What am I missing I setup a K3S cluster and used Harvester as the Cloud Provider when I create a LoadBalancer it using the 3 ip s of my work nodes I would like to be able to route based on prefix i e <http myapp app domain com|myapp app domain com> I setup CloudFlare to point wildcard <http app domain com|app domain com> to on of the worker node IP s and that works but if that particular worker node crashes and gets a new IP I can no longer get to my apps and I need to update the IP in CloudFlare Is there a way to expose a single IP that can resolve the work node IP s TIA

What am I missing I setup a K3S cluster and used Harvester a rancher-users #harvester

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salmon-afternoon-72196

01/03/2023, 6:27 PM

What am I missing? I setup a K3S cluster and used Harvester as the Cloud Provider, when I create a LoadBalancer it using the 3 ip's of my work nodes. I would like to be able to route based on prefix i.e. myapp.app.domain.com. I setup CloudFlare to point wildcard *.app.domain.com to on of the worker node IP's and that works but if that particular worker node crashes and gets a new IP I can no longer get to my apps and I need to update the IP in CloudFlare. Is there a way to expose a single IP that can resolve the work node IP's? TIA

bright-fireman-42144

02/07/2023, 4:00 PM

look into metallb in conjuction with traefik as an ingress controller

older article (only showing so you can get a better idea, never blindly follow blogs/tutorials unless in a dev sandbox) https://www.devtech101.com/using-metallb-and-traefik-load-balancing-for-your-bare-metal-kubernetes-cluster-part-1/

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