Add latest template for Auto Deploy template

This commit adds the latest template

changelogs/unreleased/hide-latest-versions-from-ui.yml

+---
+title: Hide the latest version of templates from the template selector
+merge_request: 40937
+author:
+type: other

doc/development/cicd/templates.md

@@ -16,7 +16,7 @@ All template files reside in the `lib/gitlab/ci/templates` directory, and are ca
 | Sub-directory  | Content                                                      | [Selectable in UI](#make-sure-the-new-template-can-be-selected-in-ui) |
 |----------------|--------------------------------------------------------------|-----------------------------------------------------------------------|
 | `/AWS/*`       | Cloud Deployment (AWS) related jobs                          | No                                                                    |
-| `/Jobs/*`      | Auto DevOps related jobs                                     | Yes                                                                   |
+| `/Jobs/*`      | Auto DevOps related jobs                                     | No                                                                    |
 | `/Pages/*`     | Static site generators for GitLab Pages (for example Jekyll) | Yes                                                                   |
 | `/Security/*`  | Security related jobs                                        | Yes                                                                   |
 | `/Verify/*`    | Verify/testing related jobs                                  | Yes                                                                   |

ee/lib/ee/gitlab/template/gitlab_ci_yml_template.rb

@@ -14,8 +14,8 @@ module EE
             super.merge(categories_ee)
           end
 
-          override :disabled_templates
-          def disabled_templates
+          override :additional_excluded_patterns
+          def additional_excluded_patterns
             []
           end
 

lib/gitlab/template/finders/global_template_finder.rb

@@ -5,10 +5,10 @@ module Gitlab
   module Template
     module Finders
       class GlobalTemplateFinder < BaseTemplateFinder
-        def initialize(base_dir, extension, categories = {}, exclusions: [])
+        def initialize(base_dir, extension, categories = {}, excluded_patterns: [])
           @categories = categories
           @extension  = extension
-          @exclusions = exclusions
+          @excluded_patterns = excluded_patterns
 
           super(base_dir)
         end
@@ -43,7 +43,7 @@ module Gitlab
         private
 
         def excluded?(file_name)
-          @exclusions.include?(file_name)
+          @excluded_patterns.any? { |pattern| pattern.match?(file_name) }
         end
 
         def select_directory(file_name)

lib/gitlab/template/gitlab_ci_yml_template.rb

@@ -3,12 +3,16 @@
 module Gitlab
   module Template
     class GitlabCiYmlTemplate < BaseTemplate
+      BASE_EXCLUDED_PATTERNS = [%r{\.latest$}].freeze
+
       def content
         explanation = "# This file is a template, and might need editing before it works on your project."
         [explanation, super].join("\n")
       end
 
       class << self
+        include Gitlab::Utils::StrongMemoize
+
         def extension
           '.gitlab-ci.yml'
         end
@@ -22,10 +26,14 @@ module Gitlab
           }
         end
 
-        def disabled_templates
-          %w[
-            Verify/Browser-Performance
-          ]
+        def excluded_patterns
+          strong_memoize(:excluded_patterns) do
+            BASE_EXCLUDED_PATTERNS + additional_excluded_patterns
+          end
+        end
+
+        def additional_excluded_patterns
+          [%r{Verify/Browser-Performance}]
         end
 
         def base_dir
@@ -34,7 +42,7 @@ module Gitlab
 
         def finder(project = nil)
           Gitlab::Template::Finders::GlobalTemplateFinder.new(
-            self.base_dir, self.extension, self.categories, exclusions: self.disabled_templates
+            self.base_dir, self.extension, self.categories, excluded_patterns: self.excluded_patterns
           )
         end
       end

spec/lib/gitlab/ci/templates/templates_spec.rb

@@ -7,17 +7,17 @@ RSpec.describe 'CI YML Templates' do
 
   let(:all_templates) { Gitlab::Template::GitlabCiYmlTemplate.all.map(&:full_name) }
 
-  let(:disabled_templates) do
-    Gitlab::Template::GitlabCiYmlTemplate.disabled_templates.map do |template|
-      template + Gitlab::Template::GitlabCiYmlTemplate.extension
+  let(:excluded_templates) do
+    all_templates.select do |name|
+      Gitlab::Template::GitlabCiYmlTemplate.excluded_patterns.any? { |pattern| pattern.match?(name) }
     end
   end
 
-  context 'included in a CI YAML configuration' do
+  context 'when including available templates in a CI YAML configuration' do
     using RSpec::Parameterized::TableSyntax
 
     where(:template_name) do
-      all_templates - disabled_templates
+      all_templates - excluded_templates
     end
 
     with_them do
@@ -41,4 +41,29 @@ RSpec.describe 'CI YML Templates' do
       end
     end
   end
+
+  context 'when including unavailable templates in a CI YAML configuration' do
+    using RSpec::Parameterized::TableSyntax
+
+    where(:template_name) do
+      excluded_templates
+    end
+
+    with_them do
+      let(:content) do
+        <<~EOS
+          include:
+            - template: #{template_name}
+
+          concrete_build_implemented_by_a_user:
+            stage: test
+            script: do something
+        EOS
+      end
+
+      it 'is not valid' do
+        expect(subject).not_to be_valid
+      end
+    end
+  end
 end

spec/lib/gitlab/template/finders/global_template_finder_spec.rb

@@ -15,9 +15,9 @@ RSpec.describe Gitlab::Template::Finders::GlobalTemplateFinder do
     FileUtils.rm_rf(base_dir)
   end
 
-  subject(:finder) { described_class.new(base_dir, '', { 'General' => '', 'Bar' => 'Bar' }, exclusions: exclusions) }
+  subject(:finder) { described_class.new(base_dir, '', { 'General' => '', 'Bar' => 'Bar' }, excluded_patterns: excluded_patterns) }
 
-  let(:exclusions) { [] }
+  let(:excluded_patterns) { [] }
 
   describe '.find' do
     context 'with a non-prefixed General template' do
@@ -38,7 +38,7 @@ RSpec.describe Gitlab::Template::Finders::GlobalTemplateFinder do
       end
 
       context 'while listed as an exclusion' do
-        let(:exclusions) { %w[test-template] }
+        let(:excluded_patterns) { [%r{^test-template$}] }
 
         it 'does not find the template without a prefix' do
           expect(finder.find('test-template')).to be_nil
@@ -77,7 +77,7 @@ RSpec.describe Gitlab::Template::Finders::GlobalTemplateFinder do
       end
 
       context 'while listed as an exclusion' do
-        let(:exclusions) { %w[Bar/test-template] }
+        let(:excluded_patterns) { [%r{^Bar/test-template$}] }
 
         it 'does not find the template with a prefix' do
           expect(finder.find('Bar/test-template')).to be_nil
@@ -96,6 +96,17 @@ RSpec.describe Gitlab::Template::Finders::GlobalTemplateFinder do
           expect(finder.find('Bar/test-template')).to be_nil
         end
       end
+
+      context 'while listed as an exclusion' do
+        let(:excluded_patterns) { [%r{\.latest$}] }
+
+        it 'excludes the template matched the pattern' do
+          create_template!('test-template.latest')
+
+          expect(finder.find('test-template')).to be_present
+          expect(finder.find('test-template.latest')).to be_nil
+        end
+      end
     end
   end
 end

spec/lib/gitlab/template/gitlab_ci_yml_template_spec.rb

@@ -13,6 +13,12 @@ RSpec.describe Gitlab::Template::GitlabCiYmlTemplate do
       expect(all).to include('Docker')
       expect(all).to include('Ruby')
     end
+
+    it 'does not include Browser-Performance template in FOSS' do
+      all = subject.all.map(&:name)
+
+      expect(all).not_to include('Browser-Performance') unless Gitlab.ee?
+    end
   end
 
   describe '#content' do