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/models/composedapp/options.go

@@ -0,0 +1,38 @@
+/*
+ * Please refer to the LICENSE file in the root directory of the project.
+ * https://github.com/kubesphere/kubesphere/blob/master/LICENSE
+ */
+
+package composedapp
+
+import (
+	"github.com/spf13/pflag"
+	"k8s.io/apimachinery/pkg/labels"
+)
+
+type Options struct {
+	// KubeSphere is using sigs.k8s.io/application as fundamental object to implement Application Management.
+	// There are other projects also built on sigs.k8s.io/application, when KubeSphere installed along side
+	// them, conflicts happen. So we leave an option to only reconcile applications  matched with the given
+	// selector. Default will reconcile all applications.
+	//    For example
+	//      "kubesphere.io/creator=" means reconcile applications with this label key
+	//      "!kubesphere.io/creator" means exclude applications with this key
+	AppSelector string `json:"appSelector,omitempty" yaml:"appSelector,omitempty" mapstructure:"appSelector,omitempty"`
+}
+
+func NewOptions() *Options {
+	return &Options{}
+}
+
+func (o *Options) Validate() []error {
+	var err []error
+	if _, validateErr := labels.Parse(o.AppSelector); validateErr != nil {
+		err = append(err, validateErr)
+	}
+	return err
+}
+
+func (o *Options) AddFlags(fs *pflag.FlagSet, s *Options) {
+	fs.StringVar(&o.AppSelector, "app-selector", s.AppSelector, "Selector to filter k8s applications to reconcile")
+}