A Kyverno policy to mutate any daemonset to avoid trying to deploy to Fargate instances.

daemonset-fargate-anti-affinity.yaml

apiVersion: kyverno.io/v1
kind: ClusterPolicy
metadata:
  name: add-daemonset-fargate-anti-affinity
spec:
  validationFailureAction: Enforce
  background: false
  rules:
  - name: add-node-anti-affinity
    match:
      resources:
        kinds:
        - DaemonSet
    mutate:
      patchStrategicMerge:
        spec:
          template:
            spec:
              affinity:
                nodeAffinity:
                  requiredDuringSchedulingIgnoredDuringExecution:
                    nodeSelectorTerms:
                    - matchExpressions:
                      - key: eks.amazonaws.com/compute-type
                        operator: NotIn
                        values:
                        - fargate