Password injection requires either hypervisor-support or an agent running in the guest that will talk to the metadata service. It can be disabled for a deployment using the '[api] enable_instance_password' nova config option. Indicate this, albeit briefly. Change-Id: Ief94ea07fc7ab6a487af972e8759ca6704d8f085 Signed-off-by: Stephen Finucane <sfinucan@redhat.com>