580 lines
24 KiB
Python
580 lines
24 KiB
Python
#
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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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import logging
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from dracclient import constants
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from dracclient import exceptions
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from dracclient.resources import uris
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from dracclient import utils
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LOG = logging.getLogger(__name__)
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RAID_LEVELS = {
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'non-raid': '1',
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'0': '2',
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'1': '4',
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'5': '64',
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'6': '128',
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'1+0': '2048',
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'5+0': '8192',
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'6+0': '16384',
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}
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REVERSE_RAID_LEVELS = dict((v, k) for (k, v) in RAID_LEVELS.items())
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DISK_RAID_STATUS = {
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'0': 'unknown',
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'1': 'ready',
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'2': 'online',
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'3': 'foreign',
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'4': 'offline',
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'5': 'blocked',
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'6': 'failed',
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'7': 'degraded',
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'8': 'non-RAID',
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'9': 'missing'
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}
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VIRTUAL_DISK_PENDING_OPERATIONS = {
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'0': None,
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'1': 'fast_init',
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'2': 'pending_delete',
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'3': 'pending_create'
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}
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PHYSICAL_DISK_MEDIA_TYPE = {
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'0': 'hdd',
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'1': 'ssd'
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}
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PHYSICAL_DISK_BUS_PROTOCOL = {
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'0': 'unknown',
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'1': 'scsi',
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'2': 'pata',
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'3': 'fibre',
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'4': 'usb',
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'5': 'sata',
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'6': 'sas',
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'7': 'pcie',
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'8': 'nvme'
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}
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PhysicalDiskTuple = collections.namedtuple(
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'PhysicalDisk',
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['id', 'description', 'controller', 'manufacturer', 'model', 'media_type',
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'interface_type', 'size_mb', 'free_size_mb', 'serial_number',
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'firmware_version', 'status', 'raid_status', 'sas_address',
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'device_protocol'])
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class PhysicalDisk(PhysicalDiskTuple):
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def __new__(cls, **kwargs):
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if 'state' in kwargs:
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LOG.warning('PhysicalDisk.state is deprecated. '
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'Use PhysicalDisk.status instead.')
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kwargs['status'] = kwargs['state']
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del kwargs['state']
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if 'raid_state' in kwargs:
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LOG.warning('PhysicalDisk.raid_state is deprecated. '
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'Use PhysicalDisk.raid_status instead.')
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kwargs['raid_status'] = kwargs['raid_state']
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del kwargs['raid_state']
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return super(PhysicalDisk, cls).__new__(cls, **kwargs)
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@property
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def state(self):
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LOG.warning('PhysicalDisk.state is deprecated. '
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'Use PhysicalDisk.status instead.')
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return self.status
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@property
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def raid_state(self):
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LOG.warning('PhysicalDisk.raid_state is deprecated. '
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'Use PhysicalDisk.raid_status instead.')
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return self.raid_status
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RAIDController = collections.namedtuple(
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'RAIDController', ['id', 'description', 'manufacturer', 'model',
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'primary_status', 'firmware_version', 'bus'])
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VirtualDiskTuple = collections.namedtuple(
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'VirtualDisk',
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['id', 'name', 'description', 'controller', 'raid_level', 'size_mb',
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'status', 'raid_status', 'span_depth', 'span_length',
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'pending_operations', 'physical_disks'])
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class VirtualDisk(VirtualDiskTuple):
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def __new__(cls, **kwargs):
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if 'state' in kwargs:
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LOG.warning('VirtualDisk.state is deprecated. '
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'Use VirtualDisk.status instead.')
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kwargs['status'] = kwargs['state']
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del kwargs['state']
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if 'raid_state' in kwargs:
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LOG.warning('VirtualDisk.raid_state is deprecated. '
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'Use VirtualDisk.raid_status instead.')
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kwargs['raid_status'] = kwargs['raid_state']
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del kwargs['raid_state']
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return super(VirtualDisk, cls).__new__(cls, **kwargs)
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@property
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def state(self):
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LOG.warning('VirtualDisk.state is deprecated. '
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'Use VirtualDisk.status instead.')
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return self.status
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@property
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def raid_state(self):
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LOG.warning('VirtualDisk.raid_state is deprecated. '
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'Use VirtualDisk.raid_status instead.')
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return self.raid_status
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class RAIDManagement(object):
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NOT_SUPPORTED_MSG = " operation is not supported on th"
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def __init__(self, client):
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"""Creates RAIDManagement object
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:param client: an instance of WSManClient
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"""
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self.client = client
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def list_raid_controllers(self):
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"""Returns the list of RAID controllers
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:returns: a list of RAIDController objects
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:raises: WSManRequestFailure on request failures
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:raises: WSManInvalidResponse when receiving invalid response
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:raises: DRACOperationFailed on error reported back by the DRAC
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interface
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"""
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doc = self.client.enumerate(uris.DCIM_ControllerView)
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drac_raid_controllers = utils.find_xml(doc, 'DCIM_ControllerView',
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uris.DCIM_ControllerView,
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find_all=True)
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return [self._parse_drac_raid_controller(controller)
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for controller in drac_raid_controllers]
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def _parse_drac_raid_controller(self, drac_controller):
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return RAIDController(
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id=self._get_raid_controller_attr(drac_controller, 'FQDD'),
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description=self._get_raid_controller_attr(
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drac_controller, 'DeviceDescription'),
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manufacturer=self._get_raid_controller_attr(
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drac_controller, 'DeviceCardManufacturer'),
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model=self._get_raid_controller_attr(
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drac_controller, 'ProductName'),
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primary_status=constants.PRIMARY_STATUS[
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self._get_raid_controller_attr(drac_controller,
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'PrimaryStatus')],
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firmware_version=self._get_raid_controller_attr(
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drac_controller, 'ControllerFirmwareVersion'),
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bus=self._get_raid_controller_attr(drac_controller, 'Bus'))
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def _get_raid_controller_attr(self, drac_controller, attr_name):
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return utils.get_wsman_resource_attr(
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drac_controller, uris.DCIM_ControllerView, attr_name,
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nullable=True)
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def list_virtual_disks(self):
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"""Returns the list of virtual disks
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:returns: a list of VirtualDisk objects
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:raises: WSManRequestFailure on request failures
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:raises: WSManInvalidResponse when receiving invalid response
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:raises: DRACOperationFailed on error reported back by the DRAC
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interface
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"""
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doc = self.client.enumerate(uris.DCIM_VirtualDiskView)
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drac_virtual_disks = utils.find_xml(doc, 'DCIM_VirtualDiskView',
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uris.DCIM_VirtualDiskView,
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find_all=True)
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return [self._parse_drac_virtual_disk(disk)
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for disk in drac_virtual_disks]
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def _parse_drac_virtual_disk(self, drac_disk):
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fqdd = self._get_virtual_disk_attr(drac_disk, 'FQDD')
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drac_raid_level = self._get_virtual_disk_attr(drac_disk, 'RAIDTypes')
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size_b = self._get_virtual_disk_attr(drac_disk, 'SizeInBytes')
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drac_status = self._get_virtual_disk_attr(drac_disk, 'PrimaryStatus')
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drac_raid_status = self._get_virtual_disk_attr(drac_disk, 'RAIDStatus')
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drac_pending_operations = self._get_virtual_disk_attr(
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drac_disk, 'PendingOperations')
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return VirtualDisk(
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id=fqdd,
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name=self._get_virtual_disk_attr(drac_disk, 'Name',
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nullable=True),
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description=self._get_virtual_disk_attr(drac_disk,
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'DeviceDescription',
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nullable=True),
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controller=fqdd.split(':')[-1],
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raid_level=REVERSE_RAID_LEVELS[drac_raid_level],
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size_mb=int(size_b) // 2 ** 20,
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status=constants.PRIMARY_STATUS[drac_status],
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raid_status=DISK_RAID_STATUS[drac_raid_status],
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span_depth=int(self._get_virtual_disk_attr(drac_disk,
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'SpanDepth')),
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span_length=int(self._get_virtual_disk_attr(drac_disk,
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'SpanLength')),
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pending_operations=(
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VIRTUAL_DISK_PENDING_OPERATIONS[drac_pending_operations]),
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physical_disks=self._get_virtual_disk_attrs(drac_disk,
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'PhysicalDiskIDs'))
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def _get_virtual_disk_attr(self, drac_disk, attr_name, nullable=False):
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return utils.get_wsman_resource_attr(
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drac_disk, uris.DCIM_VirtualDiskView, attr_name,
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nullable=nullable)
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def _get_virtual_disk_attrs(self, drac_disk, attr_name):
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return utils.get_all_wsman_resource_attrs(
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drac_disk, uris.DCIM_VirtualDiskView, attr_name, nullable=False)
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def list_physical_disks(self):
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"""Returns the list of physical disks
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:returns: a list of PhysicalDisk objects
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:raises: WSManRequestFailure on request failures
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:raises: WSManInvalidResponse when receiving invalid response
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:raises: DRACOperationFailed on error reported back by the DRAC
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interface
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"""
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doc = self.client.enumerate(uris.DCIM_PhysicalDiskView)
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drac_physical_disks = utils.find_xml(doc, 'DCIM_PhysicalDiskView',
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uris.DCIM_PhysicalDiskView,
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find_all=True)
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physical_disks = [self._parse_drac_physical_disk(disk)
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for disk in drac_physical_disks]
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drac_pcie_disks = utils.find_xml(doc, 'DCIM_PCIeSSDView',
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uris.DCIM_PCIeSSDView,
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find_all=True)
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pcie_disks = [self._parse_drac_physical_disk(disk,
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uris.DCIM_PCIeSSDView) for disk in drac_pcie_disks]
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return physical_disks + pcie_disks
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def _parse_drac_physical_disk(self,
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drac_disk,
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uri=uris.DCIM_PhysicalDiskView):
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fqdd = self._get_physical_disk_attr(drac_disk, 'FQDD', uri)
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size_b = self._get_physical_disk_attr(drac_disk, 'SizeInBytes', uri)
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free_size_b = self._get_physical_disk_attr(drac_disk,
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'FreeSizeInBytes', uri)
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if free_size_b is not None:
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free_size_mb = int(free_size_b) // 2 ** 20
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else:
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free_size_mb = None
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drac_status = self._get_physical_disk_attr(drac_disk, 'PrimaryStatus',
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uri)
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drac_raid_status = self._get_physical_disk_attr(drac_disk,
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'RaidStatus', uri)
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if drac_raid_status is not None:
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raid_status = DISK_RAID_STATUS[drac_raid_status]
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else:
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raid_status = None
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drac_media_type = self._get_physical_disk_attr(drac_disk, 'MediaType',
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uri)
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drac_bus_protocol = self._get_physical_disk_attr(drac_disk,
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'BusProtocol', uri)
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return PhysicalDisk(
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id=fqdd,
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description=self._get_physical_disk_attr(drac_disk,
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'DeviceDescription',
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uri),
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controller=fqdd.split(':')[-1],
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manufacturer=self._get_physical_disk_attr(drac_disk,
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'Manufacturer', uri),
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model=self._get_physical_disk_attr(drac_disk, 'Model', uri),
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media_type=PHYSICAL_DISK_MEDIA_TYPE[drac_media_type],
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interface_type=PHYSICAL_DISK_BUS_PROTOCOL[drac_bus_protocol],
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size_mb=int(size_b) // 2 ** 20,
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free_size_mb=free_size_mb,
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serial_number=self._get_physical_disk_attr(drac_disk,
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'SerialNumber', uri),
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firmware_version=self._get_physical_disk_attr(drac_disk,
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'Revision', uri),
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status=constants.PRIMARY_STATUS[drac_status],
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raid_status=raid_status,
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sas_address=self._get_physical_disk_attr(drac_disk, 'SASAddress',
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uri, allow_missing=True),
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device_protocol=self._get_physical_disk_attr(drac_disk,
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'DeviceProtocol',
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uri,
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allow_missing=True))
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def _get_physical_disk_attr(self, drac_disk, attr_name, uri,
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allow_missing=False):
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return utils.get_wsman_resource_attr(
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drac_disk, uri, attr_name, nullable=True,
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allow_missing=allow_missing)
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def convert_physical_disks(self, physical_disks, raid_enable):
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"""Converts a list of physical disks into or out of RAID mode.
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Disks can be enabled or disabled for RAID mode.
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:param physical_disks: list of FQDD ID strings of the physical disks
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to update
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:param raid_enable: boolean flag, set to True if the disk is to
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become part of the RAID. The same flag is applied to all
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listed disks
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:returns: a dictionary containing:
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- The commit_required key with a boolean value indicating
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whether a config job must be created for the values to be
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applied. This key actually has a value that indicates if
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a reboot is required. This key has been deprecated and
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will be removed in a future release.
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- The is_commit_required key with the value always set to
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True indicating that a config job must be created to
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complete disk conversion.
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- The is_reboot_required key with a RebootRequired enumerated
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value indicating whether the server must be rebooted to
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complete disk conversion.
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"""
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invocation = 'ConvertToRAID' if raid_enable else 'ConvertToNonRAID'
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selectors = {'SystemCreationClassName': 'DCIM_ComputerSystem',
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'CreationClassName': 'DCIM_RAIDService',
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'SystemName': 'DCIM:ComputerSystem',
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'Name': 'DCIM:RAIDService'}
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properties = {'PDArray': physical_disks}
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doc = self.client.invoke(uris.DCIM_RAIDService, invocation,
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selectors, properties,
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expected_return_value=utils.RET_SUCCESS)
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return utils.build_return_dict(doc, uris.DCIM_RAIDService,
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include_commit_required=True,
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is_commit_required_value=True)
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def create_virtual_disk(self, raid_controller, physical_disks, raid_level,
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size_mb, disk_name=None, span_length=None,
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span_depth=None):
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"""Creates a virtual disk
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The created virtual disk will be in pending state. For the changes to
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be applied, a config job must be created and the node must be rebooted.
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:param raid_controller: id of the RAID controller
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:param physical_disks: ids of the physical disks
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:param raid_level: RAID level of the virtual disk
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:param size_mb: size of the virtual disk in megabytes
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:param disk_name: name of the virtual disk (optional)
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:param span_length: number of disks per span (optional)
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:param span_depth: number of spans in virtual disk (optional)
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:returns: a dictionary containing:
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- The commit_required key with a boolean value indicating
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whether a config job must be created for the values to be
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applied. This key actually has a value that indicates if
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a reboot is required. This key has been deprecated and
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will be removed in a future release.
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- The is_commit_required key with the value always set to
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True indicating that a config job must be created to
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complete virtual disk creation.
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- The is_reboot_required key with a RebootRequired enumerated
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value indicating whether the server must be rebooted to
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complete virtual disk creation.
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:raises: WSManRequestFailure on request failures
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:raises: WSManInvalidResponse when receiving invalid response
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:raises: DRACOperationFailed on error reported back by the DRAC
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interface
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:raises: DRACUnexpectedReturnValue on return value mismatch
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:raises: InvalidParameterValue on invalid input parameter
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"""
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virtual_disk_prop_names = []
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virtual_disk_prop_values = []
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error_msgs = []
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# RAID controller validation
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if not raid_controller:
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error_msgs.append("'raid_controller' is not supplied")
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# physical disks validation
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if not physical_disks:
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error_msgs.append("'physical_disks' is not supplied")
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# size validation
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utils.validate_integer_value(size_mb, 'size_mb', error_msgs)
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virtual_disk_prop_names.append('Size')
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virtual_disk_prop_values.append(str(size_mb))
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# RAID level validation
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virtual_disk_prop_names.append('RAIDLevel')
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try:
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virtual_disk_prop_values.append(RAID_LEVELS[str(raid_level)])
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except KeyError:
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error_msgs.append("'raid_level' is invalid")
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if disk_name is not None:
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virtual_disk_prop_names.append('VirtualDiskName')
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virtual_disk_prop_values.append(disk_name)
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if span_depth is not None:
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utils.validate_integer_value(span_depth, 'span_depth', error_msgs)
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virtual_disk_prop_names.append('SpanDepth')
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virtual_disk_prop_values.append(str(span_depth))
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if span_length is not None:
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utils.validate_integer_value(span_length, 'span_length',
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error_msgs)
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virtual_disk_prop_names.append('SpanLength')
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virtual_disk_prop_values.append(str(span_length))
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if error_msgs:
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msg = ('The following errors were encountered while parsing '
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'the provided parameters: %r') % ','.join(error_msgs)
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raise exceptions.InvalidParameterValue(reason=msg)
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selectors = {'SystemCreationClassName': 'DCIM_ComputerSystem',
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'CreationClassName': 'DCIM_RAIDService',
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'SystemName': 'DCIM:ComputerSystem',
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'Name': 'DCIM:RAIDService'}
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properties = {'Target': raid_controller,
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'PDArray': physical_disks,
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'VDPropNameArray': virtual_disk_prop_names,
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'VDPropValueArray': virtual_disk_prop_values}
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doc = self.client.invoke(uris.DCIM_RAIDService, 'CreateVirtualDisk',
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selectors, properties,
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expected_return_value=utils.RET_SUCCESS)
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return utils.build_return_dict(doc, uris.DCIM_RAIDService,
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include_commit_required=True,
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is_commit_required_value=True)
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def delete_virtual_disk(self, virtual_disk):
|
|
"""Deletes a virtual disk
|
|
|
|
The deleted virtual disk will be in pending state. For the changes to
|
|
be applied, a config job must be created and the node must be rebooted.
|
|
|
|
:param virtual_disk: id of the virtual disk
|
|
:returns: a dictionary containing:
|
|
- The commit_required key with a boolean value indicating
|
|
whether a config job must be created for the values to be
|
|
applied. This key actually has a value that indicates if
|
|
a reboot is required. This key has been deprecated and
|
|
will be removed in a future release.
|
|
- The is_commit_required key with the value always set to
|
|
True indicating that a config job must be created to
|
|
complete virtual disk deletion.
|
|
- The is_reboot_required key with a RebootRequired enumerated
|
|
value indicating whether the server must be rebooted to
|
|
complete virtual disk deletion.
|
|
:raises: WSManRequestFailure on request failures
|
|
:raises: WSManInvalidResponse when receiving invalid response
|
|
:raises: DRACOperationFailed on error reported back by the DRAC
|
|
interface
|
|
:raises: DRACUnexpectedReturnValue on return value mismatch
|
|
"""
|
|
|
|
selectors = {'SystemCreationClassName': 'DCIM_ComputerSystem',
|
|
'CreationClassName': 'DCIM_RAIDService',
|
|
'SystemName': 'DCIM:ComputerSystem',
|
|
'Name': 'DCIM:RAIDService'}
|
|
properties = {'Target': virtual_disk}
|
|
|
|
doc = self.client.invoke(uris.DCIM_RAIDService, 'DeleteVirtualDisk',
|
|
selectors, properties,
|
|
expected_return_value=utils.RET_SUCCESS)
|
|
|
|
return utils.build_return_dict(doc, uris.DCIM_RAIDService,
|
|
include_commit_required=True,
|
|
is_commit_required_value=True)
|
|
|
|
def is_jbod_capable(self, raid_controller_fqdd):
|
|
"""Find out if raid controller supports jbod
|
|
|
|
:param raid_controller_fqdd: The raid controller's fqdd
|
|
being being checked to see if it is jbod
|
|
capable.
|
|
:raises: DRACRequestFailed if unable to find any disks in the Ready
|
|
or non-RAID states
|
|
:raises: DRACOperationFailed on error reported back by the DRAC
|
|
and the exception message does not contain
|
|
NOT_SUPPORTED_MSG constant
|
|
"""
|
|
is_jbod_capable = False
|
|
|
|
# Grab all the disks associated with the RAID controller
|
|
all_physical_disks = self.list_physical_disks()
|
|
physical_disks = [physical_disk for physical_disk in all_physical_disks
|
|
if physical_disk.controller == raid_controller_fqdd]
|
|
|
|
# If there is a disk in the Non-RAID state, then the controller is JBOD
|
|
# capable
|
|
ready_disk = None
|
|
for physical_disk in physical_disks:
|
|
if physical_disk.raid_status == 'non-RAID':
|
|
is_jbod_capable = True
|
|
break
|
|
elif not ready_disk and physical_disk.raid_status == 'ready':
|
|
ready_disk = physical_disk
|
|
|
|
if not is_jbod_capable:
|
|
if not ready_disk:
|
|
msg = "Unable to find a disk in the Ready state"
|
|
raise exceptions.DRACRequestFailed(msg)
|
|
|
|
# Try moving a disk in the Ready state to JBOD mode
|
|
try:
|
|
self.convert_physical_disks(
|
|
[ready_disk.id],
|
|
False)
|
|
is_jbod_capable = True
|
|
|
|
# Flip the disk back to the Ready state. This results in the
|
|
# pending value being reset to nothing, so it effectively
|
|
# undoes the last command and makes the check non-destructive
|
|
self.convert_physical_disks(
|
|
[ready_disk.id],
|
|
True)
|
|
except exceptions.DRACOperationFailed as ex:
|
|
# Fix for python 3, Exception.message no longer
|
|
# a valid attribute, str(ex) works for both 2.7
|
|
# and 3.x
|
|
if self.NOT_SUPPORTED_MSG in str(ex):
|
|
pass
|
|
else:
|
|
raise
|
|
|
|
return is_jbod_capable
|