Files
dance-lessons-coach/pkg/server/server.go

98 lines
2.3 KiB
Go

package server
import (
"context"
"net/http"
"DanceLessonsCoach/pkg/config"
"DanceLessonsCoach/pkg/greet"
"go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp"
"github.com/go-chi/chi/v5"
"github.com/go-chi/chi/v5/middleware"
"github.com/rs/zerolog/log"
)
type Server struct {
router *chi.Mux
readyCtx context.Context
withOTEL bool
}
func NewServer(cfg *config.Config, readyCtx context.Context) *Server {
s := &Server{
router: chi.NewRouter(),
readyCtx: readyCtx,
withOTEL: cfg.GetTelemetryEnabled(),
}
s.setupRoutes()
return s
}
func (s *Server) setupRoutes() {
// Use Zerolog middleware instead of Chi's default logger
s.router.Use(middleware.RequestLogger(&middleware.DefaultLogFormatter{
Logger: &log.Logger,
NoColor: false,
}))
// Health endpoint at root level
s.router.Get("/api/health", s.handleHealth)
// Readiness endpoint at root level
s.router.Get("/api/ready", s.handleReadiness)
// API routes
s.router.Route("/api/v1", func(r chi.Router) {
r.Use(s.getAllMiddlewares()...)
s.registerApiV1Routes(r)
})
}
func (s *Server) registerApiV1Routes(r chi.Router) {
greetService := greet.NewService()
greetHandler := greet.NewApiV1GreetHandler(greetService)
r.Route("/greet", func(r chi.Router) {
greetHandler.RegisterRoutes(r)
})
}
// getAllMiddlewares returns all middleware including OpenTelemetry if enabled
func (s *Server) getAllMiddlewares() []func(http.Handler) http.Handler {
middlewares := []func(http.Handler) http.Handler{
middleware.StripSlashes,
middleware.Recoverer,
}
if s.withOTEL {
middlewares = append(middlewares, func(next http.Handler) http.Handler {
return otelhttp.NewHandler(next, "")
})
}
return middlewares
}
func (s *Server) handleHealth(w http.ResponseWriter, r *http.Request) {
log.Info().Msg("Health check requested")
w.Write([]byte(`{"status":"healthy"}`))
}
func (s *Server) handleReadiness(w http.ResponseWriter, r *http.Request) {
log.Info().Msg("Readiness check requested")
select {
case <-s.readyCtx.Done():
log.Info().Msg("Readiness check: not ready (shutting down)")
w.WriteHeader(http.StatusServiceUnavailable)
w.Write([]byte(`{"ready":false}`))
default:
log.Info().Msg("Readiness check: ready")
w.Write([]byte(`{"ready":true}`))
}
}
func (s *Server) Router() http.Handler {
return s.router
}