Class: VagrantPlugins::ProviderLibvirt::Action::CreateDomain

Inherits:
Object
  • Object
show all
Includes:
Util::ErbTemplate
Defined in:
lib/vagrant-libvirt/action/create_domain.rb

Instance Method Summary collapse

Methods included from Util::ErbTemplate

#to_xml

Constructor Details

#initialize(app, env) ⇒ CreateDomain

Returns a new instance of CreateDomain.


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# File 'lib/vagrant-libvirt/action/create_domain.rb', line 10

def initialize(app, env)
  @logger = Log4r::Logger.new('vagrant_libvirt::action::create_domain')
  @app = app
end

Instance Method Details

#_disk_name(name, disk) ⇒ Object


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# File 'lib/vagrant-libvirt/action/create_domain.rb', line 15

def _disk_name(name, disk)
  return "#{name}-#{disk[:device]}.#{disk[:type]}"	# disk name
end

#_disks_print(disks) ⇒ Object


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# File 'lib/vagrant-libvirt/action/create_domain.rb', line 19

def _disks_print(disks)
  return disks.collect{ |x| x[:device]+'('+x[:type]+','+x[:size]+')' }.join(', ')
end

#call(env) ⇒ Object


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# File 'lib/vagrant-libvirt/action/create_domain.rb', line 23

def call(env)
  # Get config.
  config = env[:machine].provider_config

  # Gather some info about domain
  @name = env[:domain_name]
  @cpus = config.cpus
  @cpu_mode = config.cpu_mode
  @disk_bus = config.disk_bus
  @nested = config.nested
  @memory_size = config.memory*1024
  @domain_volume_cache = config.volume_cache
  @kernel = config.kernel
  @cmd_line = config.cmd_line
  @initrd = config.initrd
  @graphics_type = config.graphics_type
  @graphics_autoport = config.graphics_autoport
  @graphics_port = config.graphics_port
  @graphics_ip = config.graphics_ip
  @graphics_passwd =  if config.graphics_passwd.to_s.empty?
                        ''
                      else
                        "passwd='#{config.graphics_passwd.to_s}'"
                      end
  @video_type = config.video_type
  @video_vram = config.video_vram

  # Storage
  @storage_pool_name = config.storage_pool_name
  @disks = config.disks

  config = env[:machine].provider_config
  @domain_type = config.driver

  @os_type = 'hvm'

  # Get path to domain image.
  domain_volume = ProviderLibvirt::Util::Collection.find_matching(
    env[:libvirt_compute].volumes.all, "#{@name}.img")
  raise Errors::DomainVolumeExists if domain_volume.nil?
  @domain_volume_path = domain_volume.path

  # the default storage prefix is typically: /var/lib/libvirt/images/
  storage_prefix = File.dirname(@domain_volume_path)+'/'	# steal

  @disks.each do |disk|

    disk[:path] ||= _disk_name(@name, disk)

    # On volume creation, the <path> element inside <target>
    # is oddly ignored; instead the path is taken from the
    # <name> element:
    # http://www.redhat.com/archives/libvir-list/2008-August/msg00329.html
    disk[:name] = disk[:path]

    disk[:absolute_path] = storage_prefix + disk[:path]

    # make the disk. equivalent to:
    # qemu-img create -f qcow2 <path> 5g
    begin
      domain_volume_disk = env[:libvirt_compute].volumes.create(
        :name => disk[:name],
        :format_type => disk[:type],
        :path => disk[:absolute_path],
        :capacity => disk[:size],
        #:allocation => ?,
        :pool_name => @storage_pool_name)
    rescue Fog::Errors::Error => e
      raise Errors::FogDomainVolumeCreateError,
        :error_message => e.message
    end
  end

  # Output the settings we're going to use to the user
  env[:ui].info(I18n.t('vagrant_libvirt.creating_domain'))
  env[:ui].info(" -- Name:              #{@name}")
  env[:ui].info(" -- Domain type:       #{@domain_type}")
  env[:ui].info(" -- Cpus:              #{@cpus}")
  env[:ui].info(" -- Memory:            #{@memory_size/1024}M")
  env[:ui].info(" -- Base box:          #{env[:machine].box.name}")
  env[:ui].info(" -- Storage pool:      #{@storage_pool_name}")
  env[:ui].info(" -- Image:             #{@domain_volume_path}")
  env[:ui].info(" -- Volume Cache:      #{@domain_volume_cache}")
  env[:ui].info(" -- Kernel:            #{@kernel}")
  env[:ui].info(" -- Initrd:            #{@initrd}")
  env[:ui].info(" -- Graphics Type:     #{@graphics_type}")
  env[:ui].info(" -- Graphics Port:     #{@graphics_port}")
  env[:ui].info(" -- Graphics IP:       #{@graphics_ip}")
  env[:ui].info(" -- Graphics Password: #{@graphics_passwd.empty? ? 'Not defined': 'Defined'}")
  env[:ui].info(" -- Video Type:        #{@video_type}")
  env[:ui].info(" -- Video VRAM:        #{@video_vram}")

  if @disks.length > 0
    env[:ui].info(" -- Disks:         #{_disks_print(@disks)}")
  end
  @disks.each do |disk|
    env[:ui].info(" -- Disk(#{disk[:device]}):     #{disk[:absolute_path]}")
  end
  env[:ui].info(" -- Command line : #{@cmd_line}")

  # Create libvirt domain.
  # Is there a way to tell fog to create new domain with already
  # existing volume? Use domain creation from template..
  begin
    server = env[:libvirt_compute].servers.create(
      :xml => to_xml('domain'))
  rescue Fog::Errors::Error => e
    raise Errors::FogCreateServerError,
      :error_message => e.message
  end

  # Immediately save the ID since it is created at this point.
  env[:machine].id = server.id

  @app.call(env)
end