Forcing pods to be assigned to different nodes unless no free nodes are available

[slooshoo]

How would I do that?

[Huub · Accepted solution]

You need to have a look at the documentation on PodAffinity and PodAntiAffinity.

Search for example on 'topologyKey: kubernetes.io/hostname'

- https://docs.openshift.com/container-platform/4.12/nodes/scheduling/nodes-scheduler-pod-affinity.htm...

- https://docs.openshift.com/container-platform/4.12/nodes/scheduling/nodes-scheduler-about.html