Cleanup `ci_validate_build_dependencies` feature flag

This commit removes the `ci_validate_build_dependencies` feature flag.

app/models/ci/build_dependencies.rb

@@ -105,8 +105,6 @@ module Ci
     end
 
     def valid_local?
-      return true unless Gitlab::Ci::Features.validate_build_dependencies?(project)
-
       local.all?(&:valid_dependency?)
     end
 

changelogs/unreleased/cleanup-ci_validate_build_dependencies-feature-flag.yml

+---
+title: Validate CI pipeline jobs dependencies
+merge_request: 60999
+author:
+type: changed

config/feature_flags/development/ci_validate_build_dependencies.yml

----
-name: ci_validate_build_dependencies
-introduced_by_url: https://gitlab.com/gitlab-org/gitlab-foss/-/merge_requests/14009
-rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/257852
-milestone: '10.3'
-type: development
-group: group::continuous integration
-default_enabled: true

config/feature_flags/development/ci_validate_build_dependencies_override.yml

----
-name: ci_validate_build_dependencies_override
-introduced_by_url: https://gitlab.com/gitlab-org/gitlab-foss/-/merge_requests/14009
-rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/257852
-milestone: '10.3'
-type: development
-group: group::continuous integration
-default_enabled: false

doc/administration/job_artifacts.md

@@ -370,42 +370,6 @@ steps below.
 If the `expire` directive is not set explicitly in your pipeline, artifacts expire per the
 default artifacts expiration setting, which you can find in the [CI/CD Administration settings](../user/admin_area/settings/continuous_integration.md).
 
-## Validation for dependencies
-
-> Introduced in GitLab 10.3.
-
-To disable [the dependencies validation](../ci/yaml/README.md#when-a-dependent-job-fails),
-you can enable the `ci_validate_build_dependencies_override` feature flag from a Rails console.
-
-**In Omnibus installations:**
-
-1. Enter the Rails console:
-
-   ```shell
-   sudo gitlab-rails console
-   ```
-
-1. Enable the feature flag to disable the validation:
-
-   ```ruby
-   Feature.enable(:ci_validate_build_dependencies_override)
-   ```
-
-**In installations from source:**
-
-1. Enter the Rails console:
-
-   ```shell
-   cd /home/git/gitlab
-   sudo -u git -H bundle exec rails console -e production
-   ```
-
-1. Enable the feature flag to disable the validation:
-
-   ```ruby
-   Feature.enable(:ci_validate_build_dependencies_override)
-   ```
-
 ## Set the maximum file size of the artifacts
 
 If artifacts are enabled, you can change the maximum file size of the

doc/ci/yaml/README.md

@@ -3287,10 +3287,6 @@ If the artifacts of the job that is set as a dependency are
 [deleted](../pipelines/job_artifacts.md#delete-job-artifacts), then
 the dependent job fails.
 
-You can ask your administrator to
-[flip this switch](../../administration/job_artifacts.md#validation-for-dependencies)
-and bring back the old behavior.
-
 #### `artifacts:exclude`
 
 > - [Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/15122) in GitLab 13.1

lib/gitlab/ci/features.rb

@@ -47,11 +47,6 @@ module Gitlab
         ::Feature.enabled?(:ci_trace_log_invalid_chunks, project, type: :ops, default_enabled: false)
       end
 
-      def self.validate_build_dependencies?(project)
-        ::Feature.enabled?(:ci_validate_build_dependencies, project, default_enabled: :yaml) &&
-          ::Feature.disabled?(:ci_validate_build_dependencies_override, project)
-      end
-
       def self.display_quality_on_mr_diff?(project)
         ::Feature.enabled?(:codequality_mr_diff, project, default_enabled: false)
       end

spec/models/ci/build_dependencies_spec.rb

@@ -18,10 +18,6 @@ RSpec.describe Ci::BuildDependencies do
   let!(:rubocop_test) { create(:ci_build, pipeline: pipeline, name: 'rubocop', stage_idx: 1, stage: 'test') }
   let!(:staging) { create(:ci_build, pipeline: pipeline, name: 'staging', stage_idx: 2, stage: 'deploy') }
 
-  before do
-    stub_feature_flags(ci_validate_build_dependencies_override: false)
-  end
-
   context 'for local dependencies' do
     subject { described_class.new(job).all }
 
@@ -378,14 +374,6 @@ RSpec.describe Ci::BuildDependencies do
       end
 
       it { is_expected.to eq(false) }
-
-      context 'when ci_validate_build_dependencies_override feature flag is enabled' do
-        before do
-          stub_feature_flags(ci_validate_build_dependencies_override: job.project)
-        end
-
-        it { is_expected.to eq(true) }
-      end
     end
   end
 end

spec/models/ci/build_spec.rb

@@ -3631,41 +3631,24 @@ RSpec.describe Ci::Build do
     end
 
     let!(:job) { create(:ci_build, :pending, pipeline: pipeline, stage_idx: 1, options: options) }
+    let!(:pre_stage_job) { create(:ci_build, :success, pipeline: pipeline, name: 'test', stage_idx: 0) }
 
-    context 'when validates for dependencies is enabled' do
-      before do
-        stub_feature_flags(ci_validate_build_dependencies_override: false)
-      end
-
-      let!(:pre_stage_job) { create(:ci_build, :success, pipeline: pipeline, name: 'test', stage_idx: 0) }
-
-      context 'when "dependencies" keyword is not defined' do
-        let(:options) { {} }
-
-        it { expect(job).to have_valid_build_dependencies }
-      end
-
-      context 'when "dependencies" keyword is empty' do
-        let(:options) { { dependencies: [] } }
+    context 'when "dependencies" keyword is not defined' do
+      let(:options) { {} }
 
-        it { expect(job).to have_valid_build_dependencies }
-      end
+      it { expect(job).to have_valid_build_dependencies }
+    end
 
-      context 'when "dependencies" keyword is specified' do
-        let(:options) { { dependencies: ['test'] } }
+    context 'when "dependencies" keyword is empty' do
+      let(:options) { { dependencies: [] } }
 
-        it_behaves_like 'validation is active'
-      end
+      it { expect(job).to have_valid_build_dependencies }
     end
 
-    context 'when validates for dependencies is disabled' do
+    context 'when "dependencies" keyword is specified' do
       let(:options) { { dependencies: ['test'] } }
 
-      before do
-        stub_feature_flags(ci_validate_build_dependencies_override: true)
-      end
-
-      it_behaves_like 'validation is not active'
+      it_behaves_like 'validation is active'
     end
   end
 

spec/services/ci/register_job_service_spec.rb

@@ -516,10 +516,6 @@ module Ci
             end
           end
 
-          before do
-            stub_feature_flags(ci_validate_build_dependencies_override: false)
-          end
-
           let!(:pre_stage_job) { create(:ci_build, :success, pipeline: pipeline, name: 'test', stage_idx: 0) }
 
           let!(:pending_job) do
@@ -530,37 +526,7 @@ module Ci
 
           subject { execute(specific_runner) }
 
-          context 'when validates for dependencies is enabled' do
-            before do
-              stub_feature_flags(ci_validate_build_dependencies_override: false)
-            end
-
-            it_behaves_like 'validation is active'
-
-            context 'when the main feature flag is enabled for a specific project' do
-              before do
-                stub_feature_flags(ci_validate_build_dependencies: pipeline.project)
-              end
-
-              it_behaves_like 'validation is active'
-            end
-
-            context 'when the main feature flag is enabled for a different project' do
-              before do
-                stub_feature_flags(ci_validate_build_dependencies: create(:project))
-              end
-
-              it_behaves_like 'validation is not active'
-            end
-          end
-
-          context 'when validates for dependencies is disabled' do
-            before do
-              stub_feature_flags(ci_validate_build_dependencies_override: true)
-            end
-
-            it_behaves_like 'validation is not active'
-          end
+          it_behaves_like 'validation is active'
         end
 
         context 'when build is degenerated' do