support users can define multiple resourceinterpretercustomization

Signed-off-by: changzhen <changzhen5@huawei.com>

pkg/resourceinterpreter/configurableinterpreter/configmanager/accessor.go

@@ -1,15 +1,12 @@
 package configmanager
 
 import (
-	"k8s.io/apimachinery/pkg/runtime/schema"
-
 	configv1alpha1 "github.com/karmada-io/karmada/pkg/apis/config/v1alpha1"
 )
 
 // CustomConfiguration provides base information about custom interpreter configuration
 type CustomConfiguration interface {
-	Name() string
-	TargetResource() schema.GroupVersionKind
+	Merge(rules configv1alpha1.CustomizationRules)
 }
 
 // LuaScriptAccessor provides a common interface to get custom interpreter lua script
@@ -38,22 +35,35 @@ type resourceCustomAccessor struct {
 	statusAggregation        *configv1alpha1.StatusAggregation
 	healthInterpretation     *configv1alpha1.HealthInterpretation
 	dependencyInterpretation *configv1alpha1.DependencyInterpretation
-	configurationName        string
-	configurationTargetGVK   schema.GroupVersionKind
 }
 
-// NewResourceCustomAccessorAccessor creates an accessor for resource interpreter customization
-func NewResourceCustomAccessorAccessor(customization *configv1alpha1.ResourceInterpreterCustomization) CustomAccessor {
-	return &resourceCustomAccessor{
-		retention:                customization.Spec.Customizations.Retention,
-		replicaResource:          customization.Spec.Customizations.ReplicaResource,
-		replicaRevision:          customization.Spec.Customizations.ReplicaRevision,
-		statusReflection:         customization.Spec.Customizations.StatusReflection,
-		statusAggregation:        customization.Spec.Customizations.StatusAggregation,
-		healthInterpretation:     customization.Spec.Customizations.HealthInterpretation,
-		dependencyInterpretation: customization.Spec.Customizations.DependencyInterpretation,
-		configurationName:        customization.Name,
-		configurationTargetGVK:   schema.FromAPIVersionAndKind(customization.Spec.Target.APIVersion, customization.Spec.Target.Kind),
+// NewResourceCustomAccessor creates an accessor for resource interpreter customization.
+func NewResourceCustomAccessor() CustomAccessor {
+	return &resourceCustomAccessor{}
+}
+
+// Merge merges the given CustomizationRules with the current rules, ignore if duplicates occur.
+func (a *resourceCustomAccessor) Merge(rules configv1alpha1.CustomizationRules) {
+	if rules.Retention != nil {
+		a.setRetain(rules.Retention)
+	}
+	if rules.ReplicaResource != nil {
+		a.setReplicaResource(rules.ReplicaResource)
+	}
+	if rules.ReplicaRevision != nil {
+		a.setReplicaRevision(rules.ReplicaRevision)
+	}
+	if rules.StatusReflection != nil {
+		a.setStatusReflection(rules.StatusReflection)
+	}
+	if rules.StatusAggregation != nil {
+		a.setStatusAggregation(rules.StatusAggregation)
+	}
+	if rules.HealthInterpretation != nil {
+		a.setHealthInterpretation(rules.HealthInterpretation)
+	}
+	if rules.DependencyInterpretation != nil {
+		a.setDependencyInterpretation(rules.DependencyInterpretation)
 	}
 }
 
@@ -106,10 +116,79 @@ func (a *resourceCustomAccessor) GetDependencyInterpretationLuaScript() string {
 	return a.dependencyInterpretation.LuaScript
 }
 
-func (a *resourceCustomAccessor) Name() string {
-	return a.configurationName
+func (a *resourceCustomAccessor) setRetain(retention *configv1alpha1.LocalValueRetention) {
+	if a.retention == nil {
+		a.retention = retention
+		return
+	}
+
+	if retention.LuaScript != "" && a.retention.LuaScript == "" {
+		a.retention.LuaScript = retention.LuaScript
+	}
 }
 
-func (a *resourceCustomAccessor) TargetResource() schema.GroupVersionKind {
-	return a.configurationTargetGVK
+func (a *resourceCustomAccessor) setReplicaResource(replicaResource *configv1alpha1.ReplicaResourceRequirement) {
+	if a.replicaResource == nil {
+		a.replicaResource = replicaResource
+		return
+	}
+
+	if replicaResource.LuaScript != "" && a.replicaResource.LuaScript == "" {
+		a.replicaResource.LuaScript = replicaResource.LuaScript
+	}
+}
+
+func (a *resourceCustomAccessor) setReplicaRevision(replicaRevision *configv1alpha1.ReplicaRevision) {
+	if a.replicaRevision == nil {
+		a.replicaRevision = replicaRevision
+		return
+	}
+
+	if replicaRevision.LuaScript != "" && a.replicaRevision.LuaScript == "" {
+		a.replicaRevision.LuaScript = replicaRevision.LuaScript
+	}
+}
+
+func (a *resourceCustomAccessor) setStatusReflection(statusReflection *configv1alpha1.StatusReflection) {
+	if a.statusReflection == nil {
+		a.statusReflection = statusReflection
+		return
+	}
+
+	if statusReflection.LuaScript != "" && a.statusReflection.LuaScript == "" {
+		a.statusReflection.LuaScript = statusReflection.LuaScript
+	}
+}
+
+func (a *resourceCustomAccessor) setStatusAggregation(statusAggregation *configv1alpha1.StatusAggregation) {
+	if a.statusAggregation == nil {
+		a.statusAggregation = statusAggregation
+		return
+	}
+
+	if statusAggregation.LuaScript != "" && a.statusAggregation.LuaScript == "" {
+		a.statusAggregation.LuaScript = statusAggregation.LuaScript
+	}
+}
+
+func (a *resourceCustomAccessor) setHealthInterpretation(healthInterpretation *configv1alpha1.HealthInterpretation) {
+	if a.healthInterpretation == nil {
+		a.healthInterpretation = healthInterpretation
+		return
+	}
+
+	if healthInterpretation.LuaScript != "" && a.healthInterpretation.LuaScript == "" {
+		a.healthInterpretation.LuaScript = healthInterpretation.LuaScript
+	}
+}
+
+func (a *resourceCustomAccessor) setDependencyInterpretation(dependencyInterpretation *configv1alpha1.DependencyInterpretation) {
+	if a.dependencyInterpretation == nil {
+		a.dependencyInterpretation = dependencyInterpretation
+		return
+	}
+
+	if dependencyInterpretation.LuaScript != "" && a.dependencyInterpretation.LuaScript == "" {
+		a.dependencyInterpretation.LuaScript = dependencyInterpretation.LuaScript
+	}
 }

pkg/resourceinterpreter/configurableinterpreter/configmanager/manager.go

@@ -2,6 +2,7 @@ package configmanager
 
 import (
 	"fmt"
+	"sort"
 	"sync/atomic"
 
 	"k8s.io/apimachinery/pkg/labels"
@@ -82,17 +83,34 @@ func (configManager *interpreterConfigManager) updateConfiguration() {
 		utilruntime.HandleError(fmt.Errorf("error updating configuration: %v", err))
 		return
 	}
-	configs := make(map[schema.GroupVersionKind]CustomAccessor, len(configurations))
 
-	for _, c := range configurations {
+	configs := make([]*configv1alpha1.ResourceInterpreterCustomization, len(configurations))
+	for index, c := range configurations {
 		config := &configv1alpha1.ResourceInterpreterCustomization{}
 		if err = helper.ConvertToTypedObject(c, config); err != nil {
 			klog.Errorf("Failed to transform ResourceInterpreterCustomization: %w", err)
 			return
 		}
-		key := schema.FromAPIVersionAndKind(config.Spec.Target.APIVersion, config.Spec.Target.Kind)
-		configs[key] = NewResourceCustomAccessorAccessor(config)
+		configs[index] = config
 	}
-	configManager.configuration.Store(configs)
+
+	sort.Slice(configs, func(i, j int) bool {
+		return configs[i].Name < configs[j].Name
+	})
+
+	accessors := make(map[schema.GroupVersionKind]CustomAccessor)
+	for _, config := range configs {
+		key := schema.FromAPIVersionAndKind(config.Spec.Target.APIVersion, config.Spec.Target.Kind)
+
+		var accessor CustomAccessor
+		var ok bool
+		if accessor, ok = accessors[key]; !ok {
+			accessor = NewResourceCustomAccessor()
+		}
+		accessor.Merge(config.Spec.Customizations)
+		accessors[key] = accessor
+	}
+
+	configManager.configuration.Store(accessors)
 	configManager.initialSynced.Store(true)
 }

pkg/resourceinterpreter/configurableinterpreter/configmanager/manager_test.go

@@ -0,0 +1,132 @@
+package configmanager
+
+import (
+	"reflect"
+	"testing"
+
+	appsv1 "k8s.io/api/apps/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+	"k8s.io/client-go/dynamic/fake"
+
+	configv1alpha1 "github.com/karmada-io/karmada/pkg/apis/config/v1alpha1"
+	"github.com/karmada-io/karmada/pkg/util/fedinformer/genericmanager"
+	"github.com/karmada-io/karmada/pkg/util/gclient"
+)
+
+func Test_interpreterConfigManager_LuaScriptAccessors(t *testing.T) {
+	customization01 := &configv1alpha1.ResourceInterpreterCustomization{
+		ObjectMeta: metav1.ObjectMeta{Name: "customization01"},
+		Spec: configv1alpha1.ResourceInterpreterCustomizationSpec{
+			Target: configv1alpha1.CustomizationTarget{
+				APIVersion: appsv1.SchemeGroupVersion.String(),
+				Kind:       "Deployment",
+			},
+			Customizations: configv1alpha1.CustomizationRules{
+				Retention:       &configv1alpha1.LocalValueRetention{LuaScript: "a=0"},
+				ReplicaResource: &configv1alpha1.ReplicaResourceRequirement{LuaScript: "b=0"},
+			},
+		},
+	}
+	customization02 := &configv1alpha1.ResourceInterpreterCustomization{
+		ObjectMeta: metav1.ObjectMeta{Name: "customization02"},
+		Spec: configv1alpha1.ResourceInterpreterCustomizationSpec{
+			Target: configv1alpha1.CustomizationTarget{
+				APIVersion: appsv1.SchemeGroupVersion.String(),
+				Kind:       "Deployment",
+			},
+			Customizations: configv1alpha1.CustomizationRules{
+				ReplicaRevision:  &configv1alpha1.ReplicaRevision{LuaScript: "c=0"},
+				StatusReflection: &configv1alpha1.StatusReflection{LuaScript: "d=0"},
+			},
+		},
+	}
+	customization03 := &configv1alpha1.ResourceInterpreterCustomization{
+		ObjectMeta: metav1.ObjectMeta{Name: "customization03"},
+		Spec: configv1alpha1.ResourceInterpreterCustomizationSpec{
+			Target: configv1alpha1.CustomizationTarget{
+				APIVersion: appsv1.SchemeGroupVersion.String(),
+				Kind:       "Deployment",
+			},
+			Customizations: configv1alpha1.CustomizationRules{
+				ReplicaResource: &configv1alpha1.ReplicaResourceRequirement{LuaScript: "b=1"},
+				ReplicaRevision: &configv1alpha1.ReplicaRevision{LuaScript: "c=1"},
+			},
+		},
+	}
+	deploymentGVK := schema.GroupVersionKind{Group: "apps", Version: "v1", Kind: "Deployment"}
+
+	type args struct {
+		customizations []runtime.Object
+	}
+	tests := []struct {
+		name string
+		args args
+		want map[schema.GroupVersionKind]CustomAccessor
+	}{
+		{
+			name: "single ResourceInterpreterCustomization",
+			args: args{[]runtime.Object{customization01}},
+			want: map[schema.GroupVersionKind]CustomAccessor{
+				deploymentGVK: &resourceCustomAccessor{
+					retention:       &configv1alpha1.LocalValueRetention{LuaScript: "a=0"},
+					replicaResource: &configv1alpha1.ReplicaResourceRequirement{LuaScript: "b=0"},
+				},
+			},
+		},
+		{
+			name: "multi ResourceInterpreterCustomization with no redundant operation",
+			args: args{[]runtime.Object{customization01, customization02}},
+			want: map[schema.GroupVersionKind]CustomAccessor{
+				deploymentGVK: &resourceCustomAccessor{
+					retention:        &configv1alpha1.LocalValueRetention{LuaScript: "a=0"},
+					replicaResource:  &configv1alpha1.ReplicaResourceRequirement{LuaScript: "b=0"},
+					replicaRevision:  &configv1alpha1.ReplicaRevision{LuaScript: "c=0"},
+					statusReflection: &configv1alpha1.StatusReflection{LuaScript: "d=0"},
+				},
+			},
+		},
+		{
+			name: "multi ResourceInterpreterCustomization with redundant operation ",
+			args: args{[]runtime.Object{customization03, customization02, customization01}},
+			want: map[schema.GroupVersionKind]CustomAccessor{
+				deploymentGVK: &resourceCustomAccessor{
+					retention:        &configv1alpha1.LocalValueRetention{LuaScript: "a=0"},
+					replicaResource:  &configv1alpha1.ReplicaResourceRequirement{LuaScript: "b=0"},
+					replicaRevision:  &configv1alpha1.ReplicaRevision{LuaScript: "c=0"},
+					statusReflection: &configv1alpha1.StatusReflection{LuaScript: "d=0"},
+				},
+			},
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			stopCh := make(chan struct{})
+			defer close(stopCh)
+
+			client := fake.NewSimpleDynamicClient(gclient.NewSchema(), tt.args.customizations...)
+			informer := genericmanager.NewSingleClusterInformerManager(client, 0, stopCh)
+			configManager := NewInterpreterConfigManager(informer)
+
+			informer.Start()
+			defer informer.Stop()
+
+			informer.WaitForCacheSync()
+
+			if !configManager.HasSynced() {
+				t.Errorf("informer has not been synced")
+			}
+			gotAccessors := configManager.LuaScriptAccessors()
+			for gvk, gotAccessor := range gotAccessors {
+				wantAccessor, ok := tt.want[gvk]
+				if !ok {
+					t.Errorf("Can not find the target gvk %v", gvk)
+				}
+				if !reflect.DeepEqual(gotAccessor, wantAccessor) {
+					t.Errorf("LuaScriptAccessors() = %v, want %v", gotAccessor, wantAccessor)
+				}
+			}
+		})
+	}
+}