feat: kubesphere 4.0 (#6115)

* feat: kubesphere 4.0

Signed-off-by: ci-bot <ci-bot@kubesphere.io>

* feat: kubesphere 4.0

Signed-off-by: ci-bot <ci-bot@kubesphere.io>

---------

Signed-off-by: ci-bot <ci-bot@kubesphere.io>
Co-authored-by: ks-ci-bot <ks-ci-bot@example.com>
Co-authored-by: joyceliu <joyceliu@yunify.com>

pkg/controller/cluster/predicate/predicate.go

@@ -0,0 +1,46 @@
+/*
+ * Please refer to the LICENSE file in the root directory of the project.
+ * https://github.com/kubesphere/kubesphere/blob/master/LICENSE
+ */
+
+package predicate
+
+import (
+	clusterv1alpha1 "kubesphere.io/api/cluster/v1alpha1"
+	"sigs.k8s.io/controller-runtime/pkg/event"
+	"sigs.k8s.io/controller-runtime/pkg/predicate"
+
+	"kubesphere.io/kubesphere/pkg/controller/cluster/utils"
+)
+
+type ClusterStatusChangedPredicate struct {
+	predicate.Funcs
+}
+
+func (ClusterStatusChangedPredicate) Update(e event.UpdateEvent) bool {
+	oldCluster, ok := e.ObjectOld.(*clusterv1alpha1.Cluster)
+	if !ok {
+		return false
+	}
+	newCluster := e.ObjectNew.(*clusterv1alpha1.Cluster)
+	// cluster is ready
+	if !utils.IsClusterReady(oldCluster) && utils.IsClusterReady(newCluster) {
+		return true
+	}
+	if !utils.IsClusterSchedulable(oldCluster) && utils.IsClusterSchedulable(newCluster) {
+		return true
+	}
+	return false
+}
+
+func (ClusterStatusChangedPredicate) Create(_ event.CreateEvent) bool {
+	return false
+}
+
+func (ClusterStatusChangedPredicate) Delete(_ event.DeleteEvent) bool {
+	return false
+}
+
+func (ClusterStatusChangedPredicate) Generic(_ event.GenericEvent) bool {
+	return false
+}