feat: use robot to migrate code

Signed-off-by: kubbot & kubecub <3293172751ysy@gmail.com>

pkg/discoveryregistry/zookeeper/register.go

@@ -0,0 +1,40 @@
+package zookeeper
+
+import (
+	"time"
+
+	"github.com/go-zookeeper/zk"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/resolver"
+)
+
+func (s *ZkClient) Register(rpcRegisterName, host string, port int, opts ...grpc.DialOption) error {
+	if err := s.ensureName(rpcRegisterName); err != nil {
+		return err
+	}
+	addr := s.getAddr(host, port)
+	_, err := grpc.Dial(addr, opts...)
+	if err != nil {
+		return err
+	}
+	node, err := s.conn.CreateProtectedEphemeralSequential(s.getPath(rpcRegisterName)+"/"+addr+"_", []byte(addr), zk.WorldACL(zk.PermAll))
+	if err != nil {
+		return err
+	}
+	s.node = node
+	return nil
+}
+
+func (s *ZkClient) UnRegister() error {
+	s.lock.Lock()
+	defer s.lock.Unlock()
+	err := s.conn.Delete(s.node, -1)
+	if err != nil {
+		return err
+	}
+	time.Sleep(time.Second)
+	s.node = ""
+	s.localConns = make(map[string][]resolver.Address)
+	s.resolvers = make(map[string]*Resolver)
+	return nil
+}