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Update Windows runtime to use snapshotter and differ layers

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This changes the Windows runtime to use the snapshotter and differ
created layers, and updates the ctr commands to use the snapshotter and differ.

Signed-off-by: Darren Stahl <darst@microsoft.com>
This commit is contained in:
Darren Stahl 2018-01-05 13:30:26 -08:00
parent a5a9f91832
commit dcff993653
9 changed files with 92 additions and 318 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

61
cmd/ctr/commands/run/run_windows.go
View File

@ -7,32 +7,12 @@ import (
"github.com/containerd/containerd"
"github.com/containerd/containerd/cmd/ctr/commands"
"github.com/containerd/containerd/containers"
"github.com/containerd/containerd/errdefs"
"github.com/containerd/containerd/oci"
specs "github.com/opencontainers/runtime-spec/specs-go"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
"github.com/urfave/cli"
)
func init() {
Command.Flags = append(Command.Flags, cli.StringSliceFlag{
Name: "layer",
Usage: "HCSSHIM Layers to be used",
})
}
func withLayers(context *cli.Context) oci.SpecOpts {
return func(ctx gocontext.Context, client oci.Client, c *containers.Container, s *specs.Spec) error {
l := context.StringSlice("layer")
if l == nil {
return errors.Wrap(errdefs.ErrInvalidArgument, "base layers must be specified with `--layer`")
}
s.Windows.LayerFolders = l
return nil
}
}
func withTTY(terminal bool) oci.SpecOpts {
if !terminal {
return func(ctx gocontext.Context, client oci.Client, c *containers.Container, s *specs.Spec) error {
@ -51,36 +31,39 @@ func withTTY(terminal bool) oci.SpecOpts {
func newContainer(ctx gocontext.Context, client *containerd.Client, context *cli.Context) (containerd.Container, error) {
var (
// ref = context.Args().First()
ref = context.Args().First()
id = context.Args().Get(1)
args = context.Args()[2:]
tty = context.Bool("tty")
labelStrings = context.StringSlice("label")
)
labels := commands.LabelArgs(labelStrings)
// TODO(mlaventure): get base image once we have a snapshotter
opts := []oci.SpecOpts{
// TODO(mlaventure): use oci.WithImageConfig once we have a snapshotter
withLayers(context),
oci.WithEnv(context.StringSlice("env")),
withMounts(context),
withTTY(tty),
image, err := client.GetImage(ctx, ref)
if err != nil {
return nil, err
}
var (
opts []oci.SpecOpts
cOpts []containerd.NewContainerOpts
)
opts = append(opts, oci.WithImageConfig(image))
opts = append(opts, oci.WithEnv(context.StringSlice("env")))
opts = append(opts, withMounts(context))
if len(args) > 0 {
opts = append(opts, oci.WithProcessArgs(args...))
}
if cwd := context.String("cwd"); cwd != "" {
opts = append(opts, oci.WithProcessCwd(cwd))
}
return client.NewContainer(ctx, id,
containerd.WithNewSpec(opts...),
containerd.WithContainerLabels(labels),
containerd.WithRuntime(context.String("runtime"), nil),
// TODO(mlaventure): containerd.WithImage(image),
)
opts = append(opts, withTTY(context.Bool("tty")))
cOpts = append(cOpts, containerd.WithContainerLabels(commands.LabelArgs(context.StringSlice("label"))))
cOpts = append(cOpts, containerd.WithImage(image))
cOpts = append(cOpts, containerd.WithSnapshotter(context.String("snapshotter")))
cOpts = append(cOpts, containerd.WithNewSnapshot(id, image))
cOpts = append(cOpts, containerd.WithRuntime(context.String("runtime"), nil))
cOpts = append([]containerd.NewContainerOpts{containerd.WithNewSpec(opts...)}, cOpts...)
return client.NewContainer(ctx, id, cOpts...)
}
func getNewTaskOpts(_ *cli.Context) []containerd.NewTaskOpts {

2
diff/windows/windows.go
View File

@ -140,7 +140,7 @@ func (s *windowsDiff) Apply(ctx context.Context, desc ocispec.Descriptor, mounts
// DiffMounts creates a diff between the given mounts and uploads the result
// to the content store.
func (s *windowsDiff) DiffMounts(ctx context.Context, lower, upper []mount.Mount, opts ...diff.Opt) (d ocispec.Descriptor, err error) {
panic("not implemented on Windows")
return emptyDesc, errdefs.ErrNotImplemented
}
type readCounter struct {

11
mount/mount_windows.go
View File

@ -39,11 +39,6 @@ func (m *Mount) Mount(target string) error {
if err = hcsshim.PrepareLayer(di, layerID, parentLayerPaths); err != nil {
return errors.Wrapf(err, "failed to prepare layer %s", m.Source)
}
defer func() {
if err != nil {
hcsshim.UnprepareLayer(di, layerID)
}
}()
return nil
}
@ -67,10 +62,12 @@ func (m *Mount) GetParentPaths() ([]string, error) {
// Unmount the mount at the provided path
func Unmount(mount string, flags int) error {
home, layerID := filepath.Split(mount)
var di = hcsshim.DriverInfo{
var (
home, layerID = filepath.Split(mount)
di = hcsshim.DriverInfo{
HomeDir: home,
}
)
if err := hcsshim.UnprepareLayer(di, layerID); err != nil {
return errors.Wrapf(err, "failed to unprepare layer %s", mount)

16
snapshots/windows/utilities.go
View File

@ -1,16 +0,0 @@
// +build windows
package windows
import (
"context"
"github.com/containerd/containerd/log"
"github.com/containerd/containerd/snapshots/storage"
)
func rollbackWithLogging(ctx context.Context, t storage.Transactor) {
if err := t.Rollback(); err != nil {
log.G(ctx).WithError(err).Warn("failed to rollback transaction")
}
}

68
snapshots/windows/windows.go
View File

@ -41,12 +41,12 @@ type snapshotter struct {
// NewSnapshotter returns a new windows snapshotter
func NewSnapshotter(root string) (snapshots.Snapshotter, error) {
fsType, err := getFileSystemType(string(root[0]))
fsType, err := getFileSystemType(root)
if err != nil {
return nil, err
}
if strings.ToLower(fsType) == "refs" {
return nil, errors.Wrapf(errdefs.ErrInvalidArgument, "%s is on an ReFS volume - ReFS volumes are not supported", root)
if strings.ToLower(fsType) != "ntfs" {
return nil, errors.Wrapf(errdefs.ErrInvalidArgument, "%s is not on an NTFS volume - only NTFS volumes are supported", root)
}
if err := os.MkdirAll(root, 0700); err != nil {
@ -83,11 +83,7 @@ func (s *snapshotter) Stat(ctx context.Context, key string) (snapshots.Info, err
defer t.Rollback()
_, info, _, err := storage.GetInfo(ctx, key)
if err != nil {
return snapshots.Info{}, err
}
return info, nil
return info, err
}
func (s *snapshotter) Update(ctx context.Context, info snapshots.Info, fieldpaths ...string) (snapshots.Info, error) {
@ -95,13 +91,7 @@ func (s *snapshotter) Update(ctx context.Context, info snapshots.Info, fieldpath
if err != nil {
return snapshots.Info{}, err
}
var committed bool
defer func() {
if committed == false {
rollbackWithLogging(ctx, t)
}
}()
defer t.Rollback()
info, err = storage.UpdateInfo(ctx, info, fieldpaths...)
if err != nil {
@ -111,7 +101,6 @@ func (s *snapshotter) Update(ctx context.Context, info snapshots.Info, fieldpath
if err := t.Commit(); err != nil {
return snapshots.Info{}, err
}
committed = true
return info, nil
}
@ -156,6 +145,7 @@ func (s *snapshotter) Mounts(ctx context.Context, key string) ([]mount.Mount, er
return nil, err
}
defer t.Rollback()
snapshot, err := storage.GetSnapshot(ctx, key)
if err != nil {
return nil, errors.Wrap(err, "failed to get snapshot mount")
@ -168,13 +158,8 @@ func (s *snapshotter) Commit(ctx context.Context, name, key string, opts ...snap
if err != nil {
return err
}
defer t.Rollback()
var committed bool
defer func() {
if committed == false {
rollbackWithLogging(ctx, t)
}
}()
usage := fs.Usage{
Size: 0,
}
@ -186,7 +171,6 @@ func (s *snapshotter) Commit(ctx context.Context, name, key string, opts ...snap
if err := t.Commit(); err != nil {
return err
}
committed = true
return nil
}
@ -197,13 +181,7 @@ func (s *snapshotter) Remove(ctx context.Context, key string) error {
if err != nil {
return err
}
var committed bool
defer func() {
if committed == false {
rollbackWithLogging(ctx, t)
}
}()
defer t.Rollback()
id, _, err := storage.Remove(ctx, key)
if err != nil {
@ -217,15 +195,13 @@ func (s *snapshotter) Remove(ctx context.Context, key string) error {
return err
}
err = t.Commit()
if err != nil {
if err := t.Commit(); err != nil {
if err1 := os.Rename(renamed, path); err1 != nil {
// May cause inconsistent data on disk
log.G(ctx).WithError(err1).WithField("path", renamed).Errorf("Failed to rename after failed commit")
}
return errors.Wrap(err, "failed to commit")
}
committed = true
if err := hcsshim.DestroyLayer(s.info, renamedID); err != nil {
// Must be cleaned up, any "rm-*" could be removed if no active transactions
@ -242,6 +218,7 @@ func (s *snapshotter) Walk(ctx context.Context, fn func(context.Context, snapsho
return err
}
defer t.Rollback()
return storage.WalkInfo(ctx, fn)
}
@ -251,9 +228,7 @@ func (s *snapshotter) Close() error {
}
func (s *snapshotter) mounts(sn storage.Snapshot) []mount.Mount {
var (
roFlag string
)
var roFlag string
if sn.Kind == snapshots.KindView {
roFlag = "ro"
@ -288,13 +263,7 @@ func (s *snapshotter) createSnapshot(ctx context.Context, kind snapshots.Kind, k
if err != nil {
return nil, err
}
var committed bool
defer func() {
if committed == false {
rollbackWithLogging(ctx, t)
}
}()
defer t.Rollback()
newSnapshot, err := storage.CreateSnapshot(ctx, kind, key, parent, opts...)
if err != nil {
@ -328,7 +297,6 @@ func (s *snapshotter) createSnapshot(ctx context.Context, kind snapshots.Kind, k
if err := t.Commit(); err != nil {
return nil, errors.Wrap(err, "commit failed")
}
committed = true
return s.mounts(newSnapshot), nil
}
@ -343,17 +311,19 @@ func (s *snapshotter) parentIDsToParentPaths(parentIDs []string) []string {
// getFileSystemType obtains the type of a file system through GetVolumeInformation
// https://msdn.microsoft.com/en-us/library/windows/desktop/aa364993(v=vs.85).aspx
func getFileSystemType(drive string) (fsType string, hr error) {
func getFileSystemType(path string) (fsType string, hr error) {
drive := filepath.VolumeName(path)
if len(drive) != 2 {
return "", errors.New("getFileSystemType path must start with a drive letter")
}
var (
modkernel32 = windows.NewLazySystemDLL("kernel32.dll")
procGetVolumeInformation = modkernel32.NewProc("GetVolumeInformationW")
buf = make([]uint16, 255)
size = windows.MAX_PATH + 1
)
if len(drive) != 1 {
return "", errors.New("getFileSystemType must be called with a drive letter")
}
drive += `:\`
drive += `\`
n := uintptr(unsafe.Pointer(nil))
r0, _, _ := syscall.Syscall9(procGetVolumeInformation.Addr(), 8, uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(drive))), n, n, n, n, n, uintptr(unsafe.Pointer(&buf[0])), uintptr(size), 0)
if int32(r0) < 0 {

80
windows/hcsshim.go
View File

@ -4,14 +4,12 @@ package windows
import (
"context"
"fmt"
"os"
"path/filepath"
"strings"
"github.com/Microsoft/hcsshim"
"github.com/containerd/containerd/errdefs"
"github.com/containerd/containerd/log"
specs "github.com/opencontainers/runtime-spec/specs-go"
"github.com/pkg/errors"
)
@ -49,14 +47,14 @@ func newWindowsContainerConfig(ctx context.Context, owner, id string, spec *spec
}
conf.IgnoreFlushesDuringBoot = spec.Windows.IgnoreFlushesDuringBoot
if len(spec.Windows.LayerFolders) < 1 {
if len(spec.Windows.LayerFolders) < 2 {
return nil, errors.Wrap(errdefs.ErrInvalidArgument,
"spec.Windows.LayerFolders must have at least 1 layers")
"spec.Windows.LayerFolders must have at least 2 layers")
}
var (
layerFolders = spec.Windows.LayerFolders
homeDir = filepath.Dir(layerFolders[0])
layerFolderPath = filepath.Join(homeDir, id)
layerFolderPath = spec.Windows.LayerFolders[0]
layerFolders = spec.Windows.LayerFolders[1:]
layerID = filepath.Base(layerFolderPath)
)
// TODO: use the create request Mount for those
@ -71,39 +69,12 @@ func newWindowsContainerConfig(ctx context.Context, owner, id string, spec *spec
Path: layerPath,
})
}
var (
di = hcsshim.DriverInfo{
Flavour: 1, // filter driver
HomeDir: homeDir,
}
)
conf.LayerFolderPath = layerFolderPath
// TODO: Once there is a snapshotter for windows, this can be deleted.
// The R/W Layer should come from the Rootfs Mounts provided
//
// Windows doesn't support creating a container with a readonly
// filesystem, so always create a RW one
if err = hcsshim.CreateSandboxLayer(di, id, layerFolders[0], layerFolders); err != nil {
return nil, errors.Wrapf(err, "failed to create sandbox layer for %s: layers: %#v, driverInfo: %#v",
id, layerFolders, di)
var di = hcsshim.DriverInfo{
HomeDir: filepath.Dir(layerFolderPath),
}
defer func() {
if err != nil {
removeLayer(ctx, conf.LayerFolderPath)
}
}()
if err = hcsshim.ActivateLayer(di, id); err != nil {
return nil, errors.Wrapf(err, "failed to activate layer %s", conf.LayerFolderPath)
}
if err = hcsshim.PrepareLayer(di, id, layerFolders); err != nil {
return nil, errors.Wrapf(err, "failed to prepare layer %s", conf.LayerFolderPath)
}
conf.VolumePath, err = hcsshim.GetLayerMountPath(di, id)
conf.VolumePath, err = hcsshim.GetLayerMountPath(di, layerID)
if err != nil {
return nil, errors.Wrapf(err, "failed to getmount path for layer %s: driverInfo: %#v", id, di)
}
@ -146,41 +117,6 @@ func newWindowsContainerConfig(ctx context.Context, owner, id string, spec *spec
return conf, nil
}
// removeLayer deletes the given layer, all associated containers must have
// been shutdown for this to succeed.
func removeLayer(ctx context.Context, path string) error {
var (
err error
layerID = filepath.Base(path)
parentPath = filepath.Dir(path)
di = hcsshim.DriverInfo{
Flavour: 1, // filter driver
HomeDir: parentPath,
}
)
if err = hcsshim.UnprepareLayer(di, layerID); err != nil {
log.G(ctx).WithError(err).Warnf("failed to unprepare layer %s for removal", path)
}
if err = hcsshim.DeactivateLayer(di, layerID); err != nil {
log.G(ctx).WithError(err).Warnf("failed to deactivate layer %s for removal", path)
}
removePath := filepath.Join(parentPath, fmt.Sprintf("%s-removing", layerID))
if err = os.Rename(path, removePath); err != nil {
log.G(ctx).WithError(err).Warnf("failed to rename container layer %s for removal", path)
removePath = path
}
if err = hcsshim.DestroyLayer(di, removePath); err != nil {
log.G(ctx).WithError(err).Errorf("failed to remove container layer %s", removePath)
return err
}
return nil
}
func newProcessConfig(processSpec *specs.Process, pset *pipeSet) *hcsshim.ProcessConfig {
conf := &hcsshim.ProcessConfig{
EmulateConsole: pset.src.Terminal,

54
windows/meta.go
View File

@ -1,54 +0,0 @@
// +build windows
package windows
// TODO: remove this file (i.e. meta.go) once we have a snapshotter
import (
"github.com/boltdb/bolt"
"github.com/containerd/containerd/errdefs"
"github.com/pkg/errors"
)
func newLayerFolderStore(tx *bolt.Tx) *layerFolderStore {
return &layerFolderStore{tx}
}
type layerFolderStore struct {
tx *bolt.Tx
}
func (s *layerFolderStore) Create(id, layer string) error {
bkt, err := s.tx.CreateBucketIfNotExists([]byte(pluginID))
if err != nil {
return errors.Wrapf(err, "failed to create bucket %s", pluginID)
}
err = bkt.Put([]byte(id), []byte(layer))
if err != nil {
return errors.Wrapf(err, "failed to store entry %s:%s", id, layer)
}
return nil
}
func (s *layerFolderStore) Get(id string) (string, error) {
bkt := s.tx.Bucket([]byte(pluginID))
if bkt == nil {
return "", errors.Wrapf(errdefs.ErrNotFound, "bucket %s", pluginID)
}
return string(bkt.Get([]byte(id))), nil
}
func (s *layerFolderStore) Delete(id string) error {
bkt := s.tx.Bucket([]byte(pluginID))
if bkt == nil {
return errors.Wrapf(errdefs.ErrNotFound, "bucket %s", pluginID)
}
if err := bkt.Delete([]byte(id)); err != nil {
return errors.Wrapf(err, "failed to delete entry %s", id)
}
return nil
}

105
windows/runtime.go
View File

@ -10,13 +10,11 @@ import (
"time"
"github.com/Microsoft/hcsshim"
"github.com/boltdb/bolt"
eventstypes "github.com/containerd/containerd/api/events"
containerdtypes "github.com/containerd/containerd/api/types"
"github.com/containerd/containerd/errdefs"
"github.com/containerd/containerd/events"
"github.com/containerd/containerd/log"
"github.com/containerd/containerd/metadata"
"github.com/containerd/containerd/mount"
"github.com/containerd/containerd/namespaces"
"github.com/containerd/containerd/plugin"
"github.com/containerd/containerd/runtime"
@ -55,12 +53,6 @@ func New(ic *plugin.InitContext) (interface{}, error) {
if err := os.MkdirAll(ic.Root, 0700); err != nil {
return nil, errors.Wrapf(err, "could not create state directory at %s", ic.Root)
}
m, err := ic.Get(plugin.MetadataPlugin)
if err != nil {
return nil, err
}
r := &windowsRuntime{
root: ic.Root,
pidPool: newPidPool(),
@ -70,7 +62,6 @@ func New(ic *plugin.InitContext) (interface{}, error) {
// TODO(mlaventure): windows needs a stat monitor
monitor: nil,
tasks: runtime.NewTaskList(),
db: m.(*metadata.DB),
}
// Load our existing containers and kill/delete them. We don't support
@ -91,7 +82,6 @@ type windowsRuntime struct {
monitor runtime.TaskMonitor
tasks *runtime.TaskList
db *metadata.DB
}
func (r *windowsRuntime) ID() string {
@ -124,8 +114,14 @@ func (r *windowsRuntime) Create(ctx context.Context, id string, opts runtime.Cre
if createOpts.TerminateDuration == 0 {
createOpts.TerminateDuration = defaultTerminateDuration
}
spec.Windows.LayerFolders = append(spec.Windows.LayerFolders, opts.Rootfs[0].Source)
parentLayerPaths, err := opts.Rootfs[0].GetParentPaths()
if err != nil {
return nil, err
}
spec.Windows.LayerFolders = append(spec.Windows.LayerFolders, parentLayerPaths...)
return r.newTask(ctx, namespace, id, spec, opts.IO, createOpts)
return r.newTask(ctx, namespace, id, opts.Rootfs, spec, opts.IO, createOpts)
}
func (r *windowsRuntime) Get(ctx context.Context, id string) (runtime.Task, error) {
@ -209,14 +205,19 @@ func (r *windowsRuntime) Delete(ctx context.Context, t runtime.Task) (*runtime.E
ns, _ := namespaces.Namespace(ctx)
serviceCtx := log.WithLogger(context.Background(), log.GetLogger(ctx))
serviceCtx = namespaces.WithNamespace(serviceCtx, ns)
r.serviceTask(serviceCtx, ns, wt.id+"_servicing", wt.spec)
r.serviceTask(serviceCtx, ns, wt.id+"_servicing", wt.rootfs, wt.spec)
}
if err := mount.UnmountAll(wt.rootfs[0].Source, 0); err != nil {
log.G(ctx).WithError(err).WithField("path", wt.rootfs[0].Source).
Warn("failed to unmount rootfs on failure")
}
// We were never started, return failure
return rtExit, nil
}
func (r *windowsRuntime) newTask(ctx context.Context, namespace, id string, spec *specs.Spec, io runtime.IO, createOpts *hcsshimtypes.CreateOptions) (*task, error) {
func (r *windowsRuntime) newTask(ctx context.Context, namespace, id string, rootfs []mount.Mount, spec *specs.Spec, io runtime.IO, createOpts *hcsshimtypes.CreateOptions) (*task, error) {
var (
err error
pset *pipeSet
@ -241,6 +242,18 @@ func (r *windowsRuntime) newTask(ctx context.Context, namespace, id string, spec
}
}()
if err := mount.All(rootfs, ""); err != nil {
return nil, errors.Wrap(err, "failed to mount rootfs")
}
defer func() {
if err != nil {
if err := mount.UnmountAll(rootfs[0].Source, 0); err != nil {
log.G(ctx).WithError(err).WithField("path", rootfs[0].Source).
Warn("failed to unmount rootfs on failure")
}
}
}()
var (
conf *hcsshim.ContainerConfig
nsid = namespace + "-" + id
@ -248,31 +261,6 @@ func (r *windowsRuntime) newTask(ctx context.Context, namespace, id string, spec
if conf, err = newWindowsContainerConfig(ctx, hcsshimOwner, nsid, spec); err != nil {
return nil, err
}
defer func() {
if err != nil {
removeLayer(ctx, conf.LayerFolderPath)
}
}()
// TODO: remove this once we have a windows snapshotter
// Store the LayerFolder in the db so we can clean it if we die
if err = r.db.Update(func(tx *bolt.Tx) error {
s := newLayerFolderStore(tx)
return s.Create(nsid, conf.LayerFolderPath)
}); err != nil {
return nil, err
}
defer func() {
if err != nil {
if dbErr := r.db.Update(func(tx *bolt.Tx) error {
s := newLayerFolderStore(tx)
return s.Delete(nsid)
}); dbErr != nil {
log.G(ctx).WithField("id", id).
Error("failed to remove key from metadata")
}
}
}()
ctr, err := hcsshim.CreateContainer(nsid, conf)
if err != nil {
@ -301,6 +289,7 @@ func (r *windowsRuntime) newTask(ctx context.Context, namespace, id string, spec
hyperV: spec.Windows.HyperV != nil,
publisher: r.publisher,
rwLayer: conf.LayerFolderPath,
rootfs: rootfs,
pidPool: r.pidPool,
hcsContainer: ctr,
terminateDuration: createOpts.TerminateDuration,
@ -312,14 +301,6 @@ func (r *windowsRuntime) newTask(ctx context.Context, namespace, id string, spec
}
r.tasks.Add(ctx, t)
var rootfs []*containerdtypes.Mount
for _, l := range append([]string{t.rwLayer}, spec.Windows.LayerFolders...) {
rootfs = append(rootfs, &containerdtypes.Mount{
Type: "windows-layer",
Source: l,
})
}
r.publisher.Publish(ctx,
runtime.TaskCreateEventTopic,
&eventstypes.TaskCreate{
@ -331,7 +312,7 @@ func (r *windowsRuntime) newTask(ctx context.Context, namespace, id string, spec
Terminal: io.Terminal,
},
Pid: t.pid,
Rootfs: rootfs,
//???Rootfs: rootfs,
// TODO: what should be in Bundle for windows?
})
@ -360,34 +341,10 @@ func (r *windowsRuntime) cleanup(ctx context.Context) {
container.Wait()
}
container.Close()
// TODO: remove this once we have a windows snapshotter
var layerFolderPath string
if err := r.db.View(func(tx *bolt.Tx) error {
s := newLayerFolderStore(tx)
l, e := s.Get(p.ID)
if err == nil {
layerFolderPath = l
}
return e
}); err == nil && layerFolderPath != "" {
removeLayer(ctx, layerFolderPath)
if dbErr := r.db.Update(func(tx *bolt.Tx) error {
s := newLayerFolderStore(tx)
return s.Delete(p.ID)
}); dbErr != nil {
log.G(ctx).WithField("id", p.ID).
Error("failed to remove key from metadata")
}
} else {
log.G(ctx).WithField("id", p.ID).
Debug("key not found in metadata, R/W layer may be leaked")
}
}
}
func (r *windowsRuntime) serviceTask(ctx context.Context, namespace, id string, spec *specs.Spec) {
func (r *windowsRuntime) serviceTask(ctx context.Context, namespace, id string, rootfs []mount.Mount, spec *specs.Spec) {
var (
err error
t *task
@ -397,7 +354,7 @@ func (r *windowsRuntime) serviceTask(ctx context.Context, namespace, id string,
}
)
t, err = r.newTask(ctx, namespace, id, spec, io, createOpts)
t, err = r.newTask(ctx, namespace, id, rootfs, spec, io, createOpts)
if err != nil {
log.G(ctx).WithError(err).WithField("id", id).
Warn("failed to created servicing task")

3
windows/task.go
View File

@ -11,6 +11,7 @@ import (
eventstypes "github.com/containerd/containerd/api/events"
"github.com/containerd/containerd/errdefs"
"github.com/containerd/containerd/events"
"github.com/containerd/containerd/mount"
"github.com/containerd/containerd/runtime"
"github.com/containerd/containerd/windows/hcsshimtypes"
"github.com/containerd/typeurl"
@ -33,6 +34,7 @@ type task struct {
publisher events.Publisher
rwLayer string
rootfs []mount.Mount
pidPool *pidPool
hcsContainer hcsshim.Container
@ -406,6 +408,5 @@ func (t *task) cleanup() {
for _, p := range t.processes {
t.removeProcessNL(p.id)
}
removeLayer(context.Background(), t.rwLayer)
t.Unlock()
}