Merge branch '118623-remove-db-dependency-from-setup-test-env-job-rc-attempt-2' into 'master'

ci: Make TestEnv not depend on Rails nor a DB connection (take 2)

See merge request gitlab-org/gitlab!63432

.gitlab/ci/rails.gitlab-ci.yml

@@ -149,13 +149,16 @@ setup-test-env:
     - .rails-job-base
     - .setup-test-env-cache
     - .rails:rules:code-backstage-qa
-    - .use-pg12
   stage: prepare
   variables:
     GITLAB_TEST_EAGER_LOAD: "0"
+    SETUP_DB: "false"
   script:
-    - run_timed_command "bundle exec ruby -I. -e 'require \"config/environment\"; TestEnv.init'"
+    - run_timed_command "scripts/setup-test-env"
+    - echo -e "\e[0Ksection_start:`date +%s`:gitaly-test-build[collapsed=true]\r\e[0KCompiling Gitaly binaries"
     - run_timed_command "scripts/gitaly-test-build"  # Do not use 'bundle exec' here
+    - echo -e "\e[0Ksection_end:`date +%s`:gitaly-test-build\r\e[0K"
+
   artifacts:
     expire_in: 7d
     paths:

ee/spec/support/helpers/ee/test_env.rb

@@ -2,23 +2,28 @@
 
 module EE
   module TestEnv
-    def init(*args, &blk)
+    extend ::Gitlab::Utils::Override
+
+    override :setup_methods
+    def setup_methods
+      (super + [:setup_indexer]).freeze
+    end
+
+    override :post_init
+    def post_init
       super
 
-      setup_indexer
+      Settings.elasticsearch['indexer_path'] = indexer_bin_path
     end
 
     def setup_indexer
-      indexer_args = [indexer_path, indexer_url].compact.join(',')
-
       component_timed_setup(
         'GitLab Elasticsearch Indexer',
         install_dir: indexer_path,
         version: indexer_version,
-        task: "gitlab:indexer:install[#{indexer_args}]"
+        task: "gitlab:indexer:install",
+        task_args: [indexer_path, indexer_url].compact
       )
-
-      Settings.elasticsearch['indexer_path'] = indexer_bin_path
     end
 
     def indexer_path

lib/gitlab/gitaly_client.rb

@@ -120,7 +120,7 @@ module Gitlab
         raise "storage #{storage.inspect} is missing a gitaly_address"
       end
 
-      unless URI(address).scheme.in?(%w(tcp unix tls))
+      unless %w(tcp unix tls).include?(URI(address).scheme)
         raise "Unsupported Gitaly address: #{address.inspect} does not use URL scheme 'tcp' or 'unix' or 'tls'"
       end
 

lib/gitlab/gitaly_client/storage_settings.rb

@@ -52,7 +52,7 @@ module Gitlab
         @legacy_disk_path = File.expand_path(storage['path'], Rails.root) if storage['path']
 
         storage['path'] = Deprecated
-        @hash = storage.with_indifferent_access
+        @hash = ActiveSupport::HashWithIndifferentAccess.new(storage)
       end
 
       def gitaly_address

lib/tasks/gitlab/helpers.rake

@@ -3,6 +3,8 @@
 # Prevent StateMachine warnings from outputting during a cron task
 StateMachines::Machine.ignore_method_conflicts = true if ENV['CRON']
 
-task gitlab_environment: :environment do
+task :gitlab_environment do
+  Rake::Task[:environment].invoke unless ENV['SKIP_RAILS_ENV_IN_RAKE']
+
   extend SystemCheck::Helpers
 end

scripts/setup-test-env

+#!/usr/bin/env ruby
+
+# frozen_string_literal: true
+
+require 'bundler/setup'
+
+require 'request_store'
+require 'rake'
+require 'active_support/dependencies'
+require 'active_support/dependencies/autoload'
+require 'active_support/core_ext/numeric'
+require 'active_support/string_inquirer'
+
+ENV['SKIP_RAILS_ENV_IN_RAKE'] = 'true'
+
+module Rails
+  extend self
+
+  def root
+    Pathname.new(File.expand_path('..', __dir__))
+  end
+
+  def env
+    @_env ||= ActiveSupport::StringInquirer.new(ENV["RAILS_ENV"] || ENV["RACK_ENV"] || "test")
+  end
+end
+
+ActiveSupport::Dependencies.autoload_paths << 'lib'
+
+load File.expand_path('../lib/tasks/gitlab/helpers.rake', __dir__)
+load File.expand_path('../lib/tasks/gitlab/gitaly.rake', __dir__)
+
+# Required for config/0_inject_enterprise_edition_module.rb, lib/gitlab/access.rb
+require_dependency File.expand_path('../lib/gitlab', __dir__)
+
+require_dependency File.expand_path('../config/initializers/0_inject_enterprise_edition_module', __dir__)
+
+# Require for lib/gitlab/gitaly_client/storage_settings.rb and config/initializers/1_settings.rb
+require 'active_support/hash_with_indifferent_access'
+
+# Required for lib/gitlab/visibility_level.rb and lib/gitlab/safe_request_store.rb
+require 'active_support/concern'
+require 'active_support/core_ext/module/delegation'
+
+# Required for lib/system_check/helpers.rb
+require_dependency File.expand_path('../lib/gitlab/task_helpers', __dir__)
+
+# Required for lib/tasks/gitlab/helpers.rake
+require_dependency File.expand_path('../lib/system_check/helpers', __dir__)
+
+# Required for config/initializers/1_settings.rb
+require 'omniauth'
+require 'omniauth-github'
+require 'etc'
+require_dependency File.expand_path('../lib/gitlab/access', __dir__)
+
+require_dependency File.expand_path('../config/initializers/1_settings', __dir__)
+
+Gitlab.ee do
+  load File.expand_path('../ee/lib/tasks/gitlab/indexer.rake', __dir__)
+
+  require_dependency File.expand_path('../ee/lib/gitlab/elastic/indexer', __dir__)
+  require_dependency File.expand_path('../lib/gitlab/utils/override', __dir__)
+end
+
+require_dependency File.expand_path('../spec/support/helpers/test_env', __dir__)
+
+TestEnv.init

spec/spec_helper.rb

@@ -230,6 +230,10 @@ RSpec.configure do |config|
     Gitlab::Database.set_open_transactions_baseline
   end
 
+  config.append_before do
+    Thread.current[:current_example_group] = ::RSpec.current_example.metadata[:example_group]
+  end
+
   config.append_after do
     Gitlab::Database.reset_open_transactions_baseline
   end

spec/support/helpers/test_env.rb

 # frozen_string_literal: true
 
+require 'parallel'
+
 module TestEnv
-  extend ActiveSupport::Concern
   extend self
 
   ComponentFailedToInstallError = Class.new(StandardError)
@@ -94,50 +95,40 @@ module TestEnv
   TMP_TEST_PATH = Rails.root.join('tmp', 'tests').freeze
   REPOS_STORAGE = 'default'
   SECOND_STORAGE_PATH = Rails.root.join('tmp', 'tests', 'second_storage')
+  SETUP_METHODS = %i[setup_gitaly setup_gitlab_shell setup_workhorse setup_factory_repo setup_forked_repo].freeze
+
+  # Can be overriden
+  def setup_methods
+    SETUP_METHODS
+  end
 
   # Test environment
   #
   # See gitlab.yml.example test section for paths
   #
-  def init(opts = {})
+  def init
     unless Rails.env.test?
       puts "\nTestEnv.init can only be run if `RAILS_ENV` is set to 'test' not '#{Rails.env}'!\n"
       exit 1
     end
 
+    start = Time.now
     # Disable mailer for spinach tests
-    disable_mailer if opts[:mailer] == false
-
     clean_test_path
 
-    setup_gitlab_shell
-
-    setup_gitaly
-
-    # Feature specs are run through Workhorse
-    setup_workhorse
-
-    # Create repository for FactoryBot.create(:project)
-    setup_factory_repo
-
-    # Create repository for FactoryBot.create(:forked_project_with_submodules)
-    setup_forked_repo
-  end
-
-  included do |config|
-    config.append_before do
-      set_current_example_group
+    # Install components in parallel as most of the setup is I/O.
+    Parallel.each(setup_methods) do |method|
+      public_send(method)
     end
-  end
 
-  def disable_mailer
-    allow_any_instance_of(NotificationService).to receive(:mailer)
-      .and_return(double.as_null_object)
+    post_init
+
+    puts "\nTest environment set up in #{Time.now - start} seconds"
   end
 
-  def enable_mailer
-    allow_any_instance_of(NotificationService).to receive(:mailer)
-      .and_call_original
+  # Can be overriden
+  def post_init
+    start_gitaly(gitaly_dir)
   end
 
   # Clean /tmp/tests
@@ -164,12 +155,11 @@ module TestEnv
   end
 
   def setup_gitaly
-    install_gitaly_args = [gitaly_dir, repos_path, gitaly_url].compact.join(',')
-
     component_timed_setup('Gitaly',
       install_dir: gitaly_dir,
       version: Gitlab::GitalyClient.expected_server_version,
-      task: "gitlab:gitaly:install[#{install_gitaly_args}]") do
+      task: "gitlab:gitaly:install",
+      task_args: [gitaly_dir, repos_path, gitaly_url].compact) do
         Gitlab::SetupHelper::Gitaly.create_configuration(
           gitaly_dir,
           { 'default' => repos_path },
@@ -190,8 +180,6 @@ module TestEnv
         )
         Gitlab::SetupHelper::Praefect.create_configuration(gitaly_dir, { 'praefect' => repos_path }, force: true)
       end
-
-    start_gitaly(gitaly_dir)
   end
 
   def gitaly_socket_path
@@ -273,19 +261,18 @@ module TestEnv
     raise "could not connect to #{service} at #{socket.inspect} after #{sleep_time} seconds"
   end
 
+  # Feature specs are run through Workhorse
   def setup_workhorse
     start = Time.now
     return if skip_compile_workhorse?
 
-    puts "\n==> Setting up GitLab Workhorse..."
-
     FileUtils.rm_rf(workhorse_dir)
     Gitlab::SetupHelper::Workhorse.compile_into(workhorse_dir)
     Gitlab::SetupHelper::Workhorse.create_configuration(workhorse_dir, nil)
 
     File.write(workhorse_tree_file, workhorse_tree) if workhorse_source_clean?
 
-    puts "    GitLab Workhorse set up in #{Time.now - start} seconds...\n"
+    puts "==> GitLab Workhorse set up in #{Time.now - start} seconds...\n"
   end
 
   def skip_compile_workhorse?
@@ -349,10 +336,12 @@ module TestEnv
     ENV.fetch('GITLAB_WORKHORSE_URL', nil)
   end
 
+  # Create repository for FactoryBot.create(:project)
   def setup_factory_repo
     setup_repo(factory_repo_path, factory_repo_path_bare, factory_repo_name, BRANCH_SHA)
   end
 
+  # Create repository for FactoryBot.create(:forked_project_with_submodules)
   # This repo has a submodule commit that is not present in the main test
   # repository.
   def setup_forked_repo
@@ -363,20 +352,18 @@ module TestEnv
     clone_url = "https://gitlab.com/gitlab-org/#{repo_name}.git"
 
     unless File.directory?(repo_path)
-      puts "\n==> Setting up #{repo_name} repository in #{repo_path}..."
       start = Time.now
       system(*%W(#{Gitlab.config.git.bin_path} clone --quiet -- #{clone_url} #{repo_path}))
-      puts "    #{repo_path} set up in #{Time.now - start} seconds...\n"
+      puts "==> #{repo_path} set up in #{Time.now - start} seconds...\n"
     end
 
     set_repo_refs(repo_path, refs)
 
     unless File.directory?(repo_path_bare)
-      puts "\n==> Setting up #{repo_name} bare repository in #{repo_path_bare}..."
       start = Time.now
       # We must copy bare repositories because we will push to them.
       system(git_env, *%W(#{Gitlab.config.git.bin_path} clone --quiet --bare -- #{repo_path} #{repo_path_bare}))
-      puts "    #{repo_path_bare} set up in #{Time.now - start} seconds...\n"
+      puts "==> #{repo_path_bare} set up in #{Time.now - start} seconds...\n"
     end
   end
 
@@ -468,10 +455,6 @@ module TestEnv
 
   private
 
-  def set_current_example_group
-    Thread.current[:current_example_group] = ::RSpec.current_example.metadata[:example_group]
-  end
-
   # These are directories that should be preserved at cleanup time
   def test_dirs
     @test_dirs ||= %w[
@@ -526,7 +509,7 @@ module TestEnv
     end
   end
 
-  def component_timed_setup(component, install_dir:, version:, task:)
+  def component_timed_setup(component, install_dir:, version:, task:, task_args: [])
     start = Time.now
 
     ensure_component_dir_name_is_correct!(component, install_dir)
@@ -535,17 +518,22 @@ module TestEnv
     return if File.exist?(install_dir) && ci?
 
     if component_needs_update?(install_dir, version)
-      puts "\n==> Setting up #{component}..."
       # Cleanup the component entirely to ensure we start fresh
       FileUtils.rm_rf(install_dir)
 
-      unless system('rake', task)
-        raise ComponentFailedToInstallError
+      if ENV['SKIP_RAILS_ENV_IN_RAKE']
+        # When we run `scripts/setup-test-env`, we take care of loading the necessary dependencies
+        # so we can run the rake task programmatically.
+        Rake::Task[task].invoke(*task_args)
+      else
+        # In other cases, we run the task via `rake` so that the environment
+        # and dependencies are automatically loaded.
+        raise ComponentFailedToInstallError unless system('rake', "#{task}[#{task_args.join(',')}]")
       end
 
       yield if block_given?
 
-      puts "    #{component} set up in #{Time.now - start} seconds...\n"
+      puts "==> #{component} set up in #{Time.now - start} seconds...\n"
     end
   rescue ComponentFailedToInstallError
     puts "\n#{component} failed to install, cleaning up #{install_dir}!\n"