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<%def name="resolver_component_tests(tests)">#!/usr/bin/env python
# Copyright 2015 gRPC authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# This file is auto-generated
import argparse
import sys
import subprocess
import tempfile
import os
import time
import signal
import platform
argp = argparse.ArgumentParser(description='Run c-ares resolver tests')
argp.add_argument('--test_bin_path', default=None, type=str,
help='Path to gtest test binary to invoke.')
argp.add_argument('--dns_server_bin_path', default=None, type=str,
help='Path to local DNS server python script.')
argp.add_argument('--records_config_path', default=None, type=str,
help=('Path to DNS records yaml file that '
'specifies records for the DNS sever. '))
argp.add_argument('--dns_server_port', default=None, type=int,
help=('Port that local DNS server is listening on.'))
argp.add_argument('--dns_resolver_bin_path', default=None, type=str,
help=('Path to the DNS health check utility.'))
argp.add_argument('--tcp_connect_bin_path', default=None, type=str,
help=('Path to the TCP health check utility.'))
args = argp.parse_args()
def test_runner_log(msg):
sys.stderr.write('\n%s: %s\n' % (__file__, msg))
def python_args(arg_list):
if platform.system() == 'Windows':
return [sys.executable] + arg_list
return arg_list
cur_resolver = os.environ.get('GRPC_DNS_RESOLVER')
if cur_resolver and cur_resolver != 'ares':
test_runner_log(('WARNING: cur resolver set to %s. This set of tests '
'needs to use GRPC_DNS_RESOLVER=ares.'))
test_runner_log('Exit 1 without running tests.')
sys.exit(1)
os.environ.update({'GRPC_DNS_RESOLVER': 'ares'})
os.environ.update({'GRPC_TRACE': 'cares_resolver'})
def wait_until_dns_server_is_up(args,
dns_server_subprocess,
dns_server_subprocess_output):
for i in range(0, 30):
test_runner_log('Health check: attempt to connect to DNS server over TCP.')
tcp_connect_subprocess = subprocess.Popen(python_args([
args.tcp_connect_bin_path,
'--server_host', '127.0.0.1',
'--server_port', str(args.dns_server_port),
'--timeout', str(1)]))
tcp_connect_subprocess.communicate()
if tcp_connect_subprocess.returncode == 0:
test_runner_log(('Health check: attempt to make an A-record '
'query to DNS server.'))
dns_resolver_subprocess = subprocess.Popen(python_args([
args.dns_resolver_bin_path,
'--qname', 'health-check-local-dns-server-is-alive.resolver-tests.grpctestingexp',
'--server_host', '127.0.0.1',
'--server_port', str(args.dns_server_port)]),
stdout=subprocess.PIPE)
dns_resolver_stdout, _ = dns_resolver_subprocess.communicate()
if dns_resolver_subprocess.returncode == 0:
if '123.123.123.123' in dns_resolver_stdout:
test_runner_log(('DNS server is up! '
'Successfully reached it over UDP and TCP.'))
return
time.sleep(0.1)
dns_server_subprocess.kill()
dns_server_subprocess.wait()
test_runner_log(('Failed to reach DNS server over TCP and/or UDP. '
'Exitting without running tests.'))
test_runner_log('======= DNS server stdout '
'(merged stdout and stderr) =============')
with open(dns_server_subprocess_output, 'r') as l:
test_runner_log(l.read())
test_runner_log('======= end DNS server output=========')
sys.exit(1)
dns_server_subprocess_output = tempfile.mktemp()
with open(dns_server_subprocess_output, 'w') as l:
dns_server_subprocess = subprocess.Popen(python_args([
args.dns_server_bin_path,
'--port', str(args.dns_server_port),
'--records_config_path', args.records_config_path]),
stdin=subprocess.PIPE,
stdout=l,
stderr=l)
def _quit_on_signal(signum, _frame):
test_runner_log('Received signal: %d' % signum)
dns_server_subprocess.kill()
dns_server_subprocess.wait()
sys.exit(1)
signal.signal(signal.SIGINT, _quit_on_signal)
signal.signal(signal.SIGTERM, _quit_on_signal)
wait_until_dns_server_is_up(args,
dns_server_subprocess,
dns_server_subprocess_output)
num_test_failures = 0
% for test in tests:
test_runner_log('Run test with target: %s' % '${test['test_title']}')\
current_test_subprocess = subprocess.Popen([\
args.test_bin_path,\
% for arg_name_and_value in test['arg_names_and_values']:
\
'--${arg_name_and_value[0]}', '${arg_name_and_value[1]}',\
\
% endfor
'--local_dns_server_address', '127.0.0.1:%d' % args.dns_server_port])\
current_test_subprocess.communicate()\
if current_test_subprocess.returncode != 0:\
num_test_failures += 1
% endfor
test_runner_log('now kill DNS server')
dns_server_subprocess.kill()
dns_server_subprocess.wait()
test_runner_log('%d tests failed.' % num_test_failures)
sys.exit(num_test_failures)</%def>
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