Openstack Keystone plugin

This is a standalone backend plugin for use with Hashicorp Vault. This plugin provides the functionality to generate users in Openstack Keystone.

Getting Started

This is a Vault plugin and is meant to work with Vault. This guide assumes you have already installed Vault and have a basic understanding of how Vault works.

Otherwise, first read this guide on how to get started with Vault.

To learn specifically about how plugins work, see documentation on Vault plugins.

Build

• manually

go get github.com/parnurzeal/gorequest
go get github.com/hashicorp/vault/plugins
go get github.com/hashicorp/go-plugin
go get github.com/fatih/structs
go get github.com/google/gofuzz
go build -o vault_keystone_plugin .

• using build.sh

$ ./build.sh

Plugin binary will be builded in bin directory

Installation

Build the plugin.

Put the plugin binary into a location of your choice. This directory will be specified as the plugin_directory in the Vault config used to start the server.

{
..."plugin_directory" : "path/to/plugin/directory"...
}

Start a Vault server with this config file:

$ vault server -config=path/to/config.json ...

Adding plugin to Vault

• CLI

$ sha256sum vault_keystone_plugin
$ vault write sys/plugins/catalog/vault_keystone_plugin sha_256="<SHA from the previous step>" command="keystone"
$ vault mount -path=keystone -plugin-name=vault_keystone_plugin plugin

• API

$ curl -X PUT VAULT_URL/sys/plugins/catalog/keystone -d '{"sha_256" : "<SHA_256>", "command" : "keystone"}' \
-H 'content-type: application/json' -H "x-vault-token : <VAULT_TOKEN>"
$ curl -X POST VAULT_URL/sys/mounts/keystone \
-d '{"type": "plugin","plugin_name" : "keystone","config": {"default_lease_ttl": 0,"max_lease_ttl": 0,"force_no_cache": false}}' \
-H 'content-type: application/json' -H "x-vault-token : <VAULT_TOKEN>"
$ curl -X POST VAULT_URL/keystone/config/connection \
-d '{"connection_url" : "<KEYSTONE_HOST:KEYSTONE_PORT", "admin_auth_token" : "<AUTH_TOKEN>"}' \
-H 'content-type: application/json' -H "x-vault-token : <VAULT_TOKEN>"

Routes

keystone/config/connection

CLI write / API POST - set connection configuration

Parameters:

• connection_url : URL of your Keystone instance, formatted like keystone_host:port
• admin_auth_token : admin user token

keystone/users/{user}

• CLI write / API POST - register new user
• CLI read / API GET - save new user

Parameters:

• name
• default_project_id (optional)
• domain_id (optional)
• enabled (optional)
• password (optional)

keystone/users/{user}/credentials/OS-EC2

CLI write / API POST - generate new EC2-style credentials

Parameters:

• user_id
• tenant_id

keystone/groups

CLI write / API POST CLI read / API GET - generate new group

Parameters:

• name
• description (optional)
• domain_id (optional)

keystone/projects

• CLI write / API POST
• CLI read / API GET - generate new project

Parameters:

• name
• is_domain (optional)
• description (optional)
• domain_id (optional)
• enabled (optional)
• parent_id (optional)

keystone/domains

CLI write / API POST CLI read / API GET - generate new domain

Parameters:

• name
• description (optional)
• enabled (optional)

keystone/roles

CLI write / API POST CLI read / API GET - generate new role

Parameters:

• name
• domain_id (optional)

keystone/roles/{role}/groups/{group}/domains/{domain} action="grant"

CLI write / API POST - Assign role to group on domain

Parameters:

• domain_id
• group_id
• role_id

keystone/roles/{role}/users/{user}/domains/{domain} action="grant"

CLI write / API POST - Assign role to user on domain

Parameters:

• domain_id
• user_id
• role_id

keystone/roles/{role}/groups/{group}/projects/{project} action="grant"

CLI write / API POST - Assign role to group on project

Parameters:

• project_id
• group_id
• role_id

keystone/roles/{role}/users/{user}/projects/{project} action="grant"

CLI write / API POST - Assign role to user on project

Parameters:

• project_id
• user_id
• role_id

TODO:

• Groups
• Policies

License

This project is licensed under the BSD-3-Clause license - see the LICENSE.