570 lines
19 KiB
JavaScript
570 lines
19 KiB
JavaScript
#!/usr/bin/env node
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import {spawnSync} from 'node:child_process';
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import {createHash, createHmac} from 'node:crypto';
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import {createReadStream, existsSync, mkdirSync, readFileSync, rmSync, statSync, writeFileSync} from 'node:fs';
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import {basename, dirname, isAbsolute, resolve} from 'node:path';
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import {fileURLToPath} from 'node:url';
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const __filename = fileURLToPath(import.meta.url);
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const __dirname = dirname(__filename);
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const REPO_ROOT = resolve(__dirname, '..');
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const DEFAULT_LOCAL_DATA_DIR = resolve(REPO_ROOT, 'server-rs/.spacetimedb/local/data');
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const DEFAULT_LOCAL_WORK_DIR = resolve(REPO_ROOT, 'server-rs/.data/database-backups');
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const DEFAULT_PRODUCTION_DATA_DIR = '/stdb';
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const DEFAULT_PRODUCTION_WORK_DIR = '/var/lib/genarrative/database-backups';
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const OSS_ALGORITHM = 'OSS4-HMAC-SHA256';
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const OSS_SERVICE = 'oss';
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const OSS_REQUEST = 'aliyun_v4_request';
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const UNSIGNED_PAYLOAD = 'UNSIGNED-PAYLOAD';
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function usage() {
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console.log(`用法:
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npm run database:backup:oss -- [--data-dir <path>] [--work-dir <path>] [--bucket <bucket>] [--object-prefix <prefix>] [--keep-local]
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node scripts/database-backup-to-oss.mjs [--stop-service spacetimedb.service] [--defer-upload]
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node scripts/database-backup-to-oss.mjs --upload-archive <path>
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说明:
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将 SpacetimeDB 数据目录打包成 .tar.gz，并上传到阿里云 OSS 指定 bucket。
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--defer-upload 只生成本地冷备份和 manifest，不上传；后续用 --upload-archive 异步上传。
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默认读取 .env / .env.local / .env.secrets.local；生产服务可传 --env-file /etc/genarrative/api-server.env。
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shell 环境变量优先级最高，不会被 env 文件覆盖。
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常用环境变量:
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GENARRATIVE_DATABASE_BACKUP_DATA_DIR 数据目录；生产建议 /stdb
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GENARRATIVE_DATABASE_BACKUP_WORK_DIR 本地临时备份目录；生产建议 /var/lib/genarrative/database-backups
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GENARRATIVE_DATABASE_BACKUP_OSS_BUCKET 备份 bucket；未设置时回退 ALIYUN_OSS_BUCKET
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GENARRATIVE_DATABASE_BACKUP_OSS_PREFIX 对象前缀，默认 database-backups
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GENARRATIVE_DATABASE_BACKUP_OSS_ENDPOINT OSS endpoint；未设置时回退 ALIYUN_OSS_ENDPOINT
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GENARRATIVE_DATABASE_BACKUP_KEEP_LOCAL true 时保留本地 tar.gz
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ALIYUN_OSS_ACCESS_KEY_ID / ALIYUN_OSS_ACCESS_KEY_SECRET
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`);
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}
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function loadEnvFile(filePath, target, protectedKeys) {
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if (!existsSync(filePath)) {
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return;
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}
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const rawText = readFileSync(filePath, 'utf8');
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for (const rawLine of rawText.split(/\r?\n/u)) {
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const line = rawLine.trim();
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if (!line || line.startsWith('#')) {
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continue;
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}
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const match = line.match(/^([A-Za-z_][A-Za-z0-9_]*)=(.*)$/u);
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if (!match) {
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continue;
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}
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const [, key, rawValue] = match;
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if (protectedKeys.has(key)) {
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continue;
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}
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target[key] = rawValue.replace(/^['"]|['"]$/gu, '');
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}
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}
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function loadRepoEnv() {
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const env = {...process.env};
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const protectedKeys = new Set(
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Object.entries(process.env)
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.filter(([, value]) => String(value ?? '').trim())
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.map(([key]) => key),
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);
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for (const fileName of ['.env', '.env.local', '.env.secrets.local']) {
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loadEnvFile(resolve(REPO_ROOT, fileName), env, protectedKeys);
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}
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return env;
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}
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function loadEffectiveEnv(envFiles) {
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const env = loadRepoEnv();
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const protectedKeys = new Set(
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Object.entries(process.env)
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.filter(([, value]) => String(value ?? '').trim())
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.map(([key]) => key),
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);
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for (const filePath of envFiles) {
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loadEnvFile(resolvePath(filePath), env, protectedKeys);
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}
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return env;
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}
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function parseArgs(argv) {
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const options = {
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dataDir: '',
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workDir: '',
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bucket: '',
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endpoint: '',
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objectPrefix: '',
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accessKeyId: '',
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accessKeySecret: '',
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envFiles: [],
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keepLocal: false,
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stopService: '',
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database: '',
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dryRun: false,
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deferUpload: false,
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uploadArchive: '',
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manifestFile: '',
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objectKey: '',
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resultFile: '',
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};
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for (let index = 0; index < argv.length; index += 1) {
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const arg = argv[index];
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const readValue = () => {
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const value = argv[index + 1];
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if (!value || value.startsWith('--')) {
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throw new Error(`${arg} 缺少参数值`);
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}
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index += 1;
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return value;
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};
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switch (arg) {
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case '--help':
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case '-h':
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usage();
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process.exit(0);
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break;
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case '--data-dir':
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options.dataDir = readValue();
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break;
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case '--work-dir':
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options.workDir = readValue();
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break;
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case '--bucket':
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options.bucket = readValue();
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break;
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case '--endpoint':
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options.endpoint = readValue();
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break;
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case '--object-prefix':
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options.objectPrefix = readValue();
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break;
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case '--object-key':
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options.objectKey = readValue();
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break;
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case '--access-key-id':
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options.accessKeyId = readValue();
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break;
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case '--access-key-secret':
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options.accessKeySecret = readValue();
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break;
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case '--env-file':
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options.envFiles.push(readValue());
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break;
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case '--database':
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options.database = readValue();
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break;
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case '--stop-service':
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options.stopService = readValue();
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break;
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case '--keep-local':
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options.keepLocal = true;
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break;
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case '--dry-run':
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options.dryRun = true;
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break;
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case '--defer-upload':
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options.deferUpload = true;
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options.keepLocal = true;
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break;
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case '--upload-archive':
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options.uploadArchive = readValue();
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break;
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case '--manifest-file':
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options.manifestFile = readValue();
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break;
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case '--result-file':
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options.resultFile = readValue();
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break;
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default:
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throw new Error(`未知参数: ${arg}`);
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}
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}
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return options;
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}
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function firstNonEmpty(...values) {
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return values.map((value) => String(value ?? '').trim()).find(Boolean) ?? '';
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}
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function resolvePath(value) {
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return isAbsolute(value) ? value : resolve(REPO_ROOT, value);
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}
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function normalizeEndpoint(raw) {
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return String(raw ?? '')
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.trim()
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.replace(/^https?:\/\//u, '')
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.replace(/\/+$/u, '');
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}
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function sanitizeObjectPart(value, fallback) {
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const sanitized = String(value ?? '')
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.trim()
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.toLowerCase()
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.replace(/[^a-z0-9._-]+/gu, '-')
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.replace(/-+/gu, '-')
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.replace(/^-|-$/gu, '');
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return sanitized || fallback;
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}
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function timestampForFile(date = new Date()) {
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const pad = (value) => String(value).padStart(2, '0');
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return `${date.getUTCFullYear()}${pad(date.getUTCMonth() + 1)}${pad(date.getUTCDate())}T${pad(date.getUTCHours())}${pad(date.getUTCMinutes())}${pad(date.getUTCSeconds())}Z`;
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}
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function buildBackupNames({database, dataDir, objectPrefix}) {
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const timestamp = timestampForFile();
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const databasePart = sanitizeObjectPart(database || basename(dataDir), 'spacetimedb');
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const fileName = `${databasePart}-${timestamp}.tar.gz`;
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const prefix = String(objectPrefix || 'database-backups')
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.trim()
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.replace(/^\/+|\/+$/gu, '')
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.split('/')
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.filter(Boolean)
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.map((part) => sanitizeObjectPart(part, 'backup'))
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.join('/');
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const objectKey = [prefix, databasePart, fileName].filter(Boolean).join('/');
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return {fileName, objectKey};
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}
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function runCommand(command, args, options = {}) {
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const result = spawnSync(command, args, {
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cwd: options.cwd ?? REPO_ROOT,
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env: options.env ?? process.env,
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encoding: 'utf8',
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stdio: options.stdio ?? 'pipe',
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shell: process.platform === 'win32',
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});
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if (result.error) {
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throw new Error(`${command} 启动失败: ${result.error.message}`);
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}
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if (result.status !== 0) {
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const output = `${result.stdout ?? ''}\n${result.stderr ?? ''}`.trim();
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throw new Error(`${command} 退出码 ${result.status}: ${output}`);
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}
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return result;
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}
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function stopServiceIfNeeded(serviceName) {
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if (!serviceName) {
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return false;
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}
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console.log(`[database-backup] 停止服务以获取冷备份: ${serviceName}`);
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runCommand('systemctl', ['stop', serviceName], {stdio: 'inherit'});
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return true;
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}
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function startServiceIfNeeded(serviceName, wasStopped) {
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if (!serviceName || !wasStopped) {
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return;
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}
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console.log(`[database-backup] 恢复服务: ${serviceName}`);
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runCommand('systemctl', ['start', serviceName], {stdio: 'inherit'});
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}
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function createArchive({dataDir, workDir, fileName}) {
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if (!existsSync(dataDir)) {
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throw new Error(`数据库数据目录不存在: ${dataDir}`);
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}
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const stat = statSync(dataDir);
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if (!stat.isDirectory()) {
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throw new Error(`数据库数据路径不是目录: ${dataDir}`);
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}
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mkdirSync(workDir, {recursive: true});
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const archivePath = resolve(workDir, fileName);
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const parentDir = dirname(dataDir);
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const entryName = basename(dataDir);
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console.log(`[database-backup] 打包: ${dataDir} -> ${archivePath}`);
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runCommand('tar', ['-czf', archivePath, '-C', parentDir, entryName], {stdio: 'inherit'});
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return archivePath;
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}
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function writeManifest({manifestPath, payload}) {
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writeFileSync(manifestPath, `${JSON.stringify(payload, null, 2)}\n`, 'utf8');
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}
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function readManifest(manifestPath) {
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if (!existsSync(manifestPath)) {
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throw new Error(`备份清单不存在: ${manifestPath}`);
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}
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return JSON.parse(readFileSync(manifestPath, 'utf8'));
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}
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function hmac(key, content, encoding) {
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return createHmac('sha256', key).update(content).digest(encoding);
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}
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function sha256Hex(content) {
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return createHash('sha256').update(content).digest('hex');
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}
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function regionFromEndpoint(endpoint) {
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const match = /^oss-([a-z0-9-]+)\./u.exec(endpoint);
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if (!match) {
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throw new Error(`无法从 OSS endpoint 推断 region: ${endpoint}`);
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}
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return match[1];
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}
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function formatScopeDate(date) {
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return timestampForFile(date).slice(0, 8);
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}
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function formatOssDate(date) {
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return timestampForFile(date).replace(/[-:]/gu, '');
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}
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function encodePath(path) {
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return path
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.split('/')
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.map((segment) => encodeURIComponent(segment).replace(/[!'()*]/gu, (char) => `%${char.charCodeAt(0).toString(16).toUpperCase()}`))
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.join('/');
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}
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function canonicalHeaderValue(value) {
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return String(value).trim().replace(/\s+/gu, ' ');
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}
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function buildAuthorization({method, bucket, endpoint, objectKey, accessKeyId, accessKeySecret, headers, date}) {
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const region = regionFromEndpoint(endpoint);
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const scopeDate = formatScopeDate(date);
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const scope = `${scopeDate}/${region}/${OSS_SERVICE}/${OSS_REQUEST}`;
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const canonicalUri = `/${encodeURIComponent(bucket)}/${encodePath(objectKey)}`;
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const signedHeaders = Object.fromEntries(
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Object.entries(headers).map(([key, value]) => [key.toLowerCase(), canonicalHeaderValue(value)]),
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);
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const canonicalHeaders = Object.entries(signedHeaders)
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.sort(([left], [right]) => left.localeCompare(right))
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.map(([key, value]) => `${key}:${value}\n`)
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.join('');
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const additionalHeaders = 'host';
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const canonicalRequest = [
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method,
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canonicalUri,
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'',
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canonicalHeaders,
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additionalHeaders,
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UNSIGNED_PAYLOAD,
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].join('\n');
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const stringToSign = [OSS_ALGORITHM, headers['x-oss-date'], scope, sha256Hex(canonicalRequest)].join('\n');
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const signature = hmac(Buffer.from(`aliyun_v4${accessKeySecret}`, 'utf8'), scopeDate);
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const regionKey = hmac(signature, region);
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const serviceKey = hmac(regionKey, OSS_SERVICE);
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const signingKey = hmac(serviceKey, OSS_REQUEST);
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const finalSignature = hmac(signingKey, stringToSign, 'hex');
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return `${OSS_ALGORITHM} Credential=${accessKeyId}/${scope},AdditionalHeaders=${additionalHeaders},Signature=${finalSignature}`;
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}
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async function uploadArchive({archivePath, bucket, endpoint, objectKey, accessKeyId, accessKeySecret}) {
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const fileStat = statSync(archivePath);
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const now = new Date();
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const targetUrl = `https://${bucket}.${endpoint}/${encodePath(objectKey)}`;
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const headers = {
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host: `${bucket}.${endpoint}`,
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'content-type': 'application/gzip',
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'x-oss-content-sha256': UNSIGNED_PAYLOAD,
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'x-oss-date': formatOssDate(now),
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'x-oss-meta-backup-kind': 'spacetimedb-data-dir',
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};
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const authorization = buildAuthorization({
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method: 'PUT',
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bucket,
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endpoint,
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objectKey,
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accessKeyId,
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accessKeySecret,
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headers,
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date: now,
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});
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console.log(`[database-backup] 上传 OSS: oss://${bucket}/${objectKey}`);
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const response = await fetch(targetUrl, {
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method: 'PUT',
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headers: {
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...headers,
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authorization,
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'content-length': String(fileStat.size),
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},
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body: createReadStream(archivePath),
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duplex: 'half',
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});
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const responseText = await response.text();
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if (!response.ok) {
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throw new Error(`OSS 上传失败 HTTP ${response.status}: ${responseText.slice(0, 500)}`);
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}
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return {
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bucket,
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objectKey,
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contentLength: fileStat.size,
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etag: response.headers.get('etag')?.replace(/^"|"$/gu, '') ?? '',
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};
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}
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async function uploadExistingArchive({args, env, bucket, endpoint, accessKeyId, accessKeySecret, objectPrefix}) {
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const archivePath = resolvePath(args.uploadArchive);
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if (!existsSync(archivePath)) {
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throw new Error(`待上传备份文件不存在: ${archivePath}`);
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}
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const manifestPath = resolvePath(args.manifestFile || `${archivePath}.manifest.json`);
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const manifest = existsSync(manifestPath) ? readManifest(manifestPath) : {};
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const dataDir = firstNonEmpty(manifest.dataDir, env.GENARRATIVE_DATABASE_BACKUP_DATA_DIR, DEFAULT_PRODUCTION_DATA_DIR);
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const database = firstNonEmpty(args.database, manifest.database, env.GENARRATIVE_SPACETIME_DATABASE, basename(dataDir));
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const objectKey = firstNonEmpty(args.objectKey, manifest.objectKey, buildBackupNames({database, dataDir, objectPrefix}).objectKey);
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console.log(`[database-backup] 上传已有备份: ${archivePath}`);
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console.log(`[database-backup] 目标对象: oss://${bucket}/${objectKey}`);
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if (args.dryRun) {
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console.log('[database-backup] dry-run，仅校验上传配置。');
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return;
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}
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const result = await uploadArchive({archivePath, bucket, endpoint, objectKey, accessKeyId, accessKeySecret});
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console.log(`[database-backup] 上传完成: ${JSON.stringify(result)}`);
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const uploadedAt = new Date().toISOString();
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writeManifest({
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manifestPath,
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payload: {
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...manifest,
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database,
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bucket: result.bucket,
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objectKey: result.objectKey,
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contentLength: result.contentLength,
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etag: result.etag,
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uploadedAt,
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uploadStatus: 'uploaded',
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},
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});
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if (args.resultFile) {
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writeFileSync(resolvePath(args.resultFile), `${JSON.stringify({archivePath, manifestPath, ...result, uploadedAt}, null, 2)}\n`, 'utf8');
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}
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const keepLocal = args.keepLocal || String(env.GENARRATIVE_DATABASE_BACKUP_KEEP_LOCAL ?? '').trim().toLowerCase() === 'true';
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if (!keepLocal) {
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rmSync(archivePath, {force: true});
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rmSync(manifestPath, {force: true});
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console.log('[database-backup] 已删除本地临时备份文件；如需保留请设置 --keep-local。');
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} else {
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console.log(`[database-backup] 已保留本地备份: ${archivePath}`);
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console.log(`[database-backup] 已保留备份清单: ${manifestPath}`);
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}
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}
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async function main() {
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const args = parseArgs(process.argv.slice(2));
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const env = loadEffectiveEnv(args.envFiles);
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const isProductionLike = existsSync(DEFAULT_PRODUCTION_DATA_DIR) && process.platform !== 'win32';
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const dataDir = resolvePath(firstNonEmpty(
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args.dataDir,
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env.GENARRATIVE_DATABASE_BACKUP_DATA_DIR,
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isProductionLike ? DEFAULT_PRODUCTION_DATA_DIR : DEFAULT_LOCAL_DATA_DIR,
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));
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const workDir = resolvePath(firstNonEmpty(
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args.workDir,
|
||
env.GENARRATIVE_DATABASE_BACKUP_WORK_DIR,
|
||
isProductionLike ? DEFAULT_PRODUCTION_WORK_DIR : DEFAULT_LOCAL_WORK_DIR,
|
||
));
|
||
const bucket = firstNonEmpty(args.bucket, env.GENARRATIVE_DATABASE_BACKUP_OSS_BUCKET, env.ALIYUN_OSS_BUCKET);
|
||
const endpoint = normalizeEndpoint(firstNonEmpty(args.endpoint, env.GENARRATIVE_DATABASE_BACKUP_OSS_ENDPOINT, env.ALIYUN_OSS_ENDPOINT));
|
||
const accessKeyId = firstNonEmpty(args.accessKeyId, env.GENARRATIVE_DATABASE_BACKUP_OSS_ACCESS_KEY_ID, env.ALIYUN_OSS_ACCESS_KEY_ID);
|
||
const accessKeySecret = firstNonEmpty(args.accessKeySecret, env.GENARRATIVE_DATABASE_BACKUP_OSS_ACCESS_KEY_SECRET, env.ALIYUN_OSS_ACCESS_KEY_SECRET);
|
||
const objectPrefix = firstNonEmpty(args.objectPrefix, env.GENARRATIVE_DATABASE_BACKUP_OSS_PREFIX, 'database-backups');
|
||
const database = firstNonEmpty(args.database, env.GENARRATIVE_SPACETIME_DATABASE, basename(dataDir));
|
||
const keepLocal = args.keepLocal || String(env.GENARRATIVE_DATABASE_BACKUP_KEEP_LOCAL ?? '').trim().toLowerCase() === 'true';
|
||
|
||
for (const [label, value] of Object.entries({bucket, endpoint, accessKeyId, accessKeySecret})) {
|
||
if (!value) {
|
||
throw new Error(`缺少 ${label} 配置`);
|
||
}
|
||
}
|
||
|
||
if (args.uploadArchive) {
|
||
await uploadExistingArchive({args, env, bucket, endpoint, accessKeyId, accessKeySecret, objectPrefix});
|
||
return;
|
||
}
|
||
|
||
const {fileName, objectKey} = buildBackupNames({database, dataDir, objectPrefix});
|
||
console.log(`[database-backup] 数据目录: ${dataDir}`);
|
||
console.log(`[database-backup] 本地临时目录: ${workDir}`);
|
||
console.log(`[database-backup] 目标对象: oss://${bucket}/${objectKey}`);
|
||
|
||
if (args.dryRun) {
|
||
console.log('[database-backup] dry-run，仅校验配置，不打包上传。');
|
||
return;
|
||
}
|
||
|
||
let archivePath = '';
|
||
let serviceStopped = false;
|
||
try {
|
||
serviceStopped = stopServiceIfNeeded(args.stopService || firstNonEmpty(env.GENARRATIVE_DATABASE_BACKUP_STOP_SERVICE));
|
||
archivePath = createArchive({dataDir, workDir, fileName});
|
||
} finally {
|
||
startServiceIfNeeded(args.stopService || firstNonEmpty(env.GENARRATIVE_DATABASE_BACKUP_STOP_SERVICE), serviceStopped);
|
||
}
|
||
|
||
const manifestPath = `${archivePath}.manifest.json`;
|
||
writeManifest({
|
||
manifestPath,
|
||
payload: {
|
||
createdAt: new Date().toISOString(),
|
||
database,
|
||
dataDir,
|
||
bucket,
|
||
objectKey,
|
||
archivePath,
|
||
uploadStatus: args.deferUpload ? 'deferred' : 'pending',
|
||
},
|
||
});
|
||
|
||
if (args.deferUpload) {
|
||
console.log(`[database-backup] 已生成本地冷备份，延后上传: ${archivePath}`);
|
||
console.log(`[database-backup] 已写入备份清单: ${manifestPath}`);
|
||
if (args.resultFile) {
|
||
writeFileSync(resolvePath(args.resultFile), `${JSON.stringify({archivePath, manifestPath, bucket, objectKey}, null, 2)}\n`, 'utf8');
|
||
}
|
||
return;
|
||
}
|
||
|
||
const result = await uploadArchive({archivePath, bucket, endpoint, objectKey, accessKeyId, accessKeySecret});
|
||
console.log(`[database-backup] 上传完成: ${JSON.stringify(result)}`);
|
||
|
||
writeManifest({
|
||
manifestPath,
|
||
payload: {
|
||
createdAt: new Date().toISOString(),
|
||
database,
|
||
dataDir,
|
||
bucket: result.bucket,
|
||
objectKey: result.objectKey,
|
||
archivePath,
|
||
contentLength: result.contentLength,
|
||
etag: result.etag,
|
||
uploadedAt: new Date().toISOString(),
|
||
uploadStatus: 'uploaded',
|
||
},
|
||
});
|
||
|
||
if (!keepLocal) {
|
||
rmSync(archivePath, {force: true});
|
||
rmSync(manifestPath, {force: true});
|
||
console.log('[database-backup] 已删除本地临时备份文件；如需保留请设置 --keep-local。');
|
||
} else {
|
||
console.log(`[database-backup] 已保留本地备份: ${archivePath}`);
|
||
console.log(`[database-backup] 已保留备份清单: ${manifestPath}`);
|
||
}
|
||
}
|
||
|
||
main().catch((error) => {
|
||
console.error(`[database-backup] ${error instanceof Error ? error.message : String(error)}`);
|
||
process.exit(1);
|
||
});
|