Revert "Merge branch 'require-all-templates-to-include-default-stages' into 'master'"

This reverts merge request !26954

changelogs/unreleased/require-all-templates-to-include-default-stages.yml

----
-title: Require all templates to use default stages
-merge_request: 26954
-author:
-type: fixed

lib/gitlab/ci/config.rb

@@ -73,13 +73,17 @@ module Gitlab
       def build_config(config, project:, sha:, user:)
         initial_config = Gitlab::Config::Loader::Yaml.new(config).load!
 
-        process_external_files(initial_config, project: project, sha: sha, user: user)
+        if project
+          process_external_files(initial_config, project: project, sha: sha, user: user)
+        else
+          initial_config
+        end
       end
 
       def process_external_files(config, project:, sha:, user:)
         Config::External::Processor.new(config,
           project: project,
-          sha: sha || project&.repository&.root_ref_sha,
+          sha: sha || project.repository.root_ref_sha,
           user: user,
           expandset: Set.new).perform
       end

lib/gitlab/ci/config/external/file/local.rb

@@ -21,9 +21,7 @@ module Gitlab
             private
 
             def validate_content!
-              if context.project&.repository.nil?
-                errors.push("Local file `#{location}` does not have project!")
-              elsif content.nil?
+              if content.nil?
                 errors.push("Local file `#{location}` does not exist!")
               elsif content.blank?
                 errors.push("Local file `#{location}` is empty!")

lib/gitlab/ci/templates/Android-Fastlane.gitlab-ci.yml

@@ -6,7 +6,6 @@ stages:
   - environment
   - build
   - test
-  - deploy
   - internal
   - alpha
   - beta

lib/gitlab/ci/templates/Android.gitlab-ci.yml

@@ -24,6 +24,10 @@ before_script:
   - yes | android-sdk-linux/tools/bin/sdkmanager --licenses
   - set -o pipefail
 
+stages:
+  - build
+  - test
+
 lintDebug:
   stage: build
   script:

lib/gitlab/ci/templates/Auto-DevOps.gitlab-ci.yml

@@ -60,7 +60,6 @@ variables:
 stages:
   - build
   - test
-  - deploy # dummy stage to follow the template guidelines
   - review
   - dast
   - staging

lib/gitlab/ci/templates/Chef.gitlab-ci.yml

@@ -14,11 +14,9 @@ variables:
   KITCHEN_LOCAL_YAML: ".kitchen.dokken.yml"
 
 stages:
-  - build
   - lint
-  - test
+  - unit
   - functional
-  - deploy
 
 foodcritic:
   stage: lint
@@ -31,7 +29,7 @@ cookstyle:
   - chef exec cookstyle .
 
 chefspec:
-  stage: test
+  stage: unit
   script:
   - chef exec rspec spec
 

lib/gitlab/ci/templates/Go.gitlab-ci.yml

@@ -18,7 +18,6 @@ before_script:
 stages:
     - test
     - build
-    - deploy
 
 format:
     stage: test

lib/gitlab/ci/templates/Mono.gitlab-ci.yml

@@ -15,7 +15,6 @@
 image: mono:latest
 
 stages:
-  - build
   - test
   - deploy
 

lib/gitlab/ci/templates/OpenShift.gitlab-ci.yml

 image: ayufan/openshift-cli
 
 stages:
-  - build # dummy stage to follow the template guidelines
   - test
-  - deploy # dummy stage to follow the template guidelines
   - review
   - staging
   - production

lib/gitlab/ci/templates/Packer.gitlab-ci.yml

@@ -9,8 +9,6 @@ before_script:
 
 stages:
   - validate
-  - build
-  - test
   - deploy
 
 validate:

lib/gitlab/ci/templates/Serverless.gitlab-ci.yml

@@ -4,7 +4,6 @@ image: alpine:latest
 
 stages:
   - build
-  - test
   - deploy
 
 .serverless:build:image:

lib/gitlab/ci/templates/Swift.gitlab-ci.yml

@@ -2,9 +2,7 @@
 # This file assumes an own GitLab CI runner, setup on a macOS system.
 stages:
   - build
-  - test
   - archive
-  - deploy
 
 build_project:
   stage: build

lib/gitlab/ci/templates/Terraform.gitlab-ci.yml

@@ -24,7 +24,6 @@ before_script:
 stages:
   - validate
   - build
-  - test
   - deploy
 
 validate:

lib/gitlab/ci/templates/iOS-Fastlane.gitlab-ci.yml

@@ -12,8 +12,6 @@
 
 stages:
   - build
-  - test
-  - deploy
 
 variables:
   LC_ALL: "en_US.UTF-8"

lib/gitlab/template/base_template.rb

@@ -16,12 +16,6 @@ module Gitlab
       end
       alias_method :key, :name
 
-      def full_name
-        Pathname.new(@path)
-          .relative_path_from(self.class.base_dir)
-          .to_s
-      end
-
       def content
         @finder.read(@path)
       end

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

@@ -3,32 +3,46 @@
 require 'spec_helper'
 
 describe "CI YML Templates" do
-  using RSpec::Parameterized::TableSyntax
-
-  subject { Gitlab::Ci::YamlProcessor.new(content) }
-
-  where(:template_name) do
-    Gitlab::Template::GitlabCiYmlTemplate.all.map(&:full_name)
+  ABSTRACT_TEMPLATES = %w[Serverless].freeze
+  # These templates depend on the presence of the `project`
+  # param to enable processing of `include:` within CI config.
+  PROJECT_DEPENDENT_TEMPLATES = %w[Auto-DevOps DAST].freeze
+
+  def self.concrete_templates
+    Gitlab::Template::GitlabCiYmlTemplate.all.reject do |template|
+      ABSTRACT_TEMPLATES.include?(template.name)
+    end
   end
 
-  with_them do
-    let(:content) do
-      <<~EOS
-        include:
-          - template: #{template_name}
-
-        concrete_build_implemented_by_a_user:
-          stage: test
-          script: do something
-      EOS
+  def self.abstract_templates
+    Gitlab::Template::GitlabCiYmlTemplate.all.select do |template|
+      ABSTRACT_TEMPLATES.include?(template.name)
     end
+  end
+
+  describe 'concrete templates with CI/CD jobs' do
+    concrete_templates.each do |template|
+      it "#{template.name} template should be valid" do
+        # Trigger processing of included files
+        project = create(:project, :test_repo) if PROJECT_DEPENDENT_TEMPLATES.include?(template.name)
 
-    it 'is valid' do
-      expect { subject }.not_to raise_error
+        expect { Gitlab::Ci::YamlProcessor.new(template.content, project: project) }
+          .not_to raise_error
+      end
     end
+  end
 
-    it 'require default stages to be included' do
-      expect(subject.stages).to include(*Gitlab::Ci::Config::Entry::Stages.default)
+  describe 'abstract templates without concrete jobs defined' do
+    abstract_templates.each do |template|
+      it "#{template.name} template should be valid after being implemented" do
+        content = template.content + <<~EOS
+          concrete_build_implemented_by_a_user:
+            stage: build
+            script: do something
+        EOS
+
+        expect { Gitlab::Ci::YamlProcessor.new(content) }.not_to raise_error
+      end
     end
   end
 end

spec/lib/gitlab/ci/yaml_processor_spec.rb

@@ -626,8 +626,8 @@ module Gitlab
           context "when an array is provided" do
             let(:include_content) { ["/local.gitlab-ci.yml"] }
 
-            it "returns a validation error" do
-              expect { subject }.to raise_error(Gitlab::Ci::YamlProcessor::ValidationError, /does not have project/)
+            it "does not return any error" do
+              expect { subject }.not_to raise_error
             end
           end
 
@@ -643,18 +643,11 @@ module Gitlab
             let(:include_content) do
               [
                 'https://gitlab.com/awesome-project/raw/master/.before-script-template.yml',
+                '/templates/.after-script-template.yml',
                 { template: 'Auto-DevOps.gitlab-ci.yml' }
               ]
             end
 
-            before do
-              WebMock.stub_request(:get, 'https://gitlab.com/awesome-project/raw/master/.before-script-template.yml')
-                .to_return(
-                  status: 200,
-                  headers: { 'Content-Type' => 'application/json' },
-                  body: 'prepare: { script: ls -al }')
-            end
-
             it "does not return any error" do
               expect { subject }.not_to raise_error
             end