49 lines
1.5 KiB
Ruby
49 lines
1.5 KiB
Ruby
# frozen_string_literal: true
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module Gitlab
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module Database
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module Migrations
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module LockRetryMixin
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module ActiveRecordMigrationProxyLockRetries
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def migration_class
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migration.class
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end
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def migration_connection
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migration.connection
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end
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def enable_lock_retries?
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# regular AR migrations don't have this,
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# only ones inheriting from Gitlab::Database::Migration have
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return false unless migration.respond_to?(:enable_lock_retries?)
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migration.enable_lock_retries?
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end
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end
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module ActiveRecordMigratorLockRetries
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# We patch the original method to start a transaction
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# using the WithLockRetries methodology for the whole migration.
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def ddl_transaction(migration, &block)
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if use_transaction?(migration) && migration.enable_lock_retries?
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Gitlab::Database::WithLockRetries.new(
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connection: migration.migration_connection,
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klass: migration.migration_class,
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logger: Gitlab::BackgroundMigration::Logger
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).run(raise_on_exhaustion: false, &block)
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else
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super
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end
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end
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end
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def self.patch!
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ActiveRecord::MigrationProxy.prepend(ActiveRecordMigrationProxyLockRetries)
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ActiveRecord::Migrator.prepend(ActiveRecordMigratorLockRetries)
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end
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end
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end
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end
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end
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