Ahenk/opt/ahenk/ahenkd.py

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#!/usr/bin/python3
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# -*- coding: utf-8 -*-
# Author: İsmail BAŞARAN <ismail.basaran@tubitak.gov.tr> <basaran.ismaill@gmail.com>
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# Author: Volkan Şahin <volkansah.in> <bm.volkansahin@gmail.com>
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import configparser
import os
import queue
import signal
import sys
import threading
import time
from base.Scope import Scope
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from base.config.ConfigManager import ConfigManager
from base.database.AhenkDbService import AhenkDbService
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from base.deamon.BaseDeamon import BaseDaemon
from base.event.EventManager import EventManager
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from base.execution.ExecutionManager import ExecutionManager
from base.logger.AhenkLogger import Logger
from base.messaging.MessageResponseQueue import MessageResponseQueue
from base.messaging.Messager import Messager
from base.messaging.Messaging import Messaging
from base.plugin.PluginManager import PluginManager
from base.registration.Registration import Registration
from base.task.TaskManager import TaskManager
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pidfilePath = '/var/run/ahenk.pid'
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class AhenkDeamon(BaseDaemon):
"""docstring for AhenkDeamon"""
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def reload(self, msg):
# reload service here
pass
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def run(self):
print('Ahenk running...')
globalscope = Scope()
globalscope.setInstance(globalscope)
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configFilePath = '/etc/ahenk/ahenk.conf'
configfileFolderPath = '/etc/ahenk/config.d/'
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# configuration manager must be first load
configManager = ConfigManager(configFilePath, configfileFolderPath)
config = configManager.read()
globalscope.setConfigurationManager(config)
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# Logger must be second
logger = Logger()
logger.info('[AhenkDeamon] Log was set')
globalscope.setLogger(logger)
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eventManager = EventManager()
globalscope.setEventManager(eventManager)
logger.info('[AhenkDeamon] Event Manager was set')
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db_service = AhenkDbService()
db_service.connect()
db_service.initialize_table()
globalscope.setDbService(db_service)
logger.info('[AhenkDeamon] Data Base Service was set')
messageManager = Messaging()
globalscope.setMessageManager(messageManager)
logger.info('[AhenkDeamon] Message Manager was set')
pluginManager = PluginManager()
pluginManager.loadPlugins()
globalscope.setPluginManager(pluginManager)
logger.info('[AhenkDeamon] Plugin Manager was set')
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taskManager = TaskManager()
globalscope.setTaskManager(taskManager)
logger.info('[AhenkDeamon] Task Manager was set')
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registration = Registration()
globalscope.setRegistration(registration)
logger.info('[AhenkDeamon] Registration was set')
execution_manager = ExecutionManager()
globalscope.setExecutionManager(execution_manager)
logger.info('[AhenkDeamon] Execution Manager was set')
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# TODO restrict number of attemption
while registration.is_registered() is False:
logger.debug('[AhenkDeamon] Attempting to register')
registration.registration_request()
logger.info('[AhenkDeamon] Ahenk is registered')
messager = Messager()
messanger_thread = threading.Thread(target=messager.connect_to_server)
messanger_thread.start()
while (messager.is_connected() is False):
time.sleep(1)
globalscope.setMessager(messager)
logger.info('[AhenkDeamon] Messager was set')
# if registration.is_ldap_registered() is False:
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# logger.debug('[AhenkDeamon] Attempting to registering ldap')
# registration.ldap_registration_request() #TODO work on message
logger.info('[AhenkDeamon] LDAP registration of Ahenk is completed')
# TODO###############
cnfg = configparser.ConfigParser()
cnfg.add_section('PID')
cnfg.set('PID', 'pid_number', str(os.getpid()))
with open(pidfilePath, 'w') as config_file:
cnfg.write(config_file)
# TODO##############
try:
signal.signal(signal.SIGALRM, self.signal_handler)
logger.info('[AhenkDeamon] Signal handler is set up')
except Exception as e:
logger.error('[AhenkDeamon] Signal handler could not set up :' + e.errno + '-' + e.strerror)
messager.send_direct_message('test')
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responseQueue = queue.Queue()
messageResponseQueue = MessageResponseQueue(responseQueue)
messageResponseQueue.setDaemon(True)
messageResponseQueue.start()
globalscope.setResponseQueue(responseQueue)
while True:
time.sleep(1)
# request policies
# logger.info('[AhenkDeamon] Requesting policies...')
# messager.send_direct_message(messageManager.policy_request_msg())
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# this is must be created after message services
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def signal_handler(self, num, stack):
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# TODO######
config = configparser.ConfigParser()
config._interpolation = configparser.ExtendedInterpolation()
config.read(pidfilePath)
event = config.get('PID', 'event')
# TODO######
params = event.split()
scope = Scope().getInstance()
logger = scope.getLogger()
if 'login' == str(params[0]):
message = scope.getMessageManager().login_msg(params[1])
scope.getMessager().send_direct_message(message)
logger.debug('[AhenkDeamon] login event is handled for user:' + params[1])
elif 'logout' == str(params[0]):
message = scope.getMessageManager().logout_msg(params[1])
scope.getMessager().send_direct_message(message)
logger.debug('[AhenkDeamon] logout event is handled for user:' + params[1])
else:
logger.error('[AhenkDeamon] Unknown command error. Command:' + params[0])
logger.debug('[AhenkDeamon] Processing of handled event is completed')
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if __name__ == '__main__':
ahenkdaemon = AhenkDeamon(pidfilePath)
if len(sys.argv) == 2:
if sys.argv[1] == 'start':
print('starting')
ahenkdaemon.run()
elif sys.argv[1] == 'stop':
ahenkdaemon.stop()
elif sys.argv[1] == 'restart':
ahenkdaemon.restart()
elif sys.argv[1] == 'status':
print('status')
else:
print('Unknown command. Usage : %s start|stop|restart|status' % sys.argv[0])
sys.exit(2)
elif len(sys.argv) == 3:
if sys.argv[1] == 'login' or sys.argv[1] == 'logout':
print('event:' + str(sys.argv[1]))
# TODO##############
config = configparser.ConfigParser()
config._interpolation = configparser.ExtendedInterpolation()
config.read(pidfilePath)
pid_number = config.get('PID', 'pid_number')
config.set('PID', 'event', str(sys.argv[1]) + ' ' + sys.argv[2])
# TODO##############
with open(pidfilePath, 'w') as config_file:
config.write(config_file)
os.kill(int(pid_number), signal.SIGALRM)
else:
print('Unknown command. Usage : %s start|stop|restart|status' % sys.argv[0])
sys.exit(2)
sys.exit(0)
else:
print('Usage : %s start|stop|restart|status' % sys.argv[0])
sys.exit(2)