apisix/t/discovery/dns/sanity.t
罗泽轩 2a6e2b4247
feat: add dns discovery (#3629)
Fix #3517
Signed-off-by: spacewander <spacewanderlzx@gmail.com>
2021-02-25 09:42:31 +08:00

189 lines
4.0 KiB
Perl

#
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You 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.
#
use t::APISIX 'no_plan';
master_on();
repeat_each(1);
no_root_location();
no_shuffle();
add_block_preprocessor(sub {
my ($block) = @_;
if (!$block->yaml_config) {
my $yaml_config = <<_EOC_;
apisix:
node_listen: 1984
config_center: yaml
enable_admin: false
discovery: # service discovery center
dns:
servers:
- "127.0.0.1:1053"
_EOC_
$block->set_value("yaml_config", $yaml_config);
}
if ($block->apisix_yaml) {
my $upstream = <<_EOC_;
routes:
-
id: 1
uris:
- /hello
upstream_id: 1
#END
_EOC_
$block->set_value("apisix_yaml", $block->apisix_yaml . $upstream);
}
if (!$block->request) {
$block->set_value("request", "GET /hello");
}
if ((!defined $block->error_log) && (!defined $block->no_error_log)) {
$block->set_value("no_error_log", "[error]");
}
});
run_tests();
__DATA__
=== TEST 1: default port to 53
--- log_level: debug
--- yaml_config
apisix:
node_listen: 1984
config_center: yaml
enable_admin: false
discovery: # service discovery center
dns:
servers:
- "127.0.0.1"
--- apisix_yaml
upstreams:
- service_name: sd.test.local
discovery_type: dns
type: roundrobin
id: 1
--- error_code: 503
--- error_log
connect to 127.0.0.1:53
=== TEST 2: A
--- apisix_yaml
upstreams:
- service_name: "sd.test.local:1980"
discovery_type: dns
type: roundrobin
id: 1
--- grep_error_log eval
qr/upstream nodes: \{[^}]+\}/
--- grep_error_log_out eval
qr/upstream nodes: \{("127.0.0.1:1980":1,"127.0.0.2:1980":1|"127.0.0.2:1980":1,"127.0.0.1:1980":1)\}/
--- response_body
hello world
=== TEST 3: AAAA
--- listen_ipv6
--- apisix_yaml
upstreams:
- service_name: "ipv6.sd.test.local:1980"
discovery_type: dns
type: roundrobin
id: 1
--- response_body
hello world
=== TEST 4: prefer A to AAAA
--- listen_ipv6
--- apisix_yaml
upstreams:
- service_name: "mix.sd.test.local:1980"
discovery_type: dns
type: roundrobin
id: 1
--- response_body
hello world
=== TEST 5: no /etc/hosts
--- apisix_yaml
upstreams:
- service_name: test.com
discovery_type: dns
type: roundrobin
id: 1
--- error_log
failed to query the DNS server
--- error_code: 503
=== TEST 6: no /etc/resolv.conf
--- yaml_config
apisix:
node_listen: 1984
config_center: yaml
enable_admin: false
enable_resolv_search_option: false
discovery: # service discovery center
dns:
servers:
- "127.0.0.1:1053"
--- apisix_yaml
upstreams:
- service_name: apisix
discovery_type: dns
type: roundrobin
id: 1
--- error_log
failed to query the DNS server
--- error_code: 503
=== TEST 7: bad discovery configuration
--- yaml_config
apisix:
node_listen: 1984
config_center: yaml
enable_admin: false
enable_resolv_search_option: false
discovery: # service discovery center
dns:
servers: "127.0.0.1:1053"
--- apisix_yaml
upstreams:
- service_name: apisix
discovery_type: dns
type: roundrobin
id: 1
--- error_log
invalid dns discovery configuration
--- error_code: 500