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Merge pull request #894 from dmcgowan/container-metadata-service

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[carry #859] api/services: define the container metadata service
This commit is contained in:
Kenfe-Mickaël Laventure 2017-05-23 17:01:05 -07:00 committed by GitHub
commit c00d731cc2
47 changed files with 4176 additions and 1117 deletions
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2206
api/services/containers/containers.pb.go Normal file
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116
api/services/containers/containers.proto Normal file
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@ -0,0 +1,116 @@
syntax = "proto3";
package containerd.v1;
import "gogoproto/gogo.proto";
import "google/protobuf/any.proto";
import "google/protobuf/empty.proto";
import "google/protobuf/field_mask.proto";
import "github.com/containerd/containerd/api/types/descriptor/descriptor.proto";
// Containers provides metadata storage for containers used in the execution
// service.
//
// The objects here provide an state-independent view of containers for use in
// management and resource pinning. From that perspective, contaienrs do not
// have a "state" but rather this is the set of resources that will be
// considered in use by the container.
//
// From the perspective of the execution service, these objects represent the
// base parameters for creating a container process.
//
// In general, when looking to add fields for this type, first ask yourself
// whether or not the function of the field has to do with runtime execution or
// is invariant of the runtime state of the container. If it has to do with
// runtime, or changes as the "container" is started and stops, it probably
// doesn't belong on this object.
service Containers {
rpc Get(GetContainerRequest) returns (GetContainerResponse);
rpc List(ListContainersRequest) returns (ListContainersResponse);
rpc Create(CreateContainerRequest) returns (CreateContainerResponse);
rpc Update(UpdateContainerRequest) returns (UpdateContainerResponse);
rpc Delete(DeleteContainerRequest) returns (google.protobuf.Empty);
}
message Container {
// ID is the user-specified identifier.
//
// This field may not be updated.
string id = 1;
// Labels provides an area to include arbitrary data on containers.
//
// Note that to add a new value to this field, read the existing set and
// include the entire result in the update call.
map<string, string> labels = 2;
// Image contains the reference of the image used to build the
// specification and snapshots for running this container.
//
// If this field is updated, the spec and rootfs needed to updated, as well.
string image = 3;
// Runtime specifies which runtime to use for executing this container.
string runtime = 4;
// Spec to be used when creating the container. This is runtime specific.
google.protobuf.Any spec = 6;
// RootFS specifies the snapshot key to use for the container's root
// filesystem. When starting a task from this container, a caller should
// look up the mounts from the snapshot service and include those on the
// task create request.
//
// Snapshots referenced in this field will not be garbage collected.
//
// This field may be updated.
string rootfs = 7 [(gogoproto.customname) = "RootFS"];
}
message GetContainerRequest {
string id = 1;
}
message GetContainerResponse {
Container container = 1 [(gogoproto.nullable) = false];
}
message ListContainersRequest {
string filter = 1; // TODO(stevvooe): Define a filtering syntax to make these queries.
}
message ListContainersResponse {
repeated Container containers = 1 [(gogoproto.nullable) = false];
}
message CreateContainerRequest {
Container container = 1 [(gogoproto.nullable) = false];
}
message CreateContainerResponse {
Container container = 1 [(gogoproto.nullable) = false];
}
// UpdateContainerRequest updates the metadata on one or more container.
//
// The operation should follow semantics described in
// https://developers.google.com/protocol-buffers/docs/reference/csharp/class/google/protobuf/well-known-types/field-mask,
// unless otherwise qualified.
message UpdateContainerRequest {
// Container provides the target values, as declared by the mask, for the update.
//
// The ID field must be set.
Container container = 1 [(gogoproto.nullable) = false];
// UpdateMask specifies which fields to perform the update on. If empty,
// the operation applies to all fields.
google.protobuf.FieldMask update_mask = 2;
}
message UpdateContainerResponse {
Container container = 1 [(gogoproto.nullable) = false];
}
message DeleteContainerRequest {
string id = 1;
}

998
api/services/execution/execution.pb.go
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76
api/services/execution/execution.proto
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@ -1,20 +1,20 @@
syntax = "proto3";
package containerd.v1.services;
package containerd.v1.services.execution;
import "google/protobuf/empty.proto";
import "google/protobuf/any.proto";
import "gogoproto/gogo.proto";
import "github.com/containerd/containerd/api/types/mount/mount.proto";
import "github.com/containerd/containerd/api/types/container/container.proto";
import "github.com/containerd/containerd/api/types/descriptor/descriptor.proto";
import "github.com/containerd/containerd/api/types/task/task.proto";
import "google/protobuf/timestamp.proto";
service ContainerService {
service Tasks {
rpc Create(CreateRequest) returns (CreateResponse);
rpc Start(StartRequest) returns (google.protobuf.Empty);
rpc Delete(DeleteRequest) returns (DeleteResponse);
rpc Info(InfoRequest) returns (containerd.v1.types.Container);
rpc Info(InfoRequest) returns (InfoResponse);
rpc List(ListRequest) returns (ListResponse);
rpc Kill(KillRequest) returns (google.protobuf.Empty);
rpc Events(EventsRequest) returns (stream containerd.v1.types.Event);
@ -28,49 +28,76 @@ service ContainerService {
}
message CreateRequest {
string id = 1;
google.protobuf.Any spec = 2;
// ContainerID specifies the container to use for creating this task.
//
// The spec from the provided container id will be used to create the
// task associated with this container. Only one task can be run at a time
// per container.
//
// This should be created using the Containers service.
string container_id = 2;
// RootFS provides the pre-chroot mounts to perform in the shim before
// executing the container task.
//
// These are for mounts that cannot be performed in the user namespace.
// Typically, these mounts should be resolved from snapshots specified on
// the container object.
repeated containerd.v1.types.Mount rootfs = 3;
string runtime = 4;
string stdin = 5;
string stdout = 6;
string stderr = 7;
bool terminal = 8;
types.Descriptor checkpoint = 9;
}
message CreateResponse {
string id = 1;
uint32 pid = 2;
// TODO(stevvooe): We no longer have an id for a task since they are bound
// to a single container. Although, we should represent each new task with
// an ID so one can differentiate between each instance of a container
// running.
//
// Hence, we are leaving this here and reserving the field number in case
// we need to move in this direction.
// string id = 1;
string container_id = 2;
uint32 pid = 3;
}
message StartRequest {
string id = 1;
string container_id = 1;
}
message DeleteRequest {
string id = 1;
string container_id = 1;
}
message DeleteResponse {
string id = 1;
string container_id = 1;
uint32 exit_status = 2;
google.protobuf.Timestamp exited_at = 3 [(gogoproto.stdtime) = true, (gogoproto.nullable) = false];
}
message InfoRequest {
string id = 1;
string container_id = 1;
}
message InfoResponse {
types.Task task = 1;
}
message ListRequest {
}
message ListResponse {
repeated containerd.v1.types.Container containers = 1;
repeated containerd.v1.types.Task tasks = 1;
}
message KillRequest {
string id = 1;
string container_id = 1;
uint32 signal = 2;
oneof pid_or_all {
bool all = 3;
@ -82,11 +109,16 @@ message EventsRequest {
}
message ExecRequest {
string id = 1;
// ContainerID specifies the container in which to exec the process.
string container_id = 1;
bool terminal = 2;
string stdin = 3;
string stdout = 4;
string stderr = 5;
// Spec for starting a process in the target container.
//
// For runc, this is a process spec, for example.
google.protobuf.Any spec = 6;
}
@ -95,27 +127,27 @@ message ExecResponse {
}
message PtyRequest {
string id = 1;
string container_id = 1;
uint32 pid = 2;
uint32 width = 3;
uint32 height = 4;
}
message CloseStdinRequest {
string id = 1;
string container_id = 1;
uint32 pid = 2;
}
message PauseRequest {
string id = 1;
string container_id = 1;
}
message ResumeRequest {
string id = 1;
string container_id = 1;
}
message ProcessesRequest {
string id = 1;
string container_id = 1;
}
message ProcessesResponse{
@ -123,7 +155,7 @@ message ProcessesResponse{
}
message CheckpointRequest {
string id = 1;
string container_id = 1;
bool allow_tcp = 2;
bool allow_unix_sockets = 3;
bool allow_terminal = 4;

163
api/services/images/images.pb.go
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@ -50,7 +50,8 @@ const _ = proto.GoGoProtoPackageIsVersion2 // please upgrade the proto package
type Image struct {
Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
Target containerd_v1_types1.Descriptor `protobuf:"bytes,2,opt,name=target" json:"target"`
Labels string `protobuf:"bytes,2,opt,name=labels,proto3" json:"labels,omitempty"`
Target containerd_v1_types1.Descriptor `protobuf:"bytes,3,opt,name=target" json:"target"`
}
func (m *Image) Reset() { *m = Image{} }
@ -127,11 +128,11 @@ const _ = grpc.SupportPackageIsVersion4
type ImagesClient interface {
// Get returns an image by name.
Get(ctx context.Context, in *GetRequest, opts ...grpc.CallOption) (*GetResponse, error)
// List returns a list of all images known to containerd.
List(ctx context.Context, in *ListRequest, opts ...grpc.CallOption) (*ListResponse, error)
// Put assigns the name to a given target image based on the provided
// image.
Put(ctx context.Context, in *PutRequest, opts ...grpc.CallOption) (*google_protobuf1.Empty, error)
// List returns a list of all images known to containerd.
List(ctx context.Context, in *ListRequest, opts ...grpc.CallOption) (*ListResponse, error)
// Delete deletes the image by name.
Delete(ctx context.Context, in *DeleteRequest, opts ...grpc.CallOption) (*google_protobuf1.Empty, error)
}
@ -153,18 +154,18 @@ func (c *imagesClient) Get(ctx context.Context, in *GetRequest, opts ...grpc.Cal
return out, nil
}
func (c *imagesClient) Put(ctx context.Context, in *PutRequest, opts ...grpc.CallOption) (*google_protobuf1.Empty, error) {
out := new(google_protobuf1.Empty)
err := grpc.Invoke(ctx, "/containerd.v1.Images/Put", in, out, c.cc, opts...)
func (c *imagesClient) List(ctx context.Context, in *ListRequest, opts ...grpc.CallOption) (*ListResponse, error) {
out := new(ListResponse)
err := grpc.Invoke(ctx, "/containerd.v1.Images/List", in, out, c.cc, opts...)
if err != nil {
return nil, err
}
return out, nil
}
func (c *imagesClient) List(ctx context.Context, in *ListRequest, opts ...grpc.CallOption) (*ListResponse, error) {
out := new(ListResponse)
err := grpc.Invoke(ctx, "/containerd.v1.Images/List", in, out, c.cc, opts...)
func (c *imagesClient) Put(ctx context.Context, in *PutRequest, opts ...grpc.CallOption) (*google_protobuf1.Empty, error) {
out := new(google_protobuf1.Empty)
err := grpc.Invoke(ctx, "/containerd.v1.Images/Put", in, out, c.cc, opts...)
if err != nil {
return nil, err
}
@ -185,11 +186,11 @@ func (c *imagesClient) Delete(ctx context.Context, in *DeleteRequest, opts ...gr
type ImagesServer interface {
// Get returns an image by name.
Get(context.Context, *GetRequest) (*GetResponse, error)
// List returns a list of all images known to containerd.
List(context.Context, *ListRequest) (*ListResponse, error)
// Put assigns the name to a given target image based on the provided
// image.
Put(context.Context, *PutRequest) (*google_protobuf1.Empty, error)
// List returns a list of all images known to containerd.
List(context.Context, *ListRequest) (*ListResponse, error)
// Delete deletes the image by name.
Delete(context.Context, *DeleteRequest) (*google_protobuf1.Empty, error)
}
@ -216,24 +217,6 @@ func _Images_Get_Handler(srv interface{}, ctx context.Context, dec func(interfac
return interceptor(ctx, in, info, handler)
}
func _Images_Put_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(PutRequest)
if err := dec(in); err != nil {
return nil, err
}
if interceptor == nil {
return srv.(ImagesServer).Put(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: "/containerd.v1.Images/Put",
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(ImagesServer).Put(ctx, req.(*PutRequest))
}
return interceptor(ctx, in, info, handler)
}
func _Images_List_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(ListRequest)
if err := dec(in); err != nil {
@ -252,6 +235,24 @@ func _Images_List_Handler(srv interface{}, ctx context.Context, dec func(interfa
return interceptor(ctx, in, info, handler)
}
func _Images_Put_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(PutRequest)
if err := dec(in); err != nil {
return nil, err
}
if interceptor == nil {
return srv.(ImagesServer).Put(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: "/containerd.v1.Images/Put",
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(ImagesServer).Put(ctx, req.(*PutRequest))
}
return interceptor(ctx, in, info, handler)
}
func _Images_Delete_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(DeleteRequest)
if err := dec(in); err != nil {
@ -278,14 +279,14 @@ var _Images_serviceDesc = grpc.ServiceDesc{
MethodName: "Get",
Handler: _Images_Get_Handler,
},
{
MethodName: "Put",
Handler: _Images_Put_Handler,
},
{
MethodName: "List",
Handler: _Images_List_Handler,
},
{
MethodName: "Put",
Handler: _Images_Put_Handler,
},
{
MethodName: "Delete",
Handler: _Images_Delete_Handler,
@ -316,8 +317,14 @@ func (m *Image) MarshalTo(dAtA []byte) (int, error) {
i = encodeVarintImages(dAtA, i, uint64(len(m.Name)))
i += copy(dAtA[i:], m.Name)
}
if len(m.Labels) > 0 {
dAtA[i] = 0x12
i++
i = encodeVarintImages(dAtA, i, uint64(len(m.Labels)))
i += copy(dAtA[i:], m.Labels)
}
dAtA[i] = 0x1a
i++
i = encodeVarintImages(dAtA, i, uint64(m.Target.Size()))
n1, err := m.Target.MarshalTo(dAtA[i:])
if err != nil {
@ -511,6 +518,10 @@ func (m *Image) Size() (n int) {
if l > 0 {
n += 1 + l + sovImages(uint64(l))
}
l = len(m.Labels)
if l > 0 {
n += 1 + l + sovImages(uint64(l))
}
l = m.Target.Size()
n += 1 + l + sovImages(uint64(l))
return n
@ -591,6 +602,7 @@ func (this *Image) String() string {
}
s := strings.Join([]string{`&Image{`,
`Name:` + fmt.Sprintf("%v", this.Name) + `,`,
`Labels:` + fmt.Sprintf("%v", this.Labels) + `,`,
`Target:` + strings.Replace(strings.Replace(this.Target.String(), "Descriptor", "containerd_v1_types1.Descriptor", 1), `&`, ``, 1) + `,`,
`}`,
}, "")
@ -722,6 +734,35 @@ func (m *Image) Unmarshal(dAtA []byte) error {
m.Name = string(dAtA[iNdEx:postIndex])
iNdEx = postIndex
case 2:
if wireType != 2 {
return fmt.Errorf("proto: wrong wireType = %d for field Labels", wireType)
}
var stringLen uint64
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowImages
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
stringLen |= (uint64(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
intStringLen := int(stringLen)
if intStringLen < 0 {
return ErrInvalidLengthImages
}
postIndex := iNdEx + intStringLen
if postIndex > l {
return io.ErrUnexpectedEOF
}
m.Labels = string(dAtA[iNdEx:postIndex])
iNdEx = postIndex
case 3:
if wireType != 2 {
return fmt.Errorf("proto: wrong wireType = %d for field Target", wireType)
}
@ -1334,32 +1375,32 @@ func init() {
}
var fileDescriptorImages = []byte{
// 419 bytes of a gzipped FileDescriptorProto
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0x03, 0x00, 0x00,
// 430 bytes of a gzipped FileDescriptorProto
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}

9
api/services/images/images.proto
View File

@ -22,20 +22,21 @@ service Images {
// Get returns an image by name.
rpc Get(GetRequest) returns (GetResponse);
// List returns a list of all images known to containerd.
rpc List(ListRequest) returns (ListResponse);
// Put assigns the name to a given target image based on the provided
// image.
rpc Put(PutRequest) returns (google.protobuf.Empty);
// List returns a list of all images known to containerd.
rpc List(ListRequest) returns (ListResponse);
// Delete deletes the image by name.
rpc Delete(DeleteRequest) returns (google.protobuf.Empty);
}
message Image {
string name = 1;
types.Descriptor target = 2 [(gogoproto.nullable) = false];
string labels = 2;
types.Descriptor target = 3 [(gogoproto.nullable) = false];
}
message GetRequest {

146
api/services/shim/shim.pb.go
View File

@ -39,7 +39,7 @@ import google_protobuf "github.com/gogo/protobuf/types"
import google_protobuf1 "github.com/golang/protobuf/ptypes/empty"
import _ "github.com/gogo/protobuf/gogoproto"
import containerd_v1_types "github.com/containerd/containerd/api/types/mount"
import containerd_v1_types1 "github.com/containerd/containerd/api/types/container"
import containerd_v1_types1 "github.com/containerd/containerd/api/types/task"
import _ "github.com/gogo/protobuf/types"
import time "time"
@ -4251,76 +4251,76 @@ func init() {
}
var fileDescriptorShim = []byte{
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0x34, 0x69, 0x9b, 0x0c, 0x00, 0x00,
}

2
api/services/shim/shim.proto
View File

@ -6,7 +6,7 @@ import "google/protobuf/any.proto";
import "google/protobuf/empty.proto";
import "gogoproto/gogo.proto";
import "github.com/containerd/containerd/api/types/mount/mount.proto";
import "github.com/containerd/containerd/api/types/container/container.proto";
import "github.com/containerd/containerd/api/types/task/task.proto";
import "google/protobuf/timestamp.proto";
// Shim service is launched for each container and is responsible for owning the IO

400
api/types/container/container.pb.go → api/types/task/task.pb.go
View File

File diff suppressed because it is too large Load Diff

11
api/types/container/container.proto → api/types/task/task.proto
View File

@ -17,11 +17,12 @@ enum Status {
PAUSED = 4 [(gogoproto.enumvalue_customname) = "StatusPaused"];
}
message Container {
string id = 1;
uint32 pid = 2;
Status status = 3;
google.protobuf.Any spec = 4;
message Task {
string id = 1; // TODO(stevvooe): For now, this is just the container id.
string container_id = 2;
uint32 pid = 3;
Status status = 4;
google.protobuf.Any spec = 5;
}
message Process {

1
cmd/containerd/builtins.go
View File

@ -2,6 +2,7 @@ package main
// register containerd builtins here
import (
_ "github.com/containerd/containerd/services/containers"
_ "github.com/containerd/containerd/services/content"
_ "github.com/containerd/containerd/services/diff"
_ "github.com/containerd/containerd/services/execution"

17
cmd/containerd/main.go
View File

@ -17,6 +17,7 @@ import (
"google.golang.org/grpc/health/grpc_health_v1"
"github.com/Sirupsen/logrus"
containersapi "github.com/containerd/containerd/api/services/containers"
contentapi "github.com/containerd/containerd/api/services/content"
diffapi "github.com/containerd/containerd/api/services/diff"
api "github.com/containerd/containerd/api/services/execution"
@ -265,7 +266,7 @@ func resolveMetaDB(ctx *cli.Context) (*bolt.DB, error) {
return db, nil
}
func loadRuntimes(monitor plugin.ContainerMonitor) (map[string]plugin.Runtime, error) {
func loadRuntimes(monitor plugin.TaskMonitor) (map[string]plugin.Runtime, error) {
o := make(map[string]plugin.Runtime)
for name, rr := range plugin.Registrations() {
if rr.Type != plugin.RuntimePlugin {
@ -293,10 +294,10 @@ func loadRuntimes(monitor plugin.ContainerMonitor) (map[string]plugin.Runtime, e
return o, nil
}
func loadMonitor() (plugin.ContainerMonitor, error) {
var monitors []plugin.ContainerMonitor
func loadMonitor() (plugin.TaskMonitor, error) {
var monitors []plugin.TaskMonitor
for name, m := range plugin.Registrations() {
if m.Type != plugin.ContainerMonitorPlugin {
if m.Type != plugin.TaskMonitorPlugin {
continue
}
log.G(global).Infof("loading monitor plugin %q...", name)
@ -309,12 +310,12 @@ func loadMonitor() (plugin.ContainerMonitor, error) {
if err != nil {
return nil, err
}
monitors = append(monitors, mm.(plugin.ContainerMonitor))
monitors = append(monitors, mm.(plugin.TaskMonitor))
}
if len(monitors) == 0 {
return plugin.NewNoopMonitor(), nil
}
return plugin.NewMultiContainerMonitor(monitors...), nil
return plugin.NewMultiTaskMonitor(monitors...), nil
}
func loadSnapshotter(store content.Store) (snapshot.Snapshotter, error) {
@ -414,8 +415,10 @@ func interceptor(ctx gocontext.Context,
) (interface{}, error) {
ctx = log.WithModule(ctx, "containerd")
switch info.Server.(type) {
case api.ContainerServiceServer:
case api.TasksServer:
ctx = log.WithModule(ctx, "execution")
case containersapi.ContainersServer:
ctx = log.WithModule(ctx, "containers")
case contentapi.ContentServer:
ctx = log.WithModule(ctx, "content")
case imagesapi.ImagesServer:

21
cmd/ctr/checkpoint.go
View File

@ -46,7 +46,8 @@ var checkpointCommand = cli.Command{
if id == "" {
return errors.New("container id must be provided")
}
containers, err := getExecutionService(context)
tasks, err := getTasksService(context)
if err != nil {
return err
}
@ -59,13 +60,13 @@ var checkpointCommand = cli.Command{
return errors.Wrap(err, "failed resolving image store")
}
var spec specs.Spec
info, err := containers.Info(ctx, &execution.InfoRequest{
ID: id,
info, err := tasks.Info(ctx, &execution.InfoRequest{
ContainerID: id,
})
if err != nil {
return err
}
if err := json.Unmarshal(info.Spec.Value, &spec); err != nil {
if err := json.Unmarshal(info.Task.Spec.Value, &spec); err != nil {
return err
}
stopped := context.Bool("exit")
@ -73,21 +74,21 @@ var checkpointCommand = cli.Command{
// we pause the container and give us time to checkpoint the filesystem before
// it resumes execution
if !stopped {
if _, err := containers.Pause(ctx, &execution.PauseRequest{
ID: id,
if _, err := tasks.Pause(ctx, &execution.PauseRequest{
ContainerID: id,
}); err != nil {
return err
}
defer func() {
if _, err := containers.Resume(ctx, &execution.ResumeRequest{
ID: id,
if _, err := tasks.Resume(ctx, &execution.ResumeRequest{
ContainerID: id,
}); err != nil {
logrus.WithError(err).Error("ctr: unable to resume container")
}
}()
}
checkpoint, err := containers.Checkpoint(ctx, &execution.CheckpointRequest{
ID: id,
checkpoint, err := tasks.Checkpoint(ctx, &execution.CheckpointRequest{
ContainerID: id,
Exit: context.Bool("exit"),
})
if err != nil {

24
cmd/ctr/delete.go
View File

@ -3,6 +3,10 @@ package main
import (
gocontext "context"
"google.golang.org/grpc"
"google.golang.org/grpc/codes"
containersapi "github.com/containerd/containerd/api/services/containers"
"github.com/containerd/containerd/api/services/execution"
"github.com/pkg/errors"
"github.com/urfave/cli"
@ -13,10 +17,15 @@ var deleteCommand = cli.Command{
Usage: "delete an existing container",
ArgsUsage: "CONTAINER",
Action: func(context *cli.Context) error {
containers, err := getExecutionService(context)
containers, err := getContainersService(context)
if err != nil {
return err
}
tasks, err := getTasksService(context)
if err != nil {
return err
}
snapshotter, err := getSnapshotter(context)
if err != nil {
return err
@ -26,13 +35,24 @@ var deleteCommand = cli.Command{
return errors.New("container id must be provided")
}
ctx := gocontext.TODO()
_, err = containers.Delete(ctx, &execution.DeleteRequest{
_, err = containers.Delete(ctx, &containersapi.DeleteContainerRequest{
ID: id,
})
if err != nil {
return errors.Wrap(err, "failed to delete container")
}
_, err = tasks.Delete(ctx, &execution.DeleteRequest{
ContainerID: id,
})
if err != nil {
// Ignore error if task has already been removed, task is
// removed by default after run
if grpc.Code(errors.Cause(err)) != codes.NotFound {
return errors.Wrap(err, "failed to task container")
}
}
if err := snapshotter.Remove(ctx, id); err != nil {
return errors.Wrapf(err, "failed to remove snapshot %q", id)
}

4
cmd/ctr/events.go
View File

@ -14,11 +14,11 @@ var eventsCommand = cli.Command{
Name: "events",
Usage: "display containerd events",
Action: func(context *cli.Context) error {
containers, err := getExecutionService(context)
tasks, err := getTasksService(context)
if err != nil {
return err
}
events, err := containers.Events(gocontext.Background(), &execution.EventsRequest{})
events, err := tasks.Events(gocontext.Background(), &execution.EventsRequest{})
if err != nil {
return err
}

8
cmd/ctr/exec.go
View File

@ -37,11 +37,11 @@ var execCommand = cli.Command{
return errors.New("container id must be provided")
}
containers, err := getExecutionService(context)
tasks, err := getTasksService(context)
if err != nil {
return err
}
events, err := containers.Events(ctx, &execution.EventsRequest{})
events, err := tasks.Events(ctx, &execution.EventsRequest{})
if err != nil {
return err
}
@ -66,12 +66,12 @@ var execCommand = cli.Command{
if err != nil {
return err
}
response, err := containers.Exec(ctx, request)
response, err := tasks.Exec(ctx, request)
if err != nil {
return err
}
if request.Terminal {
if err := handleConsoleResize(ctx, containers, id, response.Pid, con); err != nil {
if err := handleConsoleResize(ctx, tasks, id, response.Pid, con); err != nil {
logrus.WithError(err).Error("console resize")
}
}

2
cmd/ctr/exec_unix.go
View File

@ -56,7 +56,7 @@ func newExecRequest(context *cli.Context, tmpDir, id string) (*execution.ExecReq
return nil, err
}
return &execution.ExecRequest{
ID: id,
ContainerID: id,
Spec: &protobuf.Any{
TypeUrl: specs.Version,
Value: data,

2
cmd/ctr/exec_windows.go
View File

@ -23,7 +23,7 @@ func newExecRequest(context *cli.Context, tmpDir, id string) (*execution.ExecReq
}
now := time.Now().UnixNano()
request := &execution.ExecRequest{
ID: id,
ContainerID: id,
Spec: &protobuf.Any{
TypeUrl: specs.Version,
Value: data,

24
cmd/ctr/info.go
View File

@ -6,6 +6,7 @@ import (
gocontext "context"
"fmt"
containersapi "github.com/containerd/containerd/api/services/containers"
"github.com/containerd/containerd/api/services/execution"
"github.com/pkg/errors"
"github.com/urfave/cli"
@ -26,11 +27,30 @@ var infoCommand = cli.Command{
return errors.New("container id must be provided")
}
containers, err := getExecutionService(context)
containers, err := getContainersService(context)
if err != nil {
return err
}
response, err := containers.Info(gocontext.Background(), &execution.InfoRequest{ID: id})
tasks, err := getTasksService(context)
if err != nil {
return err
}
containerResponse, err := containers.Get(gocontext.TODO(), &containersapi.GetContainerRequest{ID: id})
if err != nil {
return err
}
// TODO(stevvooe): Just dumping the container and the task, for now. We
// should split this into two separate commands.
cjson, err := json.MarshalIndent(containerResponse, "", " ")
if err != nil {
return err
}
fmt.Println(string(cjson))
response, err := tasks.Info(gocontext.Background(), &execution.InfoRequest{ContainerID: id})
if err != nil {
return err
}

6
cmd/ctr/kill.go
View File

@ -49,7 +49,7 @@ var killCommand = cli.Command{
}
killRequest := &execution.KillRequest{
ID: id,
ContainerID: id,
Signal: uint32(signal),
PidOrAll: &execution.KillRequest_Pid{
Pid: uint32(pid),
@ -62,11 +62,11 @@ var killCommand = cli.Command{
}
}
containers, err := getExecutionService(context)
tasks, err := getTasksService(context)
if err != nil {
return err
}
_, err = containers.Kill(gocontext.Background(), killRequest)
_, err = tasks.Kill(gocontext.Background(), killRequest)
if err != nil {
return err
}

52
cmd/ctr/list.go
View File

@ -6,10 +6,16 @@ import (
"os"
"text/tabwriter"
containersapi "github.com/containerd/containerd/api/services/containers"
"github.com/containerd/containerd/api/services/execution"
tasktypes "github.com/containerd/containerd/api/types/task"
"github.com/urfave/cli"
)
var containersCommand = cli.Command{
Name: "containers",
}
var listCommand = cli.Command{
Name: "list",
Aliases: []string{"ls"},
@ -22,11 +28,18 @@ var listCommand = cli.Command{
},
Action: func(context *cli.Context) error {
quiet := context.Bool("quiet")
containers, err := getExecutionService(context)
tasks, err := getTasksService(context)
if err != nil {
return err
}
response, err := containers.List(gocontext.Background(), &execution.ListRequest{})
containers, err := getContainersService(context)
if err != nil {
return err
}
response, err := containers.List(gocontext.Background(), &containersapi.ListContainersRequest{})
if err != nil {
return err
}
@ -36,13 +49,40 @@ var listCommand = cli.Command{
fmt.Println(c.ID)
}
} else {
tasksResponse, err := tasks.List(gocontext.TODO(), &execution.ListRequest{})
if err != nil {
return err
}
// Join with tasks to get status.
tasksByContainerID := map[string]*tasktypes.Task{}
for _, task := range tasksResponse.Tasks {
task.Descriptor()
tasksByContainerID[task.ContainerID] = task
}
w := tabwriter.NewWriter(os.Stdout, 10, 1, 3, ' ', 0)
fmt.Fprintln(w, "ID\tPID\tSTATUS")
fmt.Fprintln(w, "ID\tIMAGE\tPID\tSTATUS")
for _, c := range response.Containers {
if _, err := fmt.Fprintf(w, "%s\t%d\t%s\n",
var (
status string
pid uint32
)
task, ok := tasksByContainerID[c.ID]
if ok {
status = task.Status.String()
pid = task.Pid
} else {
status = "STOPPED" // TODO(stevvooe): Is this assumption correct?
pid = 0
}
if _, err := fmt.Fprintf(w, "%s\t%s\t%d\t%s\n",
c.ID,
c.Pid,
c.Status.String(),
c.Image,
pid,
status,
); err != nil {
return err
}

6
cmd/ctr/pause.go
View File

@ -13,7 +13,7 @@ var pauseCommand = cli.Command{
Usage: "pause an existing container",
ArgsUsage: "CONTAINER",
Action: func(context *cli.Context) error {
containers, err := getExecutionService(context)
tasks, err := getTasksService(context)
if err != nil {
return err
}
@ -21,8 +21,8 @@ var pauseCommand = cli.Command{
if id == "" {
return errors.New("container id must be provided")
}
_, err = containers.Pause(gocontext.Background(), &execution.PauseRequest{
ID: id,
_, err = tasks.Pause(gocontext.Background(), &execution.PauseRequest{
ContainerID: id,
})
return err
},

6
cmd/ctr/ps.go
View File

@ -27,15 +27,15 @@ var psCommand = cli.Command{
}
pr := &execution.ProcessesRequest{
ID: id,
ContainerID: id,
}
containers, err := getExecutionService(context)
tasks, err := getTasksService(context)
if err != nil {
return err
}
resp, err := containers.Processes(gocontext.Background(), pr)
resp, err := tasks.Processes(gocontext.Background(), pr)
if err != nil {
return err
}

6
cmd/ctr/resume.go
View File

@ -13,7 +13,7 @@ var resumeCommand = cli.Command{
Usage: "resume a paused container",
ArgsUsage: "CONTAINER",
Action: func(context *cli.Context) error {
containers, err := getExecutionService(context)
tasks, err := getTasksService(context)
if err != nil {
return err
}
@ -21,8 +21,8 @@ var resumeCommand = cli.Command{
if id == "" {
return errors.New("container id must be provided")
}
_, err = containers.Resume(gocontext.Background(), &execution.ResumeRequest{
ID: id,
_, err = tasks.Resume(gocontext.Background(), &execution.ResumeRequest{
ContainerID: id,
})
return err
},

43
cmd/ctr/run.go
View File

@ -10,6 +10,7 @@ import (
"github.com/Sirupsen/logrus"
"github.com/containerd/console"
containersapi "github.com/containerd/containerd/api/services/containers"
"github.com/containerd/containerd/api/services/execution"
"github.com/containerd/containerd/images"
"github.com/containerd/containerd/mount"
@ -80,7 +81,11 @@ var runCommand = cli.Command{
if id == "" {
return errors.New("container id must be provided")
}
containers, err := getExecutionService(context)
containers, err := getContainersService(context)
if err != nil {
return err
}
tasks, err := getTasksService(context)
if err != nil {
return err
}
@ -89,7 +94,7 @@ var runCommand = cli.Command{
return err
}
defer os.RemoveAll(tmpDir)
events, err := containers.Events(ctx, &execution.EventsRequest{})
events, err := tasks.Events(ctx, &execution.EventsRequest{})
if err != nil {
return err
}
@ -227,11 +232,22 @@ var runCommand = cli.Command{
return err
}
if len(spec) == 0 {
if spec, err = newSpec(context, &imageConfig.Config, ref); err != nil {
if spec, err = newContainerSpec(context, &imageConfig.Config, ref); err != nil {
return err
}
}
create, err := newCreateRequest(context, id, tmpDir, checkpoint, mounts, spec)
createContainer, err := newCreateContainerRequest(context, id, id, spec)
if err != nil {
return err
}
_, err = containers.Create(ctx, createContainer)
if err != nil {
return err
}
create, err := newCreateTaskRequest(context, id, tmpDir, checkpoint, mounts)
if err != nil {
return err
}
@ -247,22 +263,22 @@ var runCommand = cli.Command{
if err != nil {
return err
}
response, err := containers.Create(ctx, create)
response, err := tasks.Create(ctx, create)
if err != nil {
return err
}
pid := response.Pid
if create.Terminal {
if err := handleConsoleResize(ctx, containers, id, pid, con); err != nil {
if err := handleConsoleResize(ctx, tasks, id, pid, con); err != nil {
logrus.WithError(err).Error("console resize")
}
} else {
sigc := forwardAllSignals(containers, id)
sigc := forwardAllSignals(tasks, id)
defer stopCatch(sigc)
}
if checkpoint == nil {
if _, err := containers.Start(ctx, &execution.StartRequest{
ID: id,
if _, err := tasks.Start(ctx, &execution.StartRequest{
ContainerID: id,
}); err != nil {
return err
}
@ -274,11 +290,16 @@ var runCommand = cli.Command{
if err != nil {
return err
}
if _, err := containers.Delete(ctx, &execution.DeleteRequest{
ID: response.ID,
if _, err := tasks.Delete(ctx, &execution.DeleteRequest{
ContainerID: response.ContainerID,
}); err != nil {
return err
}
if context.Bool("rm") {
if _, err := containers.Delete(ctx, &containersapi.DeleteContainerRequest{ID: id}); err != nil {
return err
}
}
if status != 0 {
return cli.NewExitError("", int(status))
}

41
cmd/ctr/run_unix.go
View File

@ -18,6 +18,7 @@ import (
"github.com/Sirupsen/logrus"
"github.com/containerd/console"
containersapi "github.com/containerd/containerd/api/services/containers"
"github.com/containerd/containerd/api/services/execution"
"github.com/containerd/containerd/api/types/descriptor"
"github.com/containerd/containerd/api/types/mount"
@ -265,7 +266,7 @@ func getConfig(context *cli.Context, imageConfig *ocispec.ImageConfig, rootfs st
return customSpec(config, rootfs)
}
func newSpec(context *cli.Context, config *ocispec.ImageConfig, imageRef string) ([]byte, error) {
func newContainerSpec(context *cli.Context, config *ocispec.ImageConfig, imageRef string) ([]byte, error) {
s, err := getConfig(context, config, context.String("rootfs"))
if err != nil {
return nil, err
@ -277,26 +278,31 @@ func newSpec(context *cli.Context, config *ocispec.ImageConfig, imageRef string)
return json.Marshal(s)
}
func newCreateRequest(context *cli.Context, id, tmpDir string, checkpoint *ocispec.Descriptor, mounts []mountt.Mount, spec []byte) (*execution.CreateRequest, error) {
create := &execution.CreateRequest{
func newCreateContainerRequest(context *cli.Context, id, snapshot string, spec []byte) (*containersapi.CreateContainerRequest, error) {
create := &containersapi.CreateContainerRequest{
Container: containersapi.Container{
ID: id,
Spec: &protobuf.Any{
TypeUrl: specs.Version,
Value: spec,
},
Runtime: context.String("runtime"),
RootFS: snapshot,
},
}
return create, nil
}
func newCreateTaskRequest(context *cli.Context, id, tmpDir string, checkpoint *ocispec.Descriptor, mounts []mountt.Mount) (*execution.CreateRequest, error) {
create := &execution.CreateRequest{
ContainerID: id,
Terminal: context.Bool("tty"),
Stdin: filepath.Join(tmpDir, "stdin"),
Stdout: filepath.Join(tmpDir, "stdout"),
Stderr: filepath.Join(tmpDir, "stderr"),
}
if checkpoint != nil {
create.Checkpoint = &descriptor.Descriptor{
MediaType: checkpoint.MediaType,
Size_: checkpoint.Size,
Digest: checkpoint.Digest,
}
}
for _, m := range mounts {
create.Rootfs = append(create.Rootfs, &mount.Mount{
Type: m.Type,
@ -304,17 +310,26 @@ func newCreateRequest(context *cli.Context, id, tmpDir string, checkpoint *ocisp
Options: m.Options,
})
}
if checkpoint != nil {
create.Checkpoint = &descriptor.Descriptor{
MediaType: checkpoint.MediaType,
Size_: checkpoint.Size,
Digest: checkpoint.Digest,
}
}
return create, nil
}
func handleConsoleResize(ctx context.Context, service execution.ContainerServiceClient, id string, pid uint32, con console.Console) error {
func handleConsoleResize(ctx context.Context, service execution.TasksClient, id string, pid uint32, con console.Console) error {
// do an initial resize of the console
size, err := con.Size()
if err != nil {
return err
}
if _, err := service.Pty(ctx, &execution.PtyRequest{
ID: id,
ContainerID: id,
Pid: pid,
Width: uint32(size.Width),
Height: uint32(size.Height),
@ -331,7 +346,7 @@ func handleConsoleResize(ctx context.Context, service execution.ContainerService
continue
}
if _, err := service.Pty(ctx, &execution.PtyRequest{
ID: id,
ContainerID: id,
Pid: pid,
Width: uint32(size.Width),
Height: uint32(size.Height),

22
cmd/ctr/run_windows.go
View File

@ -10,6 +10,7 @@ import (
"github.com/Sirupsen/logrus"
"github.com/containerd/console"
containersapi "github.com/containerd/containerd/api/services/containers"
"github.com/containerd/containerd/api/services/execution"
"github.com/containerd/containerd/log"
"github.com/containerd/containerd/mount"
@ -117,7 +118,7 @@ func getConfig(context *cli.Context, imageConfig *ocispec.ImageConfig, rootfs st
return s, nil
}
func newSpec(context *cli.Context, config *ocispec.ImageConfig, imageRef string) ([]byte, error) {
func newContainerSpec(context *cli.Context, config *ocispec.ImageConfig, imageRef string) ([]byte, error) {
spec, err := getConfig(context, config, context.String("rootfs"))
if err != nil {
return nil, err
@ -136,14 +137,25 @@ func newSpec(context *cli.Context, config *ocispec.ImageConfig, imageRef string)
return json.Marshal(rtSpec)
}
func newCreateRequest(context *cli.Context, id, tmpDir string, checkpoint *ocispec.Descriptor, mounts []mount.Mount, spec []byte) (*execution.CreateRequest, error) {
create := &execution.CreateRequest{
func newCreateContainerRequest(context *cli.Context, id, snapshot string, spec []byte) (*containersapi.CreateContainerRequest, error) {
create := &containersapi.CreateContainerRequest{
Container: containersapi.Container{
ID: id,
Spec: &protobuf.Any{
TypeUrl: specs.Version,
Value: spec,
},
Runtime: context.String("runtime"),
RootFS: snapshot,
},
}
return create, nil
}
func newCreateTaskRequest(context *cli.Context, id, tmpDir string, checkpoint *ocispec.Descriptor, mounts []mount.Mount) (*execution.CreateRequest, error) {
create := &execution.CreateRequest{
ContainerID: id,
Terminal: context.Bool("tty"),
Stdin: fmt.Sprintf(`%s\ctr-%s-stdin`, pipeRoot, id),
Stdout: fmt.Sprintf(`%s\ctr-%s-stdout`, pipeRoot, id),
@ -154,7 +166,7 @@ func newCreateRequest(context *cli.Context, id, tmpDir string, checkpoint *ocisp
return create, nil
}
func handleConsoleResize(ctx context.Context, service execution.ContainerServiceClient, id string, pid uint32, con console.Console) error {
func handleConsoleResize(ctx context.Context, service execution.TasksClient, id string, pid uint32, con console.Console) error {
// do an initial resize of the console
size, err := con.Size()
if err != nil {
@ -173,7 +185,7 @@ func handleConsoleResize(ctx context.Context, service execution.ContainerService
if size.Width != prevSize.Width || size.Height != prevSize.Height {
if _, err := service.Pty(ctx, &execution.PtyRequest{
ID: id,
ContainerID: id,
Pid: pid,
Width: uint32(size.Width),
Height: uint32(size.Height),

23
cmd/ctr/utils.go
View File

@ -13,13 +13,14 @@ import (
"syscall"
"github.com/Sirupsen/logrus"
containersapi "github.com/containerd/containerd/api/services/containers"
contentapi "github.com/containerd/containerd/api/services/content"
diffapi "github.com/containerd/containerd/api/services/diff"
"github.com/containerd/containerd/api/services/execution"
imagesapi "github.com/containerd/containerd/api/services/images"
snapshotapi "github.com/containerd/containerd/api/services/snapshot"
versionservice "github.com/containerd/containerd/api/services/version"
"github.com/containerd/containerd/api/types/container"
"github.com/containerd/containerd/api/types/task"
"github.com/containerd/containerd/content"
"github.com/containerd/containerd/images"
contentservice "github.com/containerd/containerd/services/content"
@ -34,12 +35,20 @@ import (
var grpcConn *grpc.ClientConn
func getExecutionService(context *cli.Context) (execution.ContainerServiceClient, error) {
func getContainersService(context *cli.Context) (containersapi.ContainersClient, error) {
conn, err := getGRPCConnection(context)
if err != nil {
return nil, err
}
return execution.NewContainerServiceClient(conn), nil
return containersapi.NewContainersClient(conn), nil
}
func getTasksService(context *cli.Context) (execution.TasksClient, error) {
conn, err := getGRPCConnection(context)
if err != nil {
return nil, err
}
return execution.NewTasksClient(conn), nil
}
func getContentStore(context *cli.Context) (content.Store, error) {
@ -94,13 +103,13 @@ func getTempDir(id string) (string, error) {
return tmpDir, nil
}
func waitContainer(events execution.ContainerService_EventsClient, id string, pid uint32) (uint32, error) {
func waitContainer(events execution.Tasks_EventsClient, id string, pid uint32) (uint32, error) {
for {
e, err := events.Recv()
if err != nil {
return 255, err
}
if e.Type != container.Event_EXIT {
if e.Type != task.Event_EXIT {
continue
}
if e.ID == id && e.Pid == pid {
@ -109,7 +118,7 @@ func waitContainer(events execution.ContainerService_EventsClient, id string, pi
}
}
func forwardAllSignals(containers execution.ContainerServiceClient, id string) chan os.Signal {
func forwardAllSignals(containers execution.TasksClient, id string) chan os.Signal {
sigc := make(chan os.Signal, 128)
signal.Notify(sigc)
@ -117,7 +126,7 @@ func forwardAllSignals(containers execution.ContainerServiceClient, id string) c
for s := range sigc {
logrus.Debug("Forwarding signal ", s)
killRequest := &execution.KillRequest{
ID: id,
ContainerID: id,
Signal: uint32(s.(syscall.Signal)),
PidOrAll: &execution.KillRequest_All{
All: false,

1
cmd/ctrd-protobuild/main.go
View File

@ -43,6 +43,7 @@ var (
packageMap = map[string]string{
"google/protobuf/timestamp.proto": "github.com/gogo/protobuf/types",
"google/protobuf/any.proto": "github.com/gogo/protobuf/types",
"google/protobuf/field_mask.proto": "github.com/gogo/protobuf/types",
"google/protobuf/descriptor.proto": "github.com/gogo/protobuf/protoc-gen-gogo/descriptor",
"gogoproto/gogo.proto": "github.com/gogo/protobuf/gogoproto",
}

24
containers/containers.go Normal file
View File

@ -0,0 +1,24 @@
package containers
import "context"
// Container represents the set of data pinned by a container. Unless otherwise
// noted, the resources here are considered in use by the container.
//
// The resources specified in this object are used to create tasks from the container.
type Container struct {
ID string
Labels map[string]string
Image string
Runtime string
Spec []byte
RootFS string
}
type Store interface {
Get(ctx context.Context, id string) (Container, error)
List(ctx context.Context, filter string) ([]Container, error)
Create(ctx context.Context, container Container) (Container, error)
Update(ctx context.Context, container Container) (Container, error)
Delete(ctx context.Context, id string) error
}

146
containers/storage.go Normal file
View File

@ -0,0 +1,146 @@
package containers
import (
"context"
"encoding/json"
"github.com/boltdb/bolt"
"github.com/pkg/errors"
)
var (
ErrExists = errors.New("images: exists")
ErrNotFound = errors.New("images: not found")
)
// IsNotFound returns true if the error is due to a missing image.
func IsNotFound(err error) bool {
return errors.Cause(err) == ErrNotFound
}
func IsExists(err error) bool {
return errors.Cause(err) == ErrExists
}
var (
bucketKeyStorageVersion = []byte("v1")
bucketKeyContainers = []byte("containers")
)
type storage struct {
tx *bolt.Tx
}
func NewStore(tx *bolt.Tx) Store {
return &storage{
tx: tx,
}
}
func (s *storage) Get(ctx context.Context, id string) (Container, error) {
bkt := s.bucket()
if bkt == nil {
return Container{}, errors.Wrap(ErrNotFound, "bucket does not exist")
}
cb := bkt.Get([]byte(id))
if len(cb) == 0 {
return Container{}, errors.Wrap(ErrNotFound, "no content for id")
}
var container Container
if err := json.Unmarshal(cb, &container); err != nil {
return Container{}, errors.Wrap(err, "failed to unmarshal container")
}
return container, nil
}
func (s *storage) List(ctx context.Context, filter string) ([]Container, error) {
containers := []Container{}
bkt := s.bucket()
if bkt == nil {
return containers, nil
}
err := bkt.ForEach(func(k, v []byte) error {
container := Container{ID: string(k)}
if err := json.Unmarshal(v, &container); err != nil {
return errors.Wrap(err, "failed to unmarshal container")
}
containers = append(containers, container)
return nil
})
if err != nil {
return nil, err
}
return containers, nil
}
func (s *storage) Create(ctx context.Context, container Container) (Container, error) {
bkt, err := s.createBucket()
if err != nil {
return Container{}, err
}
b := bkt.Get([]byte(container.ID))
if len(b) > 0 {
return Container{}, errors.Wrap(ErrExists, "content for id already exists")
}
b, err = json.Marshal(container)
if err != nil {
return Container{}, err
}
return container, bkt.Put([]byte(container.ID), b)
}
func (s *storage) Update(ctx context.Context, container Container) (Container, error) {
bkt, err := s.createBucket()
if err != nil {
return Container{}, err
}
b := bkt.Get([]byte(container.ID))
if len(b) == 0 {
return Container{}, errors.Wrap(ErrNotFound, "no content for id")
}
b, err = json.Marshal(container)
if err != nil {
return Container{}, err
}
return container, bkt.Put([]byte(container.ID), b)
}
func (s *storage) Delete(ctx context.Context, id string) error {
bkt, err := s.createBucket()
if err != nil {
return err
}
b := bkt.Get([]byte(id))
if len(b) == 0 {
return errors.Wrap(ErrNotFound, "no content for id")
}
return bkt.Delete([]byte(id))
}
func (s *storage) bucket() *bolt.Bucket {
bkt := s.tx.Bucket(bucketKeyStorageVersion)
if bkt == nil {
return nil
}
return bkt.Bucket(bucketKeyContainers)
}
func (s *storage) createBucket() (*bolt.Bucket, error) {
bkt, err := s.tx.CreateBucketIfNotExists(bucketKeyStorageVersion)
if err != nil {
return nil, err
}
return bkt.CreateBucketIfNotExists(bucketKeyContainers)
}

2
images/storage.go
View File

@ -55,7 +55,7 @@ func InitDB(db *bolt.DB) error {
})
}
func NewImageStore(tx *bolt.Tx) Store {
func NewStore(tx *bolt.Tx) Store {
return &storage{tx: tx}
}

38
linux/runtime.go
View File

@ -14,8 +14,8 @@ import (
"time"
"github.com/containerd/containerd/api/services/shim"
"github.com/containerd/containerd/api/types/container"
"github.com/containerd/containerd/api/types/mount"
"github.com/containerd/containerd/api/types/task"
"github.com/containerd/containerd/log"
"github.com/containerd/containerd/plugin"
runc "github.com/containerd/go-runc"
@ -83,10 +83,10 @@ type Runtime struct {
events chan *plugin.Event
eventsContext context.Context
eventsCancel func()
monitor plugin.ContainerMonitor
monitor plugin.TaskMonitor
}
func (r *Runtime) Create(ctx context.Context, id string, opts plugin.CreateOpts) (plugin.Container, error) {
func (r *Runtime) Create(ctx context.Context, id string, opts plugin.CreateOpts) (plugin.Task, error) {
path, err := r.newBundle(id, opts.Spec)
if err != nil {
return nil, err
@ -127,16 +127,16 @@ func (r *Runtime) Create(ctx context.Context, id string, opts plugin.CreateOpts)
os.RemoveAll(path)
return nil, err
}
c := newContainer(id, opts.Spec, s)
// after the container is created, add it to the monitor
c := newTask(id, opts.Spec, s)
// after the task is created, add it to the monitor
if err = r.monitor.Monitor(c); err != nil {
return nil, err
}
return c, nil
}
func (r *Runtime) Delete(ctx context.Context, c plugin.Container) (*plugin.Exit, error) {
lc, ok := c.(*Container)
func (r *Runtime) Delete(ctx context.Context, c plugin.Task) (*plugin.Exit, error) {
lc, ok := c.(*Task)
if !ok {
return nil, fmt.Errorf("container cannot be cast as *linux.Container")
}
@ -153,15 +153,15 @@ func (r *Runtime) Delete(ctx context.Context, c plugin.Container) (*plugin.Exit,
return &plugin.Exit{
Status: rsp.ExitStatus,
Timestamp: rsp.ExitedAt,
}, r.deleteBundle(lc.id)
}, r.deleteBundle(lc.containerID)
}
func (r *Runtime) Containers(ctx context.Context) ([]plugin.Container, error) {
func (r *Runtime) Tasks(ctx context.Context) ([]plugin.Task, error) {
dir, err := ioutil.ReadDir(r.root)
if err != nil {
return nil, err
}
var o []plugin.Container
var o []plugin.Task
for _, fi := range dir {
if !fi.IsDir() {
continue
@ -206,15 +206,15 @@ func (r *Runtime) forward(events shim.Shim_EventsClient) {
}
var et plugin.EventType
switch e.Type {
case container.Event_CREATE:
case task.Event_CREATE:
et = plugin.CreateEvent
case container.Event_EXEC_ADDED:
case task.Event_EXEC_ADDED:
et = plugin.ExecAddEvent
case container.Event_EXIT:
case task.Event_EXIT:
et = plugin.ExitEvent
case container.Event_OOM:
case task.Event_OOM:
et = plugin.OOMEvent
case container.Event_START:
case task.Event_START:
et = plugin.StartEvent
}
r.events <- &plugin.Event{
@ -250,18 +250,20 @@ func (r *Runtime) deleteBundle(id string) error {
return os.RemoveAll(filepath.Join(r.root, id))
}
func (r *Runtime) loadContainer(path string) (*Container, error) {
func (r *Runtime) loadContainer(path string) (*Task, error) {
id := filepath.Base(path)
s, err := loadShim(path, r.remote)
if err != nil {
return nil, err
}
data, err := ioutil.ReadFile(filepath.Join(path, configFilename))
if err != nil {
return nil, err
}
return &Container{
id: id,
return &Task{
containerID: id,
shim: s,
spec: data,
}, nil

6
linux/shim/client.go
View File

@ -4,7 +4,7 @@ import (
"path/filepath"
shimapi "github.com/containerd/containerd/api/services/shim"
"github.com/containerd/containerd/api/types/container"
"github.com/containerd/containerd/api/types/task"
runc "github.com/containerd/go-runc"
google_protobuf "github.com/golang/protobuf/ptypes/empty"
"golang.org/x/net/context"
@ -104,11 +104,11 @@ func (c *client) Checkpoint(ctx context.Context, in *shimapi.CheckpointRequest,
}
type events struct {
c chan *container.Event
c chan *task.Event
ctx context.Context
}
func (e *events) Recv() (*container.Event, error) {
func (e *events) Recv() (*task.Event, error) {
ev := <-e.c
return ev, nil
}

46
linux/shim/service.go
View File

@ -10,7 +10,7 @@ import (
"github.com/containerd/console"
shimapi "github.com/containerd/containerd/api/services/shim"
"github.com/containerd/containerd/api/types/container"
"github.com/containerd/containerd/api/types/task"
"github.com/containerd/containerd/reaper"
google_protobuf "github.com/golang/protobuf/ptypes/empty"
"github.com/pkg/errors"
@ -25,7 +25,7 @@ func New(path string) *Service {
return &Service{
path: path,
processes: make(map[int]process),
events: make(chan *container.Event, 4096),
events: make(chan *task.Event, 4096),
}
}
@ -36,7 +36,7 @@ type Service struct {
bundle string
mu sync.Mutex
processes map[int]process
events chan *container.Event
events chan *task.Event
execID int
}
@ -56,8 +56,9 @@ func (s *Service) Create(ctx context.Context, r *shimapi.CreateRequest) (*shimap
ExitCh: make(chan int, 1),
}
reaper.Default.Register(pid, cmd)
s.events <- &container.Event{
Type: container.Event_CREATE,
go s.waitExit(process, pid, cmd)
s.events <- &task.Event{
Type: task.Event_CREATE,
ID: r.ID,
Pid: uint32(pid),
}
@ -71,8 +72,8 @@ func (s *Service) Start(ctx context.Context, r *shimapi.StartRequest) (*google_p
if err := s.initProcess.Start(ctx); err != nil {
return nil, err
}
s.events <- &container.Event{
Type: container.Event_START,
s.events <- &task.Event{
Type: task.Event_START,
ID: s.id,
Pid: uint32(s.initProcess.Pid()),
}
@ -114,8 +115,9 @@ func (s *Service) Exec(ctx context.Context, r *shimapi.ExecRequest) (*shimapi.Ex
}
reaper.Default.RegisterNL(pid, cmd)
reaper.Default.Unlock()
s.events <- &container.Event{
Type: container.Event_EXEC_ADDED,
go s.waitExit(process, pid, cmd)
s.events <- &task.Event{
Type: task.Event_EXEC_ADDED,
ID: s.id,
Pid: uint32(pid),
}
@ -159,35 +161,35 @@ func (s *Service) State(ctx context.Context, r *shimapi.StateRequest) (*shimapi.
if err != nil {
return nil, err
}
status := container.StatusUnknown
status := task.StatusUnknown
switch st {
case "created":
status = container.StatusCreated
status = task.StatusCreated
case "running":
status = container.StatusRunning
status = task.StatusRunning
case "stopped":
status = container.StatusStopped
status = task.StatusStopped
case "paused":
status = container.StatusPaused
status = task.StatusPaused
}
o := &shimapi.StateResponse{
ID: s.id,
Bundle: s.bundle,
Pid: uint32(s.initProcess.Pid()),
Status: status,
Processes: []*container.Process{},
Processes: []*task.Process{},
}
s.mu.Lock()
defer s.mu.Unlock()
for _, p := range s.processes {
status := container.StatusRunning
status := task.StatusRunning
if err := unix.Kill(p.Pid(), 0); err != nil {
if err != syscall.ESRCH {
return nil, err
}
status = container.StatusStopped
status = task.StatusStopped
}
o.Processes = append(o.Processes, &container.Process{
o.Processes = append(o.Processes, &task.Process{
Pid: uint32(p.Pid()),
Status: status,
})
@ -255,9 +257,9 @@ func (s *Service) Processes(ctx context.Context, r *shimapi.ProcessesRequest) (*
return nil, err
}
ps := []*container.Process{}
ps := []*task.Process{}
for _, pid := range pids {
ps = append(ps, &container.Process{
ps = append(ps, &task.Process{
Pid: pid,
})
}
@ -290,8 +292,8 @@ func (s *Service) Checkpoint(ctx context.Context, r *shimapi.CheckpointRequest)
func (s *Service) waitExit(p process, pid int, cmd *reaper.Cmd) {
status := <-cmd.ExitCh
p.Exited(status)
s.events <- &container.Event{
Type: container.Event_EXIT,
s.events <- &task.Event{
Type: task.Event_EXIT,
ID: s.id,
Pid: uint32(pid),
ExitStatus: uint32(status),

59
linux/container.go → linux/task.go
View File

@ -6,7 +6,7 @@ import (
"context"
"github.com/containerd/containerd/api/services/shim"
"github.com/containerd/containerd/api/types/container"
"github.com/containerd/containerd/api/types/task"
"github.com/containerd/containerd/plugin"
protobuf "github.com/gogo/protobuf/types"
specs "github.com/opencontainers/runtime-spec/specs-go"
@ -25,48 +25,47 @@ func (s State) Status() plugin.Status {
return s.status
}
func newContainer(id string, spec []byte, shim shim.ShimClient) *Container {
return &Container{
id: id,
type Task struct {
containerID string
spec []byte
shim shim.ShimClient
}
func newTask(id string, spec []byte, shim shim.ShimClient) *Task {
return &Task{
containerID: id,
shim: shim,
spec: spec,
}
}
type Container struct {
id string
spec []byte
shim shim.ShimClient
}
func (c *Container) Info() plugin.ContainerInfo {
return plugin.ContainerInfo{
ID: c.id,
func (c *Task) Info() plugin.TaskInfo {
return plugin.TaskInfo{
ContainerID: c.containerID,
Runtime: runtimeName,
Spec: c.spec,
}
}
func (c *Container) Start(ctx context.Context) error {
func (c *Task) Start(ctx context.Context) error {
_, err := c.shim.Start(ctx, &shim.StartRequest{})
return err
}
func (c *Container) State(ctx context.Context) (plugin.State, error) {
func (c *Task) State(ctx context.Context) (plugin.State, error) {
response, err := c.shim.State(ctx, &shim.StateRequest{})
if err != nil {
return nil, err
}
var status plugin.Status
switch response.Status {
case container.StatusCreated:
case task.StatusCreated:
status = plugin.CreatedStatus
case container.StatusRunning:
case task.StatusRunning:
status = plugin.RunningStatus
case container.StatusStopped:
case task.StatusStopped:
status = plugin.StoppedStatus
case container.StatusPaused:
case task.StatusPaused:
status = plugin.PausedStatus
// TODO: containerd.DeletedStatus
}
@ -76,17 +75,17 @@ func (c *Container) State(ctx context.Context) (plugin.State, error) {
}, nil
}
func (c *Container) Pause(ctx context.Context) error {
func (c *Task) Pause(ctx context.Context) error {
_, err := c.shim.Pause(ctx, &shim.PauseRequest{})
return err
}
func (c *Container) Resume(ctx context.Context) error {
func (c *Task) Resume(ctx context.Context) error {
_, err := c.shim.Resume(ctx, &shim.ResumeRequest{})
return err
}
func (c *Container) Kill(ctx context.Context, signal uint32, pid uint32, all bool) error {
func (c *Task) Kill(ctx context.Context, signal uint32, pid uint32, all bool) error {
_, err := c.shim.Kill(ctx, &shim.KillRequest{
Signal: signal,
Pid: pid,
@ -95,7 +94,7 @@ func (c *Container) Kill(ctx context.Context, signal uint32, pid uint32, all boo
return err
}
func (c *Container) Exec(ctx context.Context, opts plugin.ExecOpts) (plugin.Process, error) {
func (c *Task) Exec(ctx context.Context, opts plugin.ExecOpts) (plugin.Process, error) {
request := &shim.ExecRequest{
Stdin: opts.IO.Stdin,
Stdout: opts.IO.Stdout,
@ -117,9 +116,9 @@ func (c *Container) Exec(ctx context.Context, opts plugin.ExecOpts) (plugin.Proc
}, nil
}
func (c *Container) Processes(ctx context.Context) ([]uint32, error) {
func (c *Task) Processes(ctx context.Context) ([]uint32, error) {
resp, err := c.shim.Processes(ctx, &shim.ProcessesRequest{
ID: c.id,
ID: c.containerID,
})
if err != nil {
@ -135,7 +134,7 @@ func (c *Container) Processes(ctx context.Context) ([]uint32, error) {
return pids, nil
}
func (c *Container) Pty(ctx context.Context, pid uint32, size plugin.ConsoleSize) error {
func (c *Task) Pty(ctx context.Context, pid uint32, size plugin.ConsoleSize) error {
_, err := c.shim.Pty(ctx, &shim.PtyRequest{
Pid: pid,
Width: size.Width,
@ -144,14 +143,14 @@ func (c *Container) Pty(ctx context.Context, pid uint32, size plugin.ConsoleSize
return err
}
func (c *Container) CloseStdin(ctx context.Context, pid uint32) error {
func (c *Task) CloseStdin(ctx context.Context, pid uint32) error {
_, err := c.shim.CloseStdin(ctx, &shim.CloseStdinRequest{
Pid: pid,
})
return err
}
func (c *Container) Checkpoint(ctx context.Context, opts plugin.CheckpointOpts) error {
func (c *Task) Checkpoint(ctx context.Context, opts plugin.CheckpointOpts) error {
_, err := c.shim.Checkpoint(ctx, &shim.CheckpointRequest{
Exit: opts.Exit,
AllowTcp: opts.AllowTCP,
@ -166,7 +165,7 @@ func (c *Container) Checkpoint(ctx context.Context, opts plugin.CheckpointOpts)
type Process struct {
pid int
c *Container
c *Task
}
func (p *Process) Kill(ctx context.Context, signal uint32, _ bool) error {

6
metrics/cgroups/cgroups.go
View File

@ -14,7 +14,7 @@ const name = "cgroups"
func init() {
plugin.Register(name, &plugin.Registration{
Type: plugin.ContainerMonitorPlugin,
Type: plugin.TaskMonitorPlugin,
Init: New,
})
}
@ -43,7 +43,7 @@ type cgroupsMonitor struct {
events chan<- *plugin.Event
}
func (m *cgroupsMonitor) Monitor(c plugin.Container) error {
func (m *cgroupsMonitor) Monitor(c plugin.Task) error {
id := c.Info().ID
state, err := c.State(m.context)
if err != nil {
@ -59,7 +59,7 @@ func (m *cgroupsMonitor) Monitor(c plugin.Container) error {
return m.oom.Add(id, cg, m.trigger)
}
func (m *cgroupsMonitor) Stop(c plugin.Container) error {
func (m *cgroupsMonitor) Stop(c plugin.Task) error {
m.collector.Remove(c.Info().ID)
return nil
}

7
plugin/container.go
View File

@ -2,15 +2,16 @@ package plugin
import "context"
type ContainerInfo struct {
type TaskInfo struct {
ID string
ContainerID string
Runtime string
Spec []byte
}
type Container interface {
type Task interface {
// Information of the container
Info() ContainerInfo
Info() TaskInfo
// Start the container's user defined process
Start(context.Context) error
// State returns the container's state

34
plugin/monitor.go
View File

@ -1,44 +1,44 @@
package plugin
// ContainerMonitor provides an interface for monitoring of containers within containerd
type ContainerMonitor interface {
// TaskMonitor provides an interface for monitoring of containers within containerd
type TaskMonitor interface {
// Monitor adds the provided container to the monitor
Monitor(Container) error
Monitor(Task) error
// Stop stops and removes the provided container from the monitor
Stop(Container) error
Stop(Task) error
// Events emits events from the monitor
Events(chan<- *Event)
}
func NewMultiContainerMonitor(monitors ...ContainerMonitor) ContainerMonitor {
return &multiContainerMonitor{
func NewMultiTaskMonitor(monitors ...TaskMonitor) TaskMonitor {
return &multiTaskMonitor{
monitors: monitors,
}
}
func NewNoopMonitor() ContainerMonitor {
return &noopContainerMonitor{}
func NewNoopMonitor() TaskMonitor {
return &noopTaskMonitor{}
}
type noopContainerMonitor struct {
type noopTaskMonitor struct {
}
func (mm *noopContainerMonitor) Monitor(c Container) error {
func (mm *noopTaskMonitor) Monitor(c Task) error {
return nil
}
func (mm *noopContainerMonitor) Stop(c Container) error {
func (mm *noopTaskMonitor) Stop(c Task) error {
return nil
}
func (mm *noopContainerMonitor) Events(events chan<- *Event) {
func (mm *noopTaskMonitor) Events(events chan<- *Event) {
}
type multiContainerMonitor struct {
monitors []ContainerMonitor
type multiTaskMonitor struct {
monitors []TaskMonitor
}
func (mm *multiContainerMonitor) Monitor(c Container) error {
func (mm *multiTaskMonitor) Monitor(c Task) error {
for _, m := range mm.monitors {
if err := m.Monitor(c); err != nil {
return err
@ -47,7 +47,7 @@ func (mm *multiContainerMonitor) Monitor(c Container) error {
return nil
}
func (mm *multiContainerMonitor) Stop(c Container) error {
func (mm *multiTaskMonitor) Stop(c Task) error {
for _, m := range mm.monitors {
if err := m.Stop(c); err != nil {
return err
@ -56,7 +56,7 @@ func (mm *multiContainerMonitor) Stop(c Container) error {
return nil
}
func (mm *multiContainerMonitor) Events(events chan<- *Event) {
func (mm *multiTaskMonitor) Events(events chan<- *Event) {
for _, m := range mm.monitors {
m.Events(events)
}

4
plugin/plugin.go
View File

@ -18,7 +18,7 @@ const (
RuntimePlugin PluginType = iota + 1
GRPCPlugin
SnapshotPlugin
ContainerMonitorPlugin
TaskMonitorPlugin
)
type Registration struct {
@ -37,7 +37,7 @@ type InitContext struct {
Snapshotter snapshot.Snapshotter
Config interface{}
Context context.Context
Monitor ContainerMonitor
Monitor TaskMonitor
}
type Service interface {

6
plugin/runtime.go
View File

@ -33,11 +33,11 @@ type Exit struct {
// arch, or custom usage.
type Runtime interface {
// Create creates a container with the provided id and options
Create(ctx context.Context, id string, opts CreateOpts) (Container, error)
Create(ctx context.Context, id string, opts CreateOpts) (Task, error)
// Containers returns all the current containers for the runtime
Containers(context.Context) ([]Container, error)
Tasks(context.Context) ([]Task, error)
// Delete removes the container in the runtime
Delete(context.Context, Container) (*Exit, error)
Delete(context.Context, Task) (*Exit, error)
// Events returns events for the runtime and all containers created by the runtime
Events(context.Context) <-chan *Event
}

56
services/containers/helpers.go Normal file
View File

@ -0,0 +1,56 @@
package containers
import (
api "github.com/containerd/containerd/api/services/containers"
"github.com/containerd/containerd/containers"
"github.com/gogo/protobuf/types"
specs "github.com/opencontainers/runtime-spec/specs-go"
"google.golang.org/grpc"
"google.golang.org/grpc/codes"
)
func containersToProto(containers []containers.Container) []api.Container {
var containerspb []api.Container
for _, image := range containers {
containerspb = append(containerspb, containerToProto(&image))
}
return containerspb
}
func containerToProto(container *containers.Container) api.Container {
return api.Container{
ID: container.ID,
Labels: container.Labels,
Image: container.Image,
Runtime: container.Runtime,
Spec: &types.Any{
TypeUrl: specs.Version,
Value: container.Spec,
},
RootFS: container.RootFS,
}
}
func containerFromProto(containerpb *api.Container) containers.Container {
return containers.Container{
ID: containerpb.ID,
Labels: containerpb.Labels,
Image: containerpb.Image,
Runtime: containerpb.Runtime,
Spec: containerpb.Spec.Value,
RootFS: containerpb.RootFS,
}
}
func mapGRPCError(err error, id string) error {
switch {
case containers.IsNotFound(err):
return grpc.Errorf(codes.NotFound, "container %v not found", id)
case containers.IsExists(err):
return grpc.Errorf(codes.AlreadyExists, "container %v already exists", id)
}
return err
}

148
services/containers/service.go Normal file
View File

@ -0,0 +1,148 @@
package containers
import (
"github.com/boltdb/bolt"
api "github.com/containerd/containerd/api/services/containers"
"github.com/containerd/containerd/containers"
"github.com/containerd/containerd/plugin"
"github.com/golang/protobuf/ptypes/empty"
"golang.org/x/net/context"
"google.golang.org/grpc"
"google.golang.org/grpc/codes"
)
func init() {
plugin.Register("containers-grpc", &plugin.Registration{
Type: plugin.GRPCPlugin,
Init: func(ic *plugin.InitContext) (interface{}, error) {
return NewService(ic.Meta), nil
},
})
}
type Service struct {
db *bolt.DB
}
func NewService(db *bolt.DB) api.ContainersServer {
return &Service{db: db}
}
func (s *Service) Register(server *grpc.Server) error {
api.RegisterContainersServer(server, s)
return nil
}
func (s *Service) Get(ctx context.Context, req *api.GetContainerRequest) (*api.GetContainerResponse, error) {
var resp api.GetContainerResponse
return &resp, s.withStoreView(ctx, func(ctx context.Context, store containers.Store) error {
container, err := store.Get(ctx, req.ID)
if err != nil {
return mapGRPCError(err, req.ID)
}
containerpb := containerToProto(&container)
resp.Container = containerpb
return nil
})
}
func (s *Service) List(ctx context.Context, req *api.ListContainersRequest) (*api.ListContainersResponse, error) {
var resp api.ListContainersResponse
return &resp, s.withStoreView(ctx, func(ctx context.Context, store containers.Store) error {
containers, err := store.List(ctx, req.Filter)
if err != nil {
return mapGRPCError(err, "")
}
resp.Containers = containersToProto(containers)
return nil
})
}
func (s *Service) Create(ctx context.Context, req *api.CreateContainerRequest) (*api.CreateContainerResponse, error) {
var resp api.CreateContainerResponse
return &resp, s.withStoreUpdate(ctx, func(ctx context.Context, store containers.Store) error {
container := containerFromProto(&req.Container)
created, err := store.Create(ctx, container)
if err != nil {
return mapGRPCError(err, req.Container.ID)
}
resp.Container = containerToProto(&created)
return nil
})
}
func (s *Service) Update(ctx context.Context, req *api.UpdateContainerRequest) (*api.UpdateContainerResponse, error) {
var resp api.UpdateContainerResponse
return &resp, s.withStoreUpdate(ctx, func(ctx context.Context, store containers.Store) error {
container := containerFromProto(&req.Container)
current, err := store.Get(ctx, container.ID)
if err != nil {
return mapGRPCError(err, container.ID)
}
if current.ID != container.ID {
return grpc.Errorf(codes.InvalidArgument, "container ids must match: %v != %v", current.ID, container.ID)
}
// apply the field mask. If you update this code, you better follow the
// field mask rules in field_mask.proto. If you don't know what this
// is, do not update this code.
if req.UpdateMask != nil && len(req.UpdateMask.Paths) > 0 {
for _, path := range req.UpdateMask.Paths {
switch path {
case "labels":
current.Labels = container.Labels
case "image":
current.Image = container.Image
case "runtime":
// TODO(stevvooe): Should this actually be allowed?
current.Runtime = container.Runtime
case "spec":
current.Spec = container.Spec
case "rootfs":
current.RootFS = container.RootFS
default:
return grpc.Errorf(codes.InvalidArgument, "cannot update %q field", path)
}
}
} else {
// no field mask present, just replace everything
current = container
}
created, err := store.Update(ctx, container)
if err != nil {
return mapGRPCError(err, req.Container.ID)
}
resp.Container = containerToProto(&created)
return nil
})
}
func (s *Service) Delete(ctx context.Context, req *api.DeleteContainerRequest) (*empty.Empty, error) {
return &empty.Empty{}, s.withStoreUpdate(ctx, func(ctx context.Context, store containers.Store) error {
return mapGRPCError(store.Delete(ctx, req.ID), req.ID)
})
}
func (s *Service) withStore(ctx context.Context, fn func(ctx context.Context, store containers.Store) error) func(tx *bolt.Tx) error {
return func(tx *bolt.Tx) error { return fn(ctx, containers.NewStore(tx)) }
}
func (s *Service) withStoreView(ctx context.Context, fn func(ctx context.Context, store containers.Store) error) error {
return s.db.View(s.withStore(ctx, fn))
}
func (s *Service) withStoreUpdate(ctx context.Context, fn func(ctx context.Context, store containers.Store) error) error {
return s.db.Update(s.withStore(ctx, fn))
}

145
services/execution/service.go
View File

@ -9,10 +9,12 @@ import (
"path/filepath"
"sync"
"github.com/boltdb/bolt"
api "github.com/containerd/containerd/api/services/execution"
"github.com/containerd/containerd/api/types/container"
"github.com/containerd/containerd/api/types/descriptor"
"github.com/containerd/containerd/api/types/task"
"github.com/containerd/containerd/archive"
"github.com/containerd/containerd/containers"
"github.com/containerd/containerd/content"
"github.com/containerd/containerd/images"
"github.com/containerd/containerd/log"
@ -23,15 +25,16 @@ import (
specs "github.com/opencontainers/image-spec/specs-go"
"golang.org/x/net/context"
"google.golang.org/grpc"
"google.golang.org/grpc/codes"
)
var (
_ = (api.ContainerServiceServer)(&Service{})
_ = (api.TasksServer)(&Service{})
empty = &google_protobuf.Empty{}
)
func init() {
plugin.Register("runtime-grpc", &plugin.Registration{
plugin.Register("tasks-grpc", &plugin.Registration{
Type: plugin.GRPCPlugin,
Init: New,
})
@ -44,7 +47,8 @@ func New(ic *plugin.InitContext) (interface{}, error) {
}
return &Service{
runtimes: ic.Runtimes,
containers: make(map[string]plugin.Container),
tasks: make(map[string]plugin.Task),
db: ic.Meta,
collector: c,
store: ic.Content,
}, nil
@ -54,21 +58,22 @@ type Service struct {
mu sync.Mutex
runtimes map[string]plugin.Runtime
containers map[string]plugin.Container
tasks map[string]plugin.Task
db *bolt.DB
collector *collector
store content.Store
}
func (s *Service) Register(server *grpc.Server) error {
api.RegisterContainerServiceServer(server, s)
// load all containers
api.RegisterTasksServer(server, s)
// load all tasks
for _, r := range s.runtimes {
containers, err := r.Containers(context.Background())
tasks, err := r.Tasks(context.Background())
if err != nil {
return err
}
for _, c := range containers {
s.containers[c.Info().ID] = c
for _, c := range tasks {
s.tasks[c.Info().ContainerID] = c
}
}
return nil
@ -80,7 +85,7 @@ func (s *Service) Create(ctx context.Context, r *api.CreateRequest) (*api.Create
err error
)
if r.Checkpoint != nil {
checkpointPath, err = ioutil.TempDir("", "ctd-checkpoint")
checkpointPath, err = ioutil.TempDir("", "ctrd-checkpoint")
if err != nil {
return nil, err
}
@ -97,8 +102,26 @@ func (s *Service) Create(ctx context.Context, r *api.CreateRequest) (*api.Create
return nil, err
}
}
var container containers.Container
if err := s.db.View(func(tx *bolt.Tx) error {
store := containers.NewStore(tx)
var err error
container, err = store.Get(ctx, r.ContainerID)
return err
}); err != nil {
switch {
case containers.IsNotFound(err):
return nil, grpc.Errorf(codes.NotFound, "container %v not found", r.ContainerID)
case containers.IsExists(err):
return nil, grpc.Errorf(codes.AlreadyExists, "container %v already exists", r.ContainerID)
}
return nil, err
}
opts := plugin.CreateOpts{
Spec: r.Spec.Value,
Spec: container.Spec,
IO: plugin.IO{
Stdin: r.Stdin,
Stdout: r.Stdout,
@ -114,38 +137,38 @@ func (s *Service) Create(ctx context.Context, r *api.CreateRequest) (*api.Create
Options: m.Options,
})
}
runtime, err := s.getRuntime(r.Runtime)
runtime, err := s.getRuntime(container.Runtime)
if err != nil {
return nil, err
}
s.mu.Lock()
if _, ok := s.containers[r.ID]; ok {
if _, ok := s.tasks[r.ContainerID]; ok {
s.mu.Unlock()
return nil, plugin.ErrContainerExists
return nil, grpc.Errorf(codes.AlreadyExists, "task %v already exists", r.ContainerID)
}
c, err := runtime.Create(ctx, r.ID, opts)
c, err := runtime.Create(ctx, r.ContainerID, opts)
if err != nil {
s.mu.Unlock()
return nil, err
}
s.containers[r.ID] = c
s.tasks[r.ContainerID] = c
s.mu.Unlock()
state, err := c.State(ctx)
if err != nil {
s.mu.Lock()
delete(s.containers, r.ID)
delete(s.tasks, r.ContainerID)
runtime.Delete(ctx, c)
s.mu.Unlock()
return nil, err
}
return &api.CreateResponse{
ID: r.ID,
ContainerID: r.ContainerID,
Pid: state.Pid(),
}, nil
}
func (s *Service) Start(ctx context.Context, r *api.StartRequest) (*google_protobuf.Empty, error) {
c, err := s.getContainer(r.ID)
c, err := s.getTask(r.ContainerID)
if err != nil {
return nil, err
}
@ -156,7 +179,7 @@ func (s *Service) Start(ctx context.Context, r *api.StartRequest) (*google_proto
}
func (s *Service) Delete(ctx context.Context, r *api.DeleteRequest) (*api.DeleteResponse, error) {
c, err := s.getContainer(r.ID)
c, err := s.getTask(r.ContainerID)
if err != nil {
return nil, err
}
@ -169,7 +192,7 @@ func (s *Service) Delete(ctx context.Context, r *api.DeleteRequest) (*api.Delete
return nil, err
}
delete(s.containers, r.ID)
delete(s.tasks, r.ContainerID)
return &api.DeleteResponse{
ExitStatus: exit.Status,
@ -177,26 +200,26 @@ func (s *Service) Delete(ctx context.Context, r *api.DeleteRequest) (*api.Delete
}, nil
}
func containerFromContainerd(ctx context.Context, c plugin.Container) (*container.Container, error) {
func taskFromContainerd(ctx context.Context, c plugin.Task) (*task.Task, error) {
state, err := c.State(ctx)
if err != nil {
return nil, err
}
var status container.Status
var status task.Status
switch state.Status() {
case plugin.CreatedStatus:
status = container.StatusCreated
status = task.StatusCreated
case plugin.RunningStatus:
status = container.StatusRunning
status = task.StatusRunning
case plugin.StoppedStatus:
status = container.StatusStopped
status = task.StatusStopped
case plugin.PausedStatus:
status = container.StatusPaused
status = task.StatusPaused
default:
log.G(ctx).WithField("status", state.Status()).Warn("unknown status")
}
return &container.Container{
return &task.Task{
ID: c.Info().ID,
Pid: state.Pid(),
Status: status,
@ -207,30 +230,36 @@ func containerFromContainerd(ctx context.Context, c plugin.Container) (*containe
}, nil
}
func (s *Service) Info(ctx context.Context, r *api.InfoRequest) (*container.Container, error) {
c, err := s.getContainer(r.ID)
func (s *Service) Info(ctx context.Context, r *api.InfoRequest) (*api.InfoResponse, error) {
task, err := s.getTask(r.ContainerID)
if err != nil {
return nil, err
}
return containerFromContainerd(ctx, c)
t, err := taskFromContainerd(ctx, task)
if err != nil {
return nil, err
}
return &api.InfoResponse{
Task: t,
}, nil
}
func (s *Service) List(ctx context.Context, r *api.ListRequest) (*api.ListResponse, error) {
resp := &api.ListResponse{}
s.mu.Lock()
defer s.mu.Unlock()
for _, cd := range s.containers {
c, err := containerFromContainerd(ctx, cd)
for _, cd := range s.tasks {
c, err := taskFromContainerd(ctx, cd)
if err != nil {
return nil, err
}
resp.Containers = append(resp.Containers, c)
resp.Tasks = append(resp.Tasks, c)
}
return resp, nil
}
func (s *Service) Pause(ctx context.Context, r *api.PauseRequest) (*google_protobuf.Empty, error) {
c, err := s.getContainer(r.ID)
c, err := s.getTask(r.ContainerID)
if err != nil {
return nil, err
}
@ -242,7 +271,7 @@ func (s *Service) Pause(ctx context.Context, r *api.PauseRequest) (*google_proto
}
func (s *Service) Resume(ctx context.Context, r *api.ResumeRequest) (*google_protobuf.Empty, error) {
c, err := s.getContainer(r.ID)
c, err := s.getTask(r.ContainerID)
if err != nil {
return nil, err
}
@ -254,7 +283,7 @@ func (s *Service) Resume(ctx context.Context, r *api.ResumeRequest) (*google_pro
}
func (s *Service) Kill(ctx context.Context, r *api.KillRequest) (*google_protobuf.Empty, error) {
c, err := s.getContainer(r.ID)
c, err := s.getTask(r.ContainerID)
if err != nil {
return nil, err
}
@ -275,7 +304,7 @@ func (s *Service) Kill(ctx context.Context, r *api.KillRequest) (*google_protobu
}
func (s *Service) Processes(ctx context.Context, r *api.ProcessesRequest) (*api.ProcessesResponse, error) {
c, err := s.getContainer(r.ID)
c, err := s.getTask(r.ContainerID)
if err != nil {
return nil, err
}
@ -285,9 +314,9 @@ func (s *Service) Processes(ctx context.Context, r *api.ProcessesRequest) (*api.
return nil, err
}
ps := []*container.Process{}
ps := []*task.Process{}
for _, pid := range pids {
ps = append(ps, &container.Process{
ps = append(ps, &task.Process{
Pid: pid,
})
}
@ -299,7 +328,7 @@ func (s *Service) Processes(ctx context.Context, r *api.ProcessesRequest) (*api.
return resp, nil
}
func (s *Service) Events(r *api.EventsRequest, server api.ContainerService_EventsServer) error {
func (s *Service) Events(r *api.EventsRequest, server api.Tasks_EventsServer) error {
w := &grpcEventWriter{
server: server,
}
@ -307,7 +336,7 @@ func (s *Service) Events(r *api.EventsRequest, server api.ContainerService_Event
}
func (s *Service) Exec(ctx context.Context, r *api.ExecRequest) (*api.ExecResponse, error) {
c, err := s.getContainer(r.ID)
c, err := s.getTask(r.ContainerID)
if err != nil {
return nil, err
}
@ -333,7 +362,7 @@ func (s *Service) Exec(ctx context.Context, r *api.ExecRequest) (*api.ExecRespon
}
func (s *Service) Pty(ctx context.Context, r *api.PtyRequest) (*google_protobuf.Empty, error) {
c, err := s.getContainer(r.ID)
c, err := s.getTask(r.ContainerID)
if err != nil {
return nil, err
}
@ -347,7 +376,7 @@ func (s *Service) Pty(ctx context.Context, r *api.PtyRequest) (*google_protobuf.
}
func (s *Service) CloseStdin(ctx context.Context, r *api.CloseStdinRequest) (*google_protobuf.Empty, error) {
c, err := s.getContainer(r.ID)
c, err := s.getTask(r.ContainerID)
if err != nil {
return nil, err
}
@ -358,7 +387,7 @@ func (s *Service) CloseStdin(ctx context.Context, r *api.CloseStdinRequest) (*go
}
func (s *Service) Checkpoint(ctx context.Context, r *api.CheckpointRequest) (*api.CheckpointResponse, error) {
c, err := s.getContainer(r.ID)
c, err := s.getTask(r.ContainerID)
if err != nil {
return nil, err
}
@ -423,12 +452,12 @@ func (s *Service) writeContent(ctx context.Context, mediaType, ref string, r io.
}, nil
}
func (s *Service) getContainer(id string) (plugin.Container, error) {
func (s *Service) getTask(id string) (plugin.Task, error) {
s.mu.Lock()
c, ok := s.containers[id]
c, ok := s.tasks[id]
s.mu.Unlock()
if !ok {
return nil, plugin.ErrContainerNotExist
return nil, grpc.Errorf(codes.NotFound, "task %v not found", id)
}
return c, nil
}
@ -442,26 +471,26 @@ func (s *Service) getRuntime(name string) (plugin.Runtime, error) {
}
type grpcEventWriter struct {
server api.ContainerService_EventsServer
server api.Tasks_EventsServer
}
func (g *grpcEventWriter) Write(e *plugin.Event) error {
var t container.Event_EventType
var t task.Event_EventType
switch e.Type {
case plugin.ExitEvent:
t = container.Event_EXIT
t = task.Event_EXIT
case plugin.ExecAddEvent:
t = container.Event_EXEC_ADDED
t = task.Event_EXEC_ADDED
case plugin.PausedEvent:
t = container.Event_PAUSED
t = task.Event_PAUSED
case plugin.CreateEvent:
t = container.Event_CREATE
t = task.Event_CREATE
case plugin.StartEvent:
t = container.Event_START
t = task.Event_START
case plugin.OOMEvent:
t = container.Event_OOM
t = task.Event_OOM
}
return g.server.Send(&container.Event{
return g.server.Send(&task.Event{
Type: t,
ID: e.ID,
Pid: e.Pid,

2
services/images/service.go
View File

@ -73,7 +73,7 @@ func (s *Service) Delete(ctx context.Context, req *imagesapi.DeleteRequest) (*em
}
func (s *Service) withStore(ctx context.Context, fn func(ctx context.Context, store images.Store) error) func(tx *bolt.Tx) error {
return func(tx *bolt.Tx) error { return fn(ctx, images.NewImageStore(tx)) }
return func(tx *bolt.Tx) error { return fn(ctx, images.NewStore(tx)) }
}
func (s *Service) withStoreView(ctx context.Context, fn func(ctx context.Context, store images.Store) error) error {

4
windows/container.go
View File

@ -68,8 +68,8 @@ type container struct {
sendEvent eventCallback
}
func (c *container) Info() plugin.ContainerInfo {
return plugin.ContainerInfo{
func (c *container) Info() plugin.TaskInfo {
return plugin.TaskInfo{
ID: c.ctr.ID(),
Runtime: runtimeName,
}

8
windows/runtime.go
View File

@ -100,7 +100,7 @@ type RuntimeSpec struct {
hcs.Configuration
}
func (r *Runtime) Create(ctx context.Context, id string, opts plugin.CreateOpts) (plugin.Container, error) {
func (r *Runtime) Create(ctx context.Context, id string, opts plugin.CreateOpts) (plugin.Task, error) {
var rtSpec RuntimeSpec
if err := json.Unmarshal(opts.Spec, &rtSpec); err != nil {
return nil, errors.Wrap(err, "failed to unmarshal oci spec")
@ -118,7 +118,7 @@ func (r *Runtime) Create(ctx context.Context, id string, opts plugin.CreateOpts)
return ctr, nil
}
func (r *Runtime) Delete(ctx context.Context, c plugin.Container) (*plugin.Exit, error) {
func (r *Runtime) Delete(ctx context.Context, c plugin.Task) (*plugin.Exit, error) {
wc, ok := c.(*container)
if !ok {
return nil, fmt.Errorf("container cannot be cast as *windows.container")
@ -140,10 +140,10 @@ func (r *Runtime) Delete(ctx context.Context, c plugin.Container) (*plugin.Exit,
}, nil
}
func (r *Runtime) Containers(ctx context.Context) ([]plugin.Container, error) {
func (r *Runtime) Tasks(ctx context.Context) ([]plugin.Task, error) {
r.Lock()
defer r.Unlock()
list := make([]plugin.Container, len(r.containers))
list := make([]plugin.Task, len(r.containers))
for _, c := range r.containers {
select {
case <-ctx.Done():