mirror of
https://github.com/louislam/uptime-kuma.git
synced 2024-10-01 01:25:45 -04:00
330 lines
9.5 KiB
JavaScript
330 lines
9.5 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 { debug, sleep } = require("../src/util");
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const dayjs = require("dayjs");
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class Database {
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static templatePath = "./db/kuma.db";
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static dataDir;
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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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}
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/**
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* The finally 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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static async connect() {
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const acquireConnectionTimeout = 120 * 1000;
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R.setup("sqlite", {
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filename: Database.path,
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useNullAsDefault: true,
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acquireConnectionTimeout: acquireConnectionTimeout,
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}, {
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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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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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await R.autoloadModels("./server/model");
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// Change to WAL
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await R.exec("PRAGMA journal_mode = WAL");
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await R.exec("PRAGMA cache_size = -12000");
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console.log("SQLite config:");
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console.log(await R.getAll("PRAGMA journal_mode"));
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console.log(await R.getAll("PRAGMA cache_size"));
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}
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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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console.info("Your database version: " + version);
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console.info("Latest database version: " + this.latestVersion);
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if (version === this.latestVersion) {
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console.info("Database no need to patch");
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} else if (version > this.latestVersion) {
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console.info("Warning: Database version is newer than expected");
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} else {
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console.info("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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console.info(`Patching ${sqlFile}`);
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await Database.importSQLFile(sqlFile);
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console.info(`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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this.restore();
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console.error(ex)
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console.error("Start Uptime-Kuma failed due to patch db failed")
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console.error("Please submit the bug report if you still encounter the problem after restart: https://github.com/louislam/uptime-kuma/issues")
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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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}
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/**
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* Call it from patch() only
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* @returns {Promise<void>}
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*/
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static async patch2() {
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console.log("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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debug("Patched files:");
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debug(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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console.log("Database Patched Successfully");
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}
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} catch (ex) {
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await Database.close();
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this.restore();
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console.error(ex)
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console.error("Start Uptime-Kuma failed due to patch db failed");
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console.error("Please submit the bug report if you still encounter the problem after restart: https://github.com/louislam/uptime-kuma/issues");
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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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* Used it patch2() only
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* @param sqlFilename
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* @param databasePatchedFiles
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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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console.log(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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console.log(sqlFilename + " is not patched");
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if (value.parents) {
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console.log(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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console.log(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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console.log(sqlFilename + " is patched successfully");
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} else {
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console.log(sqlFilename + " is already patched, skip");
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}
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}
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/**
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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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* @param filename
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* @returns {Promise<void>}
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*/
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static async importSQLFile(filename) {
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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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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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console.log("Closing DB");
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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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console.log("Waiting to close the db");
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}
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}
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console.log("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 version
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*/
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static backup(version) {
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if (! this.backupPath) {
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console.info("Backup the db")
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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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/**
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*
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*/
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static restore() {
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if (this.backupPath) {
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console.error("Patch db 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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console.log("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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console.log("Nothing to restore");
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}
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}
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}
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module.exports = Database;
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