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Merge pull request #27915 from rhvgoyal/graph-create-opts

Browse source 
Pass all graphdriver create() parameters in a struct
This commit is contained in:
Sebastiaan van Stijn 2016-11-10 01:07:41 +01:00 committed by GitHub
commit f11ac963af
19 changed files with 159 additions and 109 deletions
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8
daemon/graphdriver/aufs/aufs.go
View file

@ -205,15 +205,15 @@ func (a *Driver) Exists(id string) bool {
// CreateReadWrite creates a layer that is writable for use as a container
// file system.
func (a *Driver) CreateReadWrite(id, parent, mountLabel string, storageOpt map[string]string) error {
return a.Create(id, parent, mountLabel, storageOpt)
func (a *Driver) CreateReadWrite(id, parent string, opts *graphdriver.CreateOpts) error {
return a.Create(id, parent, opts)
}
// Create three folders for each id
// mnt, layers, and diff
func (a *Driver) Create(id, parent, mountLabel string, storageOpt map[string]string) error {
func (a *Driver) Create(id, parent string, opts *graphdriver.CreateOpts) error {
if len(storageOpt) != 0 {
if opts != nil && len(opts.StorageOpt) != 0 {
return fmt.Errorf("--storage-opt is not supported for aufs")
}

59
daemon/graphdriver/aufs/aufs_test.go
View file

@ -101,7 +101,7 @@ func TestCreateNewDir(t *testing.T) {
d := newDriver(t)
defer os.RemoveAll(tmp)
if err := d.Create("1", "", "", nil); err != nil {
if err := d.Create("1", "", nil); err != nil {
t.Fatal(err)
}
}
@ -110,7 +110,7 @@ func TestCreateNewDirStructure(t *testing.T) {
d := newDriver(t)
defer os.RemoveAll(tmp)
if err := d.Create("1", "", "", nil); err != nil {
if err := d.Create("1", "", nil); err != nil {
t.Fatal(err)
}
@ -131,7 +131,7 @@ func TestRemoveImage(t *testing.T) {
d := newDriver(t)
defer os.RemoveAll(tmp)
if err := d.Create("1", "", "", nil); err != nil {
if err := d.Create("1", "", nil); err != nil {
t.Fatal(err)
}
@ -156,7 +156,7 @@ func TestGetWithoutParent(t *testing.T) {
d := newDriver(t)
defer os.RemoveAll(tmp)
if err := d.Create("1", "", "", nil); err != nil {
if err := d.Create("1", "", nil); err != nil {
t.Fatal(err)
}
@ -183,7 +183,7 @@ func TestCleanupWithDir(t *testing.T) {
d := newDriver(t)
defer os.RemoveAll(tmp)
if err := d.Create("1", "", "", nil); err != nil {
if err := d.Create("1", "", nil); err != nil {
t.Fatal(err)
}
@ -196,7 +196,7 @@ func TestMountedFalseResponse(t *testing.T) {
d := newDriver(t)
defer os.RemoveAll(tmp)
if err := d.Create("1", "", "", nil); err != nil {
if err := d.Create("1", "", nil); err != nil {
t.Fatal(err)
}
@ -215,10 +215,10 @@ func TestMountedTrueReponse(t *testing.T) {
defer os.RemoveAll(tmp)
defer d.Cleanup()
if err := d.Create("1", "", "", nil); err != nil {
if err := d.Create("1", "", nil); err != nil {
t.Fatal(err)
}
if err := d.Create("2", "1", "", nil); err != nil {
if err := d.Create("2", "1", nil); err != nil {
t.Fatal(err)
}
@ -241,10 +241,10 @@ func TestMountWithParent(t *testing.T) {
d := newDriver(t)
defer os.RemoveAll(tmp)
if err := d.Create("1", "", "", nil); err != nil {
if err := d.Create("1", "", nil); err != nil {
t.Fatal(err)
}
if err := d.Create("2", "1", "", nil); err != nil {
if err := d.Create("2", "1", nil); err != nil {
t.Fatal(err)
}
@ -272,10 +272,10 @@ func TestRemoveMountedDir(t *testing.T) {
d := newDriver(t)
defer os.RemoveAll(tmp)
if err := d.Create("1", "", "", nil); err != nil {
if err := d.Create("1", "", nil); err != nil {
t.Fatal(err)
}
if err := d.Create("2", "1", "", nil); err != nil {
if err := d.Create("2", "1", nil); err != nil {
t.Fatal(err)
}
@ -311,7 +311,7 @@ func TestCreateWithInvalidParent(t *testing.T) {
d := newDriver(t)
defer os.RemoveAll(tmp)
if err := d.Create("1", "docker", "", nil); err == nil {
if err := d.Create("1", "docker", nil); err == nil {
t.Fatalf("Error should not be nil with parent does not exist")
}
}
@ -320,7 +320,7 @@ func TestGetDiff(t *testing.T) {
d := newDriver(t)
defer os.RemoveAll(tmp)
if err := d.CreateReadWrite("1", "", "", nil); err != nil {
if err := d.CreateReadWrite("1", "", nil); err != nil {
t.Fatal(err)
}
@ -354,10 +354,11 @@ func TestChanges(t *testing.T) {
d := newDriver(t)
defer os.RemoveAll(tmp)
if err := d.Create("1", "", "", nil); err != nil {
if err := d.Create("1", "", nil); err != nil {
t.Fatal(err)
}
if err := d.CreateReadWrite("2", "1", "", nil); err != nil {
if err := d.CreateReadWrite("2", "1", nil); err != nil {
t.Fatal(err)
}
@ -403,7 +404,7 @@ func TestChanges(t *testing.T) {
t.Fatalf("Change kind should be ChangeAdd got %s", change.Kind)
}
if err := d.CreateReadWrite("3", "2", "", nil); err != nil {
if err := d.CreateReadWrite("3", "2", nil); err != nil {
t.Fatal(err)
}
mntPoint, err = d.Get("3", "")
@ -448,7 +449,7 @@ func TestDiffSize(t *testing.T) {
d := newDriver(t)
defer os.RemoveAll(tmp)
if err := d.CreateReadWrite("1", "", "", nil); err != nil {
if err := d.CreateReadWrite("1", "", nil); err != nil {
t.Fatal(err)
}
@ -490,7 +491,7 @@ func TestChildDiffSize(t *testing.T) {
defer os.RemoveAll(tmp)
defer d.Cleanup()
if err := d.CreateReadWrite("1", "", "", nil); err != nil {
if err := d.CreateReadWrite("1", "", nil); err != nil {
t.Fatal(err)
}
@ -526,7 +527,7 @@ func TestChildDiffSize(t *testing.T) {
t.Fatalf("Expected size to be %d got %d", size, diffSize)
}
if err := d.Create("2", "1", "", nil); err != nil {
if err := d.Create("2", "1", nil); err != nil {
t.Fatal(err)
}
@ -545,7 +546,7 @@ func TestExists(t *testing.T) {
defer os.RemoveAll(tmp)
defer d.Cleanup()
if err := d.Create("1", "", "", nil); err != nil {
if err := d.Create("1", "", nil); err != nil {
t.Fatal(err)
}
@ -563,7 +564,7 @@ func TestStatus(t *testing.T) {
defer os.RemoveAll(tmp)
defer d.Cleanup()
if err := d.Create("1", "", "", nil); err != nil {
if err := d.Create("1", "", nil); err != nil {
t.Fatal(err)
}
@ -592,7 +593,7 @@ func TestApplyDiff(t *testing.T) {
defer os.RemoveAll(tmp)
defer d.Cleanup()
if err := d.CreateReadWrite("1", "", "", nil); err != nil {
if err := d.CreateReadWrite("1", "", nil); err != nil {
t.Fatal(err)
}
@ -618,10 +619,10 @@ func TestApplyDiff(t *testing.T) {
t.Fatal(err)
}
if err := d.Create("2", "", "", nil); err != nil {
if err := d.Create("2", "", nil); err != nil {
t.Fatal(err)
}
if err := d.Create("3", "2", "", nil); err != nil {
if err := d.Create("3", "2", nil); err != nil {
t.Fatal(err)
}
@ -671,7 +672,7 @@ func testMountMoreThan42Layers(t *testing.T, mountPath string) {
}
current = hash(current)
if err := d.CreateReadWrite(current, parent, "", nil); err != nil {
if err := d.CreateReadWrite(current, parent, nil); err != nil {
t.Logf("Current layer %d", i)
t.Error(err)
}
@ -750,11 +751,11 @@ func BenchmarkConcurrentAccess(b *testing.B) {
ids = append(ids, stringid.GenerateNonCryptoID())
}
if err := d.Create(ids[0], "", "", nil); err != nil {
if err := d.Create(ids[0], "", nil); err != nil {
b.Fatal(err)
}
if err := d.Create(ids[1], ids[0], "", nil); err != nil {
if err := d.Create(ids[1], ids[0], nil); err != nil {
b.Fatal(err)
}
@ -770,7 +771,7 @@ func BenchmarkConcurrentAccess(b *testing.B) {
for _, id := range ids {
go func(id string) {
defer outerGroup.Done()
if err := d.Create(id, parent, "", nil); err != nil {
if err := d.Create(id, parent, nil); err != nil {
b.Logf("Create %s failed", id)
chErr <- err
return

16
daemon/graphdriver/btrfs/btrfs.go
View file

@ -376,12 +376,12 @@ func (d *Driver) subvolumesDirID(id string) string {
// CreateReadWrite creates a layer that is writable for use as a container
// file system.
func (d *Driver) CreateReadWrite(id, parent, mountLabel string, storageOpt map[string]string) error {
return d.Create(id, parent, mountLabel, storageOpt)
func (d *Driver) CreateReadWrite(id, parent string, opts *graphdriver.CreateOpts) error {
return d.Create(id, parent, opts)
}
// Create the filesystem with given id.
func (d *Driver) Create(id, parent, mountLabel string, storageOpt map[string]string) error {
func (d *Driver) Create(id, parent string, opts *graphdriver.CreateOpts) error {
subvolumes := path.Join(d.home, "subvolumes")
rootUID, rootGID, err := idtools.GetRootUIDGID(d.uidMaps, d.gidMaps)
if err != nil {
@ -408,6 +408,11 @@ func (d *Driver) Create(id, parent, mountLabel string, storageOpt map[string]str
}
}
var storageOpt map[string]string
if opts != nil {
storageOpt = opts.StorageOpt
}
if _, ok := storageOpt["size"]; ok {
driver := &Driver{}
if err := d.parseStorageOpt(storageOpt, driver); err != nil {
@ -426,6 +431,11 @@ func (d *Driver) Create(id, parent, mountLabel string, storageOpt map[string]str
}
}
mountLabel := ""
if opts != nil {
mountLabel = opts.MountLabel
}
return label.Relabel(path.Join(subvolumes, id), mountLabel, false)
}

2
daemon/graphdriver/btrfs/btrfs_test.go
View file

@ -30,7 +30,7 @@ func TestBtrfsCreateSnap(t *testing.T) {
func TestBtrfsSubvolDelete(t *testing.T) {
d := graphtest.GetDriver(t, "btrfs")
if err := d.CreateReadWrite("test", "", "", nil); err != nil {
if err := d.CreateReadWrite("test", "", nil); err != nil {
t.Fatal(err)
}
defer graphtest.PutDriver(t)

11
daemon/graphdriver/devmapper/driver.go
View file

@ -122,12 +122,17 @@ func (d *Driver) Cleanup() error {
// CreateReadWrite creates a layer that is writable for use as a container
// file system.
func (d *Driver) CreateReadWrite(id, parent, mountLabel string, storageOpt map[string]string) error {
return d.Create(id, parent, mountLabel, storageOpt)
func (d *Driver) CreateReadWrite(id, parent string, opts *graphdriver.CreateOpts) error {
return d.Create(id, parent, opts)
}
// Create adds a device with a given id and the parent.
func (d *Driver) Create(id, parent, mountLabel string, storageOpt map[string]string) error {
func (d *Driver) Create(id, parent string, opts *graphdriver.CreateOpts) error {
var storageOpt map[string]string
if opts != nil {
storageOpt = opts.StorageOpt
}
if err := d.DeviceSet.AddDevice(id, parent, storageOpt); err != nil {
return err
}

17
daemon/graphdriver/driver.go
View file

@ -36,6 +36,13 @@ var (
ErrIncompatibleFS = fmt.Errorf("backing file system is unsupported for this graph driver")
)
//CreateOpts contains optional arguments for Create() and CreateReadWrite()
// methods.
type CreateOpts struct {
MountLabel string
StorageOpt map[string]string
}
// InitFunc initializes the storage driver.
type InitFunc func(root string, options []string, uidMaps, gidMaps []idtools.IDMap) (Driver, error)
@ -49,11 +56,13 @@ type ProtoDriver interface {
// String returns a string representation of this driver.
String() string
// CreateReadWrite creates a new, empty filesystem layer that is ready
// to be used as the storage for a container.
CreateReadWrite(id, parent, mountLabel string, storageOpt map[string]string) error
// to be used as the storage for a container. Additional options can
// be passed in opts. parent may be "" and opts may be nil.
CreateReadWrite(id, parent string, opts *CreateOpts) error
// Create creates a new, empty, filesystem layer with the
// specified id and parent and mountLabel. Parent and mountLabel may be "".
Create(id, parent, mountLabel string, storageOpt map[string]string) error
// specified id and parent and options passed in opts. Parent
// may be "" and opts may be nil.
Create(id, parent string, opts *CreateOpts) error
// Remove attempts to remove the filesystem layer with this id.
Remove(id string) error
// Get returns the mountpoint for the layered filesystem referred

25
daemon/graphdriver/graphtest/graphbench_unix.go
View file

@ -19,7 +19,7 @@ func DriverBenchExists(b *testing.B, drivername string, driveroptions ...string)
base := stringid.GenerateRandomID()
if err := driver.Create(base, "", "", nil); err != nil {
if err := driver.Create(base, "", nil); err != nil {
b.Fatal(err)
}
@ -38,7 +38,7 @@ func DriverBenchGetEmpty(b *testing.B, drivername string, driveroptions ...strin
base := stringid.GenerateRandomID()
if err := driver.Create(base, "", "", nil); err != nil {
if err := driver.Create(base, "", nil); err != nil {
b.Fatal(err)
}
@ -62,8 +62,7 @@ func DriverBenchDiffBase(b *testing.B, drivername string, driveroptions ...strin
defer PutDriver(b)
base := stringid.GenerateRandomID()
if err := driver.Create(base, "", "", nil); err != nil {
if err := driver.Create(base, "", nil); err != nil {
b.Fatal(err)
}
@ -92,8 +91,7 @@ func DriverBenchDiffN(b *testing.B, bottom, top int, drivername string, driverop
defer PutDriver(b)
base := stringid.GenerateRandomID()
upper := stringid.GenerateRandomID()
if err := driver.Create(base, "", "", nil); err != nil {
if err := driver.Create(base, "", nil); err != nil {
b.Fatal(err)
}
@ -101,7 +99,7 @@ func DriverBenchDiffN(b *testing.B, bottom, top int, drivername string, driverop
b.Fatal(err)
}
if err := driver.Create(upper, base, "", nil); err != nil {
if err := driver.Create(upper, base, nil); err != nil {
b.Fatal(err)
}
@ -128,8 +126,7 @@ func DriverBenchDiffApplyN(b *testing.B, fileCount int, drivername string, drive
defer PutDriver(b)
base := stringid.GenerateRandomID()
upper := stringid.GenerateRandomID()
if err := driver.Create(base, "", "", nil); err != nil {
if err := driver.Create(base, "", nil); err != nil {
b.Fatal(err)
}
@ -137,7 +134,7 @@ func DriverBenchDiffApplyN(b *testing.B, fileCount int, drivername string, drive
b.Fatal(err)
}
if err := driver.Create(upper, base, "", nil); err != nil {
if err := driver.Create(upper, base, nil); err != nil {
b.Fatal(err)
}
@ -152,7 +149,7 @@ func DriverBenchDiffApplyN(b *testing.B, fileCount int, drivername string, drive
b.StopTimer()
for i := 0; i < b.N; i++ {
diff := stringid.GenerateRandomID()
if err := driver.Create(diff, base, "", nil); err != nil {
if err := driver.Create(diff, base, nil); err != nil {
b.Fatal(err)
}
@ -191,8 +188,7 @@ func DriverBenchDeepLayerDiff(b *testing.B, layerCount int, drivername string, d
defer PutDriver(b)
base := stringid.GenerateRandomID()
if err := driver.Create(base, "", "", nil); err != nil {
if err := driver.Create(base, "", nil); err != nil {
b.Fatal(err)
}
@ -225,8 +221,7 @@ func DriverBenchDeepLayerRead(b *testing.B, layerCount int, drivername string, d
defer PutDriver(b)
base := stringid.GenerateRandomID()
if err := driver.Create(base, "", "", nil); err != nil {
if err := driver.Create(base, "", nil); err != nil {
b.Fatal(err)
}

25
daemon/graphdriver/graphtest/graphtest_unix.go
View file

@ -86,7 +86,7 @@ func DriverTestCreateEmpty(t testing.TB, drivername string, driverOptions ...str
driver := GetDriver(t, drivername, driverOptions...)
defer PutDriver(t)
if err := driver.Create("empty", "", "", nil); err != nil {
if err := driver.Create("empty", "", nil); err != nil {
t.Fatal(err)
}
@ -147,7 +147,7 @@ func DriverTestCreateSnap(t testing.TB, drivername string, driverOptions ...stri
}
}()
if err := driver.Create("Snap", "Base", "", nil); err != nil {
if err := driver.Create("Snap", "Base", nil); err != nil {
t.Fatal(err)
}
@ -166,8 +166,7 @@ func DriverTestDeepLayerRead(t testing.TB, layerCount int, drivername string, dr
defer PutDriver(t)
base := stringid.GenerateRandomID()
if err := driver.Create(base, "", "", nil); err != nil {
if err := driver.Create(base, "", nil); err != nil {
t.Fatal(err)
}
@ -201,7 +200,7 @@ func DriverTestDiffApply(t testing.TB, fileCount int, drivername string, driverO
deleteFileContent := []byte("This file should get removed in upper!")
deleteDir := "var/lib"
if err := driver.Create(base, "", "", nil); err != nil {
if err := driver.Create(base, "", nil); err != nil {
t.Fatal(err)
}
@ -217,7 +216,7 @@ func DriverTestDiffApply(t testing.TB, fileCount int, drivername string, driverO
t.Fatal(err)
}
if err := driver.Create(upper, base, "", nil); err != nil {
if err := driver.Create(upper, base, nil); err != nil {
t.Fatal(err)
}
@ -235,7 +234,7 @@ func DriverTestDiffApply(t testing.TB, fileCount int, drivername string, driverO
}
diff := stringid.GenerateRandomID()
if err := driver.Create(diff, base, "", nil); err != nil {
if err := driver.Create(diff, base, nil); err != nil {
t.Fatal(err)
}
@ -288,8 +287,7 @@ func DriverTestChanges(t testing.TB, drivername string, driverOptions ...string)
defer PutDriver(t)
base := stringid.GenerateRandomID()
upper := stringid.GenerateRandomID()
if err := driver.Create(base, "", "", nil); err != nil {
if err := driver.Create(base, "", nil); err != nil {
t.Fatal(err)
}
@ -297,7 +295,7 @@ func DriverTestChanges(t testing.TB, drivername string, driverOptions ...string)
t.Fatal(err)
}
if err := driver.Create(upper, base, "", nil); err != nil {
if err := driver.Create(upper, base, nil); err != nil {
t.Fatal(err)
}
@ -339,9 +337,10 @@ func DriverTestSetQuota(t *testing.T, drivername string) {
defer PutDriver(t)
createBase(t, driver, "Base")
storageOpt := make(map[string]string, 1)
storageOpt["size"] = "50M"
if err := driver.Create("zfsTest", "Base", "", storageOpt); err != nil {
createOpts := &graphdriver.CreateOpts{}
createOpts.StorageOpt = make(map[string]string, 1)
createOpts.StorageOpt["size"] = "50M"
if err := driver.Create("zfsTest", "Base", createOpts); err != nil {
t.Fatal(err)
}

2
daemon/graphdriver/graphtest/testutil.go
View file

@ -275,7 +275,7 @@ func addManyLayers(drv graphdriver.Driver, baseLayer string, count int) (string,
lastLayer := baseLayer
for i := 1; i <= count; i++ {
nextLayer := stringid.GenerateRandomID()
if err := drv.Create(nextLayer, lastLayer, "", nil); err != nil {
if err := drv.Create(nextLayer, lastLayer, nil); err != nil {
return "", err
}
if err := addLayerFiles(drv, nextLayer, lastLayer, i); err != nil {

2
daemon/graphdriver/graphtest/testutil_unix.go
View file

@ -94,7 +94,7 @@ func createBase(t testing.TB, driver graphdriver.Driver, name string) {
oldmask := syscall.Umask(0)
defer syscall.Umask(oldmask)
if err := driver.CreateReadWrite(name, "", "", nil); err != nil {
if err := driver.CreateReadWrite(name, "", nil); err != nil {
t.Fatal(err)
}

8
daemon/graphdriver/overlay/overlay.go
View file

@ -231,15 +231,15 @@ func (d *Driver) Cleanup() error {
// CreateReadWrite creates a layer that is writable for use as a container
// file system.
func (d *Driver) CreateReadWrite(id, parent, mountLabel string, storageOpt map[string]string) error {
return d.Create(id, parent, mountLabel, storageOpt)
func (d *Driver) CreateReadWrite(id, parent string, opts *graphdriver.CreateOpts) error {
return d.Create(id, parent, opts)
}
// Create is used to create the upper, lower, and merge directories required for overlay fs for a given id.
// The parent filesystem is used to configure these directories for the overlay.
func (d *Driver) Create(id, parent, mountLabel string, storageOpt map[string]string) (retErr error) {
func (d *Driver) Create(id, parent string, opts *graphdriver.CreateOpts) (retErr error) {
if len(storageOpt) != 0 {
if opts != nil && len(opts.StorageOpt) != 0 {
return fmt.Errorf("--storage-opt is not supported for overlay")
}

12
daemon/graphdriver/overlay2/overlay.go
View file

@ -282,15 +282,15 @@ func (d *Driver) Cleanup() error {
// CreateReadWrite creates a layer that is writable for use as a container
// file system.
func (d *Driver) CreateReadWrite(id, parent, mountLabel string, storageOpt map[string]string) error {
return d.Create(id, parent, mountLabel, storageOpt)
func (d *Driver) CreateReadWrite(id, parent string, opts *graphdriver.CreateOpts) error {
return d.Create(id, parent, opts)
}
// Create is used to create the upper, lower, and merge directories required for overlay fs for a given id.
// The parent filesystem is used to configure these directories for the overlay.
func (d *Driver) Create(id, parent, mountLabel string, storageOpt map[string]string) (retErr error) {
func (d *Driver) Create(id, parent string, opts *graphdriver.CreateOpts) (retErr error) {
if len(storageOpt) != 0 && !projectQuotaSupported {
if opts != nil && len(opts.StorageOpt) != 0 && !projectQuotaSupported {
return fmt.Errorf("--storage-opt is supported only for overlay over xfs with 'pquota' mount option")
}
@ -314,9 +314,9 @@ func (d *Driver) Create(id, parent, mountLabel string, storageOpt map[string]str
}
}()
if len(storageOpt) > 0 {
if opts != nil && len(opts.StorageOpt) > 0 {
driver := &Driver{}
if err := d.parseStorageOpt(storageOpt, driver); err != nil {
if err := d.parseStorageOpt(opts.StorageOpt, driver); err != nil {
return err
}

13
daemon/graphdriver/proxy.go
View file

@ -53,7 +53,12 @@ func (d *graphDriverProxy) String() string {
return d.name
}
func (d *graphDriverProxy) CreateReadWrite(id, parent, mountLabel string, storageOpt map[string]string) error {
func (d *graphDriverProxy) CreateReadWrite(id, parent string, opts *CreateOpts) error {
mountLabel := ""
if opts != nil {
mountLabel = opts.MountLabel
}
args := &graphDriverRequest{
ID: id,
Parent: parent,
@ -69,7 +74,11 @@ func (d *graphDriverProxy) CreateReadWrite(id, parent, mountLabel string, storag
return nil
}
func (d *graphDriverProxy) Create(id, parent, mountLabel string, storageOpt map[string]string) error {
func (d *graphDriverProxy) Create(id, parent string, opts *CreateOpts) error {
mountLabel := ""
if opts != nil {
mountLabel = opts.MountLabel
}
args := &graphDriverRequest{
ID: id,
Parent: parent,

12
daemon/graphdriver/vfs/driver.go
View file

@ -70,13 +70,13 @@ func (d *Driver) Cleanup() error {
// CreateReadWrite creates a layer that is writable for use as a container
// file system.
func (d *Driver) CreateReadWrite(id, parent, mountLabel string, storageOpt map[string]string) error {
return d.Create(id, parent, mountLabel, storageOpt)
func (d *Driver) CreateReadWrite(id, parent string, opts *graphdriver.CreateOpts) error {
return d.Create(id, parent, opts)
}
// Create prepares the filesystem for the VFS driver and copies the directory for the given id under the parent.
func (d *Driver) Create(id, parent, mountLabel string, storageOpt map[string]string) error {
if len(storageOpt) != 0 {
func (d *Driver) Create(id, parent string, opts *graphdriver.CreateOpts) error {
if opts != nil && len(opts.StorageOpt) != 0 {
return fmt.Errorf("--storage-opt is not supported for vfs")
}
@ -91,8 +91,8 @@ func (d *Driver) Create(id, parent, mountLabel string, storageOpt map[string]str
if err := idtools.MkdirAs(dir, 0755, rootUID, rootGID); err != nil {
return err
}
opts := []string{"level:s0"}
if _, mountLabel, err := label.InitLabels(opts); err == nil {
labelOpts := []string{"level:s0"}
if _, mountLabel, err := label.InitLabels(labelOpts); err == nil {
label.SetFileLabel(dir, mountLabel)
}
if parent == "" {

16
daemon/graphdriver/windows/windows.go
View file

@ -161,13 +161,21 @@ func (d *Driver) Exists(id string) bool {
// CreateReadWrite creates a layer that is writable for use as a container
// file system.
func (d *Driver) CreateReadWrite(id, parent, mountLabel string, storageOpt map[string]string) error {
return d.create(id, parent, mountLabel, false, storageOpt)
func (d *Driver) CreateReadWrite(id, parent string, opts *graphdriver.CreateOpts) error {
if opts != nil {
return d.create(id, parent, opts.MountLabel, false, opts.StorageOpt)
} else {
return d.create(id, parent, "", false, nil)
}
}
// Create creates a new read-only layer with the given id.
func (d *Driver) Create(id, parent, mountLabel string, storageOpt map[string]string) error {
return d.create(id, parent, mountLabel, true, storageOpt)
func (d *Driver) Create(id, parent string, opts *graphdriver.CreateOpts) error {
if opts != nil {
return d.create(id, parent, opts.MountLabel, true, opts.StorageOpt)
} else {
return d.create(id, parent, "", true, nil)
}
}
func (d *Driver) create(id, parent, mountLabel string, readOnly bool, storageOpt map[string]string) error {

11
daemon/graphdriver/zfs/zfs.go
View file

@ -255,12 +255,17 @@ func (d *Driver) mountPath(id string) string {
// CreateReadWrite creates a layer that is writable for use as a container
// file system.
func (d *Driver) CreateReadWrite(id, parent, mountLabel string, storageOpt map[string]string) error {
return d.Create(id, parent, mountLabel, storageOpt)
func (d *Driver) CreateReadWrite(id, parent string, opts *graphdriver.CreateOpts) error {
return d.Create(id, parent, opts)
}
// Create prepares the dataset and filesystem for the ZFS driver for the given id under the parent.
func (d *Driver) Create(id string, parent string, mountLabel string, storageOpt map[string]string) error {
func (d *Driver) Create(id, parent string, opts *graphdriver.CreateOpts) error {
var storageOpt map[string]string
if opts != nil {
storageOpt = opts.StorageOpt
}
err := d.create(id, parent, storageOpt)
if err == nil {
return nil

4
integration-cli/docker_cli_external_graphdriver_unix_test.go
View file

@ -145,7 +145,7 @@ func (s *DockerExternalGraphdriverSuite) setUpPlugin(c *check.C, name string, ex
if err := decReq(r.Body, &req, w); err != nil {
return
}
if err := driver.CreateReadWrite(req.ID, req.Parent, "", nil); err != nil {
if err := driver.CreateReadWrite(req.ID, req.Parent, nil); err != nil {
respond(w, err)
return
}
@ -159,7 +159,7 @@ func (s *DockerExternalGraphdriverSuite) setUpPlugin(c *check.C, name string, ex
if err := decReq(r.Body, &req, w); err != nil {
return
}
if err := driver.Create(req.ID, req.Parent, "", nil); err != nil {
if err := driver.Create(req.ID, req.Parent, nil); err != nil {
respond(w, err)
return
}

15
layer/layer_store.go
View file

@ -277,7 +277,7 @@ func (ls *layerStore) registerWithDescriptor(ts io.Reader, parent ChainID, descr
descriptor: descriptor,
}
if err = ls.driver.Create(layer.cacheID, pid, "", nil); err != nil {
if err = ls.driver.Create(layer.cacheID, pid, nil); err != nil {
return nil, err
}
@ -488,7 +488,11 @@ func (ls *layerStore) CreateRWLayer(name string, parent ChainID, mountLabel stri
m.initID = pid
}
if err = ls.driver.CreateReadWrite(m.mountID, pid, "", storageOpt); err != nil {
createOpts := &graphdriver.CreateOpts{
StorageOpt: storageOpt,
}
if err = ls.driver.CreateReadWrite(m.mountID, pid, createOpts); err != nil {
return nil, err
}
@ -598,7 +602,12 @@ func (ls *layerStore) initMount(graphID, parent, mountLabel string, initFunc Mou
// then the initID should be randomly generated.
initID := fmt.Sprintf("%s-init", graphID)
if err := ls.driver.CreateReadWrite(initID, parent, mountLabel, storageOpt); err != nil {
createOpts := &graphdriver.CreateOpts{
MountLabel: mountLabel,
StorageOpt: storageOpt,
}
if err := ls.driver.CreateReadWrite(initID, parent, createOpts); err != nil {
return "", err
}
p, err := ls.driver.Get(initID, "")

10
layer/migration_test.go
View file

@ -78,7 +78,7 @@ func TestLayerMigration(t *testing.T) {
}
graphID1 := stringid.GenerateRandomID()
if err := graph.Create(graphID1, "", "", nil); err != nil {
if err := graph.Create(graphID1, "", nil); err != nil {
t.Fatal(err)
}
if _, err := graph.ApplyDiff(graphID1, "", bytes.NewReader(tar1)); err != nil {
@ -123,7 +123,7 @@ func TestLayerMigration(t *testing.T) {
}
graphID2 := stringid.GenerateRandomID()
if err := graph.Create(graphID2, graphID1, "", nil); err != nil {
if err := graph.Create(graphID2, graphID1, nil); err != nil {
t.Fatal(err)
}
if _, err := graph.ApplyDiff(graphID2, graphID1, bytes.NewReader(tar2)); err != nil {
@ -165,7 +165,7 @@ func tarFromFilesInGraph(graph graphdriver.Driver, graphID, parentID string, fil
return nil, err
}
if err := graph.Create(graphID, parentID, "", nil); err != nil {
if err := graph.Create(graphID, parentID, nil); err != nil {
return nil, err
}
if _, err := graph.ApplyDiff(graphID, parentID, bytes.NewReader(t)); err != nil {
@ -320,14 +320,14 @@ func TestMountMigration(t *testing.T) {
containerID := stringid.GenerateRandomID()
containerInit := fmt.Sprintf("%s-init", containerID)
if err := graph.Create(containerInit, graphID1, "", nil); err != nil {
if err := graph.Create(containerInit, graphID1, nil); err != nil {
t.Fatal(err)
}
if _, err := graph.ApplyDiff(containerInit, graphID1, bytes.NewReader(initTar)); err != nil {
t.Fatal(err)
}
if err := graph.Create(containerID, containerInit, "", nil); err != nil {
if err := graph.Create(containerID, containerInit, nil); err != nil {
t.Fatal(err)
}
if _, err := graph.ApplyDiff(containerID, containerInit, bytes.NewReader(mountTar)); err != nil {