moby--moby/docs/extend/manifest.md

aliases	title	description	keywords	advisory
/engine/extend/	Plugin manifest	How develop and use a plugin with the managed plugin system	API, Usage, plugins, documentation, developer	experimental

Plugin Manifest Version 0 of Plugin V2

This document outlines the format of the V0 plugin manifest. The plugin manifest described herein was introduced in the Docker daemon (experimental version) in the v1.12.0 release.

Plugin manifests describe the various constituents of a docker plugin. Plugin manifests can be serialized to JSON format with the following media types:

Manifest Type	Media Type
manifest	"application/vnd.docker.plugin.v0+json"

Manifest Field Descriptions

Manifest provides the base accessible fields for working with V0 plugin format in the registry.

• manifestVersion string

  version of the plugin manifest (This version uses V0)

• description string

  description of the plugin

• documentation string

  link to the documentation about the plugin

• interface PluginInterface

  interface implemented by the plugins, struct consisting of the following fields

  • types string array

    types indicate what interface(s) the plugin currently implements.

    currently supported:

    - docker.volumedriver/1.0

  • socket string

    socket is the name of the socket the engine should use to communicate with the plugins. the socket will be created in /run/docker/plugins.

• entrypoint string array

  entrypoint of the plugin, see ENTRYPOINT

• workdir string

  workdir of the plugin, see WORKDIR

• network PluginNetwork

  network of the plugin, struct consisting of the following fields

  • type string

    network type.

    currently supported:

    - bridge - host - none

• capabilities array

  capabilities of the plugin (Linux only), see list here

• mounts PluginMount array

  mount of the plugin, struct consisting of the following fields, see MOUNTS

  • name string

    name of the mount.

  • description string

    description of the mount.

  • source string

    source of the mount.

  • destination string

    destination of the mount.

  • type string

    mount type.

  • options string array

    options of the mount.

• devices PluginDevice array

  device of the plugin, (Linux only), struct consisting of the following fields, see DEVICES

  • name string

    name of the device.

  • description string

    description of the device.

  • path string

    path of the device.

• env PluginEnv array

  env of the plugin, struct consisting of the following fields

  • name string

    name of the env.

  • description string

    description of the env.

  • value string

    value of the env.

• args PluginArgs

  args of the plugin, struct consisting of the following fields

  • name string

    name of the env.

  • description string

    description of the env.

  • value string array

    values of the args.

Example Manifest

Example showing the 'tiborvass/no-remove' plugin manifest.

{
       	"manifestVersion": "v0",
       	"description": "A test plugin for Docker",
       	"documentation": "https://docs.docker.com/engine/extend/plugins/",
       	"entrypoint": ["plugin-no-remove", "/data"],
       	"interface" : {
       		"types": ["docker.volumedriver/1.0"],
       		"socket": "plugins.sock"
       	},
       	"network": {
       		"type": "host"
       	},

       	"mounts": [
       		{
       			"source": "/data",
       			"destination": "/data",
       			"type": "bind",
       			"options": ["shared", "rbind"]
       		},
       		{
       			"destination": "/foobar",
       			"type": "tmpfs"
       		}
       	],

       	"args": {
       		"name": "args",
       		"description": "command line arguments",
       		"value": []
       	},

       	"env": [
       		{
       			"name": "DEBUG",
       			"description": "If set, prints debug messages",
       			"value": "1"
       		}
       	],

       	"devices": [
       		{
       			"name": "device",
       			"description": "a host device to mount",
       			"path": "/dev/cpu_dma_latency"
       		}
       	]
}