Istio出口流量路由-没有出口网关的重试

Question

我正在尝试在VirtualService中实现对网格外部出口流量的重试功能。这似乎行不通。我们是否应该始终配置出口网关以使重试工作?

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

您共享的虚拟服务没有出口网关链接到它。

网关:

• istio-egressgateway