Can't get traefik on kubernetes to working with external IP in a home lab
I have a 3 node Kubernetes cluster running at home. I deployed traefik with helm, however, it never gets an external IP. Since this is in the private IP address space, shouldn't I expect the external IP to be something in the same address space? Am I missing something critical here?
$ kubectl describe svc traefik --namespace kube-system Name: traefik Namespace: kube-system Labels: app=traefik chart=traefik-1.64.0 heritage=Tiller release=traefik Annotations: <none> Selector: app=traefik,release=traefik Type: NodePort IP: 10.233.62.160 Port: http 80/TCP TargetPort: http/TCP NodePort: http 31111/TCP Endpoints: 10.233.86.47:80 Port: https 443/TCP TargetPort: httpn/TCP NodePort: https 30690/TCP Endpoints: 10.233.86.47:8880 Session Affinity: None External Traffic Policy: Cluster Events: <none> $ kubectl get svc traefik --namespace kube-system -w NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE traefik NodePort 10.233.62.160 <none> 80:31111/TCP,443:30690/TCP 133m
Use MetalLB, to get an LB IP. More here on their site.
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external IP works in external cloud provider platform like Google CLoud Platform.
In your case, you can access traefik service at the below url
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As seen in the outputs, type of your service is NodePort. With this type no external ip is exposed. Here is the definition from official documentatin:
If you set the type field to NodePort, the Kubernetes master will allocate a port from a range specified by --service-node-port-range flag (default: 30000-32767), and each Node will proxy that port (the same port number on every Node) into your Service. That port will be reported in your Service’s .spec.ports[*].nodePort field.
If you want to reach your service from external you have to use ip address of your computer and the port that Kubernetes exposed like this:
You can read this page for details.
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- MetalLB does support getting a LB/External IP.
- heard about it but not used