feat(cluster):导入集群操作

pkg/kubernetes/kubernetes.go

@@ -0,0 +1,70 @@
+package kubernetes
+
+import (
+	"context"
+	"errors"
+	v1Cluster "github.com/KubeOperator/ekko/internal/model/v1/cluster"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/version"
+	"k8s.io/client-go/kubernetes"
+	"k8s.io/client-go/rest"
+	"strings"
+)
+
+type Interface interface {
+	Ping() error
+	Version() (*version.Info, error)
+	Client() (*kubernetes.Clientset, error)
+}
+
+type Kubernetes struct {
+	*v1Cluster.Cluster
+}
+
+func NewKubernetes(cluster v1Cluster.Cluster) Interface {
+	return &Kubernetes{Cluster: &cluster}
+}
+
+func (k *Kubernetes) Client() (*kubernetes.Clientset, error) {
+	if k.Spec.Connect.Direction == "forward" {
+		kubeConf := &rest.Config{
+			Host: k.Spec.Connect.Forward.ApiServer,
+		}
+		if len(k.CaCertificate.CertData) > 0 {
+			kubeConf.CAData = k.CaCertificate.CertData
+		} else {
+			kubeConf.Insecure = true
+		}
+		switch k.Spec.Authentication.Mode {
+		case strings.ToLower("bearer"):
+			kubeConf.BearerToken = k.Spec.Authentication.BearerToken
+		case strings.ToLower("certificate"):
+			kubeConf.TLSClientConfig.CertData = k.Spec.Authentication.Certificate.CertData
+			kubeConf.TLSClientConfig.KeyData=k.Spec.Authentication.Certificate.KeyData
+		}
+		return kubernetes.NewForConfig(kubeConf)
+
+	}
+	return nil, errors.New("")
+}
+
+func (k *Kubernetes) Version() (*version.Info, error) {
+	client, err := k.Client()
+	if err != nil {
+		return nil, err
+	}
+	return client.ServerVersion()
+
+}
+
+func (k *Kubernetes) Ping() error {
+	client, err := k.Client()
+	if err != nil {
+		return err
+	}
+	_, err = client.CoreV1().Namespaces().List(context.TODO(), metav1.ListOptions{})
+	if err != nil {
+		return err
+	}
+	return nil
+}