Externalize migration settings.

playbooks/edx-east/edx_vpc.yml

@@ -36,8 +36,8 @@
       - lms-preview
     - role: 'edxapp'
       edxapp_lms_env: 'lms.envs.load_test'
-#      migrate_db: 'yes'
-#      openid_workaround: 'yes'
+      migrate_db: '{{ RUN_EDXAPP_MIGRATION }}'
+      openid_workaround: 'yes'
     - splunkforwarder
 - hosts: tag_role_edxapp:!first_in_tag_role_edxapp
   sudo: True
@@ -116,7 +116,7 @@
       nginx_sites:
       - xqueue
     - role: xqueue
-#      migrate_db: 'yes'
+      migrate_db: '{{ RUN_XQUEUE_MIGRATION }}'
     - splunkforwarder
 - hosts: tag_role_xqueue:!first_in_tag_role_xqueue
   sudo: True