#!/usr/bin/python3
#
# Univention Monitoring Plugin
#  check_univention_smtp: check smtp status
#
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# Copyright 2007-2024 Univention GmbH
#
# https://www.univention.de/
#
# All rights reserved.
#
# The source code of this program is made available
# under the terms of the GNU Affero General Public License version 3
# (GNU AGPL V3) as published by the Free Software Foundation.
#
# Binary versions of this program provided by Univention to you as
# well as other copyrighted, protected or trademarked materials like
# Logos, graphics, fonts, specific documentations and configurations,
# cryptographic keys etc. are subject to a license agreement between
# you and Univention and not subject to the GNU AGPL V3.
#
# In the case you use this program under the terms of the GNU AGPL V3,
# the program is provided 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public
# License with the Debian GNU/Linux or Univention distribution in file
# /usr/share/common-licenses/AGPL-3; if not, see
# <https://www.gnu.org/licenses/>.

from univention.config_registry import ucr
from univention.monitoring import Alert


class SMTP(Alert):

    def write_metrics(self):
        address = '%(hostname)s.%(domainname)s' % ucr
        if ucr.get('mail/postfix/inet/interfaces') == '127.0.0.1':
            address = '127.0.0.1'
        rc, output = self.exec_command(['/usr/lib/nagios/plugins/check_smtp', '-H', address])
        self.write_metric('univention_smtp_reachable', 1 if rc == 0 else 0)
        self.log.debug(output)


if __name__ == '__main__':
    SMTP.main()
