rattail-fabric2/rattail_fabric2/postfix.py
Lance Edgar 614fd92a20 Use shlex.join() when adding postfix alias
a bit convoluted perhaps, but still better...
2022-11-01 18:41:27 -05:00

109 lines
2.9 KiB
Python

# -*- coding: utf-8; -*-
################################################################################
#
# Rattail -- Retail Software Framework
# Copyright © 2010-2022 Lance Edgar
#
# This file is part of Rattail.
#
# Rattail 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, either version 3 of the License, or (at your option) any later
# version.
#
# Rattail 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
# Rattail. If not, see <http://www.gnu.org/licenses/>.
#
################################################################################
"""
Fabric library for Postfix
"""
import shlex
from rattail_fabric2 import apt
def install(c):
"""
Install the Postfix mail service
"""
apt.install(c, 'postfix')
apt.purge(c, 'exim4', 'exim4-base', 'exim4-config', 'exim4-daemon-light')
def alias(c, name, alias_to, path='/etc/aliases'):
"""
Set a mail alias for Postfix
"""
# does alias entry already exist?
if c.run("grep '^{}:' /etc/aliases".format(name), warn=True).failed:
# append new entry
entry = '{}: {}'.format(name, alias_to)
echo = shlex.join(['echo', entry])
cmd = '{} >> /etc/aliases'.format(echo)
cmd = shlex.join(['bash', '-c', cmd])
c.sudo(cmd)
else:
# update existing entry
alias_to = alias_to.replace('|', '\\|')
sub = "s|^{}: .*|{}: {}|".format(name, name, alias_to)
cmd = shlex.join(['sed', '-i.bak', '-E', sub, '/etc/aliases'])
c.sudo(cmd)
c.sudo('newaliases')
def restart(c):
"""
Restart the Postfix mail service
"""
c.sudo('systemctl restart postfix.service')
def set_config(c, setting, value):
"""
Configure the given setting with the given value.
"""
c.sudo("postconf -e '{}={}'".format(setting, value))
def set_myhostname(c, hostname):
"""
Configure the 'myhostname' setting with the given string.
"""
set_config(c, 'myhostname', hostname)
def set_myorigin(c, origin):
"""
Configure the 'myorigin' setting with the given string.
"""
set_config(c, 'myorigin', origin)
def set_mydestination(c, *destinations):
"""
Configure the 'mydestinations' setting with the given strings.
"""
set_config(c, 'mydestination', ', '.join(destinations))
def set_mynetworks(c, *networks):
"""
Configure the 'mynetworks' setting with the given strings.
"""
set_config(c, 'mynetworks', ' '.join(networks))
def set_relayhost(c, relayhost):
"""
Configure the 'relayhost' setting with the given string
"""
set_config(c, 'relayhost', relayhost)