Host redirect

Redirect requests to a different host.

For more information, see the Kubernetes Gateway API documentation.

Before you begin

1. Set up an agentgateway proxy.
2. Install the httpbin sample app.

Set up host redirects

1. Create an HTTPRoute for the httpbin app. In the following example, requests for the host.redirect.example domain are redirected to the www.example.com hostname, and a 302 HTTP response code is returned to the user.

   kubectl apply -f- <<EOF
   apiVersion: gateway.networking.k8s.io/v1
   kind: HTTPRoute
   metadata:
     name: httpbin-redirect
     namespace: httpbin
   spec:
     parentRefs:
       - name: agentgateway-proxy
         namespace: agentgateway-system
     hostnames:
       - host.redirect.example
     rules:
       - filters:
         - type: RequestRedirect
           requestRedirect:
             hostname: "www.example.com"
             statusCode: 302
   EOF

2. Send a request to the httpbin app on the host.redirect.example domain and verify that you get back a 302 HTTP response code and the redirect location www.example.com/headers.

   Cloud Provider LoadBalancerPort-forward for local testing

   curl -vi http://$INGRESS_GW_ADDRESS:80/headers -H "host: host.redirect.example:80"

   curl -vi localhost:8080/headers -H "host: host.redirect.example"

   Example output:

   * Mark bundle as not supporting multiuse
   < HTTP/1.1 302 Found
   HTTP/1.1 302 Found
   < location: http://www.example.com/headers
   location: http://www.example.com/headers
   < server: envoy
   server: envoy
   < content-length: 0
   content-length: 0

Cleanup

kubectl delete httproute httpbin-redirect -n httpbin