apisix/t/node/healthcheck-discovery.t
罗泽轩 6fe399c7d6
fix: avoid caching outdated discovery upstream nodes (#3295)
Fix #2369
Fix #1838

Signed-off-by: spacewander <spacewanderlzx@gmail.com>
2021-01-18 11:04:13 +08:00

204 lines
5.9 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
_EOC_
$block->set_value("yaml_config", $yaml_config);
}
if ($block->apisix_yaml) {
my $upstream = <<_EOC_;
upstreams:
- service_name: mock
discovery_type: mock
type: roundrobin
id: 1
checks:
active:
http_path: "/status"
host: 127.0.0.1
port: 1988
healthy:
interval: 1
successes: 1
unhealthy:
interval: 1
http_failures: 1
#END
_EOC_
$block->set_value("apisix_yaml", $block->apisix_yaml . $upstream);
}
if (!$block->request) {
$block->set_value("request", "GET /t");
}
if ((!defined $block->error_log) && (!defined $block->no_error_log)) {
$block->set_value("no_error_log", "[error]");
}
});
run_tests();
__DATA__
=== TEST 1: sanity
--- apisix_yaml
routes:
-
uris:
- /hello
upstream_id: 1
--- config
location /t {
content_by_lua_block {
local discovery = require("apisix.discovery.init").discovery
discovery.mock = {
nodes = function()
return {
{host = "127.0.0.1", port = 1980, weight = 1},
{host = "0.0.0.0", port = 1980, weight = 1},
}
end
}
local http = require "resty.http"
local uri = "http://127.0.0.1:" .. ngx.var.server_port .. "/hello"
local httpc = http.new()
local res, err = httpc:request_uri(uri, {method = "GET", keepalive = false})
ngx.sleep(0.5)
ngx.say(res.status)
}
}
--- grep_error_log eval
qr/unhealthy TCP increment \(1\/2\) for '127.0.0.1\([^)]+\)'/
--- grep_error_log_out
unhealthy TCP increment (1/2) for '127.0.0.1(127.0.0.1:1988)'
unhealthy TCP increment (1/2) for '127.0.0.1(0.0.0.0:1988)'
=== TEST 2: create new checker when nodes change
--- apisix_yaml
routes:
-
uris:
- /hello
upstream_id: 1
--- config
location /t {
content_by_lua_block {
local discovery = require("apisix.discovery.init").discovery
discovery.mock = {
nodes = function()
return {
{host = "127.0.0.1", port = 1980, weight = 1},
{host = "0.0.0.0", port = 1980, weight = 1},
}
end
}
local http = require "resty.http"
local uri = "http://127.0.0.1:" .. ngx.var.server_port .. "/hello"
local httpc = http.new()
local res, err = httpc:request_uri(uri, {method = "GET", keepalive = false})
ngx.sleep(0.5)
discovery.mock = {
nodes = function()
return {
{host = "127.0.0.1", port = 1980, weight = 1},
{host = "127.0.0.2", port = 1980, weight = 1},
{host = "127.0.0.3", port = 1980, weight = 1},
}
end
}
local uri = "http://127.0.0.1:" .. ngx.var.server_port .. "/hello"
local httpc = http.new()
local res, err = httpc:request_uri(uri, {method = "GET", keepalive = false})
ngx.say(res.status)
}
}
--- grep_error_log eval
qr/create new checker: table/
--- grep_error_log_out
create new checker: table
create new checker: table
=== TEST 3: don't create new checker when nodes don't change
--- apisix_yaml
routes:
-
uris:
- /hello
upstream_id: 1
--- config
location /t {
content_by_lua_block {
local discovery = require("apisix.discovery.init").discovery
discovery.mock = {
nodes = function()
return {
{host = "127.0.0.1", port = 1980, weight = 1},
{host = "0.0.0.0", port = 1980, weight = 1},
}
end
}
local http = require "resty.http"
local uri = "http://127.0.0.1:" .. ngx.var.server_port .. "/hello"
local httpc = http.new()
local res, err = httpc:request_uri(uri, {method = "GET", keepalive = false})
ngx.sleep(0.5)
discovery.mock = {
nodes = function()
return {
{host = "0.0.0.0", port = 1980, weight = 1},
{host = "127.0.0.1", port = 1980, weight = 1},
}
end
}
local uri = "http://127.0.0.1:" .. ngx.var.server_port .. "/hello"
local httpc = http.new()
local res, err = httpc:request_uri(uri, {method = "GET", keepalive = false})
ngx.say(res.status)
}
}
--- grep_error_log eval
qr/create new checker: table/
--- grep_error_log_out
create new checker: table