first commit

pkg/utils/command/command_helper.go

@@ -0,0 +1,90 @@
+package command
+
+import (
+	"bufio"
+	"fmt"
+	"io/ioutil"
+	"os/exec"
+)
+
+func OnlyExec(cmdStr string) {
+	cmd := exec.Command("/bin/bash", "-c", cmdStr)
+	stdout, err := cmd.StdoutPipe()
+	if err != nil {
+		return
+	}
+	defer stdout.Close()
+	if err := cmd.Start(); err != nil {
+		return
+	}
+	cmd.Wait()
+	return
+}
+
+func ExecResultStrArray(cmdStr string) []string {
+	cmd := exec.Command("/bin/bash", "-c", cmdStr)
+	stdout, err := cmd.StdoutPipe()
+	if err != nil {
+		fmt.Println(err)
+		return nil
+	}
+	defer stdout.Close()
+	if err = cmd.Start(); err != nil {
+		fmt.Println(err)
+		return nil
+	}
+	//str, err := ioutil.ReadAll(stdout)
+	var networklist = []string{}
+	outputBuf := bufio.NewReader(stdout)
+	for {
+		output, _, err := outputBuf.ReadLine()
+		if err != nil {
+			if err.Error() != "EOF" {
+				fmt.Printf("Error :%s\n", err)
+			}
+			break
+		}
+		networklist = append(networklist, string(output))
+	}
+	cmd.Wait()
+	return networklist
+}
+
+func ExecResultStr(cmdStr string) string {
+	cmd := exec.Command("/bin/bash", "-c", cmdStr)
+	stdout, err := cmd.StdoutPipe()
+	if err != nil {
+		fmt.Println(err)
+		return ""
+	}
+	defer stdout.Close()
+	if err := cmd.Start(); err != nil {
+		fmt.Println(err)
+		return ""
+	}
+	str, err := ioutil.ReadAll(stdout)
+	cmd.Wait()
+	if err != nil {
+		fmt.Println(err)
+		return ""
+	}
+	return string(str)
+}
+
+//执行 lsblk 命令
+func ExecLSBLK() []byte {
+	output, err := exec.Command("lsblk", "-O", "-J", "-b").Output()
+	if err != nil {
+		return nil
+	}
+	return output
+}
+
+//执行 lsblk 命令
+func ExecLSBLKByPath(path string) []byte {
+	output, err := exec.Command("lsblk", path, "-O", "-J", "-b").Output()
+	if err != nil {
+		return nil
+	}
+	return output
+}