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joplin/packages/app-cli/tools/populateDatabase.ts

111 lines
3.3 KiB
TypeScript

/* eslint-disable no-console */
// This script can be used to simulate a running production environment, by
// having multiple users in parallel changing notes and synchronising.
//
// To get it working:
//
// - Run the Postgres database -- `sudo docker-compose --file docker-compose.db-dev.yml up`
// - Update the DB parameters in ~/joplin-credentials/server.env to use the dev
// database
// - Run the server - `JOPLIN_IS_TESTING=1 yarn run start-dev`
// - Then run this script - `node populateDatabase.js`
//
// Currently it doesn't actually create the users, so that should be done using:
//
// curl --data '{"action": "createTestUsers", "count": 400, "fromNum": 1}' -H 'Content-Type: application/json' http://api.joplincloud.local:22300/api/debug
//
// That will create n users with email `user<n>@example.com`
import * as fs from 'fs-extra';
import { homedir } from 'os';
import { execCommand } from '@joplin/utils';
import { chdir } from 'process';
const minUserNum = 1;
const maxUserNum = 400;
const cliDir = `${__dirname}/..`;
const tempDir = `${__dirname}/temp`;
function randomInt(min: number, max: number) {
min = Math.ceil(min);
max = Math.floor(max);
return Math.floor(Math.random() * (max - min + 1)) + min;
}
const processing_: Record<number, boolean> = {};
const processUser = async (userNum: number) => {
if (processing_[userNum]) {
console.info(`User already being processed: ${userNum} - skipping`);
return;
}
processing_[userNum] = true;
try {
const userEmail = `user${userNum}@example.com`;
const userPassword = '111111';
const commandFile = `${tempDir}/populateDatabase-${userNum}.txt`;
const profileDir = `${homedir()}/.config/joplindev-populate/joplindev-testing-${userNum}`;
const commands: string[] = [];
const jackpot = Math.random() >= 0.95 ? 100 : 1;
commands.push(`testing createRandomNotes ${randomInt(1, 500 * jackpot)}`);
commands.push(`testing updateRandomNotes ${randomInt(1, 1500 * jackpot)}`);
commands.push(`testing deleteRandomNotes ${randomInt(1, 200 * jackpot)}`);
commands.push('config keychain.supported 0');
commands.push('config sync.target 10');
commands.push(`config sync.10.username ${userEmail}`);
commands.push(`config sync.10.password ${userPassword}`);
commands.push('sync');
await fs.writeFile(commandFile, commands.join('\n'), 'utf8');
await chdir(cliDir);
await execCommand(['yarn', 'run', 'start-no-build', '--', '--profile', profileDir, 'batch', commandFile]);
} catch (error) {
console.error(`Could not process user ${userNum}:`, error);
} finally {
delete processing_[userNum];
}
};
const waitForProcessing = (count: number) => {
return new Promise((resolve) => {
const iid = setInterval(() => {
if (Object.keys(processing_).length <= count) {
clearInterval(iid);
resolve(null);
}
}, 100);
});
};
const main = async () => {
await fs.mkdirp(tempDir);
// Build the app once before starting, because we'll use start-no-build to
// run the scripts (faster)
await execCommand(['yarn', 'run', 'build']);
const focusUserNum = 0;
while (true) {
let userNum = randomInt(minUserNum, maxUserNum);
if (focusUserNum && Math.random() >= .7) userNum = focusUserNum;
void processUser(userNum);
await waitForProcessing(10);
}
};
main().catch((error) => {
console.error('Fatal error', error);
process.exit(1);
});