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Add support for MySQL/MariaDB databases #1817

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This commit adds support for monitoring MySQL and MariaDB database
servers. The mysql2 package was choosen over mysql as it provides a
promise wrapper and is reportedly faster than the original mysql package
whilst still maintaining the same API.

Signed-off-by: Matthew Nickson <mnickson@sidingsmedia.com>
pull/2151/head
Matthew Nickson 2 years ago
parent 314ae38f91
commit f9be918246
No known key found for this signature in database
GPG Key ID: BF229DCFD4748E05
5 changed files with 206 additions and 3 deletions
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165
package-lock.json generated
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@ -38,6 +38,7 @@
"limiter": "^2.1.0",
"mqtt": "^4.2.8",
"mssql": "^8.1.0",
"mysql2": "^2.3.3",
"node-cloudflared-tunnel": "~1.0.9",
"node-radius-client": "^1.0.0",
"nodemailer": "~6.6.5",
@ -6359,6 +6360,14 @@
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@ -8449,6 +8458,14 @@
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@ -12334,6 +12356,11 @@
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@ -12756,6 +12783,49 @@
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@ -23747,6 +23840,14 @@
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@ -26637,6 +26743,11 @@
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@ -26955,6 +27066,45 @@
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"resolved": "https://registry.npmjs.org/mysql2/-/mysql2-2.3.3.tgz",
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@ -28677,6 +28832,11 @@
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1
package.json
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@ -94,6 +94,7 @@
"limiter": "^2.1.0",
"mqtt": "^4.2.8",
"mssql": "^8.1.0",
"mysql2": "^2.3.3",
"node-cloudflared-tunnel": "~1.0.9",
"node-radius-client": "^1.0.0",
"nodemailer": "~6.6.5",

10
server/model/monitor.js
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@ -7,7 +7,7 @@ dayjs.extend(timezone);
const axios = require("axios");
const { Prometheus } = require("../prometheus");
const { log, UP, DOWN, PENDING, flipStatus, TimeLogger } = require("../../src/util");
const { tcping, ping, dnsResolve, checkCertificate, checkStatusCode, getTotalClientInRoom, setting, mssqlQuery, postgresQuery, mqttAsync, setSetting, httpNtlm, radius } = require("../util-server");
const { tcping, ping, dnsResolve, checkCertificate, checkStatusCode, getTotalClientInRoom, setting, mssqlQuery, postgresQuery, mysqlQuery, mqttAsync, setSetting, httpNtlm, radius } = require("../util-server");
const { R } = require("redbean-node");
const { BeanModel } = require("redbean-node/dist/bean-model");
const { Notification } = require("../notification");
@ -528,6 +528,14 @@ class Monitor extends BeanModel {
await postgresQuery(this.databaseConnectionString, this.databaseQuery);
bean.msg = "";
bean.status = UP;
bean.ping = dayjs().valueOf() - startTime;
} else if (this.type === "mysql") {
let startTime = dayjs().valueOf();
await mysqlQuery(this.databaseConnectionString, this.databaseQuery);
bean.msg = "";
bean.status = UP;
bean.ping = dayjs().valueOf() - startTime;

23
server/util-server.js
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@ -13,6 +13,7 @@ const { badgeConstants } = require("./config");
const mssql = require("mssql");
const { Client } = require("pg");
const postgresConParse = require("pg-connection-string").parse;
const mysql = require("mysql2/promise");
const { NtlmClient } = require("axios-ntlm");
const { Settings } = require("./settings");
const radiusClient = require("node-radius-client");
@ -291,6 +292,28 @@ exports.postgresQuery = function (connectionString, query) {
});
};
/**
* Run a query on MySQL/MariaDB
* @param {string} connectionString The database connection string
* @param {string} query The query to validate the database with
* @returns {Promise<(string[]|Object[]|Object)>}
*/
exports.mysqlQuery = function (connectionString, query) {
return new Promise((resolve, reject) => {
return mysql.createConnection(connectionString)
.then(connection => {
connection.connect();
return connection.query(query);
})
.then(res => {
resolve(res);
})
.catch(err => {
reject(err);
});
});
};
exports.radius = function (
hostname,
username,

10
src/pages/EditMonitor.vue
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@ -51,6 +51,9 @@
<option value="postgres">
PostgreSQL
</option>
<option value="mysql">
MySQL/MariaDB
</option>
<option value="radius">
Radius
</option>
@ -235,8 +238,8 @@
</div>
</template>
<!-- SQL Server and PostgreSQL -->
<template v-if="monitor.type === 'sqlserver' || monitor.type === 'postgres'">
<!-- SQL Server / PostgreSQL / MySQL -->
<template v-if="monitor.type === 'sqlserver' || monitor.type === 'postgres' || monitor.type === 'mysql'">
<div class="my-3">
<label for="sqlConnectionString" class="form-label">{{ $t("Connection String") }}</label>
@ -246,6 +249,9 @@
<template v-if="monitor.type === 'postgres'">
<input id="sqlConnectionString" v-model="monitor.databaseConnectionString" type="text" class="form-control" placeholder="postgres://username:password@host:port/database">
</template>
<template v-if="monitor.type === 'mysql'">
<input id="sqlConnectionString" v-model="monitor.databaseConnectionString" type="text" class="form-control" placeholder="mysql://username:password@host:port/database">
</template>
</div>
<div class="my-3">
<label for="sqlQuery" class="form-label">{{ $t("Query") }}</label>

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