Merge fd05aad398 into 459fb138f2

docker/debian-base.dockerfile

@@ -1,3 +1,13 @@
+# Download Apprise deb package
+FROM node:20-bookworm-slim AS download-apprise
+WORKDIR /app
+COPY ./extra/download-apprise.mjs ./download-apprise.mjs
+RUN apt update && \
+    apt --yes --no-install-recommends install curl && \
+    npm install cheerio semver && \
+    node ./download-apprise.mjs
+
+# Base Image (Slim)
 # If the image changed, the second stage image should be changed too
 FROM node:20-bookworm-slim AS base2-slim
 ARG TARGETPLATFORM
@@ -27,8 +37,9 @@ RUN apt update && \
 # apprise = for notifications (Install from the deb package, as the stable one is too old) (workaround for #4867)
 # Switching to testing repo is no longer working, as the testing repo is not bookworm anymore.
 # python3-paho-mqtt (#4859)
-RUN curl http://ftp.debian.org/debian/pool/main/a/apprise/apprise_1.8.0-2_all.deb --output apprise.deb && \
+# TODO: no idea how to delete the deb file after installation as it becomes a layer already
-    apt update && \
+COPY --from=download-apprise /app/apprise.deb ./apprise.deb
+RUN apt update && \
     apt --yes --no-install-recommends install ./apprise.deb python3-paho-mqtt && \
     rm -rf /var/lib/apt/lists/* && \
     rm -f apprise.deb && \

extra/download-apprise.mjs

@@ -0,0 +1,57 @@
+// Go to http://ftp.debian.org/debian/pool/main/a/apprise/ using fetch api, where it is a apache directory listing page
+// Use cheerio to parse the html and get the latest version of Apprise
+// call curl to download the latest version of Apprise
+// Target file: the latest version of Apprise, which the format is apprise_{VERSION}_all.deb
+
+import * as cheerio from "cheerio";
+import semver from "semver";
+import * as childProcess from "child_process";
+
+const baseURL = "http://ftp.debian.org/debian/pool/main/a/apprise/";
+const response = await fetch(baseURL);
+
+if (!response.ok) {
+    throw new Error("Failed to fetch page of Apprise Debian repository.");
+}
+
+const html = await response.text();
+
+const $ = cheerio.load(html);
+
+// Get all the links in the page
+const linkElements = $("a");
+
+// Filter the links which match apprise_{VERSION}_all.deb
+const links = [];
+const pattern = /apprise_(.*?)_all.deb/;
+
+for (let i = 0; i < linkElements.length; i++) {
+    const link = linkElements[i];
+    if (link.attribs.href.match(pattern) && !link.attribs.href.includes("~")) {
+        links.push({
+            filename: link.attribs.href,
+            version: link.attribs.href.match(pattern)[1],
+        });
+    }
+}
+
+console.log(links);
+
+// semver compare and download
+let latestLink = {
+    filename: "",
+    version: "0.0.0",
+};
+
+for (const link of links) {
+    if (semver.gt(link.version, latestLink.version)) {
+        latestLink = link;
+    }
+}
+
+const downloadURL = baseURL + latestLink.filename;
+console.log(`Downloading ${downloadURL}...`);
+let result = childProcess.spawnSync("curl", [ downloadURL, "--output", "apprise.deb" ]);
+console.log(result.stdout?.toString());
+console.error(result.stderr?.toString());
+process.exit(result.status !== null ? result.status : 1);

extra/reset-migrate-aggregate-table-state.js

@@ -0,0 +1,24 @@
+const { R } = require("redbean-node");
+const Database = require("../server/database");
+const args = require("args-parser")(process.argv);
+const { Settings } = require("../server/settings");
+
+const main = async () => {
+    console.log("Connecting the database");
+    Database.initDataDir(args);
+    await Database.connect(false, false, true);
+
+    console.log("Deleting all data from aggregate tables");
+    await R.exec("DELETE FROM stat_minutely");
+    await R.exec("DELETE FROM stat_hourly");
+    await R.exec("DELETE FROM stat_daily");
+
+    console.log("Resetting the aggregate table state");
+    await Settings.set("migrateAggregateTableState", "");
+
+    await Database.close();
+    console.log("Done");
+};
+
+main();
+

package.json

@@ -38,8 +38,8 @@
         "build-docker-base": "docker buildx build -f docker/debian-base.dockerfile --platform linux/amd64,linux/arm64,linux/arm/v7 -t louislam/uptime-kuma:base2 --target base2 . --push",
         "build-docker-base-slim": "docker buildx build -f docker/debian-base.dockerfile --platform linux/amd64,linux/arm64,linux/arm/v7 -t louislam/uptime-kuma:base2-slim --target base2-slim . --push",
         "build-docker-builder-go": "docker buildx build -f docker/builder-go.dockerfile --platform linux/amd64,linux/arm64,linux/arm/v7 -t louislam/uptime-kuma:builder-go . --push",
-        "build-docker-slim": "node ./extra/env2arg.js docker buildx build -f docker/dockerfile --platform linux/amd64,linux/arm64,linux/arm/v7 -t louislam/uptime-kuma:2-slim -t louislam/uptime-kuma:$VERSION-slim --target release --build-arg BASE_IMAGE=louislam/uptime-kuma:base2-slim . --push",
+        "build-docker-slim": "node ./extra/env2arg.js docker buildx build -f docker/dockerfile --platform linux/amd64,linux/arm64,linux/arm/v7 -t louislam/uptime-kuma:next-slim -t louislam/uptime-kuma:2-slim -t louislam/uptime-kuma:$VERSION-slim --target release --build-arg BASE_IMAGE=louislam/uptime-kuma:base2-slim . --push",
-        "build-docker-full": "node ./extra/env2arg.js docker buildx build -f docker/dockerfile --platform linux/amd64,linux/arm64,linux/arm/v7 -t louislam/uptime-kuma:2 -t louislam/uptime-kuma:$VERSION --target release . --push",
+        "build-docker-full": "node ./extra/env2arg.js docker buildx build -f docker/dockerfile --platform linux/amd64,linux/arm64,linux/arm/v7 -t louislam/uptime-kuma:next -t louislam/uptime-kuma:2 -t louislam/uptime-kuma:$VERSION --target release . --push",
         "build-docker-nightly": "node ./extra/test-docker.js && npm run build && docker buildx build -f docker/dockerfile --platform linux/amd64,linux/arm64,linux/arm/v7 -t louislam/uptime-kuma:nightly2 --target nightly . --push",
         "build-docker-slim-rootless": "node ./extra/env2arg.js docker buildx build -f docker/dockerfile --platform linux/amd64,linux/arm64,linux/arm/v7 -t louislam/uptime-kuma:2-slim-rootless -t louislam/uptime-kuma:$VERSION-slim-rootless --target rootless --build-arg BASE_IMAGE=louislam/uptime-kuma:base2-slim . --push",
         "build-docker-full-rootless": "node ./extra/env2arg.js docker buildx build -f docker/dockerfile --platform linux/amd64,linux/arm64,linux/arm/v7 -t louislam/uptime-kuma:2-rootless -t louislam/uptime-kuma:$VERSION-rootless --target rootless . --push",
@@ -68,7 +68,8 @@
         "sort-contributors": "node extra/sort-contributors.js",
         "quick-run-nightly": "docker run --rm --env NODE_ENV=development -p 3001:3001 louislam/uptime-kuma:nightly2",
         "start-dev-container": "cd docker && docker-compose -f docker-compose-dev.yml up --force-recreate",
-        "rebase-pr-to-1.23.X": "node extra/rebase-pr.js 1.23.X"
+        "rebase-pr-to-1.23.X": "node extra/rebase-pr.js 1.23.X",
+        "reset-migrate-aggregate-table-state": "node extra/reset-migrate-aggregate-table-state.js"
     },
     "dependencies": {
         "@grpc/grpc-js": "~1.8.22",

server/database.js

@@ -6,6 +6,9 @@ const knex = require("knex");
 const path = require("path");
 const { EmbeddedMariaDB } = require("./embedded-mariadb");
 const mysql = require("mysql2/promise");
+const { Settings } = require("./settings");
+const { UptimeCalculator } = require("./uptime-calculator");
+const dayjs = require("dayjs");
 
 /**
  * Database & App Data Folder
@@ -391,9 +394,23 @@ class Database {
         // https://knexjs.org/guide/migrations.html
         // https://gist.github.com/NigelEarle/70db130cc040cc2868555b29a0278261
         try {
+            // Disable foreign key check for SQLite
+            // Known issue of knex: https://github.com/drizzle-team/drizzle-orm/issues/1813
+            if (Database.dbConfig.type === "sqlite") {
+                await R.exec("PRAGMA foreign_keys = OFF");
+            }
+
             await R.knex.migrate.latest({
                 directory: Database.knexMigrationsPath,
             });
+
+            // Enable foreign key check for SQLite
+            if (Database.dbConfig.type === "sqlite") {
+                await R.exec("PRAGMA foreign_keys = ON");
+            }
+
+            await this.migrateAggregateTable();
+
         } catch (e) {
             // Allow missing patch files for downgrade or testing pr.
             if (e.message.includes("the following files are missing:")) {
@@ -711,6 +728,152 @@ class Database {
         }
     }
 
+    /**
+     * Migrate the old data in the heartbeat table to the new format (stat_daily, stat_hourly, stat_minutely)
+     * It should be run once while upgrading V1 to V2
+     *
+     * Normally, it should be in transaction, but UptimeCalculator wasn't designed to be in transaction before that.
+     * I don't want to heavily modify the UptimeCalculator, so it is not in transaction.
+     * Run `npm run reset-migrate-aggregate-table-state` to reset, in case the migration is interrupted.
+     * @returns {Promise<void>}
+     */
+    static async migrateAggregateTable() {
+        log.debug("db", "Enter Migrate Aggregate Table function");
+
+        // Add a setting for 2.0.0-dev users to skip this migration
+        if (process.env.SET_MIGRATE_AGGREGATE_TABLE_TO_TRUE === "1") {
+            log.warn("db", "SET_MIGRATE_AGGREGATE_TABLE_TO_TRUE is set to 1, skipping aggregate table migration forever (for 2.0.0-dev users)");
+            await Settings.set("migrateAggregateTableState", "migrated");
+        }
+
+        let migrateState = await Settings.get("migrateAggregateTableState");
+
+        // Skip if already migrated
+        // If it is migrating, it possibly means the migration was interrupted, or the migration is in progress
+        if (migrateState === "migrated") {
+            log.debug("db", "Migrated aggregate table already, skip");
+            return;
+        } else if (migrateState === "migrating") {
+            log.warn("db", "Aggregate table migration is already in progress, or it was interrupted");
+            throw new Error("Aggregate table migration is already in progress");
+        }
+
+        await Settings.set("migrateAggregateTableState", "migrating");
+
+        log.info("db", "Migrating Aggregate Table");
+
+        log.info("db", "Getting list of unique monitors");
+
+        // Get a list of unique monitors from the heartbeat table, using raw sql
+        let monitors = await R.getAll(`
+            SELECT DISTINCT monitor_id
+            FROM heartbeat
+            ORDER BY monitor_id ASC
+        `);
+
+        // Stop if stat_* tables are not empty
+        for (let table of [ "stat_minutely", "stat_hourly", "stat_daily" ]) {
+            let countResult = await R.getRow(`SELECT COUNT(*) AS count FROM ${table}`);
+            let count = countResult.count;
+            if (count > 0) {
+                log.warn("db", `Aggregate table ${table} is not empty, migration will not be started (Maybe you were using 2.0.0-dev?)`);
+                return;
+            }
+        }
+
+        let progressPercent = 0;
+        let part = 100 / monitors.length;
+        let i = 1;
+        for (let monitor of monitors) {
+            // Get a list of unique dates from the heartbeat table, using raw sql
+            let dates = await R.getAll(`
+                SELECT DISTINCT DATE(time) AS date
+                FROM heartbeat
+                WHERE monitor_id = ?
+                ORDER BY date ASC
+            `, [
+                monitor.monitor_id
+            ]);
+
+            for (let date of dates) {
+                // New Uptime Calculator
+                let calculator = new UptimeCalculator();
+                calculator.monitorID = monitor.monitor_id;
+                calculator.setMigrationMode(true);
+
+                // Get all the heartbeats for this monitor and date
+                let heartbeats = await R.getAll(`
+                    SELECT status, ping, time
+                    FROM heartbeat
+                    WHERE monitor_id = ?
+                    AND DATE(time) = ?
+                    ORDER BY time ASC
+                `, [ monitor.monitor_id, date.date ]);
+
+                if (heartbeats.length > 0) {
+                    log.info("db", `[DON'T STOP] Migrating monitor data ${monitor.monitor_id} - ${date.date} [${progressPercent.toFixed(2)}%][${i}/${monitors.length}]`);
+                }
+
+                for (let heartbeat of heartbeats) {
+                    await calculator.update(heartbeat.status, parseFloat(heartbeat.ping), dayjs(heartbeat.time));
+                }
+
+                progressPercent += (Math.round(part / dates.length * 100) / 100);
+
+                // Lazy to fix the floating point issue, it is acceptable since it is just a progress bar
+                if (progressPercent > 100) {
+                    progressPercent = 100;
+                }
+            }
+
+            i++;
+        }
+
+        await Database.clearHeartbeatData(true);
+
+        await Settings.set("migrateAggregateTableState", "migrated");
+
+        if (monitors.length > 0) {
+            log.info("db", "Aggregate Table Migration Completed");
+        } else {
+            log.info("db", "No data to migrate");
+        }
+    }
+
+    /**
+     * Remove all non-important heartbeats from heartbeat table, keep last 24-hour or {KEEP_LAST_ROWS} rows for each monitor
+     * @param {boolean} detailedLog Log detailed information
+     * @returns {Promise<void>}
+     */
+    static async clearHeartbeatData(detailedLog = false) {
+        let monitors = await R.getAll("SELECT id FROM monitor");
+        const sqlHourOffset = Database.sqlHourOffset();
+
+        for (let monitor of monitors) {
+            if (detailedLog) {
+                log.info("db", "Deleting non-important heartbeats for monitor " + monitor.id);
+            }
+            await R.exec(`
+                DELETE FROM heartbeat
+                WHERE monitor_id = ?
+                AND important = 0
+                AND time < ${sqlHourOffset}
+                AND id NOT IN (
+                    SELECT id
+                    FROM heartbeat
+                    WHERE monitor_id = ?
+                    ORDER BY time DESC
+                    LIMIT ?
+                )
+            `, [
+                monitor.id,
+                -24,
+                monitor.id,
+                100,
+            ]);
+        }
+    }
+
 }
 
 module.exports = Database;

server/docker.js

@@ -1,10 +1,10 @@
 const axios = require("axios");
 const { R } = require("redbean-node");
 const https = require("https");
-const fs = require("fs");
+const fs = require("fs/promises");
 const path = require("path");
 const Database = require("./database");
-const { axiosAbortSignal } = require("./util-server");
+const { axiosAbortSignal, fileExists } = require("./util-server");
 
 class DockerHost {
 
@@ -81,7 +81,7 @@ class DockerHost {
             options.socketPath = dockerHost.dockerDaemon;
         } else if (dockerHost.dockerType === "tcp") {
             options.baseURL = DockerHost.patchDockerURL(dockerHost.dockerDaemon);
-            options.httpsAgent = new https.Agent(DockerHost.getHttpsAgentOptions(dockerHost.dockerType, options.baseURL));
+            options.httpsAgent = new https.Agent(await DockerHost.getHttpsAgentOptions(dockerHost.dockerType, options.baseURL));
         }
 
         try {
@@ -143,7 +143,7 @@ class DockerHost {
      * @param {string} url The docker host URL rewritten to https://
      * @returns {object} HTTP agent options
      */
-    static getHttpsAgentOptions(dockerType, url) {
+    static async getHttpsAgentOptions(dockerType, url) {
         let baseOptions = {
             maxCachedSessions: 0,
             rejectUnauthorized: true
@@ -156,10 +156,10 @@ class DockerHost {
         let certPath = path.join(Database.dockerTLSDir, dirName, DockerHost.CertificateFileNameCert);
         let keyPath = path.join(Database.dockerTLSDir, dirName, DockerHost.CertificateFileNameKey);
 
-        if (dockerType === "tcp" && fs.existsSync(caPath) && fs.existsSync(certPath) && fs.existsSync(keyPath)) {
+        if (dockerType === "tcp" && await fileExists(caPath) && await fileExists(certPath) && await fileExists(keyPath)) {
-            let ca = fs.readFileSync(caPath);
+            let ca = await fs.readFile(caPath);
-            let key = fs.readFileSync(keyPath);
+            let key = await fs.readFile(keyPath);
-            let cert = fs.readFileSync(certPath);
+            let cert = await fs.readFile(certPath);
             certOptions = {
                 ca,
                 key,

server/jobs/clear-old-data.js

@@ -1,21 +1,22 @@
 const { R } = require("redbean-node");
 const { log } = require("../../src/util");
-const { setSetting, setting } = require("../util-server");
 const Database = require("../database");
+const { Settings } = require("../settings");
+const dayjs = require("dayjs");
 
-const DEFAULT_KEEP_PERIOD = 180;
+const DEFAULT_KEEP_PERIOD = 365;
 
 /**
- * Clears old data from the heartbeat table of the database.
+ * Clears old data from the heartbeat table and the stat_daily of the database.
  * @returns {Promise<void>} A promise that resolves when the data has been cleared.
  */
-
 const clearOldData = async () => {
-    let period = await setting("keepDataPeriodDays");
+    await Database.clearHeartbeatData();
+    let period = await Settings.get("keepDataPeriodDays");
 
     // Set Default Period
     if (period == null) {
-        await setSetting("keepDataPeriodDays", DEFAULT_KEEP_PERIOD, "general");
+        await Settings.set("keepDataPeriodDays", DEFAULT_KEEP_PERIOD, "general");
         period = DEFAULT_KEEP_PERIOD;
     }
 
@@ -25,23 +26,28 @@ const clearOldData = async () => {
         parsedPeriod = parseInt(period);
     } catch (_) {
         log.warn("clearOldData", "Failed to parse setting, resetting to default..");
-        await setSetting("keepDataPeriodDays", DEFAULT_KEEP_PERIOD, "general");
+        await Settings.set("keepDataPeriodDays", DEFAULT_KEEP_PERIOD, "general");
         parsedPeriod = DEFAULT_KEEP_PERIOD;
     }
 
     if (parsedPeriod < 1) {
         log.info("clearOldData", `Data deletion has been disabled as period is less than 1. Period is ${parsedPeriod} days.`);
     } else {
-
         log.debug("clearOldData", `Clearing Data older than ${parsedPeriod} days...`);
-
         const sqlHourOffset = Database.sqlHourOffset();
 
         try {
-            await R.exec(
+            // Heartbeat
-                "DELETE FROM heartbeat WHERE time < " + sqlHourOffset,
+            await R.exec("DELETE FROM heartbeat WHERE time < " + sqlHourOffset, [
-                [ parsedPeriod * -24 ]
+                parsedPeriod * -24,
-            );
+            ]);
+
+            let timestamp = dayjs().subtract(parsedPeriod, "day").utc().startOf("day").unix();
+
+            // stat_daily
+            await R.exec("DELETE FROM stat_daily WHERE timestamp < ? ", [
+                timestamp,
+            ]);
 
             if (Database.dbConfig.type === "sqlite") {
                 await R.exec("PRAGMA optimize;");
@@ -50,6 +56,8 @@ const clearOldData = async () => {
             log.error("clearOldData", `Failed to clear old data: ${e.message}`);
         }
     }
+
+    log.debug("clearOldData", "Data cleared.");
 };
 
 module.exports = {

server/model/monitor.js

@@ -739,7 +739,7 @@ class Monitor extends BeanModel {
                     } else if (dockerHost._dockerType === "tcp") {
                         options.baseURL = DockerHost.patchDockerURL(dockerHost._dockerDaemon);
                         options.httpsAgent = new https.Agent(
-                            DockerHost.getHttpsAgentOptions(dockerHost._dockerType, options.baseURL)
+                            await DockerHost.getHttpsAgentOptions(dockerHost._dockerType, options.baseURL)
                         );
                     }
 

server/server.js

@@ -1604,18 +1604,20 @@ let needSetup = false;
 
     await server.start();
 
-    server.httpServer.listen(port, hostname, () => {
+    server.httpServer.listen(port, hostname, async () => {
         if (hostname) {
             log.info("server", `Listening on ${hostname}:${port}`);
         } else {
             log.info("server", `Listening on ${port}`);
         }
-        startMonitors();
+        await startMonitors();
+
+        // Put this here. Start background jobs after the db and server is ready to prevent clear up during db migration.
+        await initBackgroundJobs();
+
         checkVersion.startInterval();
     });
 
-    await initBackgroundJobs();
-
     // Start cloudflared at the end if configured
     await cloudflaredAutoStart(cloudflaredToken);
 
@@ -1809,7 +1811,11 @@ async function startMonitors() {
     }
 
     for (let monitor of list) {
+        try {
             await monitor.start(io);
+        } catch (e) {
+            log.error("monitor", e);
+        }
         // Give some delays, so all monitors won't make request at the same moment when just start the server.
         await sleep(getRandomInt(300, 1000));
     }

server/socket-handlers/general-socket-handler.js

@@ -4,7 +4,7 @@ const { sendInfo } = require("../client");
 const { checkLogin } = require("../util-server");
 const GameResolver = require("gamedig/lib/GameResolver");
 const { testChrome } = require("../monitor-types/real-browser-monitor-type");
-const fs = require("fs");
+const fs = require("fs/promises");
 const path = require("path");
 
 let gameResolver = new GameResolver();
@@ -90,17 +90,17 @@ module.exports.generalSocketHandler = (socket, server) => {
         }
     });
 
-    socket.on("getPushExample", (language, callback) => {
+    socket.on("getPushExample", async (language, callback) => {
 
         try {
             let dir = path.join("./extra/push-examples", language);
-            let files = fs.readdirSync(dir);
+            let files = await fs.readdir(dir);
 
             for (let file of files) {
                 if (file.startsWith("index.")) {
                     callback({
                         ok: true,
-                        code: fs.readFileSync(path.join(dir, file), "utf8"),
+                        code: await fs.readFile(path.join(dir, file), "utf8"),
                     });
                     return;
                 }

server/uptime-calculator.js

@@ -12,7 +12,6 @@ class UptimeCalculator {
      * @private
      * @type {{string:UptimeCalculator}}
      */
-
     static list = {};
 
     /**
@@ -55,6 +54,15 @@ class UptimeCalculator {
     lastHourlyStatBean = null;
     lastMinutelyStatBean = null;
 
+    /**
+     * For migration purposes.
+     * @type {boolean}
+     */
+    migrationMode = false;
+
+    statMinutelyKeepHour = 24;
+    statHourlyKeepDay = 30;
+
     /**
      * Get the uptime calculator for a monitor
      * Initializes and returns the monitor if it does not exist
@@ -189,16 +197,19 @@ class UptimeCalculator {
     /**
      * @param {number} status status
      * @param {number} ping Ping
+     * @param {dayjs.Dayjs} date Date (Only for migration)
      * @returns {dayjs.Dayjs} date
      * @throws {Error} Invalid status
      */
-    async update(status, ping = 0) {
+    async update(status, ping = 0, date) {
-        let date = this.getCurrentDate();
+        if (!date) {
+            date = this.getCurrentDate();
+        }
 
         let flatStatus = this.flatStatus(status);
 
         if (flatStatus === DOWN && ping > 0) {
-            log.warn("uptime-calc", "The ping is not effective when the status is DOWN");
+            log.debug("uptime-calc", "The ping is not effective when the status is DOWN");
         }
 
         let divisionKey = this.getMinutelyKey(date);
@@ -297,6 +308,11 @@ class UptimeCalculator {
         }
         await R.store(dailyStatBean);
 
+        let currentDate = this.getCurrentDate();
+
+        // For migration mode, we don't need to store old hourly and minutely data, but we need 30-day's hourly data
+        // Run anyway for non-migration mode
+        if (!this.migrationMode || date.isAfter(currentDate.subtract(this.statHourlyKeepDay, "day"))) {
             let hourlyStatBean = await this.getHourlyStatBean(hourlyKey);
             hourlyStatBean.up = hourlyData.up;
             hourlyStatBean.down = hourlyData.down;
@@ -311,7 +327,11 @@ class UptimeCalculator {
                 }
             }
             await R.store(hourlyStatBean);
+        }
 
+        // For migration mode, we don't need to store old hourly and minutely data, but we need 24-hour's minutely data
+        // Run anyway for non-migration mode
+        if (!this.migrationMode || date.isAfter(currentDate.subtract(this.statMinutelyKeepHour, "hour"))) {
             let minutelyStatBean = await this.getMinutelyStatBean(divisionKey);
             minutelyStatBean.up = minutelyData.up;
             minutelyStatBean.down = minutelyData.down;
@@ -326,18 +346,23 @@ class UptimeCalculator {
                 }
             }
             await R.store(minutelyStatBean);
+        }
 
+        // No need to remove old data in migration mode
+        if (!this.migrationMode) {
             // Remove the old data
+            // TODO: Improvement: Convert it to a job?
             log.debug("uptime-calc", "Remove old data");
             await R.exec("DELETE FROM stat_minutely WHERE monitor_id = ? AND timestamp < ?", [
                 this.monitorID,
-            this.getMinutelyKey(date.subtract(24, "hour")),
+                this.getMinutelyKey(currentDate.subtract(this.statMinutelyKeepHour, "hour")),
             ]);
 
             await R.exec("DELETE FROM stat_hourly WHERE monitor_id = ? AND timestamp < ?", [
                 this.monitorID,
-            this.getHourlyKey(date.subtract(30, "day")),
+                this.getHourlyKey(currentDate.subtract(this.statHourlyKeepDay, "day")),
             ]);
+        }
 
         return date;
     }
@@ -812,6 +837,14 @@ class UptimeCalculator {
         return dayjs.utc();
     }
 
+    /**
+     * For migration purposes.
+     * @param {boolean} value Migration mode on/off
+     * @returns {void}
+     */
+    setMigrationMode(value) {
+        this.migrationMode = value;
+    }
 }
 
 class UptimeDataResult {

server/util-server.js

@@ -19,6 +19,7 @@ const radiusClient = require("node-radius-client");
 const redis = require("redis");
 const oidc = require("openid-client");
 const tls = require("tls");
+const fs = require("fs");
 
 const {
     dictionaries: {
@@ -1062,3 +1063,9 @@ module.exports.axiosAbortSignal = (timeoutMs) => {
         }
     }
 };
+
+module.exports.fileExists = (file) => {
+    return fs.promises.access(file, fs.constants.F_OK)
+        .then(() => true)
+        .catch(() => false);
+};