| # |
| # 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 hup 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 = {} |
| local status_map = {} |
| for i = 1, 10 do |
| reqs[i] = { "/access_root_dir" } |
| end |
| local resps = { ngx.location.capture_multi(reqs) } |
| for i, resp in ipairs(resps) do |
| local status_key = resp.status |
| if status_map[status_key] then |
| status_map[status_key] = status_map[status_key] + 1 |
| else |
| status_map[status_key] = 1 |
| end |
| end |
| for key, value in pairs(status_map) do |
| ngx.say("status:" .. key .. ", " .. "count:" .. value) |
| end |
| } |
| } |
| _EOC_ |
| |
| $block->set_value("config", $config); |
| }); |
| |
| run_tests; |
| |
| __DATA__ |
| |
| === TEST 1: sanity |
| --- config |
| location /t { |
| content_by_lua_block { |
| local plugin = require("apisix.plugins.limit-conn") |
| local ok, err = plugin.check_schema({ |
| conn = 1, |
| burst = 0, |
| default_conn_delay = 0.1, |
| rejected_code = 503, |
| key = 'remote_addr', |
| policy = "redis", |
| redis_host = 'localhost', |
| }) |
| if not ok then |
| ngx.say(err) |
| end |
| |
| ngx.say("done") |
| } |
| } |
| --- request |
| GET /t |
| --- response_body |
| done |
| |
| |
| |
| === TEST 2: add plugin |
| --- 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": 100, |
| "burst": 50, |
| "default_conn_delay": 0.1, |
| "rejected_code": 503, |
| "key": "remote_addr", |
| "policy": "redis", |
| "redis_host": "127.0.0.1", |
| "redis_port": 6379 |
| } |
| }, |
| "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 |
| |
| |
| |
| === TEST 3: not exceeding the burst |
| --- request |
| GET /test_concurrency |
| --- timeout: 10s |
| --- response_body |
| status:200, count:10 |
| |
| |
| |
| === TEST 4: update plugin |
| --- 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": 2, |
| "burst": 1, |
| "default_conn_delay": 0.1, |
| "rejected_code": 503, |
| "key": "remote_addr", |
| "policy": "redis", |
| "redis_host": "127.0.0.1", |
| "redis_port": 6379 |
| } |
| }, |
| "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 |
| |
| |
| |
| === TEST 5: exceeding the burst |
| --- request |
| GET /test_concurrency |
| --- timeout: 10s |
| --- response_body |
| status:200, count:3 |
| status:503, count:7 |
| |
| |
| |
| === TEST 6: update plugin |
| --- 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": 5, |
| "burst": 1, |
| "default_conn_delay": 0.1, |
| "rejected_code": 503, |
| "key": "remote_addr", |
| "policy": "redis", |
| "redis_host": "127.0.0.1", |
| "redis_port": 6379 |
| } |
| }, |
| "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 |
| |
| |
| |
| === TEST 7: exceeding the burst |
| --- request |
| GET /test_concurrency |
| --- timeout: 10s |
| --- response_body |
| status:200, count:6 |
| status:503, count:4 |
| |
| |
| |
| === TEST 8: update plugin with username, password |
| --- 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": 5, |
| "burst": 1, |
| "default_conn_delay": 0.1, |
| "rejected_code": 503, |
| "key": "remote_addr", |
| "policy": "redis", |
| "redis_host": "127.0.0.1", |
| "redis_port": 6379, |
| "redis_username": "alice", |
| "redis_password": "somepassword" |
| } |
| }, |
| "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 |
| |
| |
| |
| === TEST 9: exceeding the burst |
| --- request |
| GET /test_concurrency |
| --- timeout: 10s |
| --- response_body |
| status:200, count:6 |
| status:503, count:4 |
| |
| |
| |
| === TEST 10: update plugin with username, wrong password |
| --- 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": 5, |
| "burst": 1, |
| "default_conn_delay": 0.1, |
| "rejected_code": 503, |
| "key": "remote_addr", |
| "policy": "redis", |
| "redis_host": "127.0.0.1", |
| "redis_port": 6379, |
| "redis_username": "alice", |
| "redis_password": "someerrorpassword" |
| } |
| }, |
| "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 |
| |
| |
| |
| === TEST 11: catch wrong pass |
| --- request |
| GET /access_root_dir |
| --- error_code: 500 |
| --- error_log |
| failed to limit conn: WRONGPASS invalid username-password pair or user is disabled. |
| |
| |
| |
| === TEST 12: invalid route: missing redis_host |
| --- 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": { |
| "burst": 1, |
| "default_conn_delay": 0.1, |
| "rejected_code": 503, |
| "key": "remote_addr", |
| "conn": 1, |
| "policy": "redis" |
| } |
| }, |
| "upstream": { |
| "nodes": { |
| "127.0.0.1:1980": 1 |
| }, |
| "type": "roundrobin" |
| }, |
| "uri": "/limit_conn" |
| }]] |
| ) |
| |
| if code >= 300 then |
| ngx.status = code |
| end |
| ngx.print(body) |
| } |
| } |
| --- request |
| GET /t |
| --- error_code: 400 |
| --- response_body |
| {"error_msg":"failed to check the configuration of plugin limit-conn err: then clause did not match"} |
| |
| |
| |
| === TEST 13: disable plugin |
| --- 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": { |
| }, |
| "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 |
| |
| |
| |
| === TEST 14: exceeding the burst |
| --- request |
| GET /test_concurrency |
| --- timeout: 10s |
| --- response_body |
| status:200, count:10 |
| |
| |
| |
| === TEST 15: set route(key: server_addr) |
| --- 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": 100, |
| "burst": 50, |
| "default_conn_delay": 0.1, |
| "rejected_code": 503, |
| "key": "server_addr", |
| "policy": "redis", |
| "redis_host": "127.0.0.1" |
| } |
| }, |
| "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 |
| |
| |
| |
| === TEST 16: key: http_x_real_ip |
| --- 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": 5, |
| "burst": 1, |
| "default_conn_delay": 0.1, |
| "rejected_code": 503, |
| "key": "http_x_real_ip", |
| "policy": "redis", |
| "redis_host": "127.0.0.1" |
| } |
| }, |
| "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 |
| |
| |
| |
| === TEST 17: exceeding the burst (X-Real-IP) |
| --- config |
| location /access_root_dir { |
| content_by_lua_block { |
| local port = ngx.var.server_port |
| local httpc = require "resty.http" |
| local hc = httpc:new() |
| |
| local res, err = hc:request_uri('http://127.0.0.1:' .. port .. '/limit_conn', { |
| keepalive = false, |
| headers = {["X-Real-IP"] = "10.10.10.1"} |
| }) |
| if res then |
| ngx.exit(res.status) |
| end |
| } |
| } |
| |
| location /test_concurrency { |
| content_by_lua_block { |
| local reqs = {} |
| local status_map = {} |
| for i = 1, 10 do |
| reqs[i] = { "/access_root_dir" } |
| end |
| local resps = { ngx.location.capture_multi(reqs) } |
| for i, resp in ipairs(resps) do |
| local status_key = resp.status |
| if status_map[status_key] then |
| status_map[status_key] = status_map[status_key] + 1 |
| else |
| status_map[status_key] = 1 |
| end |
| end |
| for key, value in pairs(status_map) do |
| ngx.say("status:" .. key .. ", " .. "count:" .. value) |
| end |
| } |
| } |
| --- request |
| GET /test_concurrency |
| --- timeout: 10s |
| --- response_body |
| status:200, count:6 |
| status:503, count:4 |
| --- error_log |
| limit key: 10.10.10.1route |
| |
| |
| |
| === TEST 18: key: http_x_forwarded_for |
| --- 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": 5, |
| "burst": 1, |
| "default_conn_delay": 0.1, |
| "rejected_code": 503, |
| "key": "http_x_forwarded_for", |
| "policy": "redis", |
| "redis_host": "127.0.0.1" |
| } |
| }, |
| "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 |
| |
| |
| |
| === TEST 19: exceeding the burst(X-Forwarded-For) |
| --- config |
| location /access_root_dir { |
| content_by_lua_block { |
| local port = ngx.var.server_port |
| local httpc = require "resty.http" |
| local hc = httpc:new() |
| |
| local res, err = hc:request_uri('http://127.0.0.1:' .. port .. '/limit_conn', { |
| keepalive = false, |
| headers = {["X-Forwarded-For"] = "10.10.10.2"} |
| }) |
| if res then |
| ngx.exit(res.status) |
| end |
| } |
| } |
| |
| location /test_concurrency { |
| content_by_lua_block { |
| local reqs = {} |
| local status_map = {} |
| for i = 1, 10 do |
| reqs[i] = { "/access_root_dir" } |
| end |
| local resps = { ngx.location.capture_multi(reqs) } |
| for i, resp in ipairs(resps) do |
| local status_key = resp.status |
| if status_map[status_key] then |
| status_map[status_key] = status_map[status_key] + 1 |
| else |
| status_map[status_key] = 1 |
| end |
| end |
| for key, value in pairs(status_map) do |
| ngx.say("status:" .. key .. ", " .. "count:" .. value) |
| end |
| } |
| } |
| --- request |
| GET /test_concurrency |
| --- timeout: 10s |
| --- response_body |
| status:200, count:6 |
| status:503, count:4 |
| --- error_log |
| limit key: 10.10.10.2route |
| |
| |
| |
| === TEST 20: default rejected_code |
| --- 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": 4, |
| "burst": 1, |
| "default_conn_delay": 0.1, |
| "key": "remote_addr", |
| "policy": "redis", |
| "redis_host": "127.0.0.1" |
| } |
| }, |
| "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 |
| |
| |
| |
| === TEST 21: exceeding the burst |
| --- request |
| GET /test_concurrency |
| --- timeout: 10s |
| --- response_body |
| status:200, count:5 |
| status:503, count:5 |
| |
| |
| |
| === TEST 22: set global rule with conn = 2 |
| --- 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": 2, |
| "burst": 1, |
| "default_conn_delay": 0.1, |
| "key": "remote_addr", |
| "policy": "redis", |
| "redis_host": "127.0.0.1" |
| } |
| } |
| }]] |
| ) |
| |
| if code >= 300 then |
| ngx.status = code |
| end |
| ngx.say(body) |
| } |
| } |
| --- request |
| GET /t |
| --- response_body |
| passed |
| |
| |
| |
| === TEST 23: exceeding the burst of global rule |
| --- request |
| GET /test_concurrency |
| --- timeout: 10s |
| --- response_body |
| status:200, count:3 |
| status:503, count:7 |
| |
| |
| |
| === TEST 24: delete global rule |
| --- 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_DELETE |
| ) |
| |
| if code >= 300 then |
| ngx.status = code |
| end |
| ngx.say(body) |
| } |
| } |
| --- request |
| GET /t |
| --- response_body |
| passed |
| |
| |
| |
| === TEST 25: not exceeding the burst |
| --- request |
| GET /test_concurrency |
| --- timeout: 10s |
| --- response_body |
| status:200, count:5 |
| status:503, count:5 |
