Source code for openlmi.storage.LMI_HostedFileSystem

# Copyright (C) 2013 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_HostedFileSystem class.

LMI_HostedFileSystem
--------------------

.. autoclass:: LMI_HostedFileSystem
    :members:

"""

from openlmi.storage.BaseProvider import BaseProvider
import pywbem
import openlmi.common.cmpi_logging as cmpi_logging
from openlmi.storage.LocalFileSystemProvider import LocalFileSystemProvider

[docs]class LMI_HostedFileSystem(BaseProvider): """ Implementation of LMI_HostedFileSystem provider. """ @cmpi_logging.trace_method
[docs] def __init__(self, *args, **kwargs): super(LMI_HostedFileSystem, self).__init__(*args, **kwargs)
@cmpi_logging.trace_method
[docs] def get_instance(self, env, model): """ Provider implementation of GetInstance intrinsic method. """ # just check keys system = model['GroupComponent'] if (system['CreationClassName'] != self.config.system_class_name or system['Name'] != self.config.system_name): raise pywbem.CIMError(pywbem.CIM_ERR_NOT_FOUND, "Wrong GroupComponent keys.") fmtname = model['PartComponent'] fmtprovider = self.provider_manager.get_provider_for_format_name( fmtname) if not fmtprovider: raise pywbem.CIMError(pywbem.CIM_ERR_NOT_FOUND, "The PartComponent device has unknown format.") if not isinstance(fmtprovider, LocalFileSystemProvider): raise pywbem.CIMError(pywbem.CIM_ERR_NOT_FOUND, "The PartComponent is not a filesystem.") (device, fmt) = fmtprovider.get_format_for_name(fmtname) if not fmt or not device: raise pywbem.CIMError(pywbem.CIM_ERR_NOT_FOUND, "The PartComponent not found.") return model
@cmpi_logging.trace_method
[docs] def enum_instances(self, env, model, keys_only): """ Provider implementation of EnumerateInstances intrinsic method. """ model.path.update({'GroupComponent': None, 'PartComponent': None}) for device in self.storage.devices: fmt = device.format if not fmt or not fmt.type: continue provider = self.provider_manager.get_provider_for_format( device, fmt) if not provider: continue # we're interested only in filesystems, not data formats if not isinstance(provider, LocalFileSystemProvider): continue model['GroupComponent'] = pywbem.CIMInstanceName( classname=self.config.system_class_name, namespace=self.config.namespace, keybindings={ 'CreationClassName' : self.config.system_class_name, 'Name' : self.config.system_name, }) model['PartComponent'] = provider.get_name_for_format(device, fmt) 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, "LMI_LocalFileSystem", "CIM_System")