package main

import (
  "os"
  "github.com/codegangsta/cli"
)

func main() {
  app := cli.NewApp()
  app.Name = "greet"
  app.Usage = "fight the loneliness!"
  app.Action = func(c *cli.Context) {
    println("Hello friend!")
  }

  app.Run(os.Args)
}

// LinuxFactory implements the default factory interface for linux based systems.
type LinuxFactory struct {
	// Root directory for the factory to store state.
	Root string

	// InitPath is the absolute path to the init binary.
	InitPath string

	// InitArgs are arguments for calling the init responsibilities for spawning
	// a container.
	InitArgs []string

	// CriuPath is the path to the criu binary used for checkpoint and restore of
	// containers.
	CriuPath string

	// Validator provides validation to container configurations.
	Validator validate.Validator

	// NewCgroupsManager returns an initialized cgroups manager for a single container.
	NewCgroupsManager func(config *configs.Cgroup, paths map[string]string) cgroups.Manager
}
// Process specifies the configuration and IO for a process inside a container.
type Process struct {
	// The command to be run followed by any arguments.
	Args []string

	// Env specifies the environment variables for the process.
	Env []string

	// User will set the uid and gid of the executing process running inside the container
	// local to the container's user and group configuration.
	User string

	// Cwd will change the processes current working directory inside the container's rootfs.
	Cwd string

	// Stdin is a pointer to a reader which provides the standard input stream.
	Stdin io.Reader

	// Stdout is a pointer to a writer which receives the standard output stream.
	Stdout io.Writer

	// Stderr is a pointer to a writer which receives the standard error stream.
	Stderr io.Writer

	// ExtraFiles specifies additional open files to be inherited by the container
	ExtraFiles []*os.File

	// consolePath is the path to the console allocated to the container.
	consolePath string

	// Capabilities specify the capabilities to keep when executing the process inside the container
	// All capabilities not specified will be dropped from the processes capability mask
	Capabilities []string

	ops processOperations
}
type linuxContainer struct {
	id            string
	root          string
	config        *configs.Config
	cgroupManager cgroups.Manager
	initPath      string
	initArgs      []string
	initProcess   parentProcess
	criuPath      string
	m             sync.Mutex
	criuVersion   int
	state         containerState
}

type Cmd struct {
        // Path is the path of the command to run.
        Path string

        // Args holds command line arguments, including the command as Args[0].
        Args []string

        // Env specifies the environment of the process.
        Env []string

        // Dir specifies the working directory of the command.
        Dir string

        Stdin io.Reader
        Stdout io.Writer
        Stderr io.Writer

        ExtraFiles []*os.File

        SysProcAttr *syscall.SysProcAttr

        // Process is the underlying process, once started.
        Process *os.Process

        ProcessState *os.ProcessState
}

var initCommand = cli.Command{
	Name:  "init",
	Usage: `initialize the namespaces and launch the process (do not call it outside of runc)`,
	Action: func(context *cli.Context) {
		factory, _ := libcontainer.New("")
		if err := factory.StartInitialization(); err != nil {
			// as the error is sent back to the parent there is no need to log
			// or write it to stderr because the parent process will handle this
			os.Exit(1)
		}
		panic("libcontainer: container init failed to exec")
	},
}

setupNetwork
setupRoute
setupRlimits
setOomScoreAdj
setupRootfs
Sethostname
ApplyProfile
SetProcessLabel
remountReadonly
maskFile