nfd-master: cleanup updater-pool method args

We store the work queues in the updater pool struct so we don't need to
pass those as function arguments.

Author: marquiz

pkg/nfd-master/updater-pool.go

@@ -48,36 +48,36 @@ func newUpdaterPool(nfdMaster *nfdMaster) *updaterPool {
 	}
 }
 
-func (u *updaterPool) processNodeUpdateRequest(cli k8sclient.Interface, queue workqueue.RateLimitingInterface) bool {
-	n, quit := queue.Get()
+func (u *updaterPool) processNodeUpdateRequest(cli k8sclient.Interface) bool {
+	n, quit := u.queue.Get()
 	if quit {
 		return false
 	}
 	nodeName := n.(string)
 
-	defer queue.Done(nodeName)
+	defer u.queue.Done(nodeName)
 
 	nodeUpdateRequests.Inc()
 
 	// Check if node exists
 	if node, err := getNode(cli, nodeName); apierrors.IsNotFound(err) {
 		klog.InfoS("node not found, skip update", "nodeName", nodeName)
 	} else if err := u.nfdMaster.nfdAPIUpdateOneNode(cli, node); err != nil {
-		if n := queue.NumRequeues(nodeName); n < 15 {
+		if n := u.queue.NumRequeues(nodeName); n < 15 {
 			klog.InfoS("retrying node update", "nodeName", nodeName, "lastError", err, "numRetries", n)
 		} else {
 			klog.ErrorS(err, "node update failed, queuing for retry ", "nodeName", nodeName, "numRetries", n)
 			// Count only long-failing attempts
 			nodeUpdateFailures.Inc()
 		}
-		queue.AddRateLimited(nodeName)
+		u.queue.AddRateLimited(nodeName)
 		return true
 	}
-	queue.Forget(nodeName)
+	u.queue.Forget(nodeName)
 	return true
 }
 
-func (u *updaterPool) runNodeUpdater(queue workqueue.RateLimitingInterface) {
+func (u *updaterPool) runNodeUpdater() {
 	var cli k8sclient.Interface
 	if u.nfdMaster.kubeconfig != nil {
 		// For normal execution, initialize a separate api client for each updater
@@ -86,17 +86,17 @@ func (u *updaterPool) runNodeUpdater(queue workqueue.RateLimitingInterface) {
 		// For tests, re-use the api client from nfd-master
 		cli = u.nfdMaster.k8sClient
 	}
-	for u.processNodeUpdateRequest(cli, queue) {
+	for u.processNodeUpdateRequest(cli) {
 	}
 	u.wg.Done()
 }
 
-func (u *updaterPool) processNodeFeatureGroupUpdateRequest(cli nfdclientset.Interface, ngfQueue workqueue.RateLimitingInterface) bool {
-	nfgName, quit := ngfQueue.Get()
+func (u *updaterPool) processNodeFeatureGroupUpdateRequest(cli nfdclientset.Interface) bool {
+	nfgName, quit := u.nfgQueue.Get()
 	if quit {
 		return false
 	}
-	defer ngfQueue.Done(nfgName)
+	defer u.nfgQueue.Done(nfgName)
 
 	nodeFeatureGroupUpdateRequests.Inc()
 
@@ -106,22 +106,22 @@ func (u *updaterPool) processNodeFeatureGroupUpdateRequest(cli nfdclientset.Inte
 	if nfg, err = getNodeFeatureGroup(cli, u.nfdMaster.namespace, nfgName.(string)); apierrors.IsNotFound(err) {
 		klog.InfoS("NodeFeatureGroup not found, skip update", "NodeFeatureGroupName", nfgName)
 	} else if err := u.nfdMaster.nfdAPIUpdateNodeFeatureGroup(u.nfdMaster.nfdClient, nfg); err != nil {
-		if n := ngfQueue.NumRequeues(nfgName); n < 15 {
+		if n := u.nfgQueue.NumRequeues(nfgName); n < 15 {
 			klog.InfoS("retrying NodeFeatureGroup update", "nodeFeatureGroup", klog.KObj(nfg), "lastError", err)
 		} else {
 			klog.ErrorS(err, "failed to update NodeFeatureGroup, queueing for retry", "nodeFeatureGroup", klog.KObj(nfg), "lastError", err, "numRetries", n)
 		}
-		ngfQueue.AddRateLimited(nfgName)
+		u.nfgQueue.AddRateLimited(nfgName)
 		return true
 	}
 
-	ngfQueue.Forget(nfgName)
+	u.nfgQueue.Forget(nfgName)
 	return true
 }
 
-func (u *updaterPool) runNodeFeatureGroupUpdater(ngfQueue workqueue.RateLimitingInterface) {
+func (u *updaterPool) runNodeFeatureGroupUpdater() {
 	cli := nfdclientset.NewForConfigOrDie(u.nfdMaster.kubeconfig)
-	for u.processNodeFeatureGroupUpdateRequest(cli, ngfQueue) {
+	for u.processNodeFeatureGroupUpdateRequest(cli) {
 	}
 	u.nfgWg.Done()
 }
@@ -148,10 +148,10 @@ func (u *updaterPool) start(parallelism int) {
 
 	for i := 0; i < parallelism; i++ {
 		u.wg.Add(1)
-		go u.runNodeUpdater(u.queue)
+		go u.runNodeUpdater()
 		if features.NFDFeatureGate.Enabled(features.NodeFeatureGroupAPI) {
 			u.nfgWg.Add(1)
-			go u.runNodeFeatureGroupUpdater(u.nfgQueue)
+			go u.runNodeFeatureGroupUpdater()
 		}
 	}
 	u.started = true