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) # 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) # 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 = 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_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)
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 })
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)