Shutdown on leader election loss

internal/pkg/controller/controller.go

@@ -30,7 +30,6 @@ type Controller struct {
 	namespace         string
 	ignoredNamespaces util.List
 	collectors        metrics.Collectors
-	isLeader          bool
 }
 
 // controllerInitialized flag determines whether controlled is being initialized
@@ -58,7 +57,7 @@ func NewController(
 	c.informer = informer
 	c.queue = queue
 	c.collectors = collectors
-	c.isLeader = true
+	logrus.Infof("created controller for: %s", resource)
 	return &c, nil
 }
 
@@ -143,7 +142,7 @@ func (c *Controller) processNextItem() bool {
 	defer c.queue.Done(resourceHandler)
 
 	// Invoke the method containing the business logic
-	err := resourceHandler.(handler.ResourceHandler).Handle(c.isLeader)
+	err := resourceHandler.(handler.ResourceHandler).Handle()
 	// Handle the error if something went wrong during the execution of the business logic
 	c.handleErr(err, resourceHandler)
 	return true
@@ -174,8 +173,3 @@ func (c *Controller) handleErr(err error, key interface{}) {
 	runtime.HandleError(err)
 	logrus.Infof("Dropping the key %q out of the queue: %v", key, err)
 }
-
-func (c *Controller) SetLeader(isLeader bool) {
-	c.isLeader = isLeader
-	logrus.Info("controller active")
-}