apisix/t/plugin/limit-conn2.t

517 lines
14 KiB
Perl
Vendored

#
# 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 {
if ($ENV{TEST_NGINX_CHECK_LEAK}) {
$SkipReason = "unavailable for the check leak tests";
} else {
$ENV{TEST_NGINX_USE_HUP} = 1;
undef $ENV{TEST_NGINX_USE_STAP};
}
}
use t::APISIX 'no_plan';
repeat_each(1);
no_long_string();
no_shuffle();
no_root_location();
add_block_preprocessor(sub {
my ($block) = @_;
my $port = $ENV{TEST_NGINX_SERVER_PORT};
my $config = $block->config // <<_EOC_;
location /access_root_dir {
content_by_lua_block {
local httpc = require "resty.http"
local hc = httpc:new()
local res, err = hc:request_uri('http://127.0.0.1:$port/limit_conn')
if res then
ngx.exit(res.status)
end
}
}
location /test_concurrency {
content_by_lua_block {
local reqs = {}
for i = 1, 5 do
reqs[i] = { "/access_root_dir" }
end
local resps = { ngx.location.capture_multi(reqs) }
for i, resp in ipairs(resps) do
ngx.say(resp.status)
end
}
}
_EOC_
$block->set_value("config", $config);
if (!$block->request) {
$block->set_value("request", "GET /t");
}
if (!$block->error_log && !$block->no_error_log) {
$block->set_value("no_error_log", "[error]\n[alert]");
}
});
run_tests;
__DATA__
=== TEST 1: limit-conn with retry upstream, set upstream
--- config
location /t {
content_by_lua_block {
local t = require("lib.test_admin").test
local code, body = t('/apisix/admin/upstreams/1',
ngx.HTTP_PUT,
[[{
"nodes": {
"127.0.0.2:1": 1,
"127.0.0.1:1980": 1
},
"retries": 2,
"type": "roundrobin"
}]]
)
if code >= 300 then
ngx.status = code
ngx.say(body)
return
end
local code, body = t('/apisix/admin/routes/1',
ngx.HTTP_PUT,
[[{
"uri": "/mysleep",
"plugins": {
"limit-conn": {
"conn": 1,
"burst": 0,
"default_conn_delay": 0.3,
"rejected_code": 503,
"key": "remote_addr"
}
},
"upstream_id": "1"
}]]
)
if code >= 300 then
ngx.status = code
end
ngx.say(body)
}
}
--- response_body
passed
=== TEST 2: hit route
--- log_level: debug
--- request
GET /mysleep?seconds=0.1
--- error_log
request latency is 0.1
--- response_body
0.1
=== TEST 3: set both global and route
--- config
location /t {
content_by_lua_block {
local t = require("lib.test_admin").test
local code, body = t('/apisix/admin/global_rules/1',
ngx.HTTP_PUT,
[[{
"plugins": {
"limit-conn": {
"conn": 1,
"burst": 0,
"default_conn_delay": 0.3,
"rejected_code": 503,
"key": "remote_addr"
}
}
}]]
)
if code >= 300 then
ngx.status = code
ngx.say(body)
return
end
local code, body = t('/apisix/admin/routes/1',
ngx.HTTP_PUT,
[[{
"uri": "/hello",
"plugins": {
"limit-conn": {
"conn": 1,
"burst": 0,
"default_conn_delay": 0.3,
"rejected_code": 503,
"key": "remote_addr"
}
},
"upstream": {
"nodes": {
"127.0.0.1:1980": 1
},
"type": "roundrobin"
}
}]]
)
if code >= 300 then
ngx.status = code
end
ngx.say(body)
}
}
--- response_body
passed
=== TEST 4: hit route
--- log_level: debug
--- request
GET /hello
--- grep_error_log eval
qr/request latency is/
--- grep_error_log_out
request latency is
request latency is
=== TEST 5: set only_use_default_delay option to true in specific route
--- config
location /t {
content_by_lua_block {
local t = require("lib.test_admin").test
local code, body = t('/apisix/admin/routes/1',
ngx.HTTP_PUT,
[[{
"uri": "/hello1",
"plugins": {
"limit-conn": {
"conn": 1,
"burst": 0,
"default_conn_delay": 0.3,
"only_use_default_delay": true,
"rejected_code": 503,
"key": "remote_addr"
}
},
"upstream": {
"nodes": {
"127.0.0.1:1982": 1
},
"type": "roundrobin"
}
}]]
)
if code >= 300 then
ngx.status = code
end
ngx.say(body)
}
}
--- response_body
passed
=== TEST 6: hit route
--- log_level: debug
--- request
GET /hello1
--- grep_error_log eval
qr/request latency is nil/
--- grep_error_log_out
request latency is nil
=== TEST 7: invalid route: wrong rejected_msg type
--- config
location /t {
content_by_lua_block {
local t = require("lib.test_admin").test
local code, body = t('/apisix/admin/routes/1',
ngx.HTTP_PUT,
[[{
"plugins": {
"limit-conn": {
"conn": 1,
"burst": 1,
"default_conn_delay": 0.1,
"rejected_code": 503,
"key": "remote_addr",
"rejected_msg": true
}
},
"upstream": {
"nodes": {
"127.0.0.1:1980": 1
},
"type": "roundrobin"
},
"uri": "/limit_conn"
}]]
)
if code >= 300 then
ngx.status = code
end
ngx.print(body)
}
}
--- error_code: 400
--- response_body
{"error_msg":"failed to check the configuration of plugin limit-conn err: property \"rejected_msg\" validation failed: wrong type: expected string, got boolean"}
=== TEST 8: invalid route: wrong rejected_msg length
--- config
location /t {
content_by_lua_block {
local t = require("lib.test_admin").test
local code, body = t('/apisix/admin/routes/1',
ngx.HTTP_PUT,
[[{
"plugins": {
"limit-conn": {
"conn": 1,
"burst": 1,
"default_conn_delay": 0.1,
"rejected_code": 503,
"key": "remote_addr",
"rejected_msg": ""
}
},
"upstream": {
"nodes": {
"127.0.0.1:1980": 1
},
"type": "roundrobin"
},
"uri": "/limit_conn"
}]]
)
if code >= 300 then
ngx.status = code
end
ngx.print(body)
}
}
--- error_code: 400
--- response_body
{"error_msg":"failed to check the configuration of plugin limit-conn err: property \"rejected_msg\" validation failed: string too short, expected at least 1, got 0"}
=== TEST 9: update plugin to set key_type to var_combination
--- config
location /t {
content_by_lua_block {
local t = require("lib.test_admin").test
local code, body = t('/apisix/admin/routes/1',
ngx.HTTP_PUT,
[[{
"plugins": {
"limit-conn": {
"conn": 1,
"burst": 0,
"default_conn_delay": 0.1,
"rejected_code": 503,
"key": "$http_a $http_b",
"key_type": "var_combination"
}
},
"upstream": {
"nodes": {
"127.0.0.1:1980": 1
},
"type": "roundrobin"
},
"uri": "/limit_conn"
}]],
[[{
"node": {
"value": {
"plugins": {
"limit-conn": {
"conn": 1,
"burst": 0,
"default_conn_delay": 0.1,
"rejected_code": 503,
"key": "$http_a $http_b",
"key_type": "var_combination"
}
},
"upstream": {
"nodes": {
"127.0.0.1:1980": 1
},
"type": "roundrobin"
},
"uri": "/limit_conn"
},
"key": "/apisix/routes/1"
},
"action": "set"
}]]
)
if code >= 300 then
ngx.status = code
end
ngx.say(body)
}
}
--- request
GET /t
--- response_body
passed
--- no_error_log
[error]
=== TEST 10: Don't exceed the burst
--- config
location /t {
content_by_lua_block {
local json = require "t.toolkit.json"
local http = require "resty.http"
local uri = "http://127.0.0.1:" .. ngx.var.server_port
.. "/limit_conn"
local ress = {}
for i = 1, 2 do
local httpc = http.new()
local res, err = httpc:request_uri(uri, {headers = {a = i}})
if not res then
ngx.say(err)
return
end
table.insert(ress, res.status)
end
ngx.say(json.encode(ress))
}
}
--- request
GET /t
--- timeout: 10s
--- response_body
[200,200]
--- no_error_log
[error]
=== TEST 11: request when key is missing
--- request
GET /test_concurrency
--- timeout: 10s
--- response_body
200
503
503
503
503
--- no_error_log
[error]
--- error_log
The value of the configured key is empty, use client IP instead
=== TEST 12: update plugin to set invalid key
--- config
location /t {
content_by_lua_block {
local t = require("lib.test_admin").test
local code, body = t('/apisix/admin/routes/1',
ngx.HTTP_PUT,
[[{
"plugins": {
"limit-conn": {
"conn": 1,
"burst": 0,
"default_conn_delay": 0.1,
"rejected_code": 503,
"key": "abcdefgh",
"key_type": "var_combination"
}
},
"upstream": {
"nodes": {
"127.0.0.1:1980": 1
},
"type": "roundrobin"
},
"uri": "/limit_conn"
}]]
)
if code >= 300 then
ngx.status = code
end
ngx.say(body)
}
}
--- request
GET /t
--- response_body
passed
--- no_error_log
[error]
=== TEST 13: request when key is invalid
--- request
GET /test_concurrency
--- timeout: 10s
--- response_body
200
503
503
503
503
--- no_error_log
[error]
--- error_log
The value of the configured key is empty, use client IP instead