def init_app():
"""Initialise the web server."""
LOG.info('Initialising web server.')
app = web.Application(middlewares=[api_key()])
app.router.add_routes(routes)
set_cors(app)
app.on_startup.append(init_db)
app.on_cleanup.append(close_db)
return app
async def init_db(app):
"""Initialise a database connection pool."""
LOG.info('Creating database connection pool.')
app['pool'] = await init_db_pool(
host=os.environ.get('DB_HOST',
CONFIG.registry.get('db_host', 'localhost')),
port=os.environ.get('DB_PORT', CONFIG.registry.get('db_port', '5432')),
user=os.environ.get('DB_USER', CONFIG.registry.get('db_user', 'user')),
passwd=os.environ.get('DB_PASS',
CONFIG.registry.get('db_pass', 'pass')),
db=os.environ.get('DB_NAME', CONFIG.registry.get('db_name', 'db')))
def main():
"""Run the web server."""
LOG.info('Starting server build.')
web.run_app(init_app(),
host=os.environ.get(
'APP_HOST', CONFIG.aggregator.get('app_host', '0.0.0.0')),
port=int(
os.environ.get('APP_PORT',
CONFIG.aggregator.get('app_port', 8080))),
shutdown_timeout=0,
ssl_context=application_security())
async def close_db(app):
"""Close the database connection pool."""
LOG.info('Closing database connection pool.')
await app['pool'].close()
def init_app():
"""Initialise the web server."""
LOG.info('Initialising web server.')
app = web.Application(middlewares=[api_key()])
app.router.add_routes(routes)
set_cors(app)
app.on_startup.append(init_db)
app.on_cleanup.append(close_db)
return app
def main():
"""Run the web server."""
LOG.info('Starting server build.')
web.run_app(init_app(),
host=os.environ.get('APP_HOST',
CONFIG.registry.get('app_host',
'0.0.0.0')),
port=int(
os.environ.get('APP_PORT',
CONFIG.registry.get('app_port', 8080))),
shutdown_timeout=0,
ssl_context=application_security())
if __name__ == '__main__':
assert sys.version_info >= (3,
6), "This service requires python3.6 or above"
LOG.info('Starting web server start-up routines.')
main()