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<%def name="resolver_component_tests(tests)">#!/bin/bash
# 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
set -ex
# all command args required in this set order
FLAGS_test_bin_path=$(echo "$1" | grep '\--test_bin_path=' | cut -d "=" -f 2)
FLAGS_dns_server_bin_path=$(echo "$2" | grep '\--dns_server_bin_path=' | cut -d "=" -f 2)
FLAGS_records_config_path=$(echo "$3" | grep '\--records_config_path=' | cut -d "=" -f 2)
FLAGS_test_dns_server_port=$(echo "$4" | grep '\--test_dns_server_port=' | cut -d "=" -f 2)
for cmd_arg in "$FLAGS_test_bin_path" "$FLAGS_dns_server_bin_path" "$FLAGS_records_config_path" "$FLAGS_test_dns_server_port"; do
if [[ "$cmd_arg" == "" ]]; then
echo "Missing a CMD arg" && exit 1
fi
done
if [[ "$GRPC_DNS_RESOLVER" != "" && "$GRPC_DNS_RESOLVER" != ares ]]; then
echo "This test only works under GRPC_DNS_RESOLVER=ares. Have GRPC_DNS_RESOLVER=$GRPC_DNS_RESOLVER" && exit 1
fi
export GRPC_DNS_RESOLVER=ares
"$FLAGS_dns_server_bin_path" --records_config_path="$FLAGS_records_config_path" --port="$FLAGS_test_dns_server_port" > /dev/null 2>&1 &
DNS_SERVER_PID=$!
echo "Local DNS server started. PID: $DNS_SERVER_PID"
# Health check local DNS server TCP and UDP ports
for ((i=0;i<30;i++));
do
echo "Retry health-check DNS query to local DNS server over tcp and udp"
RETRY=0
dig A health-check-local-dns-server-is-alive.resolver-tests.grpctestingexp. @localhost -p "$FLAGS_test_dns_server_port" +tries=1 +timeout=1 | grep '123.123.123.123' || RETRY=1
dig A health-check-local-dns-server-is-alive.resolver-tests.grpctestingexp. @localhost -p "$FLAGS_test_dns_server_port" +tries=1 +timeout=1 +tcp | grep '123.123.123.123' || RETRY=1
if [[ "$RETRY" == 0 ]]; then
break
fi;
sleep 0.1
done
if [[ $RETRY == 1 ]]; then
echo "FAILED TO START LOCAL DNS SERVER"
kill -SIGTERM "$DNS_SERVER_PID"
wait
exit 1
fi
function terminate_all {
echo "Received signal. Terminating $! and $DNS_SERVER_PID"
kill -SIGTERM "$!" || true
kill -SIGTERM "$DNS_SERVER_PID" || true
wait
exit 1
}
trap terminate_all SIGTERM SIGINT
EXIT_CODE=0
# TODO: this test should check for GCE residency and skip tests using _grpclb._tcp.* SRV records once GCE residency checks are made
# in the resolver.
% for test in tests:
$FLAGS_test_bin_path \\
--target_name='${test['target_name']}' \\
--expected_addrs='${test['expected_addrs']}' \\
--expected_chosen_service_config='${test['expected_chosen_service_config']}' \\
--expected_lb_policy='${test['expected_lb_policy']}' \\
--local_dns_server_address="127.0.0.1:$FLAGS_test_dns_server_port" &
wait "$!" || EXIT_CODE=1
% endfor
kill -SIGTERM "$DNS_SERVER_PID" || true
wait
exit $EXIT_CODE</%def>
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