[crd-gen] More principled filtering of enum constants for CRD generation

CHANGELOG.md

@@ -7,6 +7,7 @@
 * Fix #5221: Empty kube config file causes NPE
 * Fix #5281: Ensure the KubernetesCrudDispatcher's backing map is accessed w/lock
 * Fix #5293: Ensured the mock server uses only generic or JsonNode parsing
+* Fix #4225: [crd-generator] Principled generation of enum values instead of considering more properties
 
 #### Improvements
 * Fix #5166: Remove opinionated messages from Config's `errorMessages` and deprecate it

crd-generator/api/src/main/java/io/fabric8/crd/generator/AbstractJsonSchema.java

@@ -45,6 +45,7 @@
 import java.util.LinkedHashSet;
 import java.util.List;
 import java.util.Map;
+import java.util.Objects;
 import java.util.Optional;
 import java.util.Set;
 
@@ -584,7 +585,7 @@ private String extractUpdatedNameFromJacksonPropertyIfPresent(Property property)
         .anyMatch(a -> a.getClassRef().getFullyQualifiedName().equals(ANNOTATION_JSON_IGNORE));
 
     if (ignored) {
-      return "$" + property.getName();
+      return null;
     } else {
       return property.getAnnotations().stream()
           // only consider JsonProperty annotation
@@ -691,10 +692,9 @@ private T internalFromImpl(String name, TypeRef typeRef, Set<String> visited, In
           // check if we're dealing with an enum
           if (def.isEnum()) {
             final JsonNode[] enumValues = def.getProperties().stream()
-                .filter(property -> property.isStatic() && property.isPublic()
-                    && def.getFullyQualifiedName().equals(property.getTypeRef().toString()))
+                .filter(Property::isEnumConstant)
                 .map(this::extractUpdatedNameFromJacksonPropertyIfPresent)
-                .filter(n -> !n.startsWith("$"))
+                .filter(Objects::nonNull)
                 .map(JsonNodeFactory.instance::textNode)
                 .toArray(JsonNode[]::new);
             return enumProperty(enumValues);

crd-generator/api/src/test/java/io/fabric8/crd/example/annotated/AnnotatedSpec.java

@@ -110,5 +110,21 @@ public enum AnnotatedEnum {
     public String getAbbreviation() {
       return abbreviation;
     }
+
+    public static AnnotatedEnum SIM = es;
+
+    public AnotherEnum one = AnotherEnum.ONE;
+
+    public AnotherEnum getOne() {
+      return one;
+    }
+
+    public void setOne(AnotherEnum one) {
+      this.one = one;
+    }
+  }
+
+  public enum AnotherEnum {
+    ONE
   }
 }