@porosys/pss/lib/db/commands/db-block-attackers/db-block-attackers.command.ts

Porosys Server Setup (pss): General-purpose server setup and automation tool (including Netdata management)

import { execa } from "execa";
import fsExtra from "fs-extra";
import { isCronJobPresent } from "../../../utils/is-cron-job-present.util";
import path from "path";
import { getDirname } from "../../../utils/dirname-from-import-meta.util";

const { readFileSync, writeFileSync } = fsExtra;

const dirname = getDirname(import.meta);

export const dbBlockAttackersCommand = async () => {
    const tempaltePath = path.join(
        dirname,
        'db-block-attackers.template.sh',
      );

    let content = readFileSync(tempaltePath, 'utf-8');
    content = content.replace('__DB_PORT__', '27017');
    
    const scriptPath = '/usr/local/bin/db-block-attackers.sh';
    
    writeFileSync(scriptPath, content);

    if (!(await isCronJobPresent(scriptPath))) {
        const cronJob = `* * * * * ${scriptPath}`; // every minute
        await execa(`(crontab -l 2>/dev/null; echo "${cronJob}") | crontab -`, {
          shell: true,
          stdio: 'inherit',
        });
        console.log(`✅ Cron job for db-block-attackers setup successfully.`);
      } else {
        console.log(`ℹ️  Cron job for db-block-attackers already exists.`);
      }
    console.log('✅ DB block attackers script setup completed.');
}