111 lines
2.8 KiB
Go
111 lines
2.8 KiB
Go
package main
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import (
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"context"
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"io/fs"
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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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"pargar/backend/internal/api"
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"pargar/backend/internal/config"
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"pargar/backend/internal/db"
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"pargar/backend/internal/observability"
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"pargar/backend/internal/redisdb"
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"pargar/backend/internal/seed"
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"pargar/backend/internal/storage"
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"pargar/backend/internal/store"
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)
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func main() {
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observability.SetupJSONLogger()
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cfg := config.Load()
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if err := cfg.Validate(); err != nil {
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observability.L().Error("configuration", "error", err)
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os.Exit(1)
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}
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ctx := context.Background()
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otelShutdown, err := observability.SetupTracing(ctx, observability.Config{
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ServiceName: cfg.OTELServiceName,
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OTLPEndpoint: cfg.OTELEndpoint,
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})
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if err != nil {
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observability.L().Error("otel setup", "error", err)
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os.Exit(1)
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}
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defer func() { _ = otelShutdown(context.Background()) }()
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pool, err := db.Connect(ctx, cfg.DatabaseURL)
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if err != nil {
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observability.L().Error("database", "error", err)
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os.Exit(1)
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}
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defer pool.Close()
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sub, _ := fs.Sub(db.MigrationFiles, "migrations")
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if err := db.Migrate(ctx, pool, sub); err != nil {
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observability.L().Error("migrate", "error", err)
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os.Exit(1)
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}
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rdb, err := redisdb.Connect(ctx, cfg.RedisURL)
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if err != nil {
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observability.L().Error("redis", "error", err)
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os.Exit(1)
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}
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defer rdb.RDB().Close()
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st := store.New(pool)
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if err := seed.Run(ctx, st, cfg.SeedCurriculum); err != nil {
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observability.L().Error("seed", "error", err)
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os.Exit(1)
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}
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var stg storage.Storage
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if cfg.StorageDriver == "s3" {
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stg, err = storage.NewS3(ctx, cfg.StorageEndpoint, cfg.StorageRegion, cfg.StorageAccess, cfg.StorageSecret, cfg.StorageBucket, cfg.PublicURL)
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if err != nil {
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observability.L().Error("storage", "error", err)
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os.Exit(1)
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}
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} else {
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stg = storage.NewLocal(cfg.StorageDir, cfg.PublicURL)
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}
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if err := storage.EnsureSampleMP4(stg, storage.DefaultSampleCandidates()...); err != nil {
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observability.L().Warn("sample media", "error", err)
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}
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srv := api.NewServer(cfg, st, rdb.RDB(), stg)
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scheduler := api.NewScheduler(srv, st, cfg)
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go scheduler.Run()
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httpSrv := &http.Server{
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Addr: ":" + cfg.Port,
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Handler: srv.Handler(),
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ReadHeaderTimeout: 10 * time.Second,
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IdleTimeout: 120 * time.Second,
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}
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go func() {
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observability.L().Info("pargar backend listening", "port", cfg.Port)
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if err := httpSrv.ListenAndServe(); err != nil && err != http.ErrServerClosed {
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observability.L().Error("server", "error", err)
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os.Exit(1)
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}
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}()
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stop := make(chan os.Signal, 1)
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signal.Notify(stop, os.Interrupt, syscall.SIGTERM)
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<-stop
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scheduler.Stop()
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shutdownCtx, cancel := context.WithTimeout(ctx, 10*time.Second)
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defer cancel()
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_ = httpSrv.Shutdown(shutdownCtx)
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observability.L().Info("shutdown complete")
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}
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