stash/cmd/stash/main.go

168 lines
3.3 KiB
Go

//go:generate go run github.com/99designs/gqlgen
package main
import (
"errors"
"fmt"
"net/http"
"os"
"os/signal"
"runtime/debug"
"runtime/pprof"
"syscall"
"github.com/spf13/pflag"
"github.com/stashapp/stash/internal/api"
"github.com/stashapp/stash/internal/build"
"github.com/stashapp/stash/internal/desktop"
"github.com/stashapp/stash/internal/log"
"github.com/stashapp/stash/internal/manager"
"github.com/stashapp/stash/internal/manager/config"
"github.com/stashapp/stash/pkg/logger"
"github.com/stashapp/stash/ui"
_ "github.com/golang-migrate/migrate/v4/database/sqlite3"
_ "github.com/golang-migrate/migrate/v4/source/file"
)
var exitCode = 0
func main() {
defer func() {
if exitCode != 0 {
os.Exit(exitCode)
}
}()
defer recoverPanic()
initLogTemp()
helpFlag := false
pflag.BoolVarP(&helpFlag, "help", "h", false, "show this help text and exit")
versionFlag := false
pflag.BoolVarP(&versionFlag, "version", "v", false, "show version number and exit")
cpuProfilePath := ""
pflag.StringVar(&cpuProfilePath, "cpuprofile", "", "write cpu profile to file")
pflag.Parse()
if helpFlag {
pflag.Usage()
return
}
if versionFlag {
fmt.Println(build.VersionString())
return
}
cfg, err := config.Initialize()
if err != nil {
exitError(fmt.Errorf("config initialization error: %w", err))
return
}
l := initLog(cfg)
if cpuProfilePath != "" {
if err := initProfiling(cpuProfilePath); err != nil {
exitError(err)
return
}
defer pprof.StopCPUProfile()
}
mgr, err := manager.Initialize(cfg, l)
if err != nil {
exitError(fmt.Errorf("manager initialization error: %w", err))
return
}
defer mgr.Shutdown()
server, err := api.Initialize()
if err != nil {
exitError(fmt.Errorf("api initialization error: %w", err))
return
}
defer server.Shutdown()
exit := make(chan int)
go func() {
err := server.Start()
if !errors.Is(err, http.ErrServerClosed) {
exitError(fmt.Errorf("http server error: %w", err))
exit <- 1
}
}()
go handleSignals(exit)
desktop.Start(exit, &ui.FaviconProvider)
exitCode = <-exit
}
// initLogTemp initializes a temporary logger for use before the config is loaded.
// Logs only error level message to stderr.
func initLogTemp() *log.Logger {
l := log.NewLogger()
l.Init("", true, "Error")
logger.Logger = l
return l
}
func initLog(cfg *config.Config) *log.Logger {
l := log.NewLogger()
l.Init(cfg.GetLogFile(), cfg.GetLogOut(), cfg.GetLogLevel())
logger.Logger = l
return l
}
func initProfiling(path string) error {
f, err := os.Create(path)
if err != nil {
return fmt.Errorf("unable to create CPU profile file: %v", err)
}
if err = pprof.StartCPUProfile(f); err != nil {
return fmt.Errorf("could not start CPU profiling: %v", err)
}
logger.Infof("profiling to %s", path)
return nil
}
func recoverPanic() {
if err := recover(); err != nil {
exitCode = 1
logger.Errorf("panic: %v\n%s", err, debug.Stack())
if desktop.IsDesktop() {
desktop.FatalError(fmt.Errorf("Panic: %v", err))
}
}
}
func exitError(err error) {
exitCode = 1
logger.Error(err)
if desktop.IsDesktop() {
desktop.FatalError(err)
}
}
func handleSignals(exit chan<- int) {
// handle signals
signals := make(chan os.Signal, 1)
signal.Notify(signals, syscall.SIGINT, syscall.SIGTERM)
<-signals
exit <- 0
}