WebSocket握手:意外的响应代码:Kubernetes-ingress中的400 [英] WebSocket handshake: Unexpected response code: 400 in kubernetes-ingress
问题描述
如果我要连接到用于Web套接字服务的入口,则会遇到此问题 失败:WebSocket握手期间出错:意外的响应代码:400
Facing this issue if I am connecting to ingress for web socket service failed: Error during WebSocket handshake: Unexpected response code: 400
入口YAML
kind: Ingress
apiVersion: extensions/v1beta1
metadata:
name: websocket-producer-cdph
spec:
rules:
host: some.domain.com
http:
paths:
path: "/"
backend:
serviceName: websocket-producer-cdph
servicePort: 8183
status:
loadBalancer:
ingress:
{}
服务YAML
kind: Service
apiVersion: v1
metadata:
name: websocket-producer-cdph
spec:
ports:
name: ws
protocol: TCP
port: 8183
targetPort: 8183
selector:
app: websocket-producer-cdph
clusterIP: 10.100.254.99
type: ClusterIP
sessionAffinity: None
status:
loadBalancer:
{}
当我尝试听ws://some.domain.com/ws时,它正在显示 WebSocket握手期间出错:意外的响应代码:400
When I try to listen ws://some.domain.com/ws it's showing Error during WebSocket handshake: Unexpected response code: 400
/ws是路径
但是,如果去为LoadBalancer更新服务中的规范类型,它将生成一个IP 192.168.1.17:8183,并监听ws://192.168.1.17:8183/ws的工作情况,但我需要公开该URL使用入口,以便可以在网络外部使用.
But if go and update spec type in service to LoadBalancer, it'll generate an IP 192.168.1.17:8183 and listening to that ws://192.168.1.17:8183/ws its working but I need to expose the URL using ingress so it can be used outside of the network.
我将以下图片用于入口控制器:
I am using the following image for ingress controller:
quay.io/kubernetes-ingress-controller/nginx-ingress-controller:0.19.0
如何为网络套接字服务创建入口?
How can I create ingress for a web-socket service?
推荐答案
如 nginx-ingress文档,要代理WebSocket通信,您应该使用带有websocket服务名称的注释.不要忘记使用引号:
As stated in the nginx-ingress documentation, to proxy WebSocket traffic you should use annotation with the name of websocket service. Don't forget to use quotes:
nginx.org/websocket-services: "service1[,service2,...]"
在此示例中,文档,仅对以下三种服务之一(ws-svc
)启用WebSocket:
In this example from the documentation, WebSocket is enabled only for one of three services (ws-svc
):
apiVersion: extensions/v1beta1
kind: Ingress
metadata:
name: cafe-ingress
annotations:
nginx.org/websocket-services: "ws-svc"
spec:
rules:
- host: cafe.example.com
http:
paths:
- path: /tea
backend:
serviceName: tea-svc
servicePort: 80
- path: /coffee
backend:
serviceName: coffee-svc
servicePort: 80
- path: /ws
backend:
serviceName: ws-svc
servicePort: 8008
这篇关于WebSocket握手:意外的响应代码:Kubernetes-ingress中的400的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!