Add hostname to GoogleAnalyticsTrackingPixel.

openedx/core/djangoapps/ace_common/templatetags/ace.py

@@ -108,6 +108,7 @@ def _get_google_analytics_tracking_url(context):
             message.send_uuid,
             message.uuid,
         ),
+        document_host=site.domain.rstrip('/')
     )
     course_ids = context.get('course_ids')
     if course_ids is not None and len(course_ids) > 0:

openedx/core/djangoapps/ace_common/tests/test_templatetags.py

@@ -102,7 +102,8 @@ class TestGoogleAnalyticsPixelTag(QueryStringAssertionMixin, EmailTemplateTagMix
             dp='/email/test_app_label/test_name/{send_uuid}/{uuid}'.format(
                 send_uuid=self.message.send_uuid,
                 uuid=self.message.uuid,
-            )
+            ),
+            dh=self.fake_request.site.domain,
         )
 
     def test_missing_request(self):

openedx/core/djangoapps/ace_common/tests/test_tracking.py

@@ -99,6 +99,7 @@ class TestGoogleAnalyticsTrackingPixel(QueryStringAssertionMixin, CacheIsolation
             event_action='test_ea',
             event_label='test_el',
             document_path='test_dp',
+            document_host='test_host.com',
             client_id='123456.123456',
         )
         self.assertIsNotNone(pixel.generate_image_url())
@@ -108,7 +109,7 @@ class TestGoogleAnalyticsTrackingPixel(QueryStringAssertionMixin, CacheIsolation
             netloc='www.google-analytics.com',
             path='/collect',
             query='tid=UA-123456-1&v=2&t=ev&cs=test_cs&cm=test_cm&cn=test_cn&ec=test_ec&ea=test_ea&el=test_el'
-                  '&dp=test_dp&cid=123456.123456&cc=test_cc'
+                  '&dp=test_dp&dh=test_host.com&cid=123456.123456&cc=test_cc'
         )
 
     def test_missing_settings(self):

openedx/core/djangoapps/ace_common/tracking.py

@@ -69,6 +69,7 @@ class GoogleAnalyticsTrackingPixel(object):
     event_label = attr.ib(default=None, metadata={'param_name': 'el'})
 
     document_path = attr.ib(default=None, metadata={'param_name': 'dp'})
+    document_host = attr.ib(default=None, metadata={'param_name': 'dh'})
 
     user_id = attr.ib(default=None, metadata={'param_name': 'uid'})
     client_id = attr.ib(default=ANONYMOUS_USER_CLIENT_ID, metadata={'param_name': 'cid'})