/
gonic.go
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/
gonic.go
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// Package main is the gonic server entrypoint
//nolint:lll // flags help strings
package main
import (
"flag"
"fmt"
"log"
"os"
"path"
"regexp"
"strings"
"time"
_ "github.com/jinzhu/gorm/dialects/sqlite"
"github.com/oklog/run"
"github.com/peterbourgon/ff"
"go.senan.xyz/gonic"
"go.senan.xyz/gonic/server"
"go.senan.xyz/gonic/db"
)
const (
cleanTimeDuration = 10 * time.Minute
cachePrefixAudio = "audio"
cachePrefixCovers = "covers"
)
func main() {
set := flag.NewFlagSet(gonic.Name, flag.ExitOnError)
confListenAddr := set.String("listen-addr", "0.0.0.0:4747", "listen address (optional)")
confTLSCert := set.String("tls-cert", "", "path to TLS certificate (optional)")
confTLSKey := set.String("tls-key", "", "path to TLS private key (optional)")
confPodcastPath := set.String("podcast-path", "", "path to podcasts")
confCachePath := set.String("cache-path", "", "path to cache")
confDBPath := set.String("db-path", "gonic.db", "path to database (optional)")
confScanInterval := set.Int("scan-interval", 0, "interval (in minutes) to automatically scan music (optional)")
confJukeboxEnabled := set.Bool("jukebox-enabled", false, "whether the subsonic jukebox api should be enabled (optional)")
confProxyPrefix := set.String("proxy-prefix", "", "url path prefix to use if behind proxy. eg '/gonic' (optional)")
confGenreSplit := set.String("genre-split", "\n", "character or string to split genre tag data on (optional)")
confHTTPLog := set.Bool("http-log", true, "http request logging (optional)")
confShowVersion := set.Bool("version", false, "show gonic version")
var confMusicPaths musicPaths
set.Var(&confMusicPaths, "music-path", "path to music")
_ = set.String("config-path", "", "path to config (optional)")
if err := ff.Parse(set, os.Args[1:],
ff.WithConfigFileFlag("config-path"),
ff.WithConfigFileParser(ff.PlainParser),
ff.WithEnvVarPrefix(gonic.NameUpper),
); err != nil {
log.Fatalf("error parsing args: %v\n", err)
}
if *confShowVersion {
fmt.Println(gonic.Version)
os.Exit(0)
}
log.Printf("starting gonic %s\n", gonic.Version)
log.Printf("provided config\n")
set.VisitAll(func(f *flag.Flag) {
value := strings.ReplaceAll(f.Value.String(), "\n", "")
log.Printf(" %-15s %s\n", f.Name, value)
})
if len(confMusicPaths) == 0 {
log.Fatalf("please provide a music directory")
}
for _, confMusicPath := range confMusicPaths {
if _, err := os.Stat(confMusicPath); os.IsNotExist(err) {
log.Fatalf("music directory %q not found", confMusicPath)
}
}
if _, err := os.Stat(*confPodcastPath); os.IsNotExist(err) {
log.Fatal("please provide a valid podcast directory")
}
if *confCachePath == "" {
log.Fatal("please provide a cache directory")
}
cacheDirAudio := path.Join(*confCachePath, cachePrefixAudio)
cacheDirCovers := path.Join(*confCachePath, cachePrefixCovers)
if _, err := os.Stat(cacheDirAudio); os.IsNotExist(err) {
if err := os.MkdirAll(cacheDirAudio, os.ModePerm); err != nil {
log.Fatalf("couldn't create audio cache path: %v\n", err)
}
}
if _, err := os.Stat(cacheDirCovers); os.IsNotExist(err) {
if err := os.MkdirAll(cacheDirCovers, os.ModePerm); err != nil {
log.Fatalf("couldn't create covers cache path: %v\n", err)
}
}
dbc, err := db.New(*confDBPath, db.DefaultOptions())
if err != nil {
log.Fatalf("error opening database: %v\n", err)
}
defer dbc.Close()
err = dbc.Migrate(db.MigrationContext{
OriginalMusicPath: confMusicPaths[0],
})
if err != nil {
log.Panicf("error migrating database: %v\n", err)
}
proxyPrefixExpr := regexp.MustCompile(`^\/*(.*?)\/*$`)
*confProxyPrefix = proxyPrefixExpr.ReplaceAllString(*confProxyPrefix, `/$1`)
server, err := server.New(server.Options{
DB: dbc,
MusicPaths: confMusicPaths,
CachePath: cacheDirAudio,
CoverCachePath: cacheDirCovers,
ProxyPrefix: *confProxyPrefix,
GenreSplit: *confGenreSplit,
PodcastPath: *confPodcastPath,
HTTPLog: *confHTTPLog,
JukeboxEnabled: *confJukeboxEnabled,
})
if err != nil {
log.Panicf("error creating server: %v\n", err)
}
var g run.Group
g.Add(server.StartHTTP(*confListenAddr, *confTLSCert, *confTLSKey))
g.Add(server.StartSessionClean(cleanTimeDuration))
g.Add(server.StartPodcastRefresher(time.Hour))
if *confScanInterval > 0 {
tickerDur := time.Duration(*confScanInterval) * time.Minute
g.Add(server.StartScanTicker(tickerDur))
}
if *confJukeboxEnabled {
g.Add(server.StartJukebox())
}
if err := g.Run(); err != nil {
log.Panicf("error in job: %v", err)
}
}
type musicPaths []string
func (m musicPaths) String() string {
return strings.Join(m, ", ")
}
func (m *musicPaths) Set(value string) error {
*m = append(*m, value)
return nil
}