1<%def name="resolver_component_tests(tests)">#!/usr/bin/env python 2# Copyright 2015 gRPC authors. 3# 4# Licensed under the Apache License, Version 2.0 (the "License"); 5# you may not use this file except in compliance with the License. 6# You may obtain a copy of the License at 7# 8# http://www.apache.org/licenses/LICENSE-2.0 9# 10# Unless required by applicable law or agreed to in writing, software 11# distributed under the License is distributed on an "AS IS" BASIS, 12# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13# See the License for the specific language governing permissions and 14# limitations under the License. 15 16# This file is auto-generated 17 18import argparse 19import sys 20import subprocess 21import tempfile 22import os 23import time 24import signal 25import platform 26 27 28argp = argparse.ArgumentParser(description='Run c-ares resolver tests') 29argp.add_argument('--test_bin_path', default=None, type=str, 30 help='Path to gtest test binary to invoke.') 31argp.add_argument('--dns_server_bin_path', default=None, type=str, 32 help='Path to local DNS server python script.') 33argp.add_argument('--records_config_path', default=None, type=str, 34 help=('Path to DNS records yaml file that ' 35 'specifies records for the DNS sever. ')) 36argp.add_argument('--dns_server_port', default=None, type=int, 37 help=('Port that local DNS server is listening on.')) 38argp.add_argument('--dns_resolver_bin_path', default=None, type=str, 39 help=('Path to the DNS health check utility.')) 40argp.add_argument('--tcp_connect_bin_path', default=None, type=str, 41 help=('Path to the TCP health check utility.')) 42argp.add_argument('--extra_args', default='', type=str, 43 help=('Comma-separate list of command args to ' 44 'plumb through to --test_bin_path')) 45args = argp.parse_args() 46 47def test_runner_log(msg): 48 sys.stderr.write('\n%s: %s\n' % (__file__, msg)) 49 50def python_args(arg_list): 51 if platform.system() == 'Windows': 52 return [sys.executable] + arg_list 53 return arg_list 54 55cur_resolver = os.environ.get('GRPC_DNS_RESOLVER') 56if cur_resolver and cur_resolver != 'ares': 57 test_runner_log(('WARNING: cur resolver set to %s. This set of tests ' 58 'needs to use GRPC_DNS_RESOLVER=ares.')) 59 test_runner_log('Exit 1 without running tests.') 60 sys.exit(1) 61os.environ.update({'GRPC_TRACE': 'cares_resolver,cares_address_sorting'}) 62 63def wait_until_dns_server_is_up(args, 64 dns_server_subprocess, 65 dns_server_subprocess_output): 66 for i in range(0, 30): 67 test_runner_log('Health check: attempt to connect to DNS server over TCP.') 68 tcp_connect_subprocess = subprocess.Popen(python_args([ 69 args.tcp_connect_bin_path, 70 '--server_host', '127.0.0.1', 71 '--server_port', str(args.dns_server_port), 72 '--timeout', str(1)])) 73 tcp_connect_subprocess.communicate() 74 if tcp_connect_subprocess.returncode == 0: 75 test_runner_log(('Health check: attempt to make an A-record ' 76 'query to DNS server.')) 77 dns_resolver_subprocess = subprocess.Popen(python_args([ 78 args.dns_resolver_bin_path, 79 '--qname', 'health-check-local-dns-server-is-alive.resolver-tests.grpctestingexp', 80 '--server_host', '127.0.0.1', 81 '--server_port', str(args.dns_server_port)]), 82 stdout=subprocess.PIPE) 83 dns_resolver_stdout, _ = dns_resolver_subprocess.communicate(str.encode('ascii')) 84 if dns_resolver_subprocess.returncode == 0: 85 if '123.123.123.123'.encode('ascii') in dns_resolver_stdout: 86 test_runner_log(('DNS server is up! ' 87 'Successfully reached it over UDP and TCP.')) 88 return 89 time.sleep(0.1) 90 dns_server_subprocess.kill() 91 dns_server_subprocess.wait() 92 test_runner_log(('Failed to reach DNS server over TCP and/or UDP. ' 93 'Exitting without running tests.')) 94 test_runner_log('======= DNS server stdout ' 95 '(merged stdout and stderr) =============') 96 with open(dns_server_subprocess_output, 'r') as l: 97 test_runner_log(l.read()) 98 test_runner_log('======= end DNS server output=========') 99 sys.exit(1) 100 101dns_server_subprocess_output = tempfile.mktemp() 102with open(dns_server_subprocess_output, 'w') as l: 103 dns_server_subprocess = subprocess.Popen(python_args([ 104 args.dns_server_bin_path, 105 '--port', str(args.dns_server_port), 106 '--records_config_path', args.records_config_path]), 107 stdin=subprocess.PIPE, 108 stdout=l, 109 stderr=l) 110 111def _quit_on_signal(signum, _frame): 112 test_runner_log('Received signal: %d' % signum) 113 dns_server_subprocess.kill() 114 dns_server_subprocess.wait() 115 sys.exit(1) 116 117signal.signal(signal.SIGINT, _quit_on_signal) 118signal.signal(signal.SIGTERM, _quit_on_signal) 119wait_until_dns_server_is_up(args, 120 dns_server_subprocess, 121 dns_server_subprocess_output) 122num_test_failures = 0 123 124% for test in tests: 125test_runner_log('Run test with target: %s' % '${test['test_title']}')\ 126 127current_test_subprocess = subprocess.Popen([\ 128 129 args.test_bin_path,\ 130 131 % for arg_name_and_value in test['arg_names_and_values']: 132\ 133 '--${arg_name_and_value[0]}', '${arg_name_and_value[1]}',\ 134 135\ 136 % endfor 137 '--local_dns_server_address', '127.0.0.1:%d' % args.dns_server_port 138 ] + args.extra_args.split(','))\ 139 140current_test_subprocess.communicate()\ 141 142if current_test_subprocess.returncode != 0:\ 143 144 num_test_failures += 1 145 146% endfor 147test_runner_log('now kill DNS server') 148dns_server_subprocess.kill() 149dns_server_subprocess.wait() 150test_runner_log('%d tests failed.' % num_test_failures) 151sys.exit(num_test_failures)</%def> 152