %v references blob %v which isn't contained in index", id.Str(), blobID.Str())
|
||||
|
||||
errs = append(errs, Error{TreeID: id, BlobID: blobID, Err: errors.New("not found in index")})
|
||||
}
|
||||
}
|
||||
|
||||
return errs
|
||||
}
|
||||
|
||||
// UnusedBlobs returns all blobs that have never been referenced.
|
||||
func (c *Checker) UnusedBlobs() (blobs backend.IDs) {
|
||||
c.blobRefs.Lock()
|
||||
defer c.blobRefs.Unlock()
|
||||
|
||||
debug.Log("Checker.UnusedBlobs", "checking %d blobs", len(c.blobs))
|
||||
for id := range c.blobs {
|
||||
if c.blobRefs.M[id] == 0 {
|
||||
debug.Log("Checker.UnusedBlobs", "blob %v not not referenced", map2id(id).Str())
|
||||
blobs = append(blobs, map2id(id))
|
||||
}
|
||||
}
|
||||
|
||||
return blobs
|
||||
}
|
||||
|
||||
// OrphanedPacks returns a slice of unused packs (only available after Packs() was run).
|
||||
func (c *Checker) OrphanedPacks() backend.IDs {
|
||||
return c.orphanedPacks
|
||||
}
|
||||
142
checker/checker_test.go
Normal file
142
checker/checker_test.go
Normal file
@ -0,0 +1,142 @@
|
||||
package checker_test
|
||||
|
||||
import (
|
||||
"path/filepath"
|
||||
"sort"
|
||||
"testing"
|
||||
|
||||
"github.com/restic/restic/backend"
|
||||
"github.com/restic/restic/checker"
|
||||
"github.com/restic/restic/repository"
|
||||
. "github.com/restic/restic/test"
|
||||
)
|
||||
|
||||
var checkerTestData = filepath.Join("testdata", "checker-test-repo.tar.gz")
|
||||
|
||||
func list(repo *repository.Repository, t backend.Type) (IDs []string) {
|
||||
done := make(chan struct{})
|
||||
defer close(done)
|
||||
|
||||
for id := range repo.List(t, done) {
|
||||
IDs = append(IDs, id.String())
|
||||
}
|
||||
|
||||
return IDs
|
||||
}
|
||||
|
||||
func checkPacks(chkr *checker.Checker) (errs []error) {
|
||||
done := make(chan struct{})
|
||||
defer close(done)
|
||||
|
||||
errChan := make(chan error)
|
||||
|
||||
go chkr.Packs(errChan, done)
|
||||
|
||||
for err := range errChan {
|
||||
errs = append(errs, err)
|
||||
}
|
||||
|
||||
return errs
|
||||
}
|
||||
|
||||
func checkStruct(chkr *checker.Checker) (errs []error) {
|
||||
done := make(chan struct{})
|
||||
defer close(done)
|
||||
|
||||
errChan := make(chan error)
|
||||
|
||||
go chkr.Structure(errChan, done)
|
||||
|
||||
for err := range errChan {
|
||||
errs = append(errs, err)
|
||||
}
|
||||
|
||||
return errs
|
||||
}
|
||||
|
||||
func TestCheckRepo(t *testing.T) {
|
||||
WithTestEnvironment(t, checkerTestData, func(repodir string) {
|
||||
repo := OpenLocalRepo(t, repodir)
|
||||
|
||||
chkr := checker.New(repo)
|
||||
OK(t, chkr.LoadIndex())
|
||||
OKs(t, checkPacks(chkr))
|
||||
OKs(t, checkStruct(chkr))
|
||||
})
|
||||
}
|
||||
|
||||
func TestMissingPack(t *testing.T) {
|
||||
WithTestEnvironment(t, checkerTestData, func(repodir string) {
|
||||
repo := OpenLocalRepo(t, repodir)
|
||||
|
||||
packID := "657f7fb64f6a854fff6fe9279998ee09034901eded4e6db9bcee0e59745bbce6"
|
||||
OK(t, repo.Backend().Remove(backend.Data, packID))
|
||||
|
||||
chkr := checker.New(repo)
|
||||
OK(t, chkr.LoadIndex())
|
||||
errs := checkPacks(chkr)
|
||||
|
||||
Assert(t, len(errs) == 1,
|
||||
"expected exactly one error, got %v", len(errs))
|
||||
|
||||
if err, ok := errs[0].(checker.PackError); ok {
|
||||
Equals(t, packID, err.ID.String())
|
||||
} else {
|
||||
t.Errorf("expected error returned by checker.Packs() to be PackError, got %v", err)
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
func TestUnreferencedPack(t *testing.T) {
|
||||
WithTestEnvironment(t, checkerTestData, func(repodir string) {
|
||||
repo := OpenLocalRepo(t, repodir)
|
||||
|
||||
// index 8eb5 only references pack 60e0
|
||||
indexID := "8eb5b61062bf8e959f244fba0c971108bc8d4d2a4b236f71a704998e28cc5cf6"
|
||||
packID := "60e0438dcb978ec6860cc1f8c43da648170ee9129af8f650f876bad19f8f788e"
|
||||
OK(t, repo.Backend().Remove(backend.Index, indexID))
|
||||
|
||||
chkr := checker.New(repo)
|
||||
OK(t, chkr.LoadIndex())
|
||||
errs := checkPacks(chkr)
|
||||
|
||||
Assert(t, len(errs) == 1,
|
||||
"expected exactly one error, got %v", len(errs))
|
||||
|
||||
if err, ok := errs[0].(checker.PackError); ok {
|
||||
Equals(t, packID, err.ID.String())
|
||||
} else {
|
||||
t.Errorf("expected error returned by checker.Packs() to be PackError, got %v", err)
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
func TestUnreferencedBlobs(t *testing.T) {
|
||||
WithTestEnvironment(t, checkerTestData, func(repodir string) {
|
||||
repo := OpenLocalRepo(t, repodir)
|
||||
|
||||
snID := "51d249d28815200d59e4be7b3f21a157b864dc343353df9d8e498220c2499b02"
|
||||
OK(t, repo.Backend().Remove(backend.Snapshot, snID))
|
||||
|
||||
unusedBlobsBySnapshot := backend.IDs{
|
||||
ParseID("58c748bbe2929fdf30c73262bd8313fe828f8925b05d1d4a87fe109082acb849"),
|
||||
ParseID("988a272ab9768182abfd1fe7d7a7b68967825f0b861d3b36156795832c772235"),
|
||||
ParseID("c01952de4d91da1b1b80bc6e06eaa4ec21523f4853b69dc8231708b9b7ec62d8"),
|
||||
ParseID("bec3a53d7dc737f9a9bee68b107ec9e8ad722019f649b34d474b9982c3a3fec7"),
|
||||
ParseID("2a6f01e5e92d8343c4c6b78b51c5a4dc9c39d42c04e26088c7614b13d8d0559d"),
|
||||
ParseID("18b51b327df9391732ba7aaf841a4885f350d8a557b2da8352c9acf8898e3f10"),
|
||||
}
|
||||
|
||||
sort.Sort(unusedBlobsBySnapshot)
|
||||
|
||||
chkr := checker.New(repo)
|
||||
OK(t, chkr.LoadIndex())
|
||||
OKs(t, checkPacks(chkr))
|
||||
OKs(t, checkStruct(chkr))
|
||||
|
||||
blobs := chkr.UnusedBlobs()
|
||||
sort.Sort(blobs)
|
||||
|
||||
Equals(t, unusedBlobsBySnapshot, blobs)
|
||||
})
|
||||
}
|
||||
BIN
checker/testdata/checker-test-repo.tar.gz
vendored
Normal file
BIN
checker/testdata/checker-test-repo.tar.gz
vendored
Normal file
Binary file not shown.
106
cmd/restic/cmd_check.go
Normal file
106
cmd/restic/cmd_check.go
Normal file
@ -0,0 +1,106 @@
|
||||
package main
|
||||
|
||||
import (
|
||||
"errors"
|
||||
"fmt"
|
||||
"os"
|
||||
|
||||
"github.com/restic/restic/backend"
|
||||
"github.com/restic/restic/checker"
|
||||
)
|
||||
|
||||
type CmdCheck struct {
|
||||
ReadData bool `long:"read-data" description:"Read data blobs" default:"false"`
|
||||
RemoveOrphaned bool `long:"remove" description:"Remove data that isn't used" default:"false"`
|
||||
|
||||
global *GlobalOptions
|
||||
}
|
||||
|
||||
func init() {
|
||||
_, err := parser.AddCommand("check",
|
||||
"check the repository",
|
||||
"The check command check the integrity and consistency of the repository",
|
||||
&CmdCheck{global: &globalOpts})
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
}
|
||||
|
||||
func (cmd CmdCheck) Usage() string {
|
||||
return "[check-options]"
|
||||
}
|
||||
|
||||
func (cmd CmdCheck) Execute(args []string) error {
|
||||
if len(args) != 0 {
|
||||
return errors.New("check has no arguments")
|
||||
}
|
||||
|
||||
repo, err := cmd.global.OpenRepository()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
cmd.global.Verbosef("Create exclusive lock for repository\n")
|
||||
lock, err := lockRepoExclusive(repo)
|
||||
defer unlockRepo(lock)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
chkr := checker.New(repo)
|
||||
|
||||
cmd.global.Verbosef("Load indexes\n")
|
||||
if err = chkr.LoadIndex(); err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
done := make(chan struct{})
|
||||
defer close(done)
|
||||
|
||||
errorsFound := false
|
||||
errChan := make(chan error)
|
||||
|
||||
cmd.global.Verbosef("Check all packs\n")
|
||||
go chkr.Packs(errChan, done)
|
||||
|
||||
foundOrphanedPacks := false
|
||||
for err := range errChan {
|
||||
errorsFound = true
|
||||
fmt.Fprintf(os.Stderr, "%v\n", err)
|
||||
|
||||
if e, ok := err.(checker.PackError); ok && e.Orphaned {
|
||||
foundOrphanedPacks = true
|
||||
}
|
||||
}
|
||||
|
||||
cmd.global.Verbosef("Check snapshots, trees and blobs\n")
|
||||
errChan = make(chan error)
|
||||
go chkr.Structure(errChan, done)
|
||||
|
||||
for err := range errChan {
|
||||
errorsFound = true
|
||||
fmt.Fprintf(os.Stderr, "error: %v\n", err)
|
||||
}
|
||||
|
||||
for _, id := range chkr.UnusedBlobs() {
|
||||
cmd.global.Verbosef("unused blob %v\n", id.Str())
|
||||
}
|
||||
|
||||
if foundOrphanedPacks && cmd.RemoveOrphaned {
|
||||
IDs := chkr.OrphanedPacks()
|
||||
cmd.global.Verbosef("Remove %d orphaned packs... ", len(IDs))
|
||||
|
||||
for _, id := range IDs {
|
||||
if err := repo.Backend().Remove(backend.Data, id.String()); err != nil {
|
||||
fmt.Fprintf(os.Stderr, "%v\n", err)
|
||||
}
|
||||
}
|
||||
|
||||
cmd.global.Verbosef("done\n")
|
||||
}
|
||||
|
||||
if errorsFound {
|
||||
return errors.New("repository contains errors")
|
||||
}
|
||||
return nil
|
||||
}
|
||||
@ -1,272 +0,0 @@
|
||||
package main
|
||||
|
||||
import (
|
||||
"errors"
|
||||
"fmt"
|
||||
"os"
|
||||
|
||||
"github.com/restic/restic"
|
||||
"github.com/restic/restic/backend"
|
||||
"github.com/restic/restic/crypto"
|
||||
"github.com/restic/restic/debug"
|
||||
"github.com/restic/restic/pack"
|
||||
"github.com/restic/restic/repository"
|
||||
)
|
||||
|
||||
type CmdFsck struct {
|
||||
CheckData bool ` long:"check-data" description:"Read data blobs" default:"false"`
|
||||
Snapshot string `short:"s" long:"snapshot" description:"Only check this snapshot"`
|
||||
Orphaned bool `short:"o" long:"orphaned" description:"Check for orphaned blobs"`
|
||||
RemoveOrphaned bool `short:"r" long:"remove-orphaned" description:"Remove orphaned blobs (implies -o)"`
|
||||
|
||||
global *GlobalOptions
|
||||
|
||||
// lists checking for orphaned blobs
|
||||
o_data *backend.IDSet
|
||||
o_trees *backend.IDSet
|
||||
}
|
||||
|
||||
func init() {
|
||||
_, err := parser.AddCommand("fsck",
|
||||
"check the repository",
|
||||
"The fsck command check the integrity and consistency of the repository",
|
||||
&CmdFsck{global: &globalOpts})
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
}
|
||||
|
||||
func fsckFile(global CmdFsck, repo *repository.Repository, IDs []backend.ID) (uint64, error) {
|
||||
debug.Log("restic.fsckFile", "checking file %v", IDs)
|
||||
var bytes uint64
|
||||
|
||||
for _, id := range IDs {
|
||||
debug.Log("restic.fsck", " checking data blob %v\n", id)
|
||||
|
||||
// test if blob is in the index
|
||||
packID, tpe, _, length, err := repo.Index().Lookup(id)
|
||||
if err != nil {
|
||||
return 0, fmt.Errorf("storage for blob %v (%v) not found", id, tpe)
|
||||
}
|
||||
|
||||
bytes += uint64(length - crypto.Extension)
|
||||
debug.Log("restic.fsck", " blob found in pack %v\n", packID)
|
||||
|
||||
if global.CheckData {
|
||||
// load content
|
||||
_, err := repo.LoadBlob(pack.Data, id)
|
||||
if err != nil {
|
||||
return 0, err
|
||||
}
|
||||
} else {
|
||||
// test if pack for data blob is there
|
||||
ok, err := repo.Backend().Test(backend.Data, packID.String())
|
||||
if err != nil {
|
||||
return 0, err
|
||||
}
|
||||
|
||||
if !ok {
|
||||
return 0, fmt.Errorf("data blob %v not found", id)
|
||||
}
|
||||
}
|
||||
|
||||
// if orphan check is active, record storage id
|
||||
if global.o_data != nil {
|
||||
debug.Log("restic.fsck", " recording blob %v as used\n", id)
|
||||
global.o_data.Insert(id)
|
||||
}
|
||||
}
|
||||
|
||||
return bytes, nil
|
||||
}
|
||||
|
||||
func fsckTree(global CmdFsck, repo *repository.Repository, id backend.ID) error {
|
||||
debug.Log("restic.fsckTree", "checking tree %v", id.Str())
|
||||
|
||||
tree, err := restic.LoadTree(repo, id)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
// if orphan check is active, record storage id
|
||||
if global.o_trees != nil {
|
||||
// add ID to list
|
||||
global.o_trees.Insert(id)
|
||||
}
|
||||
|
||||
var firstErr error
|
||||
|
||||
seenIDs := backend.NewIDSet()
|
||||
|
||||
for i, node := range tree.Nodes {
|
||||
if node.Name == "" {
|
||||
return fmt.Errorf("node %v of tree %v has no name", i, id.Str())
|
||||
}
|
||||
|
||||
if node.Type == "" {
|
||||
return fmt.Errorf("node %q of tree %v has no type", node.Name, id.Str())
|
||||
}
|
||||
|
||||
switch node.Type {
|
||||
case "file":
|
||||
if node.Content == nil {
|
||||
debug.Log("restic.fsckTree", "file node %q of tree %v has no content: %v", node.Name, id, node)
|
||||
return fmt.Errorf("file node %q of tree %v has no content: %v", node.Name, id, node)
|
||||
}
|
||||
|
||||
if node.Content == nil && node.Error == "" {
|
||||
debug.Log("restic.fsckTree", "file node %q of tree %v has no content", node.Name, id)
|
||||
return fmt.Errorf("file node %q of tree %v has no content", node.Name, id)
|
||||
}
|
||||
|
||||
// record ids
|
||||
for _, id := range node.Content {
|
||||
seenIDs.Insert(id)
|
||||
}
|
||||
|
||||
debug.Log("restic.fsckTree", "check file %v (%v)", node.Name, id.Str())
|
||||
bytes, err := fsckFile(global, repo, node.Content)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
if bytes != node.Size {
|
||||
debug.Log("restic.fsckTree", "file node %q of tree %v has size %d, but only %d bytes could be found", node.Name, id, node.Size, bytes)
|
||||
return fmt.Errorf("file node %q of tree %v has size %d, but only %d bytes could be found", node.Name, id, node.Size, bytes)
|
||||
}
|
||||
case "dir":
|
||||
if node.Subtree == nil {
|
||||
return fmt.Errorf("dir node %q of tree %v has no subtree", node.Name, id)
|
||||
}
|
||||
|
||||
// record id
|
||||
seenIDs.Insert(node.Subtree)
|
||||
|
||||
err = fsckTree(global, repo, node.Subtree)
|
||||
if err != nil {
|
||||
firstErr = err
|
||||
fmt.Fprintf(os.Stderr, "%v\n", err)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// check map for unused ids
|
||||
// for _, id := range tree.Map.IDs() {
|
||||
// if seenIDs.Find(id) != nil {
|
||||
// return fmt.Errorf("tree %v: map contains unused ID %v", id, id)
|
||||
// }
|
||||
// }
|
||||
|
||||
return firstErr
|
||||
}
|
||||
|
||||
func fsckSnapshot(global CmdFsck, repo *repository.Repository, id backend.ID) error {
|
||||
debug.Log("restic.fsck", "checking snapshot %v\n", id)
|
||||
|
||||
sn, err := restic.LoadSnapshot(repo, id)
|
||||
if err != nil {
|
||||
return fmt.Errorf("loading snapshot %v failed: %v", id, err)
|
||||
}
|
||||
|
||||
err = fsckTree(global, repo, sn.Tree)
|
||||
if err != nil {
|
||||
debug.Log("restic.fsck", " checking tree %v for snapshot %v\n", sn.Tree, id)
|
||||
fmt.Fprintf(os.Stderr, "snapshot %v:\n error for tree %v:\n %v\n", id, sn.Tree, err)
|
||||
}
|
||||
|
||||
return err
|
||||
}
|
||||
|
||||
func (cmd CmdFsck) Usage() string {
|
||||
return "[fsck-options]"
|
||||
}
|
||||
|
||||
func (cmd CmdFsck) Execute(args []string) error {
|
||||
if len(args) != 0 {
|
||||
return errors.New("fsck has no arguments")
|
||||
}
|
||||
|
||||
if cmd.RemoveOrphaned && !cmd.Orphaned {
|
||||
cmd.Orphaned = true
|
||||
}
|
||||
|
||||
repo, err := cmd.global.OpenRepository()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
lock, err := lockRepoExclusive(repo)
|
||||
defer unlockRepo(lock)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
err = repo.LoadIndex()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
if cmd.Snapshot != "" {
|
||||
id, err := restic.FindSnapshot(repo, cmd.Snapshot)
|
||||
if err != nil {
|
||||
return fmt.Errorf("invalid id %q: %v", cmd.Snapshot, err)
|
||||
}
|
||||
|
||||
err = fsckSnapshot(cmd, repo, id)
|
||||
if err != nil {
|
||||
fmt.Fprintf(os.Stderr, "check for snapshot %v failed\n", id)
|
||||
}
|
||||
|
||||
return err
|
||||
}
|
||||
|
||||
if cmd.Orphaned {
|
||||
cmd.o_data = backend.NewIDSet()
|
||||
cmd.o_trees = backend.NewIDSet()
|
||||
}
|
||||
|
||||
done := make(chan struct{})
|
||||
defer close(done)
|
||||
|
||||
var firstErr error
|
||||
for id := range repo.List(backend.Snapshot, done) {
|
||||
err = fsckSnapshot(cmd, repo, id)
|
||||
if err != nil {
|
||||
fmt.Fprintf(os.Stderr, "check for snapshot %v failed\n", id)
|
||||
firstErr = err
|
||||
}
|
||||
}
|
||||
|
||||
if !cmd.Orphaned {
|
||||
return firstErr
|
||||
}
|
||||
|
||||
debug.Log("restic.fsck", "starting orphaned check\n")
|
||||
|
||||
cnt := make(map[pack.BlobType]*backend.IDSet)
|
||||
cnt[pack.Data] = cmd.o_data
|
||||
cnt[pack.Tree] = cmd.o_trees
|
||||
|
||||
for blob := range repo.Index().Each(done) {
|
||||
debug.Log("restic.fsck", "checking %v blob %v\n", blob.Type, blob.ID)
|
||||
|
||||
err = cnt[blob.Type].Find(blob.ID)
|
||||
if err != nil {
|
||||
debug.Log("restic.fsck", " blob %v is orphaned\n", blob.ID)
|
||||
|
||||
if !cmd.RemoveOrphaned {
|
||||
fmt.Printf("orphaned %v blob %v\n", blob.Type, blob.ID)
|
||||
continue
|
||||
}
|
||||
|
||||
fmt.Printf("removing orphaned %v blob %v\n", blob.Type, blob.ID)
|
||||
// err := s.Remove(d.tpe, name)
|
||||
// if err != nil {
|
||||
// return err
|
||||
// }
|
||||
return errors.New("not implemented")
|
||||
}
|
||||
}
|
||||
|
||||
return firstErr
|
||||
}
|
||||
@ -8,7 +8,6 @@ import (
|
||||
"io"
|
||||
"io/ioutil"
|
||||
"os"
|
||||
"os/exec"
|
||||
"path/filepath"
|
||||
"regexp"
|
||||
"syscall"
|
||||
@ -20,20 +19,6 @@ import (
|
||||
. "github.com/restic/restic/test"
|
||||
)
|
||||
|
||||
func setupTarTestFixture(t testing.TB, outputDir, tarFile string) {
|
||||
err := system("sh", "-c", `(cd "$1" && tar xz) < "$2"`,
|
||||
"sh", outputDir, tarFile)
|
||||
OK(t, err)
|
||||
}
|
||||
|
||||
func system(command string, args ...string) error {
|
||||
cmd := exec.Command(command, args...)
|
||||
cmd.Stdout = os.Stdout
|
||||
cmd.Stderr = os.Stderr
|
||||
|
||||
return cmd.Run()
|
||||
}
|
||||
|
||||
func parseIDsFromReader(t testing.TB, rd io.Reader) backend.IDs {
|
||||
IDs := backend.IDs{}
|
||||
sc := bufio.NewScanner(rd)
|
||||
@ -83,8 +68,8 @@ func cmdRestore(t testing.TB, global GlobalOptions, dir string, snapshotID backe
|
||||
cmd.Execute(append([]string{snapshotID.String(), dir}, args...))
|
||||
}
|
||||
|
||||
func cmdFsck(t testing.TB, global GlobalOptions) {
|
||||
cmd := &CmdFsck{global: &global, CheckData: true, Orphaned: true}
|
||||
func cmdCheck(t testing.TB, global GlobalOptions) {
|
||||
cmd := &CmdCheck{global: &global, ReadData: true}
|
||||
OK(t, cmd.Execute(nil))
|
||||
}
|
||||
|
||||
@ -101,7 +86,7 @@ func TestBackup(t *testing.T) {
|
||||
|
||||
cmdInit(t, global)
|
||||
|
||||
setupTarTestFixture(t, env.testdata, datafile)
|
||||
SetupTarTestFixture(t, env.testdata, datafile)
|
||||
|
||||
// first backup
|
||||
cmdBackup(t, global, []string{env.testdata}, nil)
|
||||
@ -109,7 +94,7 @@ func TestBackup(t *testing.T) {
|
||||
Assert(t, len(snapshotIDs) == 1,
|
||||
"expected one snapshot, got %v", snapshotIDs)
|
||||
|
||||
cmdFsck(t, global)
|
||||
cmdCheck(t, global)
|
||||
stat1 := dirStats(env.repo)
|
||||
|
||||
// second backup, implicit incremental
|
||||
@ -124,7 +109,7 @@ func TestBackup(t *testing.T) {
|
||||
}
|
||||
t.Logf("repository grown by %d bytes", stat2.size-stat1.size)
|
||||
|
||||
cmdFsck(t, global)
|
||||
cmdCheck(t, global)
|
||||
// third backup, explicit incremental
|
||||
cmdBackup(t, global, []string{env.testdata}, snapshotIDs[0])
|
||||
snapshotIDs = cmdList(t, global, "snapshots")
|
||||
@ -146,7 +131,7 @@ func TestBackup(t *testing.T) {
|
||||
"directories are not equal")
|
||||
}
|
||||
|
||||
cmdFsck(t, global)
|
||||
cmdCheck(t, global)
|
||||
})
|
||||
}
|
||||
|
||||
@ -161,7 +146,7 @@ func TestBackupNonExistingFile(t *testing.T) {
|
||||
OK(t, err)
|
||||
OK(t, fd.Close())
|
||||
|
||||
setupTarTestFixture(t, env.testdata, datafile)
|
||||
SetupTarTestFixture(t, env.testdata, datafile)
|
||||
|
||||
cmdInit(t, global)
|
||||
|
||||
@ -189,7 +174,7 @@ func TestBackupMissingFile1(t *testing.T) {
|
||||
OK(t, err)
|
||||
OK(t, fd.Close())
|
||||
|
||||
setupTarTestFixture(t, env.testdata, datafile)
|
||||
SetupTarTestFixture(t, env.testdata, datafile)
|
||||
|
||||
cmdInit(t, global)
|
||||
|
||||
@ -208,7 +193,7 @@ func TestBackupMissingFile1(t *testing.T) {
|
||||
})
|
||||
|
||||
cmdBackup(t, global, []string{env.testdata}, nil)
|
||||
cmdFsck(t, global)
|
||||
cmdCheck(t, global)
|
||||
|
||||
Assert(t, ranHook, "hook did not run")
|
||||
debug.RemoveHook("pipe.walk1")
|
||||
@ -226,7 +211,7 @@ func TestBackupMissingFile2(t *testing.T) {
|
||||
OK(t, err)
|
||||
OK(t, fd.Close())
|
||||
|
||||
setupTarTestFixture(t, env.testdata, datafile)
|
||||
SetupTarTestFixture(t, env.testdata, datafile)
|
||||
|
||||
cmdInit(t, global)
|
||||
|
||||
@ -245,7 +230,7 @@ func TestBackupMissingFile2(t *testing.T) {
|
||||
})
|
||||
|
||||
cmdBackup(t, global, []string{env.testdata}, nil)
|
||||
cmdFsck(t, global)
|
||||
cmdCheck(t, global)
|
||||
|
||||
Assert(t, ranHook, "hook did not run")
|
||||
debug.RemoveHook("pipe.walk2")
|
||||
@ -290,13 +275,13 @@ func TestIncrementalBackup(t *testing.T) {
|
||||
OK(t, appendRandomData(testfile, incrementalFirstWrite))
|
||||
|
||||
cmdBackup(t, global, []string{datadir}, nil)
|
||||
cmdFsck(t, global)
|
||||
cmdCheck(t, global)
|
||||
stat1 := dirStats(env.repo)
|
||||
|
||||
OK(t, appendRandomData(testfile, incrementalSecondWrite))
|
||||
|
||||
cmdBackup(t, global, []string{datadir}, nil)
|
||||
cmdFsck(t, global)
|
||||
cmdCheck(t, global)
|
||||
stat2 := dirStats(env.repo)
|
||||
if stat2.size-stat1.size > incrementalFirstWrite {
|
||||
t.Errorf("repository size has grown by more than %d bytes", incrementalFirstWrite)
|
||||
@ -306,7 +291,7 @@ func TestIncrementalBackup(t *testing.T) {
|
||||
OK(t, appendRandomData(testfile, incrementalThirdWrite))
|
||||
|
||||
cmdBackup(t, global, []string{datadir}, nil)
|
||||
cmdFsck(t, global)
|
||||
cmdCheck(t, global)
|
||||
stat3 := dirStats(env.repo)
|
||||
if stat3.size-stat2.size > incrementalFirstWrite {
|
||||
t.Errorf("repository size has grown by more than %d bytes", incrementalFirstWrite)
|
||||
@ -387,7 +372,7 @@ func TestKeyAddRemove(t *testing.T) {
|
||||
t.Logf("testing access with last password %q\n", global.password)
|
||||
cmdKey(t, global, "list")
|
||||
|
||||
cmdFsck(t, global)
|
||||
cmdCheck(t, global)
|
||||
})
|
||||
}
|
||||
|
||||
@ -425,7 +410,7 @@ func TestRestoreFilter(t *testing.T) {
|
||||
}
|
||||
|
||||
cmdBackup(t, global, []string{env.testdata}, nil)
|
||||
cmdFsck(t, global)
|
||||
cmdCheck(t, global)
|
||||
|
||||
snapshotID := cmdList(t, global, "snapshots")[0]
|
||||
|
||||
@ -471,7 +456,7 @@ func TestRestoreNoMetadataOnIgnoredIntermediateDirs(t *testing.T) {
|
||||
OK(t, setZeroModTime(filepath.Join(env.testdata, "subdir1", "subdir2")))
|
||||
|
||||
cmdBackup(t, global, []string{env.testdata}, nil)
|
||||
cmdFsck(t, global)
|
||||
cmdCheck(t, global)
|
||||
|
||||
snapshotID := cmdList(t, global, "snapshots")[0]
|
||||
|
||||
|
||||
@ -2,7 +2,6 @@ package repository
|
||||
|
||||
import (
|
||||
"encoding/json"
|
||||
"errors"
|
||||
"fmt"
|
||||
"io"
|
||||
"sync"
|
||||
@ -79,7 +78,7 @@ func (idx *Index) Lookup(id backend.ID) (packID backend.ID, tpe pack.BlobType, o
|
||||
}
|
||||
|
||||
debug.Log("Index.Lookup", "id %v not found", id.Str())
|
||||
return nil, pack.Data, 0, 0, errors.New("id not found")
|
||||
return nil, pack.Data, 0, 0, fmt.Errorf("id %v not found in index", id)
|
||||
}
|
||||
|
||||
// Has returns true iff the id is listed in the index.
|
||||
@ -108,13 +107,19 @@ func (idx *Index) Merge(other *Index) {
|
||||
debug.Log("Index.Merge", "done merging index")
|
||||
}
|
||||
|
||||
// PackedBlob is a blob already saved within a pack.
|
||||
type PackedBlob struct {
|
||||
pack.Blob
|
||||
PackID backend.ID
|
||||
}
|
||||
|
||||
// Each returns a channel that yields all blobs known to the index. If done is
|
||||
// closed, the background goroutine terminates. This blocks any modification of
|
||||
// the index.
|
||||
func (idx *Index) Each(done chan struct{}) <-chan pack.Blob {
|
||||
func (idx *Index) Each(done chan struct{}) <-chan PackedBlob {
|
||||
idx.m.Lock()
|
||||
|
||||
ch := make(chan pack.Blob)
|
||||
ch := make(chan PackedBlob)
|
||||
|
||||
go func() {
|
||||
defer idx.m.Unlock()
|
||||
@ -132,11 +137,14 @@ func (idx *Index) Each(done chan struct{}) <-chan pack.Blob {
|
||||
select {
|
||||
case <-done:
|
||||
return
|
||||
case ch <- pack.Blob{
|
||||
ID: id,
|
||||
Offset: blob.offset,
|
||||
Type: blob.tpe,
|
||||
Length: uint32(blob.length),
|
||||
case ch <- PackedBlob{
|
||||
Blob: pack.Blob{
|
||||
ID: id,
|
||||
Offset: blob.offset,
|
||||
Type: blob.tpe,
|
||||
Length: uint32(blob.length),
|
||||
},
|
||||
PackID: blob.packID,
|
||||
}:
|
||||
}
|
||||
}
|
||||
|
||||
@ -35,6 +35,21 @@ func OK(tb testing.TB, err error) {
|
||||
}
|
||||
}
|
||||
|
||||
// OKs fails the test if any error from errs is not nil.
|
||||
func OKs(tb testing.TB, errs []error) {
|
||||
errFound := false
|
||||
for _, err := range errs {
|
||||
if err != nil {
|
||||
errFound = true
|
||||
_, file, line, _ := runtime.Caller(1)
|
||||
fmt.Printf("\033[31m%s:%d: unexpected error: %s\033[39m\n\n", filepath.Base(file), line, err.Error())
|
||||
}
|
||||
}
|
||||
if errFound {
|
||||
tb.FailNow()
|
||||
}
|
||||
}
|
||||
|
||||
// Equals fails the test if exp is not equal to act.
|
||||
func Equals(tb testing.TB, exp, act interface{}) {
|
||||
if !reflect.DeepEqual(exp, act) {
|
||||
|
||||
11
tree.go
11
tree.go
@ -89,3 +89,14 @@ func (t Tree) Find(name string) (*Node, error) {
|
||||
_, node, err := t.binarySearch(name)
|
||||
return node, err
|
||||
}
|
||||
|
||||
// Subtrees returns a slice of all subtree IDs of the tree.
|
||||
func (t Tree) Subtrees() (trees backend.IDs) {
|
||||
for _, node := range t.Nodes {
|
||||
if node.Type == "dir" && node.Subtree != nil {
|
||||
trees = append(trees, node.Subtree)
|
||||
}
|
||||
}
|
||||
|
||||
return trees
|
||||
}
|
||||
|
||||
19
walk.go
19
walk.go
@ -21,7 +21,11 @@ func walkTree(repo *repository.Repository, path string, treeID backend.ID, done
|
||||
|
||||
t, err := LoadTree(repo, treeID)
|
||||
if err != nil {
|
||||
jobCh <- WalkTreeJob{Path: path, Error: err}
|
||||
select {
|
||||
case jobCh <- WalkTreeJob{Path: path, Error: err}:
|
||||
case <-done:
|
||||
return
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
@ -30,11 +34,20 @@ func walkTree(repo *repository.Repository, path string, treeID backend.ID, done
|
||||
if node.Type == "dir" {
|
||||
walkTree(repo, p, node.Subtree, done, jobCh)
|
||||
} else {
|
||||
jobCh <- WalkTreeJob{Path: p, Node: node}
|
||||
select {
|
||||
case jobCh <- WalkTreeJob{Path: p, Node: node}:
|
||||
case <-done:
|
||||
return
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
jobCh <- WalkTreeJob{Path: path, Tree: t}
|
||||
select {
|
||||
case jobCh <- WalkTreeJob{Path: path, Tree: t}:
|
||||
case <-done:
|
||||
return
|
||||
}
|
||||
|
||||
debug.Log("walkTree", "done for %q (%v)", path, treeID.Str())
|
||||
}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user