VOMS authentication plugin for Openstack clients

This is a plugin for OpenStack Clients which provides client support for VOMS authentication extensions to OpenStack.

Installation

Install it via pip:

pip install voms-auth-system-openstack

Or clone the repo and install it:

git clone https://github.com/IFCA/voms-auth-system-openstack
cd voms-auth-system-openstack
python setup.py install

Usage

CLI

You have to specify the voms in the --os_auth-system option and provide a valid proxy with --x509-user-proxy:

nova --os-auth-system voms --x509-user-proxy /tmp/x509up_u1000 credentials

API

import novaclient
import novaclient.auth_plugin
import novaclient.client

username = password = None
tenant = "foo"
url = "https://example.org:5000/v2.0/"
version = 2

auth_system = "voms"
novaclient.auth_plugin.discover_auth_systems()
auth_plugin = novaclient.auth_plugin.load_plugin(auth_system)
auth_plugin.opts["x509_user_proxy"] = "/path/to/your/proxy"

client =  novaclient.client.Client(version, username, password,
                                    tenant, url,
                                    auth_plugin=auth_plugin,
                                    auth_system=auth_system)