140 lines
4.9 KiB
Plaintext
140 lines
4.9 KiB
Plaintext
<?php
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session_start();
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// 未登录直接拒绝所有接口访问
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if(empty($_SESSION['user_id'])){
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header("Content-Type:application/json;charset=utf-8");
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echo json_encode(["code"=>401,"msg"=>"未登录，请前往登录页面"]);
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exit;
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}
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// 统一数据库配置
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$dbHost = "10.150.117.190";
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$dbUser = "root";
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$dbPass = "hp93000";
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$dbName = "alert_mail_stat";
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// 统一数据库连接函数
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function getDbConn() {
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global $dbHost, $dbUser, $dbPass, $dbName;
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$conn = mysqli_connect($dbHost, $dbUser, $dbPass, $dbName);
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mysqli_set_charset($conn, "utf8mb4");
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return $conn;
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}
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$act = $_GET['act'] ?? '';
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// CSV导出接口（独立流式下载，不输出JSON头）
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if ($act === "export_csv") {
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$conn = getDbConn();
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if (!$conn) {
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header("Content-Type:text/html;charset=utf-8");
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echo "数据库连接失败：" . mysqli_connect_error();
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exit;
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}
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$today = date("Y-m-d");
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$sql = "SELECT alert_type,alert_name,instance,severity,starts_at,receive_time
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FROM alert_log WHERE DATE(receive_time) = '$today' ORDER BY receive_time DESC";
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$res = mysqli_query($conn, $sql);
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ob_clean();
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header("Content-Type: text/csv; charset=utf-8");
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header("Content-Disposition: attachment; filename=告警报表_" . $today . ".csv");
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echo "\xEF\xBB\xBF";
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$header = ["告警状态", "告警名称", "实例", "级别", "故障开始时间", "接收时间"];
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echo implode(",", $header) . "\r\n";
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while ($row = mysqli_fetch_assoc($res)) {
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$status = $row['alert_type'] == 1 ? "触发" : "恢复";
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$line = [
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$status,
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$row['alert_name'],
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$row['instance'],
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$row['severity'],
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$row['starts_at'],
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$row['receive_time']
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];
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foreach ($line as &$v) {
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$v = '"' . str_replace('"', '""', $v) . '"';
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}
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echo implode(",", $line) . "\r\n";
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}
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mysqli_close($conn);
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exit;
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}
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// 所有JSON接口统一返回头
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header("Content-Type:application/json;charset=utf-8");
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$conn = getDbConn();
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if (!$conn) {
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echo json_encode(["code" => 500, "msg" => "数据库连接失败：" . mysqli_connect_error()], JSON_UNESCAPED_UNICODE);
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exit;
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}
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$today = date("Y-m-d");
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// 1. 今日统计卡片
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if ($act === "day_total") {
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$sql = "SELECT
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SUM(IF(alert_type=1,1,0)) as fire_count,
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SUM(IF(alert_type=2,1,0)) as resolve_count,
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COUNT(DISTINCT instance) as instance_num
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FROM alert_log WHERE DATE(receive_time) = '$today'";
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$data = mysqli_fetch_assoc(mysqli_query($conn, $sql));
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echo json_encode($data, JSON_UNESCAPED_UNICODE);
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mysqli_close($conn);
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exit;
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}
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// 2. 今日告警TOP10图表
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if ($act === "top_alert") {
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$sql = "SELECT alert_name,COUNT(*) cnt FROM alert_log WHERE DATE(receive_time)='$today' GROUP BY alert_name ORDER BY cnt DESC LIMIT 10";
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$list = [];
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$q = mysqli_query($conn, $sql);
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while ($r = mysqli_fetch_assoc($q)) $list[] = $r;
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echo json_encode($list, JSON_UNESCAPED_UNICODE);
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mysqli_close($conn);
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exit;
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}
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// 3. 今日全量告警明细表格
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if ($act === "log_list") {
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$sql = "SELECT alert_type,alert_name,instance,severity,starts_at,ends_at,receive_time
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FROM alert_log WHERE DATE(receive_time)='$today' ORDER BY receive_time DESC";
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$list = [];
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$q = mysqli_query($conn, $sql);
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while ($r = mysqli_fetch_assoc($q)) $list[] = $r;
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echo json_encode($list, JSON_UNESCAPED_UNICODE);
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mysqli_close($conn);
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exit;
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}
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// 4. 全局跨天未恢复告警【修复版：只看每条告警最新状态，兼容低版本MariaDB】
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if ($act === "active_firing") {
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// 第一步：分组获取每个告警+实例的最新入库时间
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$maxSql = "SELECT alert_name,instance,MAX(receive_time) max_rt FROM alert_log GROUP BY alert_name,instance";
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$maxRes = mysqli_query($conn, $maxSql);
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$activeList = [];
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while ($maxRow = mysqli_fetch_assoc($maxRes)) {
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// 转义防止SQL注入
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$an = $conn->real_escape_string($maxRow['alert_name']);
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$ins = $conn->real_escape_string($maxRow['instance']);
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$mrt = $conn->real_escape_string($maxRow['max_rt']);
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// 根据告警名、实例、最新时间取出最后一条记录
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$rowSql = "SELECT alert_name,instance,severity,starts_at,receive_time,alert_type
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FROM alert_log
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WHERE alert_name='$an' AND instance='$ins' AND receive_time='$mrt'";
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$rowRes = mysqli_query($conn, $rowSql);
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$data = mysqli_fetch_assoc($rowRes);
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// 仅最后一条状态为触发，才判定为当前活跃未恢复告警
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if ($data && (int)$data['alert_type'] === 1) {
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$activeList[] = $data;
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}
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}
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echo json_encode($activeList, JSON_UNESCAPED_UNICODE);
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mysqli_close($conn);
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exit;
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}
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// 非法请求兜底
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echo json_encode(["code" => 400, "msg" => "无效请求参数act"], JSON_UNESCAPED_UNICODE);
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mysqli_close($conn);
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?>
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