A service for managing and provisioning Bare Metal servers.
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# Copyright 2017 Red Hat, Inc.
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import collections
from oslo_log import log
from oslo_utils import importutils
from ironic.common import boot_devices
from ironic.common import boot_modes
from ironic.common import exception
from ironic.common.i18n import _
from ironic.common import utils
from ironic.conductor import task_manager
from ironic.drivers import base
from ironic.drivers.modules import boot_mode_utils
from ironic.drivers.modules.redfish import utils as redfish_utils
LOG = log.getLogger(__name__)
sushy = importutils.try_import('sushy')
if sushy:
BOOT_DEVICE_MAP = {
sushy.BOOT_SOURCE_TARGET_PXE: boot_devices.PXE,
sushy.BOOT_SOURCE_TARGET_HDD: boot_devices.DISK,
sushy.BOOT_SOURCE_TARGET_CD: boot_devices.CDROM,
sushy.BOOT_SOURCE_TARGET_BIOS_SETUP: boot_devices.BIOS
}
BOOT_DEVICE_MAP_REV = {v: k for k, v in BOOT_DEVICE_MAP.items()}
BOOT_MODE_MAP = {
sushy.BOOT_SOURCE_MODE_UEFI: boot_modes.UEFI,
sushy.BOOT_SOURCE_MODE_BIOS: boot_modes.LEGACY_BIOS
}
BOOT_MODE_MAP_REV = {v: k for k, v in BOOT_MODE_MAP.items()}
BOOT_DEVICE_PERSISTENT_MAP = {
sushy.BOOT_SOURCE_ENABLED_CONTINUOUS: True,
sushy.BOOT_SOURCE_ENABLED_ONCE: False
}
BOOT_DEVICE_PERSISTENT_MAP_REV = {v: k for k, v in
BOOT_DEVICE_PERSISTENT_MAP.items()}
def _set_boot_device(task, system, device, persistent=False):
"""An internal routine to set the boot device.
:param task: a task from TaskManager.
:param system: a Redfish System object.
:param device: the Redfish boot device.
:param persistent: Boolean value. True if the boot device will
persist to all future boots, False if not.
Default: False.
:raises: SushyError on an error from the Sushy library
"""
# The BMC handling of the persistent setting is vendor specific.
# Some vendors require that it not be set if currently equal to
# desired state (see https://storyboard.openstack.org/#!/story/2007355).
# Supermicro BMCs handle it in the opposite manner - the
# persistent setting must be set when setting the boot device
# (see https://storyboard.openstack.org/#!/story/2008547).
vendor = task.node.properties.get('vendor', None)
if vendor and vendor.lower() == 'supermicro':
enabled = BOOT_DEVICE_PERSISTENT_MAP_REV[persistent]
LOG.debug('Setting BootSourceOverrideEnable to %(enable)s '
'on Supermicro BMC, node %(node)s',
{'enable': enabled, 'node': task.node.uuid})
else:
desired_enabled = BOOT_DEVICE_PERSISTENT_MAP_REV[persistent]
current_enabled = system.boot.get('enabled')
# NOTE(etingof): this can be racy, esp if BMC is not RESTful
enabled = (desired_enabled
if desired_enabled != current_enabled else None)
use_new_set_system_boot = True
try:
try:
system.set_system_boot_options(device, enabled=enabled)
except AttributeError:
enabled = desired_enabled
use_new_set_system_boot = False
system.set_system_boot_source(device, enabled=enabled)
except sushy.exceptions.SushyError as e:
if enabled == sushy.BOOT_SOURCE_ENABLED_CONTINUOUS:
# NOTE(dtantsur): continuous boot device settings have been
# removed from Redfish, and some vendors stopped supporting
# it before an alternative was provided. As a work around,
# use one-time boot and restore the boot device on every
# reboot via RedfishPower.
LOG.debug('Error %(error)s when trying to set a '
'persistent boot device on node %(node)s, '
'falling back to one-time boot settings',
{'error': e, 'node': task.node.uuid})
if use_new_set_system_boot:
system.set_system_boot_options(
device, enabled=sushy.BOOT_SOURCE_ENABLED_ONCE)
else:
system.set_system_boot_source(
device, enabled=sushy.BOOT_SOURCE_ENABLED_ONCE)
LOG.warning('Could not set persistent boot device to '
'%(dev)s for node %(node)s, using one-time '
'boot device instead',
{'dev': device, 'node': task.node.uuid})
utils.set_node_nested_field(
task.node, 'driver_internal_info',
'redfish_boot_device', device)
task.node.save()
else:
raise
class RedfishManagement(base.ManagementInterface):
def __init__(self):
"""Initialize the Redfish management interface.
:raises: DriverLoadError if the driver can't be loaded due to
missing dependencies
"""
super(RedfishManagement, self).__init__()
if not sushy:
raise exception.DriverLoadError(
driver='redfish',
reason=_('Unable to import the sushy library'))
def get_properties(self):
"""Return the properties of the interface.
:returns: dictionary of <property name>:<property description> entries.
"""
return redfish_utils.COMMON_PROPERTIES.copy()
def validate(self, task):
"""Validates the driver information needed by the redfish driver.
:param task: a TaskManager instance containing the node to act on.
:raises: InvalidParameterValue on malformed parameter(s)
:raises: MissingParameterValue on missing parameter(s)
"""
redfish_utils.parse_driver_info(task.node)
def get_supported_boot_devices(self, task):
"""Get a list of the supported boot devices.
:param task: a task from TaskManager.
:returns: A list with the supported boot devices defined
in :mod:`ironic.common.boot_devices`.
"""
return list(BOOT_DEVICE_MAP_REV)
@task_manager.require_exclusive_lock
def restore_boot_device(self, task, system):
"""Restore boot device if needed.
Checks the redfish_boot_device internal flag and sets the one-time
boot device accordingly. A warning is issued if it fails.
This method is supposed to be called from the Redfish power interface
and should be considered private to the Redfish hardware type.
:param task: a task from TaskManager.
:param system: a Redfish System object.
"""
device = task.node.driver_internal_info.get('redfish_boot_device')
if not device:
return
LOG.debug('Restoring boot device %(dev)s on node %(node)s',
{'dev': device, 'node': task.node.uuid})
try:
_set_boot_device(task, system, device)
except sushy.exceptions.SushyError as e:
LOG.warning('Unable to recover boot device %(dev)s for node '
'%(node)s, relying on the pre-configured boot order. '
'Error: %(error)s',
{'dev': device, 'node': task.node.uuid, 'error': e})
@task_manager.require_exclusive_lock
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.
# It should only be synced on these vendors as other vendor
# implementations will result in an error
# (see https://storyboard.openstack.org/#!/story/2008712)
vendor = task.node.properties.get('vendor', None)
if vendor and vendor.lower() == 'supermicro':
boot_mode_utils.sync_boot_mode(task)
def get_boot_device(self, task):
"""Get the current boot device for a node.
:param task: a task from TaskManager.
: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
:returns: a dictionary containing:
:boot_device:
the boot device, one of :mod:`ironic.common.boot_devices` or
None if it is unknown.
:persistent:
Boolean value or None, True if the boot device persists,
False otherwise. None if it's unknown.
"""
system = redfish_utils.get_system(task.node)
return {'boot_device': BOOT_DEVICE_MAP.get(system.boot.get('target')),
'persistent': BOOT_DEVICE_PERSISTENT_MAP.get(
system.boot.get('enabled'))}
def get_supported_boot_modes(self, task):
"""Get a list of the supported boot modes.
:param task: A task from TaskManager.
:returns: A list with the supported boot modes defined
in :mod:`ironic.common.boot_modes`. If boot
mode support can't be determined, empty list
is returned.
"""
return list(BOOT_MODE_MAP_REV)
@task_manager.require_exclusive_lock
def set_boot_mode(self, task, mode):
"""Set the boot mode for a node.
Set the boot mode to use on next reboot of the node.
:param task: A task from TaskManager.
:param mode: The boot mode, one of
:mod:`ironic.common.boot_modes`.
:raises: InvalidParameterValue if an invalid boot mode is
specified.
:raises: MissingParameterValue if a required parameter is missing
:raises: RedfishConnectionError when it fails to connect to Redfish
:raises: RedfishError on an error from the Sushy library
"""
system = redfish_utils.get_system(task.node)
try:
try:
system.set_system_boot_options(mode=BOOT_MODE_MAP_REV[mode])
except AttributeError:
boot_device = system.boot.get('target')
if not boot_device:
error_msg = (_('Cannot change boot mode on node %(node)s '
'because its boot device is not set.') %
{'node': task.node.uuid})
LOG.error(error_msg)
raise exception.RedfishError(error_msg)
boot_override = system.boot.get('enabled')
if not boot_override:
error_msg = (_('Cannot change boot mode on node %(node)s '
'because its boot source override is '
'not set.') %
{'node': task.node.uuid})
LOG.error(error_msg)
raise exception.RedfishError(error_msg)
system.set_system_boot_source(
boot_device,
enabled=boot_override,
mode=BOOT_MODE_MAP_REV[mode])
except sushy.exceptions.SushyError as e:
error_msg = (_('Setting boot mode to %(mode)s '
'failed for node %(node)s. '
'Error: %(error)s') %
{'node': task.node.uuid, 'mode': mode,
'error': e})
LOG.error(error_msg)
raise exception.RedfishError(error=error_msg)
def get_boot_mode(self, task):
"""Get the current boot mode for a node.
Provides the current boot mode of the node.
:param task: A task from TaskManager.
:raises: MissingParameterValue if a required parameter is missing
:raises: DriverOperationError or its derivative in case
of driver runtime error.
:returns: The boot mode, one of :mod:`ironic.common.boot_mode` or
None if it is unknown.
"""
system = redfish_utils.get_system(task.node)
return BOOT_MODE_MAP.get(system.boot.get('mode'))
@staticmethod
def _sensor2dict(resource, *fields):
return {field: getattr(resource, field)
for field in fields
if hasattr(resource, field)}
@classmethod
def _get_sensors_fan(cls, chassis):
"""Get fan sensors reading.
:param chassis: Redfish `chassis` object
:returns: returns a dict of sensor data.
"""
sensors = {}
for fan in chassis.thermal.fans:
sensor = cls._sensor2dict(
fan, 'identity', 'max_reading_range',
'min_reading_range', 'reading', 'reading_units',
'serial_number', 'physical_context')
sensor.update(cls._sensor2dict(fan.status, 'state', 'health'))
unique_name = '%s@%s' % (fan.identity, chassis.identity)
sensors[unique_name] = sensor
return sensors
@classmethod
def _get_sensors_temperatures(cls, chassis):
"""Get temperature sensors reading.
:param chassis: Redfish `chassis` object
:returns: returns a dict of sensor data.
"""
sensors = {}
for temps in chassis.thermal.temperatures:
sensor = cls._sensor2dict(
temps, 'identity', 'max_reading_range_temp',
'min_reading_range_temp', 'reading_celsius',
'physical_context', 'sensor_number')
sensor.update(cls._sensor2dict(temps.status, 'state', 'health'))
unique_name = '%s@%s' % (temps.identity, chassis.identity)
sensors[unique_name] = sensor
return sensors
@classmethod
def _get_sensors_power(cls, chassis):
"""Get power supply sensors reading.
:param chassis: Redfish `chassis` object
:returns: returns a dict of sensor data.
"""
sensors = {}
for power in chassis.power.power_supplies:
sensor = cls._sensor2dict(
power, 'power_capacity_watts',
'line_input_voltage', 'last_power_output_watts',
'serial_number')
sensor.update(cls._sensor2dict(power.status, 'state', 'health'))
sensor.update(cls._sensor2dict(
power.input_ranges, 'minimum_voltage',
'maximum_voltage', 'minimum_frequency_hz',
'maximum_frequency_hz', 'output_wattage'))
unique_name = '%s:%s@%s' % (
power.identity, chassis.power.identity,
chassis.identity)
sensors[unique_name] = sensor
return sensors
@classmethod
def _get_sensors_drive(cls, system):
"""Get storage drive sensors reading.
:param chassis: Redfish `system` object
:returns: returns a dict of sensor data.
"""
sensors = {}
for storage in system.simple_storage.get_members():
for drive in storage.devices:
sensor = cls._sensor2dict(
drive, 'name', 'model', 'capacity_bytes')
sensor.update(
cls._sensor2dict(drive.status, 'state', 'health'))
unique_name = '%s:%s@%s' % (
drive.name, storage.identity, system.identity)
sensors[unique_name] = sensor
return sensors
def get_sensors_data(self, task):
"""Get sensors data.
:param task: a TaskManager instance.
:raises: FailedToGetSensorData when getting the sensor data fails.
:raises: FailedToParseSensorData when parsing sensor data fails.
:raises: InvalidParameterValue if required parameters
are missing.
:raises: MissingParameterValue if a required parameter is missing.
:returns: returns a dict of sensor data grouped by sensor type.
"""
node = task.node
sensors = collections.defaultdict(dict)
system = redfish_utils.get_system(node)
for chassis in system.chassis:
try:
sensors['Fan'].update(self._get_sensors_fan(chassis))
except sushy.exceptions.SushyError as exc:
LOG.debug("Failed reading fan information for node "
"%(node)s: %(error)s", {'node': node.uuid,
'error': exc})
try:
sensors['Temperature'].update(
self._get_sensors_temperatures(chassis))
except sushy.exceptions.SushyError as exc:
LOG.debug("Failed reading temperature information for node "
"%(node)s: %(error)s", {'node': node.uuid,
'error': exc})
try:
sensors['Power'].update(self._get_sensors_power(chassis))
except sushy.exceptions.SushyError as exc:
LOG.debug("Failed reading power information for node "
"%(node)s: %(error)s", {'node': node.uuid,
'error': exc})
try:
sensors['Drive'].update(self._get_sensors_drive(system))
except sushy.exceptions.SushyError as exc:
LOG.debug("Failed reading drive information for node "
"%(node)s: %(error)s", {'node': node.uuid,
'error': exc})
LOG.debug("Gathered sensor data: %(sensors)s", {'sensors': sensors})
return sensors
@task_manager.require_exclusive_lock
def inject_nmi(self, task):
"""Inject NMI, Non Maskable Interrupt.
Inject NMI (Non Maskable Interrupt) for a node immediately.
:param task: A TaskManager instance containing the node to act on.
: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
"""
system = redfish_utils.get_system(task.node)
try:
system.reset_system(sushy.RESET_NMI)
except sushy.exceptions.SushyError as e:
error_msg = (_('Redfish inject NMI failed for node %(node)s. '
'Error: %(error)s') % {'node': task.node.uuid,
'error': e})
LOG.error(error_msg)
raise exception.RedfishError(error=error_msg)
def detect_vendor(self, task):
"""Detects and returns the hardware vendor.
Uses the System's Manufacturer field.
:param task: A task from TaskManager.
:raises: InvalidParameterValue if an invalid component, indicator
or state is specified.
:raises: MissingParameterValue if a required parameter is missing
:raises: RedfishError on driver-specific problems.
:returns: String representing the BMC reported Vendor or
Manufacturer, otherwise returns None.
"""
return redfish_utils.get_system(task.node).manufacturer