api.go

package main

import (
	"libcontainer"
	"os"
)

func startContainer() error {
        config, err := loadConfigFromSomewhere()
        if err != nil {
                return err
        }

        // Create the factory.
        factory, err := libcontainer.New()
        if err != nil {
                return err
        }

        process := &libcontainer.Process{
                Stdin:  os.Stdin,
                Stdout: os.Stdout,
                Stderr: os.Stderr,
                Args: []string{
                        "/bin/bash",
                },
                Env: []string{
                        "TERM=xterm",
                },
        }

        // Create the container.
        container, err := factory.Create(config, process)
        if err != nil {
                return err
        }
        defer container.Destroy()

        // container is now running
        pids, err := container.Processes()
        if err != nil {
                return err
        }

        // run another bash shell
        if err := container.Exec(process); err != nil {
                return err
        }

        // freeze everything
        if err := container.Pause(); err != nil {
                return err
        }

        // resume
        if err := container.Resume(); err != nil {
                return err
        }

        stats, err := container.Stats()
        if err != nil {
                return err
        }
        
        if err := container.ExecFunc(func() error {
        	return syscall.Mknod(...)
    	}); err != nil {
        	return err
    	}

}