Add script to track clicks for RF offer

- Add click handler to the settings link that
  tracks the event
- Add RedisHLL counter to track these counts

Changelog: added
EE: true

ee/app/assets/javascripts/pages/admin/application_settings/general/index.js

 import '~/pages/admin/application_settings/general/index';
 import { initMaintenanceModeSettings } from 'ee/maintenance_mode_settings';
+import { initServicePingSettingsClickTracking } from 'ee/registration_features_discovery_message';
 
 initMaintenanceModeSettings();
+initServicePingSettingsClickTracking();

ee/app/assets/javascripts/pages/admin/users/index.js

+import '~/pages/admin/users';
+import { initServicePingSettingsClickTracking } from 'ee/registration_features_discovery_message';
+
+initServicePingSettingsClickTracking();

ee/app/assets/javascripts/pages/groups/edit/index.js

@@ -2,6 +2,7 @@ import '~/pages/groups/edit';
 import initAccessRestrictionField from 'ee/groups/settings/access_restriction_field';
 import validateRestrictedIpAddress from 'ee/groups/settings/access_restriction_field/validate_ip_address';
 import { initGroupPermissionsFormSubmit } from 'ee/groups/settings/permissions';
+import { initServicePingSettingsClickTracking } from 'ee/registration_features_discovery_message';
 import createFlash from '~/flash';
 import { __ } from '~/locale';
 
@@ -58,3 +59,5 @@ if (mergeRequestApprovalSetting) {
     }
   })();
 }
+
+initServicePingSettingsClickTracking();

ee/app/assets/javascripts/pages/projects/edit/index.js

@@ -3,6 +3,7 @@
 import '~/pages/projects/edit';
 import mountApprovals from 'ee/approvals/mount_project_settings';
 import { initMergeOptionSettings } from 'ee/pages/projects/edit/merge_options';
+import { initServicePingSettingsClickTracking } from 'ee/registration_features_discovery_message';
 import initProjectAdjournedDeleteButton from 'ee/projects/project_adjourned_delete_button';
 import mountStatusChecks from 'ee/status_checks/mount';
 import groupsSelect from '~/groups_select';
@@ -19,3 +20,4 @@ mountStatusChecks(document.getElementById('js-status-checks-settings'));
 
 initProjectAdjournedDeleteButton();
 initMergeOptionSettings();
+initServicePingSettingsClickTracking();

ee/app/assets/javascripts/registration_features_discovery_message.js

+import api from '~/api';
+
+export const SERVICE_PING_SETTINGS_CLICK_EVENT = 'users_clicking_registration_features_offer';
+
+export const SERVICE_PING_SETTINGS_LINK_SELECTOR = '.js-go-to-service-ping-settings';
+
+export function initServicePingSettingsClickTracking() {
+  const triggers = document.querySelectorAll(SERVICE_PING_SETTINGS_LINK_SELECTOR);
+
+  if (!triggers.length) {
+    return;
+  }
+
+  triggers.forEach((trigger) => {
+    trigger.addEventListener('click', () => {
+      api.trackRedisCounterEvent(SERVICE_PING_SETTINGS_CLICK_EVENT);
+    });
+  });
+}

ee/app/views/shared/_registration_features_discovery_settings_link.html.haml

@@ -2,4 +2,4 @@
 
 - service_ping_settings_path = metrics_and_profiling_admin_application_settings_path(anchor: 'js-usage-settings')
 
-= link_to s_('RegistrationFeatures|Enable Service Ping and register for this feature.'), service_ping_settings_path
+= link_to s_('RegistrationFeatures|Enable Service Ping and register for this feature.'), service_ping_settings_path, class: 'js-go-to-service-ping-settings'

ee/config/metrics/counts_28d/20220201220429_users_clicking_registration_features_offer_monthly.yml

+---
+key_path: redis_hll_counters.growth.users_clicking_registration_features_offer_monthly
+description: The number of unique users who clicked the settings link in the Registration Features offer CTA
+product_section: growth
+product_stage: growth
+product_group: group::product intelligence
+product_category:
+value_type: number
+status: active
+milestone: "14.8"
+introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/79559
+time_frame: 28d
+data_source: redis_hll
+data_category: optional
+instrumentation_class: RedisHLLMetric
+performance_indicator_type: []
+options:
+  events:
+  - users_clicking_registration_features_offer
+distribution:
+- ee
+tier:
+- premium
+- ultimate

ee/config/metrics/counts_7d/20220201220423_users_clicking_registration_features_offer_weekly.yml

+---
+key_path: redis_hll_counters.growth.users_clicking_registration_features_offer_weekly
+description: The number of unique users who clicked the settings link in the Registration Features offer CTA
+product_section: growth
+product_stage: growth
+product_group: group::product intelligence
+product_category:
+value_type: number
+status: active
+milestone: "14.8"
+introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/79559
+time_frame: 7d
+data_source: redis_hll
+data_category: optional
+instrumentation_class: RedisHLLMetric
+performance_indicator_type: []
+options:
+  events:
+  - users_clicking_registration_features_offer
+distribution:
+- ee
+tier:
+- premium
+- ultimate

ee/spec/frontend/registration_features_discovery_message_spec.js

+import {
+  SERVICE_PING_SETTINGS_CLICK_EVENT,
+  SERVICE_PING_SETTINGS_LINK_SELECTOR,
+  initServicePingSettingsClickTracking,
+} from 'ee/registration_features_discovery_message';
+import { TEST_HOST } from 'spec/test_constants';
+import api from '~/api';
+
+describe('track settings link clicks', () => {
+  const clickSettingsLink = () => {
+    document.querySelectorAll(SERVICE_PING_SETTINGS_LINK_SELECTOR).forEach((button) => {
+      button.click();
+    });
+  };
+
+  beforeEach(() => {
+    jest.spyOn(api, 'trackRedisCounterEvent').mockResolvedValue({ data: '' });
+  });
+
+  describe('when links are present', () => {
+    beforeEach(() => {
+      setFixtures(`
+        <a class="js-go-to-service-ping-settings" href="${TEST_HOST}"></a>
+        <a class="js-go-to-service-ping-settings" href="${TEST_HOST}"></a>
+      `);
+
+      initServicePingSettingsClickTracking();
+    });
+
+    it('track RedisHLL events', () => {
+      clickSettingsLink();
+
+      expect(api.trackRedisCounterEvent).toHaveBeenCalledTimes(2);
+      expect(api.trackRedisCounterEvent).toHaveBeenLastCalledWith(
+        SERVICE_PING_SETTINGS_CLICK_EVENT,
+      );
+    });
+  });
+});

lib/gitlab/usage_data_counters/known_events/common.yml

@@ -383,3 +383,8 @@
   redis_slot: geo
   aggregation: daily
   feature_flag: track_geo_proxy_events
+# Growth
+- name: users_clicking_registration_features_offer
+  category: growth
+  redis_slot: users
+  aggregation: weekly

spec/lib/gitlab/usage_data_counters/hll_redis_counter_spec.rb

@@ -49,7 +49,8 @@ RSpec.describe Gitlab::UsageDataCounters::HLLRedisCounter, :clean_gitlab_redis_s
         'secure',
         'importer',
         'network_policies',
-        'geo'
+        'geo',
+        'growth'
       )
     end
   end