mirror of
https://github.com/louislam/uptime-kuma.git
synced 2024-12-14 10:23:16 +02:00
509 lines
16 KiB
JavaScript
509 lines
16 KiB
JavaScript
const fs = require("fs");
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const { R } = require("redbean-node");
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const { setSetting, setting } = require("./util-server");
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const { log, sleep } = require("../src/util");
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const dayjs = require("dayjs");
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const knex = require("knex");
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/**
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* Database & App Data Folder
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*/
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class Database {
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static templatePath = "./db/kuma.db";
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/**
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* Data Dir (Default: ./data)
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*/
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static dataDir;
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/**
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* User Upload Dir (Default: ./data/upload)
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*/
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static uploadDir;
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static path;
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/**
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* @type {boolean}
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*/
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static patched = false;
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/**
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* For Backup only
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*/
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static backupPath = null;
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/**
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* Add patch filename in key
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* Values:
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* true: Add it regardless of order
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* false: Do nothing
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* { parents: []}: Need parents before add it
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*/
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static patchList = {
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"patch-setting-value-type.sql": true,
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"patch-improve-performance.sql": true,
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"patch-2fa.sql": true,
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"patch-add-retry-interval-monitor.sql": true,
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"patch-incident-table.sql": true,
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"patch-group-table.sql": true,
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"patch-monitor-push_token.sql": true,
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"patch-http-monitor-method-body-and-headers.sql": true,
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"patch-2fa-invalidate-used-token.sql": true,
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"patch-notification_sent_history.sql": true,
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"patch-monitor-basic-auth.sql": true,
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"patch-status-page.sql": true,
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"patch-proxy.sql": true,
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"patch-monitor-expiry-notification.sql": true,
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"patch-status-page-footer-css.sql": true,
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"patch-added-mqtt-monitor.sql": true,
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};
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/**
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* The final version should be 10 after merged tag feature
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* @deprecated Use patchList for any new feature
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*/
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static latestVersion = 10;
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static noReject = true;
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/**
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* Initialize the database
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* @param {Object} args Arguments to initialize DB with
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*/
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static init(args) {
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// Data Directory (must be end with "/")
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Database.dataDir = process.env.DATA_DIR || args["data-dir"] || "./data/";
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Database.path = Database.dataDir + "kuma.db";
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if (! fs.existsSync(Database.dataDir)) {
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fs.mkdirSync(Database.dataDir, { recursive: true });
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}
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Database.uploadDir = Database.dataDir + "upload/";
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if (! fs.existsSync(Database.uploadDir)) {
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fs.mkdirSync(Database.uploadDir, { recursive: true });
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}
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log.info("db", `Data Dir: ${Database.dataDir}`);
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}
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/**
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* Connect to the database
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* @param {boolean} [testMode=false] Should the connection be
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* started in test mode?
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* @param {boolean} [autoloadModels=true] Should models be
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* automatically loaded?
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* @param {boolean} [noLog=false] Should logs not be output?
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* @returns {Promise<void>}
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*/
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static async connect(testMode = false, autoloadModels = true, noLog = false) {
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const acquireConnectionTimeout = 120 * 1000;
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const Dialect = require("knex/lib/dialects/sqlite3/index.js");
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Dialect.prototype._driver = () => require("@louislam/sqlite3");
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const knexInstance = knex({
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client: Dialect,
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connection: {
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filename: Database.path,
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acquireConnectionTimeout: acquireConnectionTimeout,
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},
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useNullAsDefault: true,
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pool: {
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min: 1,
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max: 1,
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idleTimeoutMillis: 120 * 1000,
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propagateCreateError: false,
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acquireTimeoutMillis: acquireConnectionTimeout,
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}
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});
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R.setup(knexInstance);
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if (process.env.SQL_LOG === "1") {
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R.debug(true);
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}
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// Auto map the model to a bean object
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R.freeze(true);
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if (autoloadModels) {
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await R.autoloadModels("./server/model");
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}
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await R.exec("PRAGMA foreign_keys = ON");
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if (testMode) {
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// Change to MEMORY
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await R.exec("PRAGMA journal_mode = MEMORY");
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} else {
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// Change to WAL
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await R.exec("PRAGMA journal_mode = WAL");
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}
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await R.exec("PRAGMA cache_size = -12000");
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await R.exec("PRAGMA auto_vacuum = FULL");
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// This ensures that an operating system crash or power failure will not corrupt the database.
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// FULL synchronous is very safe, but it is also slower.
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// Read more: https://sqlite.org/pragma.html#pragma_synchronous
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await R.exec("PRAGMA synchronous = FULL");
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if (!noLog) {
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log.info("db", "SQLite config:");
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log.info("db", await R.getAll("PRAGMA journal_mode"));
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log.info("db", await R.getAll("PRAGMA cache_size"));
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log.info("db", "SQLite Version: " + await R.getCell("SELECT sqlite_version()"));
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}
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}
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/** Patch the database */
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static async patch() {
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let version = parseInt(await setting("database_version"));
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if (! version) {
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version = 0;
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}
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log.info("db", "Your database version: " + version);
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log.info("db", "Latest database version: " + this.latestVersion);
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if (version === this.latestVersion) {
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log.info("db", "Database patch not needed");
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} else if (version > this.latestVersion) {
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log.info("db", "Warning: Database version is newer than expected");
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} else {
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log.info("db", "Database patch is needed");
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this.backup(version);
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// Try catch anything here, if gone wrong, restore the backup
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try {
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for (let i = version + 1; i <= this.latestVersion; i++) {
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const sqlFile = `./db/patch${i}.sql`;
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log.info("db", `Patching ${sqlFile}`);
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await Database.importSQLFile(sqlFile);
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log.info("db", `Patched ${sqlFile}`);
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await setSetting("database_version", i);
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}
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} catch (ex) {
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await Database.close();
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log.error("db", ex);
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log.error("db", "Start Uptime-Kuma failed due to issue patching the database");
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log.error("db", "Please submit a bug report if you still encounter the problem after restart: https://github.com/louislam/uptime-kuma/issues");
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this.restore();
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process.exit(1);
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}
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}
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await this.patch2();
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await this.migrateNewStatusPage();
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}
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/**
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* Patch DB using new process
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* Call it from patch() only
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* @private
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* @returns {Promise<void>}
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*/
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static async patch2() {
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log.info("db", "Database Patch 2.0 Process");
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let databasePatchedFiles = await setting("databasePatchedFiles");
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if (! databasePatchedFiles) {
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databasePatchedFiles = {};
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}
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log.debug("db", "Patched files:");
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log.debug("db", databasePatchedFiles);
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try {
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for (let sqlFilename in this.patchList) {
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await this.patch2Recursion(sqlFilename, databasePatchedFiles);
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}
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if (this.patched) {
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log.info("db", "Database Patched Successfully");
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}
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} catch (ex) {
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await Database.close();
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log.error("db", ex);
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log.error("db", "Start Uptime-Kuma failed due to issue patching the database");
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log.error("db", "Please submit the bug report if you still encounter the problem after restart: https://github.com/louislam/uptime-kuma/issues");
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this.restore();
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process.exit(1);
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}
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await setSetting("databasePatchedFiles", databasePatchedFiles);
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}
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/**
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* Migrate status page value in setting to "status_page" table
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* @returns {Promise<void>}
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*/
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static async migrateNewStatusPage() {
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// Fix 1.13.0 empty slug bug
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await R.exec("UPDATE status_page SET slug = 'empty-slug-recover' WHERE TRIM(slug) = ''");
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let title = await setting("title");
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if (title) {
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console.log("Migrating Status Page");
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let statusPageCheck = await R.findOne("status_page", " slug = 'default' ");
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if (statusPageCheck !== null) {
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console.log("Migrating Status Page - Skip, default slug record is already existing");
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return;
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}
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let statusPage = R.dispense("status_page");
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statusPage.slug = "default";
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statusPage.title = title;
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statusPage.description = await setting("description");
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statusPage.icon = await setting("icon");
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statusPage.theme = await setting("statusPageTheme");
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statusPage.published = !!await setting("statusPagePublished");
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statusPage.search_engine_index = !!await setting("searchEngineIndex");
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statusPage.show_tags = !!await setting("statusPageTags");
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statusPage.password = null;
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if (!statusPage.title) {
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statusPage.title = "My Status Page";
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}
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if (!statusPage.icon) {
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statusPage.icon = "";
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}
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if (!statusPage.theme) {
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statusPage.theme = "light";
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}
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let id = await R.store(statusPage);
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await R.exec("UPDATE incident SET status_page_id = ? WHERE status_page_id IS NULL", [
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id
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]);
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await R.exec("UPDATE [group] SET status_page_id = ? WHERE status_page_id IS NULL", [
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id
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]);
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await R.exec("DELETE FROM setting WHERE type = 'statusPage'");
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// Migrate Entry Page if it is status page
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let entryPage = await setting("entryPage");
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if (entryPage === "statusPage") {
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await setSetting("entryPage", "statusPage-default", "general");
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}
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console.log("Migrating Status Page - Done");
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}
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}
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/**
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* Patch database using new patching process
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* Used it patch2() only
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* @private
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* @param sqlFilename
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* @param databasePatchedFiles
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* @returns {Promise<void>}
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*/
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static async patch2Recursion(sqlFilename, databasePatchedFiles) {
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let value = this.patchList[sqlFilename];
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if (! value) {
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log.info("db", sqlFilename + " skip");
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return;
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}
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// Check if patched
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if (! databasePatchedFiles[sqlFilename]) {
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log.info("db", sqlFilename + " is not patched");
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if (value.parents) {
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log.info("db", sqlFilename + " need parents");
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for (let parentSQLFilename of value.parents) {
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await this.patch2Recursion(parentSQLFilename, databasePatchedFiles);
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}
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}
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this.backup(dayjs().format("YYYYMMDDHHmmss"));
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log.info("db", sqlFilename + " is patching");
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this.patched = true;
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await this.importSQLFile("./db/" + sqlFilename);
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databasePatchedFiles[sqlFilename] = true;
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log.info("db", sqlFilename + " was patched successfully");
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} else {
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log.debug("db", sqlFilename + " is already patched, skip");
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}
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}
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/**
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* Load an SQL file and execute it
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* @param filename Filename of SQL file to import
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* @returns {Promise<void>}
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*/
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static async importSQLFile(filename) {
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// Sadly, multi sql statements is not supported by many sqlite libraries, I have to implement it myself
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await R.getCell("SELECT 1");
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let text = fs.readFileSync(filename).toString();
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// Remove all comments (--)
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let lines = text.split("\n");
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lines = lines.filter((line) => {
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return ! line.startsWith("--");
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});
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// Split statements by semicolon
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// Filter out empty line
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text = lines.join("\n");
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let statements = text.split(";")
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.map((statement) => {
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return statement.trim();
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})
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.filter((statement) => {
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return statement !== "";
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});
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for (let statement of statements) {
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await R.exec(statement);
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}
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}
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/**
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* Aquire a direct connection to database
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* @returns {any}
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*/
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static getBetterSQLite3Database() {
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return R.knex.client.acquireConnection();
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}
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/**
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* Special handle, because tarn.js throw a promise reject that cannot be caught
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* @returns {Promise<void>}
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*/
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static async close() {
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const listener = (reason, p) => {
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Database.noReject = false;
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};
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process.addListener("unhandledRejection", listener);
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log.info("db", "Closing the database");
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while (true) {
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Database.noReject = true;
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await R.close();
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await sleep(2000);
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if (Database.noReject) {
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break;
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} else {
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log.info("db", "Waiting to close the database");
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}
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}
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log.info("db", "SQLite closed");
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process.removeListener("unhandledRejection", listener);
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}
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/**
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* One backup one time in this process.
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* Reset this.backupPath if you want to backup again
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* @param {string} version Version code of backup
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*/
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static backup(version) {
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if (! this.backupPath) {
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log.info("db", "Backing up the database");
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this.backupPath = this.dataDir + "kuma.db.bak" + version;
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fs.copyFileSync(Database.path, this.backupPath);
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const shmPath = Database.path + "-shm";
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if (fs.existsSync(shmPath)) {
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this.backupShmPath = shmPath + ".bak" + version;
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fs.copyFileSync(shmPath, this.backupShmPath);
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}
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const walPath = Database.path + "-wal";
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if (fs.existsSync(walPath)) {
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this.backupWalPath = walPath + ".bak" + version;
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fs.copyFileSync(walPath, this.backupWalPath);
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}
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}
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}
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/** Restore from most recent backup */
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static restore() {
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if (this.backupPath) {
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log.error("db", "Patching the database failed!!! Restoring the backup");
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const shmPath = Database.path + "-shm";
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const walPath = Database.path + "-wal";
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// Delete patch failed db
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try {
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if (fs.existsSync(Database.path)) {
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fs.unlinkSync(Database.path);
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}
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if (fs.existsSync(shmPath)) {
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fs.unlinkSync(shmPath);
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}
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if (fs.existsSync(walPath)) {
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fs.unlinkSync(walPath);
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}
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} catch (e) {
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log.error("db", "Restore failed; you may need to restore the backup manually");
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process.exit(1);
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}
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// Restore backup
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fs.copyFileSync(this.backupPath, Database.path);
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if (this.backupShmPath) {
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fs.copyFileSync(this.backupShmPath, shmPath);
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}
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if (this.backupWalPath) {
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fs.copyFileSync(this.backupWalPath, walPath);
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}
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} else {
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log.info("db", "Nothing to restore");
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}
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}
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/** Get the size of the database */
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static getSize() {
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log.debug("db", "Database.getSize()");
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let stats = fs.statSync(Database.path);
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log.debug("db", stats);
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return stats.size;
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}
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/**
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* Shrink the database
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* @returns {Promise<void>}
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*/
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static async shrink() {
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await R.exec("VACUUM");
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}
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}
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module.exports = Database;
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