Kong的Service 配置
2024-06-20 10:33:06
目录
通过 Admin API 添加 Service
请求
响应
为 Service 添加路由（Route）
请求
响应
通过 Kong 转发请求
请求
响应
总结
参考
通过 Admin API 添加 Service
请求
curl -i -X POST \--url http://localhost:8001/services/ \--data 'name=example-service' \--data 'url=http://mockbin.org'
创建了一个名字为 example-service 的 Service，它指向的链接为 Mockbin by Kong
响应
% Total % Received % Xferd Average Speed Time Time Time CurrentDload Upload Total Spent Left Speed0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0 HTTP/1.1 201 Created Date: Wed, 25 Mar 2020 09:16:20 GMT Content-Type: application/json; charset=utf-8 Connection: keep-alive Access-Control-Allow-Origin: * Server: kong/2.0.2 Content-Length: 296 X-Kong-Admin-Latency: 202{"host":"mockbin.org","created_at":1585127780,"connect_timeout":60000,"id":"b9303edc-37ca-456c-a696-5bfae3046f36","protocol":"http","name":"example- service","read_timeout":60000,"port":80,"path":null,"updated_at":1585127780........ 100 339 100 296 100 43 1450 210 --:--:-- --:--:-- --:--:-- 1661
可以看到 HTTP/1.1 201 Created ，表示创建成功
为 Service 添加路由（Route）
请求
$ curl -i -X POST \--url http://localhost:8001/services/example-service/routes \--data 'hosts[]=example.com'
为 Service example-service 添加了example.com 相关的路由
响应
% Total % Received % Xferd Average Speed Time Time Time CurrentDload Upload Total Spent Left Speed 100 448 100 429 100 19 47666 2111 --:--:-- --:--:-- --:--:-- 49777 HTTP/1.1 201 Created Date: Wed, 25 Mar 2020 09:27:25 GMT Content-Type: application/json; charset=utf-8 Connection: keep-alive Access-Control-Allow-Origin: * Server: kong/2.0.2 Content-Length: 429 X-Kong-Admin-Latency: 7{"id": "bacbfa08-619c-4012-9a46-597fed48123c","path_handling": "v0","paths": null,"destinations": null,"headers": null,"protocols": ["http","https"],"methods": null,"snis": null,"service": {"id": "b9303edc-37ca-456c-a696-5bfae3046f36"},"name": null,"strip_path": true,"preserve_host": false,"regex_priority": 0,"updated_at": 1585128445,"sources": null,"hosts": ["example.com"],"https_redirect_status_code": 426,"tags": null,"created_at": 1585128445 }
可以看到 HTTP/1.1 201 Created，表示创建成功
两点疑问：
- 从响应看 service 节点是数组，是否表示一个Route 可以被绑定至多个 Service？
- 但是从创建时的参数 hosts[] 来看，一个 Route 可以映射多个域名的请求，如果是多个Service，如何路由？
通过 Kong 转发请求
请求
$ curl -i -X GET \--url http://localhost:8000/ \--header 'Host: example.com'
响应
% Total % Received % Xferd Average Speed Time Time Time CurrentDload Upload Total Spent Left Speed0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0 HTTP/1.1 200 OK Content-Type: text/html; charset=utf-8 Content-Length: 10695 Connection: keep-alive Server: Cowboy Etag: W/"29c7-XG+PICJmz/J+UYWt5gkKqqAUXjc" Vary: Accept-Encoding Date: Wed, 25 Mar 2020 09:54:45 GMT Via: kong/2.0.2 X-Kong-Upstream-Status: 200 X-Kong-Upstream-Latency: 547 X-Kong-Proxy-Latency: 292 Kong-Cloud-Request-ID: 86da8249946028e910052385d55aaa5a<!DOCTYPE html><html><head><meta charset="utf-8"><title>Mockbin by Kong</title><meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no"><link rel="stylesheet" type="text/css" href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.4/css/bootstrap.min.css" media="all"><link rel="stylesheet" type="text/css" href="https://fonts.googleapis.com/css?family=Open+Sans:400,600|Source+Code+Pro:200,300,400,500,600,700,900" media="all"><link rel="stylesheet" type="text/css" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.3.0/css/font-awesome.css" media="all"><link rel="stylesheet" type="text/css" href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/8.4/styles/github.min.css" media="all"><link rel="stylesheet" type="text/css" href="/static/main.css" media="all"><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.4/js/bootstrap.min.js"></script><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/8.4/highlight.min.js"></script><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/zeroclipboard/2.2.0/ZeroClipboard.min.js"></script><meta http-equiv="X-UA-Compatible" content="IE=edge"><meta name="robots" content="index,follow"><meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no"><meta itemprop="name" content="Mockbin by Kong"><meta property="og:title" content="Mockbin by Kong"><meta name="twitter:title" content="Mockbin by Kong"><link rel="author" href="https://www.mashape.com/"><meta name="author" content="Kong"><meta name="twitter:creator" content="@thekonginc"><meta name="description" content="Mockbin allows you to generate custom endpoints to test, mock, and track HTTP requests & responses between libraries, sockets and APIs. 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响应的 html 内容是 Service 配置的 mockbin.org 网站的页面，
- 证明 Route 已经将来自 example.com 的请求转发至配置的服务（mockbin.org）
- Route 也将响应转发至了请求发起方
总结
- 每个 Service 对应一个隐藏在其后的 API（创建参数 url 指定的地址）
- 每个 Service 可以定义多个 Route ,进而将符合这些 Route 定义的请求通过 Serive 转发至 API
参考
https://docs.konghq.com/2.0.x/getting-started/configuring-a-service/（Kong官方文档）
https://docs.konghq.com/2.0.x/admin-api/（Kong Admin API 文档）
Mockbin by Kong（Mockbin 官网）
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