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_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_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)
