init 全新仓库，清除全部历史
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# Node Exporter批量安装主机列表
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# 格式：每行一个主机，支持以下格式：
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# 1. 仅IP地址（默认端口22）
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# 2. IP:端口（指定SSH端口）
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# 3. #开头的行是注释，会被忽略
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# 4. 空行会被忽略
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# 示例：
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# 192.168.1.10
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# 192.168.1.11:2222
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# 192.168.1.12
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# 请在下方添加您的主机：
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10.150.10.83
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10.150.10.86
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10.150.10.87
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@@ -0,0 +1,177 @@
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<!DOCTYPE html>
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<html lang="zh-CN">
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<head>
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<meta charset="UTF-8">
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<title>Node Exporter 可视化管理面板</title>
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<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
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</head>
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<body class="container mt-4">
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<h2 class="text-center mb-4">Node Exporter 批量管理面板</h2>
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<!-- 单台主机操作区域 -->
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<div class="card mb-4">
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<div class="card-header">单台主机安装/卸载</div>
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<div class="card-body row g-3">
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<div class="col-auto">
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<label>主机IP</label>
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<input type="text" id="host" class="form-control" placeholder="10.150.10.83">
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</div>
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<div class="col-auto">
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<label>SSH端口</label>
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<input type="text" id="ssh_port" class="form-control" value="22">
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</div>
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<div class="col-auto">
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<label>用户名</label>
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<input type="text" id="user" class="form-control" value="root">
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</div>
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<div class="col-auto">
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<label>密码</label>
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<input type="password" id="pwd" class="form-control" placeholder="留空使用密钥">
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</div>
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<div class="col-auto align-self-end">
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<button class="btn btn-success" onclick="singleInstall()">单台安装</button>
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<button class="btn btn-danger" onclick="singleUninstall()">单台卸载</button>
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<button class="btn btn-info" onclick="sshDiag()">SSH连通诊断</button>
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</div>
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</div>
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</div>
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<!-- 批量操作区域 -->
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<div class="card mb-4">
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<div class="card-header">批量操作（读取node_exporter_hosts.txt）</div>
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<div class="card-body">
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<button class="btn btn-primary me-2" onclick="batchInstall()">批量安装</button>
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<button class="btn btn-warning me-2" onclick="batchUninstall()">批量卸载</button>
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<button class="btn btn-secondary me-2" onclick="getHosts()">刷新主机列表</button>
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<button class="btn btn-dark" onclick="restartProm()">重启Prometheus</button>
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<hr>
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<h5>主机清单预览</h5>
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<pre id="hosts_text" class="bg-light p-2"></pre>
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</div>
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</div>
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<!-- 执行日志输出 -->
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<div class="card">
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<div class="card-header">执行实时日志</div>
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<div class="card-body">
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<textarea id="log_box" class="form-control bg-black text-white" rows="15" readonly></textarea>
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</div>
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</div>
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<script>
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function log(msg) {
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const box = document.getElementById('log_box');
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const time = new Date().toLocaleString();
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if (msg === null || msg === undefined || msg === "") {
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msg = "命令无输出或执行返回空";
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}
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box.value += `[${time}] ${msg}\n`;
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box.scrollTop = box.scrollHeight;
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}
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// 统一处理接口返回
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async function fetchApi(url) {
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try {
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const res = await fetch(url);
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if (!res.ok) {
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log("接口请求失败，HTTP状态码：" + res.status);
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return null;
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}
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const data = await res.json();
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return data;
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} catch (e) {
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log("网络/解析异常：" + e.message);
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return null;
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}
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}
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// 单台安装
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async function singleInstall() {
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const host = document.getElementById('host').value.trim();
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const sp = document.getElementById('ssh_port').value.trim();
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const user = document.getElementById('user').value.trim();
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const pwd = document.getElementById('pwd').value;
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if (!host) {
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log("错误：请填写主机IP");
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return;
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}
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log("开始执行单台安装：" + host);
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const data = await fetchApi(`/api/single/install?host=${host}&ssh_port=${sp}&user=${user}&pwd=${pwd}`);
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if (!data) return;
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log(data.Msg);
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if(data.Code === 1) log("执行错误：" + data.Err);
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}
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// 单台卸载
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async function singleUninstall() {
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const host = document.getElementById('host').value.trim();
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const sp = document.getElementById('ssh_port').value.trim();
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const user = document.getElementById('user').value.trim();
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const pwd = document.getElementById('pwd').value;
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if (!host) {
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log("错误：请填写主机IP");
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return;
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}
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log("开始执行单台卸载：" + host);
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const data = await fetchApi(`/api/single/uninstall?host=${host}&ssh_port=${sp}&user=${user}&pwd=${pwd}`);
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if (!data) return;
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log(data.Msg);
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if(data.Code === 1) log("执行错误：" + data.Err);
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}
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// 批量安装
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async function batchInstall() {
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log("开始批量安装所有清单主机");
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const data = await fetchApi("/api/batch/install");
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if (!data) return;
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log(data.Msg);
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if(data.Code === 1) log("执行错误：" + data.Err);
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}
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// 批量卸载
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async function batchUninstall() {
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log("开始批量卸载所有清单主机");
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const data = await fetchApi("/api/batch/uninstall");
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if (!data) return;
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log(data.Msg);
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if(data.Code === 1) log("执行错误：" + data.Err);
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}
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// 刷新主机列表
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async function getHosts() {
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const data = await fetchApi("/api/hosts/list");
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if (!data) return;
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document.getElementById('hosts_text').innerText = data.Msg;
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}
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// 重启Prometheus
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async function restartProm() {
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log("执行Prometheus重启");
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const data = await fetchApi("/api/prom/restart");
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if (!data) return;
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log(data.Msg);
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if(data.Code === 1) log("执行错误：" + data.Err);
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}
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// SSH诊断
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async function sshDiag() {
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const host = document.getElementById('host').value.trim();
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const sp = document.getElementById('ssh_port').value.trim();
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const user = document.getElementById('user').value.trim();
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const pwd = document.getElementById('pwd').value;
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if (!host) {
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log("错误：请填写主机IP");
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return;
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}
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log("开始SSH连通诊断：" + host);
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const data = await fetchApi(`/api/ssh/diag?host=${host}&ssh_port=${sp}&user=${user}&pwd=${pwd}`);
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if (!data) return;
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log(data.Msg);
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if(data.Code === 1) log("执行错误：" + data.Err);
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}
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// 页面加载自动刷新主机列表
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window.onload = getHosts;
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</script>
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</body>
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</html>
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Executable
+188
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package main
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import (
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"encoding/json"
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"fmt"
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"net"
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"net/http"
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"os/exec"
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"strings"
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)
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// 执行shell命令，返回完整输出
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func runShell(cmdStr string) (string, error) {
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args := strings.Fields(cmdStr)
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cmd := exec.Command(args[0], args[1:]...)
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out, err := cmd.CombinedOutput()
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return string(out), err
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}
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// 统一返回JSON结构
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type Resp struct {
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Code int `json:"code"`
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Msg string `json:"msg"`
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Err string `json:"err,omitempty"`
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}
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// 单节点安装接口
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func singleInstallHandler(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Content-Type", "application/json")
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w.Header().Set("Access-Control-Allow-Origin", "*")
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r.ParseForm()
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host := r.Form.Get("host")
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sshPort := r.Form.Get("ssh_port")
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user := r.Form.Get("user")
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pwd := r.Form.Get("pwd")
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cmd := fmt.Sprintf("./install_node_exporter.sh --cli --action single-install --host %s --ssh-port %s --user %s --pwd %s", host, sshPort, user, pwd)
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output, err := runShell(cmd)
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resp := Resp{Code: 0, Msg: output}
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if err != nil {
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resp.Code = 1
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resp.Err = err.Error()
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}
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json.NewEncoder(w).Encode(resp)
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}
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// 单节点卸载接口
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func singleUninstallHandler(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Content-Type", "application/json")
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w.Header().Set("Access-Control-Allow-Origin", "*")
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r.ParseForm()
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host := r.Form.Get("host")
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sshPort := r.Form.Get("ssh_port")
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user := r.Form.Get("user")
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pwd := r.Form.Get("pwd")
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cmd := fmt.Sprintf("./install_node_exporter.sh --cli --action single-uninstall --host %s --ssh-port %s --user %s --pwd %s", host, sshPort, user, pwd)
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output, err := runShell(cmd)
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resp := Resp{Code: 0, Msg: output}
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if err != nil {
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resp.Code = 1
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resp.Err = err.Error()
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}
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json.NewEncoder(w).Encode(resp)
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}
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// 批量安装接口
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func batchInstallHandler(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Content-Type", "application/json")
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w.Header().Set("Access-Control-Allow-Origin", "*")
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cmd := "./install_node_exporter.sh --cli --action batch-install"
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output, err := runShell(cmd)
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resp := Resp{Code: 0, Msg: output}
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if err != nil {
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resp.Code = 1
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resp.Err = err.Error()
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}
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json.NewEncoder(w).Encode(resp)
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}
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// 批量卸载接口
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func batchUninstallHandler(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Content-Type", "application/json")
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w.Header().Set("Access-Control-Allow-Origin", "*")
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cmd := "./install_node_exporter.sh --cli --action batch-uninstall"
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output, err := runShell(cmd)
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resp := Resp{Code: 0, Msg: output}
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if err != nil {
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resp.Code = 1
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resp.Err = err.Error()
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}
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json.NewEncoder(w).Encode(resp)
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}
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// 获取hosts主机列表
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func getHostsHandler(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Content-Type", "application/json")
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w.Header().Set("Access-Control-Allow-Origin", "*")
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cmd := "./install_node_exporter.sh --cli --action get-hosts"
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output, err := runShell(cmd)
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resp := Resp{Code: 0, Msg: output}
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if err != nil {
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resp.Code = 1
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resp.Err = err.Error()
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}
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json.NewEncoder(w).Encode(resp)
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}
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// 重启Prometheus
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func restartPromHandler(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Content-Type", "application/json")
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w.Header().Set("Access-Control-Allow-Origin", "*")
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cmd := "./install_node_exporter.sh --cli --action restart-prom"
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output, err := runShell(cmd)
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resp := Resp{Code: 0, Msg: output}
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if err != nil {
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resp.Code = 1
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resp.Err = err.Error()
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}
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json.NewEncoder(w).Encode(resp)
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}
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// SSH诊断接口
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func diagSshHandler(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Content-Type", "application/json")
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w.Header().Set("Access-Control-Allow-Origin", "*")
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r.ParseForm()
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host := r.Form.Get("host")
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sshPort := r.Form.Get("ssh_port")
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user := r.Form.Get("user")
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pwd := r.Form.Get("pwd")
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cmd := fmt.Sprintf("./install_node_exporter.sh --cli --action diag-ssh --host %s --ssh-port %s --user %s --pwd %s", host, sshPort, user, pwd)
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output, err := runShell(cmd)
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resp := Resp{Code: 0, Msg: output}
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if err != nil {
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resp.Code = 1
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resp.Err = err.Error()
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}
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json.NewEncoder(w).Encode(resp)
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}
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func main() {
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// API路由
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http.HandleFunc("/api/single/install", singleInstallHandler)
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http.HandleFunc("/api/single/uninstall", singleUninstallHandler)
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http.HandleFunc("/api/batch/install", batchInstallHandler)
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http.HandleFunc("/api/batch/uninstall", batchUninstallHandler)
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http.HandleFunc("/api/hosts/list", getHostsHandler)
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http.HandleFunc("/api/prom/restart", restartPromHandler)
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http.HandleFunc("/api/ssh/diag", diagSshHandler)
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// 静态前端页面
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http.Handle("/", http.FileServer(http.Dir("./static")))
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localIP := getLocalIP()
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fmt.Printf("Web管理面板启动成功，监听 0.0.0.0:808\n访问地址：http://%s:808\n", localIP)
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err := http.ListenAndServe("0.0.0.0:808", nil)
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if err != nil {
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fmt.Println("服务启动失败:", err)
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}
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}
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// 获取本机内网IP（简易工具）
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func getLocalIP() string {
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addrs, err := net.InterfaceAddrs()
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if err != nil {
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return "服务器IP"
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}
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for _, addr := range addrs {
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if ipNet, ok := addr.(*net.IPNet); ok && !ipNet.IP.IsLoopback() {
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if ipNet.IP.To4() != nil {
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return ipNet.IP.String()
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}
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}
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}
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return "服务器IP"
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}
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Reference in New Issue
Block a user