Can this be done? Yup! (you do need a recent fully functioning vagrant installation but if you are here, chances are that you do. If not, head to http://www.vagrantup.com/.
Get started, practice spining up local machine and get enlightened! Once you are done, keep on reading)
First, setup an ssh key via the runabove control panel. We will need that to connect into the instance once it's setup.
In OpenStack Horizon, under Access & Security, then under Key Pairs and finally clicking the import Key Pair button gives instruction on how to generate and import a key.
Next, hit https://github.com/cloudbau/vagrant-openstack-plugin. The doc should get you going pretty fast. Only 2 commands are needed:
vagrant plugin install vagrant-openstack-plugin vagrant box add dummy https://github.com/cloudbau/vagrant-openstack plugin/raw/master/dummy.box
Once you are done, it's time to build a Vagrantfile, you can use this as a starting point:
Vagrant.configure("2") do |config| config.vm.box = "dummy" # Make sure the private key from the key pair is provided config.ssh.private_key_path = "/path/to/your/id_rsa" config.vm.provider :openstack do |os| os.username = "[your-runabove-username]" os.api_key = "[yourS3cre7pa55w0rd]" os.flavor = /[name-of-the-instance-model]/ os.image = /[name-of-the-desired-os]/ os.endpoint = "https://auth.runabove.io/v2.0/tokens" os.keypair_name = "[name-of-the-key-you-uploaded]"[/ os.ssh_username = "admin" os.network = "Ext-Net" end end
Replace everything between the tags  with your information (including the square braquets, you don't need them). Don't forget to add your provisioner stuff in there. You probably want to use a shell provisioner to bootstrap your favorite DevOps tool.
And deploy vagrant inside openstack
Once you are happy with the configuration simply do a:
vagrant up --provider=openstack
Well that's it! you now have a very powerfull dev box!