Source code for openlmi.storage.LMI_InstalledPartitionTable
# Copyright (C) 2012 Red Hat, Inc. All rights reserved.
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
#
# Authors: Jan Safranek <jsafrane@redhat.com>
# -*- coding: utf-8 -*-
""""
Module for LMI_InstalledPartitionTable class.
LMI_InstalledPartitionTable
---------------------------
.. autoclass:: LMI_InstalledPartitionTable
:members:
"""
import blivet.formats
from openlmi.storage.BaseProvider import BaseProvider
import pywbem
import openlmi.common.cmpi_logging as cmpi_logging
[docs]class LMI_InstalledPartitionTable(BaseProvider):
"""
LMI_InstalledPartitionTable provider implementation.
"""
@cmpi_logging.trace_method
[docs] def __init__(self, *args, **kwargs):
super(LMI_InstalledPartitionTable, self).__init__(*args, **kwargs)
mgr = self.provider_manager
self.capabilities_provider = mgr.get_capabilities_provider_for_class(
"LMI_DiskPartitionConfigurationCapabilities")
@cmpi_logging.trace_method
[docs] def get_instance(self, env, model):
"""
Provider implementation of GetInstance intrinsic method.
"""
device = self.provider_manager.get_device_for_name(model['Antecedent'])
if not device:
raise pywbem.CIMError(pywbem.CIM_ERR_NOT_FOUND,
"Cannot find Antecedent extent.")
capabilities = self.capabilities_provider.get_capabilities_for_device(
device)
if not capabilities:
raise pywbem.CIMError(pywbem.CIM_ERR_NOT_FOUND,
"Cannot find capabilities of the Antecedent extent.")
if model['Dependent']['InstanceID'] != capabilities['InstanceID']:
raise pywbem.CIMError(pywbem.CIM_ERR_NOT_FOUND,
"Capabilities are not associated to Antecedent extent.")
return model
@cmpi_logging.trace_method
[docs] def get_capabilities_name_for_device(self, device):
"""
Return CIMInstanceName of DiskPartitionConfigurationCapabilities
for given device
or None if there is no partition table on the device.
"""
capabilities = self.capabilities_provider.get_capabilities_for_device(
device)
if capabilities:
return self.capabilities_provider.get_name_for_id(
capabilities['InstanceID'])
return None
@cmpi_logging.trace_method
[docs] def enum_instances(self, env, model, keys_only):
"""
Provider implementation of EnumerateInstances intrinsic method.
"""
model.path.update({'Dependent': None, 'Antecedent': None})
for device in self.storage.devices:
fmt_class = blivet.formats.disklabel.DiskLabel
if device.format and isinstance(device.format, fmt_class):
model['Antecedent'] = self.provider_manager.get_name_for_device(
device)
model['Dependent'] = self.get_capabilities_name_for_device(
device)
yield model
@cmpi_logging.trace_method
[docs] def references(self, env, object_name, model, result_class_name, role,
result_role, keys_only):
"""Instrument Associations."""
return self.simple_references(env, object_name, model,
result_class_name, role, result_role, keys_only,
"CIM_StorageExtent",
"CIM_DiskPartitionConfigurationCapabilities")