Source code for ironic.drivers.modules.drac.inspect

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"""
DRAC inspection interface
"""

from ironic_lib import metrics_utils
from oslo_log import log as logging
from oslo_utils import importutils
from oslo_utils import units

from ironic.common import exception
from ironic.common.i18n import _
from ironic.common import states
from ironic.common import utils
from ironic.drivers import base
from ironic.drivers.modules.drac import common as drac_common
from ironic.drivers.modules.redfish import inspect as redfish_inspect
from ironic import objects

drac_exceptions = importutils.try_import('dracclient.exceptions')

LOG = logging.getLogger(__name__)

METRICS = metrics_utils.get_metrics_logger(__name__)


[docs]class DracRedfishInspect(redfish_inspect.RedfishInspect): """iDRAC Redfish interface for inspection-related actions. Presently, this class entirely defers to its base class, a generic, vendor-independent Redfish interface. Future resolution of Dell EMC- specific incompatibilities and introduction of vendor value added should be implemented by this class. """ pass
[docs]class DracWSManInspect(base.InspectInterface):
[docs] def get_properties(self): """Return the properties of the interface. :returns: dictionary of <property name>:<property description> entries. """ return drac_common.COMMON_PROPERTIES
[docs] @METRICS.timer('DracInspect.validate') def validate(self, task): """Validate the driver-specific info supplied. This method validates whether the 'driver_info' property of the supplied node contains the required information for this driver to manage the node. :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. """ return drac_common.parse_driver_info(task.node)
[docs] @METRICS.timer('DracInspect.inspect_hardware') def inspect_hardware(self, task): """Inspect hardware. Inspect hardware to obtain the essential & additional hardware properties. :param task: a TaskManager instance containing the node to act on. :raises: HardwareInspectionFailure, if unable to get essential hardware properties. :returns: states.MANAGEABLE """ node = task.node client = drac_common.get_drac_client(node) properties = {} try: properties['memory_mb'] = sum( [memory.size_mb for memory in client.list_memory()]) cpus = client.list_cpus() if cpus: properties['cpus'] = sum( [self._calculate_cpus(cpu) for cpu in cpus]) properties['cpu_arch'] = 'x86_64' if cpus[0].arch64 else 'x86' bios_settings = client.list_bios_settings() current_capabilities = node.properties.get('capabilities', '') new_capabilities = { 'boot_mode': bios_settings["BootMode"].current_value.lower()} capabilties = utils.get_updated_capabilities(current_capabilities, new_capabilities) properties['capabilities'] = capabilties virtual_disks = client.list_virtual_disks() root_disk = self._guess_root_disk(virtual_disks) if root_disk: properties['local_gb'] = int(root_disk.size_mb / units.Ki) else: physical_disks = client.list_physical_disks() root_disk = self._guess_root_disk(physical_disks) if root_disk: properties['local_gb'] = int( root_disk.size_mb / units.Ki) except drac_exceptions.BaseClientException as exc: LOG.error('DRAC driver failed to introspect node ' '%(node_uuid)s. Reason: %(error)s.', {'node_uuid': node.uuid, 'error': exc}) raise exception.HardwareInspectionFailure(error=exc) valid_keys = self.ESSENTIAL_PROPERTIES missing_keys = valid_keys - set(properties) if missing_keys: error = (_('Failed to discover the following properties: ' '%(missing_keys)s') % {'missing_keys': ', '.join(missing_keys)}) raise exception.HardwareInspectionFailure(error=error) node.properties = dict(node.properties, **properties) node.save() try: nics = client.list_nics() except drac_exceptions.BaseClientException as exc: LOG.error('DRAC driver failed to introspect node ' '%(node_uuid)s. Reason: %(error)s.', {'node_uuid': node.uuid, 'error': exc}) raise exception.HardwareInspectionFailure(error=exc) pxe_dev_nics = self._get_pxe_dev_nics(client, nics, node) if pxe_dev_nics is None: LOG.warning('No PXE enabled NIC was found for node ' '%(node_uuid)s.', {'node_uuid': node.uuid}) for nic in nics: try: port = objects.Port(task.context, address=nic.mac, node_id=node.id, pxe_enabled=(nic.id in pxe_dev_nics)) port.create() LOG.info('Port created with MAC address %(mac)s ' 'for node %(node_uuid)s during inspection', {'mac': nic.mac, 'node_uuid': node.uuid}) except exception.MACAlreadyExists: LOG.warning('Failed to create a port with MAC address ' '%(mac)s when inspecting the node ' '%(node_uuid)s because the address is already ' 'registered', {'mac': nic.mac, 'node_uuid': node.uuid}) LOG.info('Node %s successfully inspected.', node.uuid) return states.MANAGEABLE
def _guess_root_disk(self, disks, min_size_required_mb=4 * units.Ki): """Find a root disk. :param disks: list of disks. :param min_size_required_mb: minimum required size of the root disk in megabytes. :returns: root disk. """ disks.sort(key=lambda disk: disk.size_mb) for disk in disks: if disk.size_mb >= min_size_required_mb: return disk def _calculate_cpus(self, cpu): """Find actual CPU count. :param cpu: Pass cpu. :returns: returns total cpu count. """ if cpu.ht_enabled: return cpu.cores * 2 else: return cpu.cores def _get_pxe_dev_nics(self, client, nics, node): """Get a list of pxe device interfaces. :param client: Dracclient to list the bios settings and nics :param nics: list of nics :returns: Returns list of pxe device interfaces. """ pxe_dev_nics = [] pxe_params = ["PxeDev1EnDis", "PxeDev2EnDis", "PxeDev3EnDis", "PxeDev4EnDis"] pxe_nics = ["PxeDev1Interface", "PxeDev2Interface", "PxeDev3Interface", "PxeDev4Interface"] try: bios_settings = client.list_bios_settings() except drac_exceptions.BaseClientException as exc: LOG.error('DRAC driver failed to list bios settings ' 'for %(node_uuid)s. Reason: %(error)s.', {'node_uuid': node.uuid, 'error': exc}) raise exception.HardwareInspectionFailure(error=exc) if bios_settings["BootMode"].current_value == "Uefi": for param, nic in zip(pxe_params, pxe_nics): if param in bios_settings and bios_settings[ param].current_value == "Enabled": pxe_dev_nics.append( bios_settings[nic].current_value) elif bios_settings["BootMode"].current_value == "Bios": for nic in nics: try: nic_cap = client.list_nic_settings(nic_id=nic.id) except drac_exceptions.BaseClientException as exc: LOG.error('DRAC driver failed to list nic settings ' 'for %(node_uuid)s. Reason: %(error)s.', {'node_uuid': node.uuid, 'error': exc}) raise exception.HardwareInspectionFailure(error=exc) if ("LegacyBootProto" in nic_cap and nic_cap[ 'LegacyBootProto'].current_value == "PXE"): pxe_dev_nics.append(nic.id) return pxe_dev_nics
[docs]class DracInspect(DracWSManInspect): """Class alias of class DracWSManInspect. This class provides ongoing support of the deprecated 'idrac' inspect interface implementation entrypoint. All bug fixes and new features should be implemented in its base class, DracWSManInspect. That makes them available to both the deprecated 'idrac' and new 'idrac-wsman' entrypoints. Such changes should not be made to this class. """ def __init__(self): LOG.warning("Inspect interface 'idrac' is deprecated and may be " "removed in a future release. Use 'idrac-wsman' instead.")