add preflight for cert-manager

Author: nvanthao

applications/wg-easy/cert-manager/templates/secret-preflights.yaml

@@ -13,16 +13,16 @@ stringData:
       name: cert-manager-preflights
     spec:
       analyzers:
-        - distribution:
+        # https://github.com/cert-manager/cert-manager/blob/master/deploy/charts/cert-manager/README.template.md#prerequisites
+        - clusterVersion:
             outcomes:
-            - pass:
-                when: "== gke"
-                message: GKE is a supported platform
-            - pass:
-                when: "== k3s"
-                message: K3S is a supported platform
-            - fail:
-                when: "== kind"
-                message: This application does not support Kind
-            - warn:
-                message: The Kubernetes platform is not validated, but there are no known compatibility issues.
+              - fail:
+                  when: "< 1.22.0"
+                  message: The application requires at least Kubernetes 1.22.0, and recommends 1.25.0.
+                  uri: https://kubernetes.io
+              - warn:
+                  when: "< 1.25.0"
+                  message: Your cluster meets the minimum version of Kubernetes, but we recommend you update to 1.25.0 or later.
+                  uri: https://kubernetes.io
+              - pass:
+                  message: Your cluster meets the recommended and required versions of Kubernetes.