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vendor: github.com/containerd/containerd b9092fae15f1814a5402bea1ceb0fa21ce1c785c

This is the last commit before containerd switched to using go modules. Using this
as an intermediate version to allow us to more easily track what dependency updates
containerd has.

full diff: 0edc412565...b9092fae15

relevant changes in vendored code:

- Do not hardcode "amd64" on LCOW and Windows-related files
- Optimize Windows and LCOW snapshotters to only create scratch layer on the final snapshot
- Add annotations to task update request api

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
This commit is contained in:
Sebastiaan van Stijn 2021-04-08 15:56:16 +02:00
parent 2acab355ec
commit ab1dd80877
No known key found for this signature in database
GPG key ID: 76698F39D527CE8C
14 changed files with 384 additions and 114 deletions

View file

@ -130,7 +130,7 @@ github.com/googleapis/gax-go bd5b16380fd03dc758d11cef74ba
google.golang.org/genproto 3f1135a288c9a07e340ae8ba4cc6c7065a3160e8
# containerd
github.com/containerd/containerd 0edc412565dcc6e3d6125ff9e4b009ad4b89c638 # master (v1.5.0-dev)
github.com/containerd/containerd b9092fae15f1814a5402bea1ceb0fa21ce1c785c # master (v1.5.0-dev)
github.com/containerd/fifo 0724c46b320cf96bb172a0550c19a4b1fca4dacb
github.com/containerd/continuity efbc4488d8fe1bdc16bde3b2d2990d9b3a899165
github.com/containerd/cgroups 0b889c03f102012f1d93a97ddd3ef71cd6f4f510

View file

@ -44,7 +44,7 @@ If you are interested in trying out containerd see our example at [Getting Start
There are nightly builds available for download [here](https://github.com/containerd/containerd/actions?query=workflow%3ANightly).
Binaries are generated from `master` branch every night for `Linux` and `Windows`.
Please be aware: nightly builds might have critical bugs, it's not recommended for use in prodution and no support provided.
Please be aware: nightly builds might have critical bugs, it's not recommended for use in production and no support provided.
## Runtime Requirements
@ -140,7 +140,7 @@ redis, err := client.NewContainer(context, "redis-master", containerd.WithNewSpe
### Root Filesystems
containerd allows you to use overlay or snapshot filesystems with your containers. It comes with builtin support for overlayfs and btrfs.
containerd allows you to use overlay or snapshot filesystems with your containers. It comes with built in support for overlayfs and btrfs.
```go
// pull an image and unpack it into the configured snapshotter
@ -171,7 +171,7 @@ Taking a container object and turning it into a runnable process on a system is
task, err := redis.NewTask(context, cio.NewCreator(cio.WithStdio))
defer task.Delete(context)
// the task is now running and has a pid that can be use to setup networking
// the task is now running and has a pid that can be used to setup networking
// or other runtime settings outside of containerd
pid := task.Pid()
@ -184,7 +184,7 @@ status, err := task.Wait(context)
### Checkpoint and Restore
If you have [criu](https://criu.org/Main_Page) installed on your machine you can checkpoint and restore containers and their tasks. This allow you to clone and/or live migrate containers to other machines.
If you have [criu](https://criu.org/Main_Page) installed on your machine you can checkpoint and restore containers and their tasks. This allows you to clone and/or live migrate containers to other machines.
```go
// checkpoint the task then push it to a registry

View file

@ -9,6 +9,7 @@ import (
types "github.com/containerd/containerd/api/types"
task "github.com/containerd/containerd/api/types/task"
proto "github.com/gogo/protobuf/proto"
github_com_gogo_protobuf_sortkeys "github.com/gogo/protobuf/sortkeys"
github_com_gogo_protobuf_types "github.com/gogo/protobuf/types"
types1 "github.com/gogo/protobuf/types"
github_com_opencontainers_go_digest "github.com/opencontainers/go-digest"
@ -934,11 +935,12 @@ func (m *CheckpointTaskResponse) XXX_DiscardUnknown() {
var xxx_messageInfo_CheckpointTaskResponse proto.InternalMessageInfo
type UpdateTaskRequest struct {
ContainerID string `protobuf:"bytes,1,opt,name=container_id,json=containerId,proto3" json:"container_id,omitempty"`
Resources *types1.Any `protobuf:"bytes,2,opt,name=resources,proto3" json:"resources,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
ContainerID string `protobuf:"bytes,1,opt,name=container_id,json=containerId,proto3" json:"container_id,omitempty"`
Resources *types1.Any `protobuf:"bytes,2,opt,name=resources,proto3" json:"resources,omitempty"`
Annotations map[string]string `protobuf:"bytes,3,rep,name=annotations,proto3" json:"annotations,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *UpdateTaskRequest) Reset() { *m = UpdateTaskRequest{} }
@ -1155,6 +1157,7 @@ func init() {
proto.RegisterType((*CheckpointTaskRequest)(nil), "containerd.services.tasks.v1.CheckpointTaskRequest")
proto.RegisterType((*CheckpointTaskResponse)(nil), "containerd.services.tasks.v1.CheckpointTaskResponse")
proto.RegisterType((*UpdateTaskRequest)(nil), "containerd.services.tasks.v1.UpdateTaskRequest")
proto.RegisterMapType((map[string]string)(nil), "containerd.services.tasks.v1.UpdateTaskRequest.AnnotationsEntry")
proto.RegisterType((*MetricsRequest)(nil), "containerd.services.tasks.v1.MetricsRequest")
proto.RegisterType((*MetricsResponse)(nil), "containerd.services.tasks.v1.MetricsResponse")
proto.RegisterType((*WaitRequest)(nil), "containerd.services.tasks.v1.WaitRequest")
@ -1166,90 +1169,93 @@ func init() {
}
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}
// Reference imports to suppress errors if they are not otherwise used.
@ -2943,6 +2949,25 @@ func (m *UpdateTaskRequest) MarshalToSizedBuffer(dAtA []byte) (int, error) {
i -= len(m.XXX_unrecognized)
copy(dAtA[i:], m.XXX_unrecognized)
}
if len(m.Annotations) > 0 {
for k := range m.Annotations {
v := m.Annotations[k]
baseI := i
i -= len(v)
copy(dAtA[i:], v)
i = encodeVarintTasks(dAtA, i, uint64(len(v)))
i--
dAtA[i] = 0x12
i -= len(k)
copy(dAtA[i:], k)
i = encodeVarintTasks(dAtA, i, uint64(len(k)))
i--
dAtA[i] = 0xa
i = encodeVarintTasks(dAtA, i, uint64(baseI-i))
i--
dAtA[i] = 0x1a
}
}
if m.Resources != nil {
{
size, err := m.Resources.MarshalToSizedBuffer(dAtA[:i])
@ -3611,6 +3636,14 @@ func (m *UpdateTaskRequest) Size() (n int) {
l = m.Resources.Size()
n += 1 + l + sovTasks(uint64(l))
}
if len(m.Annotations) > 0 {
for k, v := range m.Annotations {
_ = k
_ = v
mapEntrySize := 1 + len(k) + sovTasks(uint64(len(k))) + 1 + len(v) + sovTasks(uint64(len(v)))
n += mapEntrySize + 1 + sovTasks(uint64(mapEntrySize))
}
}
if m.XXX_unrecognized != nil {
n += len(m.XXX_unrecognized)
}
@ -3991,9 +4024,20 @@ func (this *UpdateTaskRequest) String() string {
if this == nil {
return "nil"
}
keysForAnnotations := make([]string, 0, len(this.Annotations))
for k, _ := range this.Annotations {
keysForAnnotations = append(keysForAnnotations, k)
}
github_com_gogo_protobuf_sortkeys.Strings(keysForAnnotations)
mapStringForAnnotations := "map[string]string{"
for _, k := range keysForAnnotations {
mapStringForAnnotations += fmt.Sprintf("%v: %v,", k, this.Annotations[k])
}
mapStringForAnnotations += "}"
s := strings.Join([]string{`&UpdateTaskRequest{`,
`ContainerID:` + fmt.Sprintf("%v", this.ContainerID) + `,`,
`Resources:` + strings.Replace(fmt.Sprintf("%v", this.Resources), "Any", "types1.Any", 1) + `,`,
`Annotations:` + mapStringForAnnotations + `,`,
`XXX_unrecognized:` + fmt.Sprintf("%v", this.XXX_unrecognized) + `,`,
`}`,
}, "")
@ -6865,6 +6909,133 @@ func (m *UpdateTaskRequest) Unmarshal(dAtA []byte) error {
return err
}
iNdEx = postIndex
case 3:
if wireType != 2 {
return fmt.Errorf("proto: wrong wireType = %d for field Annotations", wireType)
}
var msglen int
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowTasks
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
msglen |= int(b&0x7F) << shift
if b < 0x80 {
break
}
}
if msglen < 0 {
return ErrInvalidLengthTasks
}
postIndex := iNdEx + msglen
if postIndex < 0 {
return ErrInvalidLengthTasks
}
if postIndex > l {
return io.ErrUnexpectedEOF
}
if m.Annotations == nil {
m.Annotations = make(map[string]string)
}
var mapkey string
var mapvalue string
for iNdEx < postIndex {
entryPreIndex := iNdEx
var wire uint64
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowTasks
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
wire |= uint64(b&0x7F) << shift
if b < 0x80 {
break
}
}
fieldNum := int32(wire >> 3)
if fieldNum == 1 {
var stringLenmapkey uint64
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowTasks
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
stringLenmapkey |= uint64(b&0x7F) << shift
if b < 0x80 {
break
}
}
intStringLenmapkey := int(stringLenmapkey)
if intStringLenmapkey < 0 {
return ErrInvalidLengthTasks
}
postStringIndexmapkey := iNdEx + intStringLenmapkey
if postStringIndexmapkey < 0 {
return ErrInvalidLengthTasks
}
if postStringIndexmapkey > l {
return io.ErrUnexpectedEOF
}
mapkey = string(dAtA[iNdEx:postStringIndexmapkey])
iNdEx = postStringIndexmapkey
} else if fieldNum == 2 {
var stringLenmapvalue uint64
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowTasks
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
stringLenmapvalue |= uint64(b&0x7F) << shift
if b < 0x80 {
break
}
}
intStringLenmapvalue := int(stringLenmapvalue)
if intStringLenmapvalue < 0 {
return ErrInvalidLengthTasks
}
postStringIndexmapvalue := iNdEx + intStringLenmapvalue
if postStringIndexmapvalue < 0 {
return ErrInvalidLengthTasks
}
if postStringIndexmapvalue > l {
return io.ErrUnexpectedEOF
}
mapvalue = string(dAtA[iNdEx:postStringIndexmapvalue])
iNdEx = postStringIndexmapvalue
} else {
iNdEx = entryPreIndex
skippy, err := skipTasks(dAtA[iNdEx:])
if err != nil {
return err
}
if skippy < 0 {
return ErrInvalidLengthTasks
}
if (iNdEx + skippy) > postIndex {
return io.ErrUnexpectedEOF
}
iNdEx += skippy
}
}
m.Annotations[mapkey] = mapvalue
iNdEx = postIndex
default:
iNdEx = preIndex
skippy, err := skipTasks(dAtA[iNdEx:])

View file

@ -188,6 +188,7 @@ message CheckpointTaskResponse {
message UpdateTaskRequest {
string container_id = 1;
google.protobuf.Any resources = 2;
map<string, string> annotations = 3;
}
message MetricsRequest {

View file

@ -19,6 +19,8 @@
package platforms
import (
"runtime"
specs "github.com/opencontainers/image-spec/specs-go/v1"
)
@ -26,6 +28,6 @@ import (
func Default() MatchComparer {
return Ordered(DefaultSpec(), specs.Platform{
OS: "linux",
Architecture: "amd64",
Architecture: runtime.GOARCH,
})
}

View file

@ -123,7 +123,7 @@ func applyLayers(ctx context.Context, layers []Layer, chain []digest.Digest, sn
)
for {
key = fmt.Sprintf("extract-%s %s", uniquePart(), chainID)
key = fmt.Sprintf(snapshots.UnpackKeyFormat, uniquePart(), chainID)
// Prepare snapshot with from parent, label as root
mounts, err = sn.Prepare(ctx, key, parent.String(), opts...)

View file

@ -70,7 +70,7 @@ type Task interface {
// Checkpoint checkpoints a container to an image with live system data
Checkpoint(context.Context, string, *types.Any) error
// Update sets the provided resources to a running task
Update(context.Context, *types.Any) error
Update(context.Context, *types.Any, map[string]string) error
// Process returns a process within the task for the provided id
Process(context.Context, string) (Process, error)
// Stats returns runtime specific metrics for a task

View file

@ -91,7 +91,7 @@ func ShimRemote(c *Config, daemonAddress, cgroup string, exitHandler func()) Shi
return func(b *bundle, ns string, ropts *runctypes.RuncOptions) (shim.Config, client.Opt) {
config := b.shimConfig(ns, c, ropts)
return config,
client.WithStart(c.Shim, b.shimAddress(ns), daemonAddress, cgroup, c.ShimDebug, exitHandler)
client.WithStart(c.Shim, b.shimAddress(ns, daemonAddress), daemonAddress, cgroup, c.ShimDebug, exitHandler)
}
}
@ -117,6 +117,11 @@ func (b *bundle) NewShimClient(ctx context.Context, namespace string, getClientO
// Delete deletes the bundle from disk
func (b *bundle) Delete() error {
address, _ := b.loadAddress()
if address != "" {
// we don't care about errors here
client.RemoveSocket(address)
}
err := atomicDelete(b.path)
if err == nil {
return atomicDelete(b.workDir)
@ -133,9 +138,11 @@ func (b *bundle) legacyShimAddress(namespace string) string {
return filepath.Join(string(filepath.Separator), "containerd-shim", namespace, b.id, "shim.sock")
}
func (b *bundle) shimAddress(namespace string) string {
d := sha256.Sum256([]byte(filepath.Join(namespace, b.id)))
return filepath.Join(string(filepath.Separator), "containerd-shim", fmt.Sprintf("%x.sock", d))
const socketRoot = "/run/containerd"
func (b *bundle) shimAddress(namespace, socketPath string) string {
d := sha256.Sum256([]byte(filepath.Join(socketPath, namespace, b.id)))
return fmt.Sprintf("unix://%s/%x", filepath.Join(socketRoot, "s"), d)
}
func (b *bundle) loadAddress() (string, error) {

View file

@ -306,7 +306,7 @@ func (t *Task) Checkpoint(ctx context.Context, path string, options *types.Any)
}
// Update changes runtime information of a running task
func (t *Task) Update(ctx context.Context, resources *types.Any) error {
func (t *Task) Update(ctx context.Context, resources *types.Any, _ map[string]string) error {
if _, err := t.shim.Update(ctx, &shim.UpdateTaskRequest{
Resources: resources,
}); err != nil {

View file

@ -59,9 +59,17 @@ func WithStart(binary, address, daemonAddress, cgroup string, debug bool, exitHa
return func(ctx context.Context, config shim.Config) (_ shimapi.ShimService, _ io.Closer, err error) {
socket, err := newSocket(address)
if err != nil {
return nil, nil, err
if !eaddrinuse(err) {
return nil, nil, err
}
if err := RemoveSocket(address); err != nil {
return nil, nil, errors.Wrap(err, "remove already used socket")
}
if socket, err = newSocket(address); err != nil {
return nil, nil, err
}
}
defer socket.Close()
f, err := socket.File()
if err != nil {
return nil, nil, errors.Wrapf(err, "failed to get fd for socket %s", address)
@ -108,6 +116,8 @@ func WithStart(binary, address, daemonAddress, cgroup string, debug bool, exitHa
if stderrLog != nil {
stderrLog.Close()
}
socket.Close()
RemoveSocket(address)
}()
log.G(ctx).WithFields(logrus.Fields{
"pid": cmd.Process.Pid,
@ -142,6 +152,26 @@ func WithStart(binary, address, daemonAddress, cgroup string, debug bool, exitHa
}
}
func eaddrinuse(err error) bool {
cause := errors.Cause(err)
netErr, ok := cause.(*net.OpError)
if !ok {
return false
}
if netErr.Op != "listen" {
return false
}
syscallErr, ok := netErr.Err.(*os.SyscallError)
if !ok {
return false
}
errno, ok := syscallErr.Err.(syscall.Errno)
if !ok {
return false
}
return errno == syscall.EADDRINUSE
}
// setupOOMScore gets containerd's oom score and adds +1 to it
// to ensure a shim has a lower* score than the daemons
func setupOOMScore(shimPid int) error {
@ -214,31 +244,73 @@ func writeFile(path, address string) error {
return os.Rename(tempPath, path)
}
func newSocket(address string) (*net.UnixListener, error) {
if len(address) > 106 {
return nil, errors.Errorf("%q: unix socket path too long (> 106)", address)
const (
abstractSocketPrefix = "\x00"
socketPathLimit = 106
)
type socket string
func (s socket) isAbstract() bool {
return !strings.HasPrefix(string(s), "unix://")
}
func (s socket) path() string {
path := strings.TrimPrefix(string(s), "unix://")
// if there was no trim performed, we assume an abstract socket
if len(path) == len(s) {
path = abstractSocketPrefix + path
}
l, err := net.Listen("unix", "\x00"+address)
return path
}
func newSocket(address string) (*net.UnixListener, error) {
if len(address) > socketPathLimit {
return nil, errors.Errorf("%q: unix socket path too long (> %d)", address, socketPathLimit)
}
var (
sock = socket(address)
path = sock.path()
)
if !sock.isAbstract() {
if err := os.MkdirAll(filepath.Dir(path), 0600); err != nil {
return nil, errors.Wrapf(err, "%s", path)
}
}
l, err := net.Listen("unix", path)
if err != nil {
return nil, errors.Wrapf(err, "failed to listen to abstract unix socket %q", address)
return nil, errors.Wrapf(err, "failed to listen to unix socket %q (abstract: %t)", address, sock.isAbstract())
}
if err := os.Chmod(path, 0600); err != nil {
l.Close()
return nil, err
}
return l.(*net.UnixListener), nil
}
// RemoveSocket removes the socket at the specified address if
// it exists on the filesystem
func RemoveSocket(address string) error {
sock := socket(address)
if !sock.isAbstract() {
return os.Remove(sock.path())
}
return nil
}
func connect(address string, d func(string, time.Duration) (net.Conn, error)) (net.Conn, error) {
return d(address, 100*time.Second)
}
func annonDialer(address string, timeout time.Duration) (net.Conn, error) {
address = strings.TrimPrefix(address, "unix://")
return dialer.Dialer("\x00"+address, timeout)
func anonDialer(address string, timeout time.Duration) (net.Conn, error) {
return dialer.Dialer(socket(address).path(), timeout)
}
// WithConnect connects to an existing shim
func WithConnect(address string, onClose func()) Opt {
return func(ctx context.Context, config shim.Config) (shimapi.ShimService, io.Closer, error) {
conn, err := connect(address, annonDialer)
conn, err := connect(address, anonDialer)
if err != nil {
return nil, nil, err
}

View file

@ -26,6 +26,10 @@ import (
)
const (
// UnpackKeyPrefix is the beginning of the key format used for snapshots that will have
// image content unpacked into them.
UnpackKeyPrefix = "extract"
UnpackKeyFormat = UnpackKeyPrefix + "-%s %s"
inheritedLabelsPrefix = "containerd.io/snapshot/"
labelSnapshotRef = "containerd.io/snapshot.ref"
)

View file

@ -503,6 +503,8 @@ func (t *task) Checkpoint(ctx context.Context, opts ...CheckpointTaskOpts) (Imag
type UpdateTaskInfo struct {
// Resources updates a tasks resource constraints
Resources interface{}
// Annotations allows arbitrary and/or experimental resource constraints for task update
Annotations map[string]string
}
// UpdateTaskOpts allows a caller to update task settings
@ -525,6 +527,9 @@ func (t *task) Update(ctx context.Context, opts ...UpdateTaskOpts) error {
}
request.Resources = any
}
if i.Annotations != nil {
request.Annotations = i.Annotations
}
_, err := t.client.TaskService().Update(ctx, request)
return errdefs.FromGRPC(err)
}

View file

@ -209,3 +209,11 @@ func WithResources(resources interface{}) UpdateTaskOpts {
return nil
}
}
// WithAnnotations sets the provided annotations for task updates.
func WithAnnotations(annotations map[string]string) UpdateTaskOpts {
return func(ctx context.Context, client *Client, r *UpdateTaskInfo) error {
r.Annotations = annotations
return nil
}
}

View file

@ -138,7 +138,7 @@ EachLayer:
for try := 1; try <= 3; try++ {
// Prepare snapshot with from parent, label as root
key = fmt.Sprintf("extract-%s %s", uniquePart(), chainID)
key = fmt.Sprintf(snapshots.UnpackKeyFormat, uniquePart(), chainID)
mounts, err = sn.Prepare(ctx, key, parent.String(), opts...)
if err != nil {
if errdefs.IsAlreadyExists(err) {