Making settings a settable var by convention.

playbooks/roles/edxapp/defaults/main.yml

@@ -59,6 +59,9 @@ EDXAPP_MYSQL_REPLICA_PORT: "{{ EDXAPP_MYSQL_PORT }}"
 EDXAPP_MYSQL_HOST: 'localhost'
 EDXAPP_MYSQL_PORT: '3306'
 
+EDXAPP_LMS_ENV: 'lms.envs.aws'
+EDXAPP_CMS_ENV: 'cms.envs.aws'
+
 EDXAPP_EMAIL_BACKEND: 'django.core.mail.backends.smtp.EmailBackend'
 EDXAPP_EMAIL_HOST: 'localhost'
 EDXAPP_EMAIL_PORT: 25
@@ -650,9 +653,6 @@ service_variants_enabled:
   - lms
   - cms
 
-edxapp_lms_env: 'lms.envs.aws'
-edxapp_cms_env: 'cms.envs.aws'
-
 #Number of gunicorn worker processes to spawn, as a multiplier to number of virtual cores
 worker_core_mult:
   lms: 4

playbooks/roles/edxapp/templates/cms.conf.j2

@@ -24,7 +24,7 @@ command={{ executable }} {{ max_req }} --preload -b {{ edxapp_cms_gunicorn_host
 
 user={{ common_web_user }}
 directory={{ edxapp_code_dir }}
-environment={% if COMMON_ENABLE_NEWRELIC_APP %}NEW_RELIC_APP_NAME={{ EDXAPP_NEWRELIC_CMS_APPNAME }},NEW_RELIC_LICENSE_KEY={{ NEWRELIC_LICENSE_KEY }},{% endif -%}PORT={{edxapp_cms_gunicorn_port}},ADDRESS={{edxapp_cms_gunicorn_host}},LANG={{ EDXAPP_LANG }},DJANGO_SETTINGS_MODULE={{ edxapp_cms_env }},SERVICE_VARIANT="cms"
+environment={% if COMMON_ENABLE_NEWRELIC_APP %}NEW_RELIC_APP_NAME={{ EDXAPP_NEWRELIC_CMS_APPNAME }},NEW_RELIC_LICENSE_KEY={{ NEWRELIC_LICENSE_KEY }},{% endif -%}PORT={{edxapp_cms_gunicorn_port}},ADDRESS={{edxapp_cms_gunicorn_host}},LANG={{ EDXAPP_LANG }},DJANGO_SETTINGS_MODULE={{ EDXAPP_CMS_ENV }},SERVICE_VARIANT="cms"
 stdout_logfile={{ supervisor_log_dir }}/%(program_name)-stdout.log
 stderr_logfile={{ supervisor_log_dir }}/%(program_name)-stderr.log
 killasgroup=true

playbooks/roles/edxapp/templates/lms.conf.j2

@@ -25,7 +25,7 @@ command={{ executable }} {{ max_req }} --preload -b {{ edxapp_lms_gunicorn_host
 
 user={{ common_web_user }}
 directory={{ edxapp_code_dir }}
-environment={% if COMMON_ENABLE_NEWRELIC_APP %}NEW_RELIC_APP_NAME={{ EDXAPP_NEWRELIC_LMS_APPNAME }},NEW_RELIC_LICENSE_KEY={{ NEWRELIC_LICENSE_KEY }},{% endif -%}  PORT={{edxapp_lms_gunicorn_port}},ADDRESS={{edxapp_lms_gunicorn_host}},LANG={{ EDXAPP_LANG }},DJANGO_SETTINGS_MODULE={{ edxapp_lms_env }},SERVICE_VARIANT="lms",PATH="{{ edxapp_deploy_path }}"
+environment={% if COMMON_ENABLE_NEWRELIC_APP %}NEW_RELIC_APP_NAME={{ EDXAPP_NEWRELIC_LMS_APPNAME }},NEW_RELIC_LICENSE_KEY={{ NEWRELIC_LICENSE_KEY }},{% endif -%}  PORT={{edxapp_lms_gunicorn_port}},ADDRESS={{edxapp_lms_gunicorn_host}},LANG={{ EDXAPP_LANG }},DJANGO_SETTINGS_MODULE={{ EDXAPP_LMS_ENV }},SERVICE_VARIANT="lms",PATH="{{ edxapp_deploy_path }}"
 stdout_logfile={{ supervisor_log_dir }}/%(program_name)-stdout.log
 stderr_logfile={{ supervisor_log_dir }}/%(program_name)-stderr.log
 killasgroup=true