Fix: require cluster name can not be repeated (#5795)

Signed-off-by: wenhaozhou <wenhaozhou@yunify.com>
Co-authored-by: Wenhao Zhou <34303854+zhou1203@users.noreply.github.com>

config/ks-core/crds/tenant.kubesphere.io_workspacetemplates.yaml

@@ -118,6 +118,9 @@ spec:
                       - name
                       type: object
                     type: array
+                    x-kubernetes-list-map-keys:
+                    - name
+                    x-kubernetes-list-type: map
                 type: object
               template:
                 properties:

staging/src/kubesphere.io/api/types/v1beta1/types.go

@@ -29,6 +29,8 @@ type GenericClusterReference struct {
 }
 
 type GenericPlacementFields struct {
+	// +listType=map
+	// +listMapKey=name
 	Clusters        []GenericClusterReference `json:"clusters,omitempty"`
 	ClusterSelector *metav1.LabelSelector     `json:"clusterSelector,omitempty"`
 }