Signed-off-by: jeff <jeffzhang@yunify.com>

refactor component status

Signed-off-by: jeff <jeffzhang@yunify.com>

pkg/models/controllers/run.go

@@ -17,6 +17,8 @@ limitations under the License.
 package controllers
 
 import (
+	"errors"
+	"fmt"
 	"time"
 
 	"github.com/golang/glog"
@@ -143,3 +145,12 @@ func Run(stopChan chan struct{}, wg *sync.WaitGroup) {
 		}
 	}
 }
+
+func GetLister(controller string) (interface{}, error) {
+	if ctl, ok := ResourceControllers.Controllers[controller]; ok {
+		if ctl.Lister() != nil {
+			return ctl.Lister(), nil
+		}
+	}
+	return nil, errors.New(fmt.Sprintf("lister of %s not alive", controller))
+}