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I would like to ask you where should I look for some information on how to force deployments from some namespace to run on specific nodes in the k3s cluster.

I found this: How to assign a namespace to certain nodes?.

Which is the simmilar issue that I have or want.

But I didn't have luck of finding this PodNodeSelector plugin in my k3s cluster. Can you point me where should I look, because I tried documentation and didn't find what I was looking for.

Desired state:

  1. testing namespace - able to do
  2. nodes tagged test - able to do
  3. kube config to namespace - able to do
  4. allow deployments to run just on the tagged nodes - asking

Thanks for your suggestions and have a nice day.

Tomáš Klas
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  • Ok, solved by me... You have to enable admission plugins within the installation process. `shell: curl -sfL https://get.k3s.io | INSTALL_K3S_EXEC= --kube-apiserver-arg enable-admission-plugins=PodNodeSelector" sh -` . Then you are able to add one line to the namespace: `annotations: scheduler.alpha.kubernetes.io/node-selector: hellen=yes` – Tomáš Klas Oct 25 '21 at 11:50
  • you should put that as an actual answer instead of as a comment. i almost ignored the question considering as unanswered – hjpotter92 Nov 28 '22 at 13:40

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