| # |
| # 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); |
| no_long_string(); |
| no_shuffle(); |
| no_root_location(); |
| |
| add_block_preprocessor(sub { |
| my ($block) = @_; |
| |
| if (!$block->error_log && !$block->no_error_log) { |
| $block->set_value("no_error_log", "[error]\n[alert]"); |
| } |
| |
| my $config = $block->config // <<_EOC_; |
| location /hit { |
| content_by_lua_block { |
| local sock = ngx.socket.tcp() |
| local ok, err = sock:connect("127.0.0.1", 1985) |
| if not ok then |
| ngx.log(ngx.ERR, "failed to connect: ", err) |
| return ngx.exit(503) |
| end |
| |
| local bytes, err = sock:send("mmm") |
| if not bytes then |
| ngx.log(ngx.ERR, "send stream request error: ", err) |
| return ngx.exit(503) |
| end |
| local data, err = sock:receive("*a") |
| if not data then |
| sock:close() |
| return ngx.exit(503) |
| end |
| ngx.print(data) |
| } |
| } |
| |
| location /test_multiple_requests { |
| content_by_lua_block { |
| local reqs = {} |
| for i = 1, 10 do |
| reqs[i] = { "/hit" } |
| end |
| local resps = { ngx.location.capture_multi(reqs) } |
| -- Count responses per upstream rather than asserting their order: |
| -- the round-robin picker starts at a random node, so which upstream |
| -- serves each request varies run to run; only the 9:1 ratio is |
| -- deterministic. |
| local count = {} |
| for _, resp in ipairs(resps) do |
| local port = resp.body and resp.body:match("port (%d+)") |
| local key = port and ("port " .. port) or "no response" |
| count[key] = (count[key] or 0) + 1 |
| end |
| local keys = {} |
| for k in pairs(count) do |
| keys[#keys + 1] = k |
| end |
| table.sort(keys) |
| for _, k in ipairs(keys) do |
| ngx.say(k, ": ", count[k]) |
| end |
| } |
| } |
| _EOC_ |
| |
| $block->set_value("config", $config); |
| |
| my $stream_upstream_code = $block->stream_upstream_code // <<_EOC_; |
| local sock = ngx.req.socket() |
| local data = sock:receive("1") |
| ngx.say("hello world from port " .. ngx.var.server_port) |
| _EOC_ |
| $block->set_value("stream_upstream_code", $stream_upstream_code); |
| }); |
| |
| run_tests; |
| |
| __DATA__ |
| |
| === TEST 1: set stream route with traffic-split plugin (basic weighted upstreams) |
| --- config |
| location /t { |
| content_by_lua_block { |
| local t = require("lib.test_admin").test |
| local code, body = t('/apisix/admin/stream_routes/1', |
| ngx.HTTP_PUT, |
| [[{ |
| "plugins": { |
| "traffic-split": { |
| "rules": [{ |
| "weighted_upstreams": [ |
| { |
| "upstream": { |
| "name": "upstream_A", |
| "type": "roundrobin", |
| "nodes": { |
| "127.0.0.1:1995": 1 |
| } |
| }, |
| "weight": 9 |
| }, |
| { |
| "upstream": { |
| "name": "upstream_B", |
| "type": "roundrobin", |
| "nodes": { |
| "127.0.0.1:1996": 1 |
| } |
| }, |
| "weight": 1 |
| } |
| ] |
| }] |
| } |
| } |
| }]] |
| ) |
| if code >= 300 then |
| ngx.status = code |
| end |
| ngx.say(body) |
| } |
| } |
| --- request |
| GET /t |
| --- response_body |
| passed |
| |
| |
| |
| === TEST 2: traffic split distribution between two upstreams |
| --- request |
| GET /test_multiple_requests |
| --- response_body |
| no response: 1 |
| port 1995: 9 |
| --- stream_enable |
| --- error_log |
| Connection refused |
| |
| |
| |
| === TEST 3: set stream route with traffic-split using default route 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": { |
| "127.0.0.1:1997": 1 |
| }, |
| "type": "roundrobin" |
| }]] |
| ) |
| if code >= 300 then |
| ngx.status = code |
| ngx.say(body) |
| return |
| end |
| |
| local code, body = t('/apisix/admin/stream_routes/2', |
| ngx.HTTP_PUT, |
| [[{ |
| "plugins": { |
| "traffic-split": { |
| "rules": [{ |
| "weighted_upstreams": [ |
| { |
| "upstream": { |
| "name": "upstream_A", |
| "type": "roundrobin", |
| "nodes": { |
| "127.0.0.1:1995": 1 |
| } |
| }, |
| "weight": 9 |
| }, |
| { |
| "weight": 1 |
| } |
| ] |
| }] |
| } |
| }, |
| "upstream_id": "1" |
| }]] |
| ) |
| if code >= 300 then |
| ngx.status = code |
| end |
| ngx.say(body) |
| } |
| } |
| --- request |
| GET /t |
| --- response_body |
| passed |
| |
| |
| |
| === TEST 4: traffic split between plugin upstream and default route upstream |
| --- request |
| GET /test_multiple_requests |
| --- response_body |
| no response: 1 |
| port 1995: 9 |
| --- stream_enable |
| --- error_log |
| Connection refused |
| |
| |
| |
| === TEST 5: set stream route with traffic-split using upstream_id reference |
| --- config |
| location /t { |
| content_by_lua_block { |
| local t = require("lib.test_admin").test |
| -- remove earlier catch-all routes so route 3 is the only active stream route |
| local del_code, del_body = t('/apisix/admin/stream_routes/1', ngx.HTTP_DELETE) |
| if not del_code then |
| ngx.status = 500 |
| ngx.say("failed to connect to admin API for stream_routes/1: ", del_body) |
| return |
| end |
| if del_code >= 300 and del_code ~= 404 then |
| ngx.status = del_code |
| ngx.say("failed to delete stream_routes/1: ", del_body) |
| return |
| end |
| del_code, del_body = t('/apisix/admin/stream_routes/2', ngx.HTTP_DELETE) |
| if not del_code then |
| ngx.status = 500 |
| ngx.say("failed to connect to admin API for stream_routes/2: ", del_body) |
| return |
| end |
| if del_code >= 300 and del_code ~= 404 then |
| ngx.status = del_code |
| ngx.say("failed to delete stream_routes/2: ", del_body) |
| return |
| end |
| |
| local code, body = t('/apisix/admin/upstreams/2', |
| ngx.HTTP_PUT, |
| [[{ |
| "nodes": { |
| "127.0.0.1:1995": 1 |
| }, |
| "type": "roundrobin" |
| }]] |
| ) |
| if not code then |
| ngx.status = 500 |
| ngx.say("failed to connect to admin API for upstreams/2: ", body) |
| return |
| end |
| if code >= 300 then |
| ngx.status = code |
| ngx.say(body) |
| return |
| end |
| |
| local code, body = t('/apisix/admin/stream_routes/3', |
| ngx.HTTP_PUT, |
| [[{ |
| "plugins": { |
| "traffic-split": { |
| "rules": [{ |
| "weighted_upstreams": [ |
| { |
| "upstream_id": "2", |
| "weight": 1 |
| } |
| ] |
| }] |
| } |
| }, |
| "upstream": { |
| "nodes": { |
| "127.0.0.1:1997": 1 |
| }, |
| "type": "roundrobin" |
| } |
| }]] |
| ) |
| if not code then |
| ngx.status = 500 |
| ngx.say("failed to connect to admin API for stream_routes/3: ", body) |
| return |
| end |
| if code >= 300 then |
| ngx.status = code |
| end |
| ngx.say(body) |
| } |
| } |
| --- request |
| GET /t |
| --- response_body |
| passed |
| |
| |
| |
| === TEST 6: upstream_id reference in traffic-split directs to correct upstream |
| --- request |
| GET /hit |
| --- response_body |
| hello world from port 1995 |
| --- stream_enable |
| |
| |
| |
| === TEST 7: set stream route with traffic-split using route_id in match condition |
| --- config |
| location /t { |
| content_by_lua_block { |
| local t = require("lib.test_admin").test |
| local code, body = t('/apisix/admin/stream_routes/3', |
| ngx.HTTP_PUT, |
| [=[{ |
| "plugins": { |
| "traffic-split": { |
| "rules": [{ |
| "match": [ |
| { |
| "vars": [["route_id", "==", "3"]] |
| } |
| ], |
| "weighted_upstreams": [ |
| { |
| "upstream": { |
| "name": "upstream_A", |
| "type": "roundrobin", |
| "nodes": { |
| "127.0.0.1:1995": 1 |
| } |
| }, |
| "weight": 1 |
| } |
| ] |
| }] |
| } |
| }, |
| "upstream": { |
| "nodes": { |
| "127.0.0.1:1997": 1 |
| }, |
| "type": "roundrobin" |
| } |
| }]=] |
| ) |
| if not code then |
| ngx.status = 500 |
| ngx.say("failed to connect to admin API for stream_routes/3: ", body) |
| return |
| end |
| if code >= 300 then |
| ngx.status = code |
| end |
| ngx.say(body) |
| } |
| } |
| --- request |
| GET /t |
| --- response_body |
| passed |
| |
| |
| |
| === TEST 8: route_id match condition directs traffic to plugin upstream |
| --- request |
| GET /hit |
| --- response_body |
| hello world from port 1995 |
| --- stream_enable |
