daemon

package
Version: v0.0.0-...-0904200 Latest Latest
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Published: Apr 18, 2017 License: Apache-2.0 Imports: 68 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 (
	DisableNetworkBridge = "none"
)

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"}
)
View Source
var (
	ErrDockerfileEmpty = errors.New("Dockerfile cannot be empty")
)

Functions

func GetDefaultNetworkMtu

func GetDefaultNetworkMtu() int

func GetFullContainerName

func GetFullContainerName(name string) (string, error)

Types

type BuildFile

type BuildFile interface {
	Build(io.Reader) (string, error)
	CmdFrom(string) error
	CmdRun(string) error
}

func NewBuildFile

func NewBuildFile(d *Daemon, eng *engine.Engine, outStream, errStream io.Writer, verbose, utilizeCache, rm bool, forceRm bool, outOld io.Writer, sf *utils.StreamFormatter, auth *registry.AuthConfig, authConfigFile *registry.ConfigFile) BuildFile

type Config

type Config struct {
	Pidfile                     string
	Root                        string
	AutoRestart                 bool
	Dns                         []string
	DnsSearch                   []string
	EnableIptables              bool
	EnableIpForward             bool
	DefaultIp                   net.IP
	BridgeIface                 string
	BridgeIP                    string
	InterContainerCommunication bool
	GraphDriver                 string
	GraphOptions                []string
	ExecDriver                  string
	Mtu                         int
	DisableNetwork              bool
	EnableSelinuxSupport        bool
	Context                     map[string][]string
}

Config define the configuration of a docker daemon These are the configuration settings that you pass to the docker daemon when you launch it with say: `docker -d -e lxc` FIXME: separate runtime configuration from http api configuration

func (*Config) InstallFlags

func (config *Config) InstallFlags()

InstallFlags adds command-line options to the top-level flag parser for the current process. Subsequent calls to `flag.Parse` will populate config with values parsed from the command-line.

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
	RestartCount             int

	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) LogEvent

func (container *Container) LogEvent(action string)

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) WriteHostConfig

func (container *Container) WriteHostConfig() error

type Daemon

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

func NewDaemon

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

FIXME: harmonize with NewGraph()

func NewDaemonFromDirectory

func NewDaemonFromDirectory(config *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

FIXME: this should be private, and every outside subsystem should go through the "container_attach" job. But that would require that job to be properly documented, as well as the relationship betweem Attach and ContainerAttach.

This method is in use by builder/builder.go.

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) CmdBuild

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

func (*Daemon) CmdInfo

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

func (*Daemon) Commit

func (daemon *Daemon) Commit(container *Container, repository, tag, comment, author string, pause bool, 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() *Config

func (*Daemon) ContainerAttach

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

func (*Daemon) ContainerChanges

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

func (*Daemon) ContainerCommit

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

func (*Daemon) ContainerCopy

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

func (*Daemon) ContainerCreate

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

func (*Daemon) ContainerDestroy

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

FIXME: rename to ContainerRemove for consistency with the CLI command.

func (*Daemon) ContainerExport

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

func (*Daemon) ContainerGraph

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

func (*Daemon) ContainerInspect

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

func (*Daemon) ContainerKill

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

ContainerKill send signal to the container If no signal is given (sig 0), then Kill with SIGKILL and wait for the container to exit. If a signal is given, then just send it to the container and return.

func (*Daemon) ContainerLogs

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

func (*Daemon) ContainerPause

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

func (*Daemon) ContainerResize

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

func (*Daemon) ContainerRestart

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

func (*Daemon) ContainerStart

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

func (*Daemon) ContainerStop

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

func (*Daemon) ContainerTop

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

func (*Daemon) ContainerUnpause

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

func (*Daemon) ContainerWait

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

func (*Daemon) Containers

func (daemon *Daemon) Containers(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) DeleteImage

func (daemon *Daemon) DeleteImage(eng *engine.Engine, name string, imgs *engine.Table, first, force, noprune bool) error

FIXME: make this private and use the job instead

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. FIXME: rename to Rm for consistency with the CLI command

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) ImageDelete

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

func (*Daemon) ImageGetCached

func (daemon *Daemon) ImageGetCached(imgID string, config *runconfig.Config) (*image.Image, error)

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 *broadcastwriter.BroadcastWriter, 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! FIXME: this is deprecated, and only used in legacy tests. Please remove.

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) 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 State

type State struct {
	sync.RWMutex
	Running    bool
	Paused     bool
	Restarting bool
	Pid        int
	ExitCode   int
	StartedAt  time.Time
	FinishedAt time.Time
	// contains filtered or unexported fields
}

func NewState

func NewState() *State

func (*State) GetExitCode

func (s *State) GetExitCode() int

func (*State) GetPid

func (s *State) GetPid() int

func (*State) IsPaused

func (s *State) IsPaused() bool

func (*State) IsRestarting

func (s *State) IsRestarting() bool

func (*State) IsRunning

func (s *State) IsRunning() bool

func (*State) MarshalJSON

func (s *State) MarshalJSON() ([]byte, error)

MarshalJSON for state is needed to avoid race conditions on inspect

func (*State) SetPaused

func (s *State) SetPaused()

func (*State) SetRestarting

func (s *State) SetRestarting(exitCode int)

SetRestarting is when docker hanldes the auto restart of containers when they are in the middle of a stop and being restarted again

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

func (*State) WaitRunning

func (s *State) WaitRunning(timeout time.Duration) (int, error)

WaitRunning waits until state is running. If state already running it returns immediatly. If you want wait forever you must supply negative timeout. Returns pid, that was passed to SetRunning

func (*State) WaitStop

func (s *State) WaitStop(timeout time.Duration) (int, error)

WaitStop waits until state is stopped. If state already stopped it returns immediatly. If you want wait forever you must supply negative timeout. Returns exit code, that was passed to SetStopped

type Volume

type Volume struct {
	HostPath string
	VolPath  string
	Mode     string
	// contains filtered or unexported fields
}

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