def run():
"""
Entry point to this microservice.
"""
args = get_cli_parser().parse_args()
# schedule the internal event consumer
# that will run until we terminate this service
asyncio.ensure_future(consume_events(topic=args.topic.encode('utf-8'),
group=args.group,
addr=args.broker,
callback=event_handler))
# let's start the REST server that will
# serve the view's resource
srv = loop.run_until_complete(webserver(args.addr, args.port))
loop.run_until_complete(route_to_resource(bookshelf_view))
# finally, let's advertize this service
# to the rest of the world
svc = loop.run_until_complete(register_service(
id=args.id,
name=args.name,
port=args.port,
address=args.addr,
tags=args.tags
)
)
try:
loop.run_forever()
except KeyboardInterrupt:
pass
finally:
loop.run_until_complete(deregister_service(svc))
loop.run_until_complete(stop_consuming_events())
srv.close()
loop.run_until_complete(srv.wait_closed())
# give the time for remaining requests to complete
loop.run_until_complete(asyncio.sleep(2))
loop.close()
def test_parse_kafka_broker_address_is_mandatory():
parser = utils.get_cli_parser()
with pytest.raises(SystemExit) as excinfo:
parser.parse_args(['--topic', 'test'])
def test_parse_default_service_listening_address_is_localhost():
parser = utils.get_cli_parser()
args = parser.parse_args(['--broker', 'addr', '--topic', 'test'])
assert args.addr == '127.0.0.1'
def test_parse_default_service_listening_port_is_localhost():
parser = utils.get_cli_parser()
args = parser.parse_args(['--broker', 'addr', '--topic', 'test'])
assert args.port == 8080
def test_parse_kafka_topic_is_mandatory():
parser = utils.get_cli_parser()
with pytest.raises(SystemExit) as excinfo:
parser.parse_args(['--broker', 'addr'])
