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Add folder marker (fixes #762)

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This commit is contained in:
Audrius Butkevicius 2014-10-11 16:55:11 +01:00
parent baf4cc225e
commit 838670ccbc
13 changed files with 196 additions and 16 deletions
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14
cmd/syncthing/main.go
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@ -598,11 +598,25 @@ nextFolder:
l.Warnf("Stopping folder %q - path does not exist, but has files in index", folder.ID)
cfg.InvalidateFolder(id, "folder path missing")
continue nextFolder
} else if !folder.HasMarker() {
l.Warnf("Stopping folder %q - path exists, but folder marker missing, check for mount issues", folder.ID)
cfg.InvalidateFolder(id, "folder marker missing")
continue nextFolder
}
} else if os.IsNotExist(err) {
// If we don't have any files in the index, and the directory
// doesn't exist, try creating it.
err = os.MkdirAll(folder.Path, 0700)
if err != nil {
l.Warnf("Stopping folder %q - %v", err)
cfg.InvalidateFolder(id, err.Error())
continue nextFolder
}
err = folder.CreateMarker()
} else if !folder.HasMarker() {
// If we don't have any files in the index, and the path does exist
// but the marker is not there, create it.
err = folder.CreateMarker()
}
if err != nil {

105
cmd/syncthing/main_test.go
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@ -13,6 +13,107 @@
// You should have received a copy of the GNU General Public License along
// with this program. If not, see <http://www.gnu.org/licenses/>.
package main_test
package main
// Empty test file to generate 0% coverage rather than no coverage
import (
"os"
"testing"
"github.com/syncthing/syncthing/internal/config"
"github.com/syncthing/syncthing/internal/files"
"github.com/syncthing/syncthing/internal/model"
"github.com/syncthing/syncthing/internal/protocol"
"github.com/syndtr/goleveldb/leveldb"
"github.com/syndtr/goleveldb/leveldb/storage"
)
func TestSanityCheck(t *testing.T) {
fcfg := config.FolderConfiguration{
ID: "folder",
Path: "testdata/testfolder",
}
cfg := config.Wrap("/tmp/test", config.Configuration{
Folders: []config.FolderConfiguration{fcfg},
})
for _, file := range []string{".stfolder", "testfolder", "testfolder/.stfolder"} {
_, err := os.Stat("testdata/" + file)
if err == nil {
t.Error("Found unexpected file")
}
}
db, _ := leveldb.Open(storage.NewMemStorage(), nil)
// Case 1 - new folder, directory and marker created
m := model.NewModel(cfg, "device", "syncthing", "dev", db)
sanityCheckFolders(cfg, m)
if cfg.Folders()["folder"].Invalid != "" {
t.Error("Unexpected error", cfg.Folders()["folder"].Invalid)
}
s, err := os.Stat("testdata/testfolder")
if err != nil || !s.IsDir() {
t.Error(err)
}
_, err = os.Stat("testdata/testfolder/.stfolder")
if err != nil {
t.Error(err)
}
os.Remove("testdata/testfolder/.stfolder")
os.Remove("testdata/testfolder/")
// Case 2 - new folder, marker created
fcfg.Path = "testdata/"
cfg = config.Wrap("/tmp/test", config.Configuration{
Folders: []config.FolderConfiguration{fcfg},
})
m = model.NewModel(cfg, "device", "syncthing", "dev", db)
sanityCheckFolders(cfg, m)
if cfg.Folders()["folder"].Invalid != "" {
t.Error("Unexpected error", cfg.Folders()["folder"].Invalid)
}
_, err = os.Stat("testdata/.stfolder")
if err != nil {
t.Error(err)
}
os.Remove("testdata/.stfolder")
// Case 3 - marker missing
set := files.NewSet("folder", db)
set.Update(protocol.LocalDeviceID, []protocol.FileInfo{
{Name: "dummyfile"},
})
m = model.NewModel(cfg, "device", "syncthing", "dev", db)
sanityCheckFolders(cfg, m)
if cfg.Folders()["folder"].Invalid != "folder marker missing" {
t.Error("Incorrect error")
}
// Case 4 - path missing
fcfg.Path = "testdata/testfolder"
cfg = config.Wrap("/tmp/test", config.Configuration{
Folders: []config.FolderConfiguration{fcfg},
})
m = model.NewModel(cfg, "device", "syncthing", "dev", db)
sanityCheckFolders(cfg, m)
if cfg.Folders()["folder"].Invalid != "folder path missing" {
t.Error("Incorrect error")
}
}

45
internal/config/config.go
View File

@ -21,18 +21,20 @@ import (
"fmt"
"io"
"os"
"path/filepath"
"reflect"
"sort"
"strconv"
"code.google.com/p/go.crypto/bcrypt"
"github.com/syncthing/syncthing/internal/logger"
"github.com/syncthing/syncthing/internal/osutil"
"github.com/syncthing/syncthing/internal/protocol"
)
var l = logger.DefaultLogger
const CurrentVersion = 5
const CurrentVersion = 6
type Configuration struct {
Version int `xml:"version,attr"`
@ -64,6 +66,28 @@ type FolderConfiguration struct {
Deprecated_Nodes []FolderDeviceConfiguration `xml:"node" json:"-"`
}
func (f *FolderConfiguration) CreateMarker() error {
if !f.HasMarker() {
marker := filepath.Join(f.Path, ".stfolder")
fd, err := os.Create(marker)
if err != nil {
return err
}
fd.Close()
osutil.HideFile(marker)
}
return nil
}
func (f *FolderConfiguration) HasMarker() bool {
_, err := os.Stat(filepath.Join(f.Path, ".stfolder"))
if err != nil {
return false
}
return true
}
func (r *FolderConfiguration) DeviceIDs() []protocol.DeviceID {
if r.deviceIDs == nil {
for _, n := range r.Devices {
@ -272,6 +296,11 @@ func (cfg *Configuration) prepare(myID protocol.DeviceID) {
convertV4V5(cfg)
}
// Upgrade to v6 configuration if appropriate
if cfg.Version == 5 {
convertV5V6(cfg)
}
// Hash old cleartext passwords
if len(cfg.GUI.Password) > 0 && cfg.GUI.Password[0] != '$' {
hash, err := bcrypt.GenerateFromPassword([]byte(cfg.GUI.Password), 0)
@ -344,6 +373,20 @@ func ChangeRequiresRestart(from, to Configuration) bool {
return false
}
func convertV5V6(cfg *Configuration) {
// Added ".stfolder" file at folder roots to identify mount issues
// Doesn't affect the config itself, but uses config migrations to identify
// the migration point.
for _, folder := range cfg.Folders {
err := folder.CreateMarker()
if err != nil {
panic(err)
}
}
cfg.Version = 6
}
func convertV4V5(cfg *Configuration) {
// Renamed a bunch of fields in the structs.
if cfg.Deprecated_Nodes == nil {

22
internal/config/config_test.go
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@ -16,6 +16,7 @@
package config
import (
"fmt"
"os"
"reflect"
"testing"
@ -60,17 +61,26 @@ func TestDefaultValues(t *testing.T) {
}
func TestDeviceConfig(t *testing.T) {
for i, ver := range []string{"v1", "v2", "v3", "v4", "v5"} {
wr, err := Load("testdata/"+ver+".xml", device1)
for i := 1; i <= CurrentVersion; i++ {
os.Remove("testdata/.stfolder")
wr, err := Load(fmt.Sprintf("testdata/v%d.xml", i), device1)
if err != nil {
t.Fatal(err)
}
_, err = os.Stat("testdata/.stfolder")
if i < 6 && err != nil {
t.Fatal(err)
} else if i >= 6 && err == nil {
t.Fatal("Unexpected file")
}
cfg := wr.cfg
expectedFolders := []FolderConfiguration{
{
ID: "test",
Path: "~/Sync",
Path: "testdata/",
Devices: []FolderDeviceConfiguration{{DeviceID: device1}, {DeviceID: device4}},
ReadOnly: true,
RescanIntervalS: 600,
@ -92,8 +102,8 @@ func TestDeviceConfig(t *testing.T) {
}
expectedDeviceIDs := []protocol.DeviceID{device1, device4}
if cfg.Version != 5 {
t.Errorf("%d: Incorrect version %d != 5", i, cfg.Version)
if cfg.Version != CurrentVersion {
t.Errorf("%d: Incorrect version %d != %d", i, cfg.Version, CurrentVersion)
}
if !reflect.DeepEqual(cfg.Folders, expectedFolders) {
t.Errorf("%d: Incorrect Folders\n A: %#v\n E: %#v", i, cfg.Folders, expectedFolders)
@ -296,7 +306,7 @@ func TestPrepare(t *testing.T) {
}
func TestRequiresRestart(t *testing.T) {
wr, err := Load("testdata/v5.xml", device1)
wr, err := Load("testdata/v6.xml", device1)
if err != nil {
t.Fatal(err)
}

0
internal/config/testdata/.stfolder vendored Normal file
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2
internal/config/testdata/v1.xml vendored
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@ -1,5 +1,5 @@
<configuration version="1">
<repository id="test" directory="~/Sync">
<repository id="test" directory="testdata/">
<node id="AIR6LPZ7K4PTTUXQSMUUCPQ5YWOEDFIIQJUG7772YQXXR5YD6AWQ" name="node one">
<address>a</address>
</node>

2
internal/config/testdata/v2.xml vendored
View File

@ -1,5 +1,5 @@
<configuration version="2">
<repository id="test" directory="~/Sync" ro="true">
<repository id="test" directory="testdata/" ro="true">
<node id="P56IOI7MZJNU2IQGDREYDM2MGTMGL3BXNPQ6W5BTBBZ4TJXZWICQ"/>
<node id="AIR6LPZ7K4PTTUXQSMUUCPQ5YWOEDFIIQJUG7772YQXXR5YD6AWQ"/>
<node id="C4YBIESWDUAIGU62GOSRXCRAAJDWVE3TKCPMURZE2LH5QHAF576A"/>

2
internal/config/testdata/v3.xml vendored
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@ -1,5 +1,5 @@
<configuration version="3">
<repository id="test" directory="~/Sync" ro="true" ignorePerms="false">
<repository id="test" directory="testdata/" ro="true" ignorePerms="false">
<node id="AIR6LPZ-7K4PTTV-UXQSMUU-CPQ5YWH-OEDFIIQ-JUG777G-2YQXXR5-YD6AWQR" compression="false"></node>
<node id="P56IOI7-MZJNU2Y-IQGDREY-DM2MGTI-MGL3BXN-PQ6W5BM-TBBZ4TJ-XZWICQ2" compression="false"></node>
</repository>

2
internal/config/testdata/v4.xml vendored
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@ -1,5 +1,5 @@
<configuration version="4">
<repository id="test" directory="~/Sync" ro="true" ignorePerms="false" rescanIntervalS="600">
<repository id="test" directory="testdata/" ro="true" ignorePerms="false" rescanIntervalS="600">
<node id="AIR6LPZ-7K4PTTV-UXQSMUU-CPQ5YWH-OEDFIIQ-JUG777G-2YQXXR5-YD6AWQR"></node>
<node id="P56IOI7-MZJNU2Y-IQGDREY-DM2MGTI-MGL3BXN-PQ6W5BM-TBBZ4TJ-XZWICQ2"></node>
</repository>

2
internal/config/testdata/v5.xml vendored
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@ -1,5 +1,5 @@
<configuration version="5">
<folder id="test" path="~/Sync" ro="true" ignorePerms="false" rescanIntervalS="600">
<folder id="test" path="testdata/" ro="true" ignorePerms="false" rescanIntervalS="600">
<device id="AIR6LPZ-7K4PTTV-UXQSMUU-CPQ5YWH-OEDFIIQ-JUG777G-2YQXXR5-YD6AWQR"></device>
<device id="P56IOI7-MZJNU2Y-IQGDREY-DM2MGTI-MGL3BXN-PQ6W5BM-TBBZ4TJ-XZWICQ2"></device>
</folder>

12
internal/config/testdata/v6.xml vendored Normal file
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@ -0,0 +1,12 @@
<configuration version="6">
<folder id="test" path="testdata/" ro="true" ignorePerms="false" rescanIntervalS="600">
<device id="AIR6LPZ-7K4PTTV-UXQSMUU-CPQ5YWH-OEDFIIQ-JUG777G-2YQXXR5-YD6AWQR"></device>
<device id="P56IOI7-MZJNU2Y-IQGDREY-DM2MGTI-MGL3BXN-PQ6W5BM-TBBZ4TJ-XZWICQ2"></device>
</folder>
<device id="AIR6LPZ-7K4PTTV-UXQSMUU-CPQ5YWH-OEDFIIQ-JUG777G-2YQXXR5-YD6AWQR" name="node one" compression="true">
<address>a</address>
</device>
<device id="P56IOI7-MZJNU2Y-IQGDREY-DM2MGTI-MGL3BXN-PQ6W5BM-TBBZ4TJ-XZWICQ2" name="node two" compression="true">
<address>b</address>
</device>
</configuration>

2
internal/config/testdata/versioningconfig.xml vendored
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@ -1,5 +1,5 @@
<configuration version="2">
<repository id="test" directory="~/Sync" ro="true">
<repository id="test" directory="testdata/" ro="true">
<versioning type="simple">
<param key="foo" val="bar"/>
<param key="baz" val="quux"/>

2
internal/scanner/walk.go
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@ -113,7 +113,7 @@ func (w *Walker) walkAndHashFiles(fchan chan protocol.FileInfo) filepath.WalkFun
return nil
}
if sn := filepath.Base(rn); sn == ".stignore" || sn == ".stversions" || w.Ignores.Match(rn) {
if sn := filepath.Base(rn); sn == ".stignore" || sn == ".stversions" || sn == ".stfolder" || w.Ignores.Match(rn) {
// An ignored file
if debug {
l.Debugln("ignored:", rn)