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/
web.go
119 lines (93 loc) · 2.8 KB
/
web.go
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package cmdweb
import (
"net/http"
"os"
"os/signal"
"time"
"github.com/markbates/pkger"
"github.com/spf13/cobra"
cmdwebroutes "github.com/13k/night-stalker/cmd/ns/internal/commands/cmdweb/routes"
nscmddb "github.com/13k/night-stalker/cmd/ns/internal/db"
nscmdlog "github.com/13k/night-stalker/cmd/ns/internal/logger"
nscmdrds "github.com/13k/night-stalker/cmd/ns/internal/redis"
v "github.com/13k/night-stalker/cmd/ns/internal/viper"
nsweb "github.com/13k/night-stalker/web"
)
var Cmd = &cobra.Command{
Use: "web",
Short: "Start HTTP server",
Run: run,
}
const (
defaultAddress = ":3000"
defaultShutdownTimeout = 5 * time.Second
balanarBuildDir = "/balanar/dist"
)
var (
flagShutdownTimeout time.Duration
flagAddress string
flagCertFile string
flagCertKeyFile string
flagCertHosts []string
flagCertCacheDir string
)
func init() {
Cmd.Flags().StringP("redis", "r", "", "redis URL")
Cmd.Flags().StringVarP(&flagAddress, "listen", "L", defaultAddress, "listen address (host:port)")
Cmd.Flags().StringVar(&flagCertFile, "crt", "", "certificate file")
Cmd.Flags().StringVar(&flagCertKeyFile, "crtkey", "", "certificate key file")
Cmd.Flags().StringVar(&flagCertCacheDir, "crtcache", "", "certificate cache directory")
Cmd.Flags().StringSliceVar(&flagCertHosts, "crthost", nil, "certificate host(s)")
Cmd.Flags().DurationVar(&flagShutdownTimeout, "stimeout", defaultShutdownTimeout, "shutdown timeout")
v.MustBindFlagLookup(v.KeyRedisURL, Cmd, "redis")
Cmd.AddCommand(cmdwebroutes.Cmd)
}
func run(cmd *cobra.Command, args []string) {
log, err := nscmdlog.New()
if err != nil {
panic(err)
}
defer log.Close()
db, err := nscmddb.Connect()
if err != nil {
log.WithError(err).Fatal("error connecting to database")
}
defer db.Close()
rds, err := nscmdrds.Connect()
if err != nil {
log.WithError(err).Fatal("error connecting to redis")
}
defer rds.Close()
assets, err := assetsFS()
if err != nil {
log.WithError(err).Fatal("error loading assets")
}
app, err := nsweb.New(nsweb.AppOptions{
Log: log.WithPackage("web"),
DB: db,
Redis: rds,
StaticFS: assets,
Address: flagAddress,
CertFile: flagCertFile,
CertKeyFile: flagCertKeyFile,
CertHosts: flagCertHosts,
CertCacheDir: flagCertCacheDir,
ShutdownTimeout: flagShutdownTimeout,
})
if err != nil {
log.WithError(err).Fatal("error initializing application")
}
sigChan := make(chan os.Signal, 1)
signal.Notify(sigChan, os.Interrupt)
go func() {
<-sigChan
log.Warn("interrupted, stopping...")
app.Stop()
}()
if err := app.Start(); err != nil && err != http.ErrServerClosed {
log.WithError(err).Fatal("web error")
}
}
func assetsFS() (http.FileSystem, error) {
return pkger.Open(balanarBuildDir)
}