Kubernetes Ingress Component Deployment¶
Introduction¶
Nginx Ingress is an implementation of Kubernetes Ingress. It watches the Ingress resources in the Kubernetes cluster, converts Ingress rules into Nginx configurations, and allows Nginx to perform Layer 7 traffic forwarding.
Prerequisites¶
- A Kubernetes cluster has been deployed; if not, refer to Kubernetes Deployment
- (Optional) Helm tool has been deployed; if not, refer to Helm Installation
Basic Information and Compatibility¶
| Name | Description |
|---|---|
| Ingress-nginx Version | 1.3.0 |
| Supported Cluster Version | 1.18+ |
| Ingress-nginx Port Number | 32280 |
| Offline Installation Support | Yes |
| Supported Architecture | amd64/arm64 |
Deployment Steps¶
1. Installation¶
For deploying the Kubernetes Ingress component, refer to https://github.com/kubernetes/ingress-nginx
- For Kubernetes > 1.18
helm install ingress-nginx ingress-nginx \
--repo https://pubrepo.guance.com/chartrepo/dataflux-chart \
-n ingress-nginx --create-namespace
- For Kubernetes = 1.18
- For Kubernetes > 1.18
Download ingress-nginx.yaml
Execute the following command to install:
- For Kubernetes = 1.18
Download ingress-nginx4.1.4.yaml
Execute the following command to install:
2. Verification¶
2.1 Check Pod Status¶
kubectl get pods -n ingress-nginx
NAME READY STATUS RESTARTS AGE
ingress-nginx-controller-7bf6c446bf-b7bq7 1/1 Running 1 26d
2.2 Query Ports¶
Get the ingress-nginx NodePort port number
Note
The NodePort port number may differ between Helm and Yaml deployments. As shown in the figure, the ingress-nginx NodePort is 32280, 32483.
2.3 Create Test Service¶
# Create test deployment
kubectl create deployment ingress-test --image=nginx --port=80
# Create test svc
kubectl expose deployment ingress-test --port=80 --target-port=80
# Create test ingress
kubectl create ingress ingress-test --rule='foo.com/=ingress-test:80'
2.4 Testing¶
Note
192.168.100.101 is the IP address of the Kubernetes node.
<!DOCTYPE html>
<html>
<head>
<title>Welcome to nginx!</title>
<style>
html { color-scheme: light dark; }
body { width: 35em; margin: 0 auto;
font-family: Tahoma, Verdana, Arial, sans-serif; }
</style>
</head>
<body>
<h1>Welcome to nginx!</h1>
<p>If you see this page, the nginx web server is successfully installed and
working. Further configuration is required.</p>
<p>For online documentation and support please refer to
<a href="http://nginx.org/">nginx.org</a>.<br/>
Commercial support is available at
<a href="http://nginx.com/">nginx.com</a>.</p>
<p><em>Thank you for using nginx.</em></p>
</body>
</html>
2.5 Clean Up Test Service¶
kubectl delete deployment ingress-test
kubectl delete svc ingress-test
kubectl delete ingress ingress-test