Class: Schedule::Runner

Inherits:
Object
  • Object
show all
Defined in:
lib/schedule/runner.rb

Instance Method Summary collapse

Constructor Details

#initialize(task, logger = nil, notifier = nil) ⇒ Runner

Returns a new instance of Runner.



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# File 'lib/schedule/runner.rb', line 5

def initialize(task, logger = nil, notifier = nil)
  @task = task
  @logger = logger || Logger.new(STDOUT, @task.name)
  @notifier = notifier
end

Instance Method Details

#run ⇒ Object 



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# File 'lib/schedule/runner.rb', line 11

def run
  @logger.log "=== Started (#{@task.command}) ==="

  status = nil
  
  duration = with_timing do
    status = execute(@task.command) do |output|
      buffer = ""
      begin
        while (buffer << output.readpartial(1024))
          if lines = buffer.slice!(/^.*[\n\r]/m)
            @logger.log(lines)
          end
        end
      rescue EOFError
        @logger.log(buffer) unless buffer == ""
      ensure
        buffer = nil
      end
    end
  end

  exit_status = if status && status.exitstatus == 0
    0
  elsif status && status.exitstatus
    status.exitstatus
  else
    1
  end

  if exit_status == 0
    @logger.log "=== Completed successfully (took #{duration} seconds) ==="
  else
    @logger.log "=== Failed (took #{duration} seconds) ==="
  end
  
  if @notifier
    @notifier.notify(@task, @logger.buffer.string)
  end
  
  return exit_status
end