137 lines
4.2 KiB
PHP
137 lines
4.2 KiB
PHP
<?php
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namespace App\Filament\Widgets;
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use App\Services\PrometheusService;
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use Filament\Widgets\ChartWidget;
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class NetworkMonitor extends ChartWidget
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{
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protected static ?string $heading = '网络流量监控';
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protected static ?int $sort = 5;
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// 固定显示的数据点数
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private const MAX_POINTS = 6;
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// 定义下拉菜单选项
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protected function getFilters(): array
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{
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return [
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'upload' => '上传流量',
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'download' => '下载流量',
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];
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}
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protected function getData(): array
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{
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$prometheus = new PrometheusService();
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// 根据用户选择的过滤器决定查询的流量类型
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$selectedFilter = $this->filter ?? 'upload';
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$labels = [];
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$uploadData = [];
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$downloadData = [];
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if ($selectedFilter === 'upload') {
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// 查询过去 1 分钟内每秒的上传流量
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$uploadQuery = 'rate(node_network_transmit_bytes_total[1m])';
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$uploadResult = $prometheus->queryRange(
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$uploadQuery,
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now()->subMinutes(1)->timestamp,
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now()->timestamp,
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'5s' // 每秒一个数据点
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);
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if (!empty($uploadResult['data']['result'][0]['values'])) {
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$uploadValues = array_column($uploadResult['data']['result'][0]['values'], 1, 0);
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// 获取最新的数据点
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$timestamps = array_keys($uploadValues);
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$timestamps = array_slice($timestamps, -self::MAX_POINTS);
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foreach ($timestamps as $timestamp) {
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$labels[] = date('H:i:s', $timestamp); // 格式化时间戳为小时:分钟:秒
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$uploadData[] = round(floatval($uploadValues[$timestamp]) / (1024 * 1024), 2); // 转换为 MB/s
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}
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}
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}
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if ($selectedFilter === 'download') {
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// 查询过去 1 分钟内每秒的下载流量
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$downloadQuery = 'rate(node_network_receive_bytes_total[1m])';
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$downloadResult = $prometheus->queryRange(
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$downloadQuery,
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now()->subMinutes(1)->timestamp,
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now()->timestamp,
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'5s' // 每秒一个数据点
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);
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if (!empty($downloadResult['data']['result'][0]['values'])) {
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$downloadValues = array_column($downloadResult['data']['result'][0]['values'], 1, 0);
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// 获取最新的数据点
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$timestamps = array_keys($downloadValues);
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$timestamps = array_slice($timestamps, -self::MAX_POINTS);
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foreach ($timestamps as $timestamp) {
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$labels[] = date('H:i:s', $timestamp); // 格式化时间戳为小时:分钟:秒
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$downloadData[] = round(floatval($downloadValues[$timestamp]) / (1024 * 1024), 2); // 转换为 MB/s
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}
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}
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}
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// 处理显示的数据集
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$datasets = [];
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if ($selectedFilter === 'upload') {
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$datasets[] = [
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'label' => '上传流量 (MB/s)',
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'data' => $uploadData,
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'borderColor' => 'rgba(255, 99, 132, 0.6)',
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'backgroundColor' => 'rgba(255, 99, 132, 0.2)',
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'fill' => false,
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];
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}
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if ($selectedFilter === 'download') {
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$datasets[] = [
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'label' => '下载流量 (MB/s)',
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'data' => $downloadData,
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'borderColor' => 'rgba(54, 162, 235, 0.6)',
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'backgroundColor' => 'rgba(54, 162, 235, 0.2)',
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'fill' => false,
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];
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}
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return [
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'labels' => $labels,
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'datasets' => $datasets,
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];
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}
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protected function getType(): string
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{
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return 'line'; // 设置为折线图
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}
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protected function getOptions(): array
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{
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return [
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'scales' => [
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'y' => [
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'beginAtZero' => true,
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'min' => 0, // 设置 y 轴最小值
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],
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],
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];
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}
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protected function getPollingInterval(): ?string
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{
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return '5s'; // 每秒更新一次
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}
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}
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