Class: Logical::Naf::MetricSender

Inherits:
Object
  • Object
show all
Defined in:
app/models/logical/naf/metric_sender.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(metric_send_delay, machine) ⇒ MetricSender

Returns a new instance of MetricSender.



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# File 'app/models/logical/naf/metric_sender.rb', line 13

def initialize(metric_send_delay, machine)
  @metric_send_delay = metric_send_delay
  @statsd = Statsd.new
  @last_sent_metrics = nil
  @machine = machine
end

Instance Attribute Details

#last_sent_metrics ⇒ Object

Returns the value of attribute last_sent_metrics.



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# File 'app/models/logical/naf/metric_sender.rb', line 11

def last_sent_metrics
  @last_sent_metrics
end

#machine ⇒ Object (readonly)

Returns the value of attribute machine.



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# File 'app/models/logical/naf/metric_sender.rb', line 7

def machine
  @machine
end

#metric_send_delay ⇒ Object (readonly)

Returns the value of attribute metric_send_delay.



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# File 'app/models/logical/naf/metric_sender.rb', line 7

def metric_send_delay
  @metric_send_delay
end

#statsd ⇒ Object (readonly)

Returns the value of attribute statsd.



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# File 'app/models/logical/naf/metric_sender.rb', line 7

def statsd
  @statsd
end

Instance Method Details

#send_metrics ⇒ Object

Instance methods



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# File 'app/models/logical/naf/metric_sender.rb', line 22

def send_metrics
  if last_sent_metrics.nil? || (Time.zone.now - last_sent_metrics) > metric_send_delay.seconds
    running_job_count = ::Naf::HistoricalJob.where(
            "(started_at IS NOT NULL AND finished_at IS NULL AND " +
            "started_on_machine_id = ?)",
            machine.id).count +
            ::Naf::HistoricalJob.where(
            "(started_at IS NOT NULL AND finished_at > ? AND " +
            "started_on_machine_id = ?)",
            Time.zone.now - metric_send_delay.seconds, machine.id).count
    terminating_job_count = ::Naf::HistoricalJob.where(
            "(finished_at IS NULL AND request_to_terminate = true AND " +
            "started_on_machine_id = ?)",
            machine.id).count
    long_terminating_job_count = ::Naf::HistoricalJob.where(
            "(finished_at IS NULL AND request_to_terminate = true AND " +
            "updated_at < ? AND started_on_machine_id = ?)",
            Time.zone.now - 30.minutes, machine.id).count
    recent_errored_job_count = ::Naf::HistoricalJob.where(
            "(finished_at IS NOT NULL AND exit_status > 0 AND " +
            "finished_at > ? AND request_to_terminate = false " +
            "AND started_on_machine_id = ?)",
            Time.zone.now - metric_send_delay.seconds, machine.id).count

    statsd.gauge("naf.runner.alive",
        1, tags: ::Naf.configuration.metric_tags)
    statsd.gauge("naf.jobs.running",
        running_job_count, tags: ::Naf.configuration.metric_tags)
    statsd.gauge("naf.jobs.terminating",
        terminating_job_count, tags: ::Naf.configuration.metric_tags)
    statsd.gauge("naf.jobs.terminating-long",
        long_terminating_job_count, tags: ::Naf.configuration.metric_tags)
    statsd.gauge("naf.jobs.recent-errored",
        recent_errored_job_count, tags: ::Naf.configuration.metric_tags)
    last_sent_metrics = Time.zone.now
  end
end