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dry_runnable.rb 2.2KB

    module DryRunnable extend ActiveSupport::Concern def dry_run!(event = nil) @dry_run = true log = StringIO.new @dry_run_started_at = Time.zone.now @dry_run_logger = Logger.new(log).tap { |logger| logger.formatter = proc { |severity, datetime, progname, message| elapsed_time = '%02d:%02d:%02d' % 2.times.inject([datetime - @dry_run_started_at]) { |(x, *xs)| [*x.divmod(60), *xs] } "[#{elapsed_time}] #{severity} -- #{progname}: #{message}\n" } } @dry_run_results = { events: [], } begin raise "#{short_type} does not support dry-run" unless can_dry_run? readonly! @dry_run_started_at = Time.zone.now @dry_run_logger.info('Dry Run started') if event raise "This agent cannot receive an event!" unless can_receive_events? receive([event]) else check end @dry_run_logger.info('Dry Run finished') rescue => e @dry_run_logger.info('Dry Run failed') error "Exception during dry-run. #{e.message}: #{e.backtrace.join("\n")}" end @dry_run_results.update( memory: memory, log: log.string, ) ensure @dry_run = false end def dry_run? !!@dry_run end included do prepend Wrapper end module Wrapper attr_accessor :results def logger return super unless dry_run? @dry_run_logger end def save(options = {}) return super unless dry_run? perform_validations(options) end def save!(options = {}) return super unless dry_run? save(options) or raise_record_invalid end def log(message, options = {}) return super unless dry_run? case options[:level] || 3 when 0..2 sev = Logger::DEBUG when 3 sev = Logger::INFO else sev = Logger::ERROR end logger.log(sev, message) end def create_event(event) return super unless dry_run? if can_create_events? event = build_event(event) @dry_run_results[:events] << event.payload event else error "This Agent cannot create events!" end end end end