Class: Wakame::Actions::LaunchVM

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

Constant Summary collapse

USER_DATA_TMPL = 
<<__END__
node=agent
amqp_server=amqp://%s/
agent_id=%s
__END__

Constants included from AttributeHelper

AttributeHelper::CONVERT_CLASSES, AttributeHelper::PRIMITIVE_CLASSES

Instance Attribute Summary

Attributes inherited from Wakame::Action

#trigger

Instance Method Summary collapse

Methods inherited from Wakame::Action

#acquire_lock, #actor_request, #agent_monitor, #all_subactions_complete?, #bind_trigger, #flush_subactions, #master, #notes, #notify, #notify_queue, #on_canceled, #on_failed, #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

Constructor Details

#initialize(notes_key, ref_agent = nil) ⇒ LaunchVM

Returns a new instance of LaunchVM.



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

def initialize(notes_key, ref_agent=nil)
  @ref_agent = ref_agent
  @notes_key = notes_key
end

Instance Method Details

#run ⇒ Object 



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# File 'lib/wakame/actions/launch_vm.rb', line 15

def run
  require 'right_aws'
  ec2 = RightAws::Ec2.new(Wakame.config.aws_access_key, Wakame.config.aws_secret_key, {:cache=>false})

  # Fetch the reference vm slice attributes.
  @ref_agent ||= master.agent_monitor.master_local
  ref_attr = ec2.describe_instances([@ref_agent.attr[:instance_id]])
  ref_attr = ref_attr[0]
  

  user_data = sprintf(USER_DATA_TMPL, master.attr[:local_ipv4], '')
  Wakame.log.debug("#{self.class}: Lauching VM: #{ref_attr.inspect}\nuser_data: #{user_data}")
  res = ec2.run_instances(ref_attr[:aws_image_id], 1, 1,
                          ref_attr[:aws_groups],
                          ref_attr[:ssh_key_name],
                          user_data,
                          'public', # addressing_type
                          ref_attr[:aws_instance_type], # instance_type
                          nil, # kernel_id
                          nil, # ramdisk_id
                          ref_attr[:aws_availability_zone], # availability_zone
                          nil # block_device_mappings
                          )[0]
  inst_id = res[:aws_instance_id]

  ConditionalWait.wait { | cond |
    cond.wait_event(Event::AgentMonitored) { |event|
      event.agent.attr[:instance_id] == inst_id
    }
    
    cond.poll(5, 100) {
      d = ec2.describe_instances([inst_id])[0]
      Wakame.log.debug("#{self.class}: Polling describe_instances(#{inst_id}): #{d[:aws_state]} ")
      d[:aws_state] == "running"
    }
  }

  notes[@notes_key] = inst_id

end