Merge pull request #4065 from edx/jibsheet/install-newrelic-on-jenkins-admin

Tag on our standard nrsysmond rider for New Relic

playbooks/edx-east/jenkins_admin.yml

@@ -10,10 +10,8 @@
   become: True
   gather_facts: True
   vars:
-    serial_count: 1
     COMMON_SECURITY_UPDATES: yes
     SECURITY_UPGRADE_ON_ANSIBLE: true
-  serial: "{{ serial_count }}"
   roles:
     - aws
     - jenkins_admin
@@ -26,3 +24,5 @@
     #     crcSalt: <SOURCE>
     - role: splunkforwarder
       when: COMMON_ENABLE_SPLUNKFORWARDER
+    - role: newrelic
+      when: COMMON_ENABLE_NEWRELIC