Add licenses list counter

Calculate backend usage of the feature

ee/app/controllers/projects/security/licenses_controller.rb

@@ -8,6 +8,8 @@ module Projects
       def index
         respond_to do |format|
           format.json do
+            ::Gitlab::UsageDataCounters::LicensesList.count(:views)
+
             render json: serializer.represent(licenses, build: report_service.build)
           end
         end

ee/changelogs/unreleased/14732-usage-ping.yml

+---
+title: Add Licenses list backend usage ping
+merge_request: 17925
+author:
+type: added

ee/lib/ee/gitlab/usage_data.rb

@@ -10,7 +10,7 @@ module EE
 
         override :usage_data_counters
         def usage_data_counters
-          super + [::Gitlab::UsageCounters::DesignsCounter]
+          super + [::Gitlab::UsageCounters::DesignsCounter, ::Gitlab::UsageDataCounters::LicensesList]
         end
 
         override :uncached_data

ee/lib/gitlab/usage_data_counters/licenses_list.rb

+# frozen_string_literal: true
+
+module Gitlab
+  module UsageDataCounters
+    class LicensesList < BaseCounter
+      KNOWN_EVENTS = %w[views].freeze
+      PREFIX = 'licenses_list'
+    end
+  end
+end

ee/spec/controllers/projects/security/licenses_controller_spec.rb

@@ -23,6 +23,12 @@ describe Projects::Security::LicensesController do
           stub_licensed_features(licenses_list: true, license_management: true)
         end
 
+        it 'counts usage of the feature' do
+          expect(::Gitlab::UsageDataCounters::LicensesList).to receive(:count).with(:views)
+
+          get_licenses
+        end
+
         context 'with existing report' do
           let!(:pipeline) { create(:ee_ci_pipeline, :with_license_management_report, project: project) }
 

ee/spec/lib/gitlab/usage_data_counters/licenses_list_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe Gitlab::UsageDataCounters::LicensesList do
+  it_behaves_like 'a redis usage counter', 'LicensesList', :views
+
+  it_behaves_like 'a redis usage counter with totals', :licenses_list, views: 7
+end

ee/spec/lib/gitlab/usage_data_spec.rb

@@ -72,6 +72,7 @@ describe Gitlab::UsageData do
         ldap_keys
         ldap_users
         license_management_jobs
+        licenses_list_views
         operations_dashboard_default_dashboard
         operations_dashboard_users_with_projects_added
         pod_logs_usages_total