tube/utils/utils.go

40 lines
711 B
Go

package utils
import (
"context"
"fmt"
"os"
"os/exec"
"time"
)
// FileExists ...
func FileExists(name string) bool {
if _, err := os.Stat(name); err != nil {
if os.IsNotExist(err) {
return false
}
}
return true
}
// CmdExists ...
func CmdExists(cmd string) bool {
_, err := exec.LookPath(cmd)
return err == nil
}
// RunCmd ...
func RunCmd(timeout int, command string, args ...string) error {
ctx, cancel := context.WithTimeout(context.Background(), time.Duration(timeout)*time.Second)
defer cancel()
cmd := exec.CommandContext(ctx, command, args...)
out, err := cmd.CombinedOutput()
if err != nil {
return fmt.Errorf("cmd.CombinedOutput error: %w\n%s", err, out)
}
return nil
}