133 lines
4.7 KiB
PHP
133 lines
4.7 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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public bool $ready = false;
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/** @var array<int, array> notable systemd units (lazy-loaded over SSH) */
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public array $svcRows = [];
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/** Lazy: the SSH services read runs after the shell renders (wire:init). */
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public function load(FleetService $fleet): void
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{
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$this->svcRows = $this->liveServices($fleet, $this->activeServer());
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$this->ready = true;
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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, float|int $current, int $min = 16): array
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{
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if ($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) ($latest['load'] ?? 0);
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$cores = (int) ($latest['cores'] ?? ($active?->specs['cores'] ?? 1)) ?: 1;
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$hist = $active ? $fleet->history($active) : ['cpu' => [], 'mem' => [], 'disk' => [], 'load' => []];
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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 = $this->pad($hist['disk'], $disk);
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$loadSeries = $this->pad($hist['load'], $load);
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$pctTone = fn (int $v): string => $v >= 90 ? 'offline' : ($v >= 75 ? 'warning' : 'online');
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$loadRatio = $cores > 0 ? $load / $cores : $load;
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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' => $load,
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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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'cpuTone' => $pctTone($cpu),
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'memTone' => $pctTone($mem),
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'diskTone' => $pctTone($disk),
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'loadTone' => $loadRatio >= 1.0 ? 'offline' : ($loadRatio >= 0.7 ? 'warning' : 'online'),
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'memSub' => isset($latest['mem_total']) && $latest['mem_total'] > 0
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? number_format((float) $latest['mem_used'], 1, ',', '.').' / '.number_format((float) $latest['mem_total'], 1, ',', '.').' GB'
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: null,
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'diskSub' => isset($latest['disk_total']) && $latest['disk_total'] > 0
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? $latest['disk_used'].' / '.$latest['disk_total'].' GB'
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: null,
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'loadSub' => $cores.' '.($cores === 1 ? 'Kern' : 'Kerne'),
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'services' => $this->svcRows,
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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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