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cmd.go
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cmd.go
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package cmd
import (
"bytes"
"context"
"fmt"
"github.com/1Panel-dev/1Panel/backend/buserr"
"github.com/1Panel-dev/1Panel/backend/constant"
"os/exec"
"time"
)
func Exec(cmdStr string) (string, error) {
ctx, cancel := context.WithTimeout(context.Background(), 20*time.Second)
defer cancel()
cmd := exec.Command("bash", "-c", cmdStr)
var stdout, stderr bytes.Buffer
cmd.Stdout = &stdout
cmd.Stderr = &stderr
err := cmd.Run()
if ctx.Err() == context.DeadlineExceeded {
return "", buserr.New(constant.ErrCmdTimeout)
}
if err != nil {
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
}
return stdout.String(), nil
}
func ExecWithTimeOut(cmdStr string, timeout time.Duration) (string, error) {
ctx, cancel := context.WithTimeout(context.Background(), timeout)
defer cancel()
cmd := exec.Command("bash", "-c", cmdStr)
var stdout, stderr bytes.Buffer
cmd.Stdout = &stdout
cmd.Stderr = &stderr
err := cmd.Run()
if ctx.Err() == context.DeadlineExceeded {
return "", buserr.New(constant.ErrCmdTimeout)
}
if err != nil {
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
}
return stdout.String(), 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 {
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
}
return stdout.String(), nil
}