与认证类似ambassador 也是委托给三方的其他服务进行限速处理

基本的环境安装可以参考相关文档,主要还是qotm 服务

官方参考实现的简单限速服务

---apiVersion: v1kind: Servicemetadata:  name: example-rate-limit  annotations:    getambassador.io/config: |      ---      apiVersion: ambassador/v0      kind: RateLimitService      name: ratelimit      service: "example-rate-limit:5000"spec:  type: ClusterIP  selector:    app: example-rate-limit  ports:  - port: 5000    name: http-example-rate-limit    targetPort: http-api---apiVersion: extensions/v1beta1kind: Deploymentmetadata:  name: example-rate-limitspec:  replicas: 1  strategy:    type: RollingUpdate  template:    metadata:      labels:        app: example-rate-limit    spec:      containers:      - name: example-rate-limit        image: agervais/ambassador-ratelimit-service:1.0.0        imagePullPolicy: Always        ports:        - name: http-api          containerPort: 5000        resources:          limits:            cpu: "0.1"            memory: 100Mikubectl apply -f example-rate-limit.yaml

部署状态

服务配置

---apiVersion: v1kind: Servicemetadata:name: qotmannotations:getambassador.io/config: |---apiVersion: ambassador/v0kind: Mappingname: qotm_mappingprefix: /qotm/service: qotmrate_limits:- descriptor: A test caseheaders:- "x-ambassador-test-allow"spec:type: ClusterIPselector:app: qotmports:- port: 80name: http-qotmtargetPort: http-apikubectl apply -f service-config.yaml

测试服务

• 测试脚本

curl -v -H "x-ambassador-test-allow: probably" http://localhost:32190//qotm/quote/1

参考资料