Synnefo » snf-ganeti

        data.append(info)

    return data

                                      kvmhelp, devlist):

    """Generate KVM options regarding instance's block devices.

    @type instance: L{objects.Instance}

    @param instance: the instance object

    @type kvm_disks: list of tuples

    @param kvm_disks: list of tuples [(disk, link_name)..]

    @type kvmhelp: string

    @return: list of command line options eventually used by kvm executable

    """

    if kernel_path:

      boot_disk = False

    else:

    # whether this is an older KVM version that uses the boot=on flag

    # on devices

    dev_opts = []

    device_driver = None

    if disk_type == constants.HT_DISK_PARAVIRTUAL:

      if_val = ",if=%s" % self._VIRTIO

      try:

    else:

      if_val = ",if=%s" % disk_type

    # Cache mode

    if instance.disk_template in constants.DTS_EXT_MIRROR:

      if disk_cache != "none":

        # TODO: make this a hard error, instead of a silent overwrite

    devlist = self._GetKVMOutput(kvm_path, self._KVMOPT_DEVICELIST)

    bdev_opts = self._GenerateKVMBlockDevicesOptions(instance,

                                                     kvm_disks,

                                                     kvmhelp,

                                                     devlist)