feat: add ClusterCatalog and ClusterExtension analyzers (#1555)

Signed-off-by: Jian Zhang <jiazha@redhat.com>

pkg/kubernetes/kubernetes.go

@@ -14,6 +14,7 @@ limitations under the License.
 package kubernetes
 
 import (
+	"k8s.io/client-go/dynamic"
 	"k8s.io/client-go/kubernetes"
 	_ "k8s.io/client-go/plugin/pkg/client/auth/oidc"
 	"k8s.io/client-go/rest"
@@ -33,6 +34,10 @@ func (c *Client) GetCtrlClient() ctrl.Client {
 	return c.CtrlClient
 }
 
+func (c *Client) GetDynamicClient() dynamic.Interface {
+	return c.DynamicClient
+}
+
 func NewClient(kubecontext string, kubeconfig string) (*Client, error) {
 	var config *rest.Config
 	config, err := rest.InClusterConfig()
@@ -69,10 +74,16 @@ func NewClient(kubecontext string, kubeconfig string) (*Client, error) {
 		return nil, err
 	}
 
+	dynamicClient, err := dynamic.NewForConfig(config)
+	if err != nil {
+		return nil, err
+	}
+
 	return &Client{
 		Client:        clientSet,
 		CtrlClient:    ctrlClient,
 		Config:        config,
 		ServerVersion: serverVersion,
+		DynamicClient: dynamicClient,
 	}, nil
 }

pkg/kubernetes/types.go

@@ -4,6 +4,7 @@ import (
 	openapi_v2 "github.com/google/gnostic/openapiv2"
 	"k8s.io/apimachinery/pkg/runtime/schema"
 	"k8s.io/apimachinery/pkg/version"
+	"k8s.io/client-go/dynamic"
 	"k8s.io/client-go/kubernetes"
 	"k8s.io/client-go/rest"
 	ctrl "sigs.k8s.io/controller-runtime/pkg/client"
@@ -14,6 +15,7 @@ type Client struct {
 	CtrlClient    ctrl.Client
 	Config        *rest.Config
 	ServerVersion *version.Info
+	DynamicClient dynamic.Interface
 }
 
 type K8sApiReference struct {