feat: print diff resource as yaml (#2542)

Author: 10000-ki

operator-framework-core/src/main/java/io/javaoperatorsdk/operator/processing/dependent/kubernetes/SSABasedGenericKubernetesResourceMatcher.java

@@ -104,12 +104,21 @@ public boolean matches(R actual, R desired, Context<?> context) {
     removeIrrelevantValues(desiredMap);
 
     if (LoggingUtils.isNotSensitiveResource(desired)) {
-      log.debug("Pruned actual: \n {} \n desired: \n {} ", prunedActual, desiredMap);
+      logDiff(prunedActual, desiredMap, objectMapper);
     }
 
     return prunedActual.equals(desiredMap);
   }
 
+  private void logDiff(Map<String, Object> prunedActualMap, Map<String, Object> desiredMap,
+      KubernetesSerialization serialization) {
+    if (log.isDebugEnabled()) {
+      var actualYaml = serialization.asYaml(prunedActualMap);
+      var desiredYaml = serialization.asYaml(desiredMap);
+      log.debug("Pruned actual yaml: \n {} \n desired yaml: \n {} ", actualYaml, desiredYaml);
+    }
+  }
+
   /**
    * Correct for known issue with SSA
    */