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moby/docs/sources/reference/api/archive/docker_remote_api_v1.0.rst
Sven Dowideit a777ebcee6 move the documentation to markdown 
Docker-DCO-1.1-Signed-off-by: Sven Dowideit <SvenDowideit@home.org.au> (github: SvenDowideit)
2014-04-16 11:04:01 +10:00

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orphan
title
Remote API v1.0
description
API Documentation for Docker
keywords
API, Docker, rcli, REST, documentation

Docker Remote API v1.0

Table of Contents

1. Brief introduction

  • The Remote API is replacing rcli
  • Default port in the docker daemon is 4243
  • The API tends to be REST, but for some complex commands, like attach or pull, the HTTP connection is hijacked to transport stdout stdin and stderr

2. Endpoints

2.1 Containers

List containers

List containers

Example request:

GET /containers/json?all=1&before=8dfafdbc3a40 HTTP/1.1

Example response:

HTTP/1.1 200 OK
Content-Type: application/json

[
 {
     "Id": "8dfafdbc3a40",
     "Image": "ubuntu:latest",
     "Command": "echo 1",
     "Created": 1367854155,
     "Status": "Exit 0"
 },
 {
     "Id": "9cd87474be90",
     "Image": "ubuntu:latest",
     "Command": "echo 222222",
     "Created": 1367854155,
     "Status": "Exit 0"
 },
 {
     "Id": "3176a2479c92",
     "Image": "centos:latest",
     "Command": "echo 3333333333333333",
     "Created": 1367854154,
     "Status": "Exit 0"
 },
 {
     "Id": "4cb07b47f9fb",
     "Image": "fedora:latest",
     "Command": "echo 444444444444444444444444444444444",
     "Created": 1367854152,
     "Status": "Exit 0"
 }
]
query all
1/True/true or 0/False/false, Show all containers. Only running containers are shown by default
query limit
Show limit last created containers, include non-running ones.
query since
Show only containers created since Id, include non-running ones.
query before
Show only containers created before Id, include non-running ones.
statuscode 200
no error
statuscode 400
bad parameter
statuscode 500
server error

Create a container

Create a container

Example request:

POST /containers/create HTTP/1.1
Content-Type: application/json

{
 "Hostname":"",
 "User":"",
 "Memory":0,
 "MemorySwap":0,
 "AttachStdin":false,
 "AttachStdout":true,
 "AttachStderr":true,
 "PortSpecs":null,
 "Tty":false,
 "OpenStdin":false,
 "StdinOnce":false,
 "Env":null,
 "Cmd":[
     "date"
 ],
 "Dns":null,
 "Image":"ubuntu",
 "Volumes":{},
 "VolumesFrom":""
}

Example response:

HTTP/1.1 201 OK
Content-Type: application/json

{
 "Id":"e90e34656806"
 "Warnings":[]
}
jsonparam config
the container's configuration
statuscode 201
no error
statuscode 404
no such container
statuscode 406
impossible to attach (container not running)
statuscode 500
server error

Inspect a container

Return low-level information on the container id

Example request:

GET /containers/4fa6e0f0c678/json HTTP/1.1

Example response:

HTTP/1.1 200 OK
Content-Type: application/json

{
     "Id": "4fa6e0f0c6786287e131c3852c58a2e01cc697a68231826813597e4994f1d6e2",
     "Created": "2013-05-07T14:51:42.041847+02:00",
     "Path": "date",
     "Args": [],
     "Config": {
         "Hostname": "4fa6e0f0c678",
         "User": "",
         "Memory": 0,
         "MemorySwap": 0,
         "AttachStdin": false,
         "AttachStdout": true,
         "AttachStderr": true,
         "PortSpecs": null,
         "Tty": false,
         "OpenStdin": false,
         "StdinOnce": false,
         "Env": null,
         "Cmd": [
             "date"
         ],
         "Dns": null,
         "Image": "ubuntu",
         "Volumes": {},
         "VolumesFrom": ""
     },
     "State": {
         "Running": false,
         "Pid": 0,
         "ExitCode": 0,
         "StartedAt": "2013-05-07T14:51:42.087658+02:01360",
         "Ghost": false
     },
     "Image": "b750fe79269d2ec9a3c593ef05b4332b1d1a02a62b4accb2c21d589ff2f5f2dc",
     "NetworkSettings": {
         "IpAddress": "",
         "IpPrefixLen": 0,
         "Gateway": "",
         "Bridge": "",
         "PortMapping": null
     },
     "SysInitPath": "/home/kitty/go/src/github.com/dotcloud/docker/bin/docker",
     "ResolvConfPath": "/etc/resolv.conf",
     "Volumes": {}
}
statuscode 200
no error
statuscode 404
no such container
statuscode 500
server error

Inspect changes on a container's filesystem

Inspect changes on container id 's filesystem

Example request:

GET /containers/4fa6e0f0c678/changes HTTP/1.1

Example response:

HTTP/1.1 200 OK
Content-Type: application/json

[
 {
     "Path":"/dev",
     "Kind":0
 },
 {
     "Path":"/dev/kmsg",
     "Kind":1
 },
 {
     "Path":"/test",
     "Kind":1
 }
]
statuscode 200
no error
statuscode 404
no such container
statuscode 500
server error

Export a container

Export the contents of container id

Example request:

GET /containers/4fa6e0f0c678/export HTTP/1.1

Example response:

HTTP/1.1 200 OK
Content-Type: application/octet-stream

{{ STREAM }}
statuscode 200
no error
statuscode 404
no such container
statuscode 500
server error

Start a container

Start the container id

Example request:

POST /containers/e90e34656806/start HTTP/1.1

Example response:

HTTP/1.1 200 OK
statuscode 200
no error
statuscode 404
no such container
statuscode 500
server error

Stop a container

Stop the container id

Example request:

POST /containers/e90e34656806/stop?t=5 HTTP/1.1

Example response:

HTTP/1.1 204 OK
query t
number of seconds to wait before killing the container
statuscode 204
no error
statuscode 404
no such container
statuscode 500
server error

Restart a container

Restart the container id

Example request:

POST /containers/e90e34656806/restart?t=5 HTTP/1.1

Example response:

HTTP/1.1 204 OK
query t
number of seconds to wait before killing the container
statuscode 204
no error
statuscode 404
no such container
statuscode 500
server error

Kill a container

Kill the container id

Example request:

POST /containers/e90e34656806/kill HTTP/1.1

Example response:

HTTP/1.1 204 OK
statuscode 204
no error
statuscode 404
no such container
statuscode 500
server error

Attach to a container

Attach to the container id

Example request:

POST /containers/16253994b7c4/attach?logs=1&stream=0&stdout=1 HTTP/1.1

Example response:

HTTP/1.1 200 OK
Content-Type: application/vnd.docker.raw-stream

{{ STREAM }}
query logs
1/True/true or 0/False/false, return logs. Default false
query stream
1/True/true or 0/False/false, return stream. Default false
query stdin
1/True/true or 0/False/false, if stream=true, attach to stdin. Default false
query stdout
1/True/true or 0/False/false, if logs=true, return stdout log, if stream=true, attach to stdout. Default false
query stderr
1/True/true or 0/False/false, if logs=true, return stderr log, if stream=true, attach to stderr. Default false
statuscode 200
no error
statuscode 400
bad parameter
statuscode 404
no such container
statuscode 500
server error

Wait a container

Block until container id stops, then returns the exit code

Example request:

POST /containers/16253994b7c4/wait HTTP/1.1

Example response:

HTTP/1.1 200 OK
Content-Type: application/json

{"StatusCode":0}
statuscode 200
no error
statuscode 404
no such container
statuscode 500
server error

Remove a container

Remove the container id from the filesystem

Example request:

DELETE /containers/16253994b7c4?v=1 HTTP/1.1

Example response:

HTTP/1.1 204 OK

query v
1/True/true or 0/False/false, Remove the volumes associated to the container. Default false :statuscode 204: no error
statuscode 400
bad parameter :statuscode 404: no such container :statuscode 500: server error

2.2 Images

List Images

List images format could be json or viz (json default)

Example request:

GET /images/json?all=0 HTTP/1.1

Example response:

HTTP/1.1 200 OK
Content-Type: application/json

[
 {
     "Repository":"ubuntu",
     "Tag":"precise",
     "Id":"b750fe79269d",
     "Created":1364102658
 },
 {
     "Repository":"ubuntu",
     "Tag":"12.04",
     "Id":"b750fe79269d",
     "Created":1364102658
 }
]

Example request:

GET /images/viz HTTP/1.1

Example response:

HTTP/1.1 200 OK
Content-Type: text/plain

digraph docker {
"d82cbacda43a" -> "074be284591f"
"1496068ca813" -> "08306dc45919"
"08306dc45919" -> "0e7893146ac2"
"b750fe79269d" -> "1496068ca813"
base -> "27cf78414709" [style=invis]
"f71189fff3de" -> "9a33b36209ed"
"27cf78414709" -> "b750fe79269d"
"0e7893146ac2" -> "d6434d954665"
"d6434d954665" -> "d82cbacda43a"
base -> "e9aa60c60128" [style=invis]
"074be284591f" -> "f71189fff3de"
"b750fe79269d" [label="b750fe79269d\nubuntu",shape=box,fillcolor="paleturquoise",style="filled,rounded"];
"e9aa60c60128" [label="e9aa60c60128\ncentos",shape=box,fillcolor="paleturquoise",style="filled,rounded"];
"9a33b36209ed" [label="9a33b36209ed\nfedora",shape=box,fillcolor="paleturquoise",style="filled,rounded"];
base [style=invisible]
}
query all
1/True/true or 0/False/false, Show all containers. Only running containers are shown by default
statuscode 200
no error
statuscode 400
bad parameter
statuscode 500
server error

Create an image

Create an image, either by pull it from the registry or by importing it

Example request:

POST /images/create?fromImage=ubuntu HTTP/1.1

Example response:

HTTP/1.1 200 OK

Content-Type: application/vnd.docker.raw-stream

{{ STREAM }}

query fromImage
name of the image to pull
query fromSrc
source to import, - means stdin :query repo: repository
query tag
tag
query registry
the registry to pull from :statuscode 200: no error :statuscode 500: server error

Insert a file in an image

Insert a file from url in the image name at path

Example request:

POST /images/test/insert?path=/usr&url=myurl HTTP/1.1

Example response:

HTTP/1.1 200 OK

{{ STREAM }}

statuscode 200
no error :statuscode 500: server error

Inspect an image

Return low-level information on the image name

Example request:

GET /images/centos/json HTTP/1.1

Example response:

HTTP/1.1 200 OK

Content-Type: application/json

{ "id":"b750fe79269d2ec9a3c593ef05b4332b1d1a02a62b4accb2c21d589ff2f5f2dc", "parent":"27cf784147099545", "created":"2013-03-23T22:24:18.818426-07:00", "container":"3d67245a8d72ecf13f33dffac9f79dcdf70f75acb84d308770391510e0c23ad0", "container_config": { "Hostname":"", "User":"", "Memory":0, "MemorySwap":0, "AttachStdin":false, "AttachStdout":false, "AttachStderr":false, "PortSpecs":null, "Tty":true, "OpenStdin":true, "StdinOnce":false, "Env":null, "Cmd": ["/bin/bash"] ,"Dns":null, "Image":"centos", "Volumes":null, "VolumesFrom":"" } }

statuscode 200
no error
statuscode 404
no such image :statuscode 500: server error

Get the history of an image

Return the history of the image name

Example request:

GET /images/fedora/history HTTP/1.1

Example response:

HTTP/1.1 200 OK

Content-Type: application/json

[

"Id":"b750fe79269d", "Created":1364102658, "CreatedBy":"/bin/bash"

}, { "Id":"27cf78414709", "Created":1364068391, "CreatedBy":"" } ]

statuscode 200
no error
statuscode 404
no such image
statuscode 500
server error

Push an image on the registry

Push the image name on the registry

Example request:

POST /images/test/push HTTP/1.1

Example response:

HTTP/1.1 200 OK

Content-Type: application/vnd.docker.raw-stream

{{ STREAM }}

query registry
the registry you wan to push, optional
statuscode 200
no error :statuscode 404: no such image :statuscode 500: server error

Tag an image into a repository

Tag the image name into a repository

Example request:

POST /images/test/tag?repo=myrepo&force=0 HTTP/1.1

Example response:

HTTP/1.1 201 OK
query repo
The repository to tag in
query force
1/True/true or 0/False/false, default false
statuscode 201
no error
statuscode 400
bad parameter
statuscode 404
no such image :statuscode 500: server error

Remove an image

Remove the image name from the filesystem

Example request:

DELETE /images/test HTTP/1.1

Example response:

HTTP/1.1 204 OK
statuscode 204
no error :statuscode 404: no such image :statuscode 500: server error

Search images

Search for an image in the docker index

Example request:

GET /images/search?term=sshd HTTP/1.1

Example response:

HTTP/1.1 200 OK
Content-Type: application/json

[
 {
     "Name":"cespare/sshd",
     "Description":""
 },
 {
     "Name":"johnfuller/sshd",
     "Description":""
 },
 {
     "Name":"dhrp/mongodb-sshd",
     "Description":""
 }
]

:query term: term to search
:statuscode 200: no error
:statuscode 500: server error

2.3 Misc

Build an image from Dockerfile via stdin

Build an image from Dockerfile via stdin

Example request:

POST /build HTTP/1.1

{{ STREAM }}

Example response:

HTTP/1.1 200 OK

{{ STREAM }}

query t
repository name to be applied to the resulting image in case of success
statuscode 200
no error :statuscode 500: server error

Get default username and email

Get the default username and email

Example request:

GET /auth HTTP/1.1

Example response:

HTTP/1.1 200 OK

Content-Type: application/json

{ "username":"hannibal", "email":"hannibal@a-team.com" }

statuscode 200
no error
statuscode 500
server error

Check auth configuration and store it

Get the default username and email

Example request:

POST /auth HTTP/1.1

Content-Type: application/json

{ "username":"hannibal", "password:"xxxx", "email":"hannibal@a-team.com" }

Example response:

HTTP/1.1 200 OK
statuscode 200
no error
statuscode 204
no error
statuscode 500
server error

Display system-wide information

Display system-wide information

Example request:

GET /info HTTP/1.1

Example response:

HTTP/1.1 200 OK

Content-Type: application/json

{ "Containers":11, "Images":16, "Debug":false, "NFd": 11, "NGoroutines":21, "MemoryLimit":true, "SwapLimit":false }

statuscode 200
no error
statuscode 500
server error

Show the docker version information

Show the docker version information

Example request:

GET /version HTTP/1.1

Example response:

HTTP/1.1 200 OK

Content-Type: application/json

{ "Version":"0.2.2", "GitCommit":"5a2a5cc+CHANGES", "GoVersion":"go1.0.3" }

statuscode 200
no error
statuscode 500
server error

Create a new image from a container's changes

Create a new image from a container's changes

Example request:

POST /commit?container=44c004db4b17&m=message&repo=myrepo HTTP/1.1
Content-Type: application/json

{
    "Cmd": ["cat", "/world"],
    "PortSpecs":["22"]
}

Example response:

HTTP/1.1 201 OK
Content-Type: application/vnd.docker.raw-stream

{"Id":"596069db4bf5"}
query container
source container
query repo
repository
query tag
tag
query m
commit message
query author
author (eg. "John Hannibal Smith <hannibal@a-team.com>")
statuscode 201
no error
statuscode 404
no such container
statuscode 500
server error

3. Going further

3.1 Inside 'docker run'

Here are the steps of 'docker run' :

  • Create the container
  • If the status code is 404, it means the image doesn't exists:
    • Try to pull it
    • Then retry to create the container
  • Start the container
  • If you are not in detached mode:
    • Attach to the container, using logs=1 (to have stdout and stderr from the container's start) and stream=1
  • If in detached mode or only stdin is attached:
    • Display the container's id

3.2 Hijacking

In this first version of the API, some of the endpoints, like /attach, /pull or /push uses hijacking to transport stdin, stdout and stderr on the same socket. This might change in the future.

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