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-rw-r--r--scripts/lib/wic/conf.py103
1 files changed, 103 insertions, 0 deletions
diff --git a/scripts/lib/wic/conf.py b/scripts/lib/wic/conf.py
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+++ b/scripts/lib/wic/conf.py
@@ -0,0 +1,103 @@
+#!/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()