75 lines
3.0 KiB
PHP
75 lines
3.0 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\StatsOverviewWidget as BaseWidget;
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class SystemStats extends BaseWidget
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{
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protected static ?int $sort = 3;
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protected function getCards(): array
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{
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$prometheus = new PrometheusService();
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// 获取内存总量
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$memoryTotalQuery = 'node_memory_MemTotal_bytes';
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$memoryTotalResult = $prometheus->query($memoryTotalQuery);
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$memoryTotal = $memoryTotalResult['data']['result'][0]['value'][1] ?? 0;
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// 获取已用内存
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$memoryAvailableQuery = 'node_memory_MemAvailable_bytes';
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$memoryAvailableResult = $prometheus->query($memoryAvailableQuery);
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$memoryAvailable = $memoryAvailableResult['data']['result'][0]['value'][1] ?? 0;
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$memoryUsed = $memoryTotal - $memoryAvailable;
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$memoryDisplay = round($memoryUsed / (1024 * 1024 * 1024), 2) . ' GB / ' . round($memoryTotal / (1024 * 1024 * 1024), 2) . ' GB';
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// 获取硬盘总量
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$diskTotalQuery = 'node_filesystem_size_bytes{fstype!="rootfs",fstype!="tmpfs",fstype!="squashfs"}';
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$diskTotalResult = $prometheus->query($diskTotalQuery);
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$diskTotal = array_sum(array_map(function ($item) {
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return $item['value'][1] ?? 0;
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}, $diskTotalResult['data']['result']));
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// 获取已用硬盘
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$diskFreeQuery = 'node_filesystem_free_bytes{fstype!="rootfs",fstype!="tmpfs",fstype!="squashfs"}';
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$diskFreeResult = $prometheus->query($diskFreeQuery);
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$diskFree = array_sum(array_map(function ($item) {
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return $item['value'][1] ?? 0;
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}, $diskFreeResult['data']['result']));
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$diskUsed = $diskTotal - $diskFree;
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$diskDisplay = round($diskUsed / (1024 * 1024 * 1024), 2) . ' GB / ' . round($diskTotal / (1024 * 1024 * 1024), 2) . ' GB';
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// 获取网络上下行流量
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$networkTransmitQuery = 'rate(node_network_transmit_bytes_total[1m])';
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$networkTransmitResult = $prometheus->query($networkTransmitQuery);
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$networkTransmit = round(array_sum(array_map(function ($item) {
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return $item['value'][1] ?? 0;
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}, $networkTransmitResult['data']['result'])) / (1024 * 1024), 2);
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$networkReceiveQuery = 'rate(node_network_receive_bytes_total[1m])';
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$networkReceiveResult = $prometheus->query($networkReceiveQuery);
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$networkReceive = round(array_sum(array_map(function ($item) {
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return $item['value'][1] ?? 0;
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}, $networkReceiveResult['data']['result'])) / (1024 * 1024), 2);
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$networkDisplay = "上行: {$networkTransmit} MB/s\n下行: {$networkReceive} MB/s";
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return [
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BaseWidget\Stat::make('内存占用', $memoryDisplay),
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BaseWidget\Stat::make('硬盘占用', $diskDisplay),
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BaseWidget\Stat::make('网络流量', $networkDisplay),
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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 "1s";
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}
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}
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