Enable turning off browser monitoring when new relic is disabled

app/config.py

@@ -1,6 +1,7 @@
 import json
 from os import getenv
 
+import newrelic.agent
 import pytz
 
 from app.cloudfoundry_config import cloud_config
@@ -33,6 +34,8 @@ class Config(object):
     NR_AGENT_ID = getenv('NR_AGENT_ID')
     NR_APP_ID = getenv('NR_APP_ID')
     NR_BROWSER_KEY = getenv('NR_BROWSER_KEY')
+    settings = newrelic.agent.global_settings()
+    NR_MONITOR_ON = settings and settings.monitor_mode
 
     TEMPLATE_PREVIEW_API_HOST = getenv('TEMPLATE_PREVIEW_API_HOST', 'http://localhost:9999')
     TEMPLATE_PREVIEW_API_KEY = getenv('TEMPLATE_PREVIEW_API_KEY', 'my-secret-key')

app/templates/main_template.html

@@ -10,7 +10,10 @@
     <title>{% block pageTitle %}U.S. Notify{% endblock %}</title>
     <meta name="viewport" content="width=device-width, initial-scale=1, viewport-fit=cover">
     <meta name="theme-color" content="{{ themeColor | default('#0b0c0c') }}" /> {# Hardcoded value of $govuk-black #}
-    {% include "partials/newrelic.html" -%}
+    {% if config['NR_MONITOR_ON'] %}
+      {% include "partials/newrelic.html" -%}
+    {% endif %}
+
     {# Ensure that older IE versions always render with the correct rendering engine #}
     <meta http-equiv="X-UA-Compatible" content="IE=edge" />
 

newrelic.ini

@@ -45,7 +45,7 @@ distributed_tracing.enabled = true
 # application and reports this data to the New Relic UI at
 # newrelic.com. This global switch is normally overridden for
 # each environment below.
-monitor_mode = true
+monitor_mode = false
 
 # Sets the name of a file to log agent messages to. Useful for
 # debugging any issues with the agent. This is not set by