Class: Metrux::Commands::PeriodicGauge::Agent

Inherits:
Object
  • Object
show all
Includes:
Loggable, Sleeper
Defined in:
lib/metrux/commands/periodic_gauge/agent.rb

Constant Summary collapse

DEFAULT_INVERVAL = 
60

Instance Method Summary collapse

Methods included from Sleeper

#wait

Constructor Details

#initialize(command, registry, config) ⇒ Agent

Returns a new instance of Agent.



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# File 'lib/metrux/commands/periodic_gauge/agent.rb', line 10

def initialize(command, registry, config)
  @command = command
  @registry = registry
  @interval = config.periodic_gauge_interval || DEFAULT_INVERVAL
  @logger = config.logger
  @thread = nil
end

Instance Method Details

#alive? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/metrux/commands/periodic_gauge/agent.rb', line 40

def alive?
  @thread && @thread.alive?
end

#start ⇒ Object 



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# File 'lib/metrux/commands/periodic_gauge/agent.rb', line 18

def start
  return false if alive?

  log('Starting...', :info)
  @thread = Thread.new do
    loop do
      log("sleeping for #{interval}s...")
      wait(interval)

      metrics.each(&method(:execute_metric))
    end
  end

  true
end

#stop ⇒ Object 



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# File 'lib/metrux/commands/periodic_gauge/agent.rb', line 34

def stop
  log('Stopping...', :info)
  @thread.kill if @thread
  @thread = nil
end