#!/usr/bin/env python
# $Id: S99KusuNodeResolvConf.rc.py 4377 2009-02-26 04:49:22Z ltsai $
#
# Copyright 2007 Platform Computing Inc.
#
# Licensed under GPL version 2; See LICENSE file for details.
#

from kusu.core import rcplugin
from path import path

class KusuRC(rcplugin.Plugin):
    def __init__(self):
        rcplugin.Plugin.__init__(self)
        self.name = 'resolv_conf'
        self.desc = 'Setting up dns resolver'
        self.ngtypes = ['compute', 'compute-imaged', 'compute-diskless']
        self.delete = True

    def run(self):
        """
        Workaround an autoinstall bug for opensuse 10.3 where 
        /etc/resolv.conf is clobbered during the first boot.
        """

        # This kusu-resolv.conf is generated by a post-script in
        # kusu-autoinst.xml.
        generated_resolv_conf = path('/root/kusu-resolv.conf')

        if self.os_name == 'opensuse':
            resolv_conf = path('/etc/resolv.conf')
            if generated_resolv_conf.exists() and \
                    resolv_conf.exists() and \
                    not resolv_conf.text():
                generated_resolv_conf.move(resolv_conf)
            
        # Cleanup
        if generated_resolv_conf.exists():
            generated_resolv_conf.remove()

        return True