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#!/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()
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