Merge pull request #67464 from misterikkit/deadcode

Automatic merge from submit-queue (batch tested with PRs 67461, 67464, 67416). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

Delete dead code in pkg/scheduler

**What this PR does / why we need it**:
This is just some cleanup. I found some unused code while evaluating the scheduler code.

**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #

**Special notes for your reviewer**:

**Release note**:

```release-note
NONE
```
/kind cleanup
/sig scheduling

pkg/scheduler/scheduler.go

@@ -78,17 +78,16 @@ func (sched *Scheduler) StopEverything() {
 // construct a new scheduler. An implementation of this can be seen in
 // factory.go.
 type Configurator interface {
-	GetPriorityFunctionConfigs(priorityKeys sets.String) ([]algorithm.PriorityConfig, error)
-	GetPriorityMetadataProducer() (algorithm.PriorityMetadataProducer, error)
-	GetPredicateMetadataProducer() (algorithm.PredicateMetadataProducer, error)
-	GetPredicates(predicateKeys sets.String) (map[string]algorithm.FitPredicate, error)
+	// Exposed for testing
 	GetHardPodAffinitySymmetricWeight() int32
-	GetSchedulerName() string
+	// Exposed for testing
 	MakeDefaultErrorFunc(backoff *util.PodBackoff, podQueue core.SchedulingQueue) func(pod *v1.Pod, err error)
 
 	// Needs to be exposed for things like integration tests where we want to make fake nodes.
 	GetNodeLister() corelisters.NodeLister
+	// Exposed for testing
 	GetClient() clientset.Interface
+	// Exposed for testing
 	GetScheduledPodLister() corelisters.PodLister
 
 	Create() (*Config, error)

pkg/scheduler/testing/BUILD

@@ -11,7 +11,6 @@ go_library(
     srcs = [
         "fake_cache.go",
         "fake_lister.go",
-        "pods_to_cache.go",
         "util.go",
     ],
     importpath = "k8s.io/kubernetes/pkg/scheduler/testing",

pkg/scheduler/testing/pods_to_cache.go

@@ -1,65 +0,0 @@
-/*
-Copyright 2015 The Kubernetes Authors.
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-*/
-
-package testing
-
-import (
-	"k8s.io/api/core/v1"
-	"k8s.io/apimachinery/pkg/labels"
-	schedulercache "k8s.io/kubernetes/pkg/scheduler/cache"
-)
-
-// PodsToCache is used for testing
-type PodsToCache []*v1.Pod
-
-// AssumePod returns nil.
-func (p PodsToCache) AssumePod(pod *v1.Pod) error { return nil }
-
-// ForgetPod returns nil.
-func (p PodsToCache) ForgetPod(pod *v1.Pod) error { return nil }
-
-// AddPod returns nil.
-func (p PodsToCache) AddPod(pod *v1.Pod) error { return nil }
-
-// UpdatePod returns nil.
-func (p PodsToCache) UpdatePod(oldPod, newPod *v1.Pod) error { return nil }
-
-// RemovePod returns nil.
-func (p PodsToCache) RemovePod(pod *v1.Pod) error { return nil }
-
-// AddNode returns nil.
-func (p PodsToCache) AddNode(node *v1.Node) error { return nil }
-
-// UpdateNode returns nil.
-func (p PodsToCache) UpdateNode(oldNode, newNode *v1.Node) error { return nil }
-
-// RemoveNode returns nil.
-func (p PodsToCache) RemoveNode(node *v1.Node) error { return nil }
-
-// UpdateNodeNameToInfoMap returns nil.
-func (p PodsToCache) UpdateNodeNameToInfoMap(infoMap map[string]*schedulercache.NodeInfo) error {
-	return nil
-}
-
-// List returns pods matching the label selector.
-func (p PodsToCache) List(s labels.Selector) (selected []*v1.Pod, err error) {
-	for _, pod := range p {
-		if s.Matches(labels.Set(pod.Labels)) {
-			selected = append(selected, pod)
-		}
-	}
-	return selected, nil
-}

pkg/scheduler/testutil.go

@@ -17,8 +17,6 @@ limitations under the License.
 package scheduler
 
 import (
-	"fmt"
-
 	"k8s.io/api/core/v1"
 	"k8s.io/apimachinery/pkg/util/sets"
 	clientset "k8s.io/client-go/kubernetes"
@@ -34,36 +32,11 @@ type FakeConfigurator struct {
 	Config *Config
 }
 
-// GetPriorityFunctionConfigs is not implemented yet.
-func (fc *FakeConfigurator) GetPriorityFunctionConfigs(priorityKeys sets.String) ([]algorithm.PriorityConfig, error) {
-	return nil, fmt.Errorf("not implemented")
-}
-
-// GetPriorityMetadataProducer is not implemented yet.
-func (fc *FakeConfigurator) GetPriorityMetadataProducer() (algorithm.PriorityMetadataProducer, error) {
-	return nil, fmt.Errorf("not implemented")
-}
-
-// GetPredicateMetadataProducer is not implemented yet.
-func (fc *FakeConfigurator) GetPredicateMetadataProducer() (algorithm.PredicateMetadataProducer, error) {
-	return nil, fmt.Errorf("not implemented")
-}
-
-// GetPredicates is not implemented yet.
-func (fc *FakeConfigurator) GetPredicates(predicateKeys sets.String) (map[string]algorithm.FitPredicate, error) {
-	return nil, fmt.Errorf("not implemented")
-}
-
 // GetHardPodAffinitySymmetricWeight is not implemented yet.
 func (fc *FakeConfigurator) GetHardPodAffinitySymmetricWeight() int32 {
 	panic("not implemented")
 }
 
-// GetSchedulerName is not implemented yet.
-func (fc *FakeConfigurator) GetSchedulerName() string {
-	panic("not implemented")
-}
-
 // MakeDefaultErrorFunc is not implemented yet.
 func (fc *FakeConfigurator) MakeDefaultErrorFunc(backoff *util.PodBackoff, podQueue core.SchedulingQueue) func(pod *v1.Pod, err error) {
 	return nil