docker

package
v0.3.1 Latest Latest
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 Go to latest Published: Feb 15, 2015 License: BSD-2-Clause, Apache-2.0 Imports: 26 Imported by: 0

README

#go-dockerclient

Build Status Build Status

GoDoc

This package presents a client for the Docker remote API.

For more details, check the remote API documentation.

Example

package main

import (
        "fmt"
        "github.com/fsouza/go-dockerclient"
)

func main() {
        endpoint := "unix:///var/run/docker.sock"
        client, _ := docker.NewClient(endpoint)
        imgs, _ := client.ListImages(docker.ListImagesOptions{All: false})
        for _, img := range imgs {
                fmt.Println("ID: ", img.ID)
                fmt.Println("RepoTags: ", img.RepoTags)
                fmt.Println("Created: ", img.Created)
                fmt.Println("Size: ", img.Size)
                fmt.Println("VirtualSize: ", img.VirtualSize)
                fmt.Println("ParentId: ", img.ParentID)
        }
}

Developing

You can run the tests with:

go get -d ./...
go test ./...

Documentation

Overview

Package docker provides a client for the Docker remote API.

See http://goo.gl/G3plxW for more details on the remote API.

Index

Examples

Constants

View Source 
const (
	SIGABRT   = Signal(0x6)
	SIGALRM   = Signal(0xe)
	SIGBUS    = Signal(0x7)
	SIGCHLD   = Signal(0x11)
	SIGCLD    = Signal(0x11)
	SIGCONT   = Signal(0x12)
	SIGFPE    = Signal(0x8)
	SIGHUP    = Signal(0x1)
	SIGILL    = Signal(0x4)
	SIGINT    = Signal(0x2)
	SIGIO     = Signal(0x1d)
	SIGIOT    = Signal(0x6)
	SIGKILL   = Signal(0x9)
	SIGPIPE   = Signal(0xd)
	SIGPOLL   = Signal(0x1d)
	SIGPROF   = Signal(0x1b)
	SIGPWR    = Signal(0x1e)
	SIGQUIT   = Signal(0x3)
	SIGSEGV   = Signal(0xb)
	SIGSTKFLT = Signal(0x10)
	SIGSTOP   = Signal(0x13)
	SIGSYS    = Signal(0x1f)
	SIGTERM   = Signal(0xf)
	SIGTRAP   = Signal(0x5)
	SIGTSTP   = Signal(0x14)
	SIGTTIN   = Signal(0x15)
	SIGTTOU   = Signal(0x16)
	SIGUNUSED = Signal(0x1f)
	SIGURG    = Signal(0x17)
	SIGUSR1   = Signal(0xa)
	SIGUSR2   = Signal(0xc)
	SIGVTALRM = Signal(0x1a)
	SIGWINCH  = Signal(0x1c)
	SIGXCPU   = Signal(0x18)
	SIGXFSZ   = Signal(0x19)
)

These values represent all signals available on Linux, where containers will be running.

Variables

View Source 
var (
	// ErrInvalidEndpoint is returned when the endpoint is not a valid HTTP URL.
	ErrInvalidEndpoint = errors.New("invalid endpoint")

	// ErrConnectionRefused is returned when the client cannot connect to the given endpoint.
	ErrConnectionRefused = errors.New("cannot connect to Docker endpoint")
)
View Source 
var (
	// ErrNoListeners is the error returned when no listeners are available
	// to receive an event.
	ErrNoListeners = errors.New("no listeners present to receive event")

	// ErrListenerAlreadyExists is the error returned when the listerner already
	// exists.
	ErrListenerAlreadyExists = errors.New("listener already exists for docker events")

	// EOFEvent is sent when the event listener receives an EOF error.
	EOFEvent = &APIEvents{
		Status: "EOF",
	}
)
View Source 
var (
	// ErrNoSuchImage is the error returned when the image does not exist.
	ErrNoSuchImage = errors.New("no such image")

	// ErrMissingRepo is the error returned when the remote repository is
	// missing.
	ErrMissingRepo = errors.New("missing remote repository e.g. 'github.com/user/repo'")

	// ErrMissingOutputStream is the error returned when no output stream
	// is provided to some calls, like BuildImage.
	ErrMissingOutputStream = errors.New("missing output stream")

	// ErrMultipleContexts is the error returned when both a ContextDir and
	// InputStream are provided in BuildImageOptions
	ErrMultipleContexts = errors.New("image build may not be provided BOTH context dir and input stream")
)

Functions

func ParseRepositoryTag 

func ParseRepositoryTag(repoTag string) (repository string, tag string)

ParseRepositoryTag gets the name of the repository and returns it splitted in two parts: the repository and the tag.

Some examples: 

localhost.localdomain:5000/samalba/hipache:latest -> localhost.localdomain:5000/samalba/hipache, latest
localhost.localdomain:5000/samalba/hipache -> localhost.localdomain:5000/samalba/hipache, ""

Types

type APIContainers 

type APIContainers struct {
	ID         string    `json:"Id" yaml:"Id"`
	Image      string    `json:"Image,omitempty" yaml:"Image,omitempty"`
	Command    string    `json:"Command,omitempty" yaml:"Command,omitempty"`
	Created    int64     `json:"Created,omitempty" yaml:"Created,omitempty"`
	Status     string    `json:"Status,omitempty" yaml:"Status,omitempty"`
	Ports      []APIPort `json:"Ports,omitempty" yaml:"Ports,omitempty"`
	SizeRw     int64     `json:"SizeRw,omitempty" yaml:"SizeRw,omitempty"`
	SizeRootFs int64     `json:"SizeRootFs,omitempty" yaml:"SizeRootFs,omitempty"`
	Names      []string  `json:"Names,omitempty" yaml:"Names,omitempty"`
}

APIContainers represents a container.

See http://goo.gl/QeFH7U for more details.

type APIEvents 

type APIEvents struct {
	Status string `json:"Status,omitempty" yaml:"Status,omitempty"`
	ID     string `json:"ID,omitempty" yaml:"ID,omitempty"`
	From   string `json:"From,omitempty" yaml:"From,omitempty"`
	Time   int64  `json:"Time,omitempty" yaml:"Time,omitempty"`
}

APIEvents represents an event returned by the API.

type APIImageSearch 

type APIImageSearch struct {
	Description string `json:"description,omitempty" yaml:"description,omitempty"`
	IsOfficial  bool   `json:"is_official,omitempty" yaml:"is_official,omitempty"`
	IsAutomated bool   `json:"is_automated,omitempty" yaml:"is_automated,omitempty"`
	Name        string `json:"name,omitempty" yaml:"name,omitempty"`
	StarCount   int    `json:"star_count,omitempty" yaml:"star_count,omitempty"`
}

APIImageSearch reflect the result of a search on the dockerHub

See http://goo.gl/xI5lLZ for more details.

type APIImages 

type APIImages struct {
	ID          string   `json:"Id" yaml:"Id"`
	RepoTags    []string `json:"RepoTags,omitempty" yaml:"RepoTags,omitempty"`
	Created     int64    `json:"Created,omitempty" yaml:"Created,omitempty"`
	Size        int64    `json:"Size,omitempty" yaml:"Size,omitempty"`
	VirtualSize int64    `json:"VirtualSize,omitempty" yaml:"VirtualSize,omitempty"`
	ParentID    string   `json:"ParentId,omitempty" yaml:"ParentId,omitempty"`
}

APIImages represent an image returned in the ListImages call.

type APIPort 

type APIPort struct {
	PrivatePort int64  `json:"PrivatePort,omitempty" yaml:"PrivatePort,omitempty"`
	PublicPort  int64  `json:"PublicPort,omitempty" yaml:"PublicPort,omitempty"`
	Type        string `json:"Type,omitempty" yaml:"Type,omitempty"`
	IP          string `json:"IP,omitempty" yaml:"IP,omitempty"`
}

APIPort is a type that represents a port mapping returned by the Docker API

type APIVersion added in v0.2.1 

type APIVersion []int

APIVersion is an internal representation of a version of the Remote API.

func NewAPIVersion added in v0.2.1 

func NewAPIVersion(input string) (APIVersion, error)

NewAPIVersion returns an instance of APIVersion for the given string.

The given string must be in the form <major>.<minor>.<patch>, where <major>, <minor> and <patch> are integer numbers.

func (APIVersion) GreaterThan added in v0.2.1 

func (version APIVersion) GreaterThan(other APIVersion) bool

GreaterThan is a function for comparing APIVersion structs

func (APIVersion) GreaterThanOrEqualTo added in v0.2.1 

func (version APIVersion) GreaterThanOrEqualTo(other APIVersion) bool

GreaterThanOrEqualTo is a function for comparing APIVersion structs

func (APIVersion) LessThan added in v0.2.1 

func (version APIVersion) LessThan(other APIVersion) bool

LessThan is a function for comparing APIVersion structs

func (APIVersion) LessThanOrEqualTo added in v0.2.1 

func (version APIVersion) LessThanOrEqualTo(other APIVersion) bool

LessThanOrEqualTo is a function for comparing APIVersion structs

func (APIVersion) String added in v0.2.1 

func (version APIVersion) String() string

type AttachToContainerOptions 

type AttachToContainerOptions struct {
	Container    string    `qs:"-"`
	InputStream  io.Reader `qs:"-"`
	OutputStream io.Writer `qs:"-"`
	ErrorStream  io.Writer `qs:"-"`

	// Get container logs, sending it to OutputStream.
	Logs bool

	// Stream the response?
	Stream bool

	// Attach to stdin, and use InputStream.
	Stdin bool

	// Attach to stdout, and use OutputStream.
	Stdout bool

	// Attach to stderr, and use ErrorStream.
	Stderr bool

	// If set, after a successful connect, a sentinel will be sent and then the
	// client will block on receive before continuing.
	//
	// It must be an unbuffered channel. Using a buffered channel can lead
	// to unexpected behavior.
	Success chan struct{}

	// Use raw terminal? Usually true when the container contains a TTY.
	RawTerminal bool `qs:"-"`
}

AttachToContainerOptions is the set of options that can be used when attaching to a container.

See http://goo.gl/RRAhws for more details.

type AuthConfiguration 

type AuthConfiguration struct {
	Username      string `json:"username,omitempty"`
	Password      string `json:"password,omitempty"`
	Email         string `json:"email,omitempty"`
	ServerAddress string `json:"serveraddress,omitempty"`
}

AuthConfiguration represents authentication options to use in the PushImage method. It represents the authentication in the Docker index server.

type AuthConfigurations added in v0.2.1 

type AuthConfigurations struct {
	Configs map[string]AuthConfiguration `json:"configs"`
}

AuthConfigurations represents authentication options to use for the PushImage method accommodating the new X-Registry-Config header

type BuildImageOptions 

type BuildImageOptions struct {
	Name                string             `qs:"t"`
	NoCache             bool               `qs:"nocache"`
	SuppressOutput      bool               `qs:"q"`
	RmTmpContainer      bool               `qs:"rm"`
	ForceRmTmpContainer bool               `qs:"forcerm"`
	InputStream         io.Reader          `qs:"-"`
	OutputStream        io.Writer          `qs:"-"`
	RawJSONStream       bool               `qs:"-"`
	Remote              string             `qs:"remote"`
	Auth                AuthConfiguration  `qs:"-"` // for older docker X-Registry-Auth header
	AuthConfigs         AuthConfigurations `qs:"-"` // for newer docker X-Registry-Config header
	ContextDir          string             `qs:"-"`
}

BuildImageOptions present the set of informations available for building an image from a tarfile with a Dockerfile in it.

For more details about the Docker building process, see http://goo.gl/tlPXPu.

type Change 

type Change struct {
	Path string
	Kind ChangeType
}

Change represents a change in a container.

See http://goo.gl/QkW9sH for more details.

func (*Change) String 

func (change *Change) String() string

type ChangeType 

type ChangeType int

ChangeType is a type for constants indicating the type of change in a container 

const (
	// ChangeModify is the ChangeType for container modifications
	ChangeModify ChangeType = iota

	// ChangeAdd is the ChangeType for additions to a container
	ChangeAdd

	// ChangeDelete is the ChangeType for deletions from a container
	ChangeDelete
)

type Client 

type Client struct {
	SkipServerVersionCheck bool
	HTTPClient             *http.Client
	TLSConfig              *tls.Config
	// contains filtered or unexported fields
}

Client is the basic type of this package. It provides methods for interaction with the API.

func NewClient 

func NewClient(endpoint string) (*Client, error)

NewClient returns a Client instance ready for communication with the given server endpoint. It will use the latest remote API version available in the server.

func NewTLSClient added in v0.2.1 

func NewTLSClient(endpoint string, cert, key, ca string) (*Client, error)

NewTLSClient returns a Client instance ready for TLS communications with the givens server endpoint, key and certificates . It will use the latest remote API version available in the server.

func NewVersionedClient 

func NewVersionedClient(endpoint string, apiVersionString string) (*Client, error)

NewVersionedClient returns a Client instance ready for communication with the given server endpoint, using a specific remote API version.

func NewVersionnedTLSClient added in v0.2.1 

func NewVersionnedTLSClient(endpoint string, cert, key, ca, apiVersionString string) (*Client, error)

NewVersionnedTLSClient returns a Client instance ready for TLS communications with the givens server endpoint, key and certificates, using a specific remote API version.

func (*Client) AddEventListener 

func (c *Client) AddEventListener(listener chan<- *APIEvents) error

AddEventListener adds a new listener to container events in the Docker API.

The parameter is a channel through which events will be sent.

func (*Client) AttachToContainer 

func (c *Client) AttachToContainer(opts AttachToContainerOptions) error

AttachToContainer attaches to a container, using the given options.

See http://goo.gl/RRAhws for more details.

Example 
client, err := docker.NewClient("http://localhost:4243")
if err != nil {
	log.Fatal(err)
}
client.SkipServerVersionCheck = true
// Reading logs from container a84849 and sending them to buf.
var buf bytes.Buffer
err = client.AttachToContainer(docker.AttachToContainerOptions{
	Container:    "a84849",
	OutputStream: &buf,
	Logs:         true,
	Stdout:       true,
	Stderr:       true,
})
if err != nil {
	log.Fatal(err)
}
log.Println(buf.String())
buf.Reset()
err = client.AttachToContainer(docker.AttachToContainerOptions{
	Container:    "a84849",
	OutputStream: &buf,
	Stdout:       true,
	Stream:       true,
})
if err != nil {
	log.Fatal(err)
}
log.Println(buf.String())

Output:

func (*Client) BuildImage 

func (c *Client) BuildImage(opts BuildImageOptions) error

BuildImage builds an image from a tarball's url or a Dockerfile in the input stream.

See http://goo.gl/wRsW76 for more details.

Example 
client, err := docker.NewClient("http://localhost:4243")
if err != nil {
	log.Fatal(err)
}

t := time.Now()
inputbuf, outputbuf := bytes.NewBuffer(nil), bytes.NewBuffer(nil)
tr := tar.NewWriter(inputbuf)
tr.WriteHeader(&tar.Header{Name: "Dockerfile", Size: 10, ModTime: t, AccessTime: t, ChangeTime: t})
tr.Write([]byte("FROM base\n"))
tr.Close()
opts := docker.BuildImageOptions{
	Name:         "test",
	InputStream:  inputbuf,
	OutputStream: outputbuf,
}
if err := client.BuildImage(opts); err != nil {
	log.Fatal(err)
}

Output:

func (*Client) CommitContainer 

func (c *Client) CommitContainer(opts CommitContainerOptions) (*Image, error)

CommitContainer creates a new image from a container's changes.

See http://goo.gl/Jn8pe8 for more details.

func (*Client) ContainerChanges 

func (c *Client) ContainerChanges(id string) ([]Change, error)

ContainerChanges returns changes in the filesystem of the given container.

See http://goo.gl/QkW9sH for more details.

func (*Client) CopyFromContainer 

func (c *Client) CopyFromContainer(opts CopyFromContainerOptions) error

CopyFromContainer copy files or folders from a container, using a given resource.

See http://goo.gl/rINMlw for more details.

Example 
client, err := docker.NewClient("http://localhost:4243")
if err != nil {
	log.Fatal(err)
}
cid := "a84849"
var buf bytes.Buffer
filename := "/tmp/output.txt"
err = client.CopyFromContainer(docker.CopyFromContainerOptions{
	Container:    cid,
	Resource:     filename,
	OutputStream: &buf,
})
if err != nil {
	log.Fatalf("Error while copying from %s: %s\n", cid, err)
}
content := new(bytes.Buffer)
r := bytes.NewReader(buf.Bytes())
tr := tar.NewReader(r)
tr.Next()
if err != nil && err != io.EOF {
	log.Fatal(err)
}
if _, err := io.Copy(content, tr); err != nil {
	log.Fatal(err)
}
log.Println(buf.String())

Output:

func (*Client) CreateContainer 

func (c *Client) CreateContainer(opts CreateContainerOptions) (*Container, error)

CreateContainer creates a new container, returning the container instance, or an error in case of failure.

See http://goo.gl/mErxNp for more details.

func (*Client) CreateExec 

func (c *Client) CreateExec(opts CreateExecOptions) (*Exec, error)

CreateExec sets up an exec instance in a running container `id`, returning the exec instance, or an error in case of failure.

See http://goo.gl/8izrzI for more details

func (*Client) ExportContainer 

func (c *Client) ExportContainer(opts ExportContainerOptions) error

ExportContainer export the contents of container id as tar archive and prints the exported contents to stdout.

See http://goo.gl/hnzE62 for more details.

func (*Client) ExportImage 

func (c *Client) ExportImage(opts ExportImageOptions) error

ExportImage exports an image (as a tar file) into the stream

See http://goo.gl/mi6kvk for more details.

func (*Client) ImageHistory 

func (c *Client) ImageHistory(name string) ([]ImageHistory, error)

ImageHistory returns the history of the image by its name or ID.

See http://goo.gl/2oJmNs for more details.

func (*Client) ImportImage 

func (c *Client) ImportImage(opts ImportImageOptions) error

ImportImage imports an image from a url, a file or stdin

See http://goo.gl/PhBKnS for more details.

func (*Client) Info 

func (c *Client) Info() (*Env, error)

Info returns system-wide information about the Docker server.

See http://goo.gl/wmqZsW for more details.

func (*Client) InspectContainer 

func (c *Client) InspectContainer(id string) (*Container, error)

InspectContainer returns information about a container by its ID.

See http://goo.gl/CxVuJ5 for more details.

func (*Client) InspectExec added in v0.2.2 

func (c *Client) InspectExec(id string) (*ExecInspect, error)

InspectExec returns low-level information about the exec command id.

See http://goo.gl/ypQULN for more details

func (*Client) InspectImage 

func (c *Client) InspectImage(name string) (*Image, error)

InspectImage returns an image by its name or ID.

See http://goo.gl/Q112NY for more details.

func (*Client) KillContainer 

func (c *Client) KillContainer(opts KillContainerOptions) error

KillContainer kills a container, returning an error in case of failure.

See http://goo.gl/TFkECx for more details.

func (*Client) ListContainers 

func (c *Client) ListContainers(opts ListContainersOptions) ([]APIContainers, error)

ListContainers returns a slice of containers matching the given criteria.

See http://goo.gl/6Y4Gz7 for more details.

func (*Client) ListImages 

func (c *Client) ListImages(opts ListImagesOptions) ([]APIImages, error)

ListImages returns the list of available images in the server.

See http://goo.gl/2rOLFF for more details.

func (*Client) LoadImage 

func (c *Client) LoadImage(opts LoadImageOptions) error

LoadImage imports a tarball docker image

See http://goo.gl/Y8NNCq for more details.

func (*Client) Logs 

func (c *Client) Logs(opts LogsOptions) error

Logs gets stdout and stderr logs from the specified container.

See http://goo.gl/rLhKSU for more details.

func (*Client) PauseContainer 

func (c *Client) PauseContainer(id string) error

PauseContainer pauses the given container.

See http://goo.gl/AM5t42 for more details.

func (*Client) Ping 

func (c *Client) Ping() error

Ping pings the docker server

See http://goo.gl/stJENm for more details.

func (*Client) PullImage 

func (c *Client) PullImage(opts PullImageOptions, auth AuthConfiguration) error

PullImage pulls an image from a remote registry, logging progress to w.

See http://goo.gl/ACyYNS for more details.

func (*Client) PushImage 

func (c *Client) PushImage(opts PushImageOptions, auth AuthConfiguration) error

PushImage pushes an image to a remote registry, logging progress to w.

An empty instance of AuthConfiguration may be used for unauthenticated pushes.

See http://goo.gl/pN8A3P for more details.

func (*Client) RemoveContainer 

func (c *Client) RemoveContainer(opts RemoveContainerOptions) error

RemoveContainer removes a container, returning an error in case of failure.

See http://goo.gl/ZB83ji for more details.

func (*Client) RemoveEventListener 

func (c *Client) RemoveEventListener(listener chan *APIEvents) error

RemoveEventListener removes a listener from the monitor.

func (*Client) RemoveImage 

func (c *Client) RemoveImage(name string) error

RemoveImage removes an image by its name or ID.

See http://goo.gl/znj0wM for more details.

func (*Client) ResizeContainerTTY 

func (c *Client) ResizeContainerTTY(id string, height, width int) error

ResizeContainerTTY resizes the terminal to the given height and width.

func (*Client) ResizeExecTTY 

func (c *Client) ResizeExecTTY(id string, height, width int) error

ResizeExecTTY resizes the tty session used by the exec command id. This API is valid only if Tty was specified as part of creating and starting the exec command.

See http://goo.gl/YDSx1f for more details

func (*Client) RestartContainer 

func (c *Client) RestartContainer(id string, timeout uint) error

RestartContainer stops a container, killing it after the given timeout (in seconds), during the stop process.

See http://goo.gl/VOzR2n for more details.

func (*Client) SearchImages 

func (c *Client) SearchImages(term string) ([]APIImageSearch, error)

SearchImages search the docker hub with a specific given term.

See http://goo.gl/xI5lLZ for more details.

func (*Client) StartContainer 

func (c *Client) StartContainer(id string, hostConfig *HostConfig) error

StartContainer starts a container, returning an error in case of failure.

See http://goo.gl/iM5GYs for more details.

func (*Client) StartExec 

func (c *Client) StartExec(id string, opts StartExecOptions) error

StartExec starts a previously set up exec instance id. If opts.Detach is true, it returns after starting the exec command. Otherwise, it sets up an interactive session with the exec command.

See http://goo.gl/JW8Lxl for more details

func (*Client) StopContainer 

func (c *Client) StopContainer(id string, timeout uint) error

StopContainer stops a container, killing it after the given timeout (in seconds).

See http://goo.gl/EbcpXt for more details.

func (*Client) TagImage 

func (c *Client) TagImage(name string, opts TagImageOptions) error

TagImage adds a tag to the image identified by the given name.

See http://goo.gl/5g6qFy for more details.

func (*Client) TopContainer 

func (c *Client) TopContainer(id string, psArgs string) (TopResult, error)

TopContainer returns processes running inside a container

See http://goo.gl/qu4gse for more details.

func (*Client) UnpauseContainer 

func (c *Client) UnpauseContainer(id string) error

UnpauseContainer pauses the given container.

See http://goo.gl/eBrNSL for more details.

func (*Client) Version 

func (c *Client) Version() (*Env, error)

Version returns version information about the docker server.

See http://goo.gl/BOZrF5 for more details.

func (*Client) WaitContainer 

func (c *Client) WaitContainer(id string) (int, error)

WaitContainer blocks until the given container stops, return the exit code of the container status.

See http://goo.gl/J88DHU for more details.

type CommitContainerOptions 

type CommitContainerOptions struct {
	Container  string
	Repository string `qs:"repo"`
	Tag        string
	Message    string `qs:"m"`
	Author     string
	Run        *Config `qs:"-"`
}

CommitContainerOptions aggregates parameters to the CommitContainer method.

See http://goo.gl/Jn8pe8 for more details.

type Config 

type Config struct {
	Hostname        string              `json:"Hostname,omitempty" yaml:"Hostname,omitempty"`
	Domainname      string              `json:"Domainname,omitempty" yaml:"Domainname,omitempty"`
	User            string              `json:"User,omitempty" yaml:"User,omitempty"`
	Memory          int64               `json:"Memory,omitempty" yaml:"Memory,omitempty"`
	MemorySwap      int64               `json:"MemorySwap,omitempty" yaml:"MemorySwap,omitempty"`
	CPUShares       int64               `json:"CpuShares,omitempty" yaml:"CpuShares,omitempty"`
	CPUSet          string              `json:"Cpuset,omitempty" yaml:"Cpuset,omitempty"`
	AttachStdin     bool                `json:"AttachStdin,omitempty" yaml:"AttachStdin,omitempty"`
	AttachStdout    bool                `json:"AttachStdout,omitempty" yaml:"AttachStdout,omitempty"`
	AttachStderr    bool                `json:"AttachStderr,omitempty" yaml:"AttachStderr,omitempty"`
	PortSpecs       []string            `json:"PortSpecs,omitempty" yaml:"PortSpecs,omitempty"`
	ExposedPorts    map[Port]struct{}   `json:"ExposedPorts,omitempty" yaml:"ExposedPorts,omitempty"`
	Tty             bool                `json:"Tty,omitempty" yaml:"Tty,omitempty"`
	OpenStdin       bool                `json:"OpenStdin,omitempty" yaml:"OpenStdin,omitempty"`
	StdinOnce       bool                `json:"StdinOnce,omitempty" yaml:"StdinOnce,omitempty"`
	Env             []string            `json:"Env,omitempty" yaml:"Env,omitempty"`
	Cmd             []string            `json:"Cmd,omitempty" yaml:"Cmd,omitempty"`
	DNS             []string            `json:"Dns,omitempty" yaml:"Dns,omitempty"` // For Docker API v1.9 and below only
	Image           string              `json:"Image,omitempty" yaml:"Image,omitempty"`
	Volumes         map[string]struct{} `json:"Volumes,omitempty" yaml:"Volumes,omitempty"`
	VolumesFrom     string              `json:"VolumesFrom,omitempty" yaml:"VolumesFrom,omitempty"`
	WorkingDir      string              `json:"WorkingDir,omitempty" yaml:"WorkingDir,omitempty"`
	Entrypoint      []string            `json:"Entrypoint,omitempty" yaml:"Entrypoint,omitempty"`
	NetworkDisabled bool                `json:"NetworkDisabled,omitempty" yaml:"NetworkDisabled,omitempty"`
}

Config is the list of configuration options used when creating a container. Config does not the options that are specific to starting a container on a given host. Those are contained in HostConfig

type Container 

type Container struct {
	ID string `json:"Id" yaml:"Id"`

	Created time.Time `json:"Created,omitempty" yaml:"Created,omitempty"`

	Path string   `json:"Path,omitempty" yaml:"Path,omitempty"`
	Args []string `json:"Args,omitempty" yaml:"Args,omitempty"`

	Config *Config `json:"Config,omitempty" yaml:"Config,omitempty"`
	State  State   `json:"State,omitempty" yaml:"State,omitempty"`
	Image  string  `json:"Image,omitempty" yaml:"Image,omitempty"`

	NetworkSettings *NetworkSettings `json:"NetworkSettings,omitempty" yaml:"NetworkSettings,omitempty"`

	SysInitPath    string `json:"SysInitPath,omitempty" yaml:"SysInitPath,omitempty"`
	ResolvConfPath string `json:"ResolvConfPath,omitempty" yaml:"ResolvConfPath,omitempty"`
	HostnamePath   string `json:"HostnamePath,omitempty" yaml:"HostnamePath,omitempty"`
	HostsPath      string `json:"HostsPath,omitempty" yaml:"HostsPath,omitempty"`
	Name           string `json:"Name,omitempty" yaml:"Name,omitempty"`
	Driver         string `json:"Driver,omitempty" yaml:"Driver,omitempty"`

	Volumes    map[string]string `json:"Volumes,omitempty" yaml:"Volumes,omitempty"`
	VolumesRW  map[string]bool   `json:"VolumesRW,omitempty" yaml:"VolumesRW,omitempty"`
	HostConfig *HostConfig       `json:"HostConfig,omitempty" yaml:"HostConfig,omitempty"`
}

Container is the type encompasing everything about a container - its config, hostconfig, etc.

type ContainerAlreadyRunning 

type ContainerAlreadyRunning struct {
	ID string
}

ContainerAlreadyRunning is the error returned when a given container is already running.

func (*ContainerAlreadyRunning) Error 

func (err *ContainerAlreadyRunning) Error() string

type ContainerNotRunning 

type ContainerNotRunning struct {
	ID string
}

ContainerNotRunning is the error returned when a given container is not running.

func (*ContainerNotRunning) Error 

func (err *ContainerNotRunning) Error() string

type CopyFromContainerOptions 

type CopyFromContainerOptions struct {
	OutputStream io.Writer `json:"-"`
	Container    string    `json:"-"`
	Resource     string
}

CopyFromContainerOptions is the set of options that can be used when copying files or folders from a container.

See http://goo.gl/rINMlw for more details.

type CreateContainerOptions 

type CreateContainerOptions struct {
	Name       string
	Config     *Config `qs:"-"`
	HostConfig *HostConfig
}

CreateContainerOptions specify parameters to the CreateContainer function.

See http://goo.gl/2xxQQK for more details.

type CreateExecOptions 

type CreateExecOptions struct {
	AttachStdin  bool     `json:"AttachStdin,omitempty" yaml:"AttachStdin,omitempty"`
	AttachStdout bool     `json:"AttachStdout,omitempty" yaml:"AttachStdout,omitempty"`
	AttachStderr bool     `json:"AttachStderr,omitempty" yaml:"AttachStderr,omitempty"`
	Tty          bool     `json:"Tty,omitempty" yaml:"Tty,omitempty"`
	Cmd          []string `json:"Cmd,omitempty" yaml:"Cmd,omitempty"`
	Container    string   `json:"Container,omitempty" yaml:"Container,omitempty"`
}

CreateExecOptions specify parameters to the CreateExecContainer function.

See http://goo.gl/8izrzI for more details

type Env 

type Env []string

Env represents a list of key-pair represented in the form KEY=VALUE.

func (*Env) Decode 

func (env *Env) Decode(src io.Reader) error

Decode decodes `src` as a json dictionary, and adds each decoded key-value pair to the environment.

If `src` cannot be decoded as a json dictionary, an error is returned.

func (*Env) Exists 

func (env *Env) Exists(key string) bool

Exists checks whether the given key is defined in the internal Env representation.

func (*Env) Get 

func (env *Env) Get(key string) (value string)

Get returns the string value of the given key.

func (*Env) GetBool 

func (env *Env) GetBool(key string) (value bool)

GetBool returns a boolean representation of the given key. The key is false whenever its value if 0, no, false, none or an empty string. Any other value will be interpreted as true.

func (*Env) GetInt 

func (env *Env) GetInt(key string) int

GetInt returns the value of the provided key, converted to int.

It the value cannot be represented as an integer, it returns -1.

func (*Env) GetInt64 

func (env *Env) GetInt64(key string) int64

GetInt64 returns the value of the provided key, converted to int64.

It the value cannot be represented as an integer, it returns -1.

func (*Env) GetJSON 

func (env *Env) GetJSON(key string, iface interface{}) error

GetJSON unmarshals the value of the provided key in the provided iface.

iface is a value that can be provided to the json.Unmarshal function.

Example 
type Person struct {
	Name string
	Age  int
}
p := Person{Name: "Gopher", Age: 4}
var e docker.Env
e.Set("person", `{"name":"Gopher","age":4}`)
err := e.GetJSON("person", &p)
if err != nil {
	log.Fatal(err)
}

Output:

func (*Env) GetList 

func (env *Env) GetList(key string) []string

GetList returns a list of strings matching the provided key. It handles the list as a JSON representation of a list of strings.

If the given key matches to a single string, it will return a list containing only the value that matches the key.

func (*Env) Map 

func (env *Env) Map() map[string]string

Map returns the map representation of the env.

Example 
e := docker.Env([]string{"A=1", "B=2", "C=3"})
envs := e.Map()
for k, v := range envs {
	fmt.Printf("%s=%q\n", k, v)
}

Output:

func (*Env) Set 

func (env *Env) Set(key, value string)

Set defines the value of a key to the given string.

func (*Env) SetAuto 

func (env *Env) SetAuto(key string, value interface{})

SetAuto will try to define the Set* method to call based on the given value.

func (*Env) SetBool 

func (env *Env) SetBool(key string, value bool)

SetBool defines a boolean value to the given key.

func (*Env) SetInt 

func (env *Env) SetInt(key string, value int)

SetInt defines an integer value to the given key.

func (*Env) SetInt64 

func (env *Env) SetInt64(key string, value int64)

SetInt64 defines an integer (64-bit wide) value to the given key.

func (*Env) SetJSON 

func (env *Env) SetJSON(key string, value interface{}) error

SetJSON marshals the given value to JSON format and stores it using the provided key.

Example 
type Person struct {
	Name string
	Age  int
}
p := Person{Name: "Gopher", Age: 4}
var e docker.Env
err := e.SetJSON("person", p)
if err != nil {
	log.Fatal(err)
}

Output:

func (*Env) SetList 

func (env *Env) SetList(key string, value []string) error

SetList stores the given list in the provided key, after serializing it to JSON format.

type Error 

type Error struct {
	Status  int
	Message string
}

Error represents failures in the API. It represents a failure from the API.

func (*Error) Error 

func (e *Error) Error() string

type Exec 

type Exec struct {
	ID string `json:"Id,omitempty" yaml:"Id,omitempty"`
}

Exec is the type representing a `docker exec` instance and containing the instance ID

type ExecInspect added in v0.2.2 

type ExecInspect struct {
	ID            string            `json:"ID,omitempty" yaml:"ID,omitempty"`
	Running       bool              `json:"Running,omitempty" yaml:"Running,omitempty"`
	ExitCode      int               `json:"ExitCode,omitempty" yaml:"ExitCode,omitempty"`
	OpenStdin     bool              `json:"OpenStdin,omitempty" yaml:"OpenStdin,omitempty"`
	OpenStderr    bool              `json:"OpenStderr,omitempty" yaml:"OpenStderr,omitempty"`
	OpenStdout    bool              `json:"OpenStdout,omitempty" yaml:"OpenStdout,omitempty"`
	ProcessConfig ExecProcessConfig `json:"ProcessConfig,omitempty" yaml:"ProcessConfig,omitempty"`
	Container     Container         `json:"Container,omitempty" yaml:"Container,omitempty"`
}

ExecInspect is a type with details about a exec instance, including the exit code if the command has finished running. It's returned by a api call to /exec/(id)/json

See http://goo.gl/ypQULN for more details

type ExecProcessConfig added in v0.2.2 

type ExecProcessConfig struct {
	Privileged bool     `json:"privileged,omitempty" yaml:"privileged,omitempty"`
	User       string   `json:"user,omitempty" yaml:"user,omitempty"`
	Tty        bool     `json:"tty,omitempty" yaml:"tty,omitempty"`
	EntryPoint string   `json:"entrypoint,omitempty" yaml:"entrypoint,omitempty"`
	Arguments  []string `json:"arguments,omitempty" yaml:"arguments,omitempty"`
}

ExecProcessConfig is a type describing the command associated to a Exec instance. It's used in the ExecInspect type.

See http://goo.gl/ypQULN for more details

type ExportContainerOptions 

type ExportContainerOptions struct {
	ID           string
	OutputStream io.Writer
}

ExportContainerOptions is the set of parameters to the ExportContainer method.

See http://goo.gl/hnzE62 for more details.

type ExportImageOptions 

type ExportImageOptions struct {
	Name         string
	OutputStream io.Writer
}

ExportImageOptions represent the options for ExportImage Docker API call

See http://goo.gl/mi6kvk for more details.

type HostConfig 

type HostConfig struct {
	Binds           []string               `json:"Binds,omitempty" yaml:"Binds,omitempty"`
	CapAdd          []string               `json:"CapAdd,omitempty" yaml:"CapAdd,omitempty"`
	CapDrop         []string               `json:"CapDrop,omitempty" yaml:"CapDrop,omitempty"`
	ContainerIDFile string                 `json:"ContainerIDFile,omitempty" yaml:"ContainerIDFile,omitempty"`
	LxcConf         []KeyValuePair         `json:"LxcConf,omitempty" yaml:"LxcConf,omitempty"`
	Privileged      bool                   `json:"Privileged,omitempty" yaml:"Privileged,omitempty"`
	PortBindings    map[Port][]PortBinding `json:"PortBindings,omitempty" yaml:"PortBindings,omitempty"`
	Links           []string               `json:"Links,omitempty" yaml:"Links,omitempty"`
	PublishAllPorts bool                   `json:"PublishAllPorts,omitempty" yaml:"PublishAllPorts,omitempty"`
	DNS             []string               `json:"Dns,omitempty" yaml:"Dns,omitempty"` // For Docker API v1.10 and above only
	DNSSearch       []string               `json:"DnsSearch,omitempty" yaml:"DnsSearch,omitempty"`
	ExtraHosts      []string               `json:"ExtraHosts,omitempty" yaml:"ExtraHosts,omitempty"`
	VolumesFrom     []string               `json:"VolumesFrom,omitempty" yaml:"VolumesFrom,omitempty"`
	NetworkMode     string                 `json:"NetworkMode,omitempty" yaml:"NetworkMode,omitempty"`
	IpcMode         string                 `json:"IpcMode,omitempty" yaml:"IpcMode,omitempty"`
	RestartPolicy   RestartPolicy          `json:"RestartPolicy,omitempty" yaml:"RestartPolicy,omitempty"`
}

HostConfig contains the container options related to starting a container on a given host

type Image 

type Image struct {
	ID              string    `json:"Id" yaml:"Id"`
	Parent          string    `json:"Parent,omitempty" yaml:"Parent,omitempty"`
	Comment         string    `json:"Comment,omitempty" yaml:"Comment,omitempty"`
	Created         time.Time `json:"Created,omitempty" yaml:"Created,omitempty"`
	Container       string    `json:"Container,omitempty" yaml:"Container,omitempty"`
	ContainerConfig Config    `json:"ContainerConfig,omitempty" yaml:"ContainerConfig,omitempty"`
	DockerVersion   string    `json:"DockerVersion,omitempty" yaml:"DockerVersion,omitempty"`
	Author          string    `json:"Author,omitempty" yaml:"Author,omitempty"`
	Config          *Config   `json:"Config,omitempty" yaml:"Config,omitempty"`
	Architecture    string    `json:"Architecture,omitempty" yaml:"Architecture,omitempty"`
	Size            int64     `json:"Size,omitempty" yaml:"Size,omitempty"`
}

Image is the type representing a docker image and its various properties

type ImageHistory 

type ImageHistory struct {
	ID        string   `json:"Id" yaml:"Id"`
	Tags      []string `json:"Tags,omitempty" yaml:"Tags,omitempty"`
	Created   int64    `json:"Created,omitempty" yaml:"Created,omitempty"`
	CreatedBy string   `json:"CreatedBy,omitempty" yaml:"CreatedBy,omitempty"`
	Size      int64    `json:"Size,omitempty" yaml:"Size,omitempty"`
}

ImageHistory represent a layer in an image's history returned by the ImageHistory call.

type ImagePre012 

type ImagePre012 struct {
	ID              string    `json:"id"`
	Parent          string    `json:"parent,omitempty"`
	Comment         string    `json:"comment,omitempty"`
	Created         time.Time `json:"created"`
	Container       string    `json:"container,omitempty"`
	ContainerConfig Config    `json:"container_config,omitempty"`
	DockerVersion   string    `json:"docker_version,omitempty"`
	Author          string    `json:"author,omitempty"`
	Config          *Config   `json:"config,omitempty"`
	Architecture    string    `json:"architecture,omitempty"`
	Size            int64     `json:"size,omitempty"`
}

ImagePre012 serves the same purpose as the Image type except that it is for earlier versions of the Docker API (pre-012 to be specific)

type ImportImageOptions 

type ImportImageOptions struct {
	Repository string `qs:"repo"`
	Source     string `qs:"fromSrc"`
	Tag        string `qs:"tag"`

	InputStream  io.Reader `qs:"-"`
	OutputStream io.Writer `qs:"-"`
}

ImportImageOptions present the set of informations available for importing an image from a source file or the stdin.

See http://goo.gl/PhBKnS for more details.

type KeyValuePair 

type KeyValuePair struct {
	Key   string `json:"Key,omitempty" yaml:"Key,omitempty"`
	Value string `json:"Value,omitempty" yaml:"Value,omitempty"`
}

KeyValuePair is a type for generic key/value pairs as used in the Lxc configuration

type KillContainerOptions 

type KillContainerOptions struct {
	// The ID of the container.
	ID string `qs:"-"`

	// The signal to send to the container. When omitted, Docker server
	// will assume SIGKILL.
	Signal Signal
}

KillContainerOptions represents the set of options that can be used in a call to KillContainer.

See http://goo.gl/TFkECx for more details.

type ListContainersOptions 

type ListContainersOptions struct {
	All     bool
	Size    bool
	Limit   int
	Since   string
	Before  string
	Filters map[string][]string
}

ListContainersOptions specify parameters to the ListContainers function.

See http://goo.gl/6Y4Gz7 for more details.

type ListImagesOptions added in v0.2.1 

type ListImagesOptions struct {
	All     bool
	Filters map[string][]string
}

ListImagesOptions specify parameters to the ListImages function.

See http://goo.gl/2rOLFF for more details.

type LoadImageOptions 

type LoadImageOptions struct {
	InputStream io.Reader
}

LoadImageOptions represents the options for LoadImage Docker API Call

See http://goo.gl/Y8NNCq for more details.

type LogsOptions 

type LogsOptions struct {
	Container    string    `qs:"-"`
	OutputStream io.Writer `qs:"-"`
	ErrorStream  io.Writer `qs:"-"`
	Follow       bool
	Stdout       bool
	Stderr       bool
	Timestamps   bool
	Tail         string

	// Use raw terminal? Usually true when the container contains a TTY.
	RawTerminal bool `qs:"-"`
}

LogsOptions represents the set of options used when getting logs from a container.

See http://goo.gl/rLhKSU for more details.

type NetworkSettings 

type NetworkSettings struct {
	IPAddress   string                 `json:"IPAddress,omitempty" yaml:"IPAddress,omitempty"`
	IPPrefixLen int                    `json:"IPPrefixLen,omitempty" yaml:"IPPrefixLen,omitempty"`
	Gateway     string                 `json:"Gateway,omitempty" yaml:"Gateway,omitempty"`
	Bridge      string                 `json:"Bridge,omitempty" yaml:"Bridge,omitempty"`
	PortMapping map[string]PortMapping `json:"PortMapping,omitempty" yaml:"PortMapping,omitempty"`
	Ports       map[Port][]PortBinding `json:"Ports,omitempty" yaml:"Ports,omitempty"`
}

NetworkSettings contains network-related information about a container

func (*NetworkSettings) PortMappingAPI 

func (settings *NetworkSettings) PortMappingAPI() []APIPort

PortMappingAPI translates the port mappings as contained in NetworkSettings into the format in which they would appear when returned by the API

type NoSuchContainer 

type NoSuchContainer struct {
	ID string
}

NoSuchContainer is the error returned when a given container does not exist.

func (*NoSuchContainer) Error 

func (err *NoSuchContainer) Error() string

type NoSuchExec 

type NoSuchExec struct {
	ID string
}

NoSuchExec is the error returned when a given exec instance does not exist.

func (*NoSuchExec) Error 

func (err *NoSuchExec) Error() string

type Port 

type Port string

Port represents the port number and the protocol, in the form <number>/<protocol>. For example: 80/tcp.

func (Port) Port 

func (p Port) Port() string

Port returns the number of the port.

func (Port) Proto 

func (p Port) Proto() string

Proto returns the name of the protocol.

type PortBinding 

type PortBinding struct {
	HostIP   string `json:"HostIP,omitempty" yaml:"HostIP,omitempty"`
	HostPort string `json:"HostPort,omitempty" yaml:"HostPort,omitempty"`
}

PortBinding represents the host/container port mapping as returned in the `docker inspect` json

type PortMapping 

type PortMapping map[string]string

PortMapping represents a deprecated field in the `docker inspect` output, and its value as found in NetworkSettings should always be nil

type PullImageOptions 

type PullImageOptions struct {
	Repository    string `qs:"fromImage"`
	Registry      string
	Tag           string
	OutputStream  io.Writer `qs:"-"`
	RawJSONStream bool      `qs:"-"`
}

PullImageOptions present the set of options available for pulling an image from a registry.

See http://goo.gl/ACyYNS for more details.

type PushImageOptions 

type PushImageOptions struct {
	// Name of the image
	Name string

	// Tag of the image
	Tag string

	// Registry server to push the image
	Registry string

	OutputStream  io.Writer `qs:"-"`
	RawJSONStream bool      `qs:"-"`
}

PushImageOptions represents options to use in the PushImage method.

See http://goo.gl/pN8A3P for more details.

type RemoveContainerOptions 

type RemoveContainerOptions struct {
	// The ID of the container.
	ID string `qs:"-"`

	// A flag that indicates whether Docker should remove the volumes
	// associated to the container.
	RemoveVolumes bool `qs:"v"`

	// A flag that indicates whether Docker should remove the container
	// even if it is currently running.
	Force bool
}

RemoveContainerOptions encapsulates options to remove a container.

See http://goo.gl/ZB83ji for more details.

type RestartPolicy 

type RestartPolicy struct {
	Name              string `json:"Name,omitempty" yaml:"Name,omitempty"`
	MaximumRetryCount int    `json:"MaximumRetryCount,omitempty" yaml:"MaximumRetryCount,omitempty"`
}

RestartPolicy represents the policy for automatically restarting a container.

Possible values are:

  • always: the docker daemon will always restart the container
  • on-failure: the docker daemon will restart the container on failures, at most MaximumRetryCount times
  • no: the docker daemon will not restart the container automatically

func AlwaysRestart 

func AlwaysRestart() RestartPolicy

AlwaysRestart returns a restart policy that tells the Docker daemon to always restart the container.

func NeverRestart 

func NeverRestart() RestartPolicy

NeverRestart returns a restart policy that tells the Docker daemon to never restart the container on failures.

func RestartOnFailure 

func RestartOnFailure(maxRetry int) RestartPolicy

RestartOnFailure returns a restart policy that tells the Docker daemon to restart the container on failures, trying at most maxRetry times.

type Signal 

type Signal int

Signal represents a signal that can be send to the container on KillContainer call.

type StartExecOptions 

type StartExecOptions struct {
	Detach bool `json:"Detach,omitempty" yaml:"Detach,omitempty"`

	Tty bool `json:"Tty,omitempty" yaml:"Tty,omitempty"`

	InputStream  io.Reader `qs:"-"`
	OutputStream io.Writer `qs:"-"`
	ErrorStream  io.Writer `qs:"-"`

	// Use raw terminal? Usually true when the container contains a TTY.
	RawTerminal bool `qs:"-"`

	// If set, after a successful connect, a sentinel will be sent and then the
	// client will block on receive before continuing.
	//
	// It must be an unbuffered channel. Using a buffered channel can lead
	// to unexpected behavior.
	Success chan struct{} `json:"-"`
}

StartExecOptions specify parameters to the StartExecContainer function.

See http://goo.gl/JW8Lxl for more details

type State 

type State struct {
	Running    bool      `json:"Running,omitempty" yaml:"Running,omitempty"`
	Paused     bool      `json:"Paused,omitempty" yaml:"Paused,omitempty"`
	OOMKilled  bool      `json:"OOMKilled,omitempty" yaml:"OOMKilled,omitempty"`
	Pid        int       `json:"Pid,omitempty" yaml:"Pid,omitempty"`
	ExitCode   int       `json:"ExitCode,omitempty" yaml:"ExitCode,omitempty"`
	Error      string    `json:"Error,omitempty" yaml:"Error,omitempty"`
	StartedAt  time.Time `json:"StartedAt,omitempty" yaml:"StartedAt,omitempty"`
	FinishedAt time.Time `json:"FinishedAt,omitempty" yaml:"FinishedAt,omitempty"`
}

State represents the state of a container.

func (*State) String 

func (s *State) String() string

String returns the string representation of a state.

type TagImageOptions 

type TagImageOptions struct {
	Repo  string
	Tag   string
	Force bool
}

TagImageOptions present the set of options to tag an image.

See http://goo.gl/5g6qFy for more details.

type TopResult 

type TopResult struct {
	Titles    []string
	Processes [][]string
}

TopResult represents the list of processes running in a container, as returned by /containers/<id>/top.

See http://goo.gl/qu4gse for more details.

Source Files

View all Source files

Directories

Path Synopsis
Package testing provides a fake implementation of the Docker API, useful for testing purpose.
 Package testing provides a fake implementation of the Docker API, useful for testing purpose.

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