Class: Deltacloud::Drivers::Virtualbox::VirtualboxDriver

Inherits:
BaseDriver
  • Object
show all
Defined in:
lib/deltacloud/drivers/virtualbox/virtualbox_driver.rb

Instance Method Summary collapse

Methods inherited from BaseDriver

#catched_exceptions_list, declare_feature, define_hardware_profile, define_instance_states, feature, feature_decl_for, feature_decls, #features, features, #filter_hardware_profiles, #filter_on, #find_hardware_profile, #hardware_profile, hardware_profiles, #hardware_profiles, #has_collection?, #image, #instance, #instance_actions_for, instance_state_machine, #instance_state_machine, #realm, #safely, #storage_snapshot, #storage_snapshots, #storage_volume, #storage_volumes, #supported_collections

Instance Method Details

#create_instance(credentials, image_id, opts) ⇒ Object 



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# File 'lib/deltacloud/drivers/virtualbox/virtualbox_driver.rb', line 99

def create_instance(credentials, image_id, opts)
  image = images(credentials, { :id => image_id }).first

  # Choose a name for the new vm unless one was given
  name = opts[:name]
  if name.nil? or name.empty?
    # random uniqueish name w/o having to pull in UUID gem
    name = "#{image.name} - #{(Time.now.to_f * 1000).to_i}#{rand(1000)}"
  end

  hwp = find_hardware_profile(credentials, opts[:hwp_id], image_id)
  parent_vm = VirtualBox::VM.find(image.id)

  # Create new virtual machine
  vm = VirtualBox::VM.create(name, parent_vm.os_type_id)
  new_uid = vm.uuid

  # Add Hardware profile to this machine
  vm.memory_size = ((hwp.memory.value*1.024)*1000).to_i
  vm.cpu_count = hwp.cpu.value.to_i
  vm.vram_size = 16

  # Copy the network adapter settings from the parent vm
  vm.network_adapters[0].enabled = true
  vm.network_adapters[0].attachment_type = parent_vm.network_adapters[0].attachment_type
  vm.network_adapters[0].host_interface = parent_vm.network_adapters[0].host_interface

  # Store some metadata using extra data fields
  vm.extra_data['deltacloud_hwp_id'] = hwp.name
  vm.extra_data['deltacloud_image_id'] = image_id

  vm.save

  # Clone the disk image in a separate thread because it can take a long time
  Thread.new do
    # Reload the vm objects because they probably aren't safe to
    # reuse across threads
    parent_vm = VirtualBox::VM.find(image.id)
    vm = VirtualBox::VM.find(new_uid)

    # Add storage
    # This will 'reuse' existing image
    parent_hdd = hard_disk(parent_vm)
    new_location = File.join(File.dirname(parent_hdd.location), "#{name}.vdi")

    new_hd = parent_hdd.clone(new_location, "VDI")
    vm.add_storage_controller('IDE Controller', :ide, :piix4)
    vm.attach_storage('IDE Controller', 0, 0, :hard_disk, new_hd.uuid)
    vm.start
    if opts[:user_data]
      user_data = opts[:user_data].gsub("\n", '') # remove newlines from base64 encoded text
      vm.guest_property["/Deltacloud/UserData"] = user_data
    end
  end
  instances(credentials, :id => new_uid).first
end

#destroy_instance(credentials, id) ⇒ Object 



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# File 'lib/deltacloud/drivers/virtualbox/virtualbox_driver.rb', line 173

def destroy_instance(credentials, id)
  vm = VirtualBox::VM.find(id)
  vm.destroy(:destroy_medium => :delete)
end

#images(credentials, opts = nil) ⇒ Object 



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# File 'lib/deltacloud/drivers/virtualbox/virtualbox_driver.rb', line 84

def images(credentials, opts = nil)
  images = convert_images(VirtualBox::VM.all)
  images = filter_on( images, :id, opts )
  images = filter_on( images, :architecture, opts )
  images.sort_by{|e| [e.owner_id, e.description]}
end

#instances(credentials, opts = nil) ⇒ Object 



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# File 'lib/deltacloud/drivers/virtualbox/virtualbox_driver.rb', line 91

def instances(credentials, opts = nil)
  instances = convert_instances(VirtualBox::VM.all)
  instances = filter_on( instances, :id, opts )
  instances = filter_on( instances, :state, opts )
  instances = filter_on( instances, :image_id, opts )
  instances
end

#realms(credentials, opts = nil) ⇒ Object 



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# File 'lib/deltacloud/drivers/virtualbox/virtualbox_driver.rb', line 77

def realms(credentials, opts = nil)
  return REALMS if ( opts.nil? )
  results = REALMS
  results = filter_on( results, :id, opts )
  results
end

#reboot_instance(credentials, id) ⇒ Object 



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# File 'lib/deltacloud/drivers/virtualbox/virtualbox_driver.rb', line 156

def reboot_instance(credentials, id)
  vm = VirtualBox::VM.find(id)
  vm.control(:reset)
end

#start_instance(credentials, id) ⇒ Object 



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# File 'lib/deltacloud/drivers/virtualbox/virtualbox_driver.rb', line 168

def start_instance(credentials, id)
  vm = VirtualBox::VM.find(id)
  vm.start
end

#stop_instance(credentials, id) ⇒ Object 



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# File 'lib/deltacloud/drivers/virtualbox/virtualbox_driver.rb', line 161

def stop_instance(credentials, id)
  vm = VirtualBox::VM.find(id)
  unless vm.shutdown
    vm.stop
  end
end