Class: Fluent::LoadAverageInput

Inherits:
Input
  • Object
show all
Defined in:
lib/fluent/plugin/in_loadaverage.rb

Defined Under Namespace

Classes: TimerWatcher

Instance Method Summary collapse

Instance Method Details

#configure(conf) ⇒ Object 



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# File 'lib/fluent/plugin/in_loadaverage.rb', line 19

def configure(conf)
  super
end

#run ⇒ Object 



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# File 'lib/fluent/plugin/in_loadaverage.rb', line 36

def run
  @loop.run
rescue
  log.error "unexpected error", :error => $!.to_s
  log.error_backtrace
end

#shutdown ⇒ Object 



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# File 'lib/fluent/plugin/in_loadaverage.rb', line 30

def shutdown
  @loop.watchers.each {|w| w.detach }
  @loop.stop
  @thread.join
end

#start ⇒ Object 



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# File 'lib/fluent/plugin/in_loadaverage.rb', line 23

def start
  @loop = Coolio::Loop.new
  @timer = TimerWatcher.new(@interval, true, &method(:uptime))
  @loop.attach(@timer)
  @thread = Thread.new(&method(:run))
end

#uptime ⇒ Object 



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# File 'lib/fluent/plugin/in_loadaverage.rb', line 43

def uptime
  past1_min, past5_min, past15_min =
    `uptime`.chomp.match(/load average(?::|s:) (\d+\.\d+)(?:,|) (\d+\.\d+)(?:,|) (\d+\.\d+)$/).to_a.values_at(1,2,3)
  router.emit(@tag, Engine.now, { past_1min: past1_min, past_5min: past5_min, past_15min: past15_min })
end