apiVersion: troubleshoot.sh/v1beta2
kind: HostPreflight
metadata:
  name: diskUsage
spec:
  remoteCollectors:
    - diskUsage:
        collectorName: ephemeral
        path: /var/lib/kubelet
  analyzers:
    - diskUsage:
        collectorName: ephemeral
        outcomes:
          - fail:
              when: "total < 20Gi"
              message: /var/lib/kubelet has less than 20Gi of total space
          - fail:
              when: "available < 10Gi"
              message: /var/lib/kubelet has less than 10Gi of disk space available
          - fail:
              when: "used/total > 70%"
              message: /var/lib/kubelet is more than 70% full
          - warn:
              when: "total < 40Gi"
              message: /var/lib/kubelet has less than 40Gi of total space
          - warn:
              when: "used/total > 60%"
              message: /var/lib/kubelet is more than 60% full
          - pass:
              when: "available/total >= 90%"
              message: /var/lib/kubelet has more than 90% available
          - pass:
              message: /var/lib/kubelet has sufficient disk space available