Remove ci_predefined_vars_in_builder feature flag

Changelog: other

app/models/ci/pipeline.rb

@@ -1276,12 +1276,6 @@ module Ci
       self.builds.latest.build_matchers(project)
     end
 
-    def predefined_vars_in_builder_enabled?
-      strong_memoize(:predefined_vars_in_builder_enabled) do
-        Feature.enabled?(:ci_predefined_vars_in_builder, project, default_enabled: :yaml)
-      end
-    end
-
     def authorized_cluster_agents
       strong_memoize(:authorized_cluster_agents) do
         ::Clusters::AgentAuthorizationsFinder.new(project).execute.map(&:agent)

app/models/concerns/ci/contextable.rb

@@ -13,7 +13,6 @@ module Ci
       track_duration do
         variables = pipeline.variables_builder.scoped_variables(self, environment: environment, dependencies: dependencies)
 
-        variables.concat(predefined_variables) unless pipeline.predefined_vars_in_builder_enabled?
         variables.concat(project.predefined_variables)
         variables.concat(pipeline.predefined_variables)
         variables.concat(runner.predefined_variables) if runnable? && runner
@@ -71,24 +70,6 @@ module Ci
       end
     end
 
-    def predefined_variables
-      Gitlab::Ci::Variables::Collection.new.tap do |variables|
-        variables.append(key: 'CI_JOB_NAME', value: name)
-        variables.append(key: 'CI_JOB_STAGE', value: stage)
-        variables.append(key: 'CI_JOB_MANUAL', value: 'true') if action?
-        variables.append(key: 'CI_PIPELINE_TRIGGERED', value: 'true') if trigger_request
-
-        variables.append(key: 'CI_NODE_INDEX', value: self.options[:instance].to_s) if self.options&.include?(:instance)
-        variables.append(key: 'CI_NODE_TOTAL', value: ci_node_total_value.to_s)
-
-        # legacy variables
-        variables.append(key: 'CI_BUILD_NAME', value: name)
-        variables.append(key: 'CI_BUILD_STAGE', value: stage)
-        variables.append(key: 'CI_BUILD_TRIGGERED', value: 'true') if trigger_request
-        variables.append(key: 'CI_BUILD_MANUAL', value: 'true') if action?
-      end
-    end
-
     def kubernetes_variables
       ::Gitlab::Ci::Variables::Collection.new.tap do |collection|
         # Should get merged with the cluster kubeconfig in deployment_variables, see
@@ -123,13 +104,5 @@ module Ci
     def secret_project_variables(environment: expanded_environment_name)
       project.ci_variables_for(ref: git_ref, environment: environment)
     end
-
-    private
-
-    def ci_node_total_value
-      parallel = self.options&.dig(:parallel)
-      parallel = parallel.dig(:total) if parallel.is_a?(Hash)
-      parallel || 1
-    end
   end
 end

config/feature_flags/development/ci_predefined_vars_in_builder.yml

----
-name: ci_predefined_vars_in_builder
-introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/72348
-rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/231300
-milestone: '14.4'
-type: development
-group: group::pipeline authoring
-default_enabled: false

lib/gitlab/ci/variables/builder.rb

@@ -12,7 +12,7 @@ module Gitlab
 
         def scoped_variables(job, environment:, dependencies:)
           Gitlab::Ci::Variables::Collection.new.tap do |variables|
-            variables.concat(predefined_variables(job)) if pipeline.predefined_vars_in_builder_enabled?
+            variables.concat(predefined_variables(job))
           end
         end
 

spec/lib/gitlab/ci/variables/builder_spec.rb

@@ -24,15 +24,5 @@ RSpec.describe Gitlab::Ci::Variables::Builder do
         expect(names).to include(*keys)
       end
     end
-
-    context 'feature flag disabled' do
-      before do
-        stub_feature_flags(ci_predefined_vars_in_builder: false)
-      end
-
-      it 'returns no variables' do
-        expect(subject.map { |env| env[:key] }).to be_empty
-      end
-    end
   end
 end

spec/models/ci/build_spec.rb

@@ -3421,10 +3421,6 @@ RSpec.describe Ci::Build do
   end
 
   describe '#scoped_variables' do
-    before do
-      pipeline.clear_memoization(:predefined_vars_in_builder_enabled)
-    end
-
     it 'records a prometheus metric' do
       histogram = double(:histogram)
       expect(::Gitlab::Ci::Pipeline::Metrics).to receive(:pipeline_builder_scoped_variables_histogram)
@@ -3522,22 +3518,6 @@ RSpec.describe Ci::Build do
 
       build.scoped_variables
     end
-
-    context 'when ci builder feature flag is disabled' do
-      before do
-        stub_feature_flags(ci_predefined_vars_in_builder: false)
-      end
-
-      it 'does not delegate to the variable builders' do
-        expect_next_instance_of(Gitlab::Ci::Variables::Builder) do |builder|
-          expect(builder).not_to receive(:predefined_variables)
-        end
-
-        build.scoped_variables
-      end
-
-      it_behaves_like 'calculates scoped_variables'
-    end
   end
 
   describe '#simple_variables_without_dependencies' do