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from __future__ import print_function, division, absolute_import
#
# Get the right platform specific provider or a null provider
#
# Copyright (c) 2010-2016 Red Hat, Inc.
#
# This software is licensed to you under the GNU General Public License,
# version 2 (GPLv2). There is NO WARRANTY for this software, express or
# implied, including the implied warranties of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. You should have received a copy of GPLv2
# along with this software; if not, see
# http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
#
# Red Hat trademarks are not licensed under GPLv2. No permission is
# granted to use or replicate Red Hat trademarks that are incorporated
# in this software or its documentation.
#
import logging
from rhsmlib.facts import dmiinfo
from rhsmlib.facts import collector
ARCHES_WITHOUT_DMI = ["ppc64", "ppc64le", "s390x"]
log = logging.getLogger(__name__)
# This doesn't really do anything other than provide a null/noop provider for
# non-DMI platforms.
class NullFirmwareInfoCollector(object):
"""Default provider for platform without a specific platform info provider.
ie, all platforms except those with DMI (ie, intel platforms)"""
def __init__(self, *args, **kwargs):
self.info = {}
def get_all(self):
return self.info
class FirmwareCollector(collector.FactsCollector):
def __init__(self, prefix=None, testing=None, collected_hw_info=None):
super(FirmwareCollector, self).__init__(
prefix=prefix,
testing=testing,
collected_hw_info=collected_hw_info
)
def get_firmware_info(self):
"""Read and parse data that comes from platform specific interfaces.
This is only dmi/smbios data for now (which isn't on ppc/s390).
"""
firmware_info_collector = get_firmware_collector(
arch=self.arch,
prefix=self.prefix,
testing=self.testing
)
# Pass in collected hardware so DMI etc can potentially override it
firmware_info_dict = firmware_info_collector.get_all()
# This can potentially clobber facts that already existed in self.allhw
# (and is supposed to).
return firmware_info_dict
def get_all(self):
virt_info = {}
firmware_info = self.get_firmware_info()
virt_info.update(firmware_info)
return virt_info
# TODO/FIXME: As a first pass, move dmi and the generic firmware code here,
# even though with kernels with sysfs dmi support, and a recent
# version of dmidecode (> 3.0), most of the dmi info is readable
# by a user. However, the system-uuid is not readable by a user,
# and that is pretty much the only thing from DMI we care about,
def get_firmware_collector(arch, prefix=None, testing=None,
collected_hw_info=None):
"""
Return a class that can be used to get firmware info specific to
this systems platform.
ie, DmiFirmwareInfoProvider on intel platforms, and a
NullFirmwareInfoProvider otherwise.
"""
# we could potential consider /proc/sysinfo as a FirmwareInfoProvider
# but at the moment, it is just firmware/dmi stuff.
if arch in ARCHES_WITHOUT_DMI:
log.debug("Not looking for DMI info since it is not available on '%s'" % arch)
firmware_provider_class = NullFirmwareInfoCollector
else:
try:
import dmidecode # noqa
firmware_provider_class = dmiinfo.DmiFirmwareInfoCollector
except:
firmware_provider_class = NullFirmwareInfoCollector
firmware_provider = firmware_provider_class(
prefix=prefix,
testing=testing,
collected_hw_info=collected_hw_info
)
return firmware_provider