photoprism/internal/commands/stop.go

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package commands
import (
"syscall"
"github.com/photoprism/photoprism/internal/config"
"github.com/photoprism/photoprism/pkg/txt"
"github.com/sevlyar/go-daemon"
"github.com/urfave/cli"
)
// StopCommand registers the stop cli command.
var StopCommand = cli.Command{
Name: "stop",
Aliases: []string{"down"},
Usage: "Stops web server (only in daemon mode)",
Action: stopAction,
}
// stopAction stops the daemon if it is running.
func stopAction(ctx *cli.Context) error {
conf := config.NewConfig(ctx)
log.Infof("looking for pid in %s", txt.Quote(conf.PIDFilename()))
dcxt := new(daemon.Context)
dcxt.PidFileName = conf.PIDFilename()
child, err := dcxt.Search()
if err != nil {
log.Fatal(err)
}
err = child.Signal(syscall.SIGTERM)
if err != nil {
log.Fatal(err)
}
st, err := child.Wait()
if err != nil {
log.Info("daemon exited successfully")
return nil
}
log.Infof("daemon[%v] exited[%v]? successfully[%v]?\n", st.Pid(), st.Exited(), st.Success())
return nil
}