| # |
| # 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'; |
| |
| repeat_each(1); |
| log_level('info'); |
| no_root_location(); |
| no_shuffle(); |
| |
| our $yaml_config = <<_EOC_; |
| apisix: |
| node_listen: 1984 |
| admin_key: ~ |
| dns_resolver_valid: 1 |
| _EOC_ |
| |
| add_block_preprocessor(sub { |
| my ($block) = @_; |
| |
| $block->set_value("yaml_config", $yaml_config); |
| }); |
| |
| run_tests(); |
| |
| __DATA__ |
| |
| === TEST 1: route with one upstream node |
| --- 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, |
| [[{ |
| "upstream": { |
| "nodes": { |
| "test.com:1980": 1 |
| }, |
| "type": "roundrobin" |
| }, |
| "uri": "/hello" |
| }]] |
| ) |
| |
| if code >= 300 then |
| ngx.status = code |
| end |
| ngx.say(body) |
| } |
| } |
| --- request |
| GET /t |
| --- response_body |
| passed |
| --- no_error_log |
| [error] |
| |
| |
| |
| === TEST 2: hit route, resolve upstream node to "127.0.0.2" always |
| --- init_by_lua_block |
| require "resty.core" |
| apisix = require("apisix") |
| core = require("apisix.core") |
| apisix.http_init() |
| |
| local utils = require("apisix.core.utils") |
| utils.dns_parse = function (domain, resolvers) -- mock: DNS parser |
| if domain == "test.com" then |
| return {address = "127.0.0.2"} |
| end |
| |
| error("unkown domain: " .. domain) |
| end |
| --- request |
| GET /hello |
| --- response_body |
| hello world |
| --- no_error_log |
| [error] |
| |
| |
| |
| === TEST 3: hit route, resolve upstream node to different values |
| --- init_by_lua_block |
| require "resty.core" |
| apisix = require("apisix") |
| core = require("apisix.core") |
| apisix.http_init() |
| |
| local utils = require("apisix.core.utils") |
| local count = 0 |
| utils.dns_parse = function (domain, resolvers) -- mock: DNS parser |
| count = count + 1 |
| |
| if domain == "test.com" then |
| return {address = "127.0.0." .. count} |
| end |
| |
| error("unkown domain: " .. domain) |
| end |
| |
| --- config |
| location /t { |
| content_by_lua_block { |
| local t = require("lib.test_admin").test |
| core.log.info("call /hello") |
| local code, body = t('/hello', ngx.HTTP_GET) |
| |
| ngx.sleep(1.1) -- cache expired |
| core.log.info("call /hello") |
| local code, body = t('/hello', ngx.HTTP_GET) |
| local code, body = t('/hello', ngx.HTTP_GET) |
| |
| ngx.sleep(1.1) -- cache expired |
| core.log.info("call /hello") |
| local code, body = t('/hello', ngx.HTTP_GET) |
| } |
| } |
| |
| --- request |
| GET /t |
| --- grep_error_log eval |
| qr/dns resolver domain: test.com to 127.0.0.\d|call \/hello|proxy request to 127.0.0.\d:1980/ |
| --- grep_error_log_out |
| call /hello |
| dns resolver domain: test.com to 127.0.0.1 |
| proxy request to 127.0.0.1:1980 |
| call /hello |
| dns resolver domain: test.com to 127.0.0.2 |
| proxy request to 127.0.0.2:1980 |
| proxy request to 127.0.0.2:1980 |
| call /hello |
| dns resolver domain: test.com to 127.0.0.3 |
| proxy request to 127.0.0.3:1980 |
| |
| |
| |
| === TEST 4: set route with two upstream nodes |
| --- 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, |
| [[{ |
| "upstream": { |
| "nodes": { |
| "test.com:1980": 1, |
| "test2.com:1980": 1 |
| }, |
| "type": "roundrobin" |
| }, |
| "uri": "/hello" |
| }]] |
| ) |
| |
| if code >= 300 then |
| ngx.status = code |
| end |
| ngx.say(body) |
| } |
| } |
| --- request |
| GET /t |
| --- response_body |
| passed |
| --- no_error_log |
| [error] |
| |
| |
| |
| === TEST 5: hit route, resolve the upstream node to "127.0.0.2" |
| --- init_by_lua_block |
| require "resty.core" |
| apisix = require("apisix") |
| core = require("apisix.core") |
| apisix.http_init() |
| |
| local utils = require("apisix.core.utils") |
| utils.dns_parse = function (domain, resolvers) -- mock: DNS parser |
| if domain == "test.com" or domain == "test2.com" then |
| return {address = "127.0.0.2"} |
| end |
| |
| error("unkown domain: " .. domain) |
| end |
| --- request |
| GET /hello |
| --- response_body |
| hello world |
| --- no_error_log |
| [error] |
| |
| |
| |
| === TEST 6: hit route, resolve upstream node to different values |
| --- init_by_lua_block |
| require "resty.core" |
| apisix = require("apisix") |
| core = require("apisix.core") |
| apisix.http_init() |
| |
| local utils = require("apisix.core.utils") |
| local count = 0 |
| utils.dns_parse = function (domain, resolvers) -- mock: DNS parser |
| count = count + 1 |
| |
| if domain == "test.com" or domain == "test2.com" then |
| return {address = "127.0.0." .. count} |
| end |
| |
| error("unkown domain: " .. domain) |
| end |
| |
| --- config |
| location /t { |
| content_by_lua_block { |
| local t = require("lib.test_admin").test |
| core.log.info("call /hello") |
| local code, body = t('/hello', ngx.HTTP_GET) |
| core.log.warn("code: ", code) |
| |
| ngx.sleep(1.1) -- cache expired |
| core.log.info("call /hello") |
| local code, body = t('/hello', ngx.HTTP_GET) |
| core.log.warn("code: ", code) |
| local code, body = t('/hello', ngx.HTTP_GET) |
| core.log.warn("code: ", code) |
| |
| ngx.sleep(1.1) -- cache expired |
| core.log.info("call /hello") |
| local code, body = t('/hello', ngx.HTTP_GET) |
| core.log.warn("code: ", code) |
| } |
| } |
| |
| --- request |
| GET /t |
| --- grep_error_log eval |
| qr/dns resolver domain: \w+.com to 127.0.0.\d|call \/hello|proxy request to 127.0.0.\d:1980/ |
| --- grep_error_log_out |
| call /hello |
| dns resolver domain: test2.com to 127.0.0.1 |
| dns resolver domain: test.com to 127.0.0.2 |
| proxy request to 127.0.0.1:1980 |
| call /hello |
| dns resolver domain: test2.com to 127.0.0.3 |
| dns resolver domain: test.com to 127.0.0.4 |
| proxy request to 127.0.0.3:1980 |
| proxy request to 127.0.0.4:1980 |
| call /hello |
| dns resolver domain: test2.com to 127.0.0.5 |
| dns resolver domain: test.com to 127.0.0.6 |
| proxy request to 127.0.0.5:1980 |
| |
| |
| |
| === TEST 7: upstream with one upstream node |
| --- 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": { |
| "test.com:1980": 1 |
| }, |
| "type": "roundrobin", |
| "desc": "new upstream" |
| }]] |
| ) |
| |
| if code >= 300 then |
| ngx.status = code |
| end |
| ngx.say(body) |
| } |
| } |
| --- request |
| GET /t |
| --- response_body |
| passed |
| --- no_error_log |
| [error] |
| |
| |
| |
| === TEST 8: set route with upstream_id 1 |
| --- 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": "/hello", |
| "upstream_id": "1" |
| }]] |
| ) |
| |
| if code >= 300 then |
| ngx.status = code |
| end |
| ngx.say(body) |
| } |
| } |
| --- request |
| GET /t |
| --- response_body |
| passed |
| --- no_error_log |
| [error] |
| |
| |
| |
| === TEST 9: hit route, resolve upstream node to different values |
| --- init_by_lua_block |
| require "resty.core" |
| apisix = require("apisix") |
| core = require("apisix.core") |
| apisix.http_init() |
| |
| local utils = require("apisix.core.utils") |
| local count = 0 |
| utils.dns_parse = function (domain, resolvers) -- mock: DNS parser |
| count = count + 1 |
| |
| if domain == "test.com" then |
| return {address = "127.0.0." .. count} |
| end |
| |
| error("unkown domain: " .. domain) |
| end |
| |
| --- config |
| location /t { |
| content_by_lua_block { |
| local t = require("lib.test_admin").test |
| core.log.info("call /hello") |
| local code, body = t('/hello', ngx.HTTP_GET) |
| |
| ngx.sleep(1.1) -- cache expired |
| core.log.info("call /hello") |
| local code, body = t('/hello', ngx.HTTP_GET) |
| local code, body = t('/hello', ngx.HTTP_GET) |
| |
| ngx.sleep(1.1) -- cache expired |
| core.log.info("call /hello") |
| local code, body = t('/hello', ngx.HTTP_GET) |
| } |
| } |
| |
| --- request |
| GET /t |
| --- grep_error_log eval |
| qr/dns resolver domain: test.com to 127.0.0.\d|call \/hello|proxy request to 127.0.0.\d:1980/ |
| --- grep_error_log_out |
| call /hello |
| dns resolver domain: test.com to 127.0.0.1 |
| proxy request to 127.0.0.1:1980 |
| call /hello |
| dns resolver domain: test.com to 127.0.0.2 |
| proxy request to 127.0.0.2:1980 |
| proxy request to 127.0.0.2:1980 |
| call /hello |
| dns resolver domain: test.com to 127.0.0.3 |
| proxy request to 127.0.0.3:1980 |
| |
| |
| |
| === TEST 10: two upstream nodes in upstream object |
| --- 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": { |
| "test.com:1980": 1, |
| "test2.com:1980": 1 |
| }, |
| "type": "roundrobin", |
| "desc": "new upstream" |
| }]] |
| ) |
| |
| if code >= 300 then |
| ngx.status = code |
| end |
| ngx.say(body) |
| } |
| } |
| --- request |
| GET /t |
| --- response_body |
| passed |
| --- no_error_log |
| [error] |
| |
| |
| |
| === TEST 11: hit route, resolve upstream node to different values |
| --- init_by_lua_block |
| require "resty.core" |
| apisix = require("apisix") |
| core = require("apisix.core") |
| apisix.http_init() |
| |
| local utils = require("apisix.core.utils") |
| local count = 0 |
| utils.dns_parse = function (domain, resolvers) -- mock: DNS parser |
| count = count + 1 |
| |
| if domain == "test.com" or domain == "test2.com" then |
| return {address = "127.0.0." .. count} |
| end |
| |
| error("unkown domain: " .. domain) |
| end |
| |
| --- config |
| location /t { |
| content_by_lua_block { |
| local t = require("lib.test_admin").test |
| core.log.info("call /hello") |
| local code, body = t('/hello', ngx.HTTP_GET) |
| |
| ngx.sleep(1.1) -- cache expired |
| core.log.info("call /hello") |
| local code, body = t('/hello', ngx.HTTP_GET) |
| local code, body = t('/hello', ngx.HTTP_GET) |
| local code, body = t('/hello', ngx.HTTP_GET) |
| local code, body = t('/hello', ngx.HTTP_GET) |
| |
| ngx.sleep(1.1) -- cache expired |
| core.log.info("call /hello") |
| local code, body = t('/hello', ngx.HTTP_GET) |
| } |
| } |
| |
| --- request |
| GET /t |
| --- grep_error_log eval |
| qr/dns resolver domain: \w+.com to 127.0.0.\d|call \/hello|proxy request to 127.0.0.\d:1980/ |
| --- grep_error_log_out |
| call /hello |
| dns resolver domain: test2.com to 127.0.0.1 |
| dns resolver domain: test.com to 127.0.0.2 |
| proxy request to 127.0.0.1:1980 |
| call /hello |
| dns resolver domain: test2.com to 127.0.0.3 |
| dns resolver domain: test.com to 127.0.0.4 |
| proxy request to 127.0.0.3:1980 |
| proxy request to 127.0.0.4:1980 |
| proxy request to 127.0.0.3:1980 |
| proxy request to 127.0.0.4:1980 |
| call /hello |
| dns resolver domain: test2.com to 127.0.0.5 |
| dns resolver domain: test.com to 127.0.0.6 |
| proxy request to 127.0.0.5:1980 |
| |
| |
| |
| === TEST 12: dns cached expired, resolve the domain always with same value |
| --- init_by_lua_block |
| require "resty.core" |
| apisix = require("apisix") |
| core = require("apisix.core") |
| apisix.http_init() |
| |
| local utils = require("apisix.core.utils") |
| local count = 1 |
| utils.dns_parse = function (domain, resolvers) -- mock: DNS parser |
| if domain == "test.com" or domain == "test2.com" then |
| return {address = "127.0.0.1"} |
| end |
| |
| error("unkown domain: " .. domain) |
| end |
| |
| --- config |
| location /t { |
| content_by_lua_block { |
| local t = require("lib.test_admin").test |
| core.log.info("call /hello") |
| local code, body = t('/hello', ngx.HTTP_GET) |
| |
| ngx.sleep(1.1) -- cache expired |
| core.log.info("call /hello") |
| local code, body = t('/hello', ngx.HTTP_GET) |
| local code, body = t('/hello', ngx.HTTP_GET) |
| local code, body = t('/hello', ngx.HTTP_GET) |
| local code, body = t('/hello', ngx.HTTP_GET) |
| |
| ngx.sleep(1.1) -- cache expired |
| core.log.info("call /hello") |
| local code, body = t('/hello', ngx.HTTP_GET) |
| } |
| } |
| |
| --- request |
| GET /t |
| --- grep_error_log eval |
| qr/dns resolver domain: \w+.com to 127.0.0.\d|call \/hello|proxy request to 127.0.0.\d:1980/ |
| --- grep_error_log_out |
| call /hello |
| dns resolver domain: test2.com to 127.0.0.1 |
| dns resolver domain: test.com to 127.0.0.1 |
| proxy request to 127.0.0.1:1980 |
| call /hello |
| dns resolver domain: test2.com to 127.0.0.1 |
| dns resolver domain: test.com to 127.0.0.1 |
| proxy request to 127.0.0.1:1980 |
| proxy request to 127.0.0.1:1980 |
| proxy request to 127.0.0.1:1980 |
| proxy request to 127.0.0.1:1980 |
| call /hello |
| dns resolver domain: test2.com to 127.0.0.1 |
| dns resolver domain: test.com to 127.0.0.1 |
| proxy request to 127.0.0.1:1980 |
| |
| |
| |
| === TEST 13: two upstream nodes in upstream object (one host + one IP) |
| --- 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": { |
| "test.com:1980": 1, |
| "127.0.0.5:1981": 1 |
| }, |
| "type": "roundrobin", |
| "desc": "new upstream" |
| }]] |
| ) |
| |
| if code >= 300 then |
| ngx.status = code |
| end |
| ngx.say(body) |
| } |
| } |
| --- request |
| GET /t |
| --- response_body |
| passed |
| --- no_error_log |
| [error] |
| |
| |
| |
| === TEST 14: dns cached expired, resolve the domain with different values |
| --- init_by_lua_block |
| require "resty.core" |
| apisix = require("apisix") |
| core = require("apisix.core") |
| apisix.http_init() |
| |
| local utils = require("apisix.core.utils") |
| local count = 0 |
| utils.dns_parse = function (domain, resolvers) -- mock: DNS parser |
| count = count + 1 |
| if domain == "test.com" or domain == "test2.com" then |
| return {address = "127.0.0." .. count} |
| end |
| |
| error("unkown domain: " .. domain) |
| end |
| |
| --- config |
| location /t { |
| content_by_lua_block { |
| local t = require("lib.test_admin").test |
| core.log.info("call /hello") |
| local code, body = t('/hello', ngx.HTTP_GET) |
| |
| ngx.sleep(1.1) -- cache expired |
| core.log.info("call /hello") |
| local code, body = t('/hello', ngx.HTTP_GET) |
| local code, body = t('/hello', ngx.HTTP_GET) |
| local code, body = t('/hello', ngx.HTTP_GET) |
| local code, body = t('/hello', ngx.HTTP_GET) |
| |
| ngx.sleep(1.1) -- cache expired |
| core.log.info("call /hello") |
| local code, body = t('/hello', ngx.HTTP_GET) |
| } |
| } |
| |
| --- request |
| GET /t |
| --- grep_error_log eval |
| qr/dns resolver domain: \w+.com to 127.0.0.\d|call \/hello|proxy request to 127.0.0.\d:198\d/ |
| --- grep_error_log_out |
| call /hello |
| dns resolver domain: test.com to 127.0.0.1 |
| proxy request to 127.0.0.1:1980 |
| call /hello |
| dns resolver domain: test.com to 127.0.0.2 |
| proxy request to 127.0.0.2:1980 |
| proxy request to 127.0.0.5:1981 |
| proxy request to 127.0.0.2:1980 |
| proxy request to 127.0.0.5:1981 |
| call /hello |
| dns resolver domain: test.com to 127.0.0.3 |
| proxy request to 127.0.0.3:1980 |
