Jared Vititoe
7575d6a277
- Consolidate all 20 API files to use centralized Database helper - Add optimistic locking to ticket updates to prevent concurrent conflicts - Add caching to StatsModel (60s TTL) for dashboard performance - Add health check endpoint (api/health.php) for monitoring - Improve rate limit cleanup with cron script and efficient DirectoryIterator - Enable rate limit response headers (X-RateLimit-*) - Add audit logging for workflow transitions - Log Discord webhook failures instead of silencing - Fix visibility check on export_tickets.php - Add database migration system with performance indexes - Fix cron recurring tickets to use assignTicket method Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
111 lines
2.9 KiB
PHP
111 lines
2.9 KiB
PHP
<?php
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/**
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* Health Check Endpoint
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*
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* Returns system health status for monitoring tools.
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* Does not require authentication - suitable for load balancer health checks.
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*
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* Returns:
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* - 200 OK: System is healthy
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* - 503 Service Unavailable: System has issues
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*/
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// Don't apply rate limiting to health checks - they should always respond
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header('Content-Type: application/json');
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header('Cache-Control: no-cache, no-store, must-revalidate');
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$startTime = microtime(true);
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$checks = [];
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$healthy = true;
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// Check 1: Database connectivity
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try {
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require_once dirname(__DIR__) . '/config/config.php';
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require_once dirname(__DIR__) . '/helpers/Database.php';
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$conn = Database::getConnection();
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// Quick query to verify connection is actually working
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$result = $conn->query('SELECT 1');
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if ($result && $result->fetch_row()) {
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$checks['database'] = [
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'status' => 'ok',
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'message' => 'Connected'
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];
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} else {
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$checks['database'] = [
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'status' => 'error',
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'message' => 'Query failed'
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];
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$healthy = false;
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}
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} catch (Exception $e) {
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$checks['database'] = [
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'status' => 'error',
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'message' => 'Connection failed'
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];
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$healthy = false;
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}
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// Check 2: File system (uploads directory writable)
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$uploadDir = $GLOBALS['config']['UPLOAD_DIR'] ?? dirname(__DIR__) . '/uploads';
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if (is_dir($uploadDir) && is_writable($uploadDir)) {
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$checks['filesystem'] = [
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'status' => 'ok',
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'message' => 'Writable'
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];
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} else {
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$checks['filesystem'] = [
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'status' => 'warning',
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'message' => 'Upload directory not writable'
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];
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// Don't mark as unhealthy - this might be intentional
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}
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// Check 3: Session storage
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$sessionPath = session_save_path() ?: sys_get_temp_dir();
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if (is_dir($sessionPath) && is_writable($sessionPath)) {
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$checks['sessions'] = [
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'status' => 'ok',
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'message' => 'Writable'
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];
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} else {
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$checks['sessions'] = [
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'status' => 'error',
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'message' => 'Session storage not writable'
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];
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$healthy = false;
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}
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// Check 4: Rate limit storage
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$rateLimitDir = sys_get_temp_dir() . '/tinker_tickets_ratelimit';
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if (!is_dir($rateLimitDir)) {
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@mkdir($rateLimitDir, 0755, true);
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}
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if (is_dir($rateLimitDir) && is_writable($rateLimitDir)) {
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$checks['rate_limit'] = [
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'status' => 'ok',
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'message' => 'Writable'
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];
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} else {
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$checks['rate_limit'] = [
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'status' => 'warning',
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'message' => 'Rate limit storage not writable'
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];
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}
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// Calculate response time
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$responseTime = round((microtime(true) - $startTime) * 1000, 2);
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// Set status code
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http_response_code($healthy ? 200 : 503);
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// Return response
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echo json_encode([
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'status' => $healthy ? 'healthy' : 'unhealthy',
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'timestamp' => date('c'),
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'response_time_ms' => $responseTime,
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'checks' => $checks,
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'version' => '1.0.0'
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], JSON_PRETTY_PRINT);
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