def prepare_instance(self, task):
"""Prepares the boot of instance over virtual media.
This method prepares the boot of the instance after reading
relevant information from the node's instance_info.
The internal logic is as follows:
- If `boot_option` requested for this deploy is 'local', then set the
node to boot from disk.
- Unless `boot_option` requested for this deploy is 'ramdisk', pass
root disk/partition ID to virtual media boot image
- Otherwise build boot image, insert it into virtual media device
and set node to boot from CD.
:param task: a task from TaskManager.
:returns: None
:raises: InstanceDeployFailure, if its try to boot iSCSI volume in
'BIOS' boot mode.
"""
node = task.node
boot_option = deploy_utils.get_boot_option(node)
self.clean_up_instance(task)
iwdi = node.driver_internal_info.get('is_whole_disk_image')
if boot_option == "local" or iwdi:
self._set_boot_device(task, boot_devices.DISK, persistent=True)
LOG.debug("Node %(node)s is set to permanently boot from local "
"%(device)s", {'node': task.node.uuid,
'device': boot_devices.DISK})
return
params = {}
if boot_option != 'ramdisk':
root_uuid = node.driver_internal_info.get('root_uuid_or_disk_id')
if not root_uuid and task.driver.storage.should_write_image(task):
LOG.warning(
"The UUID of the root partition could not be found for "
"node %s. Booting instance from disk anyway.", node.uuid)
self._set_boot_device(task, boot_devices.DISK, persistent=True)
return
params.update(root_uuid=root_uuid)
iso_ref = _prepare_boot_iso(task, **params)
_eject_vmedia(task, sushy.VIRTUAL_MEDIA_CD)
_insert_vmedia(task, iso_ref, sushy.VIRTUAL_MEDIA_CD)
boot_mode_utils.sync_boot_mode(task)
self._set_boot_device(task, boot_devices.CDROM, persistent=True)
LOG.debug("Node %(node)s is set to permanently boot from "
"%(device)s", {'node': task.node.uuid,
'device': boot_devices.CDROM})
def set_boot_device(self, task, device, persistent=False):
"""Set the boot device for a node.
Set the boot device to use on next reboot of the node.
:param task: a task from TaskManager.
:param device: the boot device, one of
:mod:`ironic.common.boot_devices`.
:param persistent: Boolean value. True if the boot device will
persist to all future boots, False if not.
Default: False.
:raises: InvalidParameterValue on malformed parameter(s)
:raises: MissingParameterValue on missing parameter(s)
:raises: RedfishConnectionError when it fails to connect to Redfish
:raises: RedfishError on an error from the Sushy library
"""
utils.pop_node_nested_field(task.node, 'driver_internal_info',
'redfish_boot_device')
task.node.save()
system = redfish_utils.get_system(task.node)
try:
_set_boot_device(task,
system,
BOOT_DEVICE_MAP_REV[device],
persistent=persistent)
except sushy.exceptions.SushyError as e:
error_msg = (_('Redfish set boot device failed for node '
'%(node)s. Error: %(error)s') % {
'node': task.node.uuid,
'error': e
})
LOG.error(error_msg)
raise exception.RedfishError(error=error_msg)
# Ensure that boot mode is synced with what is set.
# Some BMCs reset it to default (BIOS) when changing the boot device.
boot_mode_utils.sync_boot_mode(task)
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
})
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)
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.
: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_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)
boot_mode_utils.configure_secure_boot_if_needed(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:
manager_utils.node_set_boot_device(task, boot_device,
persistent=True)
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
})
def prepare_instance(self, task):
"""Prepares the boot of instance over virtual media.
This method prepares the boot of the instance after reading
relevant information from the node's instance_info.
The internal logic is as follows:
- If `boot_option` requested for this deploy is 'local', then set the
node to boot from disk.
- Unless `boot_option` requested for this deploy is 'ramdisk', pass
root disk/partition ID to virtual media boot image
- Otherwise build boot image, insert it into virtual media device
and set node to boot from CD.
:param task: a task from TaskManager.
:returns: None
:raises: InstanceDeployFailure, if its try to boot iSCSI volume in
'BIOS' boot mode.
"""
node = task.node
self._eject_all(task)
boot_mode_utils.sync_boot_mode(task)
boot_mode_utils.configure_secure_boot_if_needed(task)
boot_option = deploy_utils.get_boot_option(node)
iwdi = node.driver_internal_info.get('is_whole_disk_image')
if boot_option == "local" or iwdi:
self._set_boot_device(task, boot_devices.DISK, persistent=True)
LOG.debug(
"Node %(node)s is set to permanently boot from local "
"%(device)s", {
'node': task.node.uuid,
'device': boot_devices.DISK
})
return
params = {}
if boot_option != 'ramdisk':
root_uuid = node.driver_internal_info.get('root_uuid_or_disk_id')
if not root_uuid and task.driver.storage.should_write_image(task):
LOG.warning(
"The UUID of the root partition could not be found for "
"node %s. Booting instance from disk anyway.", node.uuid)
self._set_boot_device(task, boot_devices.DISK, persistent=True)
return
params.update(root_uuid=root_uuid)
managers = redfish_utils.get_system(task.node).managers
deploy_info = _parse_deploy_info(node)
configdrive = node.instance_info.get('configdrive')
iso_ref = image_utils.prepare_boot_iso(task, deploy_info, **params)
_eject_vmedia(task, managers, sushy.VIRTUAL_MEDIA_CD)
_insert_vmedia(task, managers, iso_ref, sushy.VIRTUAL_MEDIA_CD)
if configdrive and boot_option == 'ramdisk':
_eject_vmedia(task, managers, sushy.VIRTUAL_MEDIA_USBSTICK)
cd_ref = image_utils.prepare_configdrive_image(task, configdrive)
try:
_insert_vmedia(task, managers, cd_ref,
sushy.VIRTUAL_MEDIA_USBSTICK)
except exception.InvalidParameterValue:
raise exception.InstanceDeployFailure(
_('Cannot attach configdrive for node %s: no suitable '
'virtual USB slot has been found') % node.uuid)
del managers
self._set_boot_device(task, boot_devices.CDROM, persistent=True)
LOG.debug(
"Node %(node)s is set to permanently boot from "
"%(device)s", {
'node': task.node.uuid,
'device': boot_devices.CDROM
})
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=True)
pxe_utils.cache_ramdisk_kernel(task, instance_image_info,
ipxe_enabled=True)
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=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 = pxe_utils.get_instance_image_info(
task, ipxe_enabled=True)
pxe_utils.cache_ramdisk_kernel(task, instance_image_info,
ipxe_enabled=True)
# 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=True)
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=True)
boot_device = boot_devices.DISK
else:
pxe_utils.build_service_pxe_config(task, instance_image_info,
root_uuid_or_disk_id,
ipxe_enabled=True)
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=True)
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_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)
