Merge pull request #51585 from sakeven/regroup-packages

Automatic merge from submit-queue (batch tested with PRs 51439, 51361, 51140, 51539, 51585)

[Scheduler] regroup imports

Signed-off-by: sakeven <jc5930@sina.cn>



**What this PR does / why we need it**:

>Imports are organized in groups, with blank lines between them. The standard library packages are always in the first group.

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

**Special notes for your reviewer**:

**Release note**:

```
NONE
```

plugin/pkg/scheduler/algorithm/predicates/metadata.go

@@ -18,13 +18,15 @@ package predicates
 
 import (
 	"fmt"
-	"github.com/golang/glog"
+	"sync"
+
 	"k8s.io/api/core/v1"
 	"k8s.io/apimachinery/pkg/labels"
 	"k8s.io/kubernetes/plugin/pkg/scheduler/algorithm"
 	"k8s.io/kubernetes/plugin/pkg/scheduler/schedulercache"
 	schedutil "k8s.io/kubernetes/plugin/pkg/scheduler/util"
-	"sync"
+
+	"github.com/golang/glog"
 )
 
 type PredicateMetadataFactory struct {

plugin/pkg/scheduler/algorithm/predicates/predicates.go

@@ -23,7 +23,6 @@ import (
 	"sync"
 	"time"
 
-	"github.com/golang/glog"
 	"k8s.io/api/core/v1"
 	apierrors "k8s.io/apimachinery/pkg/api/errors"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
@@ -42,6 +41,8 @@ import (
 	"k8s.io/kubernetes/plugin/pkg/scheduler/schedulercache"
 	schedutil "k8s.io/kubernetes/plugin/pkg/scheduler/util"
 	"k8s.io/metrics/pkg/client/clientset_generated/clientset"
+
+	"github.com/golang/glog"
 )
 
 // NodeInfo: Other types for predicate functions...

plugin/pkg/scheduler/algorithm/priorities/interpod_affinity.go

@@ -20,7 +20,6 @@ import (
 	"strings"
 	"sync"
 
-	"github.com/golang/glog"
 	"k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/client-go/util/workqueue"
@@ -30,6 +29,8 @@ import (
 	priorityutil "k8s.io/kubernetes/plugin/pkg/scheduler/algorithm/priorities/util"
 	schedulerapi "k8s.io/kubernetes/plugin/pkg/scheduler/api"
 	"k8s.io/kubernetes/plugin/pkg/scheduler/schedulercache"
+
+	"github.com/golang/glog"
 )
 
 type InterPodAffinity struct {

plugin/pkg/scheduler/algorithm/priorities/node_affinity.go

@@ -19,12 +19,13 @@ package priorities
 import (
 	"fmt"
 
-	"github.com/golang/glog"
 	"k8s.io/api/core/v1"
 	"k8s.io/apimachinery/pkg/labels"
 	v1helper "k8s.io/kubernetes/pkg/api/v1/helper"
 	schedulerapi "k8s.io/kubernetes/plugin/pkg/scheduler/api"
 	"k8s.io/kubernetes/plugin/pkg/scheduler/schedulercache"
+
+	"github.com/golang/glog"
 )
 
 // CalculateNodeAffinityPriority prioritizes nodes according to node affinity scheduling preferences

plugin/pkg/scheduler/algorithm/priorities/selector_spreading.go

@@ -19,7 +19,6 @@ package priorities
 import (
 	"sync"
 
-	"github.com/golang/glog"
 	"k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/labels"
@@ -28,6 +27,8 @@ import (
 	"k8s.io/kubernetes/plugin/pkg/scheduler/algorithm"
 	schedulerapi "k8s.io/kubernetes/plugin/pkg/scheduler/api"
 	"k8s.io/kubernetes/plugin/pkg/scheduler/schedulercache"
+
+	"github.com/golang/glog"
 )
 
 // When zone information is present, give 2/3 of the weighting to zone spreading, 1/3 to node spreading

plugin/pkg/scheduler/algorithm/priorities/taint_toleration.go

@@ -19,11 +19,12 @@ package priorities
 import (
 	"fmt"
 
-	"github.com/golang/glog"
 	"k8s.io/api/core/v1"
 	v1helper "k8s.io/kubernetes/pkg/api/v1/helper"
 	schedulerapi "k8s.io/kubernetes/plugin/pkg/scheduler/api"
 	"k8s.io/kubernetes/plugin/pkg/scheduler/schedulercache"
+
+	"github.com/golang/glog"
 )
 
 // CountIntolerableTaintsPreferNoSchedule gives the count of intolerable taints of a pod with effect PreferNoSchedule

plugin/pkg/scheduler/algorithmprovider/defaults/compatibility_test.go

@@ -18,11 +18,10 @@ package defaults
 
 import (
 	"fmt"
+	"net/http/httptest"
 	"reflect"
 	"testing"
 
-	"net/http/httptest"
-
 	"k8s.io/api/core/v1"
 	"k8s.io/apimachinery/pkg/runtime"
 	"k8s.io/apimachinery/pkg/util/sets"

plugin/pkg/scheduler/core/generic_scheduler.go

@@ -24,7 +24,6 @@ import (
 	"sync/atomic"
 	"time"
 
-	"github.com/golang/glog"
 	"k8s.io/api/core/v1"
 	"k8s.io/apimachinery/pkg/util/errors"
 	utiltrace "k8s.io/apiserver/pkg/util/trace"
@@ -33,6 +32,8 @@ import (
 	"k8s.io/kubernetes/plugin/pkg/scheduler/algorithm/predicates"
 	schedulerapi "k8s.io/kubernetes/plugin/pkg/scheduler/api"
 	"k8s.io/kubernetes/plugin/pkg/scheduler/schedulercache"
+
+	"github.com/golang/glog"
 )
 
 type FailedPredicateMap map[string][]algorithm.PredicateFailureReason

plugin/pkg/scheduler/factory/factory.go

@@ -23,7 +23,6 @@ import (
 	"reflect"
 	"time"
 
-	"github.com/golang/glog"
 	"k8s.io/api/core/v1"
 	"k8s.io/apimachinery/pkg/api/errors"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
@@ -52,6 +51,8 @@ import (
 	"k8s.io/kubernetes/plugin/pkg/scheduler/core"
 	"k8s.io/kubernetes/plugin/pkg/scheduler/schedulercache"
 	"k8s.io/kubernetes/plugin/pkg/scheduler/util"
+
+	"github.com/golang/glog"
 )
 
 const (

plugin/pkg/scheduler/factory/plugins.go

@@ -23,12 +23,13 @@ import (
 	"strings"
 	"sync"
 
-	"github.com/golang/glog"
 	"k8s.io/apimachinery/pkg/util/sets"
 	"k8s.io/kubernetes/plugin/pkg/scheduler/algorithm"
 	"k8s.io/kubernetes/plugin/pkg/scheduler/algorithm/predicates"
 	"k8s.io/kubernetes/plugin/pkg/scheduler/algorithm/priorities"
 	schedulerapi "k8s.io/kubernetes/plugin/pkg/scheduler/api"
+
+	"github.com/golang/glog"
 )
 
 // PluginFactoryArgs are passed to all plugin factory functions.

plugin/pkg/scheduler/factory/plugins_test.go

@@ -17,9 +17,10 @@ limitations under the License.
 package factory
 
 import (
+	"testing"
+
 	"k8s.io/kubernetes/plugin/pkg/scheduler/algorithm"
 	"k8s.io/kubernetes/plugin/pkg/scheduler/api"
-	"testing"
 )
 
 func TestAlgorithmNameValidation(t *testing.T) {

plugin/pkg/scheduler/schedulercache/cache.go

@@ -21,10 +21,11 @@ import (
 	"sync"
 	"time"
 
-	"github.com/golang/glog"
 	"k8s.io/api/core/v1"
 	"k8s.io/apimachinery/pkg/labels"
 	"k8s.io/apimachinery/pkg/util/wait"
+
+	"github.com/golang/glog"
 )
 
 var (

plugin/pkg/scheduler/util/backoff_utils.go

@@ -22,8 +22,9 @@ import (
 	"sync/atomic"
 	"time"
 
-	"github.com/golang/glog"
 	ktypes "k8s.io/apimachinery/pkg/types"
+
+	"github.com/golang/glog"
 )
 
 type clock interface {

plugin/pkg/scheduler/util/backoff_utils_test.go

@@ -17,9 +17,10 @@ limitations under the License.
 package util
 
 import (
-	ktypes "k8s.io/apimachinery/pkg/types"
 	"testing"
 	"time"
+
+	ktypes "k8s.io/apimachinery/pkg/types"
 )
 
 type fakeClock struct {