65 lines
2.3 KiB
PHP
65 lines
2.3 KiB
PHP
<?php
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/**
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* 数据库连通性自检：只输出通/不通与来源文件名，绝不打印任何凭据。
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*
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* 环境重建后 mysql 容器换了名字，新后端 .env 里的账号密码可能已失效。
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* 这里依次拿几个项目的 .env 试连，用来定位到底哪套凭据还有效。
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*
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* 用法：php scripts/db-check.php
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*/
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$candidates = [
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'lgp-admin-plus-api/.env' => __DIR__ . '/../.env',
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'lgp-api/.env' => __DIR__ . '/../../lgp-api/.env',
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'lgp-wx-api/.env' => '/www/sites/lgp-wx-api/index/lgp-wx-api/.env',
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];
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function readEnv(string $path): array
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{
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if (!is_file($path)) {
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return [];
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}
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$values = [];
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foreach (file($path, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES) as $line) {
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$line = trim($line);
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if ($line === '' || str_starts_with($line, '#') || !str_contains($line, '=')) {
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continue;
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}
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[$key, $value] = explode('=', $line, 2);
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$values[trim($key)] = trim(trim($value), "\"'");
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}
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return $values;
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}
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$target = $argv[1] ?? null;
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// 环境重建后 host 也可能变了，所以每套凭据都对「自带 host」和「当前 mysql 容器」各试一次
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$hosts = ['mysql8'];
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foreach ($candidates as $label => $path) {
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$env = readEnv($path);
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if (empty($env)) {
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echo str_pad($label, 32) . " 文件不存在\n";
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continue;
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}
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$envHost = $env['DB_HOST'] ?? '127.0.0.1';
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foreach (array_unique([$envHost, ...$hosts]) as $host) {
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$port = $env['DB_PORT'] ?? '3306';
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$db = $target ?: ($env['DB_DATABASE'] ?? '');
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$user = $env['DB_USERNAME'] ?? 'root';
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try {
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$pdo = new PDO(
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"mysql:host={$host};port={$port};dbname={$db};charset=utf8mb4",
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$user,
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$env['DB_PASSWORD'] ?? '',
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[PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION, PDO::ATTR_TIMEOUT => 5]
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);
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$count = $pdo->query('SELECT COUNT(*) FROM information_schema.tables WHERE table_schema = DATABASE()')->fetchColumn();
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echo str_pad($label, 32) . " 可连接 host={$host} db={$db} 表数={$count}\n";
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} catch (Throwable $e) {
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$reason = preg_replace('/using password: (YES|NO)/', 'using password: ***', $e->getMessage());
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echo str_pad($label, 32) . " 连不上 host={$host} " . $reason . "\n";
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}
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}
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}
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