fix: debug logging

Author: timtalbot

internal/kubernetes_crudding.go

@@ -2,6 +2,7 @@ package internal
 
 import (
 	"context"
+	"encoding/json"
 	"os"
 	"reflect"
 	"strings"
@@ -287,6 +288,12 @@ func CreateOrUpdateResource(
 		"namespace", namespace,
 	)
 
+	// Capture pre-mutation state for diff logging
+	var snapshotJSON []byte
+	if obj.GetResourceVersion() != "" {
+		snapshotJSON, _ = json.Marshal(obj)
+	}
+
 	result, err := controllerutil.CreateOrUpdate(ctx, c, obj, func() error {
 		// For existing objects, validate managed-by label before allowing mutations
 		if obj.GetResourceVersion() != "" {
@@ -326,6 +333,15 @@ func CreateOrUpdateResource(
 		l.Info("created object")
 	case controllerutil.OperationResultUpdated:
 		l.Info("updated object")
+		// Temporary: log before/after JSON to diagnose spurious updates
+		if snapshotJSON != nil {
+			afterJSON, _ := json.Marshal(obj)
+			if string(snapshotJSON) != string(afterJSON) {
+				l.Info("DEBUG-DIFF", "before", string(snapshotJSON), "after", string(afterJSON))
+			} else {
+				l.Info("DEBUG-DIFF: JSON identical but DeepEqual said different")
+			}
+		}
 	case controllerutil.OperationResultNone:
 		l.V(1).Info("object unchanged")
 	}