feat: core 功能代码拆分

core/utils/cmd/cmd.go

@@ -0,0 +1,76 @@
+package cmd
+
+import (
+	"bytes"
+	"fmt"
+	"os/exec"
+	"time"
+
+	"github.com/1Panel-dev/1Panel/core/buserr"
+	"github.com/1Panel-dev/1Panel/core/constant"
+)
+
+func Exec(cmdStr string) (string, error) {
+	return ExecWithTimeOut(cmdStr, 20*time.Second)
+}
+
+func SudoHandleCmd() string {
+	cmd := exec.Command("sudo", "-n", "ls")
+	if err := cmd.Run(); err == nil {
+		return "sudo "
+	}
+	return ""
+}
+
+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 ExecWithTimeOut(cmdStr string, timeout time.Duration) (string, error) {
+	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
+	}
+	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)
+		}
+	}
+
+	return stdout.String(), nil
+}
+
+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
+}