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  • Kong 入门简介

    一、Kong安装

    1.创建网络

    sudo docker network create kong-net
    

    2.创建数据库(采用postgres)

    sudo docker run -d --name kong-database 
    --network=kong-net 
    -p 5432:5432 
    -e "POSTGRES_USER=kong" 
    -e "POSTGRES_DB=kong" 
    -e "POSTGRES_PASSWORD=kong" 
    postgres:9.6
    

    3.数据库管理工具(非必须)

    sudo docker run -d -p 5433:80 --name pgadmin4 
    --network=kong-net 
    -e PGADMIN_DEFAULT_EMAIL=admin@123.com 
    -e PGADMIN_DEFAULT_PASSWORD=123456 
    dpage/pgadmin4
    

    4.初始化Kong数据库

    sudo docker run --rm 
    --network=kong-net 
    -e "KONG_DATABASE=postgres" 
    -e "KONG_PG_HOST=kong-database" 
    -e "KONG_PG_PASSWORD=kong" 
    -e "KONG_CASSANDRA_CONTACT_POINTS=kong-database" 
    kong:latest kong migrations bootstrap
    

    5.创建Kong

    sudo docker run -d --name kong 
    --network=kong-net 
    -e "KONG_DATABASE=postgres" 
    -e "KONG_PG_HOST=kong-database" 
    -e "KONG_PG_PASSWORD=kong" 
    -e "KONG_CASSANDRA_CONTACT_POINTS=kong-database" 
    -e "KONG_PROXY_ACCESS_LOG=/dev/stdout" 
    -e "KONG_ADMIN_ACCESS_LOG=/dev/stdout" 
    -e "KONG_PROXY_ERROR_LOG=/dev/stderr" 
    -e "KONG_ADMIN_ERROR_LOG=/dev/stderr" 
    -e "KONG_ADMIN_LISTEN=0.0.0.0:8001, 0.0.0.0:8444 ssl" 
    -p 8000:8000 
    -p 8443:8443 
    -p 8001:8001 
    -p 8444:8444 
    kong:latest
    

    6.初始化Konga数据库(推荐的Kong管理后台,实力允许可以进行二开!

    sudo docker run --rm --network=kong-net pantsel/konga -c prepare -a postgres -u postgresql://kong:kong@kong-database:5432/konga_db
    

    7.创建Konga

    sudo docker run -p 1337:1337 
     --network=kong-net 
     -e "DB_ADAPTER=postgres" 
     -e "DB_HOST=kong-database" 
     -e "DB_USER=kong" 
     -e "DB_PASSWORD=kong" 
     -e "DB_DATABASE=konga_db" 
     -e "KONGA_HOOK_TIMEOUT=120000" 
     -e "NODE_ENV=production" 
     --name konga 
     pantsel/konga
    

    8.万事大吉

    登录http://localhost:1337进入Konga,配置 Kong's admin API的连接,然后激活此链接,炫酷的面板,大吉大利!!!

    二、服务初体验

    1.添加服务

    curl -i -X POST http://localhost:8001/services 
         --data name=example_service 
         --data url='http://mockbin.org'
    

    http://mockbin.org ,点进入你就知道是干啥的了!以下验证此服务

    curl -i http://localhost:8001/services/example_service
    

    2.添加路由

    curl -i -X POST http://localhost:8001/services/example_service/routes 
    --data 'paths[]=/mock' 
     --data 'name=mocking'
    

    以下验证此服务

    curl -i -X GET http://localhost:8000/mock
    

    3.添加限流

    curl -i -X POST http://localhost:8001/plugins 
    --data "name=rate-limiting" 
    --data "config.minute=5" 
    --data "config.policy=local"
    

    以下验证此服务,每分钟只能请求5次

    curl -i -X GET http://localhost:8000/mock/request
    

    超过5次,

    {
      "message":"API rate limit exceeded"
    }
    

    如下图

    4.代理缓存

    curl -i -X POST http://localhost:8001/plugins 
    --data name=proxy-cache 
    --data config.content_type="application/json" 
    --data config.cache_ttl=30 
    --data config.strategy=memory
    

    注意抓取请求头的变化(与教程有点出入,不太好使!)

    curl -i -X GET http://localhost:8000/mock/request
    

    删除缓存

    curl -i -X DELETE http://localhost:8001/proxy-cache
    

    5.身份验证

    curl -X POST http://localhost:8001/routes/mocking/plugins 
    --data name=key-auth
    

    再次访问服务,HTTP/1.1 401 Unauthorized

    设置使用者

    curl -i -X POST -d "username=consumer&custom_id=consumer" http://localhost:8001/consumers/
    

    创建凭据,对于此示例,将密钥设置为apikey。如果未输入任何密钥,则Kong将自动生成密钥。

    curl -i -X POST http://localhost:8001/consumers/consumer/key-auth -d 'key=apikey'
    

    返回结果如下:

    {
    	"created_at": 1611110699,
    	"id": "6695bd72-16e6-490d-b983-c141c39b5da8",
    	"tags": null,
    	"ttl": null,
    	"key": "apikey",
    	"consumer": {
    		"id": "cbdec9e6-70aa-4166-9289-e1fe5737ab6e"
    	}
    }
    

    再次访问服务,返回正常

    curl -i http://localhost:8000/mock/request -H 'apikey:apikey'
    

    6.禁用插件(可选)

    curl -X GET http://localhost:8001/routes/mocking/plugins/
    

    以下是返回的数据

    {
    	"next": null,
    	"data": [{
    		"created_at": 1611109944,
    		"id": "e488b6e6-6183-499c-b430-0aa676245ee5",
    		"tags": null,
    		"enabled": true,
    		"protocols": ["grpc", "grpcs", "http", "https"],
    		"name": "key-auth",
    		"consumer": null,
    		"service": null,
    		"route": {
    			"id": "ed6baf5a-5d32-4550-91d8-661fc3539e44"
    		},
    		"config": {
    			"key_in_query": true,
    			"key_names": ["apikey"],
    			"key_in_header": true,
    			"run_on_preflight": true,
    			"anonymous": null,
    			"hide_credentials": false,
    			"key_in_body": false
    		}
    	}]
    }
    

    禁用此插件

    curl -X PATCH http://localhost:8001/routes/mocking/plugins/e488b6e6-6183-499c-b430-0aa676245ee5 
     --data "enabled=false"
    

    7.负载均衡

    配置上游服务

    curl -X POST http://localhost:8001/upstreams 
     --data name=upstream
    

    以前配置的服务指向上游

    curl -X PATCH http://localhost:8001/services/example_service 
    --data host='upstream'
    

    向上游添加目标,此处玩脱了容器卡住多次也不能添加成功

    curl -X POST http://localhost:8001/upstreams/upstream/targets 
    --data target='mockbin.org:80'
    
    curl -X POST http://localhost:8001/upstreams/upstream/targets 
    --data target='httpbin.org:80'
    

    浏览器中访问 http://localhost:8000/mock 进行验证

    特别声明文中参考:
    https://www.cnblogs.com/jerryqm/p/13030425.html

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  • 原文地址:https://www.cnblogs.com/bhfdz/p/14303309.html
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