feat: registry.

registry/kubernetes/client_creator.go

@@ -0,0 +1,43 @@
+package kubernetes
+
+import (
+	"path/filepath"
+
+	"github.com/go-kratos/kratos/v2/log"
+
+	k8s "k8s.io/client-go/kubernetes"
+	k8sRest "k8s.io/client-go/rest"
+	k8sTools "k8s.io/client-go/tools/clientcmd"
+	k8sUtil "k8s.io/client-go/util/homedir"
+
+	conf "github.com/tx7do/kratos-bootstrap/api/gen/go/conf/v1"
+)
+
+// NewRegistry 创建一个注册发现客户端 - Kubernetes
+func NewRegistry(cfg *conf.Registry) *Registry {
+	if cfg == nil || cfg.Kubernetes == nil {
+		return nil
+	}
+
+	restConfig, err := k8sRest.InClusterConfig()
+	if err != nil {
+		home := k8sUtil.HomeDir()
+		kubeConfig := filepath.Join(home, ".kube", "config")
+		restConfig, err = k8sTools.BuildConfigFromFlags("", kubeConfig)
+		if err != nil {
+			log.Fatal(err)
+			return nil
+		}
+	}
+
+	clientSet, err := k8s.NewForConfig(restConfig)
+	if err != nil {
+		log.Fatal(err)
+		return nil
+	}
+
+	var namespace string
+	reg := New(clientSet, namespace)
+
+	return reg
+}