chore: move the scheduler internal components out of internal dir

Author: sanposhiho

pkg/scheduler/internal/cache/cache.go renamed to pkg/scheduler/backend/cache/cache.go

@@ -20,13 +20,13 @@ import (
 	"sort"
 	"strings"
 
-	"k8s.io/api/core/v1"
+	v1 "k8s.io/api/core/v1"
 	"k8s.io/apimachinery/pkg/labels"
 	corelisters "k8s.io/client-go/listers/core/v1"
 	"k8s.io/klog/v2"
+	internalcache "k8s.io/kubernetes/pkg/scheduler/backend/cache"
+	internalqueue "k8s.io/kubernetes/pkg/scheduler/backend/queue"
 	"k8s.io/kubernetes/pkg/scheduler/framework"
-	internalcache "k8s.io/kubernetes/pkg/scheduler/internal/cache"
-	internalqueue "k8s.io/kubernetes/pkg/scheduler/internal/queue"
 )
 
 // CacheComparer is an implementation of the Scheduler's cache comparer.

pkg/scheduler/internal/cache/cache_test.go renamed to pkg/scheduler/backend/cache/cache_test.go

@@ -23,8 +23,8 @@ import (
 
 	corelisters "k8s.io/client-go/listers/core/v1"
 	"k8s.io/klog/v2"
-	internalcache "k8s.io/kubernetes/pkg/scheduler/internal/cache"
-	internalqueue "k8s.io/kubernetes/pkg/scheduler/internal/queue"
+	internalcache "k8s.io/kubernetes/pkg/scheduler/backend/cache"
+	internalqueue "k8s.io/kubernetes/pkg/scheduler/backend/queue"
 )
 
 // CacheDebugger provides ways to check and write cache information for debugging.

pkg/scheduler/internal/cache/debugger/comparer.go renamed to pkg/scheduler/backend/cache/debugger/comparer.go

@@ -22,10 +22,10 @@ import (
 
 	"k8s.io/klog/v2"
 
-	"k8s.io/api/core/v1"
+	v1 "k8s.io/api/core/v1"
+	internalcache "k8s.io/kubernetes/pkg/scheduler/backend/cache"
+	"k8s.io/kubernetes/pkg/scheduler/backend/queue"
 	"k8s.io/kubernetes/pkg/scheduler/framework"
-	internalcache "k8s.io/kubernetes/pkg/scheduler/internal/cache"
-	"k8s.io/kubernetes/pkg/scheduler/internal/queue"
 )
 
 // CacheDumper writes some information from the scheduler cache and the scheduling queue to the

pkg/scheduler/internal/cache/debugger/comparer_test.go renamed to pkg/scheduler/backend/cache/debugger/comparer_test.go

@@ -19,8 +19,8 @@ package fake
 import (
 	v1 "k8s.io/api/core/v1"
 	"k8s.io/klog/v2"
+	internalcache "k8s.io/kubernetes/pkg/scheduler/backend/cache"
 	"k8s.io/kubernetes/pkg/scheduler/framework"
-	internalcache "k8s.io/kubernetes/pkg/scheduler/internal/cache"
 )
 
 // Cache is used for testing