moving custom variables to the default var definitions

playbooks/roles/edxapp/vars/main.yml

@@ -8,6 +8,11 @@
 # the defaults should be appropriate for running
 # all roles on a single instance
 
+# These are custom variables that can be overridden
+# on the command line to change specific values in the hash
+c_lms_base: ''
+c_preview_lms_base: ''
+
 #Use YAML references (& and *) and hash merge <<: to factor out shared settings
 #see http://atechie.net/2009/07/merging-hashes-in-yaml-conf-files/
 edxapp_generic_auth_config:  &edxapp_generic_auth
@@ -68,6 +73,7 @@ edxapp_generic_auth_config:  &edxapp_generic_auth
   'CELERY_BROKER_PASSWORD': ''
  
 generic_env_config:  &edxapp_generic_env
+  'LMS_BASE': "{{ c_lms_base }}"
   'BOOK_URL':  ''
   'CERT_QUEUE':  'certificates'
   'LOCAL_LOGLEVEL':  'INFO'
@@ -81,6 +87,7 @@ generic_env_config:  &edxapp_generic_env
     'ENABLE_PEARSON_HACK_TEST': false
     'SUBDOMAIN_BRANDING': false
     'SUBDOMAIN_COURSE_LISTINGS': false
+    'PREVIEW_LMS_BASE': "{{ c_preview_lms_base }}"
   'WIKI_ENABLED': true
   'SYSLOG_SERVER':  'syslog.a.m.i4x.org'
   'SITE_NAME':  'example.com'