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charliebrady |
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# dmraid.py |
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# dmraid device formats |
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# Copyright (C) 2009 Red Hat, Inc. |
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# |
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# This copyrighted material is made available to anyone wishing to use, |
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# modify, copy, or redistribute it subject to the terms and conditions of |
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# the GNU General Public License v.2, or (at your option) any later version. |
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# This program is distributed in the hope that it will be useful, but WITHOUT |
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# ANY WARRANTY expressed or implied, including the implied warranties of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General |
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# Public License for more details. You should have received a copy of the |
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# GNU General Public License along with this program; if not, write to the |
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# Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
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# 02110-1301, USA. Any Red Hat trademarks that are incorporated in the |
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# source code or documentation are not subject to the GNU General Public |
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# License and may only be used or replicated with the express permission of |
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# Red Hat, Inc. |
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# |
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# Red Hat Author(s): Dave Lehman <dlehman@redhat.com> |
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# |
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from ..storage_log import log_method_call |
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from flags import flags |
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from ..errors import * |
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from . import DeviceFormat, register_device_format |
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import gettext |
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_ = lambda x: gettext.ldgettext("anaconda", x) |
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import logging |
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log = logging.getLogger("storage") |
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class DMRaidMember(DeviceFormat): |
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""" A dmraid member disk. """ |
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_type = "dmraidmember" |
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_name = "dm-raid member device" |
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# XXX This looks like trouble. |
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# |
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# Maybe a better approach is a RaidMember format with subclass |
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# for MDRaidMember, letting all *_raid_member types fall through |
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# to the generic RaidMember format, which is basically read-only. |
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# |
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# One problem that presents is the possibility of someone passing |
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# a dmraid member to the MDRaidArrayDevice constructor. |
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_udevTypes = ["adaptec_raid_member", "ddf_raid_member", |
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"hpt37x_raid_member", "hpt45x_raid_member", |
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"isw_raid_member", |
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"jmicron_raid_member", "lsi_mega_raid_member", |
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"nvidia_raid_member", "promise_fasttrack_raid_member", |
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"silicon_medley_raid_member", "via_raid_member"] |
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_formattable = False # can be formatted |
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_supported = True # is supported |
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_linuxNative = False # for clearpart |
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_packages = ["dmraid"] # required packages |
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_resizable = False # can be resized |
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_bootable = False # can be used as boot |
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_maxSize = 0 # maximum size in MB |
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_minSize = 0 # minimum size in MB |
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_hidden = True # hide devices with this formatting? |
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def __init__(self, *args, **kwargs): |
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""" Create a DeviceFormat instance. |
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Keyword Arguments: |
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device -- path to the underlying device |
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uuid -- this format's UUID |
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exists -- indicates whether this is an existing format |
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On initialization this format is like DeviceFormat |
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""" |
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log_method_call(self, *args, **kwargs) |
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DeviceFormat.__init__(self, *args, **kwargs) |
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# Initialize the attribute that will hold the block object. |
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self._raidmem = None |
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def __str__(self): |
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s = DeviceFormat.__str__(self) |
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s += (" raidmem = %(raidmem)r" % {"raidmem": self.raidmem}) |
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return s |
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def _getRaidmem(self): |
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return self._raidmem |
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def _setRaidmem(self, raidmem): |
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self._raidmem = raidmem |
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raidmem = property(lambda d: d._getRaidmem(), |
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lambda d,r: d._setRaidmem(r)) |
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def create(self, *args, **kwargs): |
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log_method_call(self, device=self.device, |
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type=self.type, status=self.status) |
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raise DMRaidMemberError("creation of dmraid members is non-sense") |
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def destroy(self, *args, **kwargs): |
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log_method_call(self, device=self.device, |
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type=self.type, status=self.status) |
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raise DMRaidMemberError("destruction of dmraid members is non-sense") |
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if not flags.cmdline.has_key("noiswmd"): |
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DMRaidMember._udevTypes.remove("isw_raid_member") |
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# The anaconda cmdline has not been parsed yet when we're first imported, |
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# so we can not use flags.dmraid here |
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if flags.cmdline.has_key("nodmraid"): |
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DMRaidMember._udevTypes = [] |
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register_device_format(DMRaidMember) |
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