75 lines
2.7 KiB
PHP
75 lines
2.7 KiB
PHP
<?php
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namespace App\Console\Commands;
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use App\Models\Device;
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use Illuminate\Console\Command;
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use Illuminate\Support\Facades\Cache;
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use Illuminate\Support\Facades\Mail;
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class HealthCheck extends Command
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{
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protected $signature = 'heizung:healthcheck
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{--stale=5 : Minutes without data = alarm}
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{--notify= : Email address for alerts}
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{--sms= : Phone number for mail2sms}';
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protected $description = 'Check device liveness and alert on state changes';
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public function handle(): int
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{
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$stale = (int) $this->option('stale');
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$email = $this->option('notify') ?: env('HEALTHCHECK_EMAIL');
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$sms = $this->option('sms') ?: env('HEALTHCHECK_SMS');
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$th = now()->subMinutes($stale);
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$problems = 0;
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foreach (Device::all() as $d) {
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$down = !$d->last_seen_at || $d->last_seen_at->lt($th);
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$prev = Cache::get("hc:d:{$d->id}", 'ok');
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$new = $down ? 'down' : 'ok';
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$this->line("$d->name: $new");
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if ($new !== $prev) {
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$this->notify($d, $new, $email, $sms);
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Cache::put("hc:d:{$d->id}", $new, now()->addDays(30));
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}
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$problems += $down ? 1 : 0;
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}
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return $problems > 0 ? 1 : 0;
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}
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private function notify(Device $d, string $state, ?string $email, ?string $sms): void
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{
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if ($state === 'down') {
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$subj = "[ALARM] Heizung {$d->name} offline";
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$body = "'{$d->name}' seit ".($d->last_seen_at?->diffForHumans() ?? 'immer').
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" keine Daten.\nLast seen: ".($d->last_seen_at?->toDateTimeString() ?? 'nie');
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} else {
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$subj = "[OK] Heizung {$d->name} wieder online";
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$body = "'{$d->name}' liefert wieder Daten.\nLast seen: ".$d->last_seen_at?->toDateTimeString();
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}
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if ($email) $this->sendMail($email, $subj, $body);
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if ($sms) $this->sendSms($sms, $subj, $body);
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$this->warn("notify: $subj");
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}
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private function sendMail(string $to, string $subj, string $body): void
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{
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try {
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Mail::raw($body, function ($m) use ($to, $subj) {
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$m->to($to)->subject($subj);
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});
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} catch (\Throwable $e) {
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$this->error("Mail failed: ".$e->getMessage());
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}
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}
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private function sendSms(string $number, string $subj, string $body): void
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{
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// mail2sms Gateway: subject=Nummer, body=Text
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try {
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Mail::raw(substr($subj.' '.$body, 0, 140), function ($m) use ($number) {
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$m->to('mail2sms@dimedtec.net')->subject($number);
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});
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} catch (\Throwable $e) {
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$this->error("SMS failed: ".$e->getMessage());
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}
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}
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}
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