daemon

package
v1.0.2-0...-425ab3d Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Jun 27, 2014 License: Apache-2.0 Imports: 46 Imported by: 0

README

This directory contains code pertaining to running containers and storing images

Code pertaining to running containers:

  • execdriver
  • networkdriver

Code pertaining to storing images:

  • graphdriver

Documentation

Index

Constants

View Source 
const DefaultPathEnv = "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
View Source 
const MaxImageDepth = 127

Set the max depth to the aufs default that most kernels are compiled with For more information see: http://sourceforge.net/p/aufs/aufs3-standalone/ci/aufs3.12/tree/config.mk

Variables

View Source 
var (
	ErrNotATTY               = errors.New("The PTY is not a file")
	ErrNoTTY                 = errors.New("No PTY found")
	ErrContainerStart        = errors.New("The container failed to start. Unknown error")
	ErrContainerStartTimeout = errors.New("The container failed to start due to timed out.")
)
View Source 
var (
	DefaultDns = []string{"8.8.8.8", "8.8.4.4"}
)

Functions

func GetFullContainerName 

func GetFullContainerName(name string) (string, error)

Types

type BindMap 

type BindMap struct {
	SrcPath string
	DstPath string
	Mode    string
}

type Container 

type Container struct {
	sync.Mutex

	ID string

	Created time.Time

	Path string
	Args []string

	Config *runconfig.Config
	State  State
	Image  string

	NetworkSettings *NetworkSettings

	ResolvConfPath string
	HostnamePath   string
	HostsPath      string
	Name           string
	Driver         string
	ExecDriver     string

	MountLabel, ProcessLabel string

	Volumes map[string]string
	// Store rw/ro in a separate structure to preserve reverse-compatibility on-disk.
	// Easier than migrating older container configs :)
	VolumesRW map[string]bool
	// contains filtered or unexported fields
}

func (*Container) Changes 

func (container *Container) Changes() ([]archive.Change, error)

func (*Container) Copy 

func (container *Container) Copy(resource string) (io.ReadCloser, error)
func (container *Container) DisableLink(name string)

func (*Container) Export 

func (container *Container) Export() (archive.Archive, error)

func (*Container) ExportRw 

func (container *Container) ExportRw() (archive.Archive, error)

func (*Container) Exposes 

func (container *Container) Exposes(p nat.Port) bool

Returns true if the container exposes a certain port

func (*Container) FromDisk 

func (container *Container) FromDisk() error

func (*Container) GetImage 

func (container *Container) GetImage() (*image.Image, error)

func (*Container) GetMountLabel 

func (container *Container) GetMountLabel() string

func (*Container) GetProcessLabel 

func (container *Container) GetProcessLabel() string

func (*Container) GetPtyMaster 

func (container *Container) GetPtyMaster() (*os.File, error)

func (*Container) GetSize 

func (container *Container) GetSize() (int64, int64)

GetSize, return real size, virtual size

func (*Container) HostConfig 

func (container *Container) HostConfig() *runconfig.HostConfig

func (*Container) Kill 

func (container *Container) Kill() error

func (*Container) KillSig 

func (container *Container) KillSig(sig int) error

func (*Container) Mount 

func (container *Container) Mount() error

func (*Container) Output 

func (container *Container) Output() (output []byte, err error)

func (*Container) Pause 

func (container *Container) Pause() error

func (*Container) ReadLog 

func (container *Container) ReadLog(name string) (io.Reader, error)

func (*Container) Resize 

func (container *Container) Resize(h, w int) error

func (*Container) Restart 

func (container *Container) Restart(seconds int) error

func (*Container) RootfsPath 

func (container *Container) RootfsPath() string

This method must be exported to be used from the lxc template This directory is only usable when the container is running

func (*Container) Run 

func (container *Container) Run() error

func (*Container) SetHostConfig 

func (container *Container) SetHostConfig(hostConfig *runconfig.HostConfig)

func (*Container) Start 

func (container *Container) Start() (err error)

func (*Container) StderrLogPipe 

func (container *Container) StderrLogPipe() io.ReadCloser

func (*Container) StderrPipe 

func (container *Container) StderrPipe() (io.ReadCloser, error)

func (*Container) StdinPipe 

func (container *Container) StdinPipe() (io.WriteCloser, error)

func (*Container) StdoutLogPipe 

func (container *Container) StdoutLogPipe() io.ReadCloser

func (*Container) StdoutPipe 

func (container *Container) StdoutPipe() (io.ReadCloser, error)

func (*Container) Stop 

func (container *Container) Stop(seconds int) error

func (*Container) ToDisk 

func (container *Container) ToDisk() error

func (*Container) Unmount 

func (container *Container) Unmount() error

func (*Container) Unpause 

func (container *Container) Unpause() error

func (*Container) Wait 

func (container *Container) Wait() int

Wait blocks until the container stops running, then returns its exit code.

func (*Container) WaitTimeout 

func (container *Container) WaitTimeout(timeout time.Duration) error

func (*Container) WriteHostConfig 

func (container *Container) WriteHostConfig() error

type Daemon 

type Daemon struct {
	Sockets []string
	// contains filtered or unexported fields
}

func NewDaemon 

func NewDaemon(config *daemonconfig.Config, eng *engine.Engine) (*Daemon, error)

FIXME: harmonize with NewGraph()

func NewDaemonFromDirectory 

func NewDaemonFromDirectory(config *daemonconfig.Config, eng *engine.Engine) (*Daemon, error)

func (*Daemon) Attach 

func (daemon *Daemon) Attach(container *Container, stdin io.ReadCloser, stdinCloser io.Closer, stdout io.Writer, stderr io.Writer) chan error

func (*Daemon) Changes 

func (daemon *Daemon) Changes(container *Container) ([]archive.Change, error)

func (*Daemon) Children 

func (daemon *Daemon) Children(name string) (map[string]*Container, error)

func (*Daemon) Close 

func (daemon *Daemon) Close() error

func (*Daemon) Commit 

func (daemon *Daemon) Commit(container *Container, repository, tag, comment, author string, config *runconfig.Config) (*image.Image, error)

Commit creates a new filesystem image from the current state of a container. The image can optionally be tagged into a repository

func (*Daemon) Config 

func (daemon *Daemon) Config() *daemonconfig.Config

func (*Daemon) ContainerGraph 

func (daemon *Daemon) ContainerGraph() *graphdb.Database

func (*Daemon) ContainerInspect 

func (daemon *Daemon) ContainerInspect(job *engine.Job) engine.Status

func (*Daemon) Create 

func (daemon *Daemon) Create(config *runconfig.Config, name string) (*Container, []string, error)

Create creates a new container from the given configuration with a given name.

func (*Daemon) Destroy 

func (daemon *Daemon) Destroy(container *Container) error

Destroy unregisters a container from the daemon and cleanly removes its contents from the filesystem.

func (*Daemon) Diff 

func (daemon *Daemon) Diff(container *Container) (archive.Archive, error)

func (*Daemon) ExecutionDriver 

func (daemon *Daemon) ExecutionDriver() execdriver.Driver

func (*Daemon) Exists 

func (daemon *Daemon) Exists(id string) bool

Exists returns a true if a container of the specified ID or name exists, false otherwise.

func (*Daemon) Get 

func (daemon *Daemon) Get(name string) *Container

Get looks for a container by the specified ID or name, and returns it. If the container is not found, or if an error occurs, nil is returned.

func (*Daemon) GetByName 

func (daemon *Daemon) GetByName(name string) (*Container, error)

func (*Daemon) Graph 

func (daemon *Daemon) Graph() *graph.Graph

FIXME: this is a convenience function for integration tests which need direct access to daemon.graph. Once the tests switch to using engine and jobs, this method can go away.

func (*Daemon) GraphDriver 

func (daemon *Daemon) GraphDriver() graphdriver.Driver

func (*Daemon) Install 

func (daemon *Daemon) Install(eng *engine.Engine) error

Install installs daemon capabilities to eng.

func (*Daemon) Kill 

func (daemon *Daemon) Kill(c *Container, sig int) error

func (*Daemon) List 

func (daemon *Daemon) List() []*Container

List returns an array of all containers registered in the daemon.

func (*Daemon) LogToDisk 

func (daemon *Daemon) LogToDisk(src *utils.WriteBroadcaster, dst, stream string) error

func (*Daemon) Mount 

func (daemon *Daemon) Mount(container *Container) error

func (*Daemon) Nuke 

func (daemon *Daemon) Nuke() error

Nuke kills all containers then removes all content from the content root, including images, volumes and container filesystems. Again: this will remove your entire docker daemon!

func (*Daemon) Pause 

func (daemon *Daemon) Pause(c *Container) error

func (*Daemon) Register 

func (daemon *Daemon) Register(container *Container) error

Register makes a container object usable by the daemon as <container.ID> This is a wrapper for register 

func (daemon *Daemon) RegisterLink(parent, child *Container, alias string) error
func (daemon *Daemon) RegisterLinks(container *Container, hostConfig *runconfig.HostConfig) error

func (*Daemon) Repositories 

func (daemon *Daemon) Repositories() *graph.TagStore

func (*Daemon) Run 

func (daemon *Daemon) Run(c *Container, pipes *execdriver.Pipes, startCallback execdriver.StartCallback) (int, error)

func (*Daemon) SetServer 

func (daemon *Daemon) SetServer(server Server)

func (*Daemon) SystemConfig 

func (daemon *Daemon) SystemConfig() *sysinfo.SysInfo

func (*Daemon) SystemInitPath 

func (daemon *Daemon) SystemInitPath() string

func (*Daemon) Unmount 

func (daemon *Daemon) Unmount(container *Container) error

func (*Daemon) Unpause 

func (daemon *Daemon) Unpause(c *Container) error

func (*Daemon) Volumes 

func (daemon *Daemon) Volumes() *graph.Graph

type History 

type History []*Container

History is a convenience type for storing a list of containers, ordered by creation date.

func (*History) Add 

func (history *History) Add(container *Container)

func (*History) Len 

func (history *History) Len() int

func (*History) Less 

func (history *History) Less(i, j int) bool

func (*History) Sort 

func (history *History) Sort()

func (*History) Swap 

func (history *History) Swap(i, j int)

type NetworkSettings 

type NetworkSettings struct {
	IPAddress   string
	IPPrefixLen int
	Gateway     string
	Bridge      string
	PortMapping map[string]PortMapping // Deprecated
	Ports       nat.PortMap
}

func (*NetworkSettings) PortMappingAPI 

func (settings *NetworkSettings) PortMappingAPI() *engine.Table

type PortMapping 

type PortMapping map[string]string // Deprecated

FIXME: move deprecated port stuff to nat to clean up the core.

type Server 

type Server interface {
	LogEvent(action, id, from string) *utils.JSONMessage
	IsRunning() bool // returns true if the server is currently in operation
}

type State 

type State struct {
	sync.RWMutex
	Running    bool
	Paused     bool
	Pid        int
	ExitCode   int
	StartedAt  time.Time
	FinishedAt time.Time
}

func (*State) GetExitCode 

func (s *State) GetExitCode() int

func (*State) IsPaused 

func (s *State) IsPaused() bool

func (*State) IsRunning 

func (s *State) IsRunning() bool

func (*State) SetPaused 

func (s *State) SetPaused()

func (*State) SetRunning 

func (s *State) SetRunning(pid int)

func (*State) SetStopped 

func (s *State) SetStopped(exitCode int)

func (*State) SetUnpaused 

func (s *State) SetUnpaused()

func (*State) String 

func (s *State) String() string

String returns a human-readable description of the state

Source Files

View all Source files

Directories

Path Synopsis
execdrivers
lxc
native
These types are wrappers around the libcontainer Terminal interface so that we can resuse the docker implementations where possible.
 These types are wrappers around the libcontainer Terminal interface so that we can resuse the docker implementations where possible.
native/configuration
native/template
aufs
btrfs
devmapper
graphtest
vfs
bridge
ipallocator
portallocator
portmapper

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