Are you testing something like the following?
location:
jclouds:openstack-devtest-compute:
endpoint: https://x.x.x.x:5000/v2.0/
identity: "my-tenant:my-username"
credential: password
# optional as it should try `ubuntu` anyway - loginUser: ubuntu
loginUser.privateKeyData: /path/to/private/key/for/loginUser
# optional
imageId: RegionOne/image-id
hardwareId: RegionOne/2
templateOptions:
networks: [ "network-id" ]
floatingIpPoolNames: [ "name-of-my-floatingIp-pool" ]
securityGroups: [ "security-group-name" ]
services:
- type: brooklyn.entity.basic.EmptySoftwareProcess