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package stop
import (
"log"
"os"
"strconv"
"syscall"
"time"
"github.com/roadrunner-server/errors"
"github.com/roadrunner-server/roadrunner/v2023/internal/sdnotify"
"github.com/spf13/cobra"
)
const (
// sync with root.go
pidFileName string = ".pid"
)
// NewCommand creates `serve` command.
func NewCommand(silent *bool, force *bool) *cobra.Command {
return &cobra.Command{
Use: "stop",
Short: "Stop RoadRunner server",
RunE: func(*cobra.Command, []string) error {
const op = errors.Op("rr_stop")
_, _ = sdnotify.SdNotify(sdnotify.Stopping)
data, err := os.ReadFile(pidFileName)
if err != nil {
return errors.Errorf("%v, to create a .pid file, you must run RR with the following options: './rr serve -p'", err)
}
pid, err := strconv.Atoi(string(data))
if err != nil {
return errors.E(op, err)
}
process, err := os.FindProcess(pid)
if err != nil {
return errors.E(op, err)
}
if !*silent {
log.Printf("stopping process with PID: %d", pid)
}
err = process.Signal(syscall.SIGTERM)
if err != nil {
return errors.E(op, err)
}
if *force {
// RR may lose the signal if we immediately send it
time.Sleep(time.Second)
err = process.Signal(syscall.SIGTERM)
if err != nil {
return errors.E(op, err)
}
}
return nil
},
}
}
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