| # |
| # 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(2) -- 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 |
| ngx.sleep(3.5) |
| 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) |
| ngx.sleep(3.5) |
| --- The first request above triggers the passive healthcheck |
| --- The healthchecker is asynchronously created after a minimum of 1 second |
| --- So we need to wait for it to be created and sent another request to verify |
| -- only /hello_ has passive healthcheck |
| local res, err = httpc:request_uri(uri .. "/hello_") |
| if not res then |
| ngx.say(err) |
| return |
| end |
| ngx.sleep(2) |
| 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 |
| --- timeout: 15 |
| |
| |
| |
| === 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(4) -- 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 |
| --- timeout: 6 |
