Class: PushyClient::PeriodicReconfigurer

Inherits:
Object
  • Object
show all
Defined in:
lib/pushy_client/periodic_reconfigurer.rb

Constant Summary collapse

SPLAY = 
0.10

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(client) ⇒ PeriodicReconfigurer

Returns a new instance of PeriodicReconfigurer.



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# File 'lib/pushy_client/periodic_reconfigurer.rb', line 21

def initialize(client)
  @client = client
end

Instance Attribute Details

#client ⇒ Object (readonly)

Returns the value of attribute client.



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# File 'lib/pushy_client/periodic_reconfigurer.rb', line 25

def client
  @client
end

#lifetime ⇒ Object (readonly)

Returns the value of attribute lifetime.



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# File 'lib/pushy_client/periodic_reconfigurer.rb', line 26

def lifetime
  @lifetime
end

Instance Method Details

#node_name ⇒ Object 



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# File 'lib/pushy_client/periodic_reconfigurer.rb', line 28

def node_name
  client.node_name
end

#reconfigure ⇒ Object 



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# File 'lib/pushy_client/periodic_reconfigurer.rb', line 57

def reconfigure
  stop
  start
end

#start ⇒ Object 



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# File 'lib/pushy_client/periodic_reconfigurer.rb', line 32

def start
  @lifetime = client.config['lifetime']
  prng = Random.new
  @reconfigure_thread = Thread.new do
    Chef::Log.info "[#{node_name}] Starting reconfigure thread.  Will reconfigure / reload keys after #{@lifetime} seconds, less up to splay #{SPLAY}."
    while true
      begin
        @delay = @lifetime * (1 - prng.rand(SPLAY))
        sleep(@delay)
        Chef::Log.info "[#{node_name}] Config is now #{@delay} seconds old.  Reconfiguring / reloading keys ..."
        client.trigger_reconfigure
      rescue
        client.log_exception("Error in reconfigure thread", $!)
      end
    end
  end
end

#stop ⇒ Object 



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# File 'lib/pushy_client/periodic_reconfigurer.rb', line 50

def stop
  Chef::Log.info "[#{node_name}] Stopping reconfigure thread ..."
  @reconfigure_thread.kill
  @reconfigure_thread.join
  @reconfigure_thread = nil
end