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# -*- encoding: utf-8 -*-
# Software Management Providers
#
# Copyright (C) 2012-2013 Red Hat, Inc. All rights reserved.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
"""
Just a common functionality related to AffectedSoftwareJobElement provider.
"""
import pywbem
from openlmi.common import cmpi_logging
from openlmi.software import util
from openlmi.software.core import ComputerSystem
from openlmi.software.core import Identity
from openlmi.software.core import InstallationJob
from openlmi.software.core import SystemCollection
from openlmi.software.yumdb import jobs
from openlmi.software.yumdb import PackageInfo
class Values(object):
class ElementEffects(object):
Unknown = pywbem.Uint16(0)
Other = pywbem.Uint16(1)
Exclusive_Use = pywbem.Uint16(2)
Performance_Impact = pywbem.Uint16(3)
Element_Integrity = pywbem.Uint16(4)
Create = pywbem.Uint16(5)
_reverse_map = {
0: 'Unknown',
1: 'Other',
2: 'Exclusive Use',
3: 'Performance Impact',
4: 'Element Integrity',
5: 'Create'
}
@cmpi_logging.trace_function
def check_path(env, op):
"""
Checks, whether object path is valid.
@return affected object path
"""
if not isinstance(op, pywbem.CIMInstanceName):
raise TypeError("op must be a CIMInstanceName")
ch = env.get_cimom_handle()
job = op['AffectingElement'] = InstallationJob.object_path2job(
op['AffectingElement'])
affected = op['AffectedElement']
if ch.is_subclass(affected.namespace, sub=affected.classname,
super='LMI_SoftwareIdentity'):
pkg_info = Identity.object_path2pkg(affected, kind='all')
if isinstance(job, jobs.YumSpecificPackageJob):
if isinstance(job.pkg, PackageInfo):
if pkg_info != job.pkg:
raise pywbem.CIMError(pywbem.CIM_ERR_NOT_FOUND,
"AffectedElement does not match job's package:"
" \"%s\" != \"%s\"." % (pkg_info, job.pkg))
else:
flt = pkg_info.key_props
flt.pop('repoid', None)
if util.nevra2filter(job.pkg) != flt:
raise pywbem.CIMError(pywbem.CIM_ERR_NOT_FOUND,
"AffectedElement does not match job's package:"
" \"%s\" != \"%s\"." % (pkg_info, job.pkg))
affected = Identity.pkg2model(pkg_info)
elif isinstance(job, jobs.YumInstallPackageFromURI):
if job.state == job.COMPLETED:
affected = Identity.pkg2model(job.result_data)
else:
# TODO: this should be somehow obtained from from downloaded
# package before installation
raise pywbem.CIMError(pywbem.CIM_ERR_NOT_FOUND,
"No SoftwareIdentity is associated to given job.")
else:
cmpi_logging.logger.error("Unsupported async job: %s", job)
raise pywbem.CIMError(pywbem.CIM_ERR_NOT_FOUND,
"No associated SoftwareIdentity.")
elif ch.is_subclass(affected.namespace, sub=affected.classname,
super='LMI_SystemSoftwareCollection'):
SystemCollection.check_path(env, affected, "AffectedElement")
affected = SystemCollection.get_path()
elif ch.is_subclass(affected.namespace, sub=affected.classname,
super='Linux_ComputerSystem'):
ComputerSystem.check_path(env, affected, "AffectedElement")
affected = ComputerSystem.get_path()
else:
raise pywbem.CIMError(pywbem.CIM_ERR_INVALID_PARAMETER,
"Expected an instance of LMI_SoftwareIdentity,"
" LMI_SystemSoftwareCollection or Linux_ComputerSystem.")
return (job, affected)
@cmpi_logging.trace_function
def job2affected_software_identity(job):
"""
@return (path of SoftwareIdentity, ElementEffects array,
OtherElementEffectsDescriptions array)
"""
effects = [Values.ElementEffects.Other]
descriptions = []
if isinstance(job, jobs.YumSpecificPackageJob):
if job.state == job.COMPLETED and job.result_data:
affected = Identity.pkg2model(job.result_data)
else:
affected = Identity.pkg2model(job.pkg)
if isinstance(job, jobs.YumInstallPackage):
descriptions.append("Installing")
elif isinstance(job, jobs.YumRemovePackage):
descriptions.append("Removing")
elif isinstance(job,
(jobs.YumUpdatePackage, jobs.YumUpdateToPackage)):
descriptions.append("Updating")
elif isinstance(job, jobs.YumCheckPackage):
descriptions.append("Checking")
else:
descriptions.append("Modifying")
cmpi_logging.logger.error("Unhandled job: %s", job)
elif isinstance(job, jobs.YumInstallPackageFromURI):
if job.state == job.COMPLETED:
affected = Identity.pkg2model(job.result_data)
descriptions.append("Installing")
else:
# TODO: this should be somehow obtained from from downloaded
# package before installation
raise pywbem.CIMError(pywbem.CIM_ERR_NOT_FOUND,
"No SoftwareIdentity is associated to given job.")
else:
cmpi_logging.logger.error("Unsupported async job: %s", job)
raise pywbem.CIMError(pywbem.CIM_ERR_NOT_FOUND,
"No associated SoftwareIdentity.")
return (affected, effects, descriptions)
@cmpi_logging.trace_function
def fill_model_computer_system(model, job, keys_only=True):
"""
Fills model's AffectedElement and all non-key properties.
"""
model["AffectedElement"] = ComputerSystem.get_path()
if not keys_only:
model["ElementEffects"] = [Values.ElementEffects.Other]
description = "Modifying software collection."
if isinstance(job, (jobs.YumInstallPackage,
jobs.YumInstallPackageFromURI)):
description = "Installing software package to collection."
elif isinstance(job, jobs.YumRemovePackage):
description = "Removing package from software collection."
elif isinstance(job, (jobs.YumUpdatePackage, jobs.YumUpdateToPackage)):
description = "Updating software package."
model["OtherElementEffectsDescriptions"] = [description]
return model
@cmpi_logging.trace_function
def fill_model_system_collection(model, keys_only=True):
"""
Fills model's AffectedElement and all non-key properties.
"""
model["AffectedElement"] = SystemCollection.get_path()
if not keys_only:
model["ElementEffects"] = [Values.ElementEffects.Exclusive_Use]
model["OtherElementEffectsDescriptions"] = [
"Package database is locked."
]
return model
@cmpi_logging.trace_function
def generate_models_from_job(job, keys_only=True, model=None):
"""
Generates all associations between job and affected elements.
"""
if not isinstance(job, jobs.YumJob):
raise TypeError("pkg must be an instance of PackageInfo or nevra")
if model is None:
model = pywbem.CIMInstanceName("LMI_AffectedSoftwareJobElement",
namespace="root/cimv2")
if not keys_only:
model = pywbem.CIMInstance("LMI_AffectedSoftwareJobElement",
path=model)
model["AffectingElement"] = InstallationJob.job2model(job)
(si, element_effects, element_effects_descriptions) = \
job2affected_software_identity(job)
model["AffectedElement"] = si
if not keys_only:
model["ElementEffects"] = element_effects
model["OtherElementEffectsDescriptions"] = \
element_effects_descriptions
yield model
fill_model_system_collection(model, keys_only=keys_only)
yield model
fill_model_computer_system(model, job, keys_only=keys_only)
yield model
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