05-ingress-permanent-redirect.md

Ingress Permanent Redirect (nginx)

Example

# redirect.yml 
apiVersion: v1
kind: Namespace
metadata:
  name: my-namespace

---

apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  annotations:
    nginx.ingress.kubernetes.io/permanent-redirect: https://www.google.de
    nginx.ingress.kubernetes.io/permanent-redirect-code: "308"
  creationTimestamp: null
  name: destination-home
  namespace: my-namespace
spec:
  rules:
  - host: web.training.local
    http:
      paths:
      - backend:
          service:
            name: http-svc
            port:
              number: 80
        path: /source
        pathType: ImplementationSpecific

Achtung: host-eintrag auf Rechner machen, von dem aus man zugreift 

/etc/hosts 
45.23.12.12 web.training.local

curl -I  http://web.training.local/source
HTTP/1.1 308 
Permanent Redirect 

Umbauen zu google ;o)

This annotation allows to return a permanent redirect instead of sending data to the upstream. For example nginx.ingress.kubernetes.io/permanent-redirect: https://www.google.com would redirect everything to Google.

Refs:

• https://github.com/kubernetes/ingress-nginx/blob/main/docs/user-guide/nginx-configuration/annotations.md#permanent-redirect