add var for image building

ansible/roles/folding-client/defaults/main.yml

@@ -19,3 +19,5 @@ fah_manager: ""
 
 apply_updates: "false"
 
+make_image: "false"
+

ansible/roles/folding-client/tasks/config.yml

@@ -57,6 +57,7 @@
   when:
     - "'meta-terrafold_group_gpu_nodes' in group_names"
     - gridd_logs.stdout is not regex("License (acquired|renewed) successfully")
+    - not make_image
 
 - name: Ensure FAHClient is enabled and running
   sysvinit:
@@ -64,4 +65,4 @@
     state: "started"
     enabled: "yes"
     pattern: "/usr/bin/FAHClient"
-
+  when: not make_image

ansible/roles/folding-client/tasks/main.yml

@@ -12,7 +12,7 @@
     name: "UTC"
 
 #- { import_tasks: storage.yml, tags: ['storage'] }
-- { import_tasks: update.yml, tags: ['update'], when: apply_updates|bool }
+- { import_tasks: update.yml, tags: ['update'], when: apply_updates|bool or make_image }
 - { import_tasks: install.yml, tags: ['install'] }
 - { import_tasks: config.yml, tags: ['config'] }
 - { import_tasks: misc.yml, tags: ['misc'] }

ansible/roles/folding-client/tasks/misc.yml

@@ -5,4 +5,5 @@
     src: /var/lib/fahclient/log.txt
     dest: /home/centos/log.txt
     state: link
+  when: not make_image
 

ansible/roles/folding-client/templates/config.xml.j2

@@ -3,6 +3,14 @@
    so we try to match what it will write to maintain idempotence. 
    Also see: /usr/share/doc/fahclient/sample-config.xml
 #}
+{% if make_image}
+{# empty config if building an image #}
+<config>
+
+  <fold-anon v='false'/>
+
+</config>
+{% else %}
 <config>
   <!-- Slot Control -->
   <smp v='true'/>
@@ -15,4 +23,5 @@
 {% if 'meta-terrafold_group_gpu_nodes' in group_names %}
   <slot id='1' type='GPU'/>
 {% endif %}
-</config>
\ No newline at end of file
+</config>
+{% endif %}