Add and update vars.

Add a new overridable var for the ORA2_FILE_PREFIX and
update the default value of the newrelic application names.

playbooks/roles/edxapp/defaults/main.yml

@@ -216,8 +216,10 @@ EDXAPP_XML_FROM_GIT: false
 EDXAPP_XML_S3_BUCKET: !!null
 EDXAPP_XML_S3_KEY: !!null
 
-EDXAPP_NEWRELIC_LMS_APPNAME: "edX-LMS"
-EDXAPP_NEWRELIC_CMS_APPNAME: "edX-CMS"
+EDXAPP_NEWRELIC_LMS_APPNAME: "{{COMMON_ENVIRONMENT}}-{{COMMON_DEPLOYMENT}}-edxapp-lms"
+EDXAPP_NEWRELIC_CMS_APPNAME: "{{COMMON_ENVIRONMENT}}-{{COMMON_DEPLOYMENT}}-edxapp-cms"
+
+EDXAPP_ORA2_FILE_PREFIX: '{{COMMON_ENVIRONMENT}}-{{COMMON_DEPLOYMENT}}/ora2'
 #-------- Everything below this line is internal to the role ------------
 
 #Use YAML references (& and *) and hash merge <<: to factor out shared settings
@@ -464,6 +466,7 @@ generic_env_config:  &edxapp_generic_env
   PRESS_EMAIL: $EDXAPP_PRESS_EMAIL
   PLATFORM_TWITTER_ACCOUNT: $EDXAPP_PLATFORM_TWITTER_ACCOUNT
   PLATFORM_FACEBOOK_ACCOUNT: $EDXAPP_PLATFORM_FACEBOOK_ACCOUNT
+  ORA2_FILE_PREFIX: $EDXAPP_ORA2_FILE_PREFIX
 
 lms_auth_config:
   <<: *edxapp_generic_auth