| # |
| # 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" |
| }]] |
| ) |
| |
| if code >= 300 then |
| ngx.status = code |
| end |
| ngx.say(body) |
| } |
| } |
| --- response_body |
| passed |
| |
| |
| |
| === 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)) |
| } |
| } |
| --- timeout: 10s |
| --- response_body |
| [200,200] |
| |
| |
| |
| === TEST 11: request when key is missing |
| --- request |
| GET /test_concurrency |
| --- timeout: 10s |
| --- response_body |
| 200 |
| 503 |
| 503 |
| 503 |
| 503 |
| --- 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) |
| } |
| } |
| --- response_body |
| passed |
| |
| |
| |
| === TEST 13: request when key is invalid |
| --- request |
| GET /test_concurrency |
| --- timeout: 10s |
| --- response_body |
| 200 |
| 503 |
| 503 |
| 503 |
| 503 |
| --- error_log |
| The value of the configured key is empty, use client IP instead |
