Class: Wakame::Actions::StopService

Inherits:
Wakame::Action show all
Defined in:
lib/wakame/actions/stop_service.rb

Constant Summary

Constants included from AttributeHelper

AttributeHelper::CLASS_TYPE_KEY, AttributeHelper::CONVERT_CLASSES, AttributeHelper::PRIMITIVE_CLASSES

Instance Attribute Summary

Attributes inherited from Wakame::Action

#action_manager

Instance Method Summary collapse

Methods inherited from Wakame::Action

#acquire_lock, #actor_request, #agent_monitor, #all_subactions_complete?, #flush_subactions, #master, #notes, #notify, #on_canceled, #service_cluster, #status=, #subactions, #sync_actor_request, #trigger_action, #walk_subactions

Methods included from ThreadImmutable

#bind_thread, included, #target_thread, #target_thread?, #thread_check

Methods included from AttributeHelper

#dump_attrs, #retrieve_attr_attribute

Constructor Details

#initialize(svc, do_terminate = true) ⇒ StopService

Returns a new instance of StopService.

Raises:

  • (ArgumentError)


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# File 'lib/wakame/actions/stop_service.rb', line 4

def initialize(svc, do_terminate=true)
  raise ArgumentError unless svc.is_a?(Service::ServiceInstance)
  @svc = svc
  @do_terminate = do_terminate
end

Instance Method Details

#on_failedObject



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# File 'lib/wakame/actions/stop_service.rb', line 48

def on_failed
  StatusDB.barrier {
    @svc.update_status(Service::STATUS_FAIL)
  }
end

#runObject



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# File 'lib/wakame/actions/stop_service.rb', line 11

def run
  acquire_lock(@svc.resource.class.to_s)
  @svc.reload

  # Skip to act when the service is having below status.
  if @svc.status == Service::STATUS_TERMINATE && @svc.monitor_status == Service::STATUS_OFFLINE
    Wakame.log.info("Ignore to stop the service as is being or already OFFLINE: #{@svc.resource.class}")
    return
  end

  StatusDB.barrier {
    @svc.update_status(Service::STATUS_STOPPING)
  }
  
  trigger_action(NotifyChildChanged.new(@svc))
  flush_subactions

  @svc.reload
  if @svc.monitor_status == Wakame::Service::STATUS_ONLINE
    @svc.resource.stop(@svc, self)
  end

  if @do_terminate
    if @svc.resource.require_agent
      StatusDB.barrier {
        @svc.update_status(Service::STATUS_QUITTING)
      }
      @svc.resource.on_quit_agent(@svc, self)
    end

    StatusDB.barrier {
      @svc.update_status(Service::STATUS_TERMINATE)
      cluster.destroy(@svc.id)
    }
  end
end