Kubernetes Inress未重定向到正确路径 [英] Kubernetes Ingress not redirecting to correct path

问题描述

我在作为部署运行的Kubernetes集群中有一个托管在Apache上的Django应用程序。应用程序在端口8080上运行，应用程序根目录为"；/"；。当有人输入/tascaty时，我希望我的入口重定向到我的应用程序，但当我在入口资源中输入路径/tascaty时，这不会发生。但是当我将路径设置为/时，它就起作用了。以下是我的应用程序的详细信息

应用程序的Apache配置文件：

Listen 8080
<VirtualHost *:8080>

        WSGIDaemonProcess tascaty_dev python-path=/usr/local/lib/python3.8/dist-packages

        <Location />
                WSGIProcessGroup tascaty_dev
                WSGIApplicationGroup %{GLOBAL}
        </Location>

        WSGIScriptAlias / /usr/local/lib/python3.8/dist-packages/tascaty_project/wsgi.py
        <Directory /usr/local/lib/python3.8/dist-packages/tascaty_project/>
                <Files wsgi.py>
                        Require all granted
                </Files>
        </Directory>

        Alias /static /usr/local/lib/python3.8/dist-packages/static
        <Directory /usr/local/lib/python3.8/dist-packages/static>
                Require all granted
        </Directory>
</VirtualHost>

应用部署：

apiVersion: apps/v1
kind: Deployment
metadata:
  name: tascatyk8s-deployment
  namespace: tascaty
spec:
  replicas: 1
  selector:
    matchLabels:
      component: tascatyk8s
  template:
    metadata:
      labels:
        component: tascatyk8s
    spec:
      volumes:
        - name: tascatyk8s-mount
          persistentVolumeClaim:
            claimName: tascatyk8s-pvc
      containers:
        - name: tascatyk8s
          image: abdul8423/tascatyk8s:v3
          ports:
            - containerPort: 8080
          volumeMounts:
            - mountPath: /usr/local/lib/python3.8/dist-packages/users/migrations
              name: tascatyk8s-mount
              subPath: users
            - mountPath: /usr/local/lib/python3.8/dist-packages/tascaty/migrations
              name: tascatyk8s-mount
              subPath: tascaty
            - mountPath: /usr/local/lib/python3.8/dist-packages/leaves/migrations
              name: tascatyk8s-mount
              subPath: leaves
            - mountPath: /usr/local/lib/python3.8/dist-packages/blog/migrations
              name: tascatyk8s-mount
              subPath: blog
          env:
            - name: TASCATY_HOST
              valueFrom:
                configMapKeyRef:
                  name: tascatyk8s-dep-configmap
                  key: TASCATY_HOST
            - name: TASCATY_PORT
              valueFrom:
                configMapKeyRef:
                  name: tascatyk8s-dep-configmap
                  key: TASCATY_PORT
            - name: TASCATY_DB
              valueFrom:
                configMapKeyRef:
                  name: tascatyk8s-dep-configmap
                  key: TASCATY_DB
            - name: TASCATY_USER
              valueFrom:
                configMapKeyRef:
                  name: tascatyk8s-dep-configmap
                  key: TASCATY_USER
            - name: TASCATY_PASS
              valueFrom: 
                secretKeyRef:
                  name: tascaty-secret
                  key: MYSQL_PASSWORD
      nodeSelector:
        component: tascaty

应用服务

apiVersion: v1
kind: Service
metadata:
  name: tascatyk8s-cluster-ip-service
  namespace: tascaty
spec:
  type: ClusterIP
  selector:
    component: tascatyk8s
  ports:
    - port: 8080
      targetPort: 8080

使用

安装入口控制器

kubectl apply -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/controller-v0.34.1/deploy/static/provider/baremetal/deploy.yaml

入口资源：

apiVersion: networking.k8s.io/v1beta1
kind: Ingress
metadata:
  name: tascatyk8s-deployment-ingress
  namespace: tascaty
  annotations:
    kubernetes.io/ingress.class: nginx
    nginx.ingress.kubernetes.io/rewrite-target: /
spec:
  rules:
  - http:
      paths:
      - path: /tascaty
        backend:
          serviceName: tascatyk8s-cluster-ip-service
          servicePort: 8080

当我尝试访问https://192.168.56.2:31150/tascaty时，它会重定向到https://192.168.56.2:31150/login/?next=/ 但我收到404 Not Found

但是，当我将入口资源中的路径替换为/而不是/tascaty时，它可以正常工作。

推荐答案

入口路径发生了什么/tascaty：

您的Apache/WSGI服务器正在执行重定向。在重定向到/之后，客户端返回到入口，而入口不知道如何处理，因此它将向您显示404

入口路径发生了什么/：

您的Apache/WSGI服务器正在执行重定向。重定向到/后，客户端返回到入口，入口知道如何处理/，这一切都运行得很好。

因此，您的入口(运行nginx)和Apache需要始终在同一路径上达成一致。因此，您要么在您入口上使用/，要么将您的Apache配置更改为也在/tascaty上提供服务，以便它不是重定向到/，而是重定向到/tascaty。

后者示例：

Listen 8080
<VirtualHost *:8080>

        WSGIDaemonProcess tascaty_dev python-path=/usr/local/lib/python3.8/dist-packages

        <Location /tascaty>
                WSGIProcessGroup tascaty_dev
                WSGIApplicationGroup %{GLOBAL}
        </Location>

        WSGIScriptAlias /tascaty /usr/local/lib/python3.8/dist-packages/tascaty_project/wsgi.py
        <Directory /usr/local/lib/python3.8/dist-packages/tascaty_project/>
                <Files wsgi.py>
                        Require all granted
                </Files>
        </Directory>

        Alias /tascaty/static /usr/local/lib/python3.8/dist-packages/static
        <Directory /usr/local/lib/python3.8/dist-packages/static>
                Require all granted
        </Directory>
</VirtualHost>

此外，您还需要从入口清单中删除以下内容：

    nginx.ingress.kubernetes.io/rewrite-target: /

✌️

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