Revert "Merge branch '233786-ppi-unique-audit-events-api' into 'master'"

This reverts merge request !39616

ee/changelogs/unreleased/233786-ppi-unique-audit-events-api.yml

----
-title: Add ability to track unique uses of API endpoints
-merge_request: 39616
-author:
-type: added

ee/lib/api/audit_events.rb

@@ -3,7 +3,6 @@
 module API
   class AuditEvents < ::Grape::API::Instance
     include ::API::PaginationParams
-    use ::API::UniqueCallTracking, event_name: 'i_compliance_audit_events_api', feature: :track_unique_visits
 
     before do
       authenticated_as_admin!

ee/lib/api/unique_call_tracking.rb

-# frozen_string_literal: true
-
-module API
-  class UniqueCallTracking < Grape::Middleware::Base
-    def visitor_id
-      return context.session[:visitor_id] if context.session[:visitor_id].present?
-      return unless context.current_user
-
-      uuid = SecureRandom.uuid
-      context.session[:visitor_id] = uuid
-      uuid
-    end
-
-    def track_redis_hll_event(event_name, feature)
-      return unless feature_enabled?(feature)
-      return unless visitor_id
-
-      Gitlab::UsageDataCounters::HLLRedisCounter.track_event(visitor_id, event_name)
-    end
-
-    def after
-      track_redis_hll_event(@options[:event_name], @options[:feature])
-      nil
-    end
-
-    private
-
-    def feature_enabled?(feature = :track_unique_visits)
-      Feature.enabled?(feature) && Gitlab::CurrentSettings.usage_ping_enabled?
-    end
-  end
-end

ee/lib/ee/api/groups.rb

@@ -89,8 +89,6 @@ module EE
           end
 
           segment ':id/audit_events' do
-            use ::API::UniqueCallTracking, event_name: 'i_compliance_audit_events_api', feature: :track_unique_visits
-
             before do
               authorize! :admin_group, user_group
               check_audit_events_available!(user_group)

ee/lib/ee/api/projects.rb

@@ -22,8 +22,6 @@ module EE
             end
           end
           segment ':id/audit_events' do
-            use ::API::UniqueCallTracking, event_name: 'i_compliance_audit_events_api', feature: :track_unique_visits
-
             before do
               authorize! :admin_project, user_project
               check_audit_events_available!(user_project)

ee/spec/requests/api/unique_call_tracking_spec.rb

-# frozen_string_literal: true
-
-require 'spec_helper'
-
-RSpec.describe API::UniqueCallTracking do
-  describe 'i_compliance_audit_events_api', :clean_gitlab_redis_shared_state do
-    let_it_be(:current_user) { create(:admin) }
-    let_it_be(:group) { create(:group, owner_id: current_user) }
-    let_it_be(:project) { create(:project) }
-
-    before do
-      project.add_user(current_user, :maintainer)
-    end
-
-    context 'after calling all audit_events APIs as a single licensed user' do
-      before do
-        stub_feature_flags(track_unique_visits: true)
-        stub_licensed_features(admin_audit_log: true)
-      end
-
-      subject do
-        travel_to 8.days.ago do
-          get api('/audit_events', current_user)
-          get api("/groups/#{group.id}/audit_events", current_user)
-          get api("/projects/#{project.id}/audit_events", current_user)
-        end
-      end
-
-      it 'tracks 3 separate events' do
-        expect(Gitlab::UsageDataCounters::HLLRedisCounter).to receive(:track_event).exactly(3).times
-                                                                  .with(an_instance_of(String), an_instance_of(String))
-
-        subject
-      end
-
-      it 'reports one unique event' do
-        subject
-
-        expect(Gitlab::UsageDataCounters::HLLRedisCounter.unique_events(event_names: 'i_compliance_audit_events_api', start_date: 2.months.ago, end_date: Date.current)).to eq(1)
-      end
-    end
-  end
-end

lib/gitlab/usage_data_counters/known_events.yml

@@ -16,11 +16,6 @@
   category: compliance
   redis_slot: compliance
   aggregation: weekly
-- name: i_compliance_audit_events_api
-  category: compliance
-  redis_slot: compliance
-  expiry: 42
-  aggregation: weekly
 # Analytics category
 - name: g_analytics_contribution
   category: analytics

spec/lib/gitlab/usage_data_spec.rb

@@ -1069,7 +1069,6 @@ RSpec.describe Gitlab::UsageData, :aggregate_failures do
           'g_compliance_audit_events' => 123,
           'i_compliance_credential_inventory' => 123,
           'i_compliance_audit_events' => 123,
-          'i_compliance_audit_events_api' => 123,
           'compliance_unique_visits_for_any_target' => 543,
           'compliance_unique_visits_for_any_target_monthly' => 987
         }