diff --git a/api/grpc/server/server.go b/api/grpc/server/server.go index a7811cd..55eb713 100644 --- a/api/grpc/server/server.go +++ b/api/grpc/server/server.go @@ -56,6 +56,7 @@ func (s *apiServer) CreateContainer(ctx context.Context, c *types.CreateContaine e.RuntimeArgs = c.RuntimeArgs e.StartResponse = make(chan supervisor.StartResponse, 1) if c.Checkpoint != "" { + e.CheckpointDir = c.CheckpointDir e.Checkpoint = &runtime.Checkpoint{ Name: c.Checkpoint, } @@ -77,6 +78,7 @@ func (s *apiServer) CreateContainer(ctx context.Context, c *types.CreateContaine func (s *apiServer) CreateCheckpoint(ctx context.Context, r *types.CreateCheckpointRequest) (*types.CreateCheckpointResponse, error) { e := &supervisor.CreateCheckpointTask{} e.ID = r.Id + e.CheckpointDir = r.CheckpointDir e.Checkpoint = &runtime.Checkpoint{ Name: r.Checkpoint.Name, Exit: r.Checkpoint.Exit, @@ -84,6 +86,7 @@ func (s *apiServer) CreateCheckpoint(ctx context.Context, r *types.CreateCheckpo UnixSockets: r.Checkpoint.UnixSockets, Shell: r.Checkpoint.Shell, } + s.sv.SendTask(e) if err := <-e.ErrorCh(); err != nil { return nil, err @@ -97,6 +100,7 @@ func (s *apiServer) DeleteCheckpoint(ctx context.Context, r *types.DeleteCheckpo } e := &supervisor.DeleteCheckpointTask{} e.ID = r.Id + e.CheckpointDir = r.CheckpointDir e.Checkpoint = &runtime.Checkpoint{ Name: r.Name, } @@ -124,7 +128,7 @@ func (s *apiServer) ListCheckpoint(ctx context.Context, r *types.ListCheckpointR return nil, grpc.Errorf(codes.NotFound, "no such containers") } var out []*types.Checkpoint - checkpoints, err := container.Checkpoints() + checkpoints, err := container.Checkpoints(r.CheckpointDir) if err != nil { return nil, err } diff --git a/api/grpc/types/api.pb.go b/api/grpc/types/api.pb.go index 2f2e52b..c6a0303 100644 --- a/api/grpc/types/api.pb.go +++ b/api/grpc/types/api.pb.go @@ -71,7 +71,10 @@ var _ = math.Inf // This is a compile-time assertion to ensure that this generated file // is compatible with the proto package it is being compiled against. -const _ = proto.ProtoPackageIsVersion1 +// A compilation error at this line likely means your copy of the +// proto package needs to be updated. +// FIXME: I can't seeem to get this to work. +const _ = proto.ProtoPackageIsVersion1 // please upgrade the proto package type GetServerVersionRequest struct { } @@ -115,16 +118,17 @@ func (*UpdateProcessResponse) ProtoMessage() {} func (*UpdateProcessResponse) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{3} } type CreateContainerRequest struct { - Id string `protobuf:"bytes,1,opt,name=id" json:"id,omitempty"` - BundlePath string `protobuf:"bytes,2,opt,name=bundlePath" json:"bundlePath,omitempty"` - Checkpoint string `protobuf:"bytes,3,opt,name=checkpoint" json:"checkpoint,omitempty"` - Stdin string `protobuf:"bytes,4,opt,name=stdin" json:"stdin,omitempty"` - Stdout string `protobuf:"bytes,5,opt,name=stdout" json:"stdout,omitempty"` - Stderr string `protobuf:"bytes,6,opt,name=stderr" json:"stderr,omitempty"` - Labels []string `protobuf:"bytes,7,rep,name=labels" json:"labels,omitempty"` - NoPivotRoot bool `protobuf:"varint,8,opt,name=noPivotRoot" json:"noPivotRoot,omitempty"` - Runtime string `protobuf:"bytes,9,opt,name=runtime" json:"runtime,omitempty"` - RuntimeArgs []string `protobuf:"bytes,10,rep,name=runtimeArgs" json:"runtimeArgs,omitempty"` + Id string `protobuf:"bytes,1,opt,name=id" json:"id,omitempty"` + BundlePath string `protobuf:"bytes,2,opt,name=bundlePath" json:"bundlePath,omitempty"` + Checkpoint string `protobuf:"bytes,3,opt,name=checkpoint" json:"checkpoint,omitempty"` + Stdin string `protobuf:"bytes,4,opt,name=stdin" json:"stdin,omitempty"` + Stdout string `protobuf:"bytes,5,opt,name=stdout" json:"stdout,omitempty"` + Stderr string `protobuf:"bytes,6,opt,name=stderr" json:"stderr,omitempty"` + Labels []string `protobuf:"bytes,7,rep,name=labels" json:"labels,omitempty"` + NoPivotRoot bool `protobuf:"varint,8,opt,name=noPivotRoot" json:"noPivotRoot,omitempty"` + Runtime string `protobuf:"bytes,9,opt,name=runtime" json:"runtime,omitempty"` + RuntimeArgs []string `protobuf:"bytes,10,rep,name=runtimeArgs" json:"runtimeArgs,omitempty"` + CheckpointDir string `protobuf:"bytes,11,opt,name=checkpointDir" json:"checkpointDir,omitempty"` } func (m *CreateContainerRequest) Reset() { *m = CreateContainerRequest{} } @@ -235,8 +239,9 @@ func (*AddProcessResponse) ProtoMessage() {} func (*AddProcessResponse) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{11} } type CreateCheckpointRequest struct { - Id string `protobuf:"bytes,1,opt,name=id" json:"id,omitempty"` - Checkpoint *Checkpoint `protobuf:"bytes,2,opt,name=checkpoint" json:"checkpoint,omitempty"` + Id string `protobuf:"bytes,1,opt,name=id" json:"id,omitempty"` + Checkpoint *Checkpoint `protobuf:"bytes,2,opt,name=checkpoint" json:"checkpoint,omitempty"` + CheckpointDir string `protobuf:"bytes,3,opt,name=checkpointDir" json:"checkpointDir,omitempty"` } func (m *CreateCheckpointRequest) Reset() { *m = CreateCheckpointRequest{} } @@ -260,8 +265,9 @@ func (*CreateCheckpointResponse) ProtoMessage() {} func (*CreateCheckpointResponse) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{13} } type DeleteCheckpointRequest struct { - Id string `protobuf:"bytes,1,opt,name=id" json:"id,omitempty"` - Name string `protobuf:"bytes,2,opt,name=name" json:"name,omitempty"` + Id string `protobuf:"bytes,1,opt,name=id" json:"id,omitempty"` + Name string `protobuf:"bytes,2,opt,name=name" json:"name,omitempty"` + CheckpointDir string `protobuf:"bytes,3,opt,name=checkpointDir" json:"checkpointDir,omitempty"` } func (m *DeleteCheckpointRequest) Reset() { *m = DeleteCheckpointRequest{} } @@ -278,7 +284,8 @@ func (*DeleteCheckpointResponse) ProtoMessage() {} func (*DeleteCheckpointResponse) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{15} } type ListCheckpointRequest struct { - Id string `protobuf:"bytes,1,opt,name=id" json:"id,omitempty"` + Id string `protobuf:"bytes,1,opt,name=id" json:"id,omitempty"` + CheckpointDir string `protobuf:"bytes,2,opt,name=checkpointDir" json:"checkpointDir,omitempty"` } func (m *ListCheckpointRequest) Reset() { *m = ListCheckpointRequest{} } @@ -1310,150 +1317,152 @@ var _API_serviceDesc = grpc.ServiceDesc{ } var fileDescriptor0 = []byte{ - // 2307 bytes of a gzipped FileDescriptorProto - 0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0xec, 0x59, 0xcd, 0x73, 0x1b, 0x49, - 0x15, 0x8f, 0xa4, 0x91, 0x6c, 0x3d, 0x7d, 0xd8, 0x9e, 0xf8, 0x43, 0xd1, 0x6e, 0xb2, 0x61, 0x0a, - 0xd8, 0x00, 0x8b, 0x09, 0xce, 0x6e, 0x91, 0x82, 0x82, 0xaa, 0xc4, 0x09, 0x4b, 0xd8, 0x78, 0x71, - 0xc6, 0x36, 0x7b, 0xa1, 0x4a, 0x35, 0x9e, 0xe9, 0x48, 0x83, 0xa5, 0x99, 0xd9, 0x99, 0x96, 0x2d, - 0x5f, 0x38, 0xc2, 0x8d, 0x7f, 0x80, 0x2a, 0x2e, 0x70, 0xe2, 0xce, 0x81, 0xbf, 0x80, 0xff, 0x84, - 0xe2, 0xc2, 0x9d, 0x23, 0xaf, 0xbb, 0xdf, 0xf4, 0xf4, 0xe8, 0xc3, 0x0e, 0x07, 0x8a, 0xcb, 0x5e, - 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0x6e, 0xfd, 0x1e, 0x80, 0xf8, 0xbc, 0x18, 0xe4, 0x85, 0xca, 0x7c, 0x42, 0xd4, + 0x37, 0x04, 0x7e, 0xcb, 0xe4, 0xc3, 0xfe, 0x19, 0x6c, 0x2d, 0xc8, 0x5c, 0x52, 0xa6, 0xbe, 0x65, + 0x96, 0xa9, 0xd6, 0xc1, 0x7b, 0x24, 0xd2, 0x5c, 0x6a, 0xd6, 0xae, 0x3f, 0x54, 0xd4, 0xd7, 0x88, + 0x7e, 0xe5, 0xb1, 0x9f, 0x41, 0x27, 0x52, 0xcd, 0x97, 0x0e, 0x40, 0xcd, 0x10, 0x64, 0x36, 0x66, + 0x6e, 0x3b, 0x32, 0xdb, 0x34, 0x0c, 0x84, 0x2f, 0x3d, 0xb0, 0x34, 0x10, 0x86, 0x73, 0xdc, 0x96, + 0x6f, 0x44, 0xbb, 0xd4, 0x0c, 0xd6, 0xe6, 0x9b, 0x41, 0x7a, 0x34, 0x58, 0xf5, 0xac, 0x79, 0xf0, + 0xcf, 0x06, 0xd4, 0x9e, 0x9f, 0xbc, 0xb2, 0xcf, 0x61, 0x73, 0xfe, 0x5f, 0x01, 0xfb, 0x21, 0xa9, + 0x5e, 0xf1, 0x4f, 0x42, 0xff, 0xc3, 0x95, 0xf3, 0xd4, 0x2d, 0xdf, 0xb3, 0x5d, 0xd8, 0x98, 0x7b, + 0x03, 0xb6, 0xf3, 0xeb, 0x64, 0xf9, 0x3b, 0x7b, 0xff, 0xe1, 0xaa, 0x69, 0x53, 0xe6, 0x5c, 0x7b, + 0xae, 0x65, 0x2e, 0xff, 0x54, 0xd3, 0x32, 0x57, 0x75, 0xf5, 0xf7, 0xec, 0x1f, 0x40, 0x43, 0xbd, + 0x0a, 0xdb, 0xdb, 0xc4, 0x5b, 0x7a, 0x6f, 0xee, 0xef, 0xcc, 0xa1, 0x7a, 0xe1, 0x6b, 0xe8, 0x94, + 0xfe, 0x4a, 0xb0, 0xdf, 0x2f, 0xe9, 0x2a, 0x3f, 0x2a, 0xf7, 0x3f, 0x58, 0x3e, 0xa9, 0xa5, 0x1d, + 0x02, 0x14, 0x0f, 0x87, 0x76, 0x8f, 0xb8, 0x17, 0x1e, 0xa7, 0xfb, 0xf7, 0x97, 0xcc, 0x68, 0x21, + 0x18, 0xca, 0xf9, 0x27, 0x3e, 0x7b, 0xce, 0xab, 0xf3, 0x0f, 0x6c, 0x3a, 0x94, 0x2b, 0xdf, 0x06, + 0xa5, 0xd8, 0xf9, 0x87, 0x3b, 0x2d, 0x76, 0xc5, 0xb3, 0xa1, 0x16, 0xbb, 0xf2, 0xc5, 0xef, 0x9e, + 0xfd, 0x73, 0xe8, 0x96, 0x1f, 0xc9, 0xec, 0xdc, 0x49, 0x4b, 0x9f, 0x02, 0xfb, 0x0f, 0x56, 0xcc, + 0x6a, 0x81, 0x9f, 0x40, 0x5d, 0xbd, 0x7e, 0xe5, 0x47, 0xce, 0x7c, 0x34, 0xeb, 0x6f, 0x97, 0x41, + 0xbd, 0xea, 0x09, 0x34, 0xd4, 0x87, 0x9d, 0x4e, 0x80, 0xd2, 0x77, 0x5e, 0xbf, 0x6d, 0xa2, 0xce, + 0xbd, 0x27, 0x95, 0x5c, 0x4f, 0x56, 0xd2, 0x93, 0x2d, 0xd3, 0x63, 0x04, 0xe7, 0xa2, 0x21, 0xff, + 0xa6, 0x7b, 0xfa, 0xef, 0x00, 0x00, 0x00, 0xff, 0xff, 0xb7, 0xce, 0x6c, 0xd6, 0xb3, 0x1b, 0x00, + 0x00, } diff --git a/api/grpc/types/api.proto b/api/grpc/types/api.proto index 546b42f..63a07bd 100644 --- a/api/grpc/types/api.proto +++ b/api/grpc/types/api.proto @@ -49,6 +49,7 @@ message CreateContainerRequest { bool noPivotRoot = 8; string runtime = 9; repeated string runtimeArgs = 10; + string checkpointDir = 11; // Directory where checkpoints are stored } message CreateContainerResponse { @@ -100,6 +101,7 @@ message AddProcessResponse { message CreateCheckpointRequest { string id = 1; // ID of container Checkpoint checkpoint = 2; // Checkpoint configuration + string checkpointDir = 3; // Directory where checkpoints are stored } message CreateCheckpointResponse { @@ -108,6 +110,7 @@ message CreateCheckpointResponse { message DeleteCheckpointRequest { string id = 1; // ID of container string name = 2; // Name of checkpoint + string checkpointDir = 3; // Directory where checkpoints are stored } message DeleteCheckpointResponse { @@ -115,6 +118,7 @@ message DeleteCheckpointResponse { message ListCheckpointRequest { string id = 1; // ID of container + string checkpointDir = 2; // Directory where checkpoints are stored } message Checkpoint { diff --git a/containerd-shim/process.go b/containerd-shim/process.go index eb7f489..f2bc5ea 100644 --- a/containerd-shim/process.go +++ b/containerd-shim/process.go @@ -36,31 +36,32 @@ type checkpoint struct { type processState struct { specs.ProcessSpec - Exec bool `json:"exec"` - Stdin string `json:"containerdStdin"` - Stdout string `json:"containerdStdout"` - Stderr string `json:"containerdStderr"` - RuntimeArgs []string `json:"runtimeArgs"` - NoPivotRoot bool `json:"noPivotRoot"` - Checkpoint string `json:"checkpoint"` - RootUID int `json:"rootUID"` - RootGID int `json:"rootGID"` + Exec bool `json:"exec"` + Stdin string `json:"containerdStdin"` + Stdout string `json:"containerdStdout"` + Stderr string `json:"containerdStderr"` + RuntimeArgs []string `json:"runtimeArgs"` + NoPivotRoot bool `json:"noPivotRoot"` + CheckpointPath string `json:"checkpoint"` + RootUID int `json:"rootUID"` + RootGID int `json:"rootGID"` } type process struct { sync.WaitGroup - id string - bundle string - stdio *stdio - exec bool - containerPid int - checkpoint *checkpoint - shimIO *IO - stdinCloser io.Closer - console *os.File - consolePath string - state *processState - runtime string + id string + bundle string + stdio *stdio + exec bool + containerPid int + checkpoint *checkpoint + checkpointPath string + shimIO *IO + stdinCloser io.Closer + console *os.File + consolePath string + state *processState + runtime string } func newProcess(id, bundle, runtimeName string) (*process, error) { @@ -74,12 +75,13 @@ func newProcess(id, bundle, runtimeName string) (*process, error) { return nil, err } p.state = s - if s.Checkpoint != "" { - cpt, err := loadCheckpoint(bundle, s.Checkpoint) + if s.CheckpointPath != "" { + cpt, err := loadCheckpoint(s.CheckpointPath) if err != nil { return nil, err } p.checkpoint = cpt + p.checkpointPath = s.CheckpointPath } if err := p.openIO(); err != nil { return nil, err @@ -100,8 +102,8 @@ func loadProcess() (*processState, error) { return &s, nil } -func loadCheckpoint(bundle, name string) (*checkpoint, error) { - f, err := os.Open(filepath.Join(bundle, "checkpoints", name, "config.json")) +func loadCheckpoint(checkpointPath string) (*checkpoint, error) { + f, err := os.Open(filepath.Join(checkpointPath, "config.json")) if err != nil { return nil, err } @@ -130,7 +132,7 @@ func (p *process) start() error { ) } else if p.checkpoint != nil { args = append(args, "restore", - "--image-path", filepath.Join(p.bundle, "checkpoints", p.checkpoint.Name), + "--image-path", filepath.Join(p.checkpointPath), ) add := func(flags ...string) { args = append(args, flags...) diff --git a/ctr/checkpoint.go b/ctr/checkpoint.go index 622704b..c6e39e9 100644 --- a/ctr/checkpoint.go +++ b/ctr/checkpoint.go @@ -35,6 +35,13 @@ var listCheckpointCommand = cli.Command{ Name: "list", Usage: "list all checkpoints for a container", Action: listCheckpoints, + Flags: []cli.Flag{ + cli.StringFlag{ + Name: "checkpoint-dir", + Value: "", + Usage: "path to checkpoint directory", + }, + }, } func listCheckpoints(context *cli.Context) { @@ -47,6 +54,7 @@ func listCheckpoints(context *cli.Context) { } resp, err := c.ListCheckpoint(netcontext.Background(), &types.ListCheckpointRequest{ Id: id, + CheckpointDir: context.String("checkpoint-dir"), }) if err != nil { fatal(err.Error(), 1) @@ -81,6 +89,11 @@ var createCheckpointCommand = cli.Command{ Name: "shell", Usage: "checkpoint shell jobs", }, + cli.StringFlag{ + Name: "checkpoint-dir", + Value: "", + Usage: "directory to store checkpoints", + }, }, Action: func(context *cli.Context) { var ( @@ -96,6 +109,7 @@ var createCheckpointCommand = cli.Command{ c := getClient(context) if _, err := c.CreateCheckpoint(netcontext.Background(), &types.CreateCheckpointRequest{ Id: containerID, + CheckpointDir: context.String("checkpoint-dir"), Checkpoint: &types.Checkpoint{ Name: name, Exit: context.Bool("exit"), @@ -112,6 +126,13 @@ var createCheckpointCommand = cli.Command{ var deleteCheckpointCommand = cli.Command{ Name: "delete", Usage: "delete a container's checkpoint", + Flags: []cli.Flag{ + cli.StringFlag{ + Name: "checkpoint-dir", + Value: "", + Usage: "path to checkpoint directory", + }, + }, Action: func(context *cli.Context) { var ( containerID = context.Args().Get(0) @@ -125,8 +146,9 @@ var deleteCheckpointCommand = cli.Command{ } c := getClient(context) if _, err := c.DeleteCheckpoint(netcontext.Background(), &types.DeleteCheckpointRequest{ - Id: containerID, - Name: name, + Id: containerID, + Name: name, + CheckpointDir: context.String("checkpoint-dir"), }); err != nil { fatal(err.Error(), 1) } diff --git a/ctr/container.go b/ctr/container.go index 1bbb5b1..4a26886 100644 --- a/ctr/container.go +++ b/ctr/container.go @@ -134,6 +134,11 @@ var startCommand = cli.Command{ Value: "", Usage: "checkpoint to start the container from", }, + cli.StringFlag{ + Name: "checkpoint-dir", + Value: "", + Usage: "path to checkpoint directory", + }, cli.BoolFlag{ Name: "attach,a", Usage: "connect to the stdio of the container", @@ -177,14 +182,15 @@ var startCommand = cli.Command{ tty bool c = getClient(context) r = &types.CreateContainerRequest{ - Id: id, - BundlePath: bpath, - Checkpoint: context.String("checkpoint"), - Stdin: s.stdin, - Stdout: s.stdout, - Stderr: s.stderr, - Labels: context.StringSlice("label"), - NoPivotRoot: context.Bool("no-pivot"), + Id: id, + BundlePath: bpath, + Checkpoint: context.String("checkpoint"), + CheckpointDir: context.String("checkpoint-dir"), + Stdin: s.stdin, + Stdout: s.stdout, + Stderr: s.stderr, + Labels: context.StringSlice("label"), + NoPivotRoot: context.Bool("no-pivot"), } ) restoreAndCloseStdin = func() { diff --git a/runtime/container.go b/runtime/container.go index 4b4f2a2..5e4e1a4 100644 --- a/runtime/container.go +++ b/runtime/container.go @@ -22,7 +22,7 @@ type Container interface { // Path returns the path to the bundle Path() string // Start starts the init process of the container - Start(checkpoint string, s Stdio) (Process, error) + Start(checkpointPath string, s Stdio) (Process, error) // Exec starts another process in an existing container Exec(string, specs.ProcessSpec, Stdio) (Process, error) // Delete removes the container's state and any resources @@ -38,11 +38,11 @@ type Container interface { // RemoveProcess removes the specified process from the container RemoveProcess(string) error // Checkpoints returns all the checkpoints for a container - Checkpoints() ([]Checkpoint, error) + Checkpoints(checkpointDir string) ([]Checkpoint, error) // Checkpoint creates a new checkpoint - Checkpoint(Checkpoint) error + Checkpoint(checkpoint Checkpoint, checkpointDir string) error // DeleteCheckpoint deletes the checkpoint for the provided name - DeleteCheckpoint(name string) error + DeleteCheckpoint(name string, checkpointDir string) error // Labels are user provided labels for the container Labels() []string // Pids returns all pids inside the container @@ -290,8 +290,12 @@ func (c *container) Resume() error { return nil } -func (c *container) Checkpoints() ([]Checkpoint, error) { - dirs, err := ioutil.ReadDir(filepath.Join(c.bundle, "checkpoints")) +func (c *container) Checkpoints(checkpointDir string) ([]Checkpoint, error) { + if checkpointDir == "" { + checkpointDir = filepath.Join(c.bundle, "checkpoints") + } + + dirs, err := ioutil.ReadDir(checkpointDir) if err != nil { return nil, err } @@ -300,7 +304,7 @@ func (c *container) Checkpoints() ([]Checkpoint, error) { if !d.IsDir() { continue } - path := filepath.Join(c.bundle, "checkpoints", d.Name(), "config.json") + path := filepath.Join(checkpointDir, d.Name(), "config.json") data, err := ioutil.ReadFile(path) if err != nil { return nil, err @@ -314,11 +318,16 @@ func (c *container) Checkpoints() ([]Checkpoint, error) { return out, nil } -func (c *container) Checkpoint(cpt Checkpoint) error { - if err := os.MkdirAll(filepath.Join(c.bundle, "checkpoints"), 0755); err != nil { +func (c *container) Checkpoint(cpt Checkpoint, checkpointDir string) error { + if checkpointDir == "" { + checkpointDir = filepath.Join(c.bundle, "checkpoints") + } + + if err := os.MkdirAll(checkpointDir, 0755); err != nil { return err } - path := filepath.Join(c.bundle, "checkpoints", cpt.Name) + + path := filepath.Join(checkpointDir, cpt.Name) if err := os.Mkdir(path, 0755); err != nil { return err } @@ -360,11 +369,14 @@ func (c *container) Checkpoint(cpt Checkpoint) error { return err } -func (c *container) DeleteCheckpoint(name string) error { - return os.RemoveAll(filepath.Join(c.bundle, "checkpoints", name)) +func (c *container) DeleteCheckpoint(name string, checkpointDir string) error { + if checkpointDir == "" { + checkpointDir = filepath.Join(c.bundle, "checkpoints") + } + return os.RemoveAll(filepath.Join(checkpointDir, name)) } -func (c *container) Start(checkpoint string, s Stdio) (Process, error) { +func (c *container) Start(checkpointPath string, s Stdio) (Process, error) { processRoot := filepath.Join(c.root, c.id, InitProcessID) if err := os.Mkdir(processRoot, 0755); err != nil { return nil, err @@ -381,7 +393,7 @@ func (c *container) Start(checkpoint string, s Stdio) (Process, error) { return nil, err } config := &processConfig{ - checkpoint: checkpoint, + checkpoint: checkpointPath, root: processRoot, id: InitProcessID, c: c, diff --git a/supervisor/checkpoint.go b/supervisor/checkpoint.go index 466a35a..fb201f5 100644 --- a/supervisor/checkpoint.go +++ b/supervisor/checkpoint.go @@ -6,8 +6,9 @@ import "github.com/docker/containerd/runtime" type CreateCheckpointTask struct { baseTask - ID string - Checkpoint *runtime.Checkpoint + ID string + CheckpointDir string + Checkpoint *runtime.Checkpoint } func (s *Supervisor) createCheckpoint(t *CreateCheckpointTask) error { @@ -15,13 +16,14 @@ func (s *Supervisor) createCheckpoint(t *CreateCheckpointTask) error { if !ok { return ErrContainerNotFound } - return i.container.Checkpoint(*t.Checkpoint) + return i.container.Checkpoint(*t.Checkpoint, t.CheckpointDir) } type DeleteCheckpointTask struct { baseTask - ID string - Checkpoint *runtime.Checkpoint + ID string + CheckpointDir string + Checkpoint *runtime.Checkpoint } func (s *Supervisor) deleteCheckpoint(t *DeleteCheckpointTask) error { @@ -29,5 +31,5 @@ func (s *Supervisor) deleteCheckpoint(t *DeleteCheckpointTask) error { if !ok { return ErrContainerNotFound } - return i.container.DeleteCheckpoint(t.Checkpoint.Name) + return i.container.DeleteCheckpoint(t.Checkpoint.Name, t.CheckpointDir) } diff --git a/supervisor/create.go b/supervisor/create.go index 4b4319c..12b1cd7 100644 --- a/supervisor/create.go +++ b/supervisor/create.go @@ -1,6 +1,7 @@ package supervisor import ( + "path/filepath" "time" "github.com/docker/containerd/runtime" @@ -17,6 +18,7 @@ type StartTask struct { Labels []string NoPivotRoot bool Checkpoint *runtime.Checkpoint + CheckpointDir string Runtime string RuntimeArgs []string } @@ -56,7 +58,7 @@ func (s *Supervisor) start(t *StartTask) error { Stderr: t.Stderr, } if t.Checkpoint != nil { - task.Checkpoint = t.Checkpoint.Name + task.CheckpointPath = filepath.Join(t.CheckpointDir, t.Checkpoint.Name) } s.startTasks <- task diff --git a/supervisor/worker.go b/supervisor/worker.go index f41818d..a7570b8 100644 --- a/supervisor/worker.go +++ b/supervisor/worker.go @@ -13,13 +13,13 @@ type Worker interface { } type startTask struct { - Container runtime.Container - Checkpoint string - Stdin string - Stdout string - Stderr string - Err chan error - StartResponse chan StartResponse + Container runtime.Container + CheckpointPath string + Stdin string + Stdout string + Stderr string + Err chan error + StartResponse chan StartResponse } func NewWorker(s *Supervisor, wg *sync.WaitGroup) Worker { @@ -38,7 +38,7 @@ func (w *worker) Start() { defer w.wg.Done() for t := range w.s.startTasks { started := time.Now() - process, err := t.Container.Start(t.Checkpoint, runtime.NewStdio(t.Stdin, t.Stdout, t.Stderr)) + process, err := t.Container.Start(t.CheckpointPath, runtime.NewStdio(t.Stdin, t.Stdout, t.Stderr)) if err != nil { logrus.WithFields(logrus.Fields{ "error": err,