apiVersion: troubleshoot.sh/v1beta3
kind: Preflight
metadata:
  name: helm-builtins-example
  labels:
    release: {{ .Release.Name }}
spec:
  analyzers:
    - docString: |
        Title: Example using Helm builtin objects
        Requirement: Demonstrates .Values, .Release, .Chart, etc.

        Supported Helm builtin objects:
        - .Values.* - User-provided values
        - .Release.Name - Release name (default: "preflight")
        - .Release.Namespace - Release namespace (default: "default")
        - .Release.IsInstall - Whether this is an install (true)
        - .Release.IsUpgrade - Whether this is an upgrade (false)
        - .Release.Revision - Release revision (1)
        - .Chart.Name - Chart name
        - .Chart.Version - Chart version
        - .Capabilities.KubeVersion - Kubernetes version capabilities
      clusterVersion:
        checkName: Kubernetes version check in {{ .Release.Namespace }}
        outcomes:
          - fail:
              when: '< {{ .Values.minVersion | default "1.19.0" }}'
              message: |
                Release {{ .Release.Name }} requires Kubernetes {{ .Values.minVersion | default "1.19.0" }} or later.
                Chart: {{ .Chart.Name }}
          - pass:
              when: '>= {{ .Values.minVersion | default "1.19.0" }}'
              message: Kubernetes version is supported for release {{ .Release.Name }}