Merge branch '375284-add-metrics-for-govern-security-policies-02' into 'master'

Add metrics for groups with assigned security policy project

See merge request !99957



Merged-by: Alan (Maciej) Paruszewski <mparuszewski@gitlab.com>
Approved-by: Michał Zając <mzajac@gitlab.com>
Approved-by: Piotr Skorupa <pskorupa@gitlab.com>
Co-authored-by: Piotr Skorupa <pskorupa@gitlab.com>

ee/config/metrics/counts_28d/20220927083012_distinct_count_namespace_id_from_security_orchestration_policy_configurations.yml

+---
+  key_path: usage_activity_by_stage_monthly.govern.distinct_count_namespace_id_from_security_orchestration_policy_configurations
+  description: "The total number of groups with an assigned security policy project"
+  product_section: sec
+  product_stage: govern
+  product_group: security_policies
+  product_category: security_policy_management
+  value_type: number
+  status: active
+  milestone: "15.5"
+  introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/99957
+  time_frame: 28d
+  data_source: database
+  data_category: operational
+  instrumentation_class: CountGroupsWithAssignedSecurityPolicyProjectMetric
+  distribution:
+  - ee
+  tier:
+  - ultimate

ee/config/metrics/counts_all/20220927083002_distinct_count_namespace_id_from_security_orchestration_policy_configurations.yml

+---
+  key_path: usage_activity_by_stage.govern.distinct_count_namespace_id_from_security_orchestration_policy_configurations
+  description: "The total number of groups with an assigned security policy project"
+  product_section: sec
+  product_stage: govern
+  product_group: security_policies
+  product_category: security_policy_management
+  value_type: number
+  status: active
+  milestone: "15.5"
+  introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/99957
+  time_frame: all
+  data_source: database
+  data_category: operational
+  instrumentation_class: CountGroupsWithAssignedSecurityPolicyProjectMetric
+  distribution:
+  - ee
+  tier:
+  - ultimate

ee/lib/gitlab/usage/metrics/instrumentations/count_groups_with_assigned_security_policy_project_metric.rb

+# frozen_string_literal: true
+
+module Gitlab
+  module Usage
+    module Metrics
+      module Instrumentations
+        class CountGroupsWithAssignedSecurityPolicyProjectMetric < DatabaseMetric
+          operation :distinct_count, column: :namespace_id
+
+          relation { ::Security::OrchestrationPolicyConfiguration }
+
+          start { ::Security::OrchestrationPolicyConfiguration.minimum(:namespace_id) }
+          finish { ::Security::OrchestrationPolicyConfiguration.maximum(:namespace_id) }
+        end
+      end
+    end
+  end
+end

ee/spec/lib/gitlab/usage/metrics/instrumentations/count_groups_with_assigned_security_policy_project_metric_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Gitlab::Usage::Metrics::Instrumentations::CountGroupsWithAssignedSecurityPolicyProjectMetric do
+  before_all do
+    create(:security_orchestration_policy_configuration, created_at: 2.months.ago)
+    create(:security_orchestration_policy_configuration, :namespace, created_at: 2.months.ago)
+
+    create(:security_orchestration_policy_configuration, created_at: 25.days.ago)
+    create(:security_orchestration_policy_configuration, :namespace, created_at: 25.days.ago)
+  end
+
+  it_behaves_like 'a correct instrumented metric value and query', { time_frame: 'all', data_source: 'database' } do
+    let(:expected_value) { 2 }
+    let(:expected_query) do
+      'SELECT COUNT(DISTINCT "security_orchestration_policy_configurations"."namespace_id") ' \
+        'FROM "security_orchestration_policy_configurations"'
+    end
+  end
+
+  it_behaves_like 'a correct instrumented metric value and query', { time_frame: '28d', data_source: 'database' } do
+    let(:expected_value) { 1 }
+    let(:start) { 30.days.ago.to_s(:db) }
+    let(:finish) { 2.days.ago.to_s(:db) }
+    let(:expected_query) do
+      "SELECT COUNT(DISTINCT \"security_orchestration_policy_configurations\".\"namespace_id\") " \
+        "FROM \"security_orchestration_policy_configurations\" " \
+        "WHERE \"security_orchestration_policy_configurations\".\"created_at\" BETWEEN '#{start}' AND '#{finish}'"
+    end
+  end
+end