adding conditionals

playbooks/edx-east/xqwatcher.yml

@@ -10,7 +10,10 @@
     ENABLE_NEWRELIC: False
   roles:
     - aws
-    - datadog
-    - splunkforwarder
-    - newrelic
-    - xqwatcher    
+    - xqwatcher
+    - role: datadog
+      when: COMMON_ENABLE_DATADOG
+    - role: splunkforwarder
+      when: COMMON_ENABLE_SPLUNKFORWARDER
+    - role: newrelic
+      when: COMMON_ENABLE_NEWRELIC
\ No newline at end of file