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Add support for custom mongodb commands (#4445)

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Co-authored-by: Sebastian Lang <sebastian.lang@damovo.com>
Co-authored-by: Frank Elsinga <frank@elsinga.de>
This commit is contained in:
Sebastian Lang 2024-05-19 21:59:57 +02:00 committed by GitHub
parent e856cb6007
commit a3ac954140
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GPG Key ID: B5690EEEBB952194
6 changed files with 96 additions and 29 deletions
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11
server/model/monitor.js
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@ -5,7 +5,7 @@ const { log, UP, DOWN, PENDING, MAINTENANCE, flipStatus, MAX_INTERVAL_SECOND, MI
SQL_DATETIME_FORMAT
} = require("../../src/util");
const { tcping, ping, checkCertificate, checkStatusCode, getTotalClientInRoom, setting, mssqlQuery, postgresQuery, mysqlQuery, setSetting, httpNtlm, radius, grpcQuery,
redisPingAsync, mongodbPing, kafkaProducerAsync, getOidcTokenClientCredentials, rootCertificatesFingerprints, axiosAbortSignal
redisPingAsync, kafkaProducerAsync, getOidcTokenClientCredentials, rootCertificatesFingerprints, axiosAbortSignal
} = require("../util-server");
const { R } = require("redbean-node");
const { BeanModel } = require("redbean-node/dist/bean-model");
@ -822,15 +822,6 @@ class Monitor extends BeanModel {
bean.msg = await mysqlQuery(this.databaseConnectionString, this.databaseQuery || "SELECT 1", mysqlPassword);
bean.status = UP;
bean.ping = dayjs().valueOf() - startTime;
} else if (this.type === "mongodb") {
let startTime = dayjs().valueOf();
await mongodbPing(this.databaseConnectionString);
bean.msg = "";
bean.status = UP;
bean.ping = dayjs().valueOf() - startTime;
} else if (this.type === "radius") {
let startTime = dayjs().valueOf();

65
server/monitor-types/mongodb.js Normal file
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@ -0,0 +1,65 @@
const { MonitorType } = require("./monitor-type");
const { UP } = require("../../src/util");
const { MongoClient } = require("mongodb");
const jsonata = require("jsonata");
class MongodbMonitorType extends MonitorType {
name = "mongodb";
/**
* @inheritdoc
*/
async check(monitor, heartbeat, _server) {
let command = { "ping": 1 };
if (monitor.databaseQuery) {
command = JSON.parse(monitor.databaseQuery);
}
let result = await this.runMongodbCommand(monitor.databaseConnectionString, command);
if (result["ok"] !== 1) {
throw new Error("MongoDB command failed");
} else {
heartbeat.msg = "Command executed successfully";
}
if (monitor.jsonPath) {
let expression = jsonata(monitor.jsonPath);
result = await expression.evaluate(result);
if (result) {
heartbeat.msg = "Command executed successfully and the jsonata expression produces a result.";
} else {
throw new Error("Queried value not found.");
}
}
if (monitor.expectedValue) {
if (result.toString() === monitor.expectedValue) {
heartbeat.msg = "Command executed successfully and expected value was found";
} else {
throw new Error("Query executed, but value is not equal to expected value, value was: [" + JSON.stringify(result) + "]");
}
}
heartbeat.status = UP;
}
/**
* Connect to and run MongoDB command on a MongoDB database
* @param {string} connectionString The database connection string
* @param {object} command MongoDB command to run on the database
* @returns {Promise<(string[] | object[] | object)>} Response from
* server
*/
async runMongodbCommand(connectionString, command) {
let client = await MongoClient.connect(connectionString);
let result = await client.db().command(command);
await client.close();
return result;
}
}
module.exports = {
MongodbMonitorType,
};

2
server/uptime-kuma-server.js
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@ -113,6 +113,7 @@ class UptimeKumaServer {
UptimeKumaServer.monitorTypeList["tailscale-ping"] = new TailscalePing();
UptimeKumaServer.monitorTypeList["dns"] = new DnsMonitorType();
UptimeKumaServer.monitorTypeList["mqtt"] = new MqttMonitorType();
UptimeKumaServer.monitorTypeList["mongodb"] = new MongodbMonitorType();
// Allow all CORS origins (polling) in development
let cors = undefined;
@ -516,3 +517,4 @@ const { RealBrowserMonitorType } = require("./monitor-types/real-browser-monitor
const { TailscalePing } = require("./monitor-types/tailscale-ping");
const { DnsMonitorType } = require("./monitor-types/dns");
const { MqttMonitorType } = require("./monitor-types/mqtt");
const { MongodbMonitorType } = require("./monitor-types/mongodb");

19
server/util-server.js
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@ -11,7 +11,6 @@ const mssql = require("mssql");
const { Client } = require("pg");
const postgresConParse = require("pg-connection-string").parse;
const mysql = require("mysql2");
const { MongoClient } = require("mongodb");
const { NtlmClient } = require("axios-ntlm");
const { Settings } = require("./settings");
const grpc = require("@grpc/grpc-js");
@ -437,24 +436,6 @@ exports.mysqlQuery = function (connectionString, query, password = undefined) {
});
};
/**
* Connect to and ping a MongoDB database
* @param {string} connectionString The database connection string
* @returns {Promise<(string[] | object[] | object)>} Response from
* server
*/
exports.mongodbPing = async function (connectionString) {
let client = await MongoClient.connect(connectionString);
let dbPing = await client.db().command({ ping: 1 });
await client.close();
if (dbPing["ok"] === 1) {
return "UP";
} else {
throw Error("failed");
}
};
/**
* Query radius server
* @param {string} hostname Hostname of radius server

2
src/lang/en.json
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@ -902,6 +902,8 @@
"deleteRemoteBrowserMessage": "Are you sure want to delete this Remote Browser for all monitors?",
"GrafanaOncallUrl": "Grafana Oncall URL",
"Browser Screenshot": "Browser Screenshot",
"Command": "Command",
"mongodbCommandDescription": "Run a MongoDB command against the database. For information about the available commands check out the {documentation}",
"wayToGetSevenIOApiKey": "Visit the dashboard under app.seven.io > developer > api key > the green add button",
"senderSevenIO": "Sending number or name",
"receiverSevenIO": "Receiving number",

26
src/pages/EditMonitor.vue
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@ -434,6 +434,32 @@
</div>
</template>
<!-- MongoDB -->
<template v-if="monitor.type === 'mongodb'">
<div class="my-3">
<label for="mongodbCommand" class="form-label">{{ $t("Command") }}</label>
<textarea id="mongodbCommand" v-model="monitor.databaseQuery" class="form-control" :placeholder="$t('Example:', [ '{ &quot;ping&quot;: 1 }' ])"></textarea>
<i18n-t tag="div" class="form-text" keypath="mongodbCommandDescription">
<template #documentation>
<a href="https://www.mongodb.com/docs/manual/reference/command/">{{ $t('documentationOf', ['MongoDB']) }}</a>
</template>
</i18n-t>
</div>
<div class="my-3">
<label for="jsonPath" class="form-label">{{ $t("Json Query") }}</label>
<input id="jsonPath" v-model="monitor.jsonPath" type="text" class="form-control">
<i18n-t tag="div" class="form-text" keypath="jsonQueryDescription">
<a href="https://jsonata.org/">jsonata.org</a>
<a href="https://try.jsonata.org/">{{ $t('here') }}</a>
</i18n-t>
</div>
<div class="my-3">
<label for="expectedValue" class="form-label">{{ $t("Expected Value") }}</label>
<input id="expectedValue" v-model="monitor.expectedValue" type="text" class="form-control">
</div>
</template>
<!-- Interval -->
<div class="my-3">
<label for="interval" class="form-label">{{ $t("Heartbeat Interval") }} ({{ $t("checkEverySecond", [ monitor.interval ]) }})</label>