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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Gitlab::Database::TablesLocker, :reestablished_active_record_base, :delete, :silence_stdout,
:suppress_gitlab_schemas_validate_connection, feature_category: :pods do
let(:detached_partition_table) { '_test_gitlab_main_part_20220101' }
let(:lock_writes_manager) do
instance_double(Gitlab::Database::LockWritesManager, lock_writes: nil, unlock_writes: nil)
end
before do
allow(Gitlab::Database::LockWritesManager).to receive(:new).with(any_args).and_return(lock_writes_manager)
end
before(:all) do
create_detached_partition_sql = <<~SQL
CREATE TABLE IF NOT EXISTS gitlab_partitions_dynamic._test_gitlab_main_part_20220101 (
id bigserial primary key not null
)
SQL
ApplicationRecord.connection.execute(create_detached_partition_sql)
Ci::ApplicationRecord.connection.execute(create_detached_partition_sql)
Gitlab::Database::SharedModel.using_connection(ApplicationRecord.connection) do
Postgresql::DetachedPartition.create!(
table_name: '_test_gitlab_main_part_20220101',
drop_after: Time.current
)
end
end
after(:all) do
drop_detached_partition_sql = <<~SQL
DROP TABLE IF EXISTS gitlab_partitions_dynamic._test_gitlab_main_part_20220101
SQL
ApplicationRecord.connection.execute(drop_detached_partition_sql)
Ci::ApplicationRecord.connection.execute(drop_detached_partition_sql)
Gitlab::Database::SharedModel.using_connection(ApplicationRecord.connection) do
Postgresql::DetachedPartition.delete_all
end
end
shared_examples "lock tables" do |table_schema, database_name|
let(:table_name) do
Gitlab::Database::GitlabSchema
.tables_to_schema.filter_map { |table_name, schema| table_name if schema == table_schema }
.first
end
let(:database) { database_name }
it "locks table in schema #{table_schema} and database #{database_name}" do
expect(Gitlab::Database::LockWritesManager).to receive(:new).with(
table_name: table_name,
connection: anything,
database_name: database,
with_retries: true,
logger: anything,
dry_run: anything
).once.and_return(lock_writes_manager)
expect(lock_writes_manager).to receive(:lock_writes)
subject
end
end
shared_examples "unlock tables" do |table_schema, database_name|
let(:table_name) do
Gitlab::Database::GitlabSchema
.tables_to_schema.filter_map { |table_name, schema| table_name if schema == table_schema }
.first
end
let(:database) { database_name }
it "unlocks table in schema #{table_schema} and database #{database_name}" do
expect(Gitlab::Database::LockWritesManager).to receive(:new).with(
table_name: table_name,
connection: anything,
database_name: database,
with_retries: true,
logger: anything,
dry_run: anything
).once.and_return(lock_writes_manager)
expect(lock_writes_manager).to receive(:unlock_writes)
subject
end
end
context 'when running on single database' do
before do
skip_if_multiple_databases_are_setup(:ci)
end
describe '#lock_writes' do
subject { described_class.new.lock_writes }
it 'does not call Gitlab::Database::LockWritesManager.lock_writes' do
expect(Gitlab::Database::LockWritesManager).to receive(:new).with(any_args).and_return(lock_writes_manager)
expect(lock_writes_manager).not_to receive(:lock_writes)
subject
end
include_examples "unlock tables", :gitlab_main, 'main'
include_examples "unlock tables", :gitlab_ci, 'ci'
include_examples "unlock tables", :gitlab_shared, 'main'
include_examples "unlock tables", :gitlab_internal, 'main'
end
describe '#unlock_writes' do
subject { described_class.new.lock_writes }
it 'does call Gitlab::Database::LockWritesManager.unlock_writes' do
expect(Gitlab::Database::LockWritesManager).to receive(:new).with(any_args).and_return(lock_writes_manager)
expect(lock_writes_manager).to receive(:unlock_writes)
subject
end
end
end
context 'when running on multiple databases' do
before do
skip_if_multiple_databases_not_setup(:ci)
end
describe '#lock_writes' do
subject { described_class.new.lock_writes }
include_examples "lock tables", :gitlab_ci, 'main'
include_examples "lock tables", :gitlab_main, 'ci'
include_examples "unlock tables", :gitlab_main, 'main'
include_examples "unlock tables", :gitlab_ci, 'ci'
include_examples "unlock tables", :gitlab_shared, 'main'
include_examples "unlock tables", :gitlab_shared, 'ci'
include_examples "unlock tables", :gitlab_internal, 'main'
include_examples "unlock tables", :gitlab_internal, 'ci'
end
describe '#unlock_writes' do
subject { described_class.new.unlock_writes }
include_examples "unlock tables", :gitlab_ci, 'main'
include_examples "unlock tables", :gitlab_main, 'ci'
include_examples "unlock tables", :gitlab_main, 'main'
include_examples "unlock tables", :gitlab_ci, 'ci'
include_examples "unlock tables", :gitlab_shared, 'main'
include_examples "unlock tables", :gitlab_shared, 'ci'
include_examples "unlock tables", :gitlab_internal, 'main'
include_examples "unlock tables", :gitlab_internal, 'ci'
end
context 'when running in dry_run mode' do
subject { described_class.new(dry_run: true).lock_writes }
it 'passes dry_run flag to LockManger' do
expect(Gitlab::Database::LockWritesManager).to receive(:new).with(
table_name: 'users',
connection: anything,
database_name: 'ci',
with_retries: true,
logger: anything,
dry_run: true
).and_return(lock_writes_manager)
expect(lock_writes_manager).to receive(:lock_writes)
subject
end
end
context 'when running on multiple shared databases' do
subject { described_class.new.lock_writes }
before do
allow(::Gitlab::Database).to receive(:db_config_share_with).and_return(nil)
ci_db_config = Ci::ApplicationRecord.connection_db_config
allow(::Gitlab::Database).to receive(:db_config_share_with).with(ci_db_config).and_return('main')
end
it 'does not lock any tables if the ci database is shared with main database' do
expect(Gitlab::Database::LockWritesManager).to receive(:new).with(any_args).and_return(lock_writes_manager)
expect(lock_writes_manager).not_to receive(:lock_writes)
subject
end
end
end
context 'when geo database is configured' do
let(:geo_table) do
Gitlab::Database::GitlabSchema
.tables_to_schema.filter_map { |table_name, schema| table_name if schema == :gitlab_geo }
.first
end
subject { described_class.new.unlock_writes }
before do
skip "Geo database is not configured" unless Gitlab::Database.has_config?(:geo)
end
it 'does not lock table in geo database' do
expect(Gitlab::Database::LockWritesManager).not_to receive(:new).with(
table_name: geo_table,
connection: anything,
database_name: 'geo',
with_retries: true,
logger: anything,
dry_run: anything
)
subject
end
end
end
def number_of_triggers(connection)
connection.select_value("SELECT count(*) FROM information_schema.triggers")
end
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