photoprism/internal/commands/stop.go
Vedhavyas Singareddi f63efc5f51 Implement daemon mode (#119)
* add daemon process
* add daemon stop command
* add daemon log to log file
* check for running daemons
* minor changes
2019-06-20 01:11:03 +02:00

42 lines
892 B
Go

package commands
import (
"syscall"
"github.com/photoprism/photoprism/internal/config"
"github.com/prometheus/common/log"
daemon "github.com/sevlyar/go-daemon"
"github.com/urfave/cli"
)
// StopCommand stops the daemon if any.
var StopCommand = cli.Command{
Name: "stop",
Usage: "Stops daemon",
Action: stopAction,
}
func stopAction(ctx *cli.Context) error {
conf := config.NewConfig(ctx)
log.Infof("Looking for PID from file: %v\n", conf.DaemonPIDPath())
dcxt := new(daemon.Context)
dcxt.PidFileName = conf.DaemonPIDPath()
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
}