Revert "Merge branch 'dont-persist-application-settings-in-test-env' into 'master'"

This reverts merge request !8573

12 files changed, 104 insertions, 141 deletions

diff --git a/app/models/application_setting.rb b/app/models/application_setting.rb
index e33a58d3771..8fab77cda0a 100644
--- a/app/models/application_setting.rb
+++ b/app/models/application_setting.rb
@@ -13,49 +13,6 @@ class ApplicationSetting < ActiveRecord::Base
                             [\r\n]          # any number of newline characters
                           }x
 
-  DEFAULTS_CE = {
-    after_sign_up_text: nil,
-    akismet_enabled: false,
-    container_registry_token_expire_delay: 5,
-    default_branch_protection: Settings.gitlab['default_branch_protection'],
-    default_project_visibility: Settings.gitlab.default_projects_features['visibility_level'],
-    default_projects_limit: Settings.gitlab['default_projects_limit'],
-    default_snippet_visibility: Settings.gitlab.default_projects_features['visibility_level'],
-    disabled_oauth_sign_in_sources: [],
-    domain_whitelist: Settings.gitlab['domain_whitelist'],
-    gravatar_enabled: Settings.gravatar['enabled'],
-    help_page_text: nil,
-    housekeeping_bitmaps_enabled: true,
-    housekeeping_enabled: true,
-    housekeeping_full_repack_period: 50,
-    housekeeping_gc_period: 200,
-    housekeeping_incremental_repack_period: 10,
-    import_sources: Gitlab::ImportSources.values,
-    koding_enabled: false,
-    koding_url: nil,
-    max_artifacts_size: Settings.artifacts['max_size'],
-    max_attachment_size: Settings.gitlab['max_attachment_size'],
-    plantuml_enabled: false,
-    plantuml_url: nil,
-    recaptcha_enabled: false,
-    repository_checks_enabled: true,
-    repository_storages: ['default'],
-    require_two_factor_authentication: false,
-    restricted_visibility_levels: Settings.gitlab['restricted_visibility_levels'],
-    session_expire_delay: Settings.gitlab['session_expire_delay'],
-    send_user_confirmation_email: false,
-    shared_runners_enabled: Settings.gitlab_ci['shared_runners_enabled'],
-    shared_runners_text: nil,
-    sidekiq_throttling_enabled: false,
-    sign_in_text: nil,
-    signin_enabled: Settings.gitlab['signin_enabled'],
-    signup_enabled: Settings.gitlab['signup_enabled'],
-    two_factor_grace_period: 48,
-    user_default_external: false
-  }
-
-  DEFAULTS = DEFAULTS_CE
-
   serialize :restricted_visibility_levels
   serialize :import_sources
   serialize :disabled_oauth_sign_in_sources, Array
@@ -206,7 +163,46 @@ class ApplicationSetting < ActiveRecord::Base
   end
 
   def self.create_from_defaults
-    create(DEFAULTS)
+    create(
+      default_projects_limit: Settings.gitlab['default_projects_limit'],
+      default_branch_protection: Settings.gitlab['default_branch_protection'],
+      signup_enabled: Settings.gitlab['signup_enabled'],
+      signin_enabled: Settings.gitlab['signin_enabled'],
+      gravatar_enabled: Settings.gravatar['enabled'],
+      sign_in_text: nil,
+      after_sign_up_text: nil,
+      help_page_text: nil,
+      shared_runners_text: nil,
+      restricted_visibility_levels: Settings.gitlab['restricted_visibility_levels'],
+      max_attachment_size: Settings.gitlab['max_attachment_size'],
+      session_expire_delay: Settings.gitlab['session_expire_delay'],
+      default_project_visibility: Settings.gitlab.default_projects_features['visibility_level'],
+      default_snippet_visibility: Settings.gitlab.default_projects_features['visibility_level'],
+      domain_whitelist: Settings.gitlab['domain_whitelist'],
+      import_sources: Gitlab::ImportSources.values,
+      shared_runners_enabled: Settings.gitlab_ci['shared_runners_enabled'],
+      max_artifacts_size: Settings.artifacts['max_size'],
+      require_two_factor_authentication: false,
+      two_factor_grace_period: 48,
+      recaptcha_enabled: false,
+      akismet_enabled: false,
+      koding_enabled: false,
+      koding_url: nil,
+      plantuml_enabled: false,
+      plantuml_url: nil,
+      repository_checks_enabled: true,
+      disabled_oauth_sign_in_sources: [],
+      send_user_confirmation_email: false,
+      container_registry_token_expire_delay: 5,
+      repository_storages: ['default'],
+      user_default_external: false,
+      sidekiq_throttling_enabled: false,
+      housekeeping_enabled: true,
+      housekeeping_bitmaps_enabled: true,
+      housekeeping_incremental_repack_period: 10,
+      housekeeping_full_repack_period: 50,
+      housekeeping_gc_period: 200,
+    )
   end
 
   def home_page_url_column_exist
diff --git a/lib/gitlab/current_settings.rb b/lib/gitlab/current_settings.rb
index c79e17b57ee..2ff27e46d64 100644
--- a/lib/gitlab/current_settings.rb
+++ b/lib/gitlab/current_settings.rb
@@ -9,9 +9,7 @@ module Gitlab
     end
 
     def ensure_application_settings!
-      return fake_application_settings unless connect_to_db?
-
-      unless ENV['IN_MEMORY_APPLICATION_SETTINGS'] == 'true'
+      if connect_to_db?
         begin
           settings = ::ApplicationSetting.current
         # In case Redis isn't running or the Redis UNIX socket file is not available
@@ -22,23 +20,43 @@ module Gitlab
         settings ||= ::ApplicationSetting.create_from_defaults unless ActiveRecord::Migrator.needs_migration?
       end
 
-      settings || in_memory_application_settings
+      settings || fake_application_settings
     end
 
     def sidekiq_throttling_enabled?
       current_application_settings.sidekiq_throttling_enabled?
     end
 
-    def in_memory_application_settings
-      @in_memory_application_settings ||= ApplicationSetting.new(ApplicationSetting::DEFAULTS)
-    # In case migrations the application_settings table is not created yet,
-    # we fallback to a simple OpenStruct
-    rescue ActiveRecord::StatementInvalid
-      fake_application_settings
-    end
-
     def fake_application_settings
-      OpenStruct.new(ApplicationSetting::DEFAULTS)
+      OpenStruct.new(
+        default_projects_limit: Settings.gitlab['default_projects_limit'],
+        default_branch_protection: Settings.gitlab['default_branch_protection'],
+        signup_enabled: Settings.gitlab['signup_enabled'],
+        signin_enabled: Settings.gitlab['signin_enabled'],
+        gravatar_enabled: Settings.gravatar['enabled'],
+        koding_enabled: false,
+        plantuml_enabled: false,
+        sign_in_text: nil,
+        after_sign_up_text: nil,
+        help_page_text: nil,
+        shared_runners_text: nil,
+        restricted_visibility_levels: Settings.gitlab['restricted_visibility_levels'],
+        max_attachment_size: Settings.gitlab['max_attachment_size'],
+        session_expire_delay: Settings.gitlab['session_expire_delay'],
+        default_project_visibility: Settings.gitlab.default_projects_features['visibility_level'],
+        default_snippet_visibility: Settings.gitlab.default_projects_features['visibility_level'],
+        domain_whitelist: Settings.gitlab['domain_whitelist'],
+        import_sources: %w[gitea github bitbucket gitlab google_code fogbugz git gitlab_project],
+        shared_runners_enabled: Settings.gitlab_ci['shared_runners_enabled'],
+        max_artifacts_size: Settings.artifacts['max_size'],
+        require_two_factor_authentication: false,
+        two_factor_grace_period: 48,
+        akismet_enabled: false,
+        repository_checks_enabled: true,
+        container_registry_token_expire_delay: 5,
+        user_default_external: false,
+        sidekiq_throttling_enabled: false,
+      )
     end
 
     private
diff --git a/lib/gitlab/github_import/project_creator.rb b/lib/gitlab/github_import/project_creator.rb
index a55adc9b1c8..3f635be22ba 100644
--- a/lib/gitlab/github_import/project_creator.rb
+++ b/lib/gitlab/github_import/project_creator.rb
@@ -1,8 +1,6 @@
 module Gitlab
   module GithubImport
     class ProjectCreator
-      include Gitlab::CurrentSettings
-
       attr_reader :repo, :name, :namespace, :current_user, :session_data, :type
 
       def initialize(repo, name, namespace, current_user, session_data, type: 'github')
@@ -36,7 +34,7 @@ module Gitlab
       end
 
       def visibility_level
-        repo.private ? Gitlab::VisibilityLevel::PRIVATE : current_application_settings.default_project_visibility
+        repo.private ? Gitlab::VisibilityLevel::PRIVATE : ApplicationSetting.current.default_project_visibility
       end
 
       #
diff --git a/spec/controllers/health_check_controller_spec.rb b/spec/controllers/health_check_controller_spec.rb
index cfe18dd4b6c..56ecf2bb644 100644
--- a/spec/controllers/health_check_controller_spec.rb
+++ b/spec/controllers/health_check_controller_spec.rb
@@ -1,16 +1,10 @@
 require 'spec_helper'
 
 describe HealthCheckController do
-  include StubENV
-
   let(:token) { current_application_settings.health_check_access_token }
   let(:json_response) { JSON.parse(response.body) }
   let(:xml_response) { Hash.from_xml(response.body)['hash'] }
 
-  before do
-    stub_env('IN_MEMORY_APPLICATION_SETTINGS', 'false')
-  end
-
   describe 'GET #index' do
     context 'when services are up but NO access token' do
       it 'returns a not found page' do
diff --git a/spec/features/admin/admin_disables_git_access_protocol_spec.rb b/spec/features/admin/admin_disables_git_access_protocol_spec.rb
index e8e080ce3e2..66044b44495 100644
--- a/spec/features/admin/admin_disables_git_access_protocol_spec.rb
+++ b/spec/features/admin/admin_disables_git_access_protocol_spec.rb
@@ -1,13 +1,10 @@
 require 'rails_helper'
 
 feature 'Admin disables Git access protocol', feature: true do
-  include StubENV
-
   let(:project) { create(:empty_project, :empty_repo) }
   let(:admin) { create(:admin) }
 
   background do
-    stub_env('IN_MEMORY_APPLICATION_SETTINGS', 'false')
     login_as(admin)
   end
 
diff --git a/spec/features/admin/admin_health_check_spec.rb b/spec/features/admin/admin_health_check_spec.rb
index f7e49a56deb..dec2dedf2b5 100644
--- a/spec/features/admin/admin_health_check_spec.rb
+++ b/spec/features/admin/admin_health_check_spec.rb
@@ -1,11 +1,9 @@
 require 'spec_helper'
 
 feature "Admin Health Check", feature: true do
-  include StubENV
   include WaitForAjax
 
   before do
-    stub_env('IN_MEMORY_APPLICATION_SETTINGS', 'false')
     login_as :admin
   end
 
@@ -14,12 +12,11 @@ feature "Admin Health Check", feature: true do
       visit admin_health_check_path
     end
 
-    it 'has a health check access token' do
-      page.has_text? 'Health Check'
-      page.has_text? 'Health information can be retrieved'
+    it { page.has_text? 'Health Check' }
+    it { page.has_text? 'Health information can be retrieved' }
 
+    it 'has a health check access token' do
       token = current_application_settings.health_check_access_token
-
       expect(page).to have_content("Access token is #{token}")
       expect(page).to have_selector('#health-check-token', text: token)
     end
diff --git a/spec/features/admin/admin_runners_spec.rb b/spec/features/admin/admin_runners_spec.rb
index f05fbe3d062..d92c66b689d 100644
--- a/spec/features/admin/admin_runners_spec.rb
+++ b/spec/features/admin/admin_runners_spec.rb
@@ -1,10 +1,7 @@
 require 'spec_helper'
 
 describe "Admin Runners" do
-  include StubENV
-
   before do
-    stub_env('IN_MEMORY_APPLICATION_SETTINGS', 'false')
     login_as :admin
   end
 
diff --git a/spec/features/admin/admin_settings_spec.rb b/spec/features/admin/admin_settings_spec.rb
index de42ab81fac..47fa2f14307 100644
--- a/spec/features/admin/admin_settings_spec.rb
+++ b/spec/features/admin/admin_settings_spec.rb
@@ -1,10 +1,7 @@
 require 'spec_helper'
 
 feature 'Admin updates settings', feature: true do
-  include StubENV
-
-  before do
-    stub_env('IN_MEMORY_APPLICATION_SETTINGS', 'false')
+  before(:each) do
     login_as :admin
     visit admin_application_settings_path
   end
diff --git a/spec/features/admin/admin_uses_repository_checks_spec.rb b/spec/features/admin/admin_uses_repository_checks_spec.rb
index 855247de2ea..661fb761809 100644
--- a/spec/features/admin/admin_uses_repository_checks_spec.rb
+++ b/spec/features/admin/admin_uses_repository_checks_spec.rb
@@ -1,12 +1,7 @@
 require 'rails_helper'
 
 feature 'Admin uses repository checks', feature: true do
-  include StubENV
-
-  before do
-    stub_env('IN_MEMORY_APPLICATION_SETTINGS', 'false')
-    login_as :admin
-  end
+  before { login_as :admin }
 
   scenario 'to trigger a single check' do
     project = create(:empty_project)
@@ -34,7 +29,7 @@ feature 'Admin uses repository checks', feature: true do
 
   scenario 'to clear all repository checks', js: true do
     visit admin_application_settings_path
-
+    
     expect(RepositoryCheck::ClearWorker).to receive(:perform_async)
 
     click_link 'Clear all repository checks'
diff --git a/spec/lib/gitlab/current_settings_spec.rb b/spec/lib/gitlab/current_settings_spec.rb
index b01c4805a34..004341ffd02 100644
--- a/spec/lib/gitlab/current_settings_spec.rb
+++ b/spec/lib/gitlab/current_settings_spec.rb
@@ -1,64 +1,36 @@
 require 'spec_helper'
 
 describe Gitlab::CurrentSettings do
-  include StubENV
-
-  before do
-    stub_env('IN_MEMORY_APPLICATION_SETTINGS', 'false')
-  end
-
   describe '#current_application_settings' do
-    context 'with DB available' do
-      before do
-        allow_any_instance_of(Gitlab::CurrentSettings).to receive(:connect_to_db?).and_return(true)
-      end
-
-      it 'attempts to use cached values first' do
-        expect(ApplicationSetting).to receive(:current)
-        expect(ApplicationSetting).not_to receive(:last)
-
-        expect(current_application_settings).to be_a(ApplicationSetting)
-      end
+    it 'attempts to use cached values first' do
+      allow_any_instance_of(Gitlab::CurrentSettings).to receive(:connect_to_db?).and_return(true)
+      expect(ApplicationSetting).to receive(:current).and_return(::ApplicationSetting.create_from_defaults)
+      expect(ApplicationSetting).not_to receive(:last)
 
-      it 'falls back to DB if Redis returns an empty value' do
-        expect(ApplicationSetting).to receive(:last).and_call_original
-
-        expect(current_application_settings).to be_a(ApplicationSetting)
-      end
+      expect(current_application_settings).to be_a(ApplicationSetting)
+    end
 
-      it 'falls back to DB if Redis fails' do
-        expect(ApplicationSetting).to receive(:current).and_raise(::Redis::BaseError)
-        expect(ApplicationSetting).to receive(:last).and_call_original
+    it 'does not attempt to connect to DB or Redis' do
+      allow_any_instance_of(Gitlab::CurrentSettings).to receive(:connect_to_db?).and_return(false)
+      expect(ApplicationSetting).not_to receive(:current)
+      expect(ApplicationSetting).not_to receive(:last)
 
-        expect(current_application_settings).to be_a(ApplicationSetting)
-      end
+      expect(current_application_settings).to eq fake_application_settings
     end
 
-    context 'with DB unavailable' do
-      before do
-        allow_any_instance_of(Gitlab::CurrentSettings).to receive(:connect_to_db?).and_return(false)
-      end
+    it 'falls back to DB if Redis returns an empty value' do
+      allow_any_instance_of(Gitlab::CurrentSettings).to receive(:connect_to_db?).and_return(true)
+      expect(ApplicationSetting).to receive(:last).and_call_original
 
-      it 'returns an in-memory ApplicationSetting object' do
-        expect(ApplicationSetting).not_to receive(:current)
-        expect(ApplicationSetting).not_to receive(:last)
-
-        expect(current_application_settings).to be_a(OpenStruct)
-      end
+      expect(current_application_settings).to be_a(ApplicationSetting)
     end
 
-    context 'when ENV["IN_MEMORY_APPLICATION_SETTINGS"] is true' do
-      before do
-        stub_env('IN_MEMORY_APPLICATION_SETTINGS', 'true')
-      end
-
-      it 'returns an in-memory ApplicationSetting object' do
-        expect(ApplicationSetting).not_to receive(:current)
-        expect(ApplicationSetting).not_to receive(:last)
+    it 'falls back to DB if Redis fails' do
+      allow_any_instance_of(Gitlab::CurrentSettings).to receive(:connect_to_db?).and_return(true)
+      expect(ApplicationSetting).to receive(:current).and_raise(::Redis::BaseError)
+      expect(ApplicationSetting).to receive(:last).and_call_original
 
-        expect(current_application_settings).to be_a(ApplicationSetting)
-        expect(current_application_settings).not_to be_persisted
-      end
+      expect(current_application_settings).to be_a(ApplicationSetting)
     end
   end
 end
diff --git a/spec/requests/api/internal_spec.rb b/spec/requests/api/internal_spec.rb
index 91202244227..a3798c8cd6c 100644
--- a/spec/requests/api/internal_spec.rb
+++ b/spec/requests/api/internal_spec.rb
@@ -337,7 +337,8 @@ describe API::Internal, api: true  do
 
     context 'ssh access has been disabled' do
       before do
-        stub_application_setting(enabled_git_access_protocol: 'http')
+        settings = ::ApplicationSetting.create_from_defaults
+        settings.update_attribute(:enabled_git_access_protocol, 'http')
       end
 
       it 'rejects the SSH push' do
@@ -359,7 +360,8 @@ describe API::Internal, api: true  do
 
     context 'http access has been disabled' do
       before do
-        stub_application_setting(enabled_git_access_protocol: 'ssh')
+        settings = ::ApplicationSetting.create_from_defaults
+        settings.update_attribute(:enabled_git_access_protocol, 'ssh')
       end
 
       it 'rejects the HTTP push' do
@@ -381,7 +383,8 @@ describe API::Internal, api: true  do
 
     context 'web actions are always allowed' do
       it 'allows WEB push' do
-        stub_application_setting(enabled_git_access_protocol: 'ssh')
+        settings = ::ApplicationSetting.create_from_defaults
+        settings.update_attribute(:enabled_git_access_protocol, 'ssh')
         project.team << [user, :developer]
         push(key, project, 'web')
 
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index f78899134d5..6ee3307512d 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -2,7 +2,6 @@ require './spec/simplecov_env'
 SimpleCovEnv.start!
 
 ENV["RAILS_ENV"] ||= 'test'
-ENV["IN_MEMORY_APPLICATION_SETTINGS"] = 'true'
 
 require File.expand_path("../../config/environment", __FILE__)
 require 'rspec/rails'