Added createdAt field to be set when created in workflow_manager

manager/workflow_manager.go

@@ -45,6 +45,7 @@ func (r *ResourceManager) CreateWorkflow(namespace string, workflow *model.Workf
 	}
 
 	workflow.Name = createdWorkflows[0].Name
+	workflow.CreatedAt = createdWorkflows[0].CreationTimestamp.UTC()
 	workflow.UID = string(createdWorkflows[0].ObjectMeta.UID)
 	workflow.WorkflowTemplate = workflowTemplate
 	// Manifests could get big, don't return them in this case.
@@ -80,6 +81,7 @@ func (r *ResourceManager) GetWorkflow(namespace, name string) (workflow *model.W
 	}
 	workflow = &model.Workflow{
 		UID:              string(wf.UID),
+		CreatedAt:        workflowTemplate.CreatedAt,
 		Name:             wf.Name,
 		Status:           string(status),
 		WorkflowTemplate: workflowTemplate,

server/workflow_server.go

@@ -30,6 +30,7 @@ func apiWorkflow(wf *model.Workflow) (workflow *api.Workflow) {
 	if wf.WorkflowTemplate != nil {
 		workflow.WorkflowTemplate = &api.WorkflowTemplate{
 			Uid:       wf.WorkflowTemplate.UID,
+			CreatedAt: wf.WorkflowTemplate.CreatedAt.UTC().Format(time.RFC3339),
 			Name:      wf.WorkflowTemplate.Name,
 			Version:   wf.WorkflowTemplate.Version,
 			Manifest:  wf.WorkflowTemplate.Manifest,