package extension

import "gvisor.dev/gvisor/pkg/shim/v1/extension"

Package extension provides an extension to the shim.

Index ¶

• Variables
• type Process
• type RestoreConfig
• type RestoreRequest
• type TaskServiceExt

Variables ¶

var NewExtension func(ctx context.Context, next TaskServiceExt, req *task.CreateTaskRequest) (TaskServiceExt, error)

NewExtension registers an extension constructor. It may return nil, nil to indicate that the extension should not handle this task request. Returning an error will fail the task request.

Types ¶

type Process ¶

type Process interface {
	process.Process
	// Restore restores the container from a snapshot.
	Restore(context.Context, *RestoreConfig) error
}

Process extends process.Process with extra restore functionality.

type RestoreConfig ¶

type RestoreConfig struct {
	ImagePath  string
	Direct     bool
	Background bool
}

RestoreConfig is the configuration for a restore request.

type RestoreRequest ¶

type RestoreRequest struct {
	Start task.StartRequest
	Conf  RestoreConfig
}

RestoreRequest is a request to restore a container. It extends task.StartRequest with restore functionality.

type TaskServiceExt ¶

type TaskServiceExt interface {
	task.TaskService
	Cleanup(ctx context.Context) (*task.DeleteResponse, error)
	Restore(ctx context.Context, req *RestoreRequest) (*task.StartResponse, error)
}

TaskServiceExt extends TaskRequest with extra functionality required by the shim.

Source Files ¶

extension.go