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'''this generator handles production of client-specific debconf files'''
__revision__ = '$Revision$'
from Bcfg2.Server.Generator import Generator, DirectoryBacked
from elementtree.ElementTree import Element
class Debconf(Generator):
'''Debconf takes <data>/template.dat and adds entries for
-> hostname
-> video driver'''
__name__ = 'Debconf'
__version__ = '$Id$'
__author__ = 'bcfg-dev@mcs.anl.gov'
__provides__ = {'ConfigFile':{}}
probes = [Element("probe", name='VGA', interpreter='/bin/sh', source=__name__)]
probes[0].text = '''
XSERVER='/usr/bin/X11/X|/usr/X11R6/bin/X'
if [ XFree86 -configure 2>/dev/null ] ; then
VGACARD=`tail -50 /root/XF86Config.new | grep Driver | awk -F'"' '{print $2}'`
elif ps auxww | egrep ${XSERVER} | grep -v grep > /dev/null ;then
if [ -e /etc/X11/XF86Config ]; then
VGACARD=`tail -50 /etc/X11/XF86Config | grep Driver | awk -F'"' '{print $2}'`
else
VGACARD=`tail -50 /etc/X11/XF86Config-4 | grep Driver | awk -F'"' '{print $2}'`
fi
else
VGACARD=nv
fi
echo ${VGACARD}
'''
def __init__(self, core, datastore):
Generator.__init__(self, core, datastore)
self.__provides__['ConfigFile']['/var/spool/debconf/config.dat'] = self.build_config_dat
self.repo = DirectoryBacked(self.data, self.core.fam)
self.xsensed = {}
def build_config_dat(self, entry, metadata):
'''build debconf file for client'''
entry.attrib['owner'] = 'root'
entry.attrib['group'] = 'root'
entry.attrib['perms'] = '0600'
filedata = self.repo.entries['config.dat']
xdriver = self.xsensed.get(metadata.hostname, "nv")
entry.text = filedata % (metadata.hostname, xdriver)
def get_probes(self, metadata):
'''Send out X probe'''
return self.probes
def accept_probe_data(self, client, probedata):
'''Stash probe data for later use'''
if probedata.attrib['name'] == "VGA":
self.xsensed[client] = probedata.text
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