107 lines
2.4 KiB
Go
107 lines
2.4 KiB
Go
package server
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import (
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"context"
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"mal/internal/audit"
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"mal/internal/config"
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"mal/internal/observability"
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"net/http"
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"time"
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"github.com/gin-gonic/gin"
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"github.com/gin-gonic/gin/render"
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"go.uber.org/fx"
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)
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var Module = fx.Options(
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fx.Provide(observability.NewMetrics),
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fx.Provide(ProvideRouter),
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fx.Invoke(RunServer),
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)
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func ProvideRouter(cfg config.Config, htmlRender render.HTMLRender, metrics *observability.Metrics) *gin.Engine {
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if cfg.GinMode == "" {
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gin.SetMode(gin.ReleaseMode)
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} else {
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gin.SetMode(cfg.GinMode)
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}
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r := gin.New()
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r.Use(CORSMiddlewareWithConfig(cfg), audit.ContextMiddleware(), RequestLogger(metrics), gin.Recovery())
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r.Static("/static", "./static")
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r.Static("/dist", "./dist")
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r.GET("/metrics", gin.WrapH(metrics.Handler()))
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r.HTMLRender = htmlRender
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return r
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}
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func RunServer(cfg config.Config, lifecycle fx.Lifecycle, r *gin.Engine) {
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port := cfg.Port
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srv := newHTTPServer(":"+port, r)
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lifecycle.Append(fx.Hook{
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OnStart: func(context.Context) error {
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observability.Info(
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"server_start",
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"server",
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"",
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map[string]any{
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"port": port,
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},
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)
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go func() {
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if err := srv.ListenAndServe(); err != nil && err != http.ErrServerClosed {
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// Avoid exiting the process from a goroutine; let the process supervisor handle restarts.
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observability.Error(
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"server_listen_error",
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"server",
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"",
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map[string]any{
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"port": port,
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},
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err,
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)
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}
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}()
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return nil
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},
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OnStop: func(ctx context.Context) error {
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observability.Info("server_stop", "server", "", nil)
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ctx, cancel := context.WithTimeout(ctx, 10*time.Second)
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defer cancel()
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return srv.Shutdown(ctx)
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},
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})
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}
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func newHTTPServer(addr string, handler http.Handler) *http.Server {
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return &http.Server{
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Addr: addr,
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Handler: handler,
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ReadHeaderTimeout: 5 * time.Second,
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ReadTimeout: 30 * time.Second,
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WriteTimeout: 30 * time.Second,
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IdleTimeout: 2 * time.Minute,
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}
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}
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// RouteRegister is an interface that modules can implement to register their routes.
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type RouteRegister interface {
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Register(r *gin.Engine)
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}
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func RegisterRoutes(r *gin.Engine, registers []RouteRegister) {
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for _, reg := range registers {
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reg.Register(r)
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}
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}
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// AsRouteRegister is a helper to provide a RouteRegister to the fx group.
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func AsRouteRegister(f any) any {
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return fx.Annotate(
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f,
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fx.As(new(RouteRegister)),
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fx.ResultTags(`group:"routes"`),
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)
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}
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