From 23d27746ea3388bbe1794a47d71aeb153a50f6a9 Mon Sep 17 00:00:00 2001
From: Jon Jenkins <jjenkins@gitlab.com>
Date: Mon, 9 Sep 2024 08:49:16 +0000
Subject: [PATCH] Remove old 15_11 fix

---
 .../gitlab/avoid_gitlab_instance_checks.yml   |   1 -
 db/15_11_migration_fixes.txt                  | 299 ------------------
 lib/tasks/gitlab/db/migration_fix_15_11.rake  |  30 --
 .../db/migration_fix_15_11_rake_spec.rb       |  64 ----
 4 files changed, 394 deletions(-)
 delete mode 100644 db/15_11_migration_fixes.txt
 delete mode 100644 lib/tasks/gitlab/db/migration_fix_15_11.rake
 delete mode 100644 spec/tasks/gitlab/db/migration_fix_15_11_rake_spec.rb

diff --git a/.rubocop_todo/gitlab/avoid_gitlab_instance_checks.yml b/.rubocop_todo/gitlab/avoid_gitlab_instance_checks.yml
index 6ed1afe617ab..b9b01b6be1f0 100644
--- a/.rubocop_todo/gitlab/avoid_gitlab_instance_checks.yml
+++ b/.rubocop_todo/gitlab/avoid_gitlab_instance_checks.yml
@@ -114,5 +114,4 @@ Gitlab/AvoidGitlabInstanceChecks:
     - 'lib/gitlab/usage/metrics/instrumentations/count_ci_internal_pipelines_metric.rb'
     - 'lib/gitlab/usage/metrics/instrumentations/count_issues_created_manually_from_alerts_metric.rb'
     - 'lib/sidebars/admin/menus/admin_settings_menu.rb'
-    - 'lib/tasks/gitlab/db/migration_fix_15_11.rake'
     - 'spec/helpers/sidebars_helper_spec.rb'
diff --git a/db/15_11_migration_fixes.txt b/db/15_11_migration_fixes.txt
deleted file mode 100644
index 7fa291f7b29c..000000000000
--- a/db/15_11_migration_fixes.txt
+++ /dev/null
@@ -1,299 +0,0 @@
-20211202041233
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\ No newline at end of file
diff --git a/lib/tasks/gitlab/db/migration_fix_15_11.rake b/lib/tasks/gitlab/db/migration_fix_15_11.rake
deleted file mode 100644
index 4716ac5fe9f8..000000000000
--- a/lib/tasks/gitlab/db/migration_fix_15_11.rake
+++ /dev/null
@@ -1,30 +0,0 @@
-# frozen_string_literal: true
-
-desc 'db | migration_fix_15_11'
-task migration_fix_15_11: [:environment] do
-  next if Gitlab.com?
-
-  only_on = %i[main ci].select { |db| Gitlab::Database.has_database?(db) }
-  Gitlab::Database::EachDatabase.each_connection(only: only_on) do |conn, database|
-    begin
-      first_migration = conn.execute('SELECT * FROM schema_migrations ORDER BY version ASC LIMIT 1')
-    rescue ActiveRecord::StatementInvalid
-      # Uninitialized DB, skip
-      next
-    end
-    next if first_migration.none? # No migrations have been run yet
-    # If we are affected, the first migration in the schema_migrations table
-    # will be 20220314184009
-    next unless first_migration.first['version'] == '20220314184009'
-
-    puts "Running 15.11 migration fix for #{database}"
-    fixes = File.readlines(Rails.root.join('db/15_11_migration_fixes.txt')).map(&:chomp)
-    conn.transaction do
-      fixes.each do |version|
-        conn.execute("INSERT INTO schema_migrations (version) VALUES ('#{version}')")
-      end
-    end
-  end
-end
-
-Rake::Task['db:migrate'].enhance(['migration_fix_15_11'])
diff --git a/spec/tasks/gitlab/db/migration_fix_15_11_rake_spec.rb b/spec/tasks/gitlab/db/migration_fix_15_11_rake_spec.rb
deleted file mode 100644
index 4ad149ef7d90..000000000000
--- a/spec/tasks/gitlab/db/migration_fix_15_11_rake_spec.rb
+++ /dev/null
@@ -1,64 +0,0 @@
-# frozen_string_literal: true
-
-require 'spec_helper'
-
-RSpec.describe 'migration_fix_15_11', :reestablished_active_record_base, feature_category: :database do
-  let(:db) { ApplicationRecord.connection }
-  let(:target_init_schema) { '20220314184009' }
-  let(:earlier_init_schema) { '20210101010101' }
-
-  before(:all) do
-    Rake.application.rake_require 'active_record/railties/databases'
-    Rake.application.rake_require 'tasks/gitlab/db/migration_fix_15_11'
-  end
-
-  describe 'migration_fix_15_11' do
-    context 'when fix is needed' do
-      it 'patches init_schema' do
-        db.execute('DELETE FROM schema_migrations')
-        db.execute("INSERT INTO schema_migrations (version) VALUES ('#{target_init_schema}')")
-        run_rake_task(:migration_fix_15_11)
-        result = db.execute('SELECT * FROM schema_migrations')
-        expect(result.count).to eq(300)
-      end
-    end
-
-    context 'when fix is not needed because no migrations have been run' do
-      it 'does nothing' do
-        db.execute('DELETE FROM schema_migrations')
-        run_rake_task(:migration_fix_15_11)
-        result = db.execute('SELECT * FROM schema_migrations')
-        expect(result.count).to eq(0)
-      end
-    end
-
-    context 'when fix is not needed because DB has not been initialized' do
-      it 'does nothing' do
-        db.execute('DROP TABLE schema_migrations')
-        expect { run_rake_task(:migration_fix_15_11) }.not_to raise_error
-      end
-    end
-
-    context 'when fix is not needed because there is an earlier init_schema' do
-      it 'does nothing' do
-        db.execute('DELETE FROM schema_migrations')
-        db.execute("INSERT INTO schema_migrations (version) VALUES ('#{earlier_init_schema}')")
-        run_rake_task(:migration_fix_15_11)
-        result = db.execute('SELECT * FROM schema_migrations')
-        expect(result.pluck('version')).to match_array [earlier_init_schema]
-      end
-    end
-
-    context 'when fix is not needed because the fix has been run already' do
-      it 'does not affect the schema_migrations table' do
-        db.execute('DELETE FROM schema_migrations')
-        db.execute("INSERT INTO schema_migrations (version) VALUES ('#{target_init_schema}')")
-        run_rake_task(:migration_fix_15_11)
-        fixed_table = db.execute('SELECT version FROM schema_migrations').pluck('version')
-        run_rake_task(:migration_fix_15_11)
-        test_fixed_table = db.execute('SELECT version FROM schema_migrations').pluck('version')
-        expect(fixed_table).to match_array test_fixed_table
-      end
-    end
-  end
-end
-- 
GitLab