488 lines
19 KiB
Python
488 lines
19 KiB
Python
# Copyright 2017 Red Hat, Inc.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import collections
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from oslo_log import log
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from oslo_utils import importutils
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from ironic.common import boot_devices
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from ironic.common import boot_modes
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from ironic.common import exception
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from ironic.common.i18n import _
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from ironic.common import utils
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from ironic.conductor import task_manager
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from ironic.drivers import base
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from ironic.drivers.modules.redfish import utils as redfish_utils
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LOG = log.getLogger(__name__)
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sushy = importutils.try_import('sushy')
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if sushy:
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BOOT_DEVICE_MAP = {
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sushy.BOOT_SOURCE_TARGET_PXE: boot_devices.PXE,
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sushy.BOOT_SOURCE_TARGET_HDD: boot_devices.DISK,
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sushy.BOOT_SOURCE_TARGET_CD: boot_devices.CDROM,
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sushy.BOOT_SOURCE_TARGET_BIOS_SETUP: boot_devices.BIOS
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}
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BOOT_DEVICE_MAP_REV = {v: k for k, v in BOOT_DEVICE_MAP.items()}
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BOOT_MODE_MAP = {
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sushy.BOOT_SOURCE_MODE_UEFI: boot_modes.UEFI,
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sushy.BOOT_SOURCE_MODE_BIOS: boot_modes.LEGACY_BIOS
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}
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BOOT_MODE_MAP_REV = {v: k for k, v in BOOT_MODE_MAP.items()}
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BOOT_DEVICE_PERSISTENT_MAP = {
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sushy.BOOT_SOURCE_ENABLED_CONTINUOUS: True,
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sushy.BOOT_SOURCE_ENABLED_ONCE: False
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}
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BOOT_DEVICE_PERSISTENT_MAP_REV = {v: k for k, v in
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BOOT_DEVICE_PERSISTENT_MAP.items()}
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def _set_boot_device(task, system, device, persistent=False):
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"""An internal routine to set the boot device.
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:param task: a task from TaskManager.
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:param system: a Redfish System object.
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:param device: the Redfish boot device.
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:param persistent: Boolean value. True if the boot device will
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persist to all future boots, False if not.
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Default: False.
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:raises: SushyError on an error from the Sushy library
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"""
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desired_enabled = BOOT_DEVICE_PERSISTENT_MAP_REV[persistent]
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current_enabled = system.boot.get('enabled')
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# NOTE(etingof): this can be racy, esp if BMC is not RESTful
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enabled = (desired_enabled
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if desired_enabled != current_enabled else None)
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use_new_set_system_boot = True
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try:
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try:
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system.set_system_boot_options(device, enabled=enabled)
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except AttributeError:
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enabled = desired_enabled
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use_new_set_system_boot = False
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system.set_system_boot_source(device, enabled=enabled)
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except sushy.exceptions.SushyError as e:
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if enabled == sushy.BOOT_SOURCE_ENABLED_CONTINUOUS:
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# NOTE(dtantsur): continuous boot device settings have been
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# removed from Redfish, and some vendors stopped supporting
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# it before an alternative was provided. As a work around,
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# use one-time boot and restore the boot device on every
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# reboot via RedfishPower.
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LOG.debug('Error %(error)s when trying to set a '
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'persistent boot device on node %(node)s, '
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'falling back to one-time boot settings',
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{'error': e, 'node': task.node.uuid})
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if use_new_set_system_boot:
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system.set_system_boot_options(
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device, enabled=sushy.BOOT_SOURCE_ENABLED_ONCE)
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else:
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system.set_system_boot_source(
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device, enabled=sushy.BOOT_SOURCE_ENABLED_ONCE)
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LOG.warning('Could not set persistent boot device to '
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'%(dev)s for node %(node)s, using one-time '
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'boot device instead',
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{'dev': device, 'node': task.node.uuid})
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utils.set_node_nested_field(
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task.node, 'driver_internal_info',
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'redfish_boot_device', device)
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task.node.save()
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else:
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raise
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class RedfishManagement(base.ManagementInterface):
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def __init__(self):
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"""Initialize the Redfish management interface.
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:raises: DriverLoadError if the driver can't be loaded due to
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missing dependencies
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"""
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super(RedfishManagement, self).__init__()
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if not sushy:
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raise exception.DriverLoadError(
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driver='redfish',
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reason=_('Unable to import the sushy library'))
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def get_properties(self):
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"""Return the properties of the interface.
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:returns: dictionary of <property name>:<property description> entries.
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"""
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return redfish_utils.COMMON_PROPERTIES.copy()
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def validate(self, task):
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"""Validates the driver information needed by the redfish driver.
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:param task: a TaskManager instance containing the node to act on.
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:raises: InvalidParameterValue on malformed parameter(s)
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:raises: MissingParameterValue on missing parameter(s)
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"""
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redfish_utils.parse_driver_info(task.node)
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def get_supported_boot_devices(self, task):
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"""Get a list of the supported boot devices.
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:param task: a task from TaskManager.
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:returns: A list with the supported boot devices defined
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in :mod:`ironic.common.boot_devices`.
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"""
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return list(BOOT_DEVICE_MAP_REV)
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@task_manager.require_exclusive_lock
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def restore_boot_device(self, task, system):
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"""Restore boot device if needed.
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Checks the redfish_boot_device internal flag and sets the one-time
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boot device accordingly. A warning is issued if it fails.
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This method is supposed to be called from the Redfish power interface
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and should be considered private to the Redfish hardware type.
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:param task: a task from TaskManager.
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:param system: a Redfish System object.
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"""
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device = task.node.driver_internal_info.get('redfish_boot_device')
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if not device:
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return
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LOG.debug('Restoring boot device %(dev)s on node %(node)s',
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{'dev': device, 'node': task.node.uuid})
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try:
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_set_boot_device(task, system, device)
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except sushy.exceptions.SushyError as e:
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LOG.warning('Unable to recover boot device %(dev)s for node '
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'%(node)s, relying on the pre-configured boot order. '
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'Error: %(error)s',
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{'dev': device, 'node': task.node.uuid, 'error': e})
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@task_manager.require_exclusive_lock
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def set_boot_device(self, task, device, persistent=False):
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"""Set the boot device for a node.
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Set the boot device to use on next reboot of the node.
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:param task: a task from TaskManager.
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:param device: the boot device, one of
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:mod:`ironic.common.boot_devices`.
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:param persistent: Boolean value. True if the boot device will
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persist to all future boots, False if not.
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Default: False.
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:raises: InvalidParameterValue on malformed parameter(s)
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:raises: MissingParameterValue on missing parameter(s)
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:raises: RedfishConnectionError when it fails to connect to Redfish
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:raises: RedfishError on an error from the Sushy library
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"""
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utils.pop_node_nested_field(
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task.node, 'driver_internal_info', 'redfish_boot_device')
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task.node.save()
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system = redfish_utils.get_system(task.node)
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try:
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_set_boot_device(
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task, system, BOOT_DEVICE_MAP_REV[device],
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persistent=persistent)
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except sushy.exceptions.SushyError as e:
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error_msg = (_('Redfish set boot device failed for node '
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'%(node)s. Error: %(error)s') %
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{'node': task.node.uuid, 'error': e})
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LOG.error(error_msg)
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raise exception.RedfishError(error=error_msg)
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def get_boot_device(self, task):
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"""Get the current boot device for a node.
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:param task: a task from TaskManager.
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:raises: InvalidParameterValue on malformed parameter(s)
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:raises: MissingParameterValue on missing parameter(s)
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:raises: RedfishConnectionError when it fails to connect to Redfish
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:raises: RedfishError on an error from the Sushy library
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:returns: a dictionary containing:
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:boot_device:
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the boot device, one of :mod:`ironic.common.boot_devices` or
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None if it is unknown.
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:persistent:
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Boolean value or None, True if the boot device persists,
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False otherwise. None if it's unknown.
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"""
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system = redfish_utils.get_system(task.node)
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return {'boot_device': BOOT_DEVICE_MAP.get(system.boot.get('target')),
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'persistent': BOOT_DEVICE_PERSISTENT_MAP.get(
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system.boot.get('enabled'))}
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def get_supported_boot_modes(self, task):
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"""Get a list of the supported boot modes.
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:param task: A task from TaskManager.
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:returns: A list with the supported boot modes defined
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in :mod:`ironic.common.boot_modes`. If boot
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mode support can't be determined, empty list
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is returned.
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"""
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return list(BOOT_MODE_MAP_REV)
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@task_manager.require_exclusive_lock
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def set_boot_mode(self, task, mode):
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"""Set the boot mode for a node.
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Set the boot mode to use on next reboot of the node.
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:param task: A task from TaskManager.
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:param mode: The boot mode, one of
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:mod:`ironic.common.boot_modes`.
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:raises: InvalidParameterValue if an invalid boot mode is
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specified.
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:raises: MissingParameterValue if a required parameter is missing
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:raises: RedfishConnectionError when it fails to connect to Redfish
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:raises: RedfishError on an error from the Sushy library
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"""
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system = redfish_utils.get_system(task.node)
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try:
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try:
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system.set_system_boot_options(mode=BOOT_MODE_MAP_REV[mode])
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except AttributeError:
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boot_device = system.boot.get('target')
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if not boot_device:
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error_msg = (_('Cannot change boot mode on node %(node)s '
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'because its boot device is not set.') %
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{'node': task.node.uuid})
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LOG.error(error_msg)
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raise exception.RedfishError(error_msg)
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boot_override = system.boot.get('enabled')
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if not boot_override:
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error_msg = (_('Cannot change boot mode on node %(node)s '
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'because its boot source override is '
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'not set.') %
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{'node': task.node.uuid})
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LOG.error(error_msg)
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raise exception.RedfishError(error_msg)
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system.set_system_boot_source(
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boot_device,
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enabled=boot_override,
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mode=BOOT_MODE_MAP_REV[mode])
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except sushy.exceptions.SushyError as e:
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error_msg = (_('Setting boot mode to %(mode)s '
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'failed for node %(node)s. '
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'Error: %(error)s') %
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{'node': task.node.uuid, 'mode': mode,
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'error': e})
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LOG.error(error_msg)
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raise exception.RedfishError(error=error_msg)
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def get_boot_mode(self, task):
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"""Get the current boot mode for a node.
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Provides the current boot mode of the node.
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:param task: A task from TaskManager.
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:raises: MissingParameterValue if a required parameter is missing
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:raises: DriverOperationError or its derivative in case
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of driver runtime error.
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:returns: The boot mode, one of :mod:`ironic.common.boot_mode` or
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None if it is unknown.
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"""
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system = redfish_utils.get_system(task.node)
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return BOOT_MODE_MAP.get(system.boot.get('mode'))
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@staticmethod
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def _sensor2dict(resource, *fields):
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return {field: getattr(resource, field)
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for field in fields
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if hasattr(resource, field)}
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@classmethod
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def _get_sensors_fan(cls, chassis):
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"""Get fan sensors reading.
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:param chassis: Redfish `chassis` object
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:returns: returns a dict of sensor data.
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"""
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sensors = {}
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for fan in chassis.thermal.fans:
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sensor = cls._sensor2dict(
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fan, 'identity', 'max_reading_range',
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'min_reading_range', 'reading', 'reading_units',
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'serial_number', 'physical_context')
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sensor.update(cls._sensor2dict(fan.status, 'state', 'health'))
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unique_name = '%s@%s' % (fan.identity, chassis.identity)
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sensors[unique_name] = sensor
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return sensors
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@classmethod
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def _get_sensors_temperatures(cls, chassis):
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"""Get temperature sensors reading.
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:param chassis: Redfish `chassis` object
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:returns: returns a dict of sensor data.
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"""
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sensors = {}
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for temps in chassis.thermal.temperatures:
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sensor = cls._sensor2dict(
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temps, 'identity', 'max_reading_range_temp',
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'min_reading_range_temp', 'reading_celsius',
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'physical_context', 'sensor_number')
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sensor.update(cls._sensor2dict(temps.status, 'state', 'health'))
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unique_name = '%s@%s' % (temps.identity, chassis.identity)
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sensors[unique_name] = sensor
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return sensors
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@classmethod
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def _get_sensors_power(cls, chassis):
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"""Get power supply sensors reading.
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:param chassis: Redfish `chassis` object
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:returns: returns a dict of sensor data.
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"""
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sensors = {}
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for power in chassis.power.power_supplies:
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sensor = cls._sensor2dict(
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power, 'power_capacity_watts',
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'line_input_voltage', 'last_power_output_watts',
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'serial_number')
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sensor.update(cls._sensor2dict(power.status, 'state', 'health'))
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sensor.update(cls._sensor2dict(
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power.input_ranges, 'minimum_voltage',
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'maximum_voltage', 'minimum_frequency_hz',
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'maximum_frequency_hz', 'output_wattage'))
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unique_name = '%s:%s@%s' % (
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power.identity, chassis.power.identity,
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chassis.identity)
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sensors[unique_name] = sensor
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return sensors
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@classmethod
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def _get_sensors_drive(cls, system):
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"""Get storage drive sensors reading.
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:param chassis: Redfish `system` object
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:returns: returns a dict of sensor data.
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"""
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sensors = {}
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for storage in system.simple_storage.get_members():
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for drive in storage.devices:
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sensor = cls._sensor2dict(
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drive, 'name', 'model', 'capacity_bytes')
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sensor.update(
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cls._sensor2dict(drive.status, 'state', 'health'))
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unique_name = '%s:%s@%s' % (
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drive.name, storage.identity, system.identity)
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sensors[unique_name] = sensor
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return sensors
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def get_sensors_data(self, task):
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"""Get sensors data.
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:param task: a TaskManager instance.
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:raises: FailedToGetSensorData when getting the sensor data fails.
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:raises: FailedToParseSensorData when parsing sensor data fails.
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:raises: InvalidParameterValue if required parameters
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are missing.
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:raises: MissingParameterValue if a required parameter is missing.
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:returns: returns a dict of sensor data grouped by sensor type.
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"""
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node = task.node
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sensors = collections.defaultdict(dict)
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system = redfish_utils.get_system(node)
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for chassis in system.chassis:
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try:
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sensors['Fan'].update(self._get_sensors_fan(chassis))
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except sushy.exceptions.SushyError as exc:
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LOG.debug("Failed reading fan information for node "
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"%(node)s: %(error)s", {'node': node.uuid,
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'error': exc})
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try:
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sensors['Temperature'].update(
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self._get_sensors_temperatures(chassis))
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except sushy.exceptions.SushyError as exc:
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LOG.debug("Failed reading temperature information for node "
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"%(node)s: %(error)s", {'node': node.uuid,
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'error': exc})
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try:
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sensors['Power'].update(self._get_sensors_power(chassis))
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except sushy.exceptions.SushyError as exc:
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LOG.debug("Failed reading power information for node "
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"%(node)s: %(error)s", {'node': node.uuid,
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'error': exc})
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try:
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sensors['Drive'].update(self._get_sensors_drive(system))
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except sushy.exceptions.SushyError as exc:
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LOG.debug("Failed reading drive information for node "
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"%(node)s: %(error)s", {'node': node.uuid,
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'error': exc})
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LOG.debug("Gathered sensor data: %(sensors)s", {'sensors': sensors})
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return sensors
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@task_manager.require_exclusive_lock
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def inject_nmi(self, task):
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"""Inject NMI, Non Maskable Interrupt.
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Inject NMI (Non Maskable Interrupt) for a node immediately.
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:param task: A TaskManager instance containing the node to act on.
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:raises: InvalidParameterValue on malformed parameter(s)
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:raises: MissingParameterValue on missing parameter(s)
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:raises: RedfishConnectionError when it fails to connect to Redfish
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:raises: RedfishError on an error from the Sushy library
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"""
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system = redfish_utils.get_system(task.node)
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try:
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system.reset_system(sushy.RESET_NMI)
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except sushy.exceptions.SushyError as e:
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error_msg = (_('Redfish inject NMI failed for node %(node)s. '
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'Error: %(error)s') % {'node': task.node.uuid,
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'error': e})
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LOG.error(error_msg)
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raise exception.RedfishError(error=error_msg)
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