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[英]Unable to get a websocket app work through kubernetes ingress-nginx in a non-root context path
[英]Kubernetes Ingress non-root path 404 Not Found
當我嘗試<NodeIP>:30080
時,我有以下配置
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
name: app-deployment
spec:
replicas: 3
template:
metadata:
labels:
name: app-node
spec:
containers:
- name: app
image: myregistry.net/repo/app:latest
imagePullPolicy: Always
ports:
- containerPort: 8080
env:
- name: NODE_ENV
value: production
---
apiVersion: v1
kind: Service
metadata:
name: app-service
spec:
selector:
name: app-node
ports:
- protocol: TCP
port: 80
targetPort: 8080
nodePort: 30080
type: NodePort
我正在嘗試使用入口:
apiVersion: extensions/v1beta1
kind: Ingress
metadata:
name: nginx-ingress
spec:
rules:
- host: myhost.com
http:
paths:
- path: /app
backend:
serviceName: app-service
servicePort: 80
myhost.com
與 nginx 介紹屏幕一起使用,但myhost.com/app
給出404 Not Found
。 我的設置問題出在哪里?
更新:
- path: /
backend:
serviceName: app-service
servicePort: 80
如果我執行根路徑,它可以工作,但是/app
怎么沒有?
您的入口定義創建了將流量從{path}
代理到{backend.serviceName}{path}
的規則。 在您的情況下,我認為它不起作用的原因是/app
被代理到app-service:80/app
但您打算在/
根目錄提供流量。 嘗試將此注釋添加到您的入口資源: nginx.ingress.kubernetes.io/rewrite-target: /
來源: https ://github.com/kubernetes/ingress-nginx/tree/master/docs/examples/rewrite
正如brandon-barnett 所指出的,問題出在路徑上,但在閱讀了他分享的鏈接之后,對你來說,布蘭登大吃一驚,我意識到必須指定更具體的重寫規則才能使其正常工作。 就我而言
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
annotations:
nginx.ingress.kubernetes.io/rewrite-target: /$2
name: rewrite
namespace: default
spec:
ingressClassName: nginx
rules:
- host: rewrite.bar.com
http:
paths:
- path: /something(/|$)(.*)
pathType: Prefix
backend:
service:
name: http-svc
port:
number: 80
訣竅是在注釋處使用 /$2 ,在路徑處使用 (/|$)(.*) 。 所以這個重寫做了什么,它選擇了一些東西之后的所有東西/並用它替換了 $2,所以:
如果它對其他人有用:
我有同樣的事情,它與 Kubernetes Ingress Nginx 無關。 它是我的 pod 中運行 UI 的 Nginx 服務器(在我的例子中是 Vue.JS)。
解決方案:
user nginx; worker_processes auto; error_log /var/log/nginx/error.log warn; pid /var/run/nginx.pid; events { worker_connections 1024; } http { include mime.types; default_type application/octet-stream; sendfile on; keepalive_timeout 65; log_format main '$remote_addr - $remote_user [$time_local] "$request" ' '$status $body_bytes_sent "$http_referer" ' '"$http_user_agent" "$http_x_forwarded_for"'; access_log /var/log/nginx/access.log main; server { listen 80; root /usr/share/nginx/html; index index.html; location / { try_files $uri $uri/ /index.html; } } }
# production stage FROM nginx:stable-alpine as production-stage COPY nginx.conf /etc/nginx/ COPY --from=build-stage /app/dist /usr/share/nginx/html EXPOSE 80 CMD ["nginx", "-g", "daemon off;"]
參考:https://stackoverflow.com/a/54193517/4059810
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