Created a k8s cluster yesterday with two nodes, and have been using it without issue. Through the portal, I added the nginx ingreess controller. I logged into the DO portal today, and noticed that one of the two load balancers has been unhealthy since the approximate creation time.
I haven’t been able to figure out how to resolve this issue.
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The documentation found here: https://www.digitalocean.com/community/tutorials/how-to-set-up-an-nginx-ingress-with-cert-manager-on-digitalocean-kubernetes#step-5-—-rolling-out-production-issuer actually covers the issue in question, albeit slightly further down the article. The file that’s recommended to be applied has a service.spec.externalTrafficPolicy set to Local. This intentionally marks other nodes as unhealthy to optimize network traffic. This value can be changed to Cluster, but may generate unnecessary network hops.
If it’s the Nginx Ingress controller by Nginx (as in you followed these steps: https://docs.nginx.com/nginx-ingress-controller/installation/installation-with-helm/) then I had a similar issue. I fixed it by changing the installation type to a DaemonSet.
This can be done by setting
controller.kind=daemonsetin the Helm chart.