# # 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_EVENTS_MODULE} ne "lua-resty-events") { $SkipReason = "Only for lua-resty-events events module"; } } use Test::Nginx::Socket::Lua $SkipReason ? (skip_all => $SkipReason) : (); use t::APISIX 'no_plan'; repeat_each(1); log_level('info'); no_root_location(); no_shuffle(); worker_connections(256); run_tests(); __DATA__ === TEST 1: set route(passive) --- 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": "/server_port", "upstream": { "type": "roundrobin", "nodes": { "127.0.0.1:1980": 0, "127.0.0.1:1": 1 }, "retries": 0, "checks": { "active": { "http_path": "/status", "host": "foo.com", "healthy": { "interval": 100, "successes": 1 }, "unhealthy": { "interval": 100, "http_failures": 2 } },]] .. [[ "passive": { "healthy": { "http_statuses": [200, 201], "successes": 3 }, "unhealthy": { "http_statuses": [502], "http_failures": 1, "tcp_failures": 1 } } } } }]] ) if code >= 300 then ngx.status = code end ngx.say(body) } } --- request GET /t --- response_body passed === TEST 2: hit routes (two healthy nodes) --- config location /t { content_by_lua_block { ngx.sleep(3) -- wait for sync local json_sort = require("toolkit.json") local http = require("resty.http") local uri = "http://127.0.0.1:" .. ngx.var.server_port .. "/server_port" local httpc = http.new() -- Since a failed request attempt triggers a passive health check to report -- a non-health condition, a request is first triggered manually here to -- trigger a passive health check to refresh the monitoring state of the build -- -- The reason for this is to avoid delays in event synchronization timing due -- to non-deterministic asynchronous connections when using lua-resty-events -- as an events module. local res, err = httpc:request_uri(uri, {method = "GET", keepalive = false}) if not res then ngx.say(err) return end ngx.sleep(1) -- Wait for health check unhealthy events sync local ports_count = {} for i = 1, 6 do local res, err = httpc:request_uri(uri, {method = "GET", keepalive = false}) if not res then ngx.say(err) return end local status = tostring(res.status) ports_count[status] = (ports_count[status] or 0) + 1 end ngx.say(json_sort.encode(ports_count)) ngx.exit(200) } } --- request GET /t --- response_body {"200":5,"502":1} --- error_log (upstream#/apisix/routes/1) unhealthy HTTP increment (1/1) --- timeout: 10 === TEST 3: set route(only passive) --- 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": "/server_port", "upstream": { "type": "roundrobin", "nodes": { "127.0.0.1:1980": 0, "127.0.0.1:1": 1 }, "retries": 0, "checks": { "passive": { "healthy": { "http_statuses": [200, 201], "successes": 3 }, "unhealthy": { "http_statuses": [502], "http_failures": 1, "tcp_failures": 1 } } } } }]] ) if code >= 300 then ngx.status = code end ngx.print(body) } } --- request GET /t --- error_code: 400 --- response_body {"error_msg":"invalid configuration: property \"upstream\" validation failed: property \"checks\" validation failed: object matches none of the required: [\"active\"] or [\"active\",\"passive\"]"} === TEST 4: set route(only active + active & passive) --- 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": { "type": "roundrobin", "nodes": { "127.0.0.1:1980": 0, "127.0.0.1:1": 1 }, "retries": 0, "checks": { "active": { "http_path": "/status", "host": "foo.com", "healthy": { "interval": 100, "successes": 1 }, "unhealthy": { "interval": 100, "http_failures": 2 } } } } }]] ) if code >= 300 then ngx.status = code ngx.say(body) return end local code, body = t('/apisix/admin/routes/2', ngx.HTTP_PUT, [[{ "uri": "/hello_", "upstream": { "type": "roundrobin", "nodes": { "127.0.0.1:1980": 0, "127.0.0.1:1": 1 }, "retries": 0, "checks": { "active": { "http_path": "/status", "host": "foo.com", "healthy": { "interval": 100, "successes": 1 }, "unhealthy": { "interval": 100, "http_failures": 2 } },]] .. [[ "passive": { "healthy": { "http_statuses": [200, 201], "successes": 3 }, "unhealthy": { "http_statuses": [502], "http_failures": 1, "tcp_failures": 1 } } } } }]] ) if code >= 300 then ngx.status = code end ngx.say(body) } } --- request GET /t --- response_body passed === TEST 5: only one route should have passive healthcheck --- config location /t { content_by_lua_block { local t = require("lib.test_admin").test local json_sort = require("toolkit.json") local http = require("resty.http") local uri = "http://127.0.0.1:" .. ngx.var.server_port local ports_count = {} local httpc = http.new() local res, err = httpc:request_uri(uri .. "/hello_") if not res then ngx.say(err) return end ngx.say(res.status) -- only /hello_ has passive healthcheck local res, err = httpc:request_uri(uri .. "/hello") if not res then ngx.say(err) return end ngx.say(res.status) } } --- request GET /t --- response_body 502 502 --- grep_error_log eval qr/enabled healthcheck passive/ --- grep_error_log_out enabled healthcheck passive === TEST 6: make sure passive healthcheck works (conf is not corrupted by the default value) --- config location /t { content_by_lua_block { local t = require("lib.test_admin").test local json_sort = require("toolkit.json") local http = require("resty.http") local uri = "http://127.0.0.1:" .. ngx.var.server_port local httpc = http.new() local res, err = httpc:request_uri(uri .. "/hello") if not res then ngx.say(err) return end ngx.say(res.status) -- The first time request to /hello_ -- Ensure that the event that triggers the healthchecker to perform -- add_target has been sent and processed correctly -- -- Due to the implementation of lua-resty-events, it relies on the kernel and -- the Nginx event loop to process socket connections. -- When lua-resty-healthcheck handles passive healthchecks and uses lua-resty-events -- as the events module, the synchronization of the first event usually occurs -- before the start of the passive healthcheck. So when the execution finishes and -- healthchecker tries to record the healthcheck status, it will not be able to find -- an existing target (because the synchronization event has not finished yet), which -- will lead to some anomalies that deviate from the original test case, so compatibility -- operations are performed here. local res, err = httpc:request_uri(uri .. "/hello_") if not res then ngx.say(err) return end ngx.say(res.status) ngx.sleep(1) -- Wait for health check unhealthy events sync -- The second time request to /hello_ local res, err = httpc:request_uri(uri .. "/hello_") if not res then ngx.say(err) return end ngx.say(res.status) } } --- request GET /t --- response_body 502 502 502 --- grep_error_log eval qr/\[healthcheck\] \([^)]+\) unhealthy HTTP increment/ --- grep_error_log_out [healthcheck] (upstream#/apisix/routes/2) unhealthy HTTP increment