75 lines
2.2 KiB
PHP
75 lines
2.2 KiB
PHP
<?php
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namespace App\Livewire;
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use App\Services\PrometheusService;
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use Filament\Support\RawJs;
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use LaraZeus\InlineChart\InlineChartWidget;
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use phpDocumentor\Reflection\Types\Null_;
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class MetricWidgetChart extends InlineChartWidget
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{
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private const MAX_POINTS = 24;
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protected static ?string $maxHeight = '65px';
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// public int $maxWidth = 1000;
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protected function getData(): array
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{
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$prometheus = new PrometheusService();
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$query1 = $this->record->name . '{data="real"}';
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$start = now()->now()->subMinutes(2)->timestamp;
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$end = now()->timestamp;
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$step = 5;
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$realdata = $prometheus->queryRange($query1, $start, $end, $step);
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// 检查查询结果是否有数据
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if (empty($realdata['data']['result'])) {
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// 如果没有数据，返回一个空数据集或提示信息
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return [
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'labels' => [],
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'datasets' => [],
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];
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}
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if (!empty($realdata['data']['result'][0]['values'][1])) {
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// 获取内存使用率数据
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$realdataValue = array_column($realdata['data']['result'][0]['values'], 1, 0);
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// 只保留最新的 MAX_POINTS 个数据点
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$timestamps = array_keys($realdataValue);
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$timestamps = array_slice($timestamps, -self::MAX_POINTS);
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foreach ($timestamps as $timestamp) {
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$labels[] = date('H:i:s', $timestamp); // 格式化时间戳为小时:分钟:秒
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$data[] = round(floatval($realdataValue[$timestamp]), 2); // 取出每个时间点的内存使用率，并保留两位小数
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}
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}
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// 将数据格式化为 InlineChartWidget 所需的格式
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// $formattedRealData = $this->formatData($realdata, 'Real Data');
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return [
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'labels' => $labels,
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'datasets' => [
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[
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'label' => $this->record->name,
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'data' => $data,
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'borderColor' => '#4CAF50',
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'backgroundColor' => 'rgba(76, 175, 80, 0.2)',
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'fill' => true,
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'tension' => 0.2,
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],
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],
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];
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}
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}
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