backport create sa only if it does not exist to release/4.1

Author: xiancao

integration-tests/src/test/java/oracle/weblogic/kubernetes/ItUsabilityOperatorHelmChart.java

@@ -1,4 +1,4 @@
-// Copyright (c) 2020, 2023, Oracle and/or its affiliates.
+// Copyright (c) 2020, 2024, Oracle and/or its affiliates.
 // Licensed under the Universal Permissive License v 1.0 as shown at https://oss.oracle.com/licenses/upl.
 
 package oracle.weblogic.kubernetes;
@@ -313,6 +313,7 @@ void testDeleteOperatorButNotDomain() {
           + "after the operator was deleted");
       assertTrue(checkManagedServerConfiguration(domain1Namespace, domain1Uid));
     } finally {
+      cleanUpSA(opNamespace);
       if (!isDomain1Running) {
         cleanUpDomainSecrets(domain1Namespace);
       }

integration-tests/src/test/java/oracle/weblogic/kubernetes/actions/impl/ServiceAccount.java

@@ -1,10 +1,11 @@
-// Copyright (c) 2020, 2021, Oracle and/or its affiliates.
+// Copyright (c) 2020, 2024, Oracle and/or its affiliates.
 // Licensed under the Universal Permissive License v 1.0 as shown at https://oss.oracle.com/licenses/upl.
 
 package oracle.weblogic.kubernetes.actions.impl;
 
 import io.kubernetes.client.openapi.ApiException;
 import io.kubernetes.client.openapi.models.V1ServiceAccount;
+import io.kubernetes.client.openapi.models.V1ServiceAccountList;
 import oracle.weblogic.kubernetes.actions.impl.primitive.Kubernetes;
 
 public class ServiceAccount {
@@ -31,4 +32,22 @@ public static boolean create(V1ServiceAccount serviceAccount) throws ApiExceptio
   public static boolean delete(String name, String namespace) {
     return Kubernetes.deleteServiceAccount(name, namespace);
   }
+
+  /**
+   * Verify whether the service account exists in the namespace.
+   * @param name name of the service account
+   * @param namespace namespace where the service account exits
+   * @return true if the service account exists, false otherwise
+   */
+  public static boolean serviceAccountExists(String name, String namespace) {
+    V1ServiceAccountList sas = Kubernetes.listServiceAccounts(namespace);
+    if (sas != null) {
+      for (V1ServiceAccount sa : sas.getItems()) {
+        if (sa.getMetadata().getName().equals(name)) {
+          return true;
+        }
+      }
+    }
+    return false;
+  }
 }

integration-tests/src/test/java/oracle/weblogic/kubernetes/utils/OperatorUtils.java

@@ -1,4 +1,4 @@
-// Copyright (c) 2021, 2023, Oracle and/or its affiliates.
+// Copyright (c) 2021, 2024, Oracle and/or its affiliates.
 // Licensed under the Universal Permissive License v 1.0 as shown at https://oss.oracle.com/licenses/upl.
 
 package oracle.weblogic.kubernetes.utils;
@@ -10,6 +10,7 @@
 import io.kubernetes.client.openapi.models.V1ObjectMeta;
 import io.kubernetes.client.openapi.models.V1ServiceAccount;
 import oracle.weblogic.kubernetes.actions.impl.OperatorParams;
+import oracle.weblogic.kubernetes.actions.impl.ServiceAccount;
 import oracle.weblogic.kubernetes.actions.impl.primitive.HelmParams;
 import oracle.weblogic.kubernetes.logging.LoggingFacade;
 
@@ -433,12 +434,14 @@ public static OperatorParams installAndVerifyOperator(String opNamespace,
     LoggingFacade logger = getLogger();
 
     // Create a service account for the unique opNamespace
-    logger.info("Creating service account");
-    assertDoesNotThrow(() -> createServiceAccount(new V1ServiceAccount()
-        .metadata(new V1ObjectMeta()
-            .namespace(opNamespace)
-            .name(opServiceAccount))));
-    logger.info("Created service account: {0}", opServiceAccount);
+    if (!ServiceAccount.serviceAccountExists(opServiceAccount, opNamespace)) {
+      logger.info("Creating service account");
+      assertDoesNotThrow(() -> createServiceAccount(new V1ServiceAccount()
+          .metadata(new V1ObjectMeta()
+              .namespace(opNamespace)
+              .name(opServiceAccount))));
+      logger.info("Created service account: {0}", opServiceAccount);
+    }
 
     operatorImage = getOperatorImageName();
 
@@ -636,13 +639,14 @@ public static OperatorParams installAndVerifyOperator(String opNamespace,
     LoggingFacade logger = getLogger();
 
     // Create a service account for the unique opNamespace
-    logger.info("Creating service account");
-    assertDoesNotThrow(() -> createServiceAccount(new V1ServiceAccount()
-        .metadata(new V1ObjectMeta()
-            .namespace(opNamespace)
-            .name(opServiceAccount))));
-    logger.info("Created service account: {0}", opServiceAccount);
-
+    if (!ServiceAccount.serviceAccountExists(opServiceAccount, opNamespace)) {
+      logger.info("Creating service account");
+      assertDoesNotThrow(() -> createServiceAccount(new V1ServiceAccount()
+          .metadata(new V1ObjectMeta()
+              .namespace(opNamespace)
+              .name(opServiceAccount))));
+      logger.info("Created service account: {0}", opServiceAccount);
+    }
 
     // get operator image name
     String operatorImage = getOperatorImageName();