bbc-kyverno-preemptible-to-spot

gistfile1.txt

apiVersion: kyverno.io/v1
kind: ClusterPolicy
metadata:
  name: add-tolerations
spec:
  rules:
  - name: volatile-toleration
    match:
      any:
      - resources:
          kinds:
          - Pod
    preconditions:
      any:
      - key: "cloud.google.com/gke-preemptible"
        operator: AnyIn
        value: "{{ request.object.spec.tolerations[].key || `[]` }}"
    mutate:
      patchStrategicMerge:
        spec:
          # Add the `affinity`if not already specified.
          +(affinity):
            +(nodeAffinity):
              +(requiredDuringSchedulingIgnoredDuringExecution):
                nodeSelectorTerms:
                - matchExpressions:
                  - key: cloud.blabla.io/k8s-volatile
                    operator: Exists
          tolerations:
          - effect: NoSchedule
            key: cloud.blabla.io/k8s-volatile
            operator: Equal
            value: "true"