Contents

# frozen_string_literal: true

require 'posix/spawn'
require_relative './executor'

module Fusuma
  module Plugin
    module Executors
      # Exector plugin
      class CommandExecutor < Executor
        # Executor parameter on config.yml
        # @return [Array<Symbol>]
        def execute_keys
          [:command]
        end

        def execute(event)
          search_command(event).tap do |command|
            break unless command

            MultiLogger.info(command: command, args: event.record.args)

            additional_env = event.record.args
                                  .deep_transform_keys(&:to_s)
                                  .deep_transform_values { |v| (v * args_accel(event)).to_s }

            pid = POSIX::Spawn.spawn(additional_env, command.to_s)
            Process.detach(pid)
          end
        end

        def executable?(event)
          event.tag.end_with?('_detector') &&
            event.record.type == :index &&
            search_command(event)
        end

        # @param event [Event]
        # @return [String]
        def search_command(event)
          command_index = Config::Index.new([*event.record.index.keys, :command])
          Config.search(command_index)
        end

        # @param event [Event]
        # @return [Float]
        def args_accel(event)
          accel_index = Config::Index.new([*event.record.index.keys, :accel])
          (Config.search(accel_index) || 1).to_f
        end
      end
    end
  end
end

Version data entries

4 entries across 4 versions & 1 rubygems

Version	Path
fusuma-2.0.2	lib/fusuma/plugin/executors/command_executor.rb
fusuma-2.0.1	lib/fusuma/plugin/executors/command_executor.rb
fusuma-2.0.0	lib/fusuma/plugin/executors/command_executor.rb
fusuma-2.0.0.pre2	lib/fusuma/plugin/executors/command_executor.rb