kapsikkum-unmanic – Rev 1
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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
unmanic.service.py
Written by: Josh.5 <jsunnex@gmail.com>
Date: 06 Dec 2018, (7:21 AM)
Copyright:
Copyright (C) Josh Sunnex - All Rights Reserved
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
OR OTHER DEALINGS IN THE SOFTWARE.
"""
import argparse
import os
import time
import queue
import signal
import threading
from unmanic import config, metadata
from unmanic.libs import libraryscanner, unlogger, common, eventmonitor
from unmanic.libs.db_migrate import Migrations
from unmanic.libs.scheduler import ScheduledTasksManager
from unmanic.libs.taskqueue import TaskQueue
from unmanic.libs.postprocessor import PostProcessor
from unmanic.libs.taskhandler import TaskHandler
from unmanic.libs.uiserver import FrontendPushMessages, UIServer
from unmanic.libs.foreman import Foreman
unmanic_logging = unlogger.UnmanicLogger.__call__()
main_logger = unmanic_logging.get_logger()
def init_db(config_path):
# Set paths
app_dir = os.path.dirname(os.path.abspath(__file__))
# Set database connection settings
database_settings = {
"TYPE": "SQLITE",
"FILE": os.path.join(config_path, 'unmanic.db'),
"MIGRATIONS_DIR": os.path.join(app_dir, 'migrations_v1'),
"MIGRATIONS_HISTORY_VERSION": 'v1',
}
# Ensure the config path exists
if not os.path.exists(config_path):
os.makedirs(config_path)
# Create database connection
from unmanic.libs.unmodels.lib import Database
db_connection = Database.select_database(database_settings)
# Run database migrations
migrations = Migrations(database_settings)
migrations.update_schema()
# Return the database connection
return db_connection
class Service:
def __init__(self):
self.threads = []
self.run_threads = True
self.db_connection = None
self.developer = None
self.dev_local_api = None
self.event = threading.Event()
def start_handler(self, data_queues, task_queue):
main_logger.info("Starting TaskHandler")
handler = TaskHandler(data_queues, task_queue, self.event)
handler.daemon = True
handler.start()
self.threads.append({
'name': 'TaskHandler',
'thread': handler
})
return handler
def start_post_processor(self, data_queues, task_queue):
main_logger.info("Starting PostProcessor")
postprocessor = PostProcessor(data_queues, task_queue, self.event)
postprocessor.daemon = True
postprocessor.start()
self.threads.append({
'name': 'PostProcessor',
'thread': postprocessor
})
return postprocessor
def start_foreman(self, data_queues, settings, task_queue):
main_logger.info("Starting Foreman")
foreman = Foreman(data_queues, settings, task_queue, self.event)
foreman.daemon = True
foreman.start()
self.threads.append({
'name': 'Foreman',
'thread': foreman
})
return foreman
def start_library_scanner_manager(self, data_queues):
main_logger.info("Starting LibraryScannerManager")
library_scanner_manager = libraryscanner.LibraryScannerManager(data_queues, self.event)
library_scanner_manager.daemon = True
library_scanner_manager.start()
self.threads.append({
'name': 'LibraryScannerManager',
'thread': library_scanner_manager
})
return library_scanner_manager
def start_inotify_watch_manager(self, data_queues, settings):
if eventmonitor.event_monitor_module:
main_logger.info("Starting EventMonitorManager")
event_monitor_manager = eventmonitor.EventMonitorManager(data_queues, self.event)
event_monitor_manager.daemon = True
event_monitor_manager.start()
self.threads.append({
'name': 'EventMonitorManager',
'thread': event_monitor_manager
})
return event_monitor_manager
else:
main_logger.warn("Unable to start EventMonitorManager as no event monitor module was found")
def start_ui_server(self, data_queues, foreman):
main_logger.info("Starting UIServer")
uiserver = UIServer(data_queues, foreman, self.developer)
uiserver.daemon = True
uiserver.start()
self.threads.append({
'name': 'UIServer',
'thread': uiserver
})
return uiserver
def start_scheduled_tasks_manager(self):
main_logger.info("Starting ScheduledTasksManager")
scheduled_tasks_manager = ScheduledTasksManager(self.event)
scheduled_tasks_manager.daemon = True
scheduled_tasks_manager.start()
self.threads.append({
'name': 'ScheduledTasksManager',
'thread': scheduled_tasks_manager
})
return scheduled_tasks_manager
@staticmethod
def initial_register_unmanic(dev_local_api):
from unmanic.libs import session
s = session.Session(dev_local_api=dev_local_api)
s.register_unmanic(s.get_installation_uuid())
def start_threads(self, settings):
# Create our data queues
data_queues = {
"library_scanner_triggers": queue.Queue(maxsize=1),
"scheduledtasks": queue.Queue(),
"inotifytasks": queue.Queue(),
"progress_reports": queue.Queue(),
"frontend_messages": FrontendPushMessages(),
"logging": unmanic_logging
}
# Clear cache directory
main_logger.info("Clearing previous cache")
common.clean_files_in_cache_dir(settings.get_cache_path())
main_logger.info("Starting all threads")
# Register installation
self.initial_register_unmanic(self.dev_local_api)
# Setup job queue
task_queue = TaskQueue(data_queues)
# Setup post-processor thread
self.start_post_processor(data_queues, task_queue)
# Start the foreman thread
foreman = self.start_foreman(data_queues, settings, task_queue)
# Start new thread to handle messages from service
self.start_handler(data_queues, task_queue)
# Start scheduled thread
self.start_library_scanner_manager(data_queues)
# Start inotify watch manager
self.start_inotify_watch_manager(data_queues, settings)
# Start new thread to run the web UI
self.start_ui_server(data_queues, foreman)
# Start new thread to run the scheduled tasks manager
self.start_scheduled_tasks_manager()
def stop_threads(self):
main_logger.info("Stopping all threads")
self.event.set()
for thread in self.threads:
main_logger.info("Sending thread {} abort signal".format(thread['name']))
thread['thread'].stop()
for thread in self.threads:
main_logger.info("Waiting for thread {} to stop".format(thread['name']))
thread['thread'].join(10)
main_logger.info("Thread {} has successfully stopped".format(thread['name']))
self.threads = []
def sig_handle(self, signum, frame):
main_logger.info("Received {}".format(signum))
self.stop()
def stop(self):
self.run_threads = False
def run(self):
# Init the configuration
settings = config.Config()
# Init the database
self.db_connection = init_db(settings.get_config_path())
# Start all threads
self.start_threads(settings)
# Watch for the term signal
if os.name == "nt":
while self.run_threads:
try:
time.sleep(1)
except (KeyboardInterrupt, SystemExit) as e:
break
else:
signal.signal(signal.SIGINT, self.sig_handle)
signal.signal(signal.SIGTERM, self.sig_handle)
while self.run_threads:
signal.pause()
time.sleep(.5)
# Received term signal. Stop everything
self.stop_threads()
self.db_connection.stop()
while not self.db_connection.is_stopped():
time.sleep(.5)
continue
main_logger.info("Exit Unmanic")
def main():
parser = argparse.ArgumentParser(description='Unmanic')
parser.add_argument('--version', action='version',
version='%(prog)s {version}'.format(version=metadata.read_version_string('long')))
parser.add_argument('--manage_plugins', action='store_true',
help='manage installed plugins')
parser.add_argument('--dev',
action='store_true',
help='Enable developer mode')
parser.add_argument('--dev-local-api',
action='store_true',
help='Enable development against local unmanic support api')
parser.add_argument('--port', nargs='?',
help='Specify the port to run the webserver on')
# parser.add_argument('--unmanic_path', nargs='?',
# help='Specify the unmanic configuration path instead of ~/.unmanic')
args = parser.parse_args()
# Configure application from args
settings = config.Config(
port=args.port,
unmanic_path=None
)
if args.manage_plugins:
# Init the DB connection
db_connection = init_db(settings.get_config_path())
# Run the plugin manager CLI
from unmanic.libs.unplugins.pluginscli import PluginsCLI
plugin_cli = PluginsCLI()
plugin_cli.run()
# Stop the DB connection
db_connection.stop()
while not db_connection.is_stopped():
time.sleep(.2)
continue
else:
# Run the main Unmanic service
service = Service()
service.developer = args.dev
service.dev_local_api = args.dev_local_api
service.run()
if __name__ == "__main__":
main()