72 lines
2.6 KiB
PHP
72 lines
2.6 KiB
PHP
<?php
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namespace App\Services\Monitoring;
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use Illuminate\Support\Facades\Http;
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/**
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* Registers uptime targets with the configured monitoring service. If none is
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* configured, returns a deterministic id (no-op) so provisioning still records a
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* stable breadcrumb. Not unit-tested (live I/O).
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*/
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class HttpMonitoringClient implements MonitoringClient
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{
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public function registerTarget(string $name, string $url): string
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{
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$endpoint = (string) config('services.monitoring.url');
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if (blank($endpoint)) {
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return 'mon-'.substr(sha1($url), 0, 12);
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}
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$base = rtrim($endpoint, '/');
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$token = (string) config('services.monitoring.token');
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// Idempotent: reuse an existing monitor for this URL rather than creating
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// a duplicate when a crash retries after a prior successful POST.
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$existing = collect(Http::withToken($token)->get($base.'/monitors')->throw()->json('monitors', []))
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->first(fn ($monitor) => ($monitor['url'] ?? null) === $url);
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if ($existing !== null) {
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return (string) $existing['id'];
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}
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return (string) Http::withToken($token)
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->post($base.'/monitors', ['friendly_name' => $name, 'url' => $url, 'type' => 'https'])
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->throw()->json('monitor.id');
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}
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public function isHealthy(string $externalId): bool
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{
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// Unknown counts as healthy HERE, and only here: this is the
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// provisioning acceptance check, which must not fail a delivery because
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// monitoring is not set up.
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return $this->health($externalId) ?? true;
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}
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public function health(string $externalId): ?bool
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{
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$endpoint = (string) config('services.monitoring.url');
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if (blank($endpoint)) {
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return null; // nothing is watching, which is not the same as healthy
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}
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try {
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$monitor = Http::withToken((string) config('services.monitoring.token'))
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->get(rtrim($endpoint, '/').'/monitors/'.$externalId)->throw()->json('monitor', []);
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} catch (\Throwable) {
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return null; // the monitor is unreachable, which says nothing about the instance
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}
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return ($monitor['status'] ?? '') === 'up';
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}
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public function deregisterTarget(string $externalId): void
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{
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$endpoint = (string) config('services.monitoring.url');
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if (filled($endpoint)) {
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Http::withToken((string) config('services.monitoring.token'))
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->delete(rtrim($endpoint, '/').'/monitors/'.$externalId)->throw();
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}
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}
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}
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