package namespaces

import "github.com/docker/libcontainer/namespaces"

Index ¶

• Variables
• func Exec(container *libcontainer.Config, term Terminal, rootfs, dataPath string, args []string, createCommand CreateCommand, startCallback func()) (int, error)
• func GetNamespaceFlags(namespaces map[string]bool) (flag int)
• func Init(container *libcontainer.Config, uncleanRootfs, consolePath string, syncPipe *SyncPipe, args []string) error
• func InitializeNetworking(container *libcontainer.Config, nspid int, pipe *SyncPipe) error
• func SetupCgroups(container *libcontainer.Config, nspid int) (cgroups.ActiveCgroup, error)
• type CreateCommand
• type Namespace
• func GetNamespace(key string) *Namespace
• func (ns *Namespace) String() string
• type Namespaces
• func (n Namespaces) Contains(ns string) bool
• func (n Namespaces) Get(ns string) *Namespace
• type StdTerminal
• func (s *StdTerminal) Attach(command *exec.Cmd) error
• func (s *StdTerminal) Close() error
• func (s *StdTerminal) Resize(h, w int) error
• func (s *StdTerminal) SetMaster(*os.File)
• type SyncPipe
• func NewSyncPipeFromFd(parentFd, childFd uintptr) (*SyncPipe, error)
• func (s *SyncPipe) Child() *os.File
• func (s *SyncPipe) Close() error
• func (s *SyncPipe) CloseChild()
• func (s *SyncPipe) Parent() *os.File
• func (s *SyncPipe) ReadFromChild() error
• func (s *SyncPipe) ReadFromParent() (*network.NetworkState, error)
• func (s *SyncPipe) ReportChildError(err error)
• func (s *SyncPipe) SendToChild(networkState *network.NetworkState) error
• type Terminal
• func NewTerminal(stdin io.Reader, stdout, stderr io.Writer, tty bool) Terminal
• type TtyTerminal
• func (t *TtyTerminal) Attach(command *exec.Cmd) error
• func (t *TtyTerminal) Close() error
• func (t *TtyTerminal) Resize(h, w int) error
• func (t *TtyTerminal) SetMaster(master *os.File)

Variables ¶

var (
	ErrUnkownNamespace = errors.New("Unknown namespace")
	ErrUnsupported     = errors.New("Unsupported method")
)

namespaceList is used to convert the libcontainer types into the names of the files located in /proc/<pid>/ns/* for each namespace

Functions ¶

func Exec ¶

func Exec(container *libcontainer.Config, term Terminal, rootfs, dataPath string, args []string, createCommand CreateCommand, startCallback func()) (int, error)

func GetNamespaceFlags ¶

func GetNamespaceFlags(namespaces map[string]bool) (flag int)

func Init ¶

func Init(container *libcontainer.Config, uncleanRootfs, consolePath string, syncPipe *SyncPipe, args []string) error

func InitializeNetworking ¶

func InitializeNetworking(container *libcontainer.Config, nspid int, pipe *SyncPipe) error

func SetupCgroups ¶

func SetupCgroups(container *libcontainer.Config, nspid int) (cgroups.ActiveCgroup, error)

Types ¶

type CreateCommand ¶

type CreateCommand func(container *libcontainer.Config, console, rootfs, dataPath, init string, childPipe *os.File, args []string) *exec.Cmd

type Namespace ¶

type Namespace struct {
	Key   string `json:"key,omitempty"`
	Value int    `json:"value,omitempty"`
	File  string `json:"file,omitempty"`
}

func GetNamespace ¶

func GetNamespace(key string) *Namespace

func (*Namespace) String ¶

func (ns *Namespace) String() string

type Namespaces ¶

type Namespaces []*Namespace

func (Namespaces) Contains ¶

func (n Namespaces) Contains(ns string) bool

Contains returns true if the specified Namespace is in the slice

func (Namespaces) Get ¶

func (n Namespaces) Get(ns string) *Namespace

type StdTerminal ¶

type StdTerminal struct {
	// contains filtered or unexported fields
}

func (*StdTerminal) Attach ¶

func (s *StdTerminal) Attach(command *exec.Cmd) error

func (*StdTerminal) Close ¶

func (s *StdTerminal) Close() error

func (*StdTerminal) Resize ¶

func (s *StdTerminal) Resize(h, w int) error

func (*StdTerminal) SetMaster ¶

func (s *StdTerminal) SetMaster(*os.File)

type SyncPipe ¶

type SyncPipe struct {
	// contains filtered or unexported fields
}

SyncPipe allows communication to and from the child processes to it's parent and allows the two independent processes to syncronize their state.

func NewSyncPipeFromFd ¶

func NewSyncPipeFromFd(parentFd, childFd uintptr) (*SyncPipe, error)

func (*SyncPipe) Child ¶

func (s *SyncPipe) Child() *os.File

func (*SyncPipe) Close ¶

func (s *SyncPipe) Close() error

func (*SyncPipe) CloseChild ¶

func (s *SyncPipe) CloseChild()

func (*SyncPipe) Parent ¶

func (s *SyncPipe) Parent() *os.File

func (*SyncPipe) ReadFromChild ¶

func (s *SyncPipe) ReadFromChild() error

func (*SyncPipe) ReadFromParent ¶

func (s *SyncPipe) ReadFromParent() (*network.NetworkState, error)

func (*SyncPipe) ReportChildError ¶

func (s *SyncPipe) ReportChildError(err error)

func (*SyncPipe) SendToChild ¶

func (s *SyncPipe) SendToChild(networkState *network.NetworkState) error

type Terminal ¶

type Terminal interface {
	io.Closer
	SetMaster(*os.File)
	Attach(*exec.Cmd) error
	Resize(h, w int) error
}

func NewTerminal ¶

func NewTerminal(stdin io.Reader, stdout, stderr io.Writer, tty bool) Terminal

type TtyTerminal ¶

type TtyTerminal struct {
	// contains filtered or unexported fields
}

func (*TtyTerminal) Attach ¶

func (t *TtyTerminal) Attach(command *exec.Cmd) error

func (*TtyTerminal) Close ¶

func (t *TtyTerminal) Close() error

func (*TtyTerminal) Resize ¶

func (t *TtyTerminal) Resize(h, w int) error

func (*TtyTerminal) SetMaster ¶

func (t *TtyTerminal) SetMaster(master *os.File)

Source Files ¶

create.go std_term.go sync_pipe.go term.go tty_term.go types.go unsupported.go