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ironic
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ironic/ironic/drivers/modules/irmc/inspect.py

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# Copyright 2015 FUJITSU LIMITED
#
# 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.
"""
iRMC Inspect Interface
"""
import re
from ironic_lib import metrics_utils
from oslo_log import log as logging
from oslo_utils import importutils
from ironic.common import boot_devices
from ironic.common import exception
from ironic.common.i18n import _
from ironic.common import states
from ironic.common import utils
from ironic.conductor import utils as manager_utils
from ironic.conf import CONF
from ironic.drivers import base
from ironic.drivers.modules.irmc import common as irmc_common
from ironic.drivers.modules import snmp
from ironic import objects
scci = importutils.try_import('scciclient.irmc.scci')
LOG = logging.getLogger(__name__)
METRICS = metrics_utils.get_metrics_logger(__name__)
"""
SC2.mib: sc2UnitNodeClass returns NIC type.
sc2UnitNodeClass OBJECT-TYPE
SYNTAX INTEGER
{
unknown(1),
primary(2),
secondary(3),
management-blade(4),
secondary-remote(5),
secondary-remote-backup(6),
baseboard-controller(7)
}
ACCESS read-only
STATUS mandatory
DESCRIPTION "Management node class:
primary: local operating system interface
secondary: local management controller LAN interface
management-blade: management blade interface (in a blade server
chassis)
secondary-remote: remote management controller (in an RSB
concentrator environment)
secondary-remote-backup: backup remote management controller
baseboard-controller: local baseboard management controller (BMC)"
::= { sc2ManagementNodes 8 }
"""
NODE_CLASS_OID_VALUE = {
'unknown': 1,
'primary': 2,
'secondary': 3,
'management-blade': 4,
'secondary-remote': 5,
'secondary-remote-backup': 6,
'baseboard-controller': 7
}
NODE_CLASS_OID = '1.3.6.1.4.1.231.2.10.2.2.10.3.1.1.8.1'
"""
SC2.mib: sc2UnitNodeMacAddress returns NIC MAC address
sc2UnitNodeMacAddress OBJECT-TYPE
SYNTAX PhysAddress
ACCESS read-only
STATUS mandatory
DESCRIPTION "Management node hardware (MAC) address"
::= { sc2ManagementNodes 9 }
"""
MAC_ADDRESS_OID = '1.3.6.1.4.1.231.2.10.2.2.10.3.1.1.9.1'
CAPABILITIES_PROPERTIES = {'trusted_boot', 'irmc_firmware_version',
'rom_firmware_version', 'server_model',
'pci_gpu_devices', 'cpu_fpga'}
def _get_mac_addresses(node):
"""Get mac addresses of the node.
:param node: node object.
:raises: SNMPFailure if SNMP operation failed.
:returns: a list of mac addresses.
"""
d_info = irmc_common.parse_driver_info(node)
snmp_client = snmp.SNMPClient(d_info['irmc_address'],
d_info['irmc_snmp_port'],
d_info['irmc_snmp_version'],
d_info['irmc_snmp_community'],
d_info['irmc_snmp_security'])
node_classes = snmp_client.get_next(NODE_CLASS_OID)
mac_addresses = [':'.join(['%02x' % x for x in mac])
for mac in snmp_client.get_next(MAC_ADDRESS_OID)]
return [a for c, a in zip(node_classes, mac_addresses)
if c == NODE_CLASS_OID_VALUE['primary']]
def _inspect_hardware(node, existing_traits=None, **kwargs):
"""Inspect the node and get hardware information.
:param node: node object.
:param existing_traits: existing traits list.
:param kwargs: the dictionary of additional parameters.
:raises: HardwareInspectionFailure, if unable to get essential
hardware properties.
:returns: a pair of dictionary and list, the dictionary contains
keys as in IRMCInspect.ESSENTIAL_PROPERTIES and its inspected
values, the list contains mac addresses.
"""
capabilities_props = set(CAPABILITIES_PROPERTIES)
new_traits = list(existing_traits) if existing_traits else []
# Remove all capabilities item which will be inspected in the existing
# capabilities of node
if 'capabilities' in node.properties:
existing_cap = node.properties['capabilities'].split(',')
for item in capabilities_props:
for prop in existing_cap:
if item == prop.split(':')[0]:
existing_cap.remove(prop)
node.properties['capabilities'] = ",".join(existing_cap)
# get gpu_ids, fpga_ids in ironic configuration
gpu_ids = [gpu_id.lower() for gpu_id in CONF.irmc.gpu_ids]
fpga_ids = [fpga_id.lower() for fpga_id in CONF.irmc.fpga_ids]
# if gpu_ids = [], pci_gpu_devices will not be inspected
if len(gpu_ids) == 0:
capabilities_props.remove('pci_gpu_devices')
# if fpga_ids = [], cpu_fpga will not be inspected
if len(fpga_ids) == 0:
capabilities_props.remove('cpu_fpga')
try:
report = irmc_common.get_irmc_report(node)
props = scci.get_essential_properties(
report, IRMCInspect.ESSENTIAL_PROPERTIES)
d_info = irmc_common.parse_driver_info(node)
capabilities = scci.get_capabilities_properties(
d_info,
capabilities_props,
gpu_ids,
fpga_ids=fpga_ids,
**kwargs)
if capabilities:
if capabilities.get('pci_gpu_devices') == 0:
capabilities.pop('pci_gpu_devices')
cpu_fpga = capabilities.pop('cpu_fpga', 0)
if cpu_fpga == 0 and 'CUSTOM_CPU_FPGA' in new_traits:
new_traits.remove('CUSTOM_CPU_FPGA')
elif cpu_fpga != 0 and 'CUSTOM_CPU_FPGA' not in new_traits:
new_traits.append('CUSTOM_CPU_FPGA')
if capabilities.get('trusted_boot') is False:
capabilities.pop('trusted_boot')
capabilities = utils.get_updated_capabilities(
node.properties.get('capabilities'), capabilities)
if capabilities:
props['capabilities'] = capabilities
macs = _get_mac_addresses(node)
except (scci.SCCIInvalidInputError,
scci.SCCIClientError,
exception.SNMPFailure) as e:
error = (_("Inspection failed for node %(node_id)s "
"with the following error: %(error)s") %
{'node_id': node.uuid, 'error': e})
raise exception.HardwareInspectionFailure(error=error)
return props, macs, new_traits
class IRMCInspect(base.InspectInterface):
"""Interface for out of band inspection."""
supported = False
def __init__(self):
"""Validate the driver-specific inspection information.
This action will validate gpu_ids and fpga_ids value along with
starting ironic-conductor service.
"""
for gpu_id in CONF.irmc.gpu_ids:
if not re.match('^0x[0-9a-f]{4}/0x[0-9a-f]{4}$', gpu_id.lower()):
raise exception.InvalidParameterValue(_(
"Invalid [irmc]/gpu_ids configuration option."))
for fpga_id in CONF.irmc.fpga_ids:
if not re.match('^0x[0-9a-f]{4}/0x[0-9a-f]{4}$', fpga_id.lower()):
raise exception.InvalidParameterValue(_(
"Invalid [irmc]/fpga_ids configuration option."))
super(IRMCInspect, self).__init__()
def get_properties(self):
"""Return the properties of the interface.
:returns: dictionary of <property name>:<property description> entries.
"""
return irmc_common.COMMON_PROPERTIES
@METRICS.timer('IRMCInspect.validate')
def validate(self, task):
"""Validate the driver-specific inspection information.
This method validates whether the 'driver_info' property of the
supplied node contains the required information for this driver.
:param task: a TaskManager instance containing the node to act on.
:raises: InvalidParameterValue if required driver_info attribute
is missing or invalid on the node.
:raises: MissingParameterValue if a required parameter is missing.
"""
irmc_common.parse_driver_info(task.node)
@METRICS.timer('IRMCInspect.inspect_hardware')
def inspect_hardware(self, task):
"""Inspect hardware.
Inspect hardware to obtain the essential hardware properties and
mac addresses.
:param task: a task from TaskManager.
:raises: HardwareInspectionFailure, if hardware inspection failed.
:returns: states.MANAGEABLE, if hardware inspection succeeded.
"""
node = task.node
kwargs = {}
# Inspect additional capabilities task requires node with power on
# status
old_power_state = task.driver.power.get_power_state(task)
if old_power_state == states.POWER_OFF:
manager_utils.node_set_boot_device(task, boot_devices.BIOS, False)
manager_utils.node_power_action(task, states.POWER_ON)
LOG.info("The Node %(node_uuid)s being powered on for inspection",
{'node_uuid': task.node.uuid})
kwargs['sleep_flag'] = True
traits_obj = objects.TraitList.get_by_node_id(task.context, node.id)
existing_traits = traits_obj.get_trait_names()
props, macs, new_traits = _inspect_hardware(node,
existing_traits,
**kwargs)
node.properties = dict(node.properties, **props)
if existing_traits != new_traits:
objects.TraitList.create(task.context, node.id, new_traits)
node.save()
for mac in macs:
try:
new_port = objects.Port(task.context,
address=mac, node_id=node.id)
new_port.create()
LOG.info("Port created for MAC address %(address)s "
"for node %(node_uuid)s during inspection",
{'address': mac, 'node_uuid': node.uuid})
except exception.MACAlreadyExists:
LOG.warning("Port already existed for MAC address "
"%(address)s for node %(node_uuid)s "
"during inspection",
{'address': mac, 'node_uuid': node.uuid})
LOG.info("Node %s inspected", node.uuid)
# restore old power state
if old_power_state == states.POWER_OFF:
manager_utils.node_power_action(task, states.POWER_OFF)
LOG.info("The Node %(node_uuid)s being powered off after "
"inspection",
{'node_uuid': task.node.uuid})
return states.MANAGEABLE
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