Istio出口流量路由-无出口网关重试

Question

我正在尝试实现VirtualService中的重试功能，用于网格外部的出口流量。这似乎行不通。我们是否应该总是为重试工作配置出口网关？

 apiVersion: networking.istio.io/v1alpha3
kind: ServiceEntry
metadata:
  name: httpbin-external
spec:
  hosts:
    - httpbin.org
  ports:
    - number: 80
      name: http
      protocol: HTTP
    - number: 443
      name: tls
      protocol: TLS
  resolution: DNS
  location: MESH_EXTERNAL
  exportTo:
  - "."
---
apiVersion: networking.istio.io/v1beta1
kind: VirtualService
metadata:
  name: external-httpbin
spec:
  hosts:
    - httpbin.org
  http:
  - timeout: 3s
    route:
      - destination:
          host: httpbin.org
        weight: 100
    retries:
      attempts: 5
      perTryTimeout: 2s
      retryOn: gateway-error,connect-failure,refused-stream,retriable-4xx,5xx 

Answer 1

您所共享的虚拟服务没有与其连接的出口网关。

入口：

• istio-egressgateway