Adds guest package event rake tasks

- Adds rake task to generate guest package events
- Adds class to track guest package events
- Specs

lib/gitlab/usage_data_counters/counter_events/guest_package_events.yml

+---
+- i_package_composer_guest_delete
+- i_package_composer_guest_pull
+- i_package_composer_guest_push
+- i_package_conan_guest_delete
+- i_package_conan_guest_pull
+- i_package_conan_guest_push
+- i_package_container_guest_delete
+- i_package_container_guest_pull
+- i_package_container_guest_push
+- i_package_debian_guest_delete
+- i_package_debian_guest_pull
+- i_package_debian_guest_push
+- i_package_generic_guest_delete
+- i_package_generic_guest_pull
+- i_package_generic_guest_push
+- i_package_golang_guest_delete
+- i_package_golang_guest_pull
+- i_package_golang_guest_push
+- i_package_maven_guest_delete
+- i_package_maven_guest_pull
+- i_package_maven_guest_push
+- i_package_npm_guest_delete
+- i_package_npm_guest_pull
+- i_package_npm_guest_push
+- i_package_nuget_guest_delete
+- i_package_nuget_guest_pull
+- i_package_nuget_guest_push
+- i_package_pypi_guest_delete
+- i_package_pypi_guest_pull
+- i_package_pypi_guest_push
+- i_package_tag_guest_delete
+- i_package_tag_guest_pull
+- i_package_tag_guest_push

lib/gitlab/usage_data_counters/guest_package_event_counter.rb

+# frozen_string_literal: true
+
+module Gitlab
+  module UsageDataCounters
+    class GuestPackageEventCounter < BaseCounter
+      KNOWN_EVENTS_PATH = File.expand_path('counter_events/guest_package_events.yml', __dir__)
+      KNOWN_EVENTS = YAML.safe_load(File.read(KNOWN_EVENTS_PATH)).freeze
+      PREFIX = 'package_guest'
+    end
+  end
+end

lib/tasks/gitlab/packages/events.rake

@@ -5,11 +5,29 @@ namespace :gitlab do
   namespace :packages do
     namespace :events do
       task generate: :environment do
+        Rake::Task["gitlab:packages:events:generate_guest"].invoke
+        Rake::Task["gitlab:packages:events:generate_unique"].invoke
+      rescue => e
+        logger.error("Error building events list: #{e}")
+      end
+
+      task generate_guest: :environment do
         logger = Logger.new(STDOUT)
         logger.info('Building list of package events...')
 
-        path = File.join(File.dirname(::Gitlab::UsageDataCounters::HLLRedisCounter::KNOWN_EVENTS_PATH), 'package_events.yml')
+        path = Gitlab::UsageDataCounters::GuestPackageEventCounter::KNOWN_EVENTS_PATH
+        File.open(path, "w") { |file| file << guest_events_list.to_yaml }
 
+        logger.info("Events file `#{path}` generated successfully")
+      rescue => e
+        logger.error("Error building events list: #{e}")
+      end
+
+      task generate_unique: :environment do
+        logger = Logger.new(STDOUT)
+        logger.info('Building list of package events...')
+
+        path = File.join(File.dirname(Gitlab::UsageDataCounters::HLLRedisCounter::KNOWN_EVENTS_PATH), 'package_events.yml')
         File.open(path, "w") { |file| file << generate_unique_events_list.to_yaml }
 
         logger.info("Events file `#{path}` generated successfully")
@@ -17,14 +35,16 @@ namespace :gitlab do
         logger.error("Error building events list: #{e}")
       end
 
+      private
+
       def event_pairs
-        ::Packages::Event.event_types.keys.product(::Packages::Event::EVENT_SCOPES.keys)
+        Packages::Event.event_types.keys.product(Packages::Event::EVENT_SCOPES.keys)
       end
 
       def generate_unique_events_list
         events = event_pairs.each_with_object([]) do |(event_type, event_scope), events|
-          ::Packages::Event.originator_types.keys.excluding('guest').each do |originator|
-            if name = ::Packages::Event.allowed_event_name(event_scope, event_type, originator)
+          Packages::Event.originator_types.keys.excluding('guest').each do |originator|
+            if name = Packages::Event.allowed_event_name(event_scope, event_type, originator)
               events << {
                 "name" => name,
                 "category" => "#{event_scope}_packages",
@@ -38,6 +58,12 @@ namespace :gitlab do
 
         events.sort_by { |event| event["name"] }
       end
+
+      def guest_events_list
+        event_pairs.map do |event_type, event_scope|
+          Packages::Event.allowed_event_name(event_scope, event_type, "guest")
+        end.compact.sort
+      end
     end
   end
 end

spec/lib/gitlab/usage_data_counters/guest_package_event_counter_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Gitlab::UsageDataCounters::GuestPackageEventCounter, :clean_gitlab_redis_shared_state do
+  shared_examples_for 'usage counter with totals' do |counter|
+    it 'increments counter and returns total count' do
+      expect(described_class.read(counter)).to eq(0)
+
+      2.times { described_class.count(counter) }
+
+      expect(described_class.read(counter)).to eq(2)
+    end
+  end
+
+  it 'includes the right events' do
+    expect(described_class::KNOWN_EVENTS.size).to eq 33
+  end
+
+  described_class::KNOWN_EVENTS.each do |event|
+    it_behaves_like 'usage counter with totals', event
+  end
+
+  describe '.fetch_supported_event' do
+    subject { described_class.fetch_supported_event(event_name) }
+
+    let(:event_name) { 'package_guest_i_package_composer_guest_push' }
+
+    it { is_expected.to eq 'i_package_composer_guest_push' }
+  end
+end

spec/tasks/gitlab/packages/events_rake_spec.rb

@@ -7,7 +7,6 @@ RSpec.describe 'gitlab:packages:events namespace rake task' do
     Rake.application.rake_require 'tasks/gitlab/packages/events'
   end
 
-  describe 'generate' do
   subject do
     file = double('file')
     yml_file = nil
@@ -15,16 +14,19 @@ RSpec.describe 'gitlab:packages:events namespace rake task' do
     allow(file).to receive(:<<) { |contents| yml_file = contents }
     allow(File).to receive(:open).and_yield(file)
 
-      run_rake_task('gitlab:packages:events:generate')
+    run_rake_task("gitlab:packages:events:#{task}")
 
     YAML.safe_load(yml_file)
   end
 
+  describe 'generate_unique' do
+    let(:task) { 'generate_unique' }
+
     it 'excludes guest events' do
       expect(subject.find { |event| event['name'].include?("guest") }).to be_nil
     end
 
-    ::Packages::Event::EVENT_SCOPES.keys.each do |event_scope|
+    Packages::Event::EVENT_SCOPES.keys.each do |event_scope|
       it "includes includes `#{event_scope}` scope" do
         expect(subject.find { |event| event['name'].include?(event_scope) }).not_to be_nil
       end
@@ -35,4 +37,19 @@ RSpec.describe 'gitlab:packages:events namespace rake task' do
       expect(subject.find { |event| event['name'].include?("list_package") }).to be_nil
     end
   end
+
+  describe 'generate_guest' do
+    let(:task) { 'generate_guest' }
+
+    Packages::Event::EVENT_SCOPES.keys.each do |event_scope|
+      it "includes includes `#{event_scope}` scope" do
+        expect(subject.find { |event| event.include?(event_scope) }).not_to be_nil
+      end
+    end
+
+    it 'excludes some event types' do
+      expect(subject.find { |event| event.include?("search_package") }).to be_nil
+      expect(subject.find { |event| event.include?("list_package") }).to be_nil
+    end
+  end
 end