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const MongoClient = require("mongodb").MongoClient; | |
const tracer = require("dd-trace").init(); | |
const StatsD = require("hot-shots"); | |
const dogstatsd = new StatsD(); | |
function getRandomInt(max, skews = 1) { | |
let result = max; | |
for (let i = 0; i < skews; i++) { | |
result = Math.random() * result; | |
} | |
return Math.floor(result); | |
} | |
function getRandomArrayItem(arr, skews) { | |
const position = getRandomInt(arr.length, skews); | |
return arr[position]; | |
} | |
async function wasteTime(fakeServerLogs, data, action) { | |
let result; | |
switch (action) { | |
case "write": | |
result = await fakeServerLogs.insertOne(data); | |
break; | |
case "read": | |
result = await fakeServerLogs.find(data); | |
break; | |
case "delete": | |
result = await fakeServerLogs.deleteMany(data); | |
console.log("Deleted " + result.deletedCount) | |
break; | |
default: break; | |
} | |
return new Promise((resolve) => setTimeout(resolve, 100)); | |
} | |
async function run() { | |
const client = new MongoClient("mongodb://localhost:27017"); | |
let isNow = false; | |
const currentTime = new Date().getTime(); | |
let prevTime = new Date("2021-02-25T03:24:00").getTime(); | |
const endpointArray = ["/index", "/cart", "/checkout", "/contact_us"]; | |
const responseTypeArray = ["200", "404", "500"]; | |
try { | |
await client.connect(); | |
const db = client.db("admin"); | |
const fakeServerLogs = db.collection("fake_server_logs"); | |
while (!isNow) { | |
prevTime = new Date(prevTime + getRandomInt(1000000, 4)).getTime(); | |
if (prevTime > currentTime) { | |
isNow = true; | |
} else { | |
const responseTime = getRandomInt(1000); | |
// create new data object | |
const writeableDocument = { | |
path: getRandomArrayItem(endpointArray, 2), | |
received_timestamp: new Date(prevTime).toISOString(), | |
response_timestamp: new Date(prevTime + responseTime).toISOString(), | |
response_time: responseTime, | |
response_code: getRandomArrayItem(responseTypeArray, 3), | |
}; | |
const readableData = { | |
path: getRandomArrayItem(endpointArray, 2), | |
} | |
await wasteTime(fakeServerLogs, writeableDocument, "write"); | |
await wasteTime(fakeServerLogs, readableData, "read"); | |
if ((getRandomInt(1000) % 5) === 0) { | |
const deletableData = { path: endpointArray[0]} | |
await wasteTime(fakeServerLogs, deletableData, "delete") | |
} | |
} | |
} | |
} finally { | |
await client.close(); | |
} | |
} | |
run().catch(console.dir); |
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