| #!/usr/bin/env python -tt |
| # |
| # Copyright (c) 2011 Intel, Inc. |
| # |
| # 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; version 2 of the License |
| # |
| # 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, write to the Free Software Foundation, Inc., 59 |
| # Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| |
| import os |
| |
| from wic.ksparser import KickStart, KickStartError |
| from wic import msger |
| from wic.utils import misc |
| |
| |
| def get_siteconf(): |
| wic_path = os.path.dirname(__file__) |
| eos = wic_path.find('scripts') + len('scripts') |
| scripts_path = wic_path[:eos] |
| |
| return scripts_path + "/lib/image/config/wic.conf" |
| |
| class ConfigMgr(object): |
| DEFAULTS = { |
| 'common': { |
| "distro_name": "Default Distribution", |
| "plugin_dir": "/usr/lib/wic/plugins"}, # TODO use prefix also? |
| 'create': { |
| "tmpdir": '/var/tmp/wic', |
| "outdir": './wic-output', |
| "release": None, |
| "logfile": None, |
| "name_prefix": None, |
| "name_suffix": None} |
| } |
| |
| # make the manager class as singleton |
| _instance = None |
| def __new__(cls, *args, **kwargs): |
| if not cls._instance: |
| cls._instance = super(ConfigMgr, cls).__new__(cls, *args, **kwargs) |
| |
| return cls._instance |
| |
| def __init__(self, ksconf=None, siteconf=None): |
| # reset config options |
| self.reset() |
| |
| if not siteconf: |
| siteconf = get_siteconf() |
| |
| # initial options from siteconf |
| self._siteconf = siteconf |
| |
| if ksconf: |
| self._ksconf = ksconf |
| |
| def reset(self): |
| self.__ksconf = None |
| self.__siteconf = None |
| self.create = {} |
| |
| # initialize the values with defaults |
| for sec, vals in self.DEFAULTS.iteritems(): |
| setattr(self, sec, vals) |
| |
| def __set_ksconf(self, ksconf): |
| if not os.path.isfile(ksconf): |
| msger.error('Cannot find ks file: %s' % ksconf) |
| |
| self.__ksconf = ksconf |
| self._parse_kickstart(ksconf) |
| def __get_ksconf(self): |
| return self.__ksconf |
| _ksconf = property(__get_ksconf, __set_ksconf) |
| |
| def _parse_kickstart(self, ksconf=None): |
| if not ksconf: |
| return |
| |
| try: |
| ksobj = KickStart(ksconf) |
| except KickStartError as err: |
| msger.error(str(err)) |
| |
| self.create['ks'] = ksobj |
| self.create['name'] = os.path.splitext(os.path.basename(ksconf))[0] |
| |
| self.create['name'] = misc.build_name(ksconf, |
| self.create['release'], |
| self.create['name_prefix'], |
| self.create['name_suffix']) |
| |
| configmgr = ConfigMgr() |