def build_service_pxe_config(task, instance_image_info, root_uuid_or_disk_id, ramdisk_boot=False, ipxe_enabled=False): node = task.node pxe_config_path = get_pxe_config_file_path(node.uuid, ipxe_enabled=ipxe_enabled) # NOTE(pas-ha) if it is takeover of ACTIVE node or node performing # unrescue operation, first ensure that basic PXE configs and links # are in place before switching pxe config # NOTE(TheJulia): Also consider deploying a valid state to go ahead # and check things before continuing, as otherwise deployments can # fail if the agent was booted outside the direct actions of the # boot interface. if (node.provision_state in [states.ACTIVE, states.UNRESCUING, states.DEPLOYING] and not os.path.isfile(pxe_config_path)): pxe_options = build_pxe_config_options(task, instance_image_info, service=True, ipxe_enabled=ipxe_enabled) pxe_config_template = deploy_utils.get_pxe_config_template(node) create_pxe_config(task, pxe_options, pxe_config_template, ipxe_enabled=ipxe_enabled) iwdi = node.driver_internal_info.get('is_whole_disk_image') deploy_utils.switch_pxe_config( pxe_config_path, root_uuid_or_disk_id, boot_mode_utils.get_boot_mode(node), iwdi, deploy_utils.is_trusted_boot_requested(node), deploy_utils.is_iscsi_boot(task), ramdisk_boot, ipxe_enabled=ipxe_enabled)
def clean_up_instance(self, task): """Cleans up the boot of instance. This method cleans up the PXE environment that was setup for booting the instance. It unlinks the instance kernel/ramdisk in the node's directory in tftproot and removes it's PXE config. In case of UEFI iSCSI booting, it cleans up iSCSI target information from the node. :param task: a task from TaskManager. :returns: None :raises: IloOperationError, if some operation on iLO failed. """ manager_utils.node_power_action(task, states.POWER_OFF) disable_secure_boot_if_supported(task) driver_internal_info = task.node.driver_internal_info if (deploy_utils.is_iscsi_boot(task) and task.node.driver_internal_info.get('ilo_uefi_iscsi_boot')): # It will clear iSCSI info from iLO in case of booting from # volume in UEFI boot mode task.driver.management.clear_iscsi_boot_target(task) driver_internal_info.pop('ilo_uefi_iscsi_boot', None) task.node.driver_internal_info = driver_internal_info task.node.save() else: # Volume boot in BIOS boot mode is handled using # PXE boot interface super(IloPXEBoot, self).clean_up_instance(task)
def clean_up_instance(self, task): """Cleans up the boot of instance. This method cleans up the environment that was setup for booting the instance. It ejects virtual media. In case of UEFI iSCSI booting, it cleans up iSCSI target information from the node. :param task: a task from TaskManager. :returns: None :raises: IloOperationError, if some operation on iLO failed. """ LOG.debug("Cleaning up the instance.") manager_utils.node_power_action(task, states.POWER_OFF) disable_secure_boot_if_supported(task) driver_internal_info = task.node.driver_internal_info if (deploy_utils.is_iscsi_boot(task) and task.node.driver_internal_info.get('ilo_uefi_iscsi_boot')): # It will clear iSCSI info from iLO task.driver.management.clear_iscsi_boot_target(task) driver_internal_info.pop('ilo_uefi_iscsi_boot', None) else: _clean_up_boot_iso_for_instance(task.node) driver_internal_info.pop('boot_iso_created_in_web_server', None) ilo_common.cleanup_vmedia_boot(task) task.node.driver_internal_info = driver_internal_info task.node.save()
def build_service_pxe_config(task, instance_image_info, root_uuid_or_disk_id, ramdisk_boot=False, ipxe_enabled=False): node = task.node pxe_config_path = get_pxe_config_file_path(node.uuid) # NOTE(pas-ha) if it is takeover of ACTIVE node or node performing # unrescue operation, first ensure that basic PXE configs and links # are in place before switching pxe config if (node.provision_state in [states.ACTIVE, states.UNRESCUING] and not os.path.isfile(pxe_config_path)): pxe_options = build_pxe_config_options(task, instance_image_info, service=True, ipxe_enabled=ipxe_enabled) pxe_config_template = deploy_utils.get_pxe_config_template(node) create_pxe_config(task, pxe_options, pxe_config_template, ipxe_enabled=ipxe_enabled) iwdi = node.driver_internal_info.get('is_whole_disk_image') deploy_utils.switch_pxe_config( pxe_config_path, root_uuid_or_disk_id, boot_mode_utils.get_boot_mode(node), iwdi, deploy_utils.is_trusted_boot_requested(node), deploy_utils.is_iscsi_boot(task), ramdisk_boot, ipxe_enabled=ipxe_enabled)
def build_service_pxe_config(task, instance_image_info, root_uuid_or_disk_id, ramdisk_boot=False, ipxe_enabled=False): node = task.node pxe_config_path = get_pxe_config_file_path(node.uuid) # NOTE(pas-ha) if it is takeover of ACTIVE node or node performing # unrescue operation, first ensure that basic PXE configs and links # are in place before switching pxe config # NOTE(TheJulia): Also consider deploying a valid state to go ahead # and check things before continuing, as otherwise deployments can # fail if the agent was booted outside the direct actions of the # boot interface. if (node.provision_state in [states.ACTIVE, states.UNRESCUING, states.DEPLOYING] and not os.path.isfile(pxe_config_path)): pxe_options = build_pxe_config_options(task, instance_image_info, service=True, ipxe_enabled=ipxe_enabled) pxe_config_template = deploy_utils.get_pxe_config_template(node) create_pxe_config(task, pxe_options, pxe_config_template, ipxe_enabled=ipxe_enabled) iwdi = node.driver_internal_info.get('is_whole_disk_image') deploy_utils.switch_pxe_config( pxe_config_path, root_uuid_or_disk_id, boot_mode_utils.get_boot_mode(node), iwdi, deploy_utils.is_trusted_boot_requested(node), deploy_utils.is_iscsi_boot(task), ramdisk_boot, ipxe_enabled=ipxe_enabled)
def _build_service_pxe_config(task, instance_image_info, root_uuid_or_disk_id): node = task.node pxe_config_path = pxe_utils.get_pxe_config_file_path(node.uuid) # NOTE(pas-ha) if it is takeover of ACTIVE node, # first ensure that basic PXE configs and links # are in place before switching pxe config if (node.provision_state == states.ACTIVE and not os.path.isfile(pxe_config_path)): pxe_options = _build_pxe_config_options(task, instance_image_info, service=True) pxe_config_template = deploy_utils.get_pxe_config_template(node) pxe_utils.create_pxe_config(task, pxe_options, pxe_config_template) iwdi = node.driver_internal_info.get('is_whole_disk_image') deploy_utils.switch_pxe_config( pxe_config_path, root_uuid_or_disk_id, deploy_utils.get_boot_mode_for_deploy(node), iwdi, deploy_utils.is_trusted_boot_requested(node), deploy_utils.is_iscsi_boot(task))
def prepare_instance(self, task): """Prepares the boot of instance. This method prepares the boot of the instance after reading relevant information from the node's instance_info. In case of netboot, it updates the dhcp entries and switches the PXE config. In case of localboot, it cleans up the PXE config. In case of 'boot from volume', it updates the iSCSI info onto iLO and sets the node to boot from 'UefiTarget' boot device. :param task: a task from TaskManager. :returns: None :raises: IloOperationError, if some operation on iLO failed. """ # Set boot mode ilo_common.update_boot_mode(task) # Need to enable secure boot, if being requested ilo_common.update_secure_boot_mode(task, True) boot_mode = boot_mode_utils.get_boot_mode(task.node) if deploy_utils.is_iscsi_boot(task) and boot_mode == 'uefi': # Need to set 'ilo_uefi_iscsi_boot' param for clean up driver_internal_info = task.node.driver_internal_info driver_internal_info['ilo_uefi_iscsi_boot'] = True task.node.driver_internal_info = driver_internal_info task.node.save() # It will set iSCSI info onto iLO task.driver.management.set_iscsi_boot_target(task) manager_utils.node_set_boot_device(task, boot_devices.ISCSIBOOT, persistent=True) else: # Volume boot in BIOS boot mode is handled using # PXE boot interface super(IloiPXEBoot, self).prepare_instance(task)
def prepare_instance(self, task): """Prepares the boot of instance. This method prepares the boot of the instance after reading relevant information from the node's instance_info. In case of netboot, it updates the dhcp entries and switches the PXE config. In case of localboot, it cleans up the PXE config. In case of 'boot from volume', it updates the iSCSI info onto iLO and sets the node to boot from 'UefiTarget' boot device. :param task: a task from TaskManager. :returns: None :raises: IloOperationError, if some operation on iLO failed. """ # Set boot mode ilo_common.update_boot_mode(task) # Need to enable secure boot, if being requested ilo_common.update_secure_boot_mode(task, True) boot_mode = boot_mode_utils.get_boot_mode(task.node) if deploy_utils.is_iscsi_boot(task) and boot_mode == 'uefi': # Need to set 'ilo_uefi_iscsi_boot' param for clean up driver_internal_info = task.node.driver_internal_info driver_internal_info['ilo_uefi_iscsi_boot'] = True task.node.driver_internal_info = driver_internal_info task.node.save() # It will set iSCSI info onto iLO task.driver.management.set_iscsi_boot_target(task) manager_utils.node_set_boot_device(task, boot_devices.ISCSIBOOT, persistent=True) else: # Volume boot in BIOS boot mode is handled using # PXE boot interface super(IloPXEBoot, self).prepare_instance(task)
def prepare_instance(self, task): """Prepares the boot of instance. This method prepares the boot of the instance after reading relevant information from the node's instance_info. It does the following depending on boot_option for deploy: - If the boot mode is 'uefi' and its booting from volume, then it sets the iSCSI target info and node to boot from 'UefiTarget' boot device. - If not 'boot from volume' and the boot_option requested for this deploy is 'local' or image is a whole disk image, then it sets the node to boot from disk. - Otherwise it finds/creates the boot ISO to boot the instance image, attaches the boot ISO to the bare metal and then sets the node to boot from CDROM. :param task: a task from TaskManager. :returns: None :raises: IloOperationError, if some operation on iLO failed. :raises: InstanceDeployFailure, if its try to boot iSCSI volume in 'BIOS' boot mode. """ ilo_common.cleanup_vmedia_boot(task) boot_mode = boot_mode_utils.get_boot_mode_for_deploy(task.node) boot_option = deploy_utils.get_boot_option(task.node) if deploy_utils.is_iscsi_boot(task): # It will set iSCSI info onto iLO if boot_mode == 'uefi': # Need to set 'ilo_uefi_iscsi_boot' param for clean up driver_internal_info = task.node.driver_internal_info driver_internal_info['ilo_uefi_iscsi_boot'] = True task.node.driver_internal_info = driver_internal_info task.node.save() task.driver.management.set_iscsi_boot_target(task) manager_utils.node_set_boot_device( task, boot_devices.ISCSIBOOT, persistent=True) else: msg = 'Virtual media can not boot volume in BIOS boot mode.' raise exception.InstanceDeployFailure(msg) elif boot_option == "ramdisk": boot_iso = _get_boot_iso(task, None) ilo_common.setup_vmedia_for_boot(task, boot_iso) manager_utils.node_set_boot_device(task, boot_devices.CDROM, persistent=True) else: # Boot from disk every time if the image deployed is # a whole disk image. node = task.node iwdi = node.driver_internal_info.get('is_whole_disk_image') if deploy_utils.get_boot_option(node) == "local" or iwdi: manager_utils.node_set_boot_device(task, boot_devices.DISK, persistent=True) else: drv_int_info = node.driver_internal_info root_uuid_or_disk_id = drv_int_info.get('root_uuid_or_disk_id') if root_uuid_or_disk_id: self._configure_vmedia_boot(task, root_uuid_or_disk_id) else: LOG.warning("The UUID for the root partition could not " "be found for node %s", node.uuid) # Set boot mode ilo_common.update_boot_mode(task) # Need to enable secure boot, if being requested ilo_common.update_secure_boot_mode(task, True)
def prepare_instance(self, task): """Prepares the boot of instance. This method prepares the boot of the instance after reading relevant information from the node's instance_info. It does the following depending on boot_option for deploy: - If the boot mode is 'uefi' and its booting from volume, then it sets the iSCSI target info and node to boot from 'UefiTarget' boot device. - If not 'boot from volume' and the boot_option requested for this deploy is 'local' or image is a whole disk image, then it sets the node to boot from disk. - Otherwise it finds/creates the boot ISO to boot the instance image, attaches the boot ISO to the bare metal and then sets the node to boot from CDROM. :param task: a task from TaskManager. :returns: None :raises: IloOperationError, if some operation on iLO failed. :raises: InstanceDeployFailure, if its try to boot iSCSI volume in 'BIOS' boot mode. """ ilo_common.cleanup_vmedia_boot(task) boot_mode = boot_mode_utils.get_boot_mode(task.node) boot_option = deploy_utils.get_boot_option(task.node) if deploy_utils.is_iscsi_boot(task): # It will set iSCSI info onto iLO if boot_mode == 'uefi': # Need to set 'ilo_uefi_iscsi_boot' param for clean up driver_internal_info = task.node.driver_internal_info driver_internal_info['ilo_uefi_iscsi_boot'] = True task.node.driver_internal_info = driver_internal_info task.node.save() task.driver.management.set_iscsi_boot_target(task) manager_utils.node_set_boot_device( task, boot_devices.ISCSIBOOT, persistent=True) else: msg = 'Virtual media can not boot volume in BIOS boot mode.' raise exception.InstanceDeployFailure(msg) elif boot_option == "ramdisk": boot_iso = _get_boot_iso(task, None) ilo_common.setup_vmedia_for_boot(task, boot_iso) manager_utils.node_set_boot_device(task, boot_devices.CDROM, persistent=True) else: # Boot from disk every time if the image deployed is # a whole disk image. node = task.node iwdi = node.driver_internal_info.get('is_whole_disk_image') if deploy_utils.get_boot_option(node) == "local" or iwdi: manager_utils.node_set_boot_device(task, boot_devices.DISK, persistent=True) else: drv_int_info = node.driver_internal_info root_uuid_or_disk_id = drv_int_info.get('root_uuid_or_disk_id') if root_uuid_or_disk_id: self._configure_vmedia_boot(task, root_uuid_or_disk_id) else: LOG.warning("The UUID for the root partition could not " "be found for node %s", node.uuid) # Set boot mode ilo_common.update_boot_mode(task) # Need to enable secure boot, if being requested ilo_common.update_secure_boot_mode(task, True)
def prepare_instance(self, task): """Prepares the boot of instance. This method prepares the boot of the instance after reading relevant information from the node's instance_info. In case of netboot, it updates the dhcp entries and switches the PXE config. In case of localboot, it cleans up the PXE config. :param task: a task from TaskManager. :returns: None """ boot_mode_utils.sync_boot_mode(task) node = task.node boot_option = deploy_utils.get_boot_option(node) boot_device = None instance_image_info = {} if boot_option == "ramdisk": instance_image_info = pxe_utils.get_instance_image_info( task, ipxe_enabled=self.ipxe_enabled) pxe_utils.cache_ramdisk_kernel(task, instance_image_info, ipxe_enabled=self.ipxe_enabled) if deploy_utils.is_iscsi_boot(task) or boot_option == "ramdisk": pxe_utils.prepare_instance_pxe_config( task, instance_image_info, iscsi_boot=deploy_utils.is_iscsi_boot(task), ramdisk_boot=(boot_option == "ramdisk"), ipxe_enabled=self.ipxe_enabled) boot_device = boot_devices.PXE elif boot_option != "local": if task.driver.storage.should_write_image(task): # Make sure that the instance kernel/ramdisk is cached. # This is for the takeover scenario for active nodes. instance_image_info = pxe_utils.get_instance_image_info( task, ipxe_enabled=self.ipxe_enabled) pxe_utils.cache_ramdisk_kernel(task, instance_image_info, ipxe_enabled=self.ipxe_enabled) # If it's going to PXE boot we need to update the DHCP server dhcp_opts = pxe_utils.dhcp_options_for_instance( task, ipxe_enabled=self.ipxe_enabled, ip_version=4) dhcp_opts += pxe_utils.dhcp_options_for_instance( task, ipxe_enabled=self.ipxe_enabled, ip_version=6) provider = dhcp_factory.DHCPFactory() provider.update_dhcp(task, dhcp_opts) iwdi = task.node.driver_internal_info.get('is_whole_disk_image') try: root_uuid_or_disk_id = task.node.driver_internal_info[ 'root_uuid_or_disk_id'] except KeyError: if not task.driver.storage.should_write_image(task): pass elif not iwdi: LOG.warning( "The UUID for the root partition can't be " "found, unable to switch the pxe config from " "deployment mode to service (boot) mode for " "node %(node)s", {"node": task.node.uuid}) else: LOG.warning( "The disk id for the whole disk image can't " "be found, unable to switch the pxe config " "from deployment mode to service (boot) mode " "for node %(node)s. Booting the instance " "from disk.", {"node": task.node.uuid}) pxe_utils.clean_up_pxe_config( task, ipxe_enabled=self.ipxe_enabled) boot_device = boot_devices.DISK else: pxe_utils.build_service_pxe_config( task, instance_image_info, root_uuid_or_disk_id, ipxe_enabled=self.ipxe_enabled) boot_device = boot_devices.PXE else: # NOTE(dtantsur): create a PXE configuration as a safety net for # hardware uncapable of persistent boot. If on a reboot it will try # to boot from PXE, this configuration will return it back. if CONF.pxe.enable_netboot_fallback: pxe_utils.build_service_pxe_config( task, instance_image_info, task.node.driver_internal_info.get('root_uuid_or_disk_id'), ipxe_enabled=self.ipxe_enabled, # PXE config for whole disk images is identical to what # we need to boot from local disk, so use True even # for partition images. is_whole_disk_image=True) else: # Clean up the deployment configuration pxe_utils.clean_up_pxe_config(task, ipxe_enabled=self.ipxe_enabled) boot_device = boot_devices.DISK # NOTE(pas-ha) do not re-set boot device on ACTIVE nodes # during takeover if boot_device and task.node.provision_state != states.ACTIVE: persistent = True if node.driver_info.get('force_persistent_boot_device', 'Default') == 'Never': persistent = False manager_utils.node_set_boot_device(task, boot_device, persistent=persistent)
def prepare_instance(self, task): """Prepares the boot of instance. This method prepares the boot of the instance after reading relevant information from the node's instance_info. In case of netboot, it updates the dhcp entries and switches the PXE config. In case of localboot, it cleans up the PXE config. :param task: a task from TaskManager. :returns: None """ node = task.node boot_option = deploy_utils.get_boot_option(node) boot_device = None if deploy_utils.is_iscsi_boot(task): dhcp_opts = pxe_utils.dhcp_options_for_instance(task) provider = dhcp_factory.DHCPFactory() provider.update_dhcp(task, dhcp_opts) # configure iPXE for iscsi boot pxe_config_path = pxe_utils.get_pxe_config_file_path( task.node.uuid) if not os.path.isfile(pxe_config_path): pxe_options = _build_pxe_config_options(task, {}) pxe_config_template = ( deploy_utils.get_pxe_config_template(node)) pxe_utils.create_pxe_config( task, pxe_options, pxe_config_template) deploy_utils.switch_pxe_config( pxe_config_path, None, deploy_utils.get_boot_mode_for_deploy(node), False, iscsi_boot=True) boot_device = boot_devices.PXE elif boot_option != "local": if task.driver.storage.should_write_image(task): # Make sure that the instance kernel/ramdisk is cached. # This is for the takeover scenario for active nodes. instance_image_info = _get_instance_image_info( task.node, task.context) _cache_ramdisk_kernel(task.context, task.node, instance_image_info) # If it's going to PXE boot we need to update the DHCP server dhcp_opts = pxe_utils.dhcp_options_for_instance(task) provider = dhcp_factory.DHCPFactory() provider.update_dhcp(task, dhcp_opts) iwdi = task.node.driver_internal_info.get('is_whole_disk_image') try: root_uuid_or_disk_id = task.node.driver_internal_info[ 'root_uuid_or_disk_id' ] except KeyError: if not task.driver.storage.should_write_image(task): pass elif not iwdi: LOG.warning("The UUID for the root partition can't be " "found, unable to switch the pxe config from " "deployment mode to service (boot) mode for " "node %(node)s", {"node": task.node.uuid}) else: LOG.warning("The disk id for the whole disk image can't " "be found, unable to switch the pxe config " "from deployment mode to service (boot) mode " "for node %(node)s", {"node": task.node.uuid}) else: _build_service_pxe_config(task, instance_image_info, root_uuid_or_disk_id) boot_device = boot_devices.PXE else: # If it's going to boot from the local disk, we don't need # PXE config files. They still need to be generated as part # of the prepare() because the deployment does PXE boot the # deploy ramdisk pxe_utils.clean_up_pxe_config(task) boot_device = boot_devices.DISK # NOTE(pas-ha) do not re-set boot device on ACTIVE nodes # during takeover if boot_device and task.node.provision_state != states.ACTIVE: manager_utils.node_set_boot_device(task, boot_device, persistent=True)
def prepare_instance(self, task): """Prepares the boot of instance. This method prepares the boot of the instance after reading relevant information from the node's instance_info. In case of netboot, it updates the dhcp entries and switches the PXE config. In case of localboot, it cleans up the PXE config. :param task: a task from TaskManager. :returns: None """ node = task.node boot_option = deploy_utils.get_boot_option(node) boot_device = None if deploy_utils.is_iscsi_boot(task): dhcp_opts = pxe_utils.dhcp_options_for_instance(task) provider = dhcp_factory.DHCPFactory() provider.update_dhcp(task, dhcp_opts) # configure iPXE for iscsi boot pxe_config_path = pxe_utils.get_pxe_config_file_path( task.node.uuid) if not os.path.isfile(pxe_config_path): pxe_options = _build_pxe_config_options(task, {}) pxe_config_template = ( deploy_utils.get_pxe_config_template(node)) pxe_utils.create_pxe_config( task, pxe_options, pxe_config_template) deploy_utils.switch_pxe_config( pxe_config_path, None, deploy_utils.get_boot_mode_for_deploy(node), False, iscsi_boot=True) boot_device = boot_devices.PXE elif boot_option != "local": if task.driver.storage.should_write_image(task): # Make sure that the instance kernel/ramdisk is cached. # This is for the takeover scenario for active nodes. instance_image_info = _get_instance_image_info( task.node, task.context) _cache_ramdisk_kernel(task.context, task.node, instance_image_info) # If it's going to PXE boot we need to update the DHCP server dhcp_opts = pxe_utils.dhcp_options_for_instance(task) provider = dhcp_factory.DHCPFactory() provider.update_dhcp(task, dhcp_opts) iwdi = task.node.driver_internal_info.get('is_whole_disk_image') try: root_uuid_or_disk_id = task.node.driver_internal_info[ 'root_uuid_or_disk_id' ] except KeyError: if not task.driver.storage.should_write_image(task): pass elif not iwdi: LOG.warning("The UUID for the root partition can't be " "found, unable to switch the pxe config from " "deployment mode to service (boot) mode for " "node %(node)s", {"node": task.node.uuid}) else: LOG.warning("The disk id for the whole disk image can't " "be found, unable to switch the pxe config " "from deployment mode to service (boot) mode " "for node %(node)s. Booting the instance " "from disk.", {"node": task.node.uuid}) pxe_utils.clean_up_pxe_config(task) boot_device = boot_devices.DISK else: _build_service_pxe_config(task, instance_image_info, root_uuid_or_disk_id) boot_device = boot_devices.PXE else: # If it's going to boot from the local disk, we don't need # PXE config files. They still need to be generated as part # of the prepare() because the deployment does PXE boot the # deploy ramdisk pxe_utils.clean_up_pxe_config(task) boot_device = boot_devices.DISK # NOTE(pas-ha) do not re-set boot device on ACTIVE nodes # during takeover if boot_device and task.node.provision_state != states.ACTIVE: manager_utils.node_set_boot_device(task, boot_device, persistent=True)
def prepare_instance(self, task): """Prepares the boot of instance. This method prepares the boot of the instance after reading relevant information from the node's instance_info. In case of netboot, it updates the dhcp entries and switches the PXE config. In case of localboot, it cleans up the PXE config. :param task: a task from TaskManager. :returns: None """ ipxe_enabled = CONF.pxe.ipxe_enabled boot_mode_utils.sync_boot_mode(task) node = task.node boot_option = deploy_utils.get_boot_option(node) boot_device = None instance_image_info = {} if boot_option == "ramdisk": instance_image_info = pxe_utils.get_instance_image_info(task) pxe_utils.cache_ramdisk_kernel(task, instance_image_info, ipxe_enabled=CONF.pxe.ipxe_enabled) if deploy_utils.is_iscsi_boot(task) or boot_option == "ramdisk": pxe_utils.prepare_instance_pxe_config( task, instance_image_info, iscsi_boot=deploy_utils.is_iscsi_boot(task), ramdisk_boot=(boot_option == "ramdisk"), ipxe_enabled=CONF.pxe.ipxe_enabled) boot_device = boot_devices.PXE elif boot_option != "local": if task.driver.storage.should_write_image(task): # Make sure that the instance kernel/ramdisk is cached. # This is for the takeover scenario for active nodes. instance_image_info = pxe_utils.get_instance_image_info(task) pxe_utils.cache_ramdisk_kernel( task, instance_image_info, ipxe_enabled=CONF.pxe.ipxe_enabled) # If it's going to PXE boot we need to update the DHCP server dhcp_opts = pxe_utils.dhcp_options_for_instance( task, ipxe_enabled) provider = dhcp_factory.DHCPFactory() provider.update_dhcp(task, dhcp_opts) iwdi = task.node.driver_internal_info.get('is_whole_disk_image') try: root_uuid_or_disk_id = task.node.driver_internal_info[ 'root_uuid_or_disk_id' ] except KeyError: if not task.driver.storage.should_write_image(task): pass elif not iwdi: LOG.warning("The UUID for the root partition can't be " "found, unable to switch the pxe config from " "deployment mode to service (boot) mode for " "node %(node)s", {"node": task.node.uuid}) else: LOG.warning("The disk id for the whole disk image can't " "be found, unable to switch the pxe config " "from deployment mode to service (boot) mode " "for node %(node)s. Booting the instance " "from disk.", {"node": task.node.uuid}) pxe_utils.clean_up_pxe_config( task, ipxe_enabled=CONF.pxe.ipxe_enabled) boot_device = boot_devices.DISK else: pxe_utils.build_service_pxe_config(task, instance_image_info, root_uuid_or_disk_id, ipxe_enabled=ipxe_enabled) boot_device = boot_devices.PXE else: # If it's going to boot from the local disk, we don't need # PXE config files. They still need to be generated as part # of the prepare() because the deployment does PXE boot the # deploy ramdisk pxe_utils.clean_up_pxe_config( task, ipxe_enabled=CONF.pxe.ipxe_enabled) boot_device = boot_devices.DISK # NOTE(pas-ha) do not re-set boot device on ACTIVE nodes # during takeover if boot_device and task.node.provision_state != states.ACTIVE: persistent = True if node.driver_info.get('force_persistent_boot_device', 'Default') == 'Never': persistent = False manager_utils.node_set_boot_device(task, boot_device, persistent=persistent)