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rename plugin manifest

Signed-off-by: Victor Vieux <vieux@docker.com>
This commit is contained in:
Victor Vieux 2016-11-07 18:51:47 -08:00
parent d286734b41
commit 49ca91fbeb
12 changed files with 126 additions and 140 deletions

View file

@ -1213,7 +1213,7 @@ definitions:
Plugin:
description: "A plugin for the Remote API"
type: "object"
required: [Config, Enabled, Manifest, Name, Tag]
required: [Settings, Enabled, Config, Name, Tag]
properties:
Id:
type: "string"
@ -1227,7 +1227,7 @@ definitions:
description: "True when the plugin is running. False when the plugin is not running, only installed."
type: "boolean"
x-nullable: false
Config:
Settings:
description: "Settings that can be modified by users."
type: "object"
x-nullable: false
@ -1249,12 +1249,11 @@ definitions:
type: "array"
items:
$ref: "#/definitions/PluginDevice"
Manifest:
description: "The manifest of a plugin."
Config:
description: "The config of a plugin."
type: "object"
x-nullable: false
required:
- ManifestVersion
- Description
- Documentation
- Interface
@ -1267,9 +1266,6 @@ definitions:
- Env
- Args
properties:
ManifestVersion:
type: "string"
x-nullable: false
Description:
type: "string"
x-nullable: false

View file

@ -18,47 +18,26 @@ type Plugin struct {
// Id
ID string `json:"Id,omitempty"`
// manifest
// Required: true
Manifest PluginManifest `json:"Manifest"`
// name
// Required: true
Name string `json:"Name"`
// settings
// Required: true
Settings PluginSettings `json:"Settings"`
// tag
// Required: true
Tag string `json:"Tag"`
}
// PluginConfig Settings that can be modified by users.
// PluginConfig The config of a plugin.
// swagger:model PluginConfig
type PluginConfig struct {
// args
// Required: true
Args []string `json:"Args"`
// devices
// Required: true
Devices []PluginDevice `json:"Devices"`
// env
// Required: true
Env []string `json:"Env"`
// mounts
// Required: true
Mounts []PluginMount `json:"Mounts"`
}
// PluginManifest The manifest of a plugin.
// swagger:model PluginManifest
type PluginManifest struct {
// args
// Required: true
Args PluginManifestArgs `json:"Args"`
Args PluginConfigArgs `json:"Args"`
// capabilities
// Required: true
@ -86,11 +65,7 @@ type PluginManifest struct {
// interface
// Required: true
Interface PluginManifestInterface `json:"Interface"`
// manifest version
// Required: true
ManifestVersion string `json:"ManifestVersion"`
Interface PluginConfigInterface `json:"Interface"`
// mounts
// Required: true
@ -98,19 +73,19 @@ type PluginManifest struct {
// network
// Required: true
Network PluginManifestNetwork `json:"Network"`
Network PluginConfigNetwork `json:"Network"`
// user
User PluginManifestUser `json:"User,omitempty"`
User PluginConfigUser `json:"User,omitempty"`
// workdir
// Required: true
Workdir string `json:"Workdir"`
}
// PluginManifestArgs plugin manifest args
// swagger:model PluginManifestArgs
type PluginManifestArgs struct {
// PluginConfigArgs plugin config args
// swagger:model PluginConfigArgs
type PluginConfigArgs struct {
// description
// Required: true
@ -129,9 +104,9 @@ type PluginManifestArgs struct {
Value []string `json:"Value"`
}
// PluginManifestInterface The interface between Docker and the plugin
// swagger:model PluginManifestInterface
type PluginManifestInterface struct {
// PluginConfigInterface The interface between Docker and the plugin
// swagger:model PluginConfigInterface
type PluginConfigInterface struct {
// socket
// Required: true
@ -142,18 +117,18 @@ type PluginManifestInterface struct {
Types []PluginInterfaceType `json:"Types"`
}
// PluginManifestNetwork plugin manifest network
// swagger:model PluginManifestNetwork
type PluginManifestNetwork struct {
// PluginConfigNetwork plugin config network
// swagger:model PluginConfigNetwork
type PluginConfigNetwork struct {
// type
// Required: true
Type string `json:"Type"`
}
// PluginManifestUser plugin manifest user
// swagger:model PluginManifestUser
type PluginManifestUser struct {
// PluginConfigUser plugin config user
// swagger:model PluginConfigUser
type PluginConfigUser struct {
// g ID
GID uint32 `json:"GID,omitempty"`
@ -161,3 +136,24 @@ type PluginManifestUser struct {
// UID
UID uint32 `json:"UID,omitempty"`
}
// PluginSettings Settings that can be modified by users.
// swagger:model PluginSettings
type PluginSettings struct {
// args
// Required: true
Args []string `json:"Args"`
// devices
// Required: true
Devices []PluginDevice `json:"Devices"`
// env
// Required: true
Env []string `json:"Env"`
// mounts
// Required: true
Mounts []PluginMount `json:"Mounts"`
}

View file

@ -24,14 +24,14 @@ func validateTag(rawRepo string) error {
return err
}
// validateManifest ensures that a valid manifest.json is available in the given path
func validateManifest(path string) error {
dt, err := os.Open(filepath.Join(path, "manifest.json"))
// validateConfig ensures that a valid config.json is available in the given path
func validateConfig(path string) error {
dt, err := os.Open(filepath.Join(path, "config.json"))
if err != nil {
return err
}
m := types.PluginManifest{}
m := types.PluginConfig{}
err = json.NewDecoder(dt).Decode(&m)
dt.Close()
@ -64,8 +64,8 @@ func newCreateCommand(dockerCli *command.DockerCli) *cobra.Command {
options := pluginCreateOptions{}
cmd := &cobra.Command{
Use: "create [OPTIONS] reponame[:tag] PATH-TO-ROOTFS (rootfs + manifest.json)",
Short: "Create a plugin from a rootfs and manifest",
Use: "create [OPTIONS] reponame[:tag] PATH-TO-ROOTFS (rootfs + config.json)",
Short: "Create a plugin from a rootfs and config",
Args: cli.RequiresMinArgs(2),
RunE: func(cmd *cobra.Command, args []string) error {
options.repoName = args[0]
@ -96,7 +96,7 @@ func runCreate(dockerCli *command.DockerCli, options pluginCreateOptions) error
return err
}
if err := validateManifest(options.context); err != nil {
if err := validateConfig(options.context); err != nil {
return err
}

View file

@ -47,7 +47,7 @@ func runList(dockerCli *command.DockerCli, opts listOptions) error {
fmt.Fprintf(w, "\n")
for _, p := range plugins {
desc := strings.Replace(p.Manifest.Description, "\n", " ", -1)
desc := strings.Replace(p.Config.Description, "\n", " ", -1)
desc = strings.Replace(desc, "\r", " ", -1)
if !opts.noTrunc {
desc = stringutils.Ellipsis(desc, 45)

View file

@ -2,7 +2,7 @@
aliases: [
"/engine/extend/"
]
title: "Plugin manifest"
title: "Plugin config"
description: "How develop and use a plugin with the managed plugin system"
keywords: "API, Usage, plugins, documentation, developer"
advisory: "experimental"
@ -17,29 +17,25 @@ advisory: "experimental"
will be rejected.
-->
# Plugin Manifest Version 0 of Plugin V2
# Plugin Config 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
This document outlines the format of the V0 plugin config. The plugin
config described herein was introduced in the Docker daemon (experimental version) in the [v1.12.0
release](https://github.com/docker/docker/commit/f37117045c5398fd3dca8016ea8ca0cb47e7312b).
Plugin manifests describe the various constituents of a docker plugin. Plugin
manifests can be serialized to JSON format with the following media types:
Plugin configs describe the various constituents of a docker plugin. Plugin
configs can be serialized to JSON format with the following media types:
Manifest Type | Media Type
Config Type | Media Type
------------- | -------------
manifest | "application/vnd.docker.plugin.v0+json"
config | "application/vnd.docker.plugin.v0+json"
## *Manifest* Field Descriptions
## *Config* Field Descriptions
Manifest provides the base accessible fields for working with V0 plugin format
Config 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
@ -169,13 +165,13 @@ Manifest provides the base accessible fields for working with V0 plugin format
values of the args.
## Example Manifest
## Example Config
*Example showing the 'tiborvass/no-remove' plugin manifest.*
*Example showing the 'tiborvass/no-remove' plugin config.*
```
{
"manifestVersion": "v0",
"configVersion": "v0",
"description": "A test plugin for Docker",
"documentation": "https://docs.docker.com/engine/extend/plugins/",
"entrypoint": ["plugin-no-remove", "/data"],

View file

@ -141,7 +141,7 @@ a `plugins.json` with a single plugin installed.
{
"cd851ce43a403": {
"plugin": {
"Manifest": {
"Config": {
"Args": {
"Value": null,
"Settable": null,
@ -154,7 +154,6 @@ a `plugins.json` with a single plugin installed.
"Capabilities": [
"CAP_SYS_ADMIN"
],
"ManifestVersion": "v0",
"Description": "sshFS plugin for Docker",
"Documentation": "https://docs.docker.com/engine/extend/plugins/",
"Interface": {
@ -196,8 +195,8 @@ and two JSON files.
# ls -la /var/lib/docker/plugins/cd851ce43a403
total 12
drwx------ 19 root root 4096 Aug 8 17:56 rootfs
-rw-r--r-- 1 root root 50 Aug 8 17:56 plugin-config.json
-rw------- 1 root root 347 Aug 8 17:56 manifest.json
-rw-r--r-- 1 root root 50 Aug 8 17:56 plugin-settings.json
-rw------- 1 root root 347 Aug 8 17:56 config.json
```
#### The rootfs directory
@ -219,17 +218,16 @@ $ docker rm -vf "$id"
$ docker rmi rootfs
```
#### The manifest.json and plugin-config.json files
#### The config.json and plugin-settings.json files
The `manifest.json` file describes the plugin. The `plugin-config.json` file
The `config.json` file describes the plugin. The `plugin-settings.json` file
contains runtime parameters and is only required if your plugin has runtime
parameters. [See the Plugins Manifest reference](manifest.md).
parameters. [See the Plugins Config reference](config.md).
Consider the following `manifest.json` file.
Consider the following `config.json` file.
```json
{
"manifestVersion": "v0",
"description": "sshFS plugin for Docker",
"documentation": "https://docs.docker.com/engine/extend/plugins/",
"entrypoint": ["/go/bin/docker-volume-sshfs"],
@ -250,7 +248,7 @@ entrypoint and uses the `/run/docker/plugins/sshfs.sock` socket to communicate
with Docker Engine.
Consider the following `plugin-config.json` file.
Consider the following `plugin-settings.json` file.
```json
{
@ -264,8 +262,8 @@ Consider the following `plugin-config.json` file.
This plugin has no runtime parameters.
Each of these JSON files is included as part of `plugins.json`, as you can see
by looking back at the example above. After a plugin is installed, `manifest.json`
is read-only, but `plugin-config.json` is read-write, and includes all runtime
by looking back at the example above. After a plugin is installed, `config.json`
is read-only, but `plugin-settings.json` is read-write, and includes all runtime
configuration options for the plugin.
### Creating the plugin
@ -279,9 +277,9 @@ Follow these steps to create a plugin:
using `docker export`. See [The rootfs directory](#the-rootfs-directory) for
an example of creating a `rootfs`.
3. Create a `manifest.json` file in `/var/lib/docker/plugins/$id/`.
3. Create a `config.json` file in `/var/lib/docker/plugins/$id/`.
4. Create a `plugin-config.json` file if needed.
4. Create a `plugin-settings.json` file if needed.
5. Create or add a section to `/var/lib/docker/plugins/plugins.json`. Use
`<user>/<name>` as “Name” and `$id` as “Id”.

View file

@ -17,7 +17,7 @@ advisory: "experimental"
```markdown
Usage: docker plugin create [OPTIONS] reponame[:tag] PATH-TO-ROOTFS
create a plugin from the given PATH-TO-ROOTFS, which contains the plugin's root filesystem and the manifest file, manifest.json
create a plugin from the given PATH-TO-ROOTFS, which contains the plugin's root filesystem and the config file, config.json
Options:
--compress Compress the context using gzip
@ -25,7 +25,7 @@ Options:
```
Creates a plugin. Before creating the plugin, prepare the plugin's root filesystem as well as
the manifest.json (https://github.com/docker/docker/blob/master/docs/extend/manifest.md)
the config.json (https://github.com/docker/docker/blob/master/docs/extend/config.md)
The following example shows how to create a sample `plugin`.
@ -34,7 +34,7 @@ The following example shows how to create a sample `plugin`.
$ ls -ls /home/pluginDir
4 -rw-r--r-- 1 root root 431 Nov 7 01:40 manifest.json
4 -rw-r--r-- 1 root root 431 Nov 7 01:40 config.json
0 drwxr-xr-x 19 root root 420 Nov 7 01:40 rootfs
$ docker plugin create plugin /home/pluginDir

View file

@ -123,12 +123,12 @@ func (s *DockerSuite) TestPluginSet(c *check.C) {
out, _ := dockerCmd(c, "plugin", "install", "--grant-all-permissions", "--disable", pName)
c.Assert(strings.TrimSpace(out), checker.Contains, pName)
env, _ := dockerCmd(c, "plugin", "inspect", "-f", "{{.Config.Env}}", pName)
env, _ := dockerCmd(c, "plugin", "inspect", "-f", "{{.Settings.Env}}", pName)
c.Assert(strings.TrimSpace(env), checker.Equals, "[DEBUG=0]")
dockerCmd(c, "plugin", "set", pName, "DEBUG=1")
env, _ = dockerCmd(c, "plugin", "inspect", "-f", "{{.Config.Env}}", pName)
env, _ = dockerCmd(c, "plugin", "inspect", "-f", "{{.Settings.Env}}", pName)
c.Assert(strings.TrimSpace(env), checker.Equals, "[DEBUG=1]")
}
@ -137,7 +137,7 @@ func (s *DockerSuite) TestPluginInstallArgs(c *check.C) {
out, _ := dockerCmd(c, "plugin", "install", "--grant-all-permissions", "--disable", pName, "DEBUG=1")
c.Assert(strings.TrimSpace(out), checker.Contains, pName)
env, _ := dockerCmd(c, "plugin", "inspect", "-f", "{{.Config.Env}}", pName)
env, _ := dockerCmd(c, "plugin", "inspect", "-f", "{{.Settings.Env}}", pName)
c.Assert(strings.TrimSpace(env), checker.Equals, "[DEBUG=1]")
}

View file

@ -46,7 +46,7 @@ func (pm *Manager) Enable(name string) error {
return nil
}
// Inspect examines a plugin manifest
// Inspect examines a plugin config
func (pm *Manager) Inspect(name string) (tp types.Plugin, err error) {
p, err := pm.pluginStore.GetByName(name)
if err != nil {
@ -115,7 +115,7 @@ func (pm *Manager) Push(name string, metaHeader http.Header, authConfig *types.A
return err
}
dest := filepath.Join(pm.libRoot, p.GetID())
config, err := ioutil.ReadFile(filepath.Join(dest, "manifest.json"))
config, err := ioutil.ReadFile(filepath.Join(dest, "config.json"))
if err != nil {
return err
}
@ -180,7 +180,7 @@ func (pm *Manager) Set(name string, args []string) error {
}
// CreateFromContext creates a plugin from the given pluginDir which contains
// both the rootfs and the manifest.json and a repoName with optional tag.
// both the rootfs and the config.json and a repoName with optional tag.
func (pm *Manager) CreateFromContext(ctx context.Context, tarCtx io.Reader, options *types.PluginCreateOptions) error {
pluginID := stringid.GenerateNonCryptoID()

View file

@ -20,7 +20,7 @@ import (
"golang.org/x/net/context"
)
// PullData is the plugin manifest and the rootfs
// PullData is the plugin config and the rootfs
type PullData interface {
Config() ([]byte, error)
Layer() (io.ReadCloser, error)
@ -183,7 +183,7 @@ func WritePullData(pd PullData, dest string, extract bool) error {
}
if extract {
if err := ioutil.WriteFile(filepath.Join(dest, "manifest.json"), config, 0600); err != nil {
if err := ioutil.WriteFile(filepath.Join(dest, "config.json"), config, 0600); err != nil {
return err
}

View file

@ -11,8 +11,8 @@ func TestFilterByCapNeg(t *testing.T) {
p := v2.NewPlugin("test", "1234567890", "/run/docker", "/var/lib/docker/plugins", "latest")
iType := types.PluginInterfaceType{"volumedriver", "docker", "1.0"}
i := types.PluginManifestInterface{"plugins.sock", []types.PluginInterfaceType{iType}}
p.PluginObj.Manifest.Interface = i
i := types.PluginConfigInterface{"plugins.sock", []types.PluginInterfaceType{iType}}
p.PluginObj.Config.Interface = i
_, err := p.FilterByCap("foobar")
if err == nil {
@ -24,8 +24,8 @@ func TestFilterByCapPos(t *testing.T) {
p := v2.NewPlugin("test", "1234567890", "/run/docker", "/var/lib/docker/plugins", "latest")
iType := types.PluginInterfaceType{"volumedriver", "docker", "1.0"}
i := types.PluginManifestInterface{"plugins.sock", []types.PluginInterfaceType{iType}}
p.PluginObj.Manifest.Interface = i
i := types.PluginConfigInterface{"plugins.sock", []types.PluginInterfaceType{iType}}
p.PluginObj.Config.Interface = i
_, err := p.FilterByCap("volumedriver")
if err != nil {

View file

@ -73,7 +73,7 @@ func (p *Plugin) Name() string {
// FilterByCap query the plugin for a given capability.
func (p *Plugin) FilterByCap(capability string) (*Plugin, error) {
capability = strings.ToLower(capability)
for _, typ := range p.PluginObj.Manifest.Interface.Types {
for _, typ := range p.PluginObj.Config.Interface.Types {
if typ.Capability == capability && typ.Prefix == "docker" {
return p, nil
}
@ -86,39 +86,39 @@ func (p *Plugin) RemoveFromDisk() error {
return os.RemoveAll(p.RuntimeSourcePath)
}
// InitPlugin populates the plugin object from the plugin manifest file.
// InitPlugin populates the plugin object from the plugin config file.
func (p *Plugin) InitPlugin() error {
dt, err := os.Open(filepath.Join(p.LibRoot, p.PluginObj.ID, "manifest.json"))
dt, err := os.Open(filepath.Join(p.LibRoot, p.PluginObj.ID, "config.json"))
if err != nil {
return err
}
err = json.NewDecoder(dt).Decode(&p.PluginObj.Manifest)
err = json.NewDecoder(dt).Decode(&p.PluginObj.Config)
dt.Close()
if err != nil {
return err
}
p.PluginObj.Config.Mounts = make([]types.PluginMount, len(p.PluginObj.Manifest.Mounts))
for i, mount := range p.PluginObj.Manifest.Mounts {
p.PluginObj.Config.Mounts[i] = mount
p.PluginObj.Settings.Mounts = make([]types.PluginMount, len(p.PluginObj.Config.Mounts))
for i, mount := range p.PluginObj.Config.Mounts {
p.PluginObj.Settings.Mounts[i] = mount
}
p.PluginObj.Config.Env = make([]string, 0, len(p.PluginObj.Manifest.Env))
for _, env := range p.PluginObj.Manifest.Env {
p.PluginObj.Settings.Env = make([]string, 0, len(p.PluginObj.Config.Env))
for _, env := range p.PluginObj.Config.Env {
if env.Value != nil {
p.PluginObj.Config.Env = append(p.PluginObj.Config.Env, fmt.Sprintf("%s=%s", env.Name, *env.Value))
p.PluginObj.Settings.Env = append(p.PluginObj.Settings.Env, fmt.Sprintf("%s=%s", env.Name, *env.Value))
}
}
copy(p.PluginObj.Config.Args, p.PluginObj.Manifest.Args.Value)
copy(p.PluginObj.Settings.Args, p.PluginObj.Config.Args.Value)
return p.writeConfig()
return p.writeSettings()
}
func (p *Plugin) writeConfig() error {
f, err := os.Create(filepath.Join(p.LibRoot, p.PluginObj.ID, "plugin-config.json"))
func (p *Plugin) writeSettings() error {
f, err := os.Create(filepath.Join(p.LibRoot, p.PluginObj.ID, "plugin-settings.json"))
if err != nil {
return err
}
err = json.NewEncoder(f).Encode(&p.PluginObj.Config)
err = json.NewEncoder(f).Encode(&p.PluginObj.Settings)
f.Close()
return err
}
@ -139,9 +139,9 @@ func (p *Plugin) Set(args []string) error {
next:
for _, s := range sets {
// range over all the envs in the manifest
for _, env := range p.PluginObj.Manifest.Env {
// found the env in the manifest
// range over all the envs in the config
for _, env := range p.PluginObj.Config.Env {
// found the env in the config
if env.Name == s.name {
// is it settable ?
if ok, err := s.isSettable(allowedSettableFieldsEnv, env.Settable); err != nil {
@ -149,8 +149,8 @@ next:
} else if !ok {
return fmt.Errorf("%q is not settable", s.prettyName())
}
// is it, so lets update the config in memory
updateConfigEnv(&p.PluginObj.Config.Env, &s)
// is it, so lets update the settings in memory
updateConfigEnv(&p.PluginObj.Settings.Env, &s)
continue next
}
}
@ -160,14 +160,14 @@ next:
return fmt.Errorf("setting %q not found in the plugin configuration", s.name)
}
// update the config on disk
return p.writeConfig()
// update the settings on disk
return p.writeSettings()
}
// ComputePrivileges takes the manifest file and computes the list of access necessary
// ComputePrivileges takes the config file and computes the list of access necessary
// for the plugin on the host.
func (p *Plugin) ComputePrivileges() types.PluginPrivileges {
m := p.PluginObj.Manifest
m := p.PluginObj.Config
var privileges types.PluginPrivileges
if m.Network.Type != "null" && m.Network.Type != "bridge" {
privileges = append(privileges, types.PluginPrivilege{
@ -225,7 +225,7 @@ func (p *Plugin) GetSocket() string {
p.RLock()
defer p.RUnlock()
return p.PluginObj.Manifest.Interface.Socket
return p.PluginObj.Config.Interface.Socket
}
// GetTypes returns the interface types of a plugin.
@ -233,7 +233,7 @@ func (p *Plugin) GetTypes() []types.PluginInterfaceType {
p.RLock()
defer p.RUnlock()
return p.PluginObj.Manifest.Interface.Types
return p.PluginObj.Config.Interface.Types
}
// InitSpec creates an OCI spec from the plugin's config.
@ -241,10 +241,10 @@ func (p *Plugin) InitSpec(s specs.Spec, libRoot string) (*specs.Spec, error) {
rootfs := filepath.Join(libRoot, p.PluginObj.ID, "rootfs")
s.Root = specs.Root{
Path: rootfs,
Readonly: false, // TODO: all plugins should be readonly? settable in manifest?
Readonly: false, // TODO: all plugins should be readonly? settable in config?
}
mounts := append(p.PluginObj.Config.Mounts, types.PluginMount{
mounts := append(p.PluginObj.Settings.Mounts, types.PluginMount{
Source: &p.RuntimeSourcePath,
Destination: defaultPluginRuntimeDestination,
Type: "bind",
@ -274,12 +274,12 @@ func (p *Plugin) InitSpec(s specs.Spec, libRoot string) (*specs.Spec, error) {
s.Mounts = append(s.Mounts, m)
}
envs := make([]string, 1, len(p.PluginObj.Config.Env)+1)
envs := make([]string, 1, len(p.PluginObj.Settings.Env)+1)
envs[0] = "PATH=" + system.DefaultPathEnv
envs = append(envs, p.PluginObj.Config.Env...)
envs = append(envs, p.PluginObj.Settings.Env...)
args := append(p.PluginObj.Manifest.Entrypoint, p.PluginObj.Config.Args...)
cwd := p.PluginObj.Manifest.Workdir
args := append(p.PluginObj.Config.Entrypoint, p.PluginObj.Settings.Args...)
cwd := p.PluginObj.Config.Workdir
if len(cwd) == 0 {
cwd = "/"
}