Migrates Snowplow backend from EE to CE

This introduces several changes, but these are all just ported from the
EE project.

2 files changed, 21 insertions, 2 deletions

diff --git a/app/helpers/application_settings_helper.rb b/app/helpers/application_settings_helper.rb
index acbcf0ded17..0ab19f1d2d2 100644
--- a/app/helpers/application_settings_helper.rb
+++ b/app/helpers/application_settings_helper.rb
@@ -270,7 +270,11 @@ module ApplicationSettingsHelper
       :diff_max_patch_bytes,
       :commit_email_hostname,
       :protected_ci_variables,
-      :local_markdown_version
+      :local_markdown_version,
+      :snowplow_collector_hostname,
+      :snowplow_cookie_domain,
+      :snowplow_enabled,
+      :snowplow_site_id
     ]
   end
 
diff --git a/app/helpers/tracking_helper.rb b/app/helpers/tracking_helper.rb
index 51ea79d1ddd..221d9692661 100644
--- a/app/helpers/tracking_helper.rb
+++ b/app/helpers/tracking_helper.rb
@@ -2,6 +2,21 @@
 
 module TrackingHelper
   def tracking_attrs(label, event, property)
-    {} # CE has no tracking features
+    return {} unless tracking_enabled?
+
+    {
+      data: {
+        track_label: label,
+        track_event: event,
+        track_property: property
+      }
+    }
+  end
+
+  private
+
+  def tracking_enabled?
+    Rails.env.production? &&
+      ::Gitlab::CurrentSettings.snowplow_enabled?
   end
 end