mirror of
https://github.com/louislam/uptime-kuma.git
synced 2024-09-08 10:23:57 +00:00
prevent all monitors making requests at the same moment when start the server
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parent
64498163e1
commit
30b8d3d0ab
@ -1,7 +1,7 @@
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console.log("Welcome to Uptime Kuma");
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console.log("Welcome to Uptime Kuma");
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console.log("Node Env: " + process.env.NODE_ENV);
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console.log("Node Env: " + process.env.NODE_ENV);
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const { sleep, debug, TimeLogger } = require("../src/util");
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const { sleep, debug, TimeLogger, getRandomInt } = require("../src/util");
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console.log("Importing Node libraries")
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console.log("Importing Node libraries")
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const fs = require("fs");
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const fs = require("fs");
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@ -755,8 +755,11 @@ async function startMonitors() {
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let list = await R.find("monitor", " active = 1 ")
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let list = await R.find("monitor", " active = 1 ")
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for (let monitor of list) {
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for (let monitor of list) {
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monitor.start(io)
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monitor.start(io);
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monitorList[monitor.id] = monitor;
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monitorList[monitor.id] = monitor;
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// Give some delays, so all monitors won't make request at the same moment when just start the server.
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await sleep(getRandomInt(300, 1000));
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}
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}
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}
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}
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12
src/util.js
12
src/util.js
@ -1,6 +1,6 @@
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"use strict";
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.TimeLogger = exports.polyfill = exports.debug = exports.ucfirst = exports.sleep = exports.flipStatus = exports.PENDING = exports.UP = exports.DOWN = exports.appName = exports.isDev = void 0;
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exports.getRandomInt = exports.getRandomArbitrary = exports.TimeLogger = exports.polyfill = exports.debug = exports.ucfirst = exports.sleep = exports.flipStatus = exports.PENDING = exports.UP = exports.DOWN = exports.appName = exports.isDev = void 0;
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const _dayjs = require("dayjs");
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const _dayjs = require("dayjs");
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const dayjs = _dayjs;
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const dayjs = _dayjs;
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exports.isDev = process.env.NODE_ENV === "development";
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exports.isDev = process.env.NODE_ENV === "development";
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@ -58,3 +58,13 @@ class TimeLogger {
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}
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}
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}
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}
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exports.TimeLogger = TimeLogger;
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exports.TimeLogger = TimeLogger;
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function getRandomArbitrary(min, max) {
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return Math.random() * (max - min) + min;
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}
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exports.getRandomArbitrary = getRandomArbitrary;
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function getRandomInt(min, max) {
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min = Math.ceil(min);
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max = Math.floor(max);
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return Math.floor(Math.random() * (max - min + 1)) + min;
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}
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exports.getRandomInt = getRandomInt;
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22
src/util.ts
22
src/util.ts
@ -81,3 +81,25 @@ export class TimeLogger {
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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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/**
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* Returns a random number between min (inclusive) and max (exclusive)
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*/
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export function getRandomArbitrary(min, max) {
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return Math.random() * (max - min) + min;
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}
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/**
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* From: https://stackoverflow.com/questions/1527803/generating-random-whole-numbers-in-javascript-in-a-specific-range
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*
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* Returns a random integer between min (inclusive) and max (inclusive).
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* The value is no lower than min (or the next integer greater than min
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* if min isn't an integer) and no greater than max (or the next integer
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* lower than max if max isn't an integer).
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* Using Math.round() will give you a non-uniform distribution!
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*/
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export function getRandomInt(min, max) {
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min = Math.ceil(min);
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max = Math.floor(max);
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return Math.floor(Math.random() * (max - min + 1)) + min;
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}
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