pykickstart/commands/volgroup.py

   1 #
   2 # Chris Lumens <clumens@redhat.com>
   3 #
   4 # Copyright 2005, 2006, 2007, 2012, 2013 Red Hat, Inc.
   5 #
   6 # This copyrighted material is made available to anyone wishing to use, modify,
   7 # copy, or redistribute it subject to the terms and conditions of the GNU
   8 # General Public License v.2.  This program is distributed in the hope that it
   9 # will be useful, but WITHOUT ANY WARRANTY expressed or implied, including the
  10 # implied warranties of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  11 # See the GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License along with
  14 # this program; if not, write to the Free Software Foundation, Inc., 51
  15 # Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  Any Red Hat
  16 # trademarks that are incorporated in the source code or documentation are not
  17 # subject to the GNU General Public License and may only be used or replicated
  18 # with the express permission of Red Hat, Inc.
  19 #
  20 from pykickstart.base import BaseData, KickstartCommand
  21 from pykickstart.errors import KickstartParseError, KickstartValueError, formatErrorMsg
  22 from pykickstart.options import KSOptionParser
  23
  24 import gettext
  25 import warnings
  26 _ = lambda x: gettext.ldgettext("pykickstart", x)
  27
  28 class FC3_VolGroupData(BaseData):
  29     removedKeywords = BaseData.removedKeywords
  30     removedAttrs = BaseData.removedAttrs
  31
  32     def __init__(self, *args, **kwargs):
  33         BaseData.__init__(self, *args, **kwargs)
  34         self.format = kwargs.get("format", True)
  35         self.pesize = kwargs.get("pesize", 32768)
  36         self.preexist = kwargs.get("preexist", False)
  37         self.vgname = kwargs.get("vgname", "")
  38         self.physvols = kwargs.get("physvols", [])
  39
  40     def __eq__(self, y):
  41         if not y:
  42             return False
  43
  44         return self.vgname == y.vgname
  45
  46     def __ne__(self, y):
  47         return not self == y
  48
  49     def _getArgsAsStr(self):
  50         retval = ""
  51         if not self.format:
  52             retval += " --noformat"
  53         if self.pesize != 0:
  54             retval += " --pesize=%d" % self.pesize
  55         if self.preexist:
  56             retval += " --useexisting"
  57
  58         return retval
  59
  60     def __str__(self):
  61         retval = BaseData.__str__(self)
  62         retval += "volgroup %s" % self.vgname
  63         retval += self._getArgsAsStr()
  64
  65         # Do not output the physical volumes list if --preexist was passed in.
  66         # This would be invalid input according to the parse method.
  67         if not self.preexist:
  68             retval += " " + " ".join(self.physvols)
  69
  70         return retval.strip() + "\n"
  71
  72 class FC16_VolGroupData(FC3_VolGroupData):
  73     def __init__(self, *args, **kwargs):
  74         FC3_VolGroupData.__init__(self, *args, **kwargs)
  75         self.reserved_space = kwargs.get("reserved-space", 0)
  76         self.reserved_percent = kwargs.get("reserved-percent", 0)
  77
  78     def _getArgsAsStr(self):
  79         retval = FC3_VolGroupData._getArgsAsStr(self)
  80         if self.reserved_space > 0:
  81             retval += " --reserved-space=%d" % self.reserved_space
  82         if self.reserved_percent > 0:
  83             retval += " --reserved-percent=%d" % self.reserved_percent
  84
  85         return retval
  86
  87 class F21_VolGroupData(FC16_VolGroupData):
  88     def __init__(self, *args, **kwargs):
  89         FC16_VolGroupData.__init__(self, *args, **kwargs)
  90         self.pesize = kwargs.get("pesize", 0)
  91
  92 class FC3_VolGroup(KickstartCommand):
  93     removedKeywords = KickstartCommand.removedKeywords
  94     removedAttrs = KickstartCommand.removedAttrs
  95
  96     def __init__(self, writePriority=132, *args, **kwargs):
  97         KickstartCommand.__init__(self, writePriority, *args, **kwargs)
  98         self.op = self._getParser()
  99
 100         self.vgList = kwargs.get("vgList", [])
 101
 102     def __str__(self):
 103         retval = ""
 104         for vg in self.vgList:
 105             retval += vg.__str__()
 106
 107         return retval
 108
 109     def _getParser(self):
 110         # Have to be a little more complicated to set two values.
 111         def vg_cb (option, opt_str, value, parser):
 112             parser.values.format = False
 113             parser.values.preexist = True
 114
 115         op = KSOptionParser()
 116         op.add_option("--noformat", action="callback", callback=vg_cb,
 117                       dest="format", default=True, nargs=0)
 118         op.add_option("--pesize", dest="pesize", type="int", nargs=1,
 119                       default=32768)
 120         op.add_option("--useexisting", dest="preexist", action="store_true",
 121                       default=False)
 122         return op
 123
 124     def parse(self, args):
 125         (opts, extra) = self.op.parse_args(args=args, lineno=self.lineno)
 126         vg = self.handler.VolGroupData()
 127         self._setToObj(self.op, opts, vg)
 128         vg.lineno = self.lineno
 129
 130         if len(extra) == 0:
 131             raise KickstartParseError(formatErrorMsg(self.lineno, msg=_("volgroup must be given a VG name")))
 132
 133         if len(extra) == 1 and not opts.preexist:
 134             raise KickstartValueError(formatErrorMsg(self.lineno, msg=_("volgroup must be given a list of partitions")))
 135         elif len(extra) > 1 and opts.preexist:
 136             raise KickstartValueError(formatErrorMsg(self.lineno, msg=_("Members may not be specified for preexisting volgroup")))
 137
 138         vg.vgname = extra[0]
 139
 140         if len(extra) > 1:
 141             vg.physvols = extra[1:]
 142
 143         # Check for duplicates in the data list.
 144         if vg in self.dataList():
 145             warnings.warn(_("A volgroup with the name %s has already been defined.") % vg.vgname)
 146
 147         return vg
 148
 149     def dataList(self):
 150         return self.vgList
 151
 152 class FC16_VolGroup(FC3_VolGroup):
 153     def _getParser(self):
 154         def space_cb(option, opt_str, value, parser):
 155             if value < 0:
 156                 raise KickstartValueError(formatErrorMsg(self.lineno, msg="Volume group reserved space must be a positive integer."))
 157
 158             parser.values.reserved_space = value
 159
 160         def percent_cb(option, opt_str, value, parser):
 161             if not 0 < value < 100:
 162                 raise KickstartValueError(formatErrorMsg(self.lineno, msg="Volume group reserved space percentage must be between 1 and 99."))
 163
 164             parser.values.reserved_percent = value
 165
 166         op = FC3_VolGroup._getParser(self)
 167         op.add_option("--reserved-space", action="callback", callback=space_cb,
 168                       dest="reserved_space", type="int", nargs=1, default=0)
 169         op.add_option("--reserved-percent", action="callback", callback=percent_cb,
 170                       dest="reserved_percent", type="int", nargs=1, default=0)
 171         return op
 172
 173 class RHEL6_VolGroup(FC3_VolGroup):
 174     def parse(self, args):
 175         # first call the overriden method
 176         retval = FC3_VolGroup.parse(self, args)
 177
 178         # the volgroup command can't be used together with the autopart command
 179         # due to the hard to debug behavior their combination introduces
 180         if self.handler.autopart.seen:
 181             errorMsg = _("The volgroup and autopart commands can't be used at the same time")
 182             raise KickstartParseError(formatErrorMsg(self.lineno, msg=errorMsg))
 183
 184         return retval
 185
 186 class F20_VolGroup(FC16_VolGroup):
 187     def parse(self, args):
 188         # first call the overriden method
 189         retval = FC16_VolGroup.parse(self, args)
 190
 191         # the volgroup command can't be used together with the autopart command
 192         # due to the hard to debug behavior their combination introduces
 193         if self.handler.autopart.seen:
 194             errorMsg = _("The volgroup and autopart commands can't be used at the same time")
 195             raise KickstartParseError(formatErrorMsg(self.lineno, msg=errorMsg))
 196
 197         return retval
 198
 199 class F21_VolGroup(F20_VolGroup):
 200     def _getParser(self):
 201         op = F20_VolGroup._getParser(self)
 202         op.add_option("--pesize", dest="pesize", type="int", nargs=1,
 203                       default=0)
 204
 205         return op