Esempio n. 1
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    def clean_up_ramdisk(self, task):
        """Cleans up the boot of ironic ramdisk.

        This method cleans up the PXE environment that was setup for booting
        the deploy or rescue ramdisk. It unlinks the deploy/rescue
        kernel/ramdisk in the node's directory in tftproot and removes it's PXE
        config.

        :param task: a task from TaskManager.
        :param mode: Label indicating a deploy or rescue operation
            was carried out on the node. Supported values are 'deploy' and
            'rescue'. Defaults to 'deploy', indicating deploy operation was
            carried out.
        :returns: None
        """
        node = task.node
        mode = deploy_utils.rescue_or_deploy_mode(node)
        try:
            images_info = pxe_utils.get_image_info(node, mode=mode)
        except exception.MissingParameterValue as e:
            LOG.warning('Could not get %(mode)s image info '
                        'to clean up images for node %(node)s: %(err)s',
                        {'mode': mode, 'node': node.uuid, 'err': e})
        else:
            pxe_utils.clean_up_pxe_env(task, images_info)
Esempio n. 2
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def build_pxe_config_options(task, pxe_info, service=False,
                             ipxe_enabled=False):
    """Build the PXE config options for a node

    This method builds the PXE boot options for a node,
    given all the required parameters.

    The options should then be passed to pxe_utils.create_pxe_config to
    create the actual config files.

    :param task: A TaskManager object
    :param pxe_info: a dict of values to set on the configuration file
    :param service: if True, build "service mode" pxe config for netboot-ed
        user image and skip adding deployment image kernel and ramdisk info
        to PXE options.
    :param ipxe_enabled: Default false boolean to indicate if ipxe
                         is in use by the caller.
    :returns: A dictionary of pxe options to be used in the pxe bootfile
        template.
    """
    node = task.node
    mode = deploy_utils.rescue_or_deploy_mode(node)
    if service:
        pxe_options = {}
    elif (node.driver_internal_info.get('boot_from_volume')
            and ipxe_enabled):
        pxe_options = get_volume_pxe_options(task)
    else:
        pxe_options = build_deploy_pxe_options(task, pxe_info, mode=mode,
                                               ipxe_enabled=ipxe_enabled)

    # NOTE(pas-ha) we still must always add user image kernel and ramdisk
    # info as later during switching PXE config to service mode the
    # template will not be regenerated anew, but instead edited as-is.
    # This can be changed later if/when switching PXE config will also use
    # proper templating instead of editing existing files on disk.
    pxe_options.update(build_instance_pxe_options(task, pxe_info,
                                                  ipxe_enabled=ipxe_enabled))

    pxe_options.update(build_extra_pxe_options())

    return pxe_options
Esempio n. 3
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def _parse_driver_info(node):
    """Gets the driver specific Node deployment info.

    This method validates whether the 'driver_info' property of the
    supplied node contains the required or optional information properly
    for this driver to deploy images to the node.

    :param node: a target node of the deployment
    :returns: the driver_info values of the node.
    :raises: MissingParameterValue, if any of the required parameters are
        missing.
    :raises: InvalidParameterValue, if any of the parameters have invalid
        value.
    """
    d_info = node.driver_info

    mode = deploy_utils.rescue_or_deploy_mode(node)
    params_to_check = KERNEL_RAMDISK_LABELS[mode]

    deploy_info = {option: d_info.get(option)
                   for option in params_to_check}

    if not any(deploy_info.values()):
        # NOTE(dtantsur): avoid situation when e.g. deploy_kernel comes
        # from driver_info but deploy_ramdisk comes from configuration,
        # since it's a sign of a potential operator's mistake.
        deploy_info = {k: getattr(CONF.conductor, k)
                       for k in params_to_check}

    error_msg = _("Error validating Redfish virtual media. Some "
                  "parameters were missing in node's driver_info")

    deploy_utils.check_for_missing_params(deploy_info, error_msg)

    deploy_info.update(
        {option: d_info.get(option, getattr(CONF.conductor, option, None))
         for option in OPTIONAL_PROPERTIES})

    deploy_info.update(redfish_utils.parse_driver_info(node))

    return deploy_info
Esempio n. 4
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def _build_pxe_config_options(task, pxe_info, service=False):
    """Build the PXE config options for a node

    This method builds the PXE boot options for a node,
    given all the required parameters.

    The options should then be passed to pxe_utils.create_pxe_config to
    create the actual config files.

    :param task: A TaskManager object
    :param pxe_info: a dict of values to set on the configuration file
    :param service: if True, build "service mode" pxe config for netboot-ed
        user image and skip adding deployment image kernel and ramdisk info
        to PXE options.
    :returns: A dictionary of pxe options to be used in the pxe bootfile
        template.
    """
    node = task.node
    mode = deploy_utils.rescue_or_deploy_mode(node)
    if service:
        pxe_options = {}
    elif (node.driver_internal_info.get('boot_from_volume')
            and CONF.pxe.ipxe_enabled):
        pxe_options = _get_volume_pxe_options(task)
    else:
        pxe_options = _build_deploy_pxe_options(task, pxe_info, mode=mode)

    # NOTE(pas-ha) we still must always add user image kernel and ramdisk
    # info as later during switching PXE config to service mode the
    # template will not be regenerated anew, but instead edited as-is.
    # This can be changed later if/when switching PXE config will also use
    # proper templating instead of editing existing files on disk.
    pxe_options.update(_build_instance_pxe_options(task, pxe_info))

    pxe_options.update(_build_extra_pxe_options())

    return pxe_options
Esempio n. 5
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    def prepare_ramdisk(self, task, ramdisk_params):
        """Prepares the boot of deploy ramdisk using virtual media.

        This method prepares the boot of the deploy or rescue ramdisk after
        reading relevant information from the node's driver_info and
        instance_info.

        :param task: a task from TaskManager.
        :param ramdisk_params: the parameters to be passed to the ramdisk.
        :returns: None
        :raises: MissingParameterValue, if some information is missing in
            node's driver_info or instance_info.
        :raises: InvalidParameterValue, if some information provided is
            invalid.
        :raises: IronicException, if some power or set boot boot device
            operation failed on the node.
        :raises: IloOperationError, if some operation on iLO failed.
        """

        node = task.node
        # NOTE(TheJulia): If this method is being called by something
        # aside from deployment, clean and rescue, such as conductor takeover,
        # we should treat this as a no-op and move on otherwise we would
        # modify the state of the node due to virtual media operations.
        if node.provision_state not in (states.DEPLOYING, states.CLEANING,
                                        states.RESCUING, states.INSPECTING):
            return

        prepare_node_for_deploy(task)

        # Clear ilo_boot_iso if it's a glance image to force recreate
        # another one again (or use existing one in glance).
        # This is mainly for rebuild and rescue scenario.
        if service_utils.is_glance_image(
                node.instance_info.get('image_source')):
            instance_info = node.instance_info
            instance_info.pop('ilo_boot_iso', None)
            node.instance_info = instance_info
            node.save()

        # Eject all virtual media devices, as we are going to use them
        # during boot.
        ilo_common.eject_vmedia_devices(task)

        # NOTE(TheJulia): Since we're deploying, cleaning, or rescuing,
        # with virtual media boot, we should generate a token!
        manager_utils.add_secret_token(task.node, pregenerated=True)
        ramdisk_params['ipa-agent-token'] = \
            task.node.driver_internal_info['agent_secret_token']
        task.node.save()

        deploy_nic_mac = deploy_utils.get_single_nic_with_vif_port_id(task)
        ramdisk_params['BOOTIF'] = deploy_nic_mac
        if (node.driver_info.get('ilo_rescue_iso')
                and node.provision_state == states.RESCUING):
            iso = node.driver_info['ilo_rescue_iso']
        elif node.driver_info.get('ilo_deploy_iso'):
            iso = node.driver_info['ilo_deploy_iso']
        else:
            mode = deploy_utils.rescue_or_deploy_mode(node)
            d_info = parse_driver_info(node, mode)
            use_web_server = CONF.ilo.use_web_server_for_images
            container = CONF.ilo.swift_ilo_container
            iso = virtual_media_base.prepare_deploy_iso(
                task,
                ramdisk_params,
                mode,
                d_info,
                use_web_server=use_web_server,
                container=container)
        ilo_common.setup_vmedia(task, iso, ramdisk_params)
Esempio n. 6
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    def prepare_ramdisk(self, task, ramdisk_params):
        """Prepares the boot of Ironic ramdisk using PXE.

        This method prepares the boot of the deploy or rescue kernel/ramdisk
        after reading relevant information from the node's driver_info and
        instance_info.

        :param task: a task from TaskManager.
        :param ramdisk_params: the parameters to be passed to the ramdisk.
            pxe driver passes these parameters as kernel command-line
            arguments.
        :param mode: Label indicating a deploy or rescue operation
            being carried out on the node. Supported values are
            'deploy' and 'rescue'. Defaults to 'deploy', indicating
            deploy operation is being carried out.
        :returns: None
        :raises: MissingParameterValue, if some information is missing in
            node's driver_info or instance_info.
        :raises: InvalidParameterValue, if some information provided is
            invalid.
        :raises: IronicException, if some power or set boot boot device
            operation failed on the node.
        """
        node = task.node
        mode = deploy_utils.rescue_or_deploy_mode(node)

        if CONF.pxe.ipxe_enabled:
            # NOTE(mjturek): At this point, the ipxe boot script should
            # already exist as it is created at startup time. However, we
            # call the boot script create method here to assert its
            # existence and handle the unlikely case that it wasn't created
            # or was deleted.
            pxe_utils.create_ipxe_boot_script()

        dhcp_opts = pxe_utils.dhcp_options_for_instance(task)
        provider = dhcp_factory.DHCPFactory()
        provider.update_dhcp(task, dhcp_opts)

        pxe_info = _get_image_info(node, mode=mode)

        # NODE: Try to validate and fetch instance images only
        # if we are in DEPLOYING state.
        if node.provision_state == states.DEPLOYING:
            pxe_info.update(_get_instance_image_info(node, task.context))

        pxe_options = _build_pxe_config_options(task, pxe_info)
        pxe_options.update(ramdisk_params)

        pxe_config_template = deploy_utils.get_pxe_config_template(node)

        pxe_utils.create_pxe_config(task, pxe_options,
                                    pxe_config_template)
        persistent = strutils.bool_from_string(
            node.driver_info.get('force_persistent_boot_device',
                                 False))
        manager_utils.node_set_boot_device(task, boot_devices.PXE,
                                           persistent=persistent)

        if CONF.pxe.ipxe_enabled and CONF.pxe.ipxe_use_swift:
            kernel_label = '%s_kernel' % mode
            ramdisk_label = '%s_ramdisk' % mode
            pxe_info.pop(kernel_label, None)
            pxe_info.pop(ramdisk_label, None)

        if pxe_info:
            _cache_ramdisk_kernel(task.context, node, pxe_info)
Esempio n. 7
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File: boot.py Progetto: LZMWL/ironic
    def prepare_ramdisk(self, task, ramdisk_params):
        """Prepares the boot of deploy or rescue ramdisk over virtual media.

        This method prepares the boot of the deploy or rescue ramdisk after
        reading relevant information from the node's driver_info and
        instance_info.

        :param task: A task from TaskManager.
        :param ramdisk_params: the parameters to be passed to the ramdisk.
        :returns: None
        :raises: MissingParameterValue, if some information is missing in
            node's driver_info or instance_info.
        :raises: InvalidParameterValue, if some information provided is
            invalid.
        :raises: IronicException, if some power or set boot boot device
            operation failed on the node.
        """
        node = task.node
        # NOTE(TheJulia): If this method is being called by something
        # aside from deployment, clean and rescue, such as conductor takeover,
        # we should treat this as a no-op and move on otherwise we would
        # modify the state of the node due to virtual media operations.
        if node.provision_state not in (states.DEPLOYING, states.CLEANING,
                                        states.RESCUING, states.INSPECTING):
            return

        manager_utils.node_power_action(task, states.POWER_OFF)

        d_info = self._parse_driver_info(node)

        config_via_floppy = d_info.get('config_via_floppy')

        deploy_nic_mac = deploy_utils.get_single_nic_with_vif_port_id(task)
        ramdisk_params['BOOTIF'] = deploy_nic_mac
        if CONF.debug and 'ipa-debug' not in ramdisk_params:
            ramdisk_params['ipa-debug'] = '1'

        if config_via_floppy:

            if self._has_vmedia_device(task, sushy.VIRTUAL_MEDIA_FLOPPY):
                # NOTE (etingof): IPA will read the diskette only if
                # we tell it to
                ramdisk_params['boot_method'] = 'vmedia'

                floppy_ref = self._prepare_floppy_image(task,
                                                        params=ramdisk_params)

                self._eject_vmedia(task, sushy.VIRTUAL_MEDIA_FLOPPY)
                self._insert_vmedia(task, floppy_ref,
                                    sushy.VIRTUAL_MEDIA_FLOPPY)

                LOG.debug(
                    'Inserted virtual floppy with configuration for '
                    'node %(node)s', {'node': task.node.uuid})

            else:
                LOG.warning(
                    'Config via floppy is requested, but '
                    'Floppy drive is not available on node '
                    '%(node)s', {'node': task.node.uuid})

        mode = deploy_utils.rescue_or_deploy_mode(node)

        iso_ref = self._prepare_deploy_iso(task, ramdisk_params, mode)

        self._eject_vmedia(task, sushy.VIRTUAL_MEDIA_CD)
        self._insert_vmedia(task, iso_ref, sushy.VIRTUAL_MEDIA_CD)

        boot_mode_utils.sync_boot_mode(task)

        self._set_boot_device(task, boot_devices.CDROM)

        LOG.debug("Node %(node)s is set to one time boot from "
                  "%(device)s", {
                      'node': task.node.uuid,
                      'device': boot_devices.CDROM
                  })
Esempio n. 8
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    def prepare_ramdisk(self, task, ramdisk_params):
        """Prepares the boot of Ironic ramdisk using PXE.

        This method prepares the boot of the deploy or rescue kernel/ramdisk
        after reading relevant information from the node's driver_info and
        instance_info.

        :param task: a task from TaskManager.
        :param ramdisk_params: the parameters to be passed to the ramdisk.
            pxe driver passes these parameters as kernel command-line
            arguments.
        :returns: None
        :raises: MissingParameterValue, if some information is missing in
            node's driver_info or instance_info.
        :raises: InvalidParameterValue, if some information provided is
            invalid.
        :raises: IronicException, if some power or set boot boot device
            operation failed on the node.
        """
        node = task.node

        # Label indicating a deploy or rescue operation being carried out on
        # the node, 'deploy' or 'rescue'. Unless the node is in a rescue like
        # state, the mode is set to 'deploy', indicating deploy operation is
        # being carried out.
        mode = deploy_utils.rescue_or_deploy_mode(node)
        ipxe_enabled = CONF.pxe.ipxe_enabled
        if ipxe_enabled:
            # NOTE(mjturek): At this point, the ipxe boot script should
            # already exist as it is created at startup time. However, we
            # call the boot script create method here to assert its
            # existence and handle the unlikely case that it wasn't created
            # or was deleted.
            pxe_utils.create_ipxe_boot_script()

        dhcp_opts = pxe_utils.dhcp_options_for_instance(
            task, ipxe_enabled=ipxe_enabled)
        provider = dhcp_factory.DHCPFactory()
        provider.update_dhcp(task, dhcp_opts)

        pxe_info = pxe_utils.get_image_info(node, mode=mode)

        # NODE: Try to validate and fetch instance images only
        # if we are in DEPLOYING state.
        if node.provision_state == states.DEPLOYING:
            pxe_info.update(pxe_utils.get_instance_image_info(task))
            boot_mode_utils.sync_boot_mode(task)

        pxe_options = pxe_utils.build_pxe_config_options(
            task,
            pxe_info,
            ipxe_enabled=ipxe_enabled,
            ramdisk_params=ramdisk_params)
        # TODO(dtantsur): backwards compability hack, remove in the V release
        if ramdisk_params.get("ipa-api-url"):
            pxe_options["ipa-api-url"] = ramdisk_params["ipa-api-url"]

        pxe_config_template = deploy_utils.get_pxe_config_template(node)

        pxe_utils.create_pxe_config(task,
                                    pxe_options,
                                    pxe_config_template,
                                    ipxe_enabled=CONF.pxe.ipxe_enabled)

        persistent = self._persistent_ramdisk_boot(node)
        manager_utils.node_set_boot_device(task,
                                           boot_devices.PXE,
                                           persistent=persistent)

        if CONF.pxe.ipxe_enabled and CONF.pxe.ipxe_use_swift:
            kernel_label = '%s_kernel' % mode
            ramdisk_label = '%s_ramdisk' % mode
            pxe_info.pop(kernel_label, None)
            pxe_info.pop(ramdisk_label, None)

        if pxe_info:
            pxe_utils.cache_ramdisk_kernel(task,
                                           pxe_info,
                                           ipxe_enabled=CONF.pxe.ipxe_enabled)
        LOG.debug(
            'Ramdisk PXE boot for node %(node)s has been prepared '
            'with kernel params %(params)s', {
                'node': node.uuid,
                'params': pxe_options
            })
Esempio n. 9
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    def prepare_ramdisk(self, task, ramdisk_params):
        """Prepares the boot of deploy or rescue ramdisk over virtual media.

        This method prepares the boot of the deploy or rescue ramdisk after
        reading relevant information from the node's driver_info and
        instance_info.

        :param task: A task from TaskManager.
        :param ramdisk_params: the parameters to be passed to the ramdisk.
        :returns: None
        :raises: MissingParameterValue, if some information is missing in
            node's driver_info or instance_info.
        :raises: InvalidParameterValue, if some information provided is
            invalid.
        :raises: IronicException, if some power or set boot boot device
            operation failed on the node.
        """
        node = task.node
        # NOTE(TheJulia): If this method is being called by something
        # aside from deployment, clean and rescue, such as conductor takeover,
        # we should treat this as a no-op and move on otherwise we would
        # modify the state of the node due to virtual media operations.
        if node.provision_state not in (states.DEPLOYING, states.CLEANING,
                                        states.RESCUING, states.INSPECTING):
            return

        d_info = _parse_driver_info(node)
        managers = redfish_utils.get_system(task.node).managers

        if manager_utils.is_fast_track(task):
            if _has_vmedia_device(managers,
                                  sushy.VIRTUAL_MEDIA_CD,
                                  inserted=True):
                LOG.debug(
                    'Fast track operation for node %s, not inserting '
                    'any devices', node.uuid)
                return
            else:
                LOG.warning(
                    'Fast track is possible for node %s, but no ISO '
                    'is currently inserted! Proceeding with '
                    'normal operation.', node.uuid)

        # NOTE(TheJulia): Since we're deploying, cleaning, or rescuing,
        # with virtual media boot, we should generate a token!
        # However, we don't have a way to inject it with a pre-built ISO
        # if a removable disk is not used.
        can_config = d_info.pop('can_provide_config', True)
        if can_config:
            manager_utils.add_secret_token(node, pregenerated=True)
            node.save()
            ramdisk_params['ipa-agent-token'] = \
                node.driver_internal_info['agent_secret_token']

        manager_utils.node_power_action(task, states.POWER_OFF)

        deploy_nic_mac = deploy_utils.get_single_nic_with_vif_port_id(task)
        if deploy_nic_mac is not None:
            ramdisk_params['BOOTIF'] = deploy_nic_mac
        if CONF.debug and 'ipa-debug' not in ramdisk_params:
            ramdisk_params['ipa-debug'] = '1'

        # NOTE(TheJulia): This is a mandatory setting for virtual media
        # based deployment operations.
        ramdisk_params['boot_method'] = 'vmedia'

        config_via_removable = d_info.get('config_via_removable')
        if config_via_removable:

            removable = _has_vmedia_device(
                managers,
                # Prefer USB devices since floppies are outdated
                [sushy.VIRTUAL_MEDIA_USBSTICK, sushy.VIRTUAL_MEDIA_FLOPPY])
            if removable:
                floppy_ref = image_utils.prepare_floppy_image(
                    task, params=ramdisk_params)

                _eject_vmedia(task, managers, removable)
                _insert_vmedia(task, managers, floppy_ref, removable)

                LOG.info(
                    'Inserted virtual %(type)s device with configuration'
                    ' for node %(node)s', {
                        'node': task.node.uuid,
                        'type': removable
                    })

            else:
                LOG.warning(
                    'Config via a removable device is requested, but '
                    'virtual USB and floppy devices are not '
                    'available on node %(node)s', {'node': task.node.uuid})

        mode = deploy_utils.rescue_or_deploy_mode(node)

        iso_ref = image_utils.prepare_deploy_iso(task, ramdisk_params, mode,
                                                 d_info)

        _eject_vmedia(task, managers, sushy.VIRTUAL_MEDIA_CD)
        _insert_vmedia(task, managers, iso_ref, sushy.VIRTUAL_MEDIA_CD)

        del managers

        boot_mode_utils.sync_boot_mode(task)

        self._set_boot_device(task, boot_devices.CDROM)

        LOG.debug("Node %(node)s is set to one time boot from "
                  "%(device)s", {
                      'node': task.node.uuid,
                      'device': boot_devices.CDROM
                  })
Esempio n. 10
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    def prepare_ramdisk(self, task, ramdisk_params):
        """Prepares the boot of Ironic ramdisk using PXE.

        This method prepares the boot of the deploy or rescue kernel/ramdisk
        after reading relevant information from the node's driver_info and
        instance_info.

        :param task: a task from TaskManager.
        :param ramdisk_params: the parameters to be passed to the ramdisk.
            pxe driver passes these parameters as kernel command-line
            arguments.
        :returns: None
        :raises: MissingParameterValue, if some information is missing in
            node's driver_info or instance_info.
        :raises: InvalidParameterValue, if some information provided is
            invalid.
        :raises: IronicException, if some power or set boot boot device
            operation failed on the node.
        """
        node = task.node

        # Label indicating a deploy or rescue operation being carried out on
        # the node, 'deploy' or 'rescue'. Unless the node is in a rescue like
        # state, the mode is set to 'deploy', indicating deploy operation is
        # being carried out.
        mode = deploy_utils.rescue_or_deploy_mode(node)

        # NOTE(mjturek): At this point, the ipxe boot script should
        # already exist as it is created at startup time. However, we
        # call the boot script create method here to assert its
        # existence and handle the unlikely case that it wasn't created
        # or was deleted.
        pxe_utils.create_ipxe_boot_script()

        dhcp_opts = pxe_utils.dhcp_options_for_instance(
            task, ipxe_enabled=True)
        provider = dhcp_factory.DHCPFactory()
        provider.update_dhcp(task, dhcp_opts)

        pxe_info = pxe_utils.get_image_info(node, mode=mode,
                                            ipxe_enabled=True)

        # NODE: Try to validate and fetch instance images only
        # if we are in DEPLOYING state.
        if node.provision_state == states.DEPLOYING:
            pxe_info.update(
                pxe_utils.get_instance_image_info(task, ipxe_enabled=True))
            boot_mode_utils.sync_boot_mode(task)

        pxe_options = pxe_utils.build_pxe_config_options(task, pxe_info,
                                                         ipxe_enabled=True)
        pxe_options.update(ramdisk_params)

        pxe_config_template = deploy_utils.get_pxe_config_template(node)

        pxe_utils.create_pxe_config(task, pxe_options,
                                    pxe_config_template,
                                    ipxe_enabled=True)
        persistent = False
        value = node.driver_info.get('force_persistent_boot_device',
                                     'Default')
        if value in {'Always', 'Default', 'Never'}:
            if value == 'Always':
                persistent = True
        else:
            persistent = strutils.bool_from_string(value, False)
        manager_utils.node_set_boot_device(task, boot_devices.PXE,
                                           persistent=persistent)

        if CONF.pxe.ipxe_use_swift:
            kernel_label = '%s_kernel' % mode
            ramdisk_label = '%s_ramdisk' % mode
            pxe_info.pop(kernel_label, None)
            pxe_info.pop(ramdisk_label, None)

        if pxe_info:
            pxe_utils.cache_ramdisk_kernel(task, pxe_info, ipxe_enabled=True)