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Diffstat (limited to 'errors.py')
-rw-r--r-- | errors.py | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/errors.py b/errors.py new file mode 100644 index 0000000..9733733 --- /dev/null +++ b/errors.py @@ -0,0 +1,159 @@ +# +# 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 |