d8dab70406
NestJS 6 services use getNodeAutoInstrumentations(). Python 2 services use FastAPIInstrumentor. Go 2 services use otelgin.
73 lines
1.9 KiB
Go
73 lines
1.9 KiB
Go
package main
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import (
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"context"
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"log"
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"net/http"
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"os"
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"os/signal"
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"syscall"
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"time"
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"github.com/edu-cloud/push-gateway/internal/config"
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"github.com/edu-cloud/push-gateway/internal/hub"
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"github.com/edu-cloud/push-gateway/internal/observability"
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"github.com/edu-cloud/push-gateway/internal/ws"
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"github.com/gin-gonic/gin"
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"go.opentelemetry.io/contrib/instrumentation/github.com/gin-gonic/gin/otelgin"
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)
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func main() {
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cfg := config.Load()
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// 初始化 OpenTelemetry tracer（endpoint 为空时自动跳过）
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tracerShutdown := observability.InitTracer("push-gateway", cfg.OTLPEndpoint)
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defer tracerShutdown()
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gin.SetMode(gin.ReleaseMode)
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h := hub.NewHub()
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wsHandler := ws.NewHandler(h, cfg.JWTSecret, cfg.DevMode)
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r := gin.New()
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r.Use(gin.Recovery())
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// OpenTelemetry 自动埋点（HTTP 请求/响应 span）
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r.Use(otelgin.Middleware("push-gateway"))
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r.GET("/healthz", func(c *gin.Context) {
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c.JSON(200, gin.H{"status": "ok", "service": "push-gateway"})
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})
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// WebSocket 升级端点
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r.GET("/ws", wsHandler.HandleWebSocket)
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// 内部推送 API（Msg 服务调用）
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api := r.Group("/internal")
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api.POST("/push", wsHandler.PushHandler)
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api.POST("/broadcast", wsHandler.BroadcastHandler)
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srv := &http.Server{
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Addr: ":" + cfg.Port,
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Handler: r,
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ReadTimeout: 10 * time.Second,
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WriteTimeout: 60 * time.Second, // WebSocket 长连接
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}
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go func() {
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log.Printf("Push Gateway listening on :%s", cfg.Port)
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if err := srv.ListenAndServe(); err != nil && err != http.ErrServerClosed {
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log.Fatalf("listen: %s\n", err)
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}
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}()
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quit := make(chan os.Signal, 1)
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signal.Notify(quit, syscall.SIGINT, syscall.SIGTERM)
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<-quit
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log.Println("Shutting down Push Gateway...")
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ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer cancel()
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if err := srv.Shutdown(ctx); err != nil {
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log.Fatal("Server forced to shutdown:", err)
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}
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}
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