Jinja more with_items and set a default for edx_service_repos.

playbooks/roles/edx_service/defaults/main.yml

@@ -16,6 +16,7 @@
 #
 edx_service_name: edx_service
 
+edx_service_repos: []
 #
 # OS packages
 #

playbooks/roles/edx_service/tasks/main.yml

@@ -137,8 +137,8 @@
         Value: "{{ item.0.DOMAIN }}/{{ item.0.PATH }}/{{ item.0.REPO }} {{ item.1.after |truncate(7,True,'') }}"
   when: item.1.after is defined and COMMON_TAG_EC2_INSTANCE and edx_service_repos is defined
   with_together: 
-    - edx_service_repos
-    - code_checkout.results
+    - "{{ edx_service_repos }}"
+    - "{{ code_checkout.results }}"
   tags:
     - to-remove