feat: refactor.

config/etcd/client.go

@@ -0,0 +1,45 @@
+package etcd
+
+import (
+	"strings"
+
+	"github.com/go-kratos/kratos/v2/config"
+	"github.com/go-kratos/kratos/v2/log"
+
+	"google.golang.org/grpc"
+
+	etcdKratos "github.com/go-kratos/kratos/contrib/config/etcd/v2"
+	etcdClient "go.etcd.io/etcd/client/v3"
+
+	conf "github.com/tx7do/kratos-bootstrap/api/gen/go/conf/v1"
+)
+
+// getConfigKey 获取合法的配置名
+func getConfigKey(configKey string, useBackslash bool) string {
+	if useBackslash {
+		return strings.Replace(configKey, `.`, `/`, -1)
+	} else {
+		return configKey
+	}
+}
+
+// NewConfigSource 创建一个远程配置源 - Etcd
+func NewConfigSource(c *conf.RemoteConfig) config.Source {
+	cfg := etcdClient.Config{
+		Endpoints:   c.Etcd.Endpoints,
+		DialTimeout: c.Etcd.Timeout.AsDuration(),
+		DialOptions: []grpc.DialOption{grpc.WithBlock()},
+	}
+
+	cli, err := etcdClient.New(cfg)
+	if err != nil {
+		panic(err)
+	}
+
+	source, err := etcdKratos.New(cli, etcdKratos.WithPath(getConfigKey(c.Etcd.Key, true)))
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	return source
+}