kubernetes kubernates amabassador上的Fastapi 404,在路径前面添加了一个斜杠

eqqqjvef  于 2023-04-29  发布在  Kubernetes
关注(0)|答案(1)|浏览(129)

我试图在kubernates集群AWS EKS上部署一个fastapi应用程序,但是在我部署API之后,当我遇到端点的路径时,我得到了一个494错误,因为它在路径前面添加了一个斜杠
下面是我的示例fastapi代码

@app.get("/ping")
async def ping():
    """Health check"""
    response = {
        "message": HTTPStatus.OK.phrase,
        "status-code": HTTPStatus.OK
    }
    return response

下面是用于在k8s集群上部署的yaml文件

apiVersion: v1
kind: Service
metadata:
  name: fastapi-example
  namespace: gpu
  labels:
    run: fastapi-example
    app: fastapi-example
spec:
  selector:
    app: fastapi-example
  ports:
  - port: 8080
    targetPort: 8080
    protocol: TCP
    name: http

---
apiVersion: getambassador.io/v2
kind: Mapping
name: fastapi-example-mapping
metadata:
  name: fastapi-example
  namespace: gpu
spec:
  prefix: fastapi-example
  service: fastapi-example.gpu:8080

---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: fastapi-example
  namespace: gpu
  labels:
    app: fastapi-example
spec:
  replicas: 1
  selector:
    matchLabels:
      app: fastapi-example
  template:
    metadata:
      labels:
        app: fastapi-example
    spec:
      nodeSelector:
        node-type: gpu
      containers:
      - name: fastapi-example
      
        image: <docker-image-url>
        ports:
        - containerPort: 8080
          protocol: TCP
        resources:
          requests:
            cpu: "0.5"
          limits:
            cpu: "1"
        env:

部署后,当我访问带有端点和路径的URL时,我得到404,当我检查日志时,它在路径前面添加了一个斜杠。例如,当我检查日志时,我得到的是//ping而不是/ping。
另外要注意的是,我已经在同一个集群上部署了一个flask API,具有相同的上述配置,但我能够访问端点和路径-没有得到任何问题,此外,我在集群内测试了api,并能够收到响应,所以我不确定问题出在哪里

hfsqlsce

hfsqlsce1#

您可以使用合并斜杠选项
https://www.getambassador.io/docs/emissary/1.14/topics/running/ambassador#merge-slashes

merge_slashes: true

如果有多余的斜线,它将合并斜线,因此//ping/ping

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