tools/ksflatten

   1 #!/usr/bin/python
   2 #
   3 # Simple script to take a kickstart config, read it in, parse any %includes,
   4 # etc to write out a flattened config that is stand-alone
   5 #
   6 # Copyright 2007-2014, Red Hat, Inc.
   7 # Jeremy Katz <katzj@redhat.com>
   8 #
   9 # This program is free software; you can redistribute it and/or modify
  10 # it under the terms of the GNU General Public License as published by
  11 # the Free Software Foundation; version 2 of the License.
  12 #
  13 # This program is distributed in the hope that it will be useful,
  14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 # GNU Library General Public License for more details.
  17 #
  18 # You should have received a copy of the GNU General Public License
  19 # along with this program; if not, write to the Free Software
  20 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  21
  22 from __future__ import print_function
  23
  24 import sys
  25 import argparse
  26 import pykickstart
  27 import pykickstart.parser
  28 from pykickstart.version import DEVEL, makeVersion
  29
  30 import gettext
  31 gettext.textdomain("pykickstart")
  32 _ = lambda x: gettext.ldgettext("pykickstart", x)
  33
  34 def parse_args():
  35     parser = argparse.ArgumentParser()
  36     parser.add_argument("-c", "--config", dest="kscfg", required=True,
  37                         help=_("Path to kickstart config file"))
  38     parser.add_argument("-v", "--version", dest="version", default=DEVEL,
  39                         help=_("Kickstart version to use for interpreting config"))
  40     parser.add_argument("-o", "--output", dest="output",
  41                         help=_("Write flattened config to OUTPUT"))
  42
  43     return parser.parse_args()
  44
  45 def main():
  46     opts = parse_args()
  47     if not opts.kscfg:
  48         print(_("Need to specify a config to flatten"), file=sys.stderr)
  49         sys.exit(1)
  50
  51     ksversion = makeVersion(opts.version)
  52     ksparser = pykickstart.parser.KickstartParser(ksversion)
  53     try:
  54         ksparser.readKickstart(opts.kscfg)
  55     except IOError as msg:
  56         print(_("Failed to read kickstart file '%s' : %s") % (opts.kscfg, msg), file=sys.stderr)
  57         sys.exit(1)
  58     except pykickstart.errors.KickstartError as e:
  59         print(_("Failed to parse kickstart file '%s' : %s") % (opts.kscfg, e), file=sys.stderr)
  60
  61     if opts.output:
  62         try:
  63             f = open(opts.output, 'w')
  64         except IOError as msg:
  65             print(_("Failed to open output file '%s' : %s") % (opts.output, msg), file=sys.stderr)
  66     else:
  67         f = sys.stdout
  68
  69     f.write("%s" % ksparser.handler)
  70     f.close()
  71
  72 if __name__ == "__main__":
  73     main()