fix: make sure new generator instances start with a clean context

This is needed when classes might have been reloaded since the last generation round. If we were to hold onto already generated TypeDefs, we would get an outdated CRD. While this isn't a typical scenario, this situation occurs during Quarkus live reload. Fixes #3442
fabric8io · Sep 8, 2021 · 1e8067a · 1e8067a
1 parent 57e3cff
commit 1e8067a
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -3,6 +3,8 @@
 ### 5.8-SNAPSHOT
 
 #### Bugs
+* Fix #3442: make sure new CRDGenerator instances start with a clean generation context
+
 #### Improvements
 #### Dependency Upgrade
 #### New Features

diff --git a/crd-generator/api/src/main/java/io/fabric8/crd/generator/CRDGenerator.java b/crd-generator/api/src/main/java/io/fabric8/crd/generator/CRDGenerator.java
@@ -20,6 +20,7 @@
 import com.fasterxml.jackson.dataformat.yaml.YAMLFactory;
 import com.fasterxml.jackson.dataformat.yaml.YAMLGenerator;
 import com.fasterxml.jackson.dataformat.yaml.YAMLGenerator.Feature;
+import io.fabric8.crd.generator.utils.Types;
 import io.fabric8.crd.generator.v1.CustomResourceHandler;
 import io.fabric8.kubernetes.api.model.HasMetadata;
 import io.fabric8.kubernetes.client.CustomResource;
@@ -55,6 +56,7 @@ public class CRDGenerator {
 
   public CRDGenerator() {
     resources = new Resources();
+    Types.resetGenerationContext(); // make sure the new generator starts up with a clean slate
   }
 
   public CRDGenerator inOutputDir(File outputDir) {

diff --git a/crd-generator/api/src/main/java/io/fabric8/crd/generator/utils/Types.java b/crd-generator/api/src/main/java/io/fabric8/crd/generator/utils/Types.java
@@ -20,44 +20,35 @@
 import io.sundr.adapter.api.AdapterContext;
 import io.sundr.adapter.api.Adapters;
 import io.sundr.builder.TypedVisitor;
-import io.sundr.model.ClassRef;
-import io.sundr.model.ClassRefBuilder;
-import io.sundr.model.PrimitiveRef;
-import io.sundr.model.Property;
-import io.sundr.model.PropertyBuilder;
-import io.sundr.model.TypeDef;
-import io.sundr.model.TypeDefBuilder;
-import io.sundr.model.TypeParamDef;
-import io.sundr.model.TypeParamRef;
-import io.sundr.model.TypeRef;
-import io.sundr.model.VoidRef;
-import io.sundr.model.WildcardRef;
+import io.sundr.model.*;
 import io.sundr.model.functions.GetDefinition;
 import io.sundr.model.repo.DefinitionRepository;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Map;
-import java.util.Optional;
-import java.util.Set;
+import java.util.*;
 import java.util.function.Predicate;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 
 
 public class Types {
   private Types() {
     throw new IllegalStateException("Utility class");
   }
+
   private static final Logger LOGGER = LoggerFactory.getLogger(Types.class);
   private static final String NAMESPACED = Namespaced.class.getName();
   public static final String JAVA_LANG_VOID = "java.lang.Void";
   public static final AdapterContext REFLECTION_CONTEXT = AdapterContext.create(DefinitionRepository.getRepository());
 
+  /**
+   * Make sure the generation context is reset so that types can be properly introspected if classes have changed since the last generation round.
+   */
+  public static void resetGenerationContext() {
+    DefinitionRepository.getRepository().clear();
+  }
+
   public static TypeDef typeDefFrom(Class<?> clazz) {
     return unshallow(Adapters.adaptType(clazz, REFLECTION_CONTEXT));
   }
@@ -166,24 +157,24 @@ private static Set<ClassRef> projectSuperClasses(TypeDef definition) {
   private static List<Property> projectProperties(TypeDef typeDef) {
     final String fqn = typeDef.getFullyQualifiedName();
     return Stream.concat(
-      typeDef.getProperties().stream().filter(p -> {
-        // enums have self-referential static properties for each enum case so we cannot ignore them
-        if(typeDef.isEnum()) {
-          final TypeRef typeRef = p.getTypeRef();
-          if (typeRef instanceof ClassRef && fqn.equals(((ClassRef) typeRef).getFullyQualifiedName())) {
-            // we're dealing with an enum case so keep it
-            return true;
+        typeDef.getProperties().stream().filter(p -> {
+          // enums have self-referential static properties for each enum case so we cannot ignore them
+          if (typeDef.isEnum()) {
+            final TypeRef typeRef = p.getTypeRef();
+            if (typeRef instanceof ClassRef && fqn.equals(((ClassRef) typeRef).getFullyQualifiedName())) {
+              // we're dealing with an enum case so keep it
+              return true;
+            }
           }
-        }
-        // otherwise exclude all static properties
-        return !p.isStatic();
-      }),
-      typeDef.getExtendsList().stream()
-        .filter(e -> !e.getFullyQualifiedName().startsWith("java."))
-        .flatMap(e -> projectProperties(projectDefinition(e))
-          .stream()
-          .filter(p -> filterCustomResourceProperties(e).test(p)))
-    )
+          // otherwise exclude all static properties
+          return !p.isStatic();
+        }),
+        typeDef.getExtendsList().stream()
+          .filter(e -> !e.getFullyQualifiedName().startsWith("java."))
+          .flatMap(e -> projectProperties(projectDefinition(e))
+            .stream()
+            .filter(p -> filterCustomResourceProperties(e).test(p)))
+      )
 
       .collect(Collectors.toList());
   }