photoprism/internal/commands/start.go
Anders Brander 3ed5370439
Do not print starting web server before starting web server. (#240)
Thnigs can go wrong and abort in server.Start() before the web server is
started. This commit will move the log message to where the webserver is
started to avoid confusing the user.
2020-02-05 23:05:37 +01:00

131 lines
2.8 KiB
Go

package commands
import (
"context"
"fmt"
"os"
"os/signal"
"strconv"
"syscall"
"time"
"github.com/photoprism/photoprism/internal/config"
"github.com/photoprism/photoprism/internal/server"
"github.com/photoprism/photoprism/pkg/fs"
"github.com/sevlyar/go-daemon"
"github.com/urfave/cli"
)
// Starts web server (user interface)
var StartCommand = cli.Command{
Name: "start",
Aliases: []string{"up"},
Usage: "Starts web server",
Flags: startFlags,
Action: startAction,
}
var startFlags = []cli.Flag{
cli.BoolFlag{
Name: "detach-server, d",
Usage: "detach from the console (daemon mode)",
EnvVar: "PHOTOPRISM_DETACH_SERVER",
},
cli.BoolFlag{
Name: "config, c",
Usage: "show config",
},
}
func startAction(ctx *cli.Context) error {
conf := config.NewConfig(ctx)
if err := conf.CreateDirectories(); err != nil {
return err
}
if ctx.IsSet("config") {
fmt.Printf("NAME VALUE\n")
fmt.Printf("detach-server %t\n", conf.DetachServer())
fmt.Printf("sql-host %s\n", conf.SqlServerHost())
fmt.Printf("sql-port %d\n", conf.SqlServerPort())
fmt.Printf("sql-password %s\n", conf.SqlServerPassword())
fmt.Printf("sql-path %s\n", conf.SqlServerPath())
fmt.Printf("http-host %s\n", conf.HttpServerHost())
fmt.Printf("http-port %d\n", conf.HttpServerPort())
fmt.Printf("http-mode %s\n", conf.HttpServerMode())
return nil
}
// pass this context down the chain
cctx, cancel := context.WithCancel(context.Background())
if conf.HttpServerPort() < 1 || conf.HttpServerPort() > 65535 {
log.Fatal("server port must be a number between 1 and 65535")
}
if err := conf.CreateDirectories(); err != nil {
log.Fatal(err)
}
if err := conf.Init(cctx); err != nil {
log.Fatal(err)
}
conf.MigrateDb()
dctx := new(daemon.Context)
dctx.LogFileName = conf.LogFilename()
dctx.PidFileName = conf.PIDFilename()
dctx.Args = ctx.Args()
if !daemon.WasReborn() && conf.DetachServer() {
conf.Shutdown()
cancel()
if pid, ok := childAlreadyRunning(conf.PIDFilename()); ok {
log.Infof("daemon already running with process id %v\n", pid)
return nil
}
child, err := dctx.Reborn()
if err != nil {
log.Fatal(err)
}
if child != nil {
if !fs.Overwrite(conf.PIDFilename(), []byte(strconv.Itoa(child.Pid))) {
log.Fatalf("failed writing process id to \"%s\"", conf.PIDFilename())
}
log.Infof("daemon started with process id %v\n", child.Pid)
return nil
}
}
if conf.ReadOnly() {
log.Infof("read-only mode enabled")
}
go server.Start(cctx, conf)
quit := make(chan os.Signal)
signal.Notify(quit, syscall.SIGINT, syscall.SIGTERM)
<-quit
log.Info("shutting down...")
conf.Shutdown()
cancel()
err := dctx.Release()
if err != nil {
log.Error(err)
}
time.Sleep(3 * time.Second)
return nil
}