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: v1
kind: Service
metadata:
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/v1beta1
kind: Deployment
metadata:
name: example-rate-limit
spec:
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: 100Mi
kubectl apply -f example-rate-limit.yaml
部署状态 
服务配置
--- apiVersion: v1 kind: Service metadata: name: qotm annotations: getambassador.io/config: | --- apiVersion: ambassador/v0 kind: Mapping name: qotm_mapping prefix: /qotm/ service: qotm rate_limits: - descriptor: A test case headers: - "x-ambassador-test-allow" spec: type: ClusterIP selector: app: qotm ports: - port: 80 name: http-qotm targetPort: http-api kubectl 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
