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'''This module configures files in a Chiba City specific way'''
__revision__ = '$Revision:$'
from socket import gethostbyname, gaierror
from Bcfg2.Server.Plugin import Plugin, DirectoryBacked, SingleXMLFileBacked, PluginExecutionError
class ChibaConf(SingleXMLFileBacked):
'''This class encapsulates all information needed for all Chiba config ops'''
pass
class Chiba(Plugin):
'''the Chiba generator builds the following files:
-> /etc/fstab
-> /etc/network/interfaces
-> /etc/dhcpd.conf
-> /tftpboot/<node>.lst'''
__name__ = 'Chiba'
__version__ = '$Id$'
__author__ = 'bcfg-dev@mcs.anl.gov'
def __init__(self, core, datastore):
Plugin.__init__(self, core, datastore)
self.repo = DirectoryBacked(self.data, self.core.fam)
self.Entries = {'ConfigFile': {'/etc/network/interfaces':self.build_interfaces}}
def build_interfaces(self, entry, metadata):
'''build network configs for clients'''
entry.attrib['owner'] = 'root'
entry.attrib['group'] = 'root'
entry.attrib['perms'] = '0644'
try:
myriname = "%s-myr.%s" % (metadata.hostname.split('.')[0],
".".join(metadata.hostname.split('.')[1:]))
myriaddr = gethostbyname(myriname)
except gaierror:
self.LogError("Failed to resolve %s"% myriname)
raise PluginExecutionError, (myriname, 'lookup')
entry.text = self.repo.entries['interfaces-template'].data % myriaddr
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