136 lines
3.2 KiB
Go
136 lines
3.2 KiB
Go
//go:generate go install github.com/valyala/quicktemplate/qtc@latest
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//go:generate qtc -dir=web/template
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//go:generate go install golang.org/x/text/cmd/gotext@latest
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//go:generate gotext -srclang=en update -out=catalog_gen.go -lang=en,ru
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package main
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import (
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"context"
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"crypto/tls"
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"errors"
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"flag"
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"log"
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"net"
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"os"
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"os/signal"
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"path/filepath"
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"runtime"
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"runtime/pprof"
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"syscall"
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_ "time/tzdata"
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"github.com/caarlos0/env/v10"
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"source.toby3d.me/toby3d/home/internal/cmd/home"
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"source.toby3d.me/toby3d/home/internal/domain"
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)
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var (
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config = new(domain.Config)
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logger = log.New(os.Stdout, "home\t", log.Lmsgprefix|log.LstdFlags|log.LUTC)
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)
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var cpuProfilePath, memProfilePath string
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func main() {
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flag.StringVar(&cpuProfilePath, "cpuprofile", "", "set path to saving CPU memory profile")
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flag.StringVar(&memProfilePath, "memprofile", "", "set path to saving pprof memory profile")
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flag.Parse()
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var err error
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if err = env.ParseWithOptions(config, env.Options{Prefix: "HOME_"}); err != nil {
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logger.Fatalln("cannot unmarshal configuration into domain:", err)
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}
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ln, err := net.Listen("tcp", config.AddrPort().String())
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if err != nil {
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logger.Fatalln("cannot listen requested address:", err)
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}
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if config.CertFile != "" && config.CertKey != "" {
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cert, err := tls.LoadX509KeyPair(config.CertFile, config.CertKey)
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if err != nil {
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logger.Fatalln("cannot load certificate files from config:", err)
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}
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ln = tls.NewListener(ln, &tls.Config{Certificates: []tls.Certificate{cert}})
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}
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for _, dir := range []*string{
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&config.ContentDir,
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&config.ThemeDir,
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&config.StaticDir,
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} {
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if *dir, err = filepath.Abs(filepath.Clean(*dir)); err != nil {
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logger.Fatalf("cannot format '%s' into absolute path: %s", *dir, err)
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}
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if _, err = os.Stat(*dir); err != nil {
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if errors.Is(err, os.ErrExist) {
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return
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}
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if !errors.Is(err, os.ErrNotExist) {
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logger.Fatalf("cannot check '%s' path: %v", *dir, err)
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}
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if err = os.MkdirAll(*dir, os.ModePerm); err != nil {
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logger.Fatalf("cannot create directory on '%s': %v", *dir, err)
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}
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}
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}
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ctx := context.Background()
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app, err := home.NewApp(logger, config)
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if err != nil {
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logger.Fatalln("cannot setup app:", err)
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}
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done := make(chan os.Signal, 1)
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signal.Notify(done, os.Interrupt, syscall.SIGINT, syscall.SIGTERM)
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if cpuProfilePath != "" {
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cpuProfile, err := os.Create(cpuProfilePath)
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if err != nil {
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logger.Fatalln("could not create CPU profile:", err)
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}
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defer cpuProfile.Close()
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if err = pprof.StartCPUProfile(cpuProfile); err != nil {
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logger.Fatalln("could not start CPU profile:", err)
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}
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defer pprof.StopCPUProfile()
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}
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go func() {
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logger.Printf("starting server on %d...", config.Port)
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if err = app.Run(ln); err != nil {
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logger.Fatalln("cannot run app:", err)
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}
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}()
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<-done
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if err = app.Stop(ctx); err != nil {
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logger.Fatalln("failed shutdown server:", err)
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}
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if memProfilePath == "" {
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return
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}
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memProfile, err := os.Create(memProfilePath)
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if err != nil {
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logger.Fatalln("could not create memory profile:", err)
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}
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defer memProfile.Close()
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runtime.GC() // NOTE(toby3d): get up-to-date statistics
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if err = pprof.WriteHeapProfile(memProfile); err != nil {
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logger.Fatalln("could not write memory profile:", err)
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}
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}
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