1Panel/backend/utils/cmd/cmd.go

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package cmd
import (
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"bytes"
"fmt"
"os"
"os/exec"
"strings"
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"time"
"github.com/1Panel-dev/1Panel/backend/buserr"
"github.com/1Panel-dev/1Panel/backend/constant"
)
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func Exec(cmdStr string) (string, error) {
return ExecWithTimeOut(cmdStr, 20*time.Second)
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}
func handleErr(stdout, stderr bytes.Buffer, err error) (string, error) {
errMsg := ""
if len(stderr.String()) != 0 {
errMsg = fmt.Sprintf("stderr: %s", stderr.String())
}
if len(stdout.String()) != 0 {
if len(errMsg) != 0 {
errMsg = fmt.Sprintf("%s; stdout: %s", errMsg, stdout.String())
} else {
errMsg = fmt.Sprintf("stdout: %s", stdout.String())
}
}
return errMsg, err
}
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func ExecWithTimeOut(cmdStr string, timeout time.Duration) (string, error) {
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cmd := exec.Command("bash", "-c", cmdStr)
var stdout, stderr bytes.Buffer
cmd.Stdout = &stdout
cmd.Stderr = &stderr
if err := cmd.Start(); err != nil {
return "", err
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}
done := make(chan error, 1)
go func() {
done <- cmd.Wait()
}()
after := time.After(timeout)
select {
case <-after:
_ = cmd.Process.Kill()
return "", buserr.New(constant.ErrCmdTimeout)
case err := <-done:
if err != nil {
return handleErr(stdout, stderr, err)
}
}
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return stdout.String(), nil
}
func ExecContainerScript(containerName, cmdStr string, timeout time.Duration) error {
cmdStr = fmt.Sprintf("docker exec -i %s bash -c '%s'", containerName, cmdStr)
out, err := ExecWithTimeOut(cmdStr, timeout)
if err != nil {
if out != "" {
return fmt.Errorf("%s; err: %v", out, err)
}
return err
}
return nil
}
func ExecCronjobWithTimeOut(cmdStr, workdir, outPath string, timeout time.Duration) error {
file, err := os.OpenFile(outPath, os.O_WRONLY|os.O_CREATE, 0666)
if err != nil {
return err
}
defer file.Close()
cmd := exec.Command("bash", "-c", cmdStr)
cmd.Dir = workdir
cmd.Stdout = file
cmd.Stderr = file
if err := cmd.Start(); err != nil {
return err
}
done := make(chan error, 1)
go func() {
done <- cmd.Wait()
}()
after := time.After(timeout)
select {
case <-after:
_ = cmd.Process.Kill()
return buserr.New(constant.ErrCmdTimeout)
case err := <-done:
if err != nil {
return err
}
}
return nil
}
func Execf(cmdStr string, a ...interface{}) (string, error) {
cmd := exec.Command("bash", "-c", fmt.Sprintf(cmdStr, a...))
var stdout, stderr bytes.Buffer
cmd.Stdout = &stdout
cmd.Stderr = &stderr
err := cmd.Run()
if err != nil {
return handleErr(stdout, stderr, err)
}
return stdout.String(), nil
}
func ExecWithCheck(name string, a ...string) (string, error) {
cmd := exec.Command(name, a...)
var stdout, stderr bytes.Buffer
cmd.Stdout = &stdout
cmd.Stderr = &stderr
err := cmd.Run()
if err != nil {
return handleErr(stdout, stderr, err)
}
return stdout.String(), nil
}
func ExecScript(scriptPath, workDir string) (string, error) {
cmd := exec.Command("bash", scriptPath)
var stdout, stderr bytes.Buffer
cmd.Dir = workDir
cmd.Stdout = &stdout
cmd.Stderr = &stderr
if err := cmd.Start(); err != nil {
return "", err
}
done := make(chan error, 1)
go func() {
done <- cmd.Wait()
}()
after := time.After(10 * time.Minute)
select {
case <-after:
_ = cmd.Process.Kill()
return "", buserr.New(constant.ErrCmdTimeout)
case err := <-done:
if err != nil {
return handleErr(stdout, stderr, err)
}
}
return stdout.String(), nil
}
func ExecCmd(cmdStr string) error {
cmd := exec.Command("bash", "-c", cmdStr)
output, err := cmd.CombinedOutput()
if err != nil {
return fmt.Errorf("error : %v, output: %s", err, output)
}
return nil
}
func ExecCmdWithDir(cmdStr, workDir string) error {
cmd := exec.Command("bash", "-c", cmdStr)
cmd.Dir = workDir
output, err := cmd.CombinedOutput()
if err != nil {
return fmt.Errorf("error : %v, output: %s", err, output)
}
return nil
}
func CheckIllegal(args ...string) bool {
if args == nil {
return false
}
for _, arg := range args {
if strings.Contains(arg, "&") || strings.Contains(arg, "|") || strings.Contains(arg, ";") ||
strings.Contains(arg, "$") || strings.Contains(arg, "'") || strings.Contains(arg, "`") ||
strings.Contains(arg, "(") || strings.Contains(arg, ")") || strings.Contains(arg, "\"") {
return true
}
}
return false
}
func HasNoPasswordSudo() bool {
cmd2 := exec.Command("sudo", "-n", "ls")
err2 := cmd2.Run()
return err2 == nil
}
func SudoHandleCmd() string {
cmd := exec.Command("sudo", "-n", "ls")
if err := cmd.Run(); err == nil {
return "sudo "
}
return ""
}
func Which(name string) bool {
_, err := exec.LookPath(name)
return err == nil
}