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#!/usr/bin/python
# Authors:
#     Endi S. Dewata <edewata@redhat.com>
#
# 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.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# Copyright (C) 2014 Red Hat, Inc.
# All rights reserved.
#

import os
from lxml import etree

import pki
import pki.server.upgrade


class EnableWebApplicationAutoDeploy(pki.server.upgrade.PKIServerUpgradeScriptlet):

    def __init__(self):
        super(EnableWebApplicationAutoDeploy, self).__init__()
        self.message = 'Enabled Web application auto deploy'

        self.parser = etree.XMLParser(remove_blank_text=True)

    def upgrade_instance(self, instance):

        server_xml = os.path.join(instance.conf_dir, 'server.xml')
        self.backup(server_xml)

        document = etree.parse(server_xml, self.parser)

        server = document.getroot()
        hosts = server.findall('.//Host')

        for host in hosts:
            host.set('autoDeploy', 'true')

        with open(server_xml, 'w') as f:
            f.write(etree.tostring(document, pretty_print=True))