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spring-cloud-tencent/spring-cloud-tencent-examples/polaris-router-featureenv-e.../README-zh.md

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多测试环境样例说明

English | 简体中文

一、部署结构

如上图所示，一共有三个环境：

  1. 基线环境，包含 FrontService、MiddleService、BackendService
  2. feature1 环境，包含 MiddleService、BackendService
  3. feature2 环境，包含 FrontService、BackendService

并且在入口处，部署网关服务。

三条请求链路：

  1. 基线环境链路，Gateway -> FrontService(基线) -> MiddleService(基线) -> BackendService(基线)
  2. feature1 环境链路，Gateway -> FrontService(基线) -> MiddleService(feature1) -> BackendService(feature1)
  3. feature2 环境链路，Gateway -> FrontService(feature2) -> MiddleService(基线) -> BackendService(feature2)

二、运行样例

无需任何代码变更，直接启动 base、feature1、feature2、featureenv-gateway 下所有应用即可。

应用默认指向北极星官方的体验环境，启动成功后可直接到体验站点查看服务注册数据。

三、测试

方式一：客户端打标

基线环境链路

curl http://127.0.0.1:9999/featureenv-front-example/router/rest

响应结果（base 表示基线环境）

featureenv-front-example[base] -> featureenv-middle-example[base] -> featureenv-backend-example[base]

feature1 环境链路

通过 X-Polaris-Metadata-Transitive-featureenv 请求头指定特性环境。

curl -H'X-Polaris-Metadata-Transitive-featureenv:feature1' http://127.0.0.1:9999/featureenv-front-example/router/rest

响应结果

featureenv-front-example[base] -> featureenv-middle-example[feature1] -> featureenv-backend-example[feature1]

feature2 环境链路

通过 X-Polaris-Metadata-Transitive-featureenv 请求头指定特性环境。

curl -H'X-Polaris-Metadata-Transitive-featureenv:feature2' http://127.0.0.1:9999/featureenv-front-example/router/rest

响应结果

featureenv-front-example[feature2] -> featureenv-middle-example[base] -> featureenv-backend-example[feature2]

方式二：网关流量染色

模拟一种实际的场景，假设客户端请求有一个 uid 请求参数，期望:

  1. uid=1000 的请求打到 feature1 环境
  2. uid=2000 的请求打到 feature2 环境
  3. 其它 uid 的请求打到基线环境

配置染色规则

配置地址：http://119.91.66.223:80/#/filegroup-detail?group=featureenv-gateway&namespace=default

修改 rule/staining.json 配置文件，填写以下规则:

{
  "rules": [
    {
      "conditions": [
        {
          "key": "${http.query.uid}",
          "values": [
            "1000"
          ],
          "operation": "EQUALS"
        }
      ],
      "labels": [
        {
          "key": "featureenv",
          "value": "feature1"
        }
      ]
    },
    {
      "conditions": [
        {
          "key": "${http.query.uid}",
          "values": [
            "2000"
          ],
          "operation": "EQUALS"
        }
      ],
      "labels": [
        {
          "key": "featureenv",
          "value": "feature2"
        }
      ]
    }
  ]
}

填写完后发布配置即可。

基线环境链路

curl http://127.0.0.1:9999/featureenv-front-example/router/rest?uid=3000

响应结果（base 表示基线环境）

featureenv-front-example[base] -> featureenv-middle-example[base] -> featureenv-backend-example[base]

feature1 环境链路

通过 X-Polaris-Metadata-Transitive-featureenv 请求头指定特性环境。

curl http://127.0.0.1:9999/featureenv-front-example/router/rest?uid=1000

响应结果

featureenv-front-example[base] -> featureenv-middle-example[feature1] -> featureenv-backend-example[feature1]

feature2 环境链路

通过 X-Polaris-Metadata-Transitive-featureenv 请求头指定特性环境。

curl http://127.0.0.1:9999/featureenv-front-example/router/rest?uid=2000

响应结果

featureenv-front-example[feature2] -> featureenv-middle-example[base] -> featureenv-backend-example[feature2]