Adds feature flag to disable package events

Prevents package events from being created by default

app/services/packages/create_event_service.rb

@@ -3,6 +3,8 @@
 module Packages
   class CreateEventService < BaseService
     def execute
+      return unless Feature.enabled?(:collect_package_events, default_enabled: false)
+
       event_scope = scope.is_a?(::Packages::Package) ? scope.package_type : scope
 
       ::Packages::Event.create!(

changelogs/unreleased/205578-feature-flag-pkg-events.yml

+---
+title: Adds feature flag to disable package events
+merge_request: 45802
+author:
+type: changed

config/feature_flags/development/collect_package_events.yml

+---
+name: collect_package_events
+introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/45802
+rollout_issue_url: 
+group: group::package
+type: development
+default_enabled: false

spec/services/packages/create_event_service_spec.rb

@@ -16,13 +16,29 @@ RSpec.describe Packages::CreateEventService do
 
   describe '#execute' do
     shared_examples 'package event creation' do |originator_type, expected_scope|
-      it 'creates the event' do
-        expect { subject }.to change { Packages::Event.count }.by(1)
+      context 'with feature flag disable' do
+        before do
+          stub_feature_flags(collect_package_events: false)
+        end
 
-        expect(subject.originator_type).to eq(originator_type)
-        expect(subject.originator).to eq(user&.id)
-        expect(subject.event_scope).to eq(expected_scope)
-        expect(subject.event_type).to eq(event_name)
+        it 'returns nil' do
+          expect(subject).to be nil
+        end
+      end
+
+      context 'with feature flag enabled' do
+        before do
+          stub_feature_flags(collect_package_events: true)
+        end
+
+        it 'creates the event' do
+          expect { subject }.to change { Packages::Event.count }.by(1)
+
+          expect(subject.originator_type).to eq(originator_type)
+          expect(subject.originator).to eq(user&.id)
+          expect(subject.event_scope).to eq(expected_scope)
+          expect(subject.event_type).to eq(event_name)
+        end
       end
     end
 

spec/support/shared_examples/requests/api/packages_shared_examples.rb

@@ -128,6 +128,10 @@ RSpec.shared_examples 'job token for package uploads' do
 end
 
 RSpec.shared_examples 'a package tracking event' do |category, action|
+  before do
+    stub_feature_flags(collect_package_events: true)
+  end
+
   it "creates a gitlab tracking event #{action}" do
     expect(Gitlab::Tracking).to receive(:event).with(category, action, {})