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mix.t
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mix.t
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#
# 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.
#
BEGIN {
$ENV{CUSTOM_DNS_SERVER} = "127.0.0.1:1053";
}
use t::APISIX 'no_plan';
repeat_each(1);
no_root_location();
no_shuffle();
add_block_preprocessor(sub {
my ($block) = @_;
if (!$block->yaml_config) {
my $yaml_config = <<_EOC_;
apisix:
node_listen: 1984
enable_admin: false
deployment:
role: data_plane
role_data_plane:
config_provider: yaml
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
-
id: 2
uris:
- /hello_chunked
upstream_id: 2
#END
_EOC_
$block->set_value("apisix_yaml", $block->apisix_yaml . $upstream);
}
if (!$block->request) {
$block->set_value("request", "GET /hello");
}
});
run_tests();
__DATA__
=== TEST 1: mix cache between discovery & global resolver
--- log_level: debug
--- apisix_yaml
upstreams:
-
id: 1
nodes:
ttl.1s.test.local:1980: 1
type: roundrobin
-
id: 2
service_name: "ttl.1s.test.local:1980"
discovery_type: dns
type: roundrobin
--- config
location /t {
content_by_lua_block {
local http = require "resty.http"
local uri1 = "http://127.0.0.1:" .. ngx.var.server_port .. "/hello"
local uri2 = "http://127.0.0.1:" .. ngx.var.server_port .. "/hello_chunked"
for i = 1, 2 do
for j = 1, 3 do
local httpc = http.new()
local res, err
if j % 2 ~= 0 then
res, err = httpc:request_uri(uri1, {method = "GET"})
else
res, err = httpc:request_uri(uri2, {method = "GET"})
end
if not res or res.body ~= "hello world\n" then
ngx.say(err)
return
end
end
-- It is expected to have 5 DNS queries
-- the first turn: one for global resolver & two for discovery (SRV, then A)
-- the second turn: each one for both global resolver & discovery
if i < 2 then
ngx.sleep(1.1)
end
end
}
}
--- request
GET /t
--- grep_error_log eval
qr/connect to 127.0.0.1:1053/
--- grep_error_log_out
connect to 127.0.0.1:1053
connect to 127.0.0.1:1053
connect to 127.0.0.1:1053
connect to 127.0.0.1:1053
connect to 127.0.0.1:1053