fix: error conn event log (#1856)

Signed-off-by: 逆流而上 <1666888816@qq.com>

event/manager.go

@@ -20,6 +20,7 @@ package event
 
 import (
 	"fmt"
+	"github.com/goodrain/rainbond/pkg/gogo"
 	"io"
 	"os"
 	"strings"
@@ -63,13 +64,7 @@ type manager struct {
 
 var defaultManager Manager
 
-const (
-	//REQUESTTIMEOUT  time out
-	REQUESTTIMEOUT = 1000 * time.Millisecond
-	//MAXRETRIES 重试
-	MAXRETRIES = 3 //  Before we abandon
-	buffersize = 1000
-)
+const buffersize = 1000
 
 // NewManager 创建manager
 func NewManager(conf EventConfig) error {
@@ -107,64 +102,43 @@ func CloseManager() {
 func (m *manager) Start() error {
 	m.lock.Lock()
 	defer m.lock.Unlock()
-	for i := 0; i < len(m.eventServer); i++ {
-		h := handle{
-			cacheChan: make(chan []byte, buffersize),
-			stop:      make(chan struct{}),
-			server:    m.eventServer[i],
-			manager:   m,
-			ctx:       m.ctx,
-		}
-		m.handles[m.eventServer[i]] = h
-		go h.HandleLog()
+	if len(m.eventServer) == 0 {
+		logrus.Errorf("event log server is empty , plase set it in config file.")
+		return nil
 	}
-	//if m.dis != nil {
-	//	m.dis.AddProject("event_log_event_grpc", m)
-	//}
-	go m.GC()
-	return nil
-}
+	defaultServer := m.eventServer[0]
 
-// UpdateEndpoints -
-func (m *manager) UpdateEndpoints(endpoints ...*config.Endpoint) {
-	m.lock.Lock()
-	defer m.lock.Unlock()
-	if endpoints == nil || len(endpoints) < 1 {
-		return
-	}
-	//清空不可用节点信息，以服务发现为主
-	m.abnormalServer = make(map[string]string)
-	//增加新节点
-	var new = make(map[string]string)
-	for _, end := range endpoints {
-		new[end.URL] = end.URL
-		if _, ok := m.handles[end.URL]; !ok {
+	err := gogo.Go(func(ctx context.Context) error {
+		for {
 			h := handle{
 				cacheChan: make(chan []byte, buffersize),
 				stop:      make(chan struct{}),
-				server:    end.URL,
+				server:    defaultServer,
 				manager:   m,
 				ctx:       m.ctx,
 			}
-			m.handles[end.URL] = h
-			logrus.Infof("Add event server endpoint,%s", end.URL)
-			go h.HandleLog()
-		}
-	}
-	//删除旧节点
-	for k := range m.handles {
-		if _, ok := new[k]; !ok {
-			delete(m.handles, k)
-			logrus.Infof("Remove event server endpoint,%s", k)
+			m.handles[defaultServer] = h
+			err := h.HandleLog()
+			if err != nil {
+				time.Sleep(time.Second * 10)
+				logrus.Warnf("event log server %s connect error: %v. auto retry after 10 seconds ", defaultServer, err)
+				continue
+			}
+			return nil
 		}
+	})
+
+	if err != nil {
+		logrus.Errorf("event log server %s connect error, %v", defaultServer, err)
+		return err
 	}
-	var eventServer []string
-	for k := range new {
-		eventServer = append(eventServer, k)
-	}
-	m.eventServer = eventServer
-	m.config.EventLogServers = eventServer
-	logrus.Debugf("update event handle core success,handle core count:%d, event server count:%d", len(m.handles), len(m.eventServer))
+
+	go m.GC()
+	return nil
+}
+
+// UpdateEndpoints - 不需要去更新节点信息
+func (m *manager) UpdateEndpoints(endpoints ...*config.Endpoint) {
 }
 
 // Error -