Fix up CRDs and add better openapiv3 schema validation

k8s/coffee-3.yaml

@@ -17,14 +17,16 @@ spec:
     storage: true
     schema:
       openAPIV3Schema:
+        type: object
+        required: [ spec ]
         properties:
           spec:
-            required:
-            - taste
+            type: object
             properties:
               taste:
                 description: Subjective taste of that kind of coffee bean
                 type: string
+            required: [ taste ]
     additionalPrinterColumns:
     - jsonPath: .spec.taste
       description: Subjective taste of that kind of coffee bean

k8s/coffees.yaml

@@ -9,9 +9,9 @@ spec:
 kind: Coffee
 apiVersion: container.training/v1alpha1
 metadata:
-  name: robusta
+  name: excelsa
 spec:
-  taste: stronger
+  taste: fruity
 ---
 kind: Coffee
 apiVersion: container.training/v1alpha1
@@ -23,7 +23,12 @@ spec:
 kind: Coffee
 apiVersion: container.training/v1alpha1
 metadata:
-  name: excelsa
+  name: robusta
 spec:
-  taste: fruity
-
+  taste: stronger
+  bitterness: high
+---
+kind: Coffee
+apiVersion: container.training/v1alpha1
+metadata:
+  name: java