get max weight for a cluster when construct weight list

Signed-off-by: Garrybest <garrybest@foxmail.com>

pkg/scheduler/core/assignment_test.go

@@ -194,6 +194,47 @@ func Test_assignByStaticWeightStrategy(t *testing.T) {
 			},
 			wantErr: false,
 		},
+		{
+			name: "cluster with multiple weights",
+			clusters: []*clusterv1alpha1.Cluster{
+				helper.NewCluster(ClusterMember1),
+				helper.NewCluster(ClusterMember2),
+			},
+			weightPreference: &policyv1alpha1.ClusterPreferences{
+				StaticWeightList: []policyv1alpha1.StaticClusterWeight{
+					{
+						TargetCluster: policyv1alpha1.ClusterAffinity{
+							ClusterNames: []string{ClusterMember1},
+						},
+						Weight: 1,
+					},
+					{
+						TargetCluster: policyv1alpha1.ClusterAffinity{
+							ClusterNames: []string{ClusterMember2},
+						},
+						Weight: 1,
+					},
+					{
+						TargetCluster: policyv1alpha1.ClusterAffinity{
+							ClusterNames: []string{ClusterMember1},
+						},
+						Weight: 2,
+					},
+				},
+			},
+			replicas: 3,
+			want: []workv1alpha2.TargetCluster{
+				{
+					Name:     ClusterMember1,
+					Replicas: 2,
+				},
+				{
+					Name:     ClusterMember2,
+					Replicas: 1,
+				},
+			},
+			wantErr: false,
+		},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {

pkg/scheduler/core/division_algorithm.go

@@ -75,7 +75,7 @@ func getStaticWeightInfoList(clusters []*clusterv1alpha1.Cluster, weightList []p
 		var weight int64
 		for _, staticWeightRule := range weightList {
 			if util.ClusterMatches(cluster, staticWeightRule.TargetCluster) {
-				weight += staticWeightRule.Weight
+				weight = util.MaxInt64(weight, staticWeightRule.Weight)
 			}
 		}
 		if weight > 0 {