Previously this was only used for supervisor - also pass down

XQueue uses this previous config when connecting to NR from management
commands that are run outside of transactions.
It also needs the license key to ensure that the agent is connected.

CHANGELOG.md

@@ -2,7 +2,8 @@
   - Removed RabbitMQ in earlier changes in XQueue itself, we don't need any of the configuration
     XQUEUE_RABBITMQ_USER XQUEUE_RABBITMQ_PASS XQUEUE_RABBITMQ_VHOST XQUEUE_RABBITMQ_HOSTNAME 
     XQUEUE_RABBITMQ_PORT XQUEUE_RABBITMQ_TLS
-
+  - Added NEWRELIC_APPNAME and NEWRELIC_LICENSE_KEY to the configuration files consumed by XQueue.
+    Useful for external utilities that are reporting NR metrics.
     
 - Role edx_django_service
   - Added maintenance page under the flag EDX_DJANGO_SERVICE_ENABLE_S3_MAINTENANCE.

playbooks/roles/xqueue/defaults/main.yml

@@ -91,6 +91,7 @@ xqueue_env_config:
   LOCAL_LOGLEVEL: "{{ XQUEUE_LOCAL_LOGLEVEL }}"
   UPLOAD_BUCKET: "{{ XQUEUE_UPLOAD_BUCKET }}"
   UPLOAD_PATH_PREFIX: "{{ XQUEUE_UPLOAD_PATH_PREFIX }}"
+  NEWRELIC_APPNAME: "{{ XQUEUE_NEWRELIC_APPNAME }}"
 
 xqueue_auth_config:
   AWS_ACCESS_KEY_ID:  "{{ XQUEUE_AWS_ACCESS_KEY_ID }}"
@@ -115,6 +116,7 @@ xqueue_auth_config:
       ATOMIC_REQUESTS: True
       CONN_MAX_AGE: "{{ XQUEUE_MYSQL_CONN_MAX_AGE }}"
       OPTIONS: "{{ XQUEUE_MYSQL_OPTIONS }}"
+  NEWRELIC_LICENSE_KEY: "{{ NEWRELIC_LICENSE_KEY | default('') }}"
 
 xqueue_source_repo: "https://github.com/edx/xqueue.git"
 xqueue_version: 'master'