From 370e62586277ce7922597e1a54bdaf48b7e303ed Mon Sep 17 00:00:00 2001
From: csviri <csviri@gmail.com>
Date: Tue, 22 Aug 2023 17:31:00 +0200
Subject: [PATCH 1/2] improve: add test for startup with no right and no stop
 config

---
 .../operator/InformerErrorHandlerStartIT.java | 45 +++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 operator-framework/src/test/java/io/javaoperatorsdk/operator/InformerErrorHandlerStartIT.java

diff --git a/operator-framework/src/test/java/io/javaoperatorsdk/operator/InformerErrorHandlerStartIT.java b/operator-framework/src/test/java/io/javaoperatorsdk/operator/InformerErrorHandlerStartIT.java
new file mode 100644
index 0000000000..12aa24c1c4
--- /dev/null
+++ b/operator-framework/src/test/java/io/javaoperatorsdk/operator/InformerErrorHandlerStartIT.java
@@ -0,0 +1,45 @@
+package io.javaoperatorsdk.operator;
+
+import java.time.Duration;
+
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.Timeout;
+
+import io.fabric8.kubernetes.api.model.ConfigMap;
+import io.fabric8.kubernetes.client.ConfigBuilder;
+import io.fabric8.kubernetes.client.KubernetesClient;
+import io.fabric8.kubernetes.client.KubernetesClientBuilder;
+import io.javaoperatorsdk.operator.api.reconciler.Context;
+import io.javaoperatorsdk.operator.api.reconciler.ControllerConfiguration;
+import io.javaoperatorsdk.operator.api.reconciler.Reconciler;
+import io.javaoperatorsdk.operator.api.reconciler.UpdateControl;
+
+class InformerErrorHandlerStartIT {
+
+  @Test
+  @Timeout(5)
+  void operatorStart() {
+    KubernetesClient client = new KubernetesClientBuilder()
+        .withConfig(new ConfigBuilder()
+            .withImpersonateUsername("user-with-no-rights")
+            .build())
+        .build();
+
+    Operator operator = new Operator(o -> o
+        .withKubernetesClient(client)
+        .withStopOnInformerErrorDuringStartup(false)
+        .withCacheSyncTimeout(Duration.ofSeconds(2)));
+    operator.register(new ConfigMapReconciler());
+    operator.start();
+  }
+
+  @ControllerConfiguration
+  public static class ConfigMapReconciler implements Reconciler<ConfigMap> {
+    @Override
+    public UpdateControl<ConfigMap> reconcile(ConfigMap resource, Context<ConfigMap> context)
+        throws Exception {
+      return UpdateControl.noUpdate();
+    }
+  }
+
+}

From 4dca68cac71eeb1ee8653e353cbf1012a778a4ec Mon Sep 17 00:00:00 2001
From: csviri <csviri@gmail.com>
Date: Wed, 23 Aug 2023 12:54:40 +0200
Subject: [PATCH 2/2] docs

---
 .../javaoperatorsdk/operator/InformerErrorHandlerStartIT.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/operator-framework/src/test/java/io/javaoperatorsdk/operator/InformerErrorHandlerStartIT.java b/operator-framework/src/test/java/io/javaoperatorsdk/operator/InformerErrorHandlerStartIT.java
index 12aa24c1c4..b1edf3e108 100644
--- a/operator-framework/src/test/java/io/javaoperatorsdk/operator/InformerErrorHandlerStartIT.java
+++ b/operator-framework/src/test/java/io/javaoperatorsdk/operator/InformerErrorHandlerStartIT.java
@@ -15,7 +15,9 @@
 import io.javaoperatorsdk.operator.api.reconciler.UpdateControl;
 
 class InformerErrorHandlerStartIT {
-
+  /**
+   * Test showcases that the operator starts even if there is no access right for some resource.
+   */
   @Test
   @Timeout(5)
   void operatorStart() {