103 lines
3.9 KiB
PHP
103 lines
3.9 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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try {
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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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} catch (\Exception $e) {
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error_log('Failed to retrieve memory total: ' . $e->getMessage());
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$memoryTotal = 0;
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}
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try {
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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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} catch (\Exception $e) {
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error_log('Failed to retrieve memory available: ' . $e->getMessage());
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$memoryAvailable = 0;
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}
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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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try {
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// 获取硬盘总量
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$diskTotalQuery = 'node_filesystem_size_bytes{fstype!="rootfs",fstype!="tmpfs",fstype!="squashfs",mountpoint=~"/|/home|/boot"}';
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$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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} catch (\Exception $e) {
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error_log('Failed to retrieve disk total: ' . $e->getMessage());
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$diskTotal = 0;
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}
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try {
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// 获取已用硬盘
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$diskFreeQuery = 'node_filesystem_free_bytes{fstype!="rootfs",fstype!="tmpfs",fstype!="squashfs",mountpoint=~"/|/home|/boot"}';
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$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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} catch (\Exception $e) {
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error_log('Failed to retrieve disk free: ' . $e->getMessage());
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$diskFree = 0;
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}
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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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try {
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// 获取系统启动时间
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$uptimeQuery = 'node_boot_time_seconds';
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$uptimeResult = $prometheus->query($uptimeQuery);
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$bootTime = $uptimeResult['data']['result'][0]['value'][1] ?? 0;
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} catch (\Exception $e) {
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error_log('Failed to retrieve boot time: ' . $e->getMessage());
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$bootTime = 0;
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}
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$uptime = now()->timestamp - $bootTime;
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$uptimeDisplay = gmdate('H:i:s', $uptime);
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try {
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// 获取CPU核心数量
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$cpuCoresQuery = 'count(node_cpu_seconds_total{mode="system"})';
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$cpuCoresResult = $prometheus->query($cpuCoresQuery);
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$cpuCores = $cpuCoresResult['data']['result'][0]['value'][1] ?? 0;
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} catch (\Exception $e) {
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error_log('Failed to retrieve CPU cores: ' . $e->getMessage());
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$cpuCores = 0;
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}
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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('系统运行时间', $uptimeDisplay),
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BaseWidget\Stat::make('CPU核心数量', $cpuCores)
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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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