Add postfix module

configs/settingsd/main.conf

@@ -37,3 +37,6 @@ enabled = yes
 
 [network]
 enabled = yes
+
+[postfix]
+enabled = yes

plugins/functions/fmod_postfix.py

+# -*- coding: utf-8 -*-
+
+import socket
+import os
+from yaml import dump, safe_load
+
+from settingsd import const
+from settingsd import config
+from settingsd import service
+from settingsd import shared
+from settingsd import logger
+
+import settingsd.tools as tools
+from settingsd.tools.process import execProcess
+import settingsd.tools.editors
+from os import path
+from jinja2 import Template
+
+##### Private constants #####
+SERVICE_NAME = "postfix"
+POSTFIX_METHODS_NAMESPACE = "postfix"
+POSTFIX_MAIN_CF = "/etc/postfix/main.cf"
+
+##### Private classes #####
+class Postfix(service.FunctionObject) :	
+	### DBus methods ###
+	@service.functionMethod(POSTFIX_METHODS_NAMESPACE, in_signature="ss")
+	def regenerateMainCf(self, config_filename, templates_dir):
+		with open(config_filename, 'r') as postfix_config:
+			config = safe_load(postfix_config.read())
+		template_filename = path.join(templates_dir, config['template'] + '.tpl')
+		with open(template_filename, 'r') as template_text:
+			template = Template(template_text.read())
+		
+		config_text = template.render(settings=config['settings'])
+		with open(POSTFIX_MAIN_CF, 'w+') as main_cf:
+			main_cf.write(config_text)
+
+
+##### Public classes #####
+class Service(service.Service) :
+
+	### Public ###
+
+	def initService(self) :
+		shared.Functions.addSharedObject(SERVICE_NAME, Postfix(SERVICE_NAME, self))
+
+
+	### Private ###
+	@classmethod
+	def serviceName(self) :
+		return SERVICE_NAME