110 lines
3.3 KiB
Python
110 lines
3.3 KiB
Python
import logging
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import aiojobs.aiohttp
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import asyncio
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from aiohttp import web
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import lbry_comment_server.writes as writes
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import schema.db_helpers as helpers
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from lbry_comment_server.database import obtain_connection
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from lbry_comment_server.handles import api_endpoint
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from lbry_comment_server.settings import config
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logger = logging.getLogger(__name__)
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logger.setLevel(logging.DEBUG)
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formatter = logging.Formatter(config['LOGGING_FORMAT'])
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debug_handler = logging.FileHandler(config['PATH']['LOG'])
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error_handler = logging.FileHandler(config['PATH']['ERROR_LOG'])
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stdout_handler = logging.StreamHandler()
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debug_handler.setLevel(logging.DEBUG)
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error_handler.setLevel(logging.ERROR)
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stdout_handler.setLevel(logging.DEBUG)
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debug_handler.setFormatter(formatter)
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error_handler.setFormatter(formatter)
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stdout_handler.setFormatter(formatter)
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logger.addHandler(debug_handler)
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logger.addHandler(error_handler)
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logger.addHandler(stdout_handler)
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async def setup_db_schema(app):
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logger.info('Setting up schema in %s', app['db_path'])
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helpers.setup_database(app['db_path'])
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async def close_comment_scheduler(app):
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logger.debug('Closing comment_scheduler')
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await app['comment_scheduler'].close()
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async def create_database_backup(app):
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try:
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while True:
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await asyncio.sleep(app['config']['BACKUP_INT'])
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with obtain_connection(app['db_path']) as conn:
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logger.debug('%s backing up database')
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helpers.backup_database(conn, app['backup'])
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except asyncio.CancelledError as e:
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pass
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async def start_background_tasks(app: web.Application):
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app['waitful_backup'] = app.loop.create_task(create_database_backup(app))
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app['comment_scheduler'] = await writes.create_comment_scheduler()
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app['writer'] = writes.DatabaseWriter(config['PATH']['DEFAULT'])
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async def cleanup_background_tasks(app):
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logger.debug('Ending background backup loop')
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app['waitful_backup'].cancel()
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await app['waitful_backup']
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app['reader'].close()
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app['writer'].close()
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def create_app(**kwargs):
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app = web.Application()
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app['config'] = config
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app['db_path'] = config['PATH']['DEFAULT']
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app['backup'] = config['PATH']['BACKUP']
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app.on_startup.append(setup_db_schema)
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app.on_startup.append(start_background_tasks)
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app['reader'] = obtain_connection(app['db_path'], True)
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app.on_shutdown.append(close_comment_scheduler)
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app.on_shutdown.append(cleanup_background_tasks)
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aiojobs.aiohttp.setup(app, **kwargs)
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app.add_routes([web.post('/api', api_endpoint)])
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return app
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async def stop_app(runner):
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logger.info('stopping app; running cleanup routine')
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await runner.cleanup()
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async def run_app(app, duration=3600):
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runner = None
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try:
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runner = web.AppRunner(app)
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await runner.setup()
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site = web.TCPSite(runner, config['HOST'], config['PORT'])
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await site.start()
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await asyncio.sleep(duration)
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except asyncio.CancelledError as cerr:
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pass
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finally:
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await stop_app(runner)
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if __name__ == '__main__':
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appl = create_app(close_timeout=5.0)
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try:
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asyncio.run(web.run_app(appl, access_log=logger, host=config['HOST'], port=config['PORT']))
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except asyncio.CancelledError:
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pass
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except ValueError:
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pass
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