119 lines
3.8 KiB
PHP
119 lines
3.8 KiB
PHP
<?php
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namespace App\Livewire;
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use App\Livewire\Concerns\WithFleetContext;
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use App\Models\AuditEvent;
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use App\Models\Server;
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use App\Services\FleetService;
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use Illuminate\Support\Facades\Cache;
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use Livewire\Attributes\Layout;
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use Livewire\Attributes\Title;
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use Livewire\Component;
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use Throwable;
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#[Layout('layouts.app')]
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#[Title('Clusev — Dashboard')]
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class Dashboard extends Component
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{
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use WithFleetContext;
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/** Deterministic wavy series — fallback sparkline for metrics without history. */
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private function series(float $base, int $n = 40, float $amp = 9): array
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{
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$out = [];
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for ($i = 0; $i < $n; $i++) {
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$v = $base + sin($i / 3.0) * $amp + sin($i / 6.5) * ($amp * 0.55) + cos($i / 2.0) * 2;
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$out[] = (int) max(2, min(98, round($v)));
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}
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return $out;
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}
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/** Pad a real history series to a minimum length for a stable sparkline. */
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private function pad(array $values, int $current, int $min = 16): array
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{
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$values = array_map('intval', $values);
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if ($values === []) {
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$values = [$current];
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}
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while (count($values) < $min) {
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array_unshift($values, $values[0]);
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}
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return $values;
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}
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/** @param array<int,int> $series */
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private function trend(array $series, string $suffix = '%'): array
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{
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$cur = (int) (end($series) ?: 0);
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$prev = (int) ($series[max(0, count($series) - 8)] ?? $cur);
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$d = $cur - $prev;
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return [
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'dir' => $d > 1 ? 'up' : ($d < -1 ? 'down' : 'flat'),
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'text' => ($d >= 0 ? '+' : '').$d.$suffix,
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];
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}
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/** A handful of notable systemd units (failed + running first), cached. */
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private function liveServices(FleetService $fleet, ?Server $active): array
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{
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if (! $active || ! $active->credential_exists) {
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return [];
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}
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try {
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$svc = Cache::remember("svc:{$active->id}", 30, fn () => $fleet->systemd($active, 1)['services']);
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} catch (Throwable) {
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return [];
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}
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$rank = fn (array $s): int => match ($s['sub']) {
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'failed' => 0,
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'running' => 1,
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default => 2,
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};
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usort($svc, fn ($a, $b) => [$rank($a), $a['name']] <=> [$rank($b), $b['name']]);
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return array_slice($svc, 0, 8);
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}
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public function render(FleetService $fleet)
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{
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$active = $this->activeServer();
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// Metrics come from the poller (DB + cache) — no SSH on web render.
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$latest = $active ? $fleet->latest($active) : null;
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$cpu = (int) ($latest['cpu'] ?? $active?->cpu ?? 0);
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$mem = (int) ($latest['mem'] ?? $active?->mem ?? 0);
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$disk = (int) ($latest['disk'] ?? $active?->disk ?? 0);
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$load = (float) ($latest['load'] ?? 0);
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$hist = $active ? $fleet->history($active) : ['cpu' => [], 'mem' => []];
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$cpuSeries = $this->pad($hist['cpu'], $cpu);
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$memSeries = $this->pad($hist['mem'], $mem);
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$diskSeries = $this->series(max(4, $disk), 40, 2);
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$loadSeries = $this->series(max(8, (int) round($load * 18)), 40, 6);
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return view('livewire.dashboard', [
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'active' => $active,
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'cpu' => $cpu,
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'mem' => $mem,
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'disk' => $disk,
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'load' => round($load, 2),
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'cpuSeries' => $cpuSeries,
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'memSeries' => $memSeries,
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'diskSeries' => $diskSeries,
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'loadSeries' => $loadSeries,
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'cpuTrend' => $this->trend($cpuSeries),
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'memTrend' => $this->trend($memSeries),
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'diskTrend' => $this->trend($diskSeries),
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'loadTrend' => $this->trend($loadSeries, ''),
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'services' => $this->liveServices($fleet, $active),
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'events' => AuditEvent::with('server')->latest()->limit(6)->get(),
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]);
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}
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}
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