Merge 5e55215c9c into c01494ec33

Co-authored-by: Frank Elsinga <frank@elsinga.de>

db/knex_migrations/2024-10-1315-rabbitmq-monitor.js

@@ -0,0 +1,17 @@
+exports.up = function (knex) {
+    return knex.schema.alterTable("monitor", function (table) {
+        table.text("rabbitmq_nodes");
+        table.string("rabbitmq_username");
+        table.string("rabbitmq_password");
+    });
+
+};
+
+exports.down = function (knex) {
+    return knex.schema.alterTable("monitor", function (table) {
+        table.dropColumn("rabbitmq_nodes");
+        table.dropColumn("rabbitmq_username");
+        table.dropColumn("rabbitmq_password");
+    });
+
+};

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-lock.json

@@ -93,6 +93,7 @@
                 "@playwright/test": "~1.39.0",
                 "@popperjs/core": "~2.10.2",
                 "@testcontainers/hivemq": "^10.13.1",
+                "@testcontainers/rabbitmq": "^10.13.2",
                 "@types/bootstrap": "~5.1.9",
                 "@types/node": "^20.8.6",
                 "@typescript-eslint/eslint-plugin": "^6.7.5",
@@ -4172,6 +4173,15 @@
                 "testcontainers": "^10.13.1"
             }
         },
+        "node_modules/@testcontainers/rabbitmq": {
+            "version": "10.13.2",
+            "resolved": "https://registry.npmjs.org/@testcontainers/rabbitmq/-/rabbitmq-10.13.2.tgz",
+            "integrity": "sha512-npBKBnq3c6hETmxGZ/gVMke9cc1J/pcftNW9S3WidL48hxFBIPjYNM9FdTfWuoNER/8kuf4xJ8yCuJEYGH3ZAg==",
+            "dev": true,
+            "dependencies": {
+                "testcontainers": "^10.13.2"
+            }
+        },
         "node_modules/@tootallnate/once": {
             "version": "2.0.0",
             "resolved": "https://registry.npmjs.org/@tootallnate/once/-/once-2.0.0.tgz",
@@ -15925,11 +15935,10 @@
             }
         },
         "node_modules/testcontainers": {
-            "version": "10.13.1",
+            "version": "10.13.2",
-            "resolved": "https://registry.npmjs.org/testcontainers/-/testcontainers-10.13.1.tgz",
+            "resolved": "https://registry.npmjs.org/testcontainers/-/testcontainers-10.13.2.tgz",
-            "integrity": "sha512-JBbOhxmygj/ouH/47GnoVNt+c55Telh/45IjVxEbDoswsLchVmJiuKiw/eF6lE5i7LN+/99xsrSCttI3YRtirg==",
+            "integrity": "sha512-LfEll+AG/1Ks3n4+IA5lpyBHLiYh/hSfI4+ERa6urwfQscbDU+M2iW1qPQrHQi+xJXQRYy4whyK1IEHdmxWa3Q==",
             "dev": true,
-            "license": "MIT",
             "dependencies": {
                 "@balena/dockerignore": "^1.0.2",
                 "@types/dockerode": "^3.3.29",

package.json

@@ -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",
@@ -155,6 +156,7 @@
         "@playwright/test": "~1.39.0",
         "@popperjs/core": "~2.10.2",
         "@testcontainers/hivemq": "^10.13.1",
+        "@testcontainers/rabbitmq": "^10.13.2",
         "@types/bootstrap": "~5.1.9",
         "@types/node": "^20.8.6",
         "@typescript-eslint/eslint-plugin": "^6.7.5",

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 +728,119 @@ 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++;
+        }
+
+        // TODO: Remove all non-important heartbeats from heartbeat table
+        log.info("db", "[DON'T STOP] Deleting all data from heartbeat table");
+
+        await Settings.set("migrateAggregateTableState", "migrated");
+
+        if (monitors.length > 0) {
+            log.info("db", "Aggregate Table Migration Completed");
+        } else {
+            log.info("db", "No data to migrate");
+        }
+    }
+
 }
 
 module.exports = Database;

server/jobs/clear-old-data.js

@@ -2,6 +2,7 @@ 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 DEFAULT_KEEP_PERIOD = 180;
 
@@ -11,11 +12,28 @@ const DEFAULT_KEEP_PERIOD = 180;
  */
 
 const clearOldData = async () => {
+
+    // TODO: Temporary disable for testing
+    return;
+
+    /*
+    * TODO:
+    * Since we have aggregated table now, we don't need so much data in heartbeat table.
+    * But we still need to keep the important rows, because they contain the message.
+    *
+    * In the heartbeat table:
+    *    - important rows: keep according to the setting (keepDataPeriodDays) (default 180 days)
+    *    - not important rows: keep 2 days
+    *
+    * stat_* tables:
+    *   - keep according to the setting (keepDataPeriodDays) (default 180 days)
+    */
+
     let period = await setting("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;
     }
 

server/model/monitor.js

@@ -153,6 +153,7 @@ class Monitor extends BeanModel {
             snmpOid: this.snmpOid,
             jsonPathOperator: this.jsonPathOperator,
             snmpVersion: this.snmpVersion,
+            rabbitmqNodes: JSON.parse(this.rabbitmqNodes),
             conditions: JSON.parse(this.conditions),
         };
 
@@ -183,6 +184,8 @@ class Monitor extends BeanModel {
                 tlsCert: this.tlsCert,
                 tlsKey: this.tlsKey,
                 kafkaProducerSaslOptions: JSON.parse(this.kafkaProducerSaslOptions),
+                rabbitmqUsername: this.rabbitmqUsername,
+                rabbitmqPassword: this.rabbitmqPassword,
             };
         }
 

server/monitor-types/rabbitmq.js

@@ -0,0 +1,67 @@
+const { MonitorType } = require("./monitor-type");
+const { log, UP, DOWN } = require("../../src/util");
+const { axiosAbortSignal } = require("../util-server");
+const axios = require("axios");
+
+class RabbitMqMonitorType extends MonitorType {
+    name = "rabbitmq";
+
+    /**
+     * @inheritdoc
+     */
+    async check(monitor, heartbeat, server) {
+        let baseUrls = [];
+        try {
+            baseUrls = JSON.parse(monitor.rabbitmqNodes);
+        } catch (error) {
+            throw new Error("Invalid RabbitMQ Nodes");
+        }
+
+        heartbeat.status = DOWN;
+        for (let baseUrl of baseUrls) {
+            try {
+                // Without a trailing slash, path in baseUrl will be removed. https://example.com/api -> https://example.com
+                if ( !baseUrl.endsWith("/") ) {
+                    baseUrl += "/";
+                }
+                const options = {
+                    // Do not start with slash, it will strip the trailing slash from baseUrl
+                    url: new URL("api/health/checks/alarms/", baseUrl).href,
+                    method: "get",
+                    timeout: monitor.timeout * 1000,
+                    headers: {
+                        "Accept": "application/json",
+                        "Authorization": "Basic " + Buffer.from(`${monitor.rabbitmqUsername || ""}:${monitor.rabbitmqPassword || ""}`).toString("base64"),
+                    },
+                    signal: axiosAbortSignal((monitor.timeout + 10) * 1000),
+                    // Capture reason for 503 status
+                    validateStatus: (status) => status === 200 || status === 503,
+                };
+                log.debug("monitor", `[${monitor.name}] Axios Request: ${JSON.stringify(options)}`);
+                const res = await axios.request(options);
+                log.debug("monitor", `[${monitor.name}] Axios Response: status=${res.status} body=${JSON.stringify(res.data)}`);
+                if (res.status === 200) {
+                    heartbeat.status = UP;
+                    heartbeat.msg = "OK";
+                    break;
+                } else if (res.status === 503) {
+                    heartbeat.msg = res.data.reason;
+                } else {
+                    heartbeat.msg = `${res.status} - ${res.statusText}`;
+                }
+            } catch (error) {
+                if (axios.isCancel(error)) {
+                    heartbeat.msg = "Request timed out";
+                    log.debug("monitor", `[${monitor.name}] Request timed out`);
+                } else {
+                    log.debug("monitor", `[${monitor.name}] Axios Error: ${JSON.stringify(error.message)}`);
+                    heartbeat.msg = error.message;
+                }
+            }
+        }
+    }
+}
+
+module.exports = {
+    RabbitMqMonitorType,
+};

server/server.js

@@ -718,6 +718,8 @@ let needSetup = false;
 
                 monitor.conditions = JSON.stringify(monitor.conditions);
 
+                monitor.rabbitmqNodes = JSON.stringify(monitor.rabbitmqNodes);
+
                 bean.import(monitor);
                 bean.user_id = socket.userID;
 
@@ -868,6 +870,9 @@ let needSetup = false;
                 bean.snmpOid = monitor.snmpOid;
                 bean.jsonPathOperator = monitor.jsonPathOperator;
                 bean.timeout = monitor.timeout;
+                bean.rabbitmqNodes = JSON.stringify(monitor.rabbitmqNodes);
+                bean.rabbitmqUsername = monitor.rabbitmqUsername;
+                bean.rabbitmqPassword = monitor.rabbitmqPassword;
                 bean.conditions = JSON.stringify(monitor.conditions);
 
                 bean.validate();
@@ -1599,18 +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);
 
@@ -1804,7 +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/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
@@ -189,11 +197,14 @@ 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);
 
@@ -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/uptime-kuma-server.js

@@ -115,6 +115,7 @@ class UptimeKumaServer {
         UptimeKumaServer.monitorTypeList["mqtt"] = new MqttMonitorType();
         UptimeKumaServer.monitorTypeList["snmp"] = new SNMPMonitorType();
         UptimeKumaServer.monitorTypeList["mongodb"] = new MongodbMonitorType();
+        UptimeKumaServer.monitorTypeList["rabbitmq"] = new RabbitMqMonitorType();
 
         // Allow all CORS origins (polling) in development
         let cors = undefined;
@@ -552,4 +553,5 @@ const { DnsMonitorType } = require("./monitor-types/dns");
 const { MqttMonitorType } = require("./monitor-types/mqtt");
 const { SNMPMonitorType } = require("./monitor-types/snmp");
 const { MongodbMonitorType } = require("./monitor-types/mongodb");
+const { RabbitMqMonitorType } = require("./monitor-types/rabbitmq");
 const Monitor = require("./model/monitor");

src/components/HeartbeatBar.vue

@@ -4,12 +4,18 @@
             <div
                 v-for="(beat, index) in shortBeatList"
                 :key="index"
+                class="beat-hover-area"
+                :class="{ 'empty': (beat === 0) }"
+                :style="beatHoverAreaStyle"
+                :title="getBeatTitle(beat)"
+            >
+                <div
                     class="beat"
                     :class="{ 'empty': (beat === 0), 'down': (beat.status === 0), 'pending': (beat.status === 2), 'maintenance': (beat.status === 3) }"
                     :style="beatStyle"
-                :title="getBeatTitle(beat)"
                 />
             </div>
+        </div>
         <div
             v-if="!$root.isMobile && size !== 'small' && beatList.length > 4 && $root.styleElapsedTime !== 'none'"
             class="d-flex justify-content-between align-items-center word" :style="timeStyle"
@@ -47,7 +53,7 @@ export default {
             beatWidth: 10,
             beatHeight: 30,
             hoverScale: 1.5,
-            beatMargin: 4,
+            beatHoverAreaPadding: 4,
             move: false,
             maxBeat: -1,
         };
@@ -123,7 +129,7 @@ export default {
 
         barStyle() {
             if (this.move && this.shortBeatList.length > this.maxBeat) {
-                let width = -(this.beatWidth + this.beatMargin * 2);
+                let width = -(this.beatWidth + this.beatHoverAreaPadding * 2);
 
                 return {
                     transition: "all ease-in-out 0.25s",
@@ -137,12 +143,17 @@ export default {
 
         },
 
+        beatHoverAreaStyle() {
+            return {
+                padding: this.beatHoverAreaPadding + "px",
+                "--hover-scale": this.hoverScale,
+            };
+        },
+
         beatStyle() {
             return {
                 width: this.beatWidth + "px",
                 height: this.beatHeight + "px",
-                margin: this.beatMargin + "px",
-                "--hover-scale": this.hoverScale,
             };
         },
 
@@ -152,7 +163,7 @@ export default {
          */
         timeStyle() {
             return {
-                "margin-left": this.numPadding * (this.beatWidth + this.beatMargin * 2) + "px",
+                "margin-left": this.numPadding * (this.beatWidth + this.beatHoverAreaPadding * 2) + "px",
             };
         },
 
@@ -219,20 +230,20 @@ export default {
         if (this.size !== "big") {
             this.beatWidth = 5;
             this.beatHeight = 16;
-            this.beatMargin = 2;
+            this.beatHoverAreaPadding = 2;
         }
 
         // Suddenly, have an idea how to handle it universally.
         // If the pixel * ratio != Integer, then it causes render issue, round it to solve it!!
         const actualWidth = this.beatWidth * window.devicePixelRatio;
-        const actualMargin = this.beatMargin * window.devicePixelRatio;
+        const actualHoverAreaPadding = this.beatHoverAreaPadding * window.devicePixelRatio;
 
         if (!Number.isInteger(actualWidth)) {
             this.beatWidth = Math.round(actualWidth) / window.devicePixelRatio;
         }
 
-        if (!Number.isInteger(actualMargin)) {
+        if (!Number.isInteger(actualHoverAreaPadding)) {
-            this.beatMargin = Math.round(actualMargin) / window.devicePixelRatio;
+            this.beatHoverAreaPadding = Math.round(actualHoverAreaPadding) / window.devicePixelRatio;
         }
 
         window.addEventListener("resize", this.resize);
@@ -245,7 +256,7 @@ export default {
          */
         resize() {
             if (this.$refs.wrap) {
-                this.maxBeat = Math.floor(this.$refs.wrap.clientWidth / (this.beatWidth + this.beatMargin * 2));
+                this.maxBeat = Math.floor(this.$refs.wrap.clientWidth / (this.beatWidth + this.beatHoverAreaPadding * 2));
             }
         },
 
@@ -273,11 +284,25 @@ export default {
 }
 
 .hp-bar-big {
-    .beat {
+    .beat-hover-area {
         display: inline-block;
+
+        &:not(.empty):hover {
+            transition: all ease-in-out 0.15s;
+            opacity: 0.8;
+            transform: scale(var(--hover-scale));
+        }
+
+        .beat {
             background-color: $primary;
             border-radius: $border-radius;
 
+            /*
+            pointer-events needs to be changed because
+            tooltip momentarily disappears when crossing between .beat-hover-area and .beat
+            */
+            pointer-events: none;
+
             &.empty {
                 background-color: aliceblue;
             }
@@ -293,11 +318,6 @@ export default {
             &.maintenance {
                 background-color: $maintenance;
             }
-
-        &:not(.empty):hover {
-            transition: all ease-in-out 0.15s;
-            opacity: 0.8;
-            transform: scale(var(--hover-scale));
         }
     }
 }

src/lang/en.json

@@ -1052,6 +1052,13 @@
     "Can be found on:": "Can be found on: {0}",
     "The phone number of the recipient in E.164 format.": "The phone number of the recipient in E.164 format.",
     "Either a text sender ID or a phone number in E.164 format if you want to be able to receive replies.":"Either a text sender ID or a phone number in E.164 format if you want to be able to receive replies.",
+    "RabbitMQ Nodes": "RabbitMQ Management Nodes",
+    "rabbitmqNodesDescription": "Enter the URL for the RabbitMQ management nodes including protocol and port. Example: {0}",
+    "rabbitmqNodesRequired": "Please set the nodes for this monitor.",
+    "rabbitmqNodesInvalid": "Please use a fully qualified (starting with 'http') URL for RabbitMQ nodes.",
+    "RabbitMQ Username": "RabbitMQ Username",
+    "RabbitMQ Password": "RabbitMQ Password",
+    "rabbitmqHelpText": "To use the monitor, you will need to enable the Management Plugin in your RabbitMQ setup. For more information, please consult the {rabitmq_documentation}.",
     "SendGrid API Key": "SendGrid API Key",
     "Separate multiple email addresses with commas": "Separate multiple email addresses with commas"
 }

src/pages/EditMonitor.vue

@@ -64,6 +64,9 @@
                                         <option value="mqtt">
                                             MQTT
                                         </option>
+                                        <option value="rabbitmq">
+                                            RabbitMQ
+                                        </option>
                                         <option value="kafka-producer">
                                             Kafka Producer
                                         </option>
@@ -90,6 +93,13 @@
                                         </option>
                                     </optgroup>
                                 </select>
+                                <i18n-t v-if="monitor.type === 'rabbitmq'" keypath="rabbitmqHelpText" tag="div" class="form-text">
+                                    <template #rabitmq_documentation>
+                                        <a href="https://www.rabbitmq.com/management" target="_blank" rel="noopener noreferrer">
+                                            RabbitMQ documentation
+                                        </a>
+                                    </template>
+                                </i18n-t>
                             </div>
 
                             <div v-if="monitor.type === 'tailscale-ping'" class="alert alert-warning" role="alert">
@@ -233,6 +243,43 @@
                                 </div>
                             </template>
 
+                            <template v-if="monitor.type === 'rabbitmq'">
+                                <!-- RabbitMQ Nodes List -->
+                                <div class="my-3">
+                                    <label for="rabbitmqNodes" class="form-label">{{ $t("RabbitMQ Nodes") }}</label>
+                                    <VueMultiselect
+                                        id="rabbitmqNodes"
+                                        v-model="monitor.rabbitmqNodes"
+                                        :required="true"
+                                        :multiple="true"
+                                        :options="[]"
+                                        :placeholder="$t('Enter the list of nodes')"
+                                        :tag-placeholder="$t('Press Enter to add node')"
+                                        :max-height="500"
+                                        :taggable="true"
+                                        :show-no-options="false"
+                                        :close-on-select="false"
+                                        :clear-on-select="false"
+                                        :preserve-search="false"
+                                        :preselect-first="false"
+                                        @tag="addRabbitmqNode"
+                                    ></VueMultiselect>
+                                    <div class="form-text">
+                                        {{ $t("rabbitmqNodesDescription", ["https://node1.rabbitmq.com:15672"]) }}
+                                    </div>
+                                </div>
+
+                                <div class="my-3">
+                                    <label for="rabbitmqUsername" class="form-label">RabbitMQ {{ $t("RabbitMQ Username") }}</label>
+                                    <input id="rabbitmqUsername" v-model="monitor.rabbitmqUsername" type="text" required class="form-control">
+                                </div>
+
+                                <div class="my-3">
+                                    <label for="rabbitmqPassword" class="form-label">{{ $t("RabbitMQ Password") }}</label>
+                                    <HiddenInput id="rabbitmqPassword" v-model="monitor.rabbitmqPassword" autocomplete="false" required="true"></HiddenInput>
+                                </div>
+                            </template>
+
                             <!-- Hostname -->
                             <!-- TCP Port / Ping / DNS / Steam / MQTT / Radius / Tailscale Ping / SNMP only -->
                             <div v-if="monitor.type === 'port' || monitor.type === 'ping' || monitor.type === 'dns' || monitor.type === 'steam' || monitor.type === 'gamedig' || monitor.type === 'mqtt' || monitor.type === 'radius' || monitor.type === 'tailscale-ping' || monitor.type === 'snmp'" class="my-3">
@@ -549,7 +596,7 @@
                             </div>
 
                             <!-- Timeout: HTTP / Keyword / SNMP only -->
-                            <div v-if="monitor.type === 'http' || monitor.type === 'keyword' || monitor.type === 'json-query' || monitor.type === 'snmp'" class="my-3">
+                            <div v-if="monitor.type === 'http' || monitor.type === 'keyword' || monitor.type === 'json-query' || monitor.type === 'snmp' || monitor.type === 'rabbitmq'" class="my-3">
                                 <label for="timeout" class="form-label">{{ $t("Request Timeout") }} ({{ $t("timeoutAfter", [ monitor.timeout || clampTimeout(monitor.interval) ]) }})</label>
                                 <input id="timeout" v-model="monitor.timeout" type="number" class="form-control" required min="0" step="0.1">
                             </div>
@@ -1122,6 +1169,9 @@ const monitorDefaults = {
     kafkaProducerAllowAutoTopicCreation: false,
     gamedigGivenPortOnly: true,
     remote_browser: null,
+    rabbitmqNodes: [],
+    rabbitmqUsername: "",
+    rabbitmqPassword: "",
     conditions: []
 };
 
@@ -1709,6 +1759,10 @@ message HealthCheckResponse {
             this.monitor.kafkaProducerBrokers.push(newBroker);
         },
 
+        addRabbitmqNode(newNode) {
+            this.monitor.rabbitmqNodes.push(newNode);
+        },
+
         /**
          * Validate form input
          * @returns {boolean} Is the form input valid?
@@ -1736,6 +1790,17 @@ message HealthCheckResponse {
                     return false;
                 }
             }
+
+            if (this.monitor.type === "rabbitmq") {
+                if (this.monitor.rabbitmqNodes.length === 0) {
+                    toast.error(this.$t("rabbitmqNodesRequired"));
+                    return false;
+                }
+                if (!this.monitor.rabbitmqNodes.every(node => node.startsWith("http://") || node.startsWith("https://"))) {
+                    toast.error(this.$t("rabbitmqNodesInvalid"));
+                    return false;
+                }
+            }
             return true;
         },
 

test/backend-test/test-rabbitmq.js

@@ -0,0 +1,53 @@
+const { describe, test } = require("node:test");
+const assert = require("node:assert");
+const { RabbitMQContainer } = require("@testcontainers/rabbitmq");
+const { RabbitMqMonitorType } = require("../../server/monitor-types/rabbitmq");
+const { UP, DOWN, PENDING } = require("../../src/util");
+
+describe("RabbitMQ Single Node", {
+    skip: !!process.env.CI && (process.platform !== "linux" || process.arch !== "x64"),
+}, () => {
+    test("RabbitMQ is running", async () => {
+        // The default timeout of 30 seconds might not be enough for the container to start
+        const rabbitMQContainer = await new RabbitMQContainer().withStartupTimeout(60000).start();
+        const rabbitMQMonitor = new RabbitMqMonitorType();
+        const connectionString = `http://${rabbitMQContainer.getHost()}:${rabbitMQContainer.getMappedPort(15672)}`;
+
+        const monitor = {
+            rabbitmqNodes: JSON.stringify([ connectionString ]),
+            rabbitmqUsername: "guest",
+            rabbitmqPassword: "guest",
+        };
+
+        const heartbeat = {
+            msg: "",
+            status: PENDING,
+        };
+
+        try {
+            await rabbitMQMonitor.check(monitor, heartbeat, {});
+            assert.strictEqual(heartbeat.status, UP);
+            assert.strictEqual(heartbeat.msg, "OK");
+        } finally {
+            rabbitMQContainer.stop();
+        }
+    });
+
+    test("RabbitMQ is not running", async () => {
+        const rabbitMQMonitor = new RabbitMqMonitorType();
+        const monitor = {
+            rabbitmqNodes: JSON.stringify([ "http://localhost:15672" ]),
+            rabbitmqUsername: "rabbitmqUser",
+            rabbitmqPassword: "rabbitmqPass",
+        };
+
+        const heartbeat = {
+            msg: "",
+            status: PENDING,
+        };
+
+        await rabbitMQMonitor.check(monitor, heartbeat, {});
+        assert.strictEqual(heartbeat.status, DOWN);
+    });
+
+});