fix the fulluapplied status is wrong in some scenario

Signed-off-by: huone1 <huwanxing@huawei.com>

pkg/util/helper/workstatus.go

@@ -12,6 +12,7 @@ import (
 	"k8s.io/apimachinery/pkg/labels"
 	"k8s.io/apimachinery/pkg/runtime"
 	"k8s.io/apimachinery/pkg/runtime/schema"
+	"k8s.io/apimachinery/pkg/util/sets"
 	"k8s.io/client-go/util/retry"
 	"k8s.io/klog/v2"
 	"sigs.k8s.io/controller-runtime/pkg/client"
@@ -124,7 +125,7 @@ func AggregateClusterResourceBindingWorkStatus(c client.Client, binding *workv1a
 
 func generateFullyAppliedCondition(spec workv1alpha2.ResourceBindingSpec, aggregatedStatuses []workv1alpha2.AggregatedStatusItem) metav1.Condition {
 	clusterNames := GetBindingClusterNames(spec.Clusters, spec.RequiredBy)
-	if len(clusterNames) == len(aggregatedStatuses) && areWorksFullyApplied(aggregatedStatuses) {
+	if worksFullyApplied(aggregatedStatuses, clusterNames) {
 		return util.NewCondition(workv1alpha2.FullyApplied, FullyAppliedSuccessReason, FullyAppliedSuccessMessage, metav1.ConditionTrue)
 	}
 	return util.NewCondition(workv1alpha2.FullyApplied, FullyAppliedFailedReason, FullyAppliedFailedMessage, metav1.ConditionFalse)
@@ -232,13 +233,33 @@ func equalIdentifier(targetIdentifier *workv1alpha1.ResourceIdentifier, ordinal
 	return false, nil
 }
 
-// areWorksFullyApplied checks if all works are applied for a Binding
-func areWorksFullyApplied(aggregatedStatuses []workv1alpha2.AggregatedStatusItem) bool {
+// worksFullyApplied checks if all works are applied according the scheduled result and collected status.
+func worksFullyApplied(aggregatedStatuses []workv1alpha2.AggregatedStatusItem, targetClusters []string) bool {
+	// short path: not scheduled
+	if len(targetClusters) == 0 {
+		return false
+	}
+
+	// short path: lack of status
+	if len(targetClusters) != len(aggregatedStatuses) {
+		return false
+	}
+
+	targetClusterSet := sets.String{}
+	for i := range targetClusters {
+		targetClusterSet.Insert(targetClusters[i])
+	}
+
 	for _, aggregatedSatusItem := range aggregatedStatuses {
 		if !aggregatedSatusItem.Applied {
 			return false
 		}
+
+		if !targetClusterSet.Has(aggregatedSatusItem.ClusterName) {
+			return false
 		}
+	}
+
 	return true
 }
 

pkg/util/helper/workstatus_test.go

@@ -0,0 +1,108 @@
+package helper
+
+import (
+	"testing"
+
+	workv1alpha2 "github.com/karmada-io/karmada/pkg/apis/work/v1alpha2"
+)
+
+func TestWorksFullyApplied(t *testing.T) {
+	type args struct {
+		aggregatedStatuses []workv1alpha2.AggregatedStatusItem
+		targetClusters     []string
+	}
+	tests := []struct {
+		name string
+		args args
+		want bool
+	}{
+		{
+			name: "no cluster",
+			args: args{
+				aggregatedStatuses: []workv1alpha2.AggregatedStatusItem{
+					{
+						ClusterName: "member1",
+						Applied:     true,
+					},
+				},
+				targetClusters: nil,
+			},
+			want: false,
+		},
+		{
+			name: "no aggregatedStatuses",
+			args: args{
+				aggregatedStatuses: nil,
+				targetClusters:     []string{"member1"},
+			},
+			want: false,
+		},
+		{
+			name: "cluster size is not equal to aggregatedStatuses",
+			args: args{
+				aggregatedStatuses: []workv1alpha2.AggregatedStatusItem{
+					{
+						ClusterName: "member1",
+						Applied:     true,
+					},
+				},
+				targetClusters: []string{"member1", "member2"},
+			},
+			want: false,
+		},
+		{
+			name: "aggregatedStatuses is equal to clusterNames and all applied",
+			args: args{
+				aggregatedStatuses: []workv1alpha2.AggregatedStatusItem{
+					{
+						ClusterName: "member1",
+						Applied:     true,
+					},
+					{
+						ClusterName: "member2",
+						Applied:     true,
+					},
+				},
+				targetClusters: []string{"member1", "member2"},
+			},
+			want: true,
+		},
+		{
+			name: "aggregatedStatuses is equal to clusterNames but not all applied",
+			args: args{
+				aggregatedStatuses: []workv1alpha2.AggregatedStatusItem{
+					{
+						ClusterName: "member1",
+						Applied:     true,
+					},
+					{
+						ClusterName: "member2",
+						Applied:     false,
+					},
+				},
+				targetClusters: []string{"member1", "member2"},
+			},
+			want: false,
+		},
+		{
+			name: "target clusters not match expected status",
+			args: args{
+				aggregatedStatuses: []workv1alpha2.AggregatedStatusItem{
+					{
+						ClusterName: "member1",
+						Applied:     true,
+					},
+				},
+				targetClusters: []string{"member2"},
+			},
+			want: false,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := worksFullyApplied(tt.args.aggregatedStatuses, tt.args.targetClusters); got != tt.want {
+				t.Errorf("worksFullyApplied() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}