# 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) 2019 Red Hat, Inc.
# All rights reserved.
#

from __future__ import absolute_import
import re
import pki.server.upgrade


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

    def __init__(self):
        super(RemoveResteasyPath, self).__init__()
        self.message = 'Remove RESTEASY_LIB from JAVA_OPTS'

    def upgrade_instance(self, instance):
        self.fix_tomcat_config('/etc/pki/%s/tomcat.conf' % instance.name)
        self.fix_tomcat_config('/etc/sysconfig/%s' % instance.name)

    def fix_tomcat_config(self, filename):

        with open(filename, 'r') as f:
            lines = f.readlines()

        with open(filename, 'w') as f:
            for line in lines:
                match = re.match(r'(JAVA_OPTS=".*)-DRESTEASY_LIB=\S*\s*(.*")$', line)
                if match:
                    line = match.group(1) + match.group(2)
                f.write(line)
