iface

type CommandRunner interface {
	Run(name string, args ...string) error
	RunWithStdin(stdin string, name string, args ...string) error
	RunShell(command string) error
	RunWithEnv(env []string, name string, args ...string) error
}

type File interface {
	io.ReadWriteCloser
	Name() string
}

type FileSystem interface {
	WriteFile(name string, data []byte, perm os.FileMode) error
	ReadFile(name string) ([]byte, error)
	MkdirAll(path string, perm os.FileMode) error
	Stat(name string) (os.FileInfo, error)
	Open(name string) (File, error)
	Create(name string) (File, error)
	CreateTemp(dir, pattern string) (File, error)
	Chown(name string, uid, gid int) error
	Chmod(name string, mode os.FileMode) error
	Rename(oldpath, newpath string) error
	Remove(name string) error
	Hostname() (string, error)
}

type HostnameSetter interface {
	SetHostname(name string) error
}

type LoopAttacher interface {
	Attach(backingFile string, offset uint64, readOnly bool) (LoopDevice, error)
}

type LoopDevice interface {
	Path() string
	Detach() error
	SetAutoclear() error
}

type ModuleLoader interface {
	LoadedModules() (map[string]bool, error)
	LoadModule(name string, params string) error
}

type Mounter interface {
	Mount(device, target, mType, options string) error
	ForceMount(device, target, mType, options string) error
	Mounted(target string) (bool, error)
}

type SysctlApplier interface {
	Set(key string, value string) error
}