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 9

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

Instance Method Details

#_cdroms_print(cdroms) ⇒ Object 



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# File 'lib/vagrant-libvirt/action/create_domain.rb', line 24

def _cdroms_print(cdroms)
  cdroms.collect { |x| x[:dev] }.join(', ')
end

#_disk_name(name, disk) ⇒ Object 



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# File 'lib/vagrant-libvirt/action/create_domain.rb', line 14

def _disk_name(name, disk)
  "#{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 18

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

#call(env) ⇒ Object 



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# File 'lib/vagrant-libvirt/action/create_domain.rb', line 28

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

  # Gather some info about domain
  @name = env[:domain_name]
  @uuid = config.uuid
  @cpus = config.cpus.to_i
  @cpu_features = config.cpu_features
  @cpu_mode = config.cpu_mode
  @cpu_model = config.cpu_model
  @cpu_fallback = config.cpu_fallback
  @loader = config.loader
  @machine_type = config.machine_type
  @machine_arch = config.machine_arch
  @disk_bus = config.disk_bus
  @nested = config.nested
  @memory_size = config.memory.to_i * 1024
  @management_network_mac = config.management_network_mac
  @domain_volume_cache = config.volume_cache
  @kernel = config.kernel
  @cmd_line = config.cmd_line
  @emulator_path = config.emulator_path
  @initrd = config.initrd
  @dtb = config.dtb
  @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}'"
                      end
  @video_type = config.video_type
  @video_vram = config.video_vram
  @keymap = config.keymap
  @kvm_hidden = config.kvm_hidden

  @tpm_model = config.tpm_model
  @tpm_type = config.tpm_type
  @tpm_path = config.tpm_path

  # Boot order
  @boot_order = config.boot_order

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

  # Input
  @inputs = config.inputs

  # Channels
  @channels = config.channels

  # PCI device passthrough
  @pcis = config.pcis

  # USB device passthrough
  @usbs = config.usbs

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

  @os_type = 'hvm'

  # Get path to domain image from the storage pool selected if we have a box.
  if env[:machine].config.vm.box
    actual_volumes =
      env[:machine].provider.driver.connection.volumes.all.select do |x|
        x.pool_name == @storage_pool_name
      end
    domain_volume = ProviderLibvirt::Util::Collection.find_matching(
      actual_volumes,"#{@name}.img")
    raise Errors::DomainVolumeExists if domain_volume.nil?
    @domain_volume_path = domain_volume.path
  end

  # If we have a box, take the path from the domain volume and set our storage_prefix.
  # If not, we dump the storage pool xml to get its defined path.
  # the default storage prefix is typically: /var/lib/libvirt/images/
  if env[:machine].config.vm.box
    storage_prefix = File.dirname(@domain_volume_path) + '/'        # steal
  else
    storage_pool = env[:machine].provider.driver.connection.client.lookup_storage_pool_by_name(@storage_pool_name)
    raise Errors::NoStoragePool if storage_pool.nil?
    xml = Nokogiri::XML(storage_pool.xml_desc)
    storage_prefix = xml.xpath("/pool/target/path").inner_text.to_s + '/'
  end

  @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]

    if env[:machine].provider.driver.connection.volumes.select do |x|
      x.name == disk[:name] && x.pool_name == @storage_pool_name
    end.empty?
      # make the disk. equivalent to:
      # qemu-img create -f qcow2 <path> 5g
      begin
        env[:machine].provider.driver.connection.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
    else
      disk[:preexisting] = true
    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}")
  if @uuid != ''
    env[:ui].info(" -- Forced UUID:       #{@uuid}")
  end
  env[:ui].info(" -- Domain type:       #{@domain_type}")
  env[:ui].info(" -- Cpus:              #{@cpus}")
  @cpu_features.each do |cpu_feature|
    env[:ui].info(" -- CPU Feature:       name=#{cpu_feature[:name]}, policy=#{cpu_feature[:policy]}")
  end
  env[:ui].info(" -- Memory:            #{@memory_size / 1024}M")
  env[:ui].info(" -- Management MAC:    #{@management_network_mac}")
  env[:ui].info(" -- Loader:            #{@loader}")
  if env[:machine].config.vm.box
    env[:ui].info(" -- Base box:          #{env[:machine].box.name}")
  end
  env[:ui].info(" -- Storage pool:      #{@storage_pool_name}")
  env[:ui].info(" -- Image:             #{@domain_volume_path} (#{env[:box_virtual_size]}G)")
  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}")
  env[:ui].info(" -- Keymap:            #{@keymap}")
  env[:ui].info(" -- TPM Path:          #{@tpm_path}")

  @boot_order.each do |device|
    env[:ui].info(" -- Boot device:        #{device}")
  end

  if @disks.length > 0
    env[:ui].info(" -- Disks:         #{_disks_print(@disks)}")
  end

  @disks.each do |disk|
    msg = " -- Disk(#{disk[:device]}):     #{disk[:absolute_path]}"
    msg += ' (shared. Remove only manually)' if disk[:allow_existing]
    msg += ' Not created - using existed.' if disk[:preexisting]
    env[:ui].info(msg)
  end

  if @cdroms.length > 0
    env[:ui].info(" -- CDROMS:            #{_cdroms_print(@cdroms)}")
  end

  @cdroms.each do |cdrom|
    env[:ui].info(" -- CDROM(#{cdrom[:dev]}):        #{cdrom[:path]}")
  end

  @inputs.each do |input|
    env[:ui].info(" -- INPUT:             type=#{input[:type]}, bus=#{input[:bus]}")
  end

  @channels.each do |channel|
    env[:ui].info(" -- CHANNEL:             type=#{channel[:type]}, mode=#{channel[:source_mode]}")
    env[:ui].info(" -- CHANNEL:             target_type=#{channel[:target_type]}, target_name=#{channel[:target_name]}")
  end

  @pcis.each do |pci|
    env[:ui].info(" -- PCI passthrough:   #{pci[:bus]}:#{pci[:slot]}.#{pci[:function]}")
  end

  @usbs.each do |usb|
    usb_dev = []
    usb_dev.push("bus=#{usb[:bus]}") if usb[:bus]
    usb_dev.push("device=#{usb[:device]}") if usb[:device]
    usb_dev.push("vendor=#{usb[:vendor]}") if usb[:vendor]
    usb_dev.push("product=#{usb[:product]}") if usb[:product]
    env[:ui].info(" -- USB passthrough:   #{usb_dev.join(', ')}")
  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[:machine].provider.driver.connection.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