Merge branch 'dev' of http://116.204.74.41:3000/red-future/common into dev

consul/consul.go

@@ -6,6 +6,7 @@ import (
 	"fmt"
 	"net"
 	"sync"
+	"time"
 
 	"github.com/gogf/gf/contrib/registry/consul/v2"
 	"github.com/gogf/gf/v2/frame/g"
@@ -14,30 +15,96 @@ import (
 	"github.com/gogf/gf/v2/util/grand"
 )
 
-var initOnce sync.Once
+var (
+	registry       gsvc.Registry
+	consulAddr     string
+	reconnectMutex sync.RWMutex
+	reconnectDone  chan struct{}
+)
 
-// Init 初始化 Consul 注册中心（延迟初始化，首次调用时执行）
+// connectConsul 连接 Consul
-func Init() {
+func connectConsul(ctx context.Context) error {
-	initOnce.Do(func() {
+	reconnectMutex.Lock()
-		consulAddr := g.Cfg().MustGet(context.Background(), "consul.address").String()
+	defer reconnectMutex.Unlock()
-		if consulAddr == "" {
+
-			g.Log().Warning(context.Background(), "⚠️  Consul 配置未找到，跳过初始化")
+	var err error
-			return
+	registry, err = consul.New(consul.WithAddress(consulAddr))
-		}
-		registry, err := consul.New(consul.WithAddress(consulAddr))
 	if err != nil {
-			g.Log().Errorf(context.Background(), "Consul 初始化失败: %v", err)
+		g.Log().Errorf(ctx, "❌ Consul 连接失败: %v", err)
-			return
+		return err
 	}
+
 	gsvc.SetRegistry(registry)
 	gsel.SetBuilder(gsel.NewBuilderRoundRobin())
-		g.Log().Infof(context.Background(), "✅ Consul 初始化成功: %s", consulAddr)
+	g.Log().Infof(ctx, "✅ Consul 初始化成功: %s", consulAddr)
-	})
+
+	// 启动健康检查和自动重连
+	go startHealthCheckAndReconnect()
+
+	return nil
+}
+
+// startHealthCheckAndReconnect 启动健康检查和自动重连
+func startHealthCheckAndReconnect() {
+	if reconnectDone != nil {
+		close(reconnectDone)
+	}
+
+	reconnectDone = make(chan struct{})
+	ticker := time.NewTicker(5 * time.Second)
+	defer ticker.Stop()
+
+	ctx := context.Background()
+
+	for {
+		select {
+		case <-ticker.C:
+			// 检查服务发现是否正常工作
+			if checkConsulHealth(ctx) {
+				continue
+			}
+
+			g.Log().Warning(ctx, "⚠️  Consul 连接异常,尝试重新连接...")
+			if err := connectConsul(ctx); err != nil {
+				g.Log().Errorf(ctx, "❌ Consul 重连失败: %v,5秒后重试...", err)
+			}
+
+		case <-reconnectDone:
+			g.Log().Info(ctx, "🛑 Consul 健康检查已停止")
+			return
+		}
+	}
+}
+
+// checkConsulHealth 检查 Consul 健康状态
+func checkConsulHealth(ctx context.Context) bool {
+	reconnectMutex.RLock()
+	defer reconnectMutex.RUnlock()
+
+	if registry == nil {
+		return false
+	}
+
+	// 尝试获取服务列表来检测连接是否正常
+	services, err := registry.Search(ctx, gsvc.SearchInput{})
+	if err != nil {
+		g.Log().Debugf(ctx, "Consul 健康检查失败: %v", err)
+		return false
+	}
+
+	g.Log().Debugf(ctx, "✅ Consul 健康检查通过,发现 %d 个服务", len(services))
+	return true
 }
 
 func init() {
-	// 默认自动初始化（保持向后兼容）
+	consulAddr = g.Cfg().MustGet(context.Background(), "consul.address").String()
-	Init()
+	if consulAddr == "" {
+		g.Log().Warning(context.Background(), "⚠️  Consul 配置未找到,跳过初始化")
+		return
+	}
+	if err := connectConsul(context.Background()); err != nil {
+		g.Log().Errorf(context.Background(), "❌ Consul 初始化失败: %v", err)
+	}
 }
 func getLocalIP() (string, error) {
 	// 获取本机所有网络接口
@@ -69,9 +136,14 @@ func getInstanceAddrByIp(ctx context.Context, ip string, services []gsvc.Service
 }
 func GetInstanceAddr(ctx context.Context, name string) (addr string, err error) {
 	watch, err := gsvc.GetRegistry().Watch(ctx, name)
+	if err != nil {
+		err = errors.New("获取服务监听器失败")
+		return
+	}
+
 	service, err := watch.Proceed()
 	if err != nil || service == nil {
-		err = errors.New("获取customerService服务实例失败！")
+		err = errors.New("获取服务实例失败")
 		return
 	}
 	//优先使用客户端IP获取实例(前后端在同一台机器调试)