tools/ksvalidator

   1 #!/usr/bin/python
   2 #
   3 # Chris Lumens <clumens@redhat.com>
   4 #
   5 # Copyright 2005-2014 Red Hat, Inc.
   6 #
   7 # This copyrighted material is made available to anyone wishing to use, modify,
   8 # copy, or redistribute it subject to the terms and conditions of the GNU
   9 # General Public License v.2.  This program is distributed in the hope that it
  10 # will be useful, but WITHOUT ANY WARRANTY expressed or implied, including the
  11 # implied warranties of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  12 # See the GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License along with
  15 # this program; if not, write to the Free Software Foundation, Inc., 51
  16 # Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  Any Red Hat
  17 # trademarks that are incorporated in the source code or documentation are not
  18 # subject to the GNU General Public License and may only be used or replicated
  19 # with the express permission of Red Hat, Inc.
  20 #
  21
  22 import argparse
  23 import os
  24 import sys
  25 import warnings
  26 import tempfile
  27 import urlgrabber
  28 import shutil
  29 from pykickstart.errors import KickstartError, KickstartParseError, KickstartValueError, KickstartVersionError
  30 from pykickstart.parser import KickstartParser, preprocessKickstart
  31 from pykickstart.version import DEVEL, makeVersion, versionMap
  32
  33 import gettext
  34 gettext.install("pykickstart", unicode=True)
  35 _ = lambda x: gettext.ldgettext("pykickstart", x)
  36
  37 def cleanup(dest, fn=None, exitval=1):
  38     shutil.rmtree(dest)
  39
  40     # Don't care if this file doesn't exist.
  41     if fn is not None:
  42         try:
  43             os.remove(fn)
  44         except Exception:
  45             pass
  46
  47     sys.exit(exitval)
  48
  49 op = argparse.ArgumentParser(usage="%(prog)s [options] ksfile")
  50 op.add_argument("ksfile",
  51                 help=_("filename or URL to read from"))
  52 op.add_argument("-e", "--firsterror", dest="firsterror", action="store_true",
  53                 default=False, help=_("halt after the first error or warning"))
  54 op.add_argument("-i", "--followincludes", dest="followincludes",
  55                 action="store_true", default=False,
  56                 help=_("parse include files when %%include is seen"))
  57 op.add_argument("-l", "--listversions", dest="listversions", action="store_true",
  58                 default=False,
  59                 help=_("list the available versions of kickstart syntax"))
  60 op.add_argument("-v", "--version", dest="version", default=DEVEL,
  61                 help=_("version of kickstart syntax to validate against"))
  62
  63 opts = op.parse_args(sys.argv[1:])
  64
  65 if opts.listversions:
  66     for key in sorted(versionMap.keys()):
  67         print(key)
  68
  69     sys.exit(1)
  70
  71 destdir = tempfile.mkdtemp("", "ksvalidator-tmp-", "/tmp")
  72 try:
  73     f = urlgrabber.urlgrab(opts.ksfile, filename="%s/ks.cfg" % destdir)
  74 except urlgrabber.grabber.URLGrabError, e:
  75     print(_("Error reading %s:\n%s") % (opts.ksfile, e))
  76     cleanup(destdir)
  77
  78 try:
  79     handler = makeVersion(opts.version)
  80 except KickstartVersionError:
  81     print(_("The version %s is not supported by pykickstart") % opts.version)
  82     cleanup(destdir)
  83
  84 ksparser = KickstartParser(handler, followIncludes=opts.followincludes,
  85                            errorsAreFatal=opts.firsterror)
  86
  87 # turn DeprecationWarnings into errors
  88 warnings.filterwarnings("error")
  89
  90 processedFile = None
  91
  92 try:
  93     processedFile = preprocessKickstart(f)
  94     ksparser.readKickstart(processedFile)
  95     cleanup(destdir, processedFile, exitval=0)
  96 except DeprecationWarning as msg:
  97     print(_("File uses a deprecated option or command.\n%s") % msg)
  98     cleanup(destdir, processedFile)
  99 except (KickstartParseError, KickstartValueError) as msg:
 100     print(msg)
 101     cleanup(destdir, processedFile)
 102 except KickstartError:
 103     print(_("General kickstart error in input file"))
 104     cleanup(destdir, processedFile)
 105 except Exception as e:
 106     print(_("General error in input file:  %s") % e)
 107     cleanup(destdir, processedFile)