multi-arch-schedule-nodeaffinity.adoc

Using nodeAffinity to schedule nodes with specific architectures

You can allow a workload to be scheduled on only a set of nodes with architectures supported by its images, you can set the spec.affinity.nodeAffinity field in your pod’s template specification.

Example deployment with node affinity set

apiVersion: apps/v1
kind: Deployment
metadata: # ...
spec:
   # ...
  template:
     # ...
    spec:
      affinity:
        nodeAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
            nodeSelectorTerms:
            - matchExpressions:
              - key: kubernetes.io/arch
                operator: In
                values: (1)
                - amd64
                - arm64

1. Specify the supported architectures. Valid values include amd64,arm64, or both values.