Add usage ping and index for DAST On-Demand Scans

changelogs/unreleased/add-dast-on-demand-scan-usage-ping-220951.yml

+---
+title: Add usage ping and index for DAST On-Demand Scans
+merge_request: 40219
+author:
+type: added

db/post_migrate/20200826053152_add_index_on_ci_pipelines_source_for_on_demand_dast.rb

+# frozen_string_literal: true
+
+class AddIndexOnCiPipelinesSourceForOnDemandDast < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  INDEX_NAME = 'index_ci_pipelines_for_ondemand_dast_scans'
+
+  SOURCE_ONDEMAND_DAST_SCAN_PIPELINE = 13
+
+  disable_ddl_transaction!
+
+  def up
+    add_concurrent_index(
+      :ci_pipelines, :id,
+      where: "source = #{SOURCE_ONDEMAND_DAST_SCAN_PIPELINE}",
+      name: INDEX_NAME
+    )
+  end
+
+  def down
+    remove_concurrent_index(
+      :ci_pipelines, :id,
+      where: "source = #{SOURCE_ONDEMAND_DAST_SCAN_PIPELINE}",
+      name: INDEX_NAME
+    )
+  end
+end

db/schema_migrations/20200826053152

+d7dd6ef7c39576988d1efd7bb179f75e3104fc8058a671e47c7b68ba2ddc9ba8
\ No newline at end of file

db/structure.sql

@@ -19461,6 +19461,8 @@ CREATE UNIQUE INDEX index_ci_pipeline_variables_on_pipeline_id_and_key ON public
 
 CREATE INDEX index_ci_pipelines_config_on_pipeline_id ON public.ci_pipelines_config USING btree (pipeline_id);
 
+CREATE INDEX index_ci_pipelines_for_ondemand_dast_scans ON public.ci_pipelines USING btree (id) WHERE (source = 13);
+
 CREATE INDEX index_ci_pipelines_on_auto_canceled_by_id ON public.ci_pipelines USING btree (auto_canceled_by_id);
 
 CREATE INDEX index_ci_pipelines_on_ci_ref_id ON public.ci_pipelines USING btree (ci_ref_id) WHERE (ci_ref_id IS NOT NULL);

ee/lib/ee/gitlab/usage_data.rb

@@ -121,6 +121,10 @@ module EE
           results
         end
 
+        def on_demand_pipelines_usage
+          { dast_on_demand_pipelines: count(::Ci::Pipeline.ondemand_dast_scan) }
+        end
+
         # Note: when adding a preference, check if it's mapped to an attribute of a User model. If so, name
         # the base key part after a corresponding User model attribute, use its possible values as suffix values.
         override :user_preferences_usage
@@ -181,6 +185,7 @@ module EE
               },
               requirements_counts,
               security_products_usage,
+              on_demand_pipelines_usage,
               epics_deepest_relationship_level,
               operations_dashboard_usage)
           end

ee/spec/lib/ee/gitlab/usage_data_spec.rb

@@ -28,6 +28,7 @@ RSpec.describe Gitlab::UsageData do
       create(:ci_build, name: 'sast', pipeline: pipeline)
       create(:ci_build, name: 'secret_detection', pipeline: pipeline)
       create(:ci_build, name: 'coverage_fuzzing', pipeline: pipeline)
+      create(:ci_pipeline, source: :ondemand_dast_scan, project: projects[0])
 
       create(:prometheus_alert, project: projects[0])
       create(:prometheus_alert, project: projects[0])
@@ -145,6 +146,7 @@ RSpec.describe Gitlab::UsageData do
       expect(count_data[:sast_jobs]).to eq(1)
       expect(count_data[:secret_detection_jobs]).to eq(1)
       expect(count_data[:coverage_fuzzing_jobs]).to eq(1)
+      expect(count_data[:dast_on_demand_pipelines]).to eq(1)
     end
 
     it 'gathers group overview preferences usage data', :aggregate_failures do