refactor: Remove service account check

Signed-off-by: Raphael Ludwig <raphael.ludwig@dynatrace.com>

pkg/eventhandler/eventhandlers.go

@@ -57,7 +57,6 @@ type K8s interface {
 		jobName string, maxPollDuration time.Duration, pollIntervalInSeconds time.Duration, namespace string,
 	) error
 	GetLogsOfPod(jobName string, namespace string) (string, error)
-	ExistsServiceAccount(saName string, namespace string) bool
 }
 
 // EventHandler contains all information needed to process an event
@@ -162,12 +161,6 @@ func (eh *EventHandler) startK8sJob(action *config.Action, jsonEventData interfa
 	// To execute all tasks atomically, we check all images before we start executing a single task of a job
 	// Additionally we want to check if the job configuration is sound (like validating the specified serviceAccounts)
 	for _, task := range action.Tasks {
-
-		namespace := eh.JobSettings.JobNamespace
-		if len(task.Namespace) > 0 {
-			namespace = task.Namespace
-		}
-
 		if !eh.ImageFilter.IsImageAllowed(task.Image) {
 			errorText := fmt.Sprintf("Forbidden: Image %s does not match configured image allowlist.\n", task.Image)
 
@@ -178,17 +171,6 @@ func (eh *EventHandler) startK8sJob(action *config.Action, jsonEventData interfa
 
 			return
 		}
-
-		if task.ServiceAccount != nil && !eh.K8s.ExistsServiceAccount(*task.ServiceAccount, namespace) {
-			errorText := fmt.Sprintf("Error: service account %s does not exist!\n", *task.ServiceAccount)
-
-			log.Printf(errorText)
-			if !action.Silent {
-				sendTaskFailedEvent(eh.Keptn, task.Name, eh.ServiceName, errors.New(errorText), "")
-			}
-
-			return
-		}
 	}
 
 	for index, task := range action.Tasks {

pkg/k8sutils/job.go

@@ -442,13 +442,3 @@ func (k8s *K8sImpl) generateEnvFromSecret(env config.Env, namespace string) ([]v
 
 	return generatedEnv, nil
 }
-
-// ExistsServiceAccount returns true of the given service account exists in the namespace
-func (k8s *K8sImpl) ExistsServiceAccount(saName string, namespace string) bool {
-	_, err := k8s.clientset.CoreV1().ServiceAccounts(namespace).Get(context.TODO(), saName, metav1.GetOptions{})
-	if err != nil {
-		return false
-	}
-
-	return true
-}