Add playbooks for building compute gpu and base node images.

ansible/node-compute.yml

+---
+- name: Run a play
+  ansible.builtin.import_playbook: node.yml
+  
+- name: Setup node for use as a virtual compute node
+  hosts: default
+  become: true
+  roles:
+    - { name: 'compute_packages', tags: 'compute_packages' }
+    - { name: 'pam_slurm_adopt', tags: 'pam_slurm_adopt' }

ansible/node-gpu.yml

 ---
-- name: Setup node for use as a cluster host with gpu packages
+- name: Run a play
+  ansible.builtin.import_playbook: node-compute.yml
+
+- name: Setup node for use as a cluster host with gpu drivers/pkgs
   hosts: default
   become: true
   roles:
-    - cheaha.node
+    - { name: 'nvidia_driver', tags: 'nvidia_driver' }

ansible/node.yml

@@ -3,5 +3,5 @@
   hosts: default
   become: true
   roles:
-    - cheaha.node
-    - lmod_user
+    - { name: 'cheaha.node', tags: 'cheaha.node' }
+    - { name: 'lmod_user', tags: 'lmod_user' }