64 lines
2.3 KiB
PHP
64 lines
2.3 KiB
PHP
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<?php
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declare(strict_types=1);
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namespace Mod\Names\Controllers;
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use Illuminate\Routing\Controller;
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use Mod\Chain\Services\DaemonRpc;
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use Mod\Gateway\Services\GatewayRegistry;
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use Mod\Names\Models\DnsTicket;
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use Mod\Names\Models\NameClaim;
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/**
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* Prometheus metrics endpoint.
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*
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* GET /v1/metrics
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*
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* Returns Prometheus text exposition format for Grafana scraping.
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*/
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class MetricsController extends Controller
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{
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public function __invoke(DaemonRpc $rpc, GatewayRegistry $registry): \Illuminate\Http\Response
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{
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$info = $rpc->getInfo();
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$offline = isset($info['_offline']);
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$lines = [];
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$lines[] = '# HELP lthn_chain_height Current blockchain height';
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$lines[] = '# TYPE lthn_chain_height gauge';
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$lines[] = 'lthn_chain_height ' . ($info['height'] ?? 0);
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$lines[] = '# HELP lthn_alias_count Total registered aliases';
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$lines[] = '# TYPE lthn_alias_count gauge';
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$lines[] = 'lthn_alias_count ' . ($info['alias_count'] ?? 0);
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$lines[] = '# HELP lthn_tx_pool_size Pending transactions';
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$lines[] = '# TYPE lthn_tx_pool_size gauge';
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$lines[] = 'lthn_tx_pool_size ' . ($info['tx_pool_size'] ?? 0);
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$lines[] = '# HELP lthn_daemon_online Daemon reachability';
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$lines[] = '# TYPE lthn_daemon_online gauge';
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$lines[] = 'lthn_daemon_online ' . ($offline ? 0 : 1);
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$lines[] = '# HELP lthn_claims_pending Pending name claims';
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$lines[] = '# TYPE lthn_claims_pending gauge';
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$lines[] = 'lthn_claims_pending ' . NameClaim::pending()->count();
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$lines[] = '# HELP lthn_claims_total Total name claims';
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$lines[] = '# TYPE lthn_claims_total counter';
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$lines[] = 'lthn_claims_total ' . NameClaim::count();
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$lines[] = '# HELP lthn_dns_tickets_pending Pending DNS tickets';
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$lines[] = '# TYPE lthn_dns_tickets_pending gauge';
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$lines[] = 'lthn_dns_tickets_pending ' . DnsTicket::pending()->count();
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$lines[] = '# HELP lthn_gateways_live Live paired gateways';
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$lines[] = '# TYPE lthn_gateways_live gauge';
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$lines[] = 'lthn_gateways_live ' . count($registry->liveGateways());
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return response(implode("\n", $lines) . "\n", 200)
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->header('Content-Type', 'text/plain; charset=utf-8');
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}
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}
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