Add operations dashboard usage ping data

ee/lib/ee/gitlab/usage_data.rb

@@ -105,6 +105,18 @@ module EE
           end
         end
 
+        def operations_dashboard_usage
+
+          users_with_ops_dashboard_as_default = count(::User.active.where(dashboard: 'operations'))
+          #users_with_projects_added = count(UsersOpsDashboardProject.select('distinct user_id').includes(:user).merge(::User.active))
+          users_with_projects_added = count(UsersOpsDashboardProject.select('distinct user_id'))
+
+          {
+            default_dashboard: users_with_ops_dashboard_as_default,
+            users_with_projects_added: users_with_projects_added
+          }
+        end
+
         override :system_usage_data
         def system_usage_data
           usage_data = super
@@ -121,7 +133,8 @@ module EE
             projects_with_prometheus_alerts: count(PrometheusAlert.distinct_projects),
             projects_with_packages: count(::Packages::Package.select('distinct project_id')),
             projects_with_tracing_enabled: count(ProjectTracingSetting),
-            projects_enforcing_code_owner_approval: count(::Project.without_deleted.non_archived.requiring_code_owner_approval)
+            projects_enforcing_code_owner_approval: count(::Project.without_deleted.non_archived.requiring_code_owner_approval),
+            operations_dashboard: operations_dashboard_usage
           }).merge(service_desk_counts).merge(security_products_usage)
 
           # MySql does not support recursive queries so we can't retrieve epics relationship depth

ee/spec/factories/user_ops_dashboard_project.rb

+# frozen_string_literal: true
+
+FactoryBot.define do
+  factory :users_ops_dashboard_project, class: UsersOpsDashboardProject do
+    user factory: :user
+    project factory: :project
+  end
+end

ee/spec/lib/gitlab/usage_data_spec.rb

@@ -81,6 +81,7 @@ describe Gitlab::UsageData do
         projects_jira_dvcs_cloud_active
         projects_jira_dvcs_server_active
         feature_flags
+        operations_dashboard
       ))
 
       expect(count_data[:projects_with_prometheus_alerts]).to eq(2)
@@ -205,4 +206,30 @@ describe Gitlab::UsageData do
       expect(described_class.system_usage_data[:counts][:projects_enforcing_code_owner_approval]).to eq(1)
     end
   end
+
+  describe '#operations_dashboard_usage' do
+    subject { described_class.operations_dashboard_usage }
+
+    before do
+      blocked_user = create(:user, :blocked, dashboard: 'operations')
+      user_with_ops_dashboard = create(:user, dashboard: 'operations')
+
+      create(:users_ops_dashboard_project, user: blocked_user)
+      create(:users_ops_dashboard_project)
+      create(:users_ops_dashboard_project)
+      create(:users_ops_dashboard_project)
+    end
+
+    it 'gathers data on operations dashboard' do
+      expect(subject.keys).to include(*%i(
+        default_dashboard,
+        users_with_projects_added
+      ))
+    end
+
+    it 'bases counts on active users' do
+      expect(subject[:default_dashboard]).to eq(1)
+      expect(subject[:users_with_projects_added]).to eq(3)
+    end
+  end
 end