Source code for jina.checker

from .logging.predefined import default_logger

if False:
    # fix type-hint complain for sphinx and flake
    import argparse


[docs]class NetworkChecker: """Check if a BasePod is running or not.""" def __init__(self, args: 'argparse.Namespace'): """ Create a new :class:`NetworkChecker`. :param args: args provided by the CLI. """ from .peapods.zmq import send_ctrl_message from .logging.profile import TimeContext from google.protobuf.json_format import MessageToJson import time ctrl_addr = f'tcp://{args.host}:{args.port}' try: total_time = 0 total_success = 0 for j in range(args.retries): with TimeContext( f'ping {ctrl_addr} at {j} round', default_logger ) as tc: r = send_ctrl_message(ctrl_addr, 'STATUS', timeout=args.timeout) if not r: default_logger.warning( 'not responding, retry (%d/%d) in 1s' % (j + 1, args.retries) ) else: total_success += 1 if args.print_response: default_logger.info(f'returns {MessageToJson(r.proto)}') total_time += tc.duration time.sleep(1) if total_success < args.retries: default_logger.warning( 'message lost %.0f%% (%d/%d) ' % ( (1 - total_success / args.retries) * 100, args.retries - total_success, args.retries, ) ) if total_success > 0: default_logger.success( 'avg. latency: %.0f ms' % (total_time / total_success * 1000) ) exit(0) except KeyboardInterrupt: pass # returns 1 (anomaly) when it comes to here exit(1)