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Version: 1.6.1

Configuring Ingress with Kubernetes Ingress resource

This tutorial will walk you through on how you can configure APISIX Ingress with the default Kubernetes Ingress resource.

Prerequisites#

Before you move on, make sure you:

  1. Have access to a Kubernetes cluster. This tutorial uses minikube.
  2. Install APISIX Ingress. See the Installation section.

Deploy httpbin#

We will deploy a sample service, kennethreitz/httpbin, for this tutorial.

You can deploy it to your Kubernetes cluster by running:

kubectl run httpbin --image kennethreitz/httpbin --port 80
kubectl expose pod httpbin --port 80

Configuring Ingress#

We can use the default Kubernetes Ingress resource to configure APISIX Ingress. The example below shows a sample configuration that creates a Route to the httpbin service:

httpbin-ingress.yaml
# use v1beta1 if your Kubernetes cluster version is older than v1.19.0
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
name: httpserver-ingress
spec:
# we use APISIX Ingress and it watches Ingress resources with "apisix" ingressClassName
ingressClassName: apisix
rules:
- host: local.httpbin.org
http:
paths:
- backend:
service:
name: httpbin
port:
number: 80
path: /
pathType: Prefix

This configuration will route all requests with host local.httpbin.org to the httpbin service.

You can apply it by running:

kubectl apply -f httpbin-ingress.yaml

Test the created Routes#

If you followed along and used minikube and NodePort service to expose APISIX, you can access it through the Node IP of the service apisix-gateway. If the Node IP is not reachable directly (if you are on Darwin, Windows, or WSL), you can create a tunnel to access the service on your machine:

minikube service apisix-gateway --url -n ingress-apisix

Now, you can send a GET request to the created Route and it will be Routed to the httpbin service:

curl --location --request GET "localhost:57687/get?foo1=bar1&foo2=bar2" -H "Host: local.httpbin.org"

You will receive a response similar to:

output
{
"args": {
"foo1": "bar1",
"foo2": "bar2"
},
"headers": {
"Accept": "*/*",
"Host": "local.httpbin.org",
"User-Agent": "curl/7.84.0",
"X-Forwarded-Host": "local.httpbin.org"
},
"origin": "172.17.0.1",
"url": "http://local.httpbin.org/get?foo1=bar1&foo2=bar2"
}