feat(scheduling): implement azure, cinder, ebs and gce as filter plugin

pkg/scheduler/algorithm/predicates/utils.go

@@ -17,15 +17,8 @@ limitations under the License.
 package predicates
 
 import (
-	"strings"
-
 	v1 "k8s.io/api/core/v1"
-	storagev1 "k8s.io/api/storage/v1"
 	"k8s.io/apimachinery/pkg/labels"
-	"k8s.io/apimachinery/pkg/util/sets"
-	utilfeature "k8s.io/apiserver/pkg/util/feature"
-	csilibplugins "k8s.io/csi-translation-lib/plugins"
-	"k8s.io/kubernetes/pkg/features"
 	schedulernodeinfo "k8s.io/kubernetes/pkg/scheduler/nodeinfo"
 )
 
@@ -94,56 +87,3 @@ func SetPredicatesOrderingDuringTest(value []string) func() {
 		predicatesOrdering = origVal
 	}
 }
-
-// isCSIMigrationOn returns a boolean value indicating whether
-// the CSI migration has been enabled for a particular storage plugin.
-func isCSIMigrationOn(csiNode *storagev1.CSINode, pluginName string) bool {
-	if csiNode == nil || len(pluginName) == 0 {
-		return false
-	}
-
-	// In-tree storage to CSI driver migration feature should be enabled,
-	// along with the plugin-specific one
-	if !utilfeature.DefaultFeatureGate.Enabled(features.CSIMigration) {
-		return false
-	}
-
-	switch pluginName {
-	case csilibplugins.AWSEBSInTreePluginName:
-		if !utilfeature.DefaultFeatureGate.Enabled(features.CSIMigrationAWS) {
-			return false
-		}
-	case csilibplugins.GCEPDInTreePluginName:
-		if !utilfeature.DefaultFeatureGate.Enabled(features.CSIMigrationGCE) {
-			return false
-		}
-	case csilibplugins.AzureDiskInTreePluginName:
-		if !utilfeature.DefaultFeatureGate.Enabled(features.CSIMigrationAzureDisk) {
-			return false
-		}
-	case csilibplugins.CinderInTreePluginName:
-		if !utilfeature.DefaultFeatureGate.Enabled(features.CSIMigrationOpenStack) {
-			return false
-		}
-	default:
-		return false
-	}
-
-	// The plugin name should be listed in the CSINode object annotation.
-	// This indicates that the plugin has been migrated to a CSI driver in the node.
-	csiNodeAnn := csiNode.GetAnnotations()
-	if csiNodeAnn == nil {
-		return false
-	}
-
-	var mpaSet sets.String
-	mpa := csiNodeAnn[v1.MigratedPluginsAnnotationKey]
-	if len(mpa) == 0 {
-		mpaSet = sets.NewString()
-	} else {
-		tok := strings.Split(mpa, ",")
-		mpaSet = sets.NewString(tok...)
-	}
-
-	return mpaSet.Has(pluginName)
-}