Module: Departure

Defined in:
lib/departure.rb,
lib/departure/dsn.rb,
lib/departure/errors.rb,
lib/departure/logger.rb,
lib/departure/option.rb,
lib/departure/runner.rb,
lib/departure/command.rb,
lib/departure/railtie.rb,
lib/departure/version.rb,
lib/departure/null_logger.rb,
lib/departure/user_options.rb,
lib/departure/cli_generator.rb,
lib/departure/configuration.rb,
lib/departure/alter_argument.rb,
lib/departure/logger_factory.rb,
lib/departure/connection_base.rb,
lib/departure/connection_details.rb,
lib/departure/log_sanitizers/password_sanitizer.rb

Defined Under Namespace

Modules: LogSanitizers, LoggerFactory Classes: AlterArgument, ArgumentsNotSupported, CliGenerator, Command, CommandNotFoundError, Configuration, ConnectionBase, ConnectionDetails, DSN, Error, InvalidAlterStatement, Logger, NoStatusError, NullLogger, Option, Railtie, Runner, SignalError, UserOptions

Constant Summary collapse

VERSION = 
'6.2.0'.freeze

Class Attribute Summary collapse

Class Method Summary collapse

Class Attribute Details

.configuration ⇒ Object

Returns the value of attribute configuration.



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# File 'lib/departure.rb', line 25

def configuration
  @configuration
end

Class Method Details

.configure {|configuration| ... } ⇒ Object

Yields:



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# File 'lib/departure.rb', line 28

def self.configure
  self.configuration ||= Configuration.new
  yield(configuration)
end

.load ⇒ Object

Hooks Percona Migrator into Rails migrations by replacing the configured database adapter



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# File 'lib/departure.rb', line 35

def self.load
  ActiveRecord::Migration.class_eval do
    alias_method :original_migrate, :migrate

    # Replaces the current connection adapter with the PerconaAdapter and
    # patches LHM, then it continues with the regular migration process.
    #
    # @param direction [Symbol] :up or :down
    def migrate(direction)
      reconnect_with_percona
      include_foreigner if defined?(Foreigner)

      ::Lhm.migration = self
      original_migrate(direction)
    end

    # Includes the Foreigner's Mysql2Adapter implemention in
    # DepartureAdapter to support foreign keys
    def include_foreigner
      Foreigner::Adapter.safe_include(
        :DepartureAdapter,
        Foreigner::ConnectionAdapters::Mysql2Adapter
      )
    end

    # Make all connections in the connection pool to use PerconaAdapter
    # instead of the current adapter.
    def reconnect_with_percona
      connection_config = ActiveRecord::Base
        .connection_config.merge(adapter: 'percona')
      Departure::ConnectionBase.establish_connection(connection_config)
    end
  end
end