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Merge pull request #95113 from Git-Jiro/lint_ttlcontroller

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Lint ttl_controller
This commit is contained in:
Kubernetes Prow Robot 2020-10-13 22:51:53 -07:00 committed by GitHub
commit 8647eece9c
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3 changed files with 19 additions and 17 deletions
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1
hack/.golint_failures
View File

@ -78,7 +78,6 @@ pkg/controller/resourcequota/config/v1alpha1
pkg/controller/serviceaccount/config/v1alpha1
pkg/controller/statefulset
pkg/controller/statefulset/config/v1alpha1
pkg/controller/ttl
pkg/controller/ttlafterfinished/config/v1alpha1
pkg/controller/volume/attachdetach
pkg/controller/volume/attachdetach/config/v1alpha1

29
pkg/controller/ttl/ttl_controller.go
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@ -52,7 +52,8 @@ import (
"k8s.io/klog/v2"
)
type TTLController struct {
// Controller sets ttl annotations on nodes, based on cluster size.
type Controller struct {
kubeClient clientset.Interface
// nodeStore is a local cache of nodes.
@ -76,8 +77,9 @@ type TTLController struct {
boundaryStep int
}
func NewTTLController(nodeInformer informers.NodeInformer, kubeClient clientset.Interface) *TTLController {
ttlc := &TTLController{
// NewTTLController creates a new TTLController
func NewTTLController(nodeInformer informers.NodeInformer, kubeClient clientset.Interface) *Controller {
ttlc := &Controller{
kubeClient: kubeClient,
queue: workqueue.NewNamedRateLimitingQueue(workqueue.DefaultControllerRateLimiter(), "ttlcontroller"),
}
@ -111,7 +113,8 @@ var (
}
)
func (ttlc *TTLController) Run(workers int, stopCh <-chan struct{}) {
// Run begins watching and syncing.
func (ttlc *Controller) Run(workers int, stopCh <-chan struct{}) {
defer utilruntime.HandleCrash()
defer ttlc.queue.ShutDown()
@ -129,7 +132,7 @@ func (ttlc *TTLController) Run(workers int, stopCh <-chan struct{}) {
<-stopCh
}
func (ttlc *TTLController) addNode(obj interface{}) {
func (ttlc *Controller) addNode(obj interface{}) {
node, ok := obj.(*v1.Node)
if !ok {
utilruntime.HandleError(fmt.Errorf("unexpected object type: %v", obj))
@ -148,7 +151,7 @@ func (ttlc *TTLController) addNode(obj interface{}) {
ttlc.enqueueNode(node)
}
func (ttlc *TTLController) updateNode(_, newObj interface{}) {
func (ttlc *Controller) updateNode(_, newObj interface{}) {
node, ok := newObj.(*v1.Node)
if !ok {
utilruntime.HandleError(fmt.Errorf("unexpected object type: %v", newObj))
@ -162,7 +165,7 @@ func (ttlc *TTLController) updateNode(_, newObj interface{}) {
ttlc.enqueueNode(node)
}
func (ttlc *TTLController) deleteNode(obj interface{}) {
func (ttlc *Controller) deleteNode(obj interface{}) {
_, ok := obj.(*v1.Node)
if !ok {
tombstone, ok := obj.(cache.DeletedFinalStateUnknown)
@ -189,7 +192,7 @@ func (ttlc *TTLController) deleteNode(obj interface{}) {
// We are not processing the node, as it no longer exists.
}
func (ttlc *TTLController) enqueueNode(node *v1.Node) {
func (ttlc *Controller) enqueueNode(node *v1.Node) {
key, err := controller.KeyFunc(node)
if err != nil {
klog.Errorf("Couldn't get key for object %+v", node)
@ -198,12 +201,12 @@ func (ttlc *TTLController) enqueueNode(node *v1.Node) {
ttlc.queue.Add(key)
}
func (ttlc *TTLController) worker() {
func (ttlc *Controller) worker() {
for ttlc.processItem() {
}
}
func (ttlc *TTLController) processItem() bool {
func (ttlc *Controller) processItem() bool {
key, quit := ttlc.queue.Get()
if quit {
return false
@ -221,7 +224,7 @@ func (ttlc *TTLController) processItem() bool {
return true
}
func (ttlc *TTLController) getDesiredTTLSeconds() int {
func (ttlc *Controller) getDesiredTTLSeconds() int {
ttlc.lock.RLock()
defer ttlc.lock.RUnlock()
return ttlc.desiredTTLSeconds
@ -251,7 +254,7 @@ func setIntAnnotation(node *v1.Node, annotationKey string, value int) {
node.Annotations[annotationKey] = strconv.Itoa(value)
}
func (ttlc *TTLController) patchNodeWithAnnotation(node *v1.Node, annotationKey string, value int) error {
func (ttlc *Controller) patchNodeWithAnnotation(node *v1.Node, annotationKey string, value int) error {
oldData, err := json.Marshal(node)
if err != nil {
return err
@ -274,7 +277,7 @@ func (ttlc *TTLController) patchNodeWithAnnotation(node *v1.Node, annotationKey
return nil
}
func (ttlc *TTLController) updateNodeIfNeeded(key string) error {
func (ttlc *Controller) updateNodeIfNeeded(key string) error {
node, err := ttlc.nodeStore.Get(key)
if err != nil {
if apierrors.IsNotFound(err) {

6
pkg/controller/ttl/ttl_controller_test.go
View File

@ -75,7 +75,7 @@ func TestPatchNode(t *testing.T) {
for i, testCase := range testCases {
fakeClient := &fake.Clientset{}
ttlController := &TTLController{
ttlController := &Controller{
kubeClient: fakeClient,
}
err := ttlController.patchNodeWithAnnotation(testCase.node, v1.ObjectTTLAnnotationKey, testCase.ttlSeconds)
@ -132,7 +132,7 @@ func TestUpdateNodeIfNeeded(t *testing.T) {
fakeClient := &fake.Clientset{}
nodeStore := cache.NewIndexer(cache.MetaNamespaceKeyFunc, cache.Indexers{})
nodeStore.Add(testCase.node)
ttlController := &TTLController{
ttlController := &Controller{
kubeClient: fakeClient,
nodeStore: listers.NewNodeLister(nodeStore),
desiredTTLSeconds: testCase.desiredTTL,
@ -213,7 +213,7 @@ func TestDesiredTTL(t *testing.T) {
}
for i, testCase := range testCases {
ttlController := &TTLController{
ttlController := &Controller{
queue: workqueue.NewRateLimitingQueue(workqueue.DefaultControllerRateLimiter()),
nodeCount: testCase.nodeCount,
desiredTTLSeconds: testCase.desiredTTL,