Module: SkyRunner::Job

Defined in:
lib/skyrunner/job.rb

Defined Under Namespace

Modules: ClassMethods

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#skyrunner_job_id ⇒ Object

Returns the value of attribute skyrunner_job_id.



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# File 'lib/skyrunner/job.rb', line 2

def skyrunner_job_id
  @skyrunner_job_id
end

#skyrunner_job_is_solo ⇒ Object

Returns the value of attribute skyrunner_job_is_solo.



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# File 'lib/skyrunner/job.rb', line 3

def skyrunner_job_is_solo
  @skyrunner_job_is_solo
end

Class Method Details

.included(base) ⇒ Object 



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# File 'lib/skyrunner/job.rb', line 5

def self.included(base)
  base.extend(ClassMethods)
end

Instance Method Details

#consume!(job_args, task_args) ⇒ Object 



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# File 'lib/skyrunner/job.rb', line 115

def consume!(job_args, task_args)
  begin
    self.send(task_args[0].to_sym, task_args[1].symbolize_keys)
    handle_task_completed!(job_args)
  rescue Exception => e
    handle_task_failed!(job_args) rescue nil
    raise
  end
end

#execute!(job_args = {}) ⇒ Object 



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# File 'lib/skyrunner/job.rb', line 35

def execute!(job_args = {})
  return execute_local!(job_args) if SkyRunner::run_locally

  job_id = SecureRandom.hex
  self.skyrunner_job_id = job_id

  table = nil
  record = nil

  queue = SkyRunner.sqs_queue
  pending_args = []
  fired_solo = false

  flush = lambda do
    messages = pending_args.map do |task_args|
      { job_id: job_id, task_id: SecureRandom.hex, job_args: job_args, task_args: task_args, job_class: self.class.name }
    end

    if record.nil?
      # Run an un-coordinated solo job if only one message
      if messages.size > 1
        SkyRunner::retry_dynamo_db do
          table = SkyRunner.dynamo_db_table
          record = table.items.put(id: job_id, created_at: Time.now.to_s, task_id: job_id, class: self.class.name, args: job_args.to_json, total_tasks: 1, completed_tasks: 0, done: 0, failed: 0)
        end
      else
        fired_solo = true

        messages.each do |m|
          m[:is_solo] = true
        end
      end
    end

    messages = messages.map(&:to_json)

    dropped_message_count = 0
    pending_args.clear

    begin
      queue.batch_send(messages)
    rescue AWS::SQS::Errors::BatchSendError => e
      dropped_message_count = e.errors.size

      # Re-add dropped args
      e.errors.each do |error|
        pending_args << JSON.parse(error[:message_body])["task_args"]
      end
    end

    if record
      SkyRunner::retry_dynamo_db do
        record.attributes.add({ total_tasks: messages.size - dropped_message_count })
      end
    end
  end

  self.run(job_args) do |*task_args|
    pending_args << task_args

    if pending_args.size >= SkyRunner::SQS_MAX_BATCH_SIZE
      1.upto(5) do
        flush.()
        sleep 5 if pending_args.size > 0
        break if pending_args.size == 0
      end
    end
  end

  1.upto(5) do
    flush.() if pending_args.size > 0
    sleep 5 if pending_args.size > 0
    break if pending_args.size == 0
  end

  unless fired_solo
    handle_task_completed!(job_args)
  end
end

#fire_post_event_method(event_type, job_args) ⇒ Object 



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# File 'lib/skyrunner/job.rb', line 125

def fire_post_event_method(event_type, job_args)
  (self.class.job_event_methods[event_type] || []).each do |method|
    if self.method(method).arity == 0 && self.method(method).parameters.size == 0
      self.send(method)
    else
      self.send(method, job_args.symbolize_keys)
    end
  end
end

#is_solo? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/skyrunner/job.rb', line 31

def is_solo?
  self.skyrunner_job_is_solo
end