网关端口未在服务上定义

当网关(通常为 istio-ingressgateway)提供 Kubernetes 服务工作负载(网关选择)未提供的端口时,会显示此消息。

例如,您的 Istio 配置包含以下值

# Gateway with bogus ports

apiVersion: networking.istio.io/v1
kind: Gateway
metadata:
  name: istio-ingressgateway
spec:
  selector:
    istio: ingressgateway
  servers:
  - port:
      number: 80
      name: http
      protocol: HTTP
    hosts:
    - "*"
  - port:
      number: 8004
      name: http2
      protocol: HTTP
    hosts:
    - "*"
---

# Default Gateway Service

apiVersion: v1
kind: Service
metadata:
  name: istio-ingressgateway
spec:
  selector:
    istio: ingressgateway
  ports:
  - name: status-port
    port: 15021
    protocol: TCP
    targetPort: 15021
  - name: http2
    port: 80
    protocol: TCP
    targetPort: 8080
  - name: https
    port: 443
    protocol: TCP
    targetPort: 8443

在此示例中,GatewayPortNotDefinedOnService 消息出现是因为此配置使用端口 8004,但默认的 IngressGateway(名为 istio-ingressgateway)仅在目标端口 15021、8080 和 8443 上打开。

要解决此问题,请更改网关配置以使用工作负载上的有效端口,然后重试。

以下是一个修正的示例

# Gateway with correct ports

apiVersion: networking.istio.io/v1
kind: Gateway
metadata:
  name: istio-ingressgateway
spec:
  selector:
    istio: ingressgateway
  servers:
  - port:
      number: 8080
      name: http2
      protocol: HTTP
    hosts:
    - "*"
  - port:
      number: 8443
      name: https
      protocol: HTTP
    hosts:
    - "*"