Reverting the default values for service account to empty

Signed-off-by: Prafulla Mahindrakar <[email protected]>

pkg/manager/impl/execution_manager.go

@@ -490,6 +490,12 @@ func mergeIntoExecConfig(workflowExecConfig admin.WorkflowExecutionConfig, spec
 		workflowExecConfig.Interruptible = spec.GetInterruptible()
 	}
 
+	// Explicitly set the security context if its nil since downstream we expect this settings to be available
+	if workflowExecConfig.GetSecurityContext() == nil {
+		workflowExecConfig.SecurityContext = &core.SecurityContext{
+			RunAs: &core.Identity{},
+		}
+	}
 	return workflowExecConfig
 }
 

pkg/runtime/application_config_provider.go

@@ -31,7 +31,7 @@ var flyteAdminConfig = config.MustRegisterSection(flyteAdmin, &interfaces.Applic
 	EventVersion:          2,
 	AsyncEventsBufferSize: 100,
 	MaxParallelism:        25,
-	K8SServiceAccount:     "default",
+	K8SServiceAccount:     "",
 })
 
 var schedulerConfig = config.MustRegisterSection(scheduler, &interfaces.SchedulerConfig{