我想将 gRPC 服务部署到 Azure Kubernetes 服务。我已经使用 Helm 图表部署了 RESTful 服务,但 gRPC 服务抛出“连接超时”错误。
我已经尝试了 NGINX 和 HELM 文档中所说的一切,但没有任何效果。该证书是自签名的。我已经尝试了注释的所有排列和组合:p
服务.yaml
apiVersion: v1
kind: Service
metadata:
name: {{ template "fullname" . }}
labels:
app: {{ template "fullname" . }}
chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
release: "{{ .Release.Name }}"
heritage: "{{ .Release.Service }}"
spec:
ports:
- port: 50051
protocol: TCP
targetPort: 50051
name: grpc
selector:
app: {{ template "fullname" . }}
type: NodePort
ingress.yaml
{{ if .Values.ingress.enabled }}
apiVersion: extensions/v1beta1
kind: Ingress
metadata:
name: {{ template "fullname" . }}
annotations:
kubernetes.io/ingress.class: nginx
nginx.ingress.kubernetes.io/grpc-backend: "true"
nginx.org/grpc-services: {{ template "fullname" . }}
nginx.ingress.kubernetes.io/ssl-redirect: "true"
nginx.ingress.kubernetes.io/rewrite-target: /$2
spec:
tls:
secretName: aks-ingress-tls
rules:
- http:
proto: h2
paths:
- backend:
serviceName: {{ template "fullname" . }}
servicePort: grpc
proto: h2
path: /{servicename}-grpc(/|$)(.*)
{{ end }}
也试过了-还是不行-
{{ if .Values.ingress.enabled }}
apiVersion: extensions/v1beta1
kind: Ingress
metadata:
name: {{ template "fullname" . }}
annotations:
kubernetes.io/ingress.class: nginx
nginx.ingress.kubernetes.io/ssl-redirect: "true"
nginx.ingress.kubernetes.io/backend-protocol: "GRPC"
nginx.ingress.kubernetes.io/rewrite-target: /$2
spec:
tls:
- secretName: aks-ingress-tls
rules:
- http:
paths:
- backend:
serviceName: {{ template "fullname" . }}
servicePort: 50051
path: /servicename-grpc(/|$)(.*)
{{ end }}
最佳答案
您的入口似乎缺少注释。
ingress.yaml - 片段
apiVersion: extensions/v1beta1
kind: Ingress
metadata:
annotations:
# This annotation matters!
nginx.ingress.kubernetes.io/backend-protocol: "GRPC"
According to this snippet from the official Kubernetes nginx ingress documentation:
Backend Protocol
Using backend-protocol annotations is possible to indicate how NGINX should communicate with the backend service. (Replaces secure-backends in older versions) Valid Values: HTTP, HTTPS, GRPC, GRPCS and AJP
By default NGINX uses HTTP.
Example:
nginx.ingress.kubernetes.io/backend-protocol: "HTTPS"
顺便说一句,您可能需要指定 GRPCS
而不是 GRPC
,因为看起来您正在使用 SSL。
另一件需要指出的事情是,文档提到此注解取代了旧版本中的“secure-backends”,这可能是您找到当前正在使用的 grpc-backend
注解的地方。
关于kubernetes - 如何配置 Helm chart 的 Ingress 文件来部署 gRPC 服务?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/57518809/