Remove feature flag related code

Removes feature flag checks and reverts spec files to using
fast_spec_helper

app/models/commit_status.rb

@@ -203,7 +203,7 @@ class CommitStatus < ApplicationRecord
     common_name = name.to_s.gsub(%r{\d+[\s:\/\\]+\d+\s*}, '')
 
     # 'rspec:linux: [aws, max memory]' => 'rspec:linux'
-    common_name.gsub!(%r{: \[.*, .*\]\s*\z}, '') if Gitlab::Ci::Features.new_matrix_job_names_enabled?
+    common_name.gsub!(%r{: \[.*, .*\]\s*\z}, '')
 
     common_name.strip!
     common_name

changelogs/unreleased/matrix-job-names-rollout.yml

+---
+title: Parallel matrix jobs show relevant variables in job name
+merge_request: 41080
+author:
+type: added

config/feature_flags/development/ci_matrix_job_names.yml

----
-name: ci_matrix_job_names
-introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/39985
-rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/239012
-group: 'group::continuous integration'
-type: development
-default_enabled: false

doc/ci/yaml/README.md

@@ -3589,17 +3589,19 @@ deploystacks:
 This generates 10 parallel `deploystacks` jobs, each with different values for `PROVIDER` and `STACK`:
 
 ```plaintext
-deploystacks 1/10 with PROVIDER=aws and STACK=monitoring
-deploystacks 2/10 with PROVIDER=aws and STACK=app1
-deploystacks 3/10 with PROVIDER=aws and STACK=app2
-deploystacks 4/10 with PROVIDER=ovh and STACK=monitoring
-deploystacks 5/10 with PROVIDER=ovh and STACK=backup
-deploystacks 6/10 with PROVIDER=ovh and STACK=app
-deploystacks 7/10 with PROVIDER=gcp and STACK=data
-deploystacks 8/10 with PROVIDER=gcp and STACK=processing
-deploystacks 9/10 with PROVIDER=vultr and STACK=data
-deploystacks 10/10 with PROVIDER=vultr and STACK=processing
-```
+deploystacks: [aws, monitoring]
+deploystacks: [aws, app1]
+deploystacks: [aws, app2]
+deploystacks: [ovh, monitoring]
+deploystacks: [ovh, backup]
+deploystacks: [ovh, app]
+deploystacks: [gcp, data]
+deploystacks: [gcp, processing]
+deploystacks: [vultr, data]
+deploystacks: [vultr, processing]
+```
+
+Job naming style [was improved](https://gitlab.com/gitlab-org/gitlab/-/issues/230452) in GitLab 13.4.
 
 ### `trigger`
 

lib/gitlab/ci/config/normalizer/matrix_strategy.rb

@@ -49,16 +49,6 @@ module Gitlab
           end
 
           def name
-            if Gitlab::Ci::Features.new_matrix_job_names_enabled?
-              name_with_variable_details
-            else
-              old_name
-            end
-          end
-
-          private
-
-          def name_with_variable_details
             vars = variables
               .values
               .compact
@@ -67,9 +57,7 @@ module Gitlab
             "#{job_name}: [#{vars}]"
           end
 
-          def old_name
-            "#{job_name} #{instance}/#{total}"
-          end
+          private
 
           attr_reader :job_name, :instance, :variables, :total
         end

lib/gitlab/ci/features.rb

@@ -72,10 +72,6 @@ module Gitlab
         Feature.enabled?(:project_transactionless_destroy, project, default_enabled: false)
       end
 
-      def self.new_matrix_job_names_enabled?
-        ::Feature.enabled?(:ci_matrix_job_names, default_enabled: false)
-      end
-
       def self.coverage_report_view?(project)
         ::Feature.enabled?(:coverage_report_view, project)
       end

spec/lib/gitlab/ci/config/normalizer/matrix_strategy_spec.rb

 # frozen_string_literal: true
 
-require 'spec_helper'
+require 'fast_spec_helper'
 
 RSpec.describe Gitlab::Ci::Config::Normalizer::MatrixStrategy do
   describe '.applies_to?' do
@@ -39,66 +39,6 @@ RSpec.describe Gitlab::Ci::Config::Normalizer::MatrixStrategy do
 
     it { expect(subject.size).to eq(4) }
 
-    context 'with new_matrix_job_names_enabled ff disabled' do
-      before do
-        stub_feature_flags(ci_matrix_job_names: false)
-      end
-
-      it 'has attributes' do
-        expect(subject.map(&:attributes)).to match_array(
-          [
-            {
-              name: 'test 1/4',
-              instance: 1,
-              parallel: { total: 4 },
-              variables: {
-                'PROVIDER' => 'aws',
-                'STACK' => 'app1'
-              }
-            },
-            {
-              name: 'test 2/4',
-              instance: 2,
-              parallel: { total: 4 },
-              variables: {
-                'PROVIDER' => 'aws',
-                'STACK' => 'app2'
-              }
-            },
-            {
-              name: 'test 3/4',
-              instance: 3,
-              parallel: { total: 4 },
-              variables: {
-                'PROVIDER' => 'ovh',
-                'STACK' => 'app'
-              }
-            },
-            {
-              name: 'test 4/4',
-              instance: 4,
-              parallel: { total: 4 },
-              variables: {
-                'PROVIDER' => 'gcp',
-                'STACK' => 'app'
-              }
-            }
-          ]
-        )
-      end
-
-      it 'has parallelized name' do
-        expect(subject.map(&:name)).to match_array(
-          ['test 1/4', 'test 2/4', 'test 3/4', 'test 4/4']
-        )
-      end
-    end
-
-    context 'with new_matrix_job_names_enabled ff enabled' do
-      before do
-        stub_feature_flags(ci_matrix_job_names: true)
-      end
-
     it 'has attributes' do
       expect(subject.map(&:attributes)).to match_array(
         [
@@ -148,5 +88,4 @@ RSpec.describe Gitlab::Ci::Config::Normalizer::MatrixStrategy do
       )
     end
   end
-  end
 end

spec/lib/gitlab/ci/config/normalizer_spec.rb

 # frozen_string_literal: true
 
-require 'spec_helper'
+require 'fast_spec_helper'
 
 RSpec.describe Gitlab::Ci::Config::Normalizer do
   let(:job_name) { :rspec }
@@ -185,6 +185,13 @@ RSpec.describe Gitlab::Ci::Config::Normalizer do
         }
       end
 
+      let(:expanded_job_names) do
+        [
+          'rspec: [A, B]',
+          'rspec: [A, C]'
+        ]
+      end
+
       it 'does not have original job' do
         is_expected.not_to include(job_name)
       end
@@ -215,18 +222,6 @@ RSpec.describe Gitlab::Ci::Config::Normalizer do
         expect(configs).to all(match(a_hash_including(original_config)))
       end
 
-      context 'with new_matrix_job_names_enabled ff enabled' do
-        let(:expanded_job_names) do
-          [
-            'rspec: [A, B]',
-            'rspec: [A, C]'
-          ]
-        end
-
-        before do
-          stub_feature_flags(ci_matrix_job_names: true)
-        end
-
       it 'has parallelized jobs' do
         is_expected.to include(*expanded_job_names.map(&:to_sym))
       end
@@ -235,27 +230,6 @@ RSpec.describe Gitlab::Ci::Config::Normalizer do
       it_behaves_like 'parallel needs'
     end
 
-      context 'with new_matrix_job_names_enabled ff disabled' do
-        let(:expanded_job_names) do
-          [
-            'rspec 1/2',
-            'rspec 2/2'
-          ]
-        end
-
-        before do
-          stub_feature_flags(ci_matrix_job_names: false)
-        end
-
-        it 'has parallelized jobs' do
-          is_expected.to include(*expanded_job_names.map(&:to_sym))
-        end
-
-        it_behaves_like 'parallel dependencies'
-        it_behaves_like 'parallel needs'
-      end
-    end
-
     context 'when parallel config does not matches a factory' do
       let(:variables_config) { {} }
       let(:parallel_config) { }