remove unused input param

pkg/kubelet/config/file.go

@@ -48,12 +48,12 @@ func NewSourceFile(path string, nodeName types.NodeName, period time.Duration, u
 	// "golang.org/x/exp/inotify" requires a path without trailing "/"
 	path = strings.TrimRight(path, string(os.PathSeparator))
 
-	config := newSourceFile(path, nodeName, period, updates)
+	config := newSourceFile(path, nodeName, updates)
 	glog.V(1).Infof("Watching path %q", path)
 	go wait.Forever(config.run, period)
 }
 
-func newSourceFile(path string, nodeName types.NodeName, period time.Duration, updates chan<- interface{}) *sourceFile {
+func newSourceFile(path string, nodeName types.NodeName, updates chan<- interface{}) *sourceFile {
 	send := func(objs []interface{}) {
 		var pods []*v1.Pod
 		for _, o := range objs {

pkg/kubelet/config/file_linux_test.go

@@ -46,7 +46,7 @@ import (
 
 func TestExtractFromNonExistentFile(t *testing.T) {
 	ch := make(chan interface{}, 1)
-	c := newSourceFile("/some/fake/file", "localhost", time.Millisecond, ch)
+	c := newSourceFile("/some/fake/file", "localhost", ch)
 	err := c.watch()
 	if err == nil {
 		t.Errorf("Expected error")
@@ -137,7 +137,7 @@ func TestExtractFromBadDataFile(t *testing.T) {
 	}
 
 	ch := make(chan interface{}, 1)
-	c := newSourceFile(fileName, "localhost", time.Millisecond, ch)
+	c := newSourceFile(fileName, "localhost", ch)
 	err = c.resetStoreFromPath()
 	if err == nil {
 		t.Fatalf("expected error, got nil")
@@ -153,7 +153,7 @@ func TestExtractFromEmptyDir(t *testing.T) {
 	defer os.RemoveAll(dirName)
 
 	ch := make(chan interface{}, 1)
-	c := newSourceFile(dirName, "localhost", time.Millisecond, ch)
+	c := newSourceFile(dirName, "localhost", ch)
 	err = c.resetStoreFromPath()
 	if err != nil {
 		t.Fatalf("unexpected error: %v", err)