ClusterAutoscalerCRD

cluster-autoscaler.yaml

apiVersion: clusterautoscaling.openshift.io/v1beta1
kind: ClusterAutoscaler
metadata:
  name: autoscale-gpu-workers
  namespace: openshift-cluster-api
spec:
  ## the machine set we want to target (used to build --nodes=argument)
  scaleTargetRef:
    apiVersion: <machineSet>
    kind: MachineSet
    name: gpu-workers
  ## lowest we will scale this machine set
  minReplicas: 1
  ## highest we will scale this machine set
  maxReplicas: 10
  ## how often we look
  scanInterval: 10s
  expander: least-waste
  ## configure scale down behavior
  scaleDown:
    enabled: true
    delayAfterAdd: 10m
    delayAfterDelete: 
  ## configure scale up behavior
  scaleUp:
    ## pods less than this old not considered for scale up
    podDelay: 10s
status:
  ## information on if the autoscaler itself is created and running