sudo mkdir /atomic_images
sudo cp ~/rhel-atomic-cloud-7.2-10.x86_64.qcow2 /atomic_images/rhel-atomic.qcow2
virsh pool-define-as guest-images dir - - - - /atomic_images/
virsh pool-build guest-images
virsh pool-start guest-images
virsh pool-refresh guest-images

Let foreman know about the image

Switch back to Any Location.
Navigate to Infrastructure > Compute Resources
Click on the lab-host compute resource
Click the Images tab
Click ‘New Image’
Enter:
Name: Atomic
Operating System: Red Hat Enterprise Linux Atomic Host 7.2
Architecture: x86_64
Username: root
Password:  <Leave Blank>
User Data: <Checked>
Image path: /atomic_images/rhel-atomic.qcow2
Ensure that the User Data box is checked
Click Submit