mirror of
https://gitlab.com/crafty-controller/crafty-4.git
synced 2025-01-19 17:55:29 +01:00
382 lines
20 KiB
Python
382 lines
20 KiB
Python
from datetime import timedelta
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from http import server
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import os
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import sys
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import json
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import time
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import logging
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import threading
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import asyncio
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import shutil
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from tzlocal import get_localzone
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from app.classes.controllers.users_controller import Users_Controller
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from app.classes.shared.helpers import helper
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from app.classes.shared.console import console
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from app.classes.web.tornado import Webserver
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from app.classes.web.websocket_helper import websocket_helper
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from app.classes.minecraft.serverjars import server_jar_obj
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from app.classes.models.servers import servers_helper
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from app.classes.models.management import management_helper
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from apscheduler.events import EVENT_JOB_ERROR, EVENT_JOB_EXECUTED, EVENT_ALL, EVENT_JOB_REMOVED
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logger = logging.getLogger('apscheduler')
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try:
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from apscheduler.schedulers.background import BackgroundScheduler
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from apscheduler.triggers.cron import CronTrigger
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except ModuleNotFoundError as e:
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logger.critical("Import Error: Unable to load {} module".format(e.name), exc_info=True)
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console.critical("Import Error: Unable to load {} module".format(e.name))
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sys.exit(1)
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scheduler_intervals = { 'seconds',
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'minutes',
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'hours',
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'days',
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'weeks',
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'monday',
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'tuesday',
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'wednesday',
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'thursday',
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'friday',
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'saturday',
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'sunday'
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}
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class TasksManager:
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def __init__(self, controller):
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self.controller = controller
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self.tornado = Webserver(controller, self)
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self.tz = get_localzone()
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self.scheduler = BackgroundScheduler(timezone=str(self.tz))
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self.users_controller = Users_Controller()
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self.webserver_thread = threading.Thread(target=self.tornado.run_tornado, daemon=True, name='tornado_thread')
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self.main_thread_exiting = False
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self.schedule_thread = threading.Thread(target=self.scheduler_thread, daemon=True, name="scheduler")
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self.log_watcher_thread = threading.Thread(target=self.log_watcher, daemon=True, name="log_watcher")
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self.command_thread = threading.Thread(target=self.command_watcher, daemon=True, name="command_watcher")
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self.realtime_thread = threading.Thread(target=self.realtime, daemon=True, name="realtime")
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self.reload_schedule_from_db()
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def get_main_thread_run_status(self):
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return self.main_thread_exiting
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def reload_schedule_from_db(self):
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jobs = management_helper.get_schedules_enabled()
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logger.info("Reload from DB called. Current enabled schedules: ")
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for item in jobs:
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logger.info("JOB: {}".format(item))
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def command_watcher(self):
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while True:
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# select any commands waiting to be processed
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commands = management_helper.get_unactioned_commands()
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for c in commands:
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try:
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svr = self.controller.get_server_obj(c.server_id)
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except:
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logger.error("Server value requested does note exist purging item from waiting commands.")
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management_helper.mark_command_complete(c.command_id)
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user_id = c.user_id
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command = c.command
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if command == 'start_server':
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svr.run_threaded_server(user_id)
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elif command == 'stop_server':
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svr.stop_threaded_server()
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elif command == "restart_server":
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svr.restart_threaded_server(user_id)
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elif command == "backup_server":
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svr.backup_server()
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elif command == "update_executable":
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svr.jar_update()
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else:
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svr.send_command(command)
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management_helper.mark_command_complete(c.command_id)
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time.sleep(1)
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def _main_graceful_exit(self):
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try:
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os.remove(helper.session_file)
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os.remove(os.path.join(helper.root_dir, '.header'))
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self.controller.stop_all_servers()
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except:
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logger.info("Caught error during shutdown", exc_info=True)
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logger.info("***** Crafty Shutting Down *****\n\n")
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console.info("***** Crafty Shutting Down *****\n\n")
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self.main_thread_exiting = True
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def start_webserver(self):
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self.webserver_thread.start()
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def reload_webserver(self):
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self.tornado.stop_web_server()
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console.info("Waiting 3 seconds")
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time.sleep(3)
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self.webserver_thread = threading.Thread(target=self.tornado.run_tornado, daemon=True, name='tornado_thread')
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self.start_webserver()
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def stop_webserver(self):
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self.tornado.stop_web_server()
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def start_scheduler(self):
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logger.info("Launching Scheduler Thread...")
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console.info("Launching Scheduler Thread...")
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self.schedule_thread.start()
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logger.info("Launching command thread...")
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console.info("Launching command thread...")
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self.command_thread.start()
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logger.info("Launching log watcher...")
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console.info("Launching log watcher...")
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self.log_watcher_thread.start()
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logger.info("Launching realtime thread...")
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console.info("Launching realtime thread...")
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self.realtime_thread.start()
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def scheduler_thread(self):
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schedules = management_helper.get_schedules_enabled()
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self.scheduler.add_listener(self.schedule_watcher, mask=EVENT_JOB_EXECUTED)
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#self.scheduler.add_job(self.scheduler.print_jobs, 'interval', seconds=10, id='-1')
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#load schedules from DB
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for schedule in schedules:
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if schedule.cron_string != "":
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try:
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self.scheduler.add_job(management_helper.add_command, CronTrigger.from_crontab(schedule.cron_string, timezone=str(self.tz)), id=str(schedule.schedule_id), args=[schedule.server_id, self.users_controller.get_id_by_name('system'), '127.0.0.1', schedule.command])
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except Exception as e:
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console.error("Failed to schedule task with error: {}.".format(e))
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console.warning("Removing failed task from DB.")
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logger.error("Failed to schedule task with error: {}.".format(e))
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logger.warning("Removing failed task from DB.")
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#remove items from DB if task fails to add to apscheduler
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management_helper.delete_scheduled_task(schedule.schedule_id)
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else:
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if schedule.interval_type == 'hours':
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self.scheduler.add_job(management_helper.add_command, 'cron', minute = 0, hour = '*/'+str(schedule.interval), id=str(schedule.schedule_id), args=[schedule.server_id, self.users_controller.get_id_by_name('system'), '127.0.0.1', schedule.command])
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elif schedule.interval_type == 'minutes':
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self.scheduler.add_job(management_helper.add_command, 'cron', minute = '*/'+str(schedule.interval), id=str(schedule.schedule_id), args=[schedule.server_id, self.users_controller.get_id_by_name('system'), '127.0.0.1', schedule.command])
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elif schedule.interval_type == 'days':
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time = schedule.start_time.split(':')
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self.scheduler.add_job(management_helper.add_command, 'cron', day = '*/'+str(schedule.interval), hour=time[0], minute=time[1], id=str(schedule.schedule_id), args=[schedule.server_id, self.users_controller.get_id_by_name('system'), '127.0.0.1', schedule.command])
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self.scheduler.start()
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jobs = self.scheduler.get_jobs()
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logger.info("Loaded schedules. Current enabled schedules: ")
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for item in jobs:
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logger.info("JOB: {}".format(item))
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def schedule_job(self, job_data):
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sch_id = management_helper.create_scheduled_task(job_data['server_id'], job_data['action'], job_data['interval'], job_data['interval_type'], job_data['start_time'], job_data['command'], "None", job_data['enabled'], job_data['one_time'], job_data['cron_string'])
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if job_data['enabled']:
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if job_data['cron_string'] != "":
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try:
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self.scheduler.add_job(management_helper.add_command, CronTrigger.from_crontab(job_data['cron_string'], timezone=str(self.tz)), id=str(sch_id), args=[job_data['server_id'], self.users_controller.get_id_by_name('system'), '127.0.0.1', job_data['command']])
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except Exception as e:
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console.error("Failed to schedule task with error: {}.".format(e))
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console.warning("Removing failed task from DB.")
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logger.error("Failed to schedule task with error: {}.".format(e))
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logger.warning("Removing failed task from DB.")
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#remove items from DB if task fails to add to apscheduler
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management_helper.delete_scheduled_task(sch_id)
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else:
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if job_data['interval_type'] == 'hours':
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self.scheduler.add_job(management_helper.add_command, 'cron', minute = 0, hour = '*/'+str(job_data['interval']), id=str(sch_id), args=[job_data['server_id'], self.users_controller.get_id_by_name('system'), '127.0.0.1', job_data['command']])
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elif job_data['interval_type'] == 'minutes':
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self.scheduler.add_job(management_helper.add_command, 'cron', minute = '*/'+str(job_data['interval']), id=str(sch_id), args=[job_data['server_id'], self.users_controller.get_id_by_name('system'), '127.0.0.1', job_data['command']])
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elif job_data['interval_type'] == 'days':
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time = job_data['start_time'].split(':')
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self.scheduler.add_job(management_helper.add_command, 'cron', day = '*/'+str(job_data['interval']), hour = time[0], minute = time[1], id=str(sch_id), args=[job_data['server_id'], self.users_controller.get_id_by_name('system'), '127.0.0.1', job_data['command']], )
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logger.info("Added job. Current enabled schedules: ")
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jobs = self.scheduler.get_jobs()
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for item in jobs:
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logger.info("JOB: {}".format(item))
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def remove_all_server_tasks(self, server_id):
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schedules = management_helper.get_schedules_by_server(server_id)
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for schedule in schedules:
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self.remove_job(schedule.schedule_id)
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def remove_job(self, sch_id):
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job = management_helper.get_scheduled_task_model(sch_id)
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management_helper.delete_scheduled_task(sch_id)
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if job.enabled:
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self.scheduler.remove_job(str(sch_id))
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logger.info("Job with ID {} was deleted.".format(sch_id))
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else:
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logger.info("Job with ID {} was deleted from DB, but was not enabled. Not going to try removing something that doesn't exist from active schedules.".format(sch_id))
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def update_job(self, sch_id, job_data):
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management_helper.update_scheduled_task(sch_id, job_data)
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try:
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self.scheduler.remove_job(str(sch_id))
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except:
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logger.info("No job found in update job. Assuming it was previously disabled. Starting new job.")
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if job_data['cron_string'] != "":
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cron = job_data['cron_string'].split(' ')
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try:
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self.scheduler.add_job(management_helper.add_command, 'cron', minute = cron[0], hour = cron[1], day = cron[2], month = cron[3], day_of_week = cron[4], args=[job_data['server_id'], self.users_controller.get_id_by_name('system'), '127.0.0.1', job_data['command']])
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except Exception as e:
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console.error("Failed to schedule task with error: {}.".format(e))
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console.info("Removing failed task from DB.")
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management_helper.delete_scheduled_task(sch_id)
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else:
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if job_data['interval_type'] == 'hours':
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self.scheduler.add_job(management_helper.add_command, 'cron', minute = 0, hour = '*/'+str(job_data['interval']), id=str(sch_id), args=[job_data['server_id'], self.users_controller.get_id_by_name('system'), '127.0.0.1', job_data['command']])
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elif job_data['interval_type'] == 'minutes':
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self.scheduler.add_job(management_helper.add_command, 'cron', minute = '*/'+str(job_data['interval']), id=str(sch_id), args=[job_data['server_id'], self.users_controller.get_id_by_name('system'), '127.0.0.1', job_data['command']])
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elif job_data['interval_type'] == 'days':
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time = job_data['start_time'].split(':')
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self.scheduler.add_job(management_helper.add_command, 'cron', day = '*/'+str(job_data['interval']), hour = time[0], minute = time[1], id=str(sch_id), args=[job_data['server_id'], self.users_controller.get_id_by_name('system'), '127.0.0.1', job_data['command']], )
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else:
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try:
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self.scheduler.get_job(str(sch_id))
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self.scheduler.remove_job(str(sch_id))
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except:
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logger.info("APScheduler found no scheduled job on schedule update for schedule with id: {}. Assuming it was already disabled.".format(sch_id))
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def schedule_watcher(self, event):
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if not event.exception:
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if str(event.job_id).isnumeric():
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task = management_helper.get_scheduled_task_model(int(event.job_id))
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if task.one_time:
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self.remove_job(task.schedule_id)
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logger.info("one time task detected. Deleting...")
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else:
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logger.info("Event job ID is not numerical. Assuming it's stats - not stored in DB. Moving on.")
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else:
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logger.error("Task failed with error: {}".format(event.exception))
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def start_stats_recording(self):
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stats_update_frequency = helper.get_setting('stats_update_frequency')
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logger.info("Stats collection frequency set to {stats} seconds".format(stats=stats_update_frequency))
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console.info("Stats collection frequency set to {stats} seconds".format(stats=stats_update_frequency))
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# one for now,
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self.controller.stats.record_stats()
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# one for later
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self.scheduler.add_job(self.controller.stats.record_stats, 'interval', seconds=stats_update_frequency, id="stats")
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def serverjar_cache_refresher(self):
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logger.info("Refreshing serverjars.com cache on start")
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server_jar_obj.refresh_cache()
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logger.info("Scheduling Serverjars.com cache refresh service every 12 hours")
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self.scheduler.add_job(server_jar_obj.refresh_cache, 'interval', hours=12, id="serverjars")
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def realtime(self):
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loop = asyncio.new_event_loop()
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asyncio.set_event_loop(loop)
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host_stats = management_helper.get_latest_hosts_stats()
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while True:
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if host_stats.get('cpu_usage') != \
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management_helper.get_latest_hosts_stats().get('cpu_usage') or \
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host_stats.get('mem_percent') != \
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management_helper.get_latest_hosts_stats().get('mem_percent'):
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# Stats are different
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host_stats = management_helper.get_latest_hosts_stats()
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if len(websocket_helper.clients) > 0:
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# There are clients
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websocket_helper.broadcast_page('/panel/dashboard', 'update_host_stats', {
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'cpu_usage': host_stats.get('cpu_usage'),
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'cpu_cores': host_stats.get('cpu_cores'),
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'cpu_cur_freq': host_stats.get('cpu_cur_freq'),
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'cpu_max_freq': host_stats.get('cpu_max_freq'),
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'mem_percent': host_stats.get('mem_percent'),
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'mem_usage': host_stats.get('mem_usage')
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})
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servers = self.controller.servers_list
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servers_ping = []
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for srv in servers:
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server_data = srv.get('server_data_obj', False)
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if server_data:
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server_id = server_data.get('server_id', False)
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srv['raw_ping_result'] = self.controller.stats.get_raw_server_stats(server_id)
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if ("{}".format(srv['raw_ping_result'].get('icon')) == "b''"):
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srv['raw_ping_result']['icon'] = False
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servers_ping.append({
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'id': srv['raw_ping_result'].get('id'),
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'started': srv['raw_ping_result'].get('started'),
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'running': srv['raw_ping_result'].get('running'),
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'cpu': srv['raw_ping_result'].get('cpu'),
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'mem': srv['raw_ping_result'].get('mem'),
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'mem_percent': srv['raw_ping_result'].get('mem_percent'),
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'world_name': srv['raw_ping_result'].get('world_name'),
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'world_size': srv['raw_ping_result'].get('world_size'),
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'server_port': srv['raw_ping_result'].get('server_port'),
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'int_ping_results': srv['raw_ping_result'].get('int_ping_results'),
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'online': srv['raw_ping_result'].get('online'),
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'max': srv['raw_ping_result'].get('max'),
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'players': srv['raw_ping_result'].get('players'),
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'desc': srv['raw_ping_result'].get('desc'),
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'version': srv['raw_ping_result'].get('version'),
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'icon': srv['raw_ping_result'].get('icon')
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})
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if (len(websocket_helper.clients) > 0):
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websocket_helper.broadcast_page_params(
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'/panel/server_detail',
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{
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'id': str(server_id)
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},
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'update_server_details',
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{
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'id': srv['raw_ping_result'].get('id'),
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'started': srv['raw_ping_result'].get('started'),
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'running': srv['raw_ping_result'].get('running'),
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'cpu': srv['raw_ping_result'].get('cpu'),
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'mem': srv['raw_ping_result'].get('mem'),
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'mem_percent': srv['raw_ping_result'].get('mem_percent'),
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'world_name': srv['raw_ping_result'].get('world_name'),
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'world_size': srv['raw_ping_result'].get('world_size'),
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'server_port': srv['raw_ping_result'].get('server_port'),
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'int_ping_results': srv['raw_ping_result'].get('int_ping_results'),
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'online': srv['raw_ping_result'].get('online'),
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'max': srv['raw_ping_result'].get('max'),
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'players': srv['raw_ping_result'].get('players'),
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'desc': srv['raw_ping_result'].get('desc'),
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'version': srv['raw_ping_result'].get('version'),
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'icon': srv['raw_ping_result'].get('icon')
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}
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)
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if (len(servers_ping) > 0) & (len(websocket_helper.clients) > 0):
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try:
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websocket_helper.broadcast_page('/panel/dashboard', 'update_server_status', servers_ping)
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websocket_helper.broadcast_page('/status', 'update_server_status', servers_ping)
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except:
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console.warning("Can't broadcast server status to websocket")
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time.sleep(5)
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def log_watcher(self):
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self.controller.servers.check_for_old_logs()
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self.scheduler.add_job(self.controller.servers.check_for_old_logs, 'interval', hours=6, id="log-mgmt")
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