Class: Barbeque::JobQueuesController

Inherits:
ApplicationController show all
Defined in:
app/controllers/barbeque/job_queues_controller.rb

Instance Method Summary collapse

Instance Method Details

#create ⇒ Object 



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# File 'app/controllers/barbeque/job_queues_controller.rb', line 22

def create
  @job_queue = Barbeque::JobQueue.new(params.require(:job_queue).permit(:name, :description))
  @job_queue.queue_url = create_queue(@job_queue).queue_url if @job_queue.valid?

  if @job_queue.save
    redirect_to @job_queue, notice: 'Job queue was successfully created.'
  else
    render :new
  end
end

#destroy ⇒ Object 



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# File 'app/controllers/barbeque/job_queues_controller.rb', line 43

def destroy
  @job_queue = Barbeque::JobQueue.find(params[:id])
  @job_queue.destroy
  redirect_to job_queues_url, notice: 'Job queue was successfully destroyed.'
end

#edit ⇒ Object 



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# File 'app/controllers/barbeque/job_queues_controller.rb', line 18

def edit
  @job_queue = Barbeque::JobQueue.find(params[:id])
end

#index ⇒ Object 



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# File 'app/controllers/barbeque/job_queues_controller.rb', line 6

def index
  @job_queues = Barbeque::JobQueue.all
end

#new ⇒ Object 



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# File 'app/controllers/barbeque/job_queues_controller.rb', line 14

def new
  @job_queue = Barbeque::JobQueue.new
end

#show ⇒ Object 



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# File 'app/controllers/barbeque/job_queues_controller.rb', line 10

def show
  @job_queue = Barbeque::JobQueue.find(params[:id])
end

#sqs_attributes ⇒ Object 



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# File 'app/controllers/barbeque/job_queues_controller.rb', line 49

def sqs_attributes
  job_queue = Barbeque::JobQueue.find(params[:id])
  attributes = self.class.sqs_client.get_queue_attributes(
    queue_url: job_queue.queue_url,
    attribute_names: %w[
      ApproximateNumberOfMessages
      ApproximateNumberOfMessagesNotVisible
      RedrivePolicy
      QueueArn
    ],
  ).attributes
  dlq_metrics =
    if attributes['RedrivePolicy']
      dlq_arn = JSON.parse(attributes['RedrivePolicy']).fetch('deadLetterTargetArn')
      dlq_name = queue_name_from_arn(dlq_arn)
      dlq_url = self.class.sqs_client.get_queue_url(queue_name: dlq_name).queue_url
      dlq_attributes = self.class.sqs_client.get_queue_attributes(
        queue_url: dlq_url,
        attribute_names: %w[
          ApproximateNumberOfMessages
          ApproximateNumberOfMessagesNotVisible
        ],
      ).attributes.transform_values(&:to_i)
      {
        queue_name: dlq_name,
        attributes: dlq_attributes,
      }
    else
      nil
    end
  render json: {
    queue_name: queue_name_from_arn(attributes['QueueArn']),
    attributes: {
      'ApproximateNumberOfMessages' => attributes['ApproximateNumberOfMessages'].to_i,
      'ApproximateNumberOfMessagesNotVisible' => attributes['ApproximateNumberOfMessagesNotVisible'].to_i,
    },
    dlq: dlq_metrics,
  }
end

#sqs_metrics ⇒ Object 



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# File 'app/controllers/barbeque/job_queues_controller.rb', line 89

def sqs_metrics
  queue_name = params[:queue_name]
  unless queue_name.present?
    render status: 400, json: { error: 'params[:queue_name] is required' }
    return
  end
  metric_name = params[:metric_name]
  unless metric_name.present?
    render status: 400, json: { error: 'params[:metric_name] is required' }
    return
  end
  statistic = params[:statistic]
  unless statistic.present?
    render status: 400, json: { error: 'params[:statistic] is required' }
    return
  end

  now = Time.zone.now
  from = now - 24.hours
  resp = self.class.cloudwatch_client.get_metric_statistics(
    namespace: 'AWS/SQS',
    metric_name: metric_name,
    dimensions: [
      { name: 'QueueName', value: queue_name },
    ],
    start_time: from,
    end_time: now,
    period: compute_minimum_period(from, now),
    statistics: [statistic],
  )

  render json: {
    label: resp.label,
    datapoints: resp.datapoints.sort_by(&:timestamp).map { |datapoint|
      {
        timestamp: Time.zone.at(datapoint.timestamp),
        value: datapoint[statistic.underscore],
      }
    },
  }
end

#update ⇒ Object 



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# File 'app/controllers/barbeque/job_queues_controller.rb', line 33

def update
  @job_queue = Barbeque::JobQueue.find(params[:id])
  # Name can't be changed after it's created.
  if @job_queue.update(params.require(:job_queue).permit(:description))
    redirect_to @job_queue, notice: 'Job queue was successfully updated.'
  else
    render :edit
  end
end