1 |
charliebrady |
1.1 |
# mdraid.py |
2 |
|
|
# Device format classes for anaconda's storage configuration module. |
3 |
|
|
# |
4 |
|
|
# Copyright (C) 2009 Red Hat, Inc. |
5 |
|
|
# |
6 |
|
|
# This copyrighted material is made available to anyone wishing to use, |
7 |
|
|
# modify, copy, or redistribute it subject to the terms and conditions of |
8 |
|
|
# the GNU General Public License v.2, or (at your option) any later version. |
9 |
|
|
# This program is distributed in the hope that it will be useful, but WITHOUT |
10 |
|
|
# ANY WARRANTY expressed or implied, including the implied warranties of |
11 |
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General |
12 |
|
|
# Public License for more details. You should have received a copy of the |
13 |
|
|
# GNU General Public License along with this program; if not, write to the |
14 |
|
|
# Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
15 |
|
|
# 02110-1301, USA. Any Red Hat trademarks that are incorporated in the |
16 |
|
|
# source code or documentation are not subject to the GNU General Public |
17 |
|
|
# License and may only be used or replicated with the express permission of |
18 |
|
|
# Red Hat, Inc. |
19 |
|
|
# |
20 |
|
|
# Red Hat Author(s): Dave Lehman <dlehman@redhat.com> |
21 |
|
|
# |
22 |
|
|
|
23 |
|
|
import os |
24 |
|
|
|
25 |
|
|
from ..storage_log import log_method_call |
26 |
|
|
from flags import flags |
27 |
|
|
from parted import PARTITION_RAID |
28 |
|
|
from ..errors import * |
29 |
|
|
from ..devicelibs import mdraid |
30 |
|
|
from . import DeviceFormat, register_device_format |
31 |
|
|
|
32 |
|
|
import gettext |
33 |
|
|
_ = lambda x: gettext.ldgettext("anaconda", x) |
34 |
|
|
|
35 |
|
|
import logging |
36 |
|
|
log = logging.getLogger("storage") |
37 |
|
|
|
38 |
|
|
|
39 |
|
|
class MDRaidMember(DeviceFormat): |
40 |
|
|
""" An mdraid member disk. """ |
41 |
|
|
_type = "mdmember" |
42 |
|
|
_name = "software RAID" |
43 |
|
|
_udevTypes = ["linux_raid_member"] |
44 |
|
|
partedFlag = PARTITION_RAID |
45 |
|
|
_formattable = True # can be formatted |
46 |
|
|
_supported = True # is supported |
47 |
|
|
_linuxNative = True # for clearpart |
48 |
|
|
_packages = ["mdadm"] # required packages |
49 |
|
|
|
50 |
|
|
def __init__(self, *args, **kwargs): |
51 |
|
|
""" Create a MDRaidMember instance. |
52 |
|
|
|
53 |
|
|
Keyword Arguments: |
54 |
|
|
|
55 |
|
|
device -- path to underlying device |
56 |
|
|
uuid -- this member device's uuid |
57 |
|
|
mdUuid -- the uuid of the array this device belongs to |
58 |
|
|
exists -- indicates whether this is an existing format |
59 |
|
|
|
60 |
|
|
""" |
61 |
|
|
log_method_call(self, *args, **kwargs) |
62 |
|
|
DeviceFormat.__init__(self, *args, **kwargs) |
63 |
|
|
self.mdUuid = kwargs.get("mdUuid") |
64 |
|
|
self.raidMinor = None |
65 |
|
|
|
66 |
|
|
#self.probe() |
67 |
|
|
self.biosraid = kwargs.get("biosraid") |
68 |
|
|
|
69 |
|
|
def __str__(self): |
70 |
|
|
s = DeviceFormat.__str__(self) |
71 |
|
|
s += (" mdUUID = %(mdUUID)s biosraid = %(biosraid)s" % |
72 |
|
|
{"mdUUID": self.mdUuid, "biosraid": self.biosraid}) |
73 |
|
|
return s |
74 |
|
|
|
75 |
|
|
@property |
76 |
|
|
def dict(self): |
77 |
|
|
d = super(MDRaidMember, self).dict |
78 |
|
|
d.update({"mdUUID": self.mdUuid, "biosraid": self.biosraid}) |
79 |
|
|
return d |
80 |
|
|
|
81 |
|
|
def probe(self): |
82 |
|
|
""" Probe for any missing information about this format. """ |
83 |
|
|
log_method_call(self, device=self.device, |
84 |
|
|
type=self.type, status=self.status) |
85 |
|
|
if not self.exists: |
86 |
|
|
raise MDMemberError("format does not exist") |
87 |
|
|
|
88 |
|
|
info = mdraid.mdexamine(self.device) |
89 |
|
|
if self.uuid is None: |
90 |
|
|
self.uuid = info['uuid'] |
91 |
|
|
if self.raidMinor is None: |
92 |
|
|
self.raidMinor = info['mdMinor'] |
93 |
|
|
|
94 |
|
|
def destroy(self, *args, **kwargs): |
95 |
|
|
if not self.exists: |
96 |
|
|
raise MDMemberError("format does not exist") |
97 |
|
|
|
98 |
|
|
if not os.access(self.device, os.W_OK): |
99 |
|
|
raise MDMemberError("device path does not exist") |
100 |
|
|
|
101 |
|
|
mdraid.mddestroy(self.device) |
102 |
|
|
self.exists = False |
103 |
|
|
|
104 |
|
|
@property |
105 |
|
|
def status(self): |
106 |
|
|
# XXX hack -- we don't have a nice way to see if the array is active |
107 |
|
|
return False |
108 |
|
|
|
109 |
|
|
@property |
110 |
|
|
def hidden(self): |
111 |
|
|
return (self._hidden or self.biosraid) |
112 |
|
|
|
113 |
|
|
def writeKS(self, f): |
114 |
|
|
f.write("raid.%s" % self.majorminor) |
115 |
|
|
|
116 |
|
|
# nodmraid -> Wether to use BIOS RAID or not |
117 |
|
|
# Note the anaconda cmdline has not been parsed yet when we're first imported, |
118 |
|
|
# so we can not use flags.dmraid here |
119 |
|
|
if not flags.cmdline.has_key("noiswmd") and \ |
120 |
|
|
not flags.cmdline.has_key("nodmraid"): |
121 |
|
|
MDRaidMember._udevTypes.append("isw_raid_member") |
122 |
|
|
|
123 |
|
|
register_device_format(MDRaidMember) |
124 |
|
|
|