demo/demo3.7/main.go

package main

import (
	"fmt"
	"strings"
)

func main() {
	// 原始脚本内容
	script := `#!ipxe
dhcp net2

set base-url    centos-7.9.2009/image #请替换为镜像所在的HTTP文件服务器地址
set ks-url   centos-7.9.2009   # 替换为你的 Kickstart 文件所在的 HTTP 服务器地址
set ks-file centos-7.9.2009.cfg

kernel ${base-url}/images/pxeboot/vmlinuz initrd=initrd.img inst.repo=${base-url} ip=dhcp ks=${ks-url}/${ks-file}  # 指定 Kickstart 文件的位置和参数
initrd ${base-url}/images/pxeboot/initrd.img
boot`

	// 新的base-url和ks-url
	newBaseURL := "http://192.168.16.121:8000/images/centos-7.9.2009/image/"
	newKSURL := "http://192.168.16.121:8000/images/centos-7.9.2009/"

	// 替换原始脚本中的set base-url和set ks-url
	script = strings.Replace(script, "set base-url    ", fmt.Sprintf("set base-url    %s", newBaseURL), 1)
	script = strings.Replace(script, "set ks-url   ", fmt.Sprintf("set ks-url   %s", newKSURL), 1)

	fmt.Println(script)
}