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add some plugin manifest reference doc
Signed-off-by: Victor Vieux <vieux@docker.com>
This commit is contained in:
Victor Vieux
parent
0ebb18102f
commit
44a16acff1
2 changed files with 230 additions and 8 deletions
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@ -151,7 +151,7 @@ drwxr-xr-x 3 root root 4096 Aug 8 17:56 cd851ce43a403
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"Capabilities": [
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"CAP_SYS_ADMIN"
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],
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"ManifestVersion": "v0.1",
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"ManifestVersion": "v0",
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"Description": "sshFS plugin for Docker",
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"Documentation": "https://docs.docker.com/engine/extend/plugins/",
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"Interface": {
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@ -212,23 +212,23 @@ $ docker rmi rootfs
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```
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`manifest.json` describes the plugin and `plugin-config.json` contains some
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runtime parameters. For example:
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runtime parameters. [See the Plugins Manifest reference](manifest.md). For example:
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```bash
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# cat manifest.json
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{
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"manifestVersion": "v0.1",
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"manifestVersion": "v0",
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"description": "sshFS plugin for Docker",
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"documentation": "https://docs.docker.com/engine/extend/plugins/",
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"entrypoint": ["/go/bin/docker-volume-sshfs"],
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"network": {
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"type": "host"
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},
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"interface" : {
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"types": ["docker.volumedriver/1.0"],
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"socket": "sshfs.sock"
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},
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"capabilities": ["CAP_SYS_ADMIN"]
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"interface" : {
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"types": ["docker.volumedriver/1.0"],
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"socket": "sshfs.sock"
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},
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"capabilities": ["CAP_SYS_ADMIN"]
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}
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```
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222
docs/extend/manifest.md
Normal file
222
docs/extend/manifest.md
Normal file
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@ -0,0 +1,222 @@
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<!--[metadata]>
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+++
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aliases = [
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"/engine/extend/"
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]
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title = "Plugin manifest"
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description = "How develop and use a plugin with the managed plugin system"
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keywords = ["API, Usage, plugins, documentation, developer"]
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advisory = "experimental"
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[menu.main]
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parent = "engine_extend"
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weight=1
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+++
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<![end-metadata]-->
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# Plugin Manifest Version 0 of Plugin V2
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This document outlines the format of the V0 plugin manifest. The plugin
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manifest described herein was introduced in the Docker daemon (experimental version) in the [v1.12.0
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release](https://github.com/docker/docker/commit/f37117045c5398fd3dca8016ea8ca0cb47e7312b).
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Plugin manifests describe the various constituents of a docker plugin. Plugin
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manifests can be serialized to JSON format with the following media types:
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Manifest Type | Media Type
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------------- | -------------
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manifest | "application/vnd.docker.plugin.v0+json"
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## *Manifest* Field Descriptions
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Manifest provides the base accessible fields for working with V0 plugin format
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in the registry.
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- **`manifestVersion`** *string*
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version of the plugin manifest (This version uses V0)
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- **`description`** *string*
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description of the plugin
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- **`documentation`** *string*
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link to the documentation about the plugin
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- **`interface`** *PluginInterface*
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interface implemented by the plugins, struct consisting of the following fields
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- **`types`** *string array*
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types indicate what interface(s) the plugin currently implements.
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currently supported:
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- **docker.volumedriver/1.0**
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- **`socket`** *string*
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socket is the name of the socket the engine should use to communicate with the plugins.
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the socket will be created in `/run/docker/plugins`.
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- **`entrypoint`** *string array*
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entrypoint of the plugin, see [`ENTRYPOINT`](../reference/builder.md#entrypoint)
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- **`workdir`** *string*
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workdir of the plugin, see [`WORKDIR`](../reference/builder.md#workdir)
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- **`network`** *PluginNetwork*
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network of the plugin, struct consisting of the following fields
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- **`type`** *string*
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network type.
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currently supported:
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- **bridge**
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- **host**
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- **none**
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- **`capabilities`** *array*
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capabilities of the plugin (*Linux only*), see list [`here`](https://github.com/opencontainers/runc/blob/master/libcontainer/SPEC.md#security)
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- **`mounts`** *PluginMount array*
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mount of the plugin, struct consisting of the following fields, see [`MOUNTS`](https://github.com/opencontainers/runtime-spec/blob/master/config.md#mounts)
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- **`name`** *string*
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name of the mount.
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- **`description`** *string*
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description of the mount.
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- **`source`** *string*
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source of the mount.
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- **`destination`** *string*
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destination of the mount.
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- **`type`** *string*
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mount type.
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- **`options`** *string array*
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options of the mount.
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- **`devices`** *PluginDevice array*
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device of the plugin, (*Linux only*), struct consisting of the following fields, see [`DEVICES`](https://github.com/opencontainers/runtime-spec/blob/master/config-linux.md#devices)
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- **`name`** *string*
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name of the device.
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- **`description`** *string*
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description of the device.
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- **`path`** *string*
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path of the device.
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- **`env`** *PluginEnv array*
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env of the plugin, struct consisting of the following fields
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- **`name`** *string*
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name of the env.
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- **`description`** *string*
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description of the env.
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- **`value`** *string*
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value of the env.
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- **`args`** *PluginArgs*
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args of the plugin, struct consisting of the following fields
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- **`name`** *string*
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name of the env.
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- **`description`** *string*
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description of the env.
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- **`value`** *string array*
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values of the args.
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## Example Manifest
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*Example showing the 'tiborvass/no-remove' plugin manifest.*
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```
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{
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"manifestVersion": "v0",
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"description": "A test plugin for Docker",
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"documentation": "https://docs.docker.com/engine/extend/plugins/",
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"entrypoint": ["plugin-no-remove", "/data"],
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"interface" : {
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"types": ["docker.volumedriver/1.0"],
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"socket": "plugins.sock"
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},
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"network": {
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"type": "host"
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},
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"mounts": [
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{
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"source": "/data",
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"destination": "/data",
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"type": "bind",
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"options": ["shared", "rbind"]
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},
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{
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"destination": "/foobar",
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"type": "tmpfs"
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}
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],
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"args": {
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"name": "args",
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"description": "command line arguments",
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"value": []
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},
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"env": [
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{
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"name": "DEBUG",
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"description": "If set, prints debug messages",
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"value": "1"
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}
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],
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"devices": [
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{
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"name": "device",
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"description": "a host device to mount",
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"path": "/dev/cpu_dma_latency"
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}
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]
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}
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```
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