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# -*- encoding: utf-8 -*-
# Software Management Providers
#
# Copyright (C) 2012-2014 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
"""Python Provider for LMI_SoftwareMethodResult
Instruments the CIM class LMI_SoftwareMethodResult
"""
import pywbem
from pywbem.cim_provider2 import CIMProvider2
from lmi.providers import cmpi_logging
from lmi.software.core import MethodResult
from lmi.software.yumdb import YumDB
class LMI_SoftwareMethodResult(CIMProvider2):
"""Instrument the CIM class LMI_SoftwareMethodResult
Jobs are sometimes used to represent extrinsic method invocations that
execute for times longer than the length of time is reasonable to
require a client to wait. The method executing continues beyond the
method return to the client. The class provides the result of the
execution of a Job that was itself started by the side-effect of this
extrinsic method invocation. The indication instances embedded an
instance of this class shall be the same indications delivered to
listening clients or recorded, all or in part, to logs. Basically,
this approach is a corollary to the functionality provided by an
instance of ListenerDestinationLog (as defined in the Interop Model).
The latter provides a comprehensive, persistent mechanism for
recording Job results, but is also more resource-intensive and
requires supporting logging functionality. Both the extra resources
and logging may not be available in all environments (for example,
embedded environments). Therefore, this instance-based approach is
also provided. The MethodResult instances shall not exist after the
associated ConcreteJob is deleted.
"""
def __init__(self, _env):
pass
@cmpi_logging.trace_method
def get_instance(self, env, model):
"""Return an instance.
Keyword arguments:
env -- Provider Environment (pycimmb.ProviderEnvironment)
model -- A template of the pywbem.CIMInstance to be returned. The
key properties are set on this instance to correspond to the
instanceName that was requested. The properties of the model
are already filtered according to the PropertyList from the
request. Only properties present in the model need to be
given values. If you prefer, you can set all of the
values, and the instance will be filtered for you.
Possible Errors:
CIM_ERR_ACCESS_DENIED
CIM_ERR_INVALID_PARAMETER (including missing, duplicate, unrecognized
or otherwise incorrect parameters)
CIM_ERR_NOT_FOUND (the CIM Class does exist, but the requested CIM
Instance does not exist in the specified namespace)
CIM_ERR_FAILED (some other unspecified error occurred)
"""
job = MethodResult.object_path2job(model.path)
return MethodResult.job2model(env, job, keys_only=False, model=model)
@cmpi_logging.trace_method
def enum_instances(self, env, model, keys_only):
"""Enumerate instances.
The WBEM operations EnumerateInstances and EnumerateInstanceNames
are both mapped to this method.
This method is a python generator
Keyword arguments:
env -- Provider Environment (pycimmb.ProviderEnvironment)
model -- A template of the pywbem.CIMInstances to be generated.
The properties of the model are already filtered according to
the PropertyList from the request. Only properties present in
the model need to be given values. If you prefer, you can
always set all of the values, and the instance will be filtered
for you.
keys_only -- A boolean. True if only the key properties should be
set on the generated instances.
Possible Errors:
CIM_ERR_FAILED (some other unspecified error occurred)
"""
# Prime model.path with knowledge of the keys, so key values on
# the CIMInstanceName (model.path) will automatically be set when
# we set property values on the model.
model.path.update({'InstanceID': None})
for job in YumDB.get_instance().get_job_list():
yield MethodResult.job2model(env, job,
keys_only=keys_only, model=model)
@cmpi_logging.trace_method
def set_instance(self, env, instance, modify_existing):
"""Return a newly created or modified instance.
Keyword arguments:
env -- Provider Environment (pycimmb.ProviderEnvironment)
instance -- The new pywbem.CIMInstance. If modifying an existing
instance, the properties on this instance have been filtered by
the PropertyList from the request.
modify_existing -- True if ModifyInstance, False if CreateInstance
Return the new instance. The keys must be set on the new instance.
Possible Errors:
CIM_ERR_ACCESS_DENIED
CIM_ERR_NOT_SUPPORTED
CIM_ERR_INVALID_PARAMETER (including missing, duplicate, unrecognized
or otherwise incorrect parameters)
CIM_ERR_ALREADY_EXISTS (the CIM Instance already exists -- only
valid if modify_existing is False, indicating that the operation
was CreateInstance)
CIM_ERR_NOT_FOUND (the CIM Instance does not exist -- only valid
if modify_existing is True, indicating that the operation
was ModifyInstance)
CIM_ERR_FAILED (some other unspecified error occurred)
"""
raise pywbem.CIMError(pywbem.CIM_ERR_NOT_SUPPORTED)
@cmpi_logging.trace_method
def delete_instance(self, env, instance_name):
"""Delete an instance.
Keyword arguments:
env -- Provider Environment (pycimmb.ProviderEnvironment)
instance_name -- A pywbem.CIMInstanceName specifying the instance
to delete.
Possible Errors:
CIM_ERR_ACCESS_DENIED
CIM_ERR_NOT_SUPPORTED
CIM_ERR_INVALID_NAMESPACE
CIM_ERR_INVALID_PARAMETER (including missing, duplicate, unrecognized
or otherwise incorrect parameters)
CIM_ERR_INVALID_CLASS (the CIM Class does not exist in the specified
namespace)
CIM_ERR_NOT_FOUND (the CIM Class does exist, but the requested CIM
Instance does not exist in the specified namespace)
CIM_ERR_FAILED (some other unspecified error occurred)
"""
raise pywbem.CIMError(pywbem.CIM_ERR_NOT_SUPPORTED)
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