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#
# errors.py: exception classes used throughout anaconda
#
# Copyright (C) 2002, 2007, 2008 Red Hat, Inc. All rights reserved.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty 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, see <http://www.gnu.org/licenses/>.
#
# Author(s): Peter Jones <pjones@redhat.com>
# Chris Lumens <clumens@redhat.com>
# Matt Wilson <msw@redhat.com>
# Jeremy Katz <katzj@redhat.com>
# Mike Fulbright <msf@redhat.com>
#
import string
import os
from constants import lvmErrorOutput
# Exceptions for use in lvm operations.
class LvmError(Exception):
"""An error occurred with lvm."""
def __init__(self, command, name=None):
self.command = command
self.name = name
self.log = self.getLvmOutput()
def getLvmOutput(self):
if not os.access(lvmErrorOutput, os.R_OK):
return ""
f = open(lvmErrorOutput, "r")
lines = reduce(lambda x,y: x + [string.strip(y),], f.readlines(), [])
lines = string.join(reduce(lambda x,y: x + [" %s" % (y,)], \
lines, []), "\n")
return lines
def __str__(self):
s = ""
if not self.name is None:
s = " for device %s" % (self.name,)
return "%s failed%s\nLog:\n%s" % (self.command, s, self.log)
class LVCreateError(LvmError):
def __init__(self, vgname, lvname, size):
self.vgname = vgname
self.lvname = lvname
self.size = size
self.log = self.getLvmOutput()
def __str__(self):
return "lvcreate of %d Megabyte lv \"%s\" on vg \"%s\" failed\n" \
"Log:\n%s" % ( \
self.size, self.lvname, self.vgname, self.log)
class LVRemoveError(LvmError):
def __init__(self, vgname, lvname):
self.vgname = vgname
self.lvname = lvname
self.log = self.getLvmOutput()
def __str__(self):
return "lvremove of lv \"%s\" from vg \"%s\" failed\nLog:\n%s" % ( \
self.lvname, self.vgname, self.log)
class LVResizeError(LvmError):
def __init__(self, vgname, lvname):
self.vgname = vgname
self.lvname = lvname
self.log = self.getLvmOutput()
def __str__(self):
return "lvresize of lv \"%s\" from vg \"%s\" failed\nLog:\n%s" % ( \
self.lvname, self.vgname, self.log)
class VGCreateError(LvmError):
def __init__(self, vgname, PESize, nodes):
self.vgname = vgname
self.PESize = PESize
self.nodes = nodes
self.log = self.getLvmOutput()
def __str__(self):
nodes = string.join(self.nodes, ' ')
return "vgcreate failed creating vg \"%s\" (PESize=%dkB) on PVs: %s\n" \
"Log:\n%s" % ( \
self.vgname, self.PESize, nodes, self.log)
class VGRemoveError(LvmError):
def __init__(self, vgname):
self.vgname = vgname
self.log = self.getLvmOutput()
def __str__(self):
return "vgremove of vg \"%s\" failed\nLog:\n%s" % ( \
self.vgname, self.log)
class PVRemoveError(LvmError):
def __init__(self, pvname):
self.pvname = pvname
self.log = self.getLvmOutput()
def __str__(self):
return "pvremove of pv \"%s\" failed\nLog:\n%s" % ( \
self.pvname, self.log)
class PVCreateError(LvmError):
def __init__(self, pvname):
self.pvname = pvname
self.log = self.getLvmOutput()
def __str__(self):
return "pvcreate of pv \"%s\" failed\nLog:\n%s" % ( \
self.pvname, self.log)
# Exceptions for use in partitioning.
class PartitioningError(Exception):
"""A critical error which must be resolved to continue the installation."""
def __init__(self, message=""):
self.message = str(message)
def __str__ (self):
return self.message
class PartitioningWarning(Exception):
"""A warning which may be ignored and still complete the installation."""
def __init__(self, message=""):
self.message = str(message)
def __str__ (self):
return self.message
class LabelError(Exception):
"""The device could not be labeled."""
def __init__(self, message=""):
self.message = str(message)
def __str__(self):
return self.message
# Exceptions for use in package selection.
class NoSuchGroup(Exception):
def __init__ (self, value):
self.value = value
def __str__ (self):
return self.value
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