You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
125 lines
4.1 KiB
125 lines
4.1 KiB
# mdraid.py
|
|
# Device format classes for anaconda's storage configuration module.
|
|
#
|
|
# Copyright (C) 2009 Red Hat, Inc.
|
|
#
|
|
# This copyrighted material is made available to anyone wishing to use,
|
|
# modify, copy, or redistribute it subject to the terms and conditions of
|
|
# the GNU General Public License v.2, or (at your option) any later version.
|
|
# This program is distributed in the hope that it will be useful, but WITHOUT
|
|
# ANY WARRANTY expressed or implied, including the implied warranties 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, write to the
|
|
# Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
|
|
# 02110-1301, USA. Any Red Hat trademarks that are incorporated in the
|
|
# source code or documentation are not subject to the GNU General Public
|
|
# License and may only be used or replicated with the express permission of
|
|
# Red Hat, Inc.
|
|
#
|
|
# Red Hat Author(s): Dave Lehman <dlehman@redhat.com>
|
|
#
|
|
|
|
import os
|
|
|
|
from ..storage_log import log_method_call
|
|
from flags import flags
|
|
from parted import PARTITION_RAID
|
|
from ..errors import *
|
|
from ..devicelibs import mdraid
|
|
from . import DeviceFormat, register_device_format
|
|
|
|
import gettext
|
|
_ = lambda x: gettext.ldgettext("anaconda", x)
|
|
|
|
import logging
|
|
log = logging.getLogger("storage")
|
|
|
|
|
|
class MDRaidMember(DeviceFormat):
|
|
""" An mdraid member disk. """
|
|
_type = "mdmember"
|
|
_name = "software RAID"
|
|
_udevTypes = ["linux_raid_member"]
|
|
partedFlag = PARTITION_RAID
|
|
_formattable = True # can be formatted
|
|
_supported = True # is supported
|
|
_linuxNative = True # for clearpart
|
|
_packages = ["mdadm"] # required packages
|
|
|
|
def __init__(self, *args, **kwargs):
|
|
""" Create a MDRaidMember instance.
|
|
|
|
Keyword Arguments:
|
|
|
|
device -- path to underlying device
|
|
uuid -- this member device's uuid
|
|
mdUuid -- the uuid of the array this device belongs to
|
|
exists -- indicates whether this is an existing format
|
|
|
|
"""
|
|
log_method_call(self, *args, **kwargs)
|
|
DeviceFormat.__init__(self, *args, **kwargs)
|
|
self.mdUuid = kwargs.get("mdUuid")
|
|
self.raidMinor = None
|
|
|
|
#self.probe()
|
|
self.biosraid = False
|
|
|
|
def __str__(self):
|
|
s = DeviceFormat.__str__(self)
|
|
s += (" mdUUID = %(mdUUID)s biosraid = %(biosraid)s" %
|
|
{"mdUUID": self.mdUuid, "biosraid": self.biosraid})
|
|
return s
|
|
|
|
@property
|
|
def dict(self):
|
|
d = super(MDRaidMember, self).dict
|
|
d.update({"mdUUID": self.mdUuid, "biosraid": self.biosraid})
|
|
return d
|
|
|
|
def probe(self):
|
|
""" Probe for any missing information about this format. """
|
|
log_method_call(self, device=self.device,
|
|
type=self.type, status=self.status)
|
|
if not self.exists:
|
|
raise MDMemberError("format does not exist")
|
|
|
|
info = mdraid.mdexamine(self.device)
|
|
if self.uuid is None:
|
|
self.uuid = info['uuid']
|
|
if self.raidMinor is None:
|
|
self.raidMinor = info['mdMinor']
|
|
|
|
def destroy(self, *args, **kwargs):
|
|
if not self.exists:
|
|
raise MDMemberError("format does not exist")
|
|
|
|
if not os.access(self.device, os.W_OK):
|
|
raise MDMemberError("device path does not exist")
|
|
|
|
mdraid.mddestroy(self.device)
|
|
self.exists = False
|
|
|
|
@property
|
|
def status(self):
|
|
# XXX hack -- we don't have a nice way to see if the array is active
|
|
return False
|
|
|
|
@property
|
|
def hidden(self):
|
|
return (self._hidden or self.biosraid)
|
|
|
|
def writeKS(self, f):
|
|
f.write("raid.%s" % self.mdUuid)
|
|
|
|
# nodmraid -> Wether to use BIOS RAID or not
|
|
# Note the anaconda cmdline has not been parsed yet when we're first imported,
|
|
# so we can not use flags.dmraid here
|
|
if not flags.cmdline.has_key("noiswmd") and \
|
|
not flags.cmdline.has_key("nodmraid"):
|
|
MDRaidMember._udevTypes.append("isw_raid_member")
|
|
|
|
register_device_format(MDRaidMember)
|
|
|