Class: VagrantPlugins::XenServer::Action::CreateTemplate

Inherits:
Object
  • Object
show all
Defined in:
lib/vagrant-xenserver/action/create_template.rb

Instance Method Summary collapse

Constructor Details

#initialize(app, env) ⇒ CreateTemplate

Returns a new instance of CreateTemplate.



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# File 'lib/vagrant-xenserver/action/create_template.rb', line 12

def initialize(app, env)
  @app = app
  @logger = Log4r::Logger.new("vagrant::xenserver::actions::create_template")
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/vagrant-xenserver/action/create_template.rb', line 17

def call(env)
  if env[:template].nil?

    box_name = env[:machine].box.name.to_s
    box_version = env[:machine].box.version.to_s

    # No template - that means it wasn't a downloaded XVA.
    # Let's create a VM and attach the uploaded VDI to it.
    # First see if we've done that already:
    
    Action.getlock.synchronize do
      templates = env[:xc].VM.get_all_records_where("field \"is_a_template\"=\"true\"")
      template = templates.detect { |vm,vmr|
        vmr["other_config"]["box_name"] == box_name &&
          vmr["other_config"]["box_version"] == box_version
      }

      if template.nil?
        vdi_ref = env[:box_vdi]

        oim = env[:xc].VM.get_by_name_label("Other install media")[0]
      
        template_name = "#{box_name}.#{box_version}"
      
        template_ref = env[:xc].VM.clone(oim,template_name)
      
        vbd_record = {
          'VM' => template_ref,
          'VDI' => env[:box_vdi],
          'userdevice' => '0',
          'bootable' => true,
          'mode' => 'RW',
          'type' => 'Disk',
          'unpluggable' => false,
          'empty' => false,
          'other_config' => {},
          'qos_algorithm_type' => '',
          'qos_algorithm_params' => {}
        }
      
        vbd_res = env[:xc].VBD.create(vbd_record)
      
        @logger.info("vbd_res=" + vbd_res.to_s)

        env[:xc].VM.add_to_other_config(template_ref, "box_name", box_name)
        env[:xc].VM.add_to_other_config(template_ref, "box_version", box_version)
      
        if env[:machine].provider_config.pv
          env[:xc].VM.set_HVM_boot_policy(template_ref,"")
          env[:xc].VM.set_PV_bootloader(template_ref,"pygrub")
        end

        mem = ((env[:machine].provider_config.memory) * (1024*1024)).to_s
        env[:xc].VM.set_memory_limits(template_ref,mem,mem,mem,mem)

        env[:template] = template_ref
      
      else
        @logger.info("Found pre-existing template for this box")
        (template_ref, template_rec) = template
        env[:template] = template_ref
      end
    end
  end
    
  @app.call env
end