Get GCP IAM Roles

gcp-roles.js

const cheerio = require('cheerio');
const fetch = require('node-fetch');
const fs = require('fs');

// roles["roles/accesscontextmanager.policyAdmin"]["en"]
const roles = {};

async function makePredefinedRoles(locale) {
  const response = await fetch(
    `https://cloud.google.com/iam/docs/understanding-roles?hl=${locale}`
  );
  const html = await response.text();
  const $ = await cheerio.load(html);

  if (locale === 'en') {
    $('div', '#predefined-roles').each((_, div) => {
      $(div)
        .find('tr')
        .each((_, tr) => {
          const role = $(tr).find('td')[0];

          const roleName = $(role).find('.role-name').text().trim();
          if (roleName === '') return;

          const permission = $(tr).find('td')[1];
          const permissions = [];

          $(permission)
            .find('li')
            .each((_, v) => permissions.push($(v).text()));

          roles[roleName] = { permissions };
        });
    });
  }

  $('div', '#predefined-roles').each((_, div) => {
    $(div)
      .find('tr')
      .each((_, tr) => {
        const role = $(tr).find('td')[0];

        const roleName = $(role).find('.role-name').text().trim();
        if (roleName === '') return;
        roles[roleName][locale] = {
          roleTitle: $(role).find('.role-title').text().trim(),
          roleName: roleName,
          roleDescription: $(role).find('.role-description').text().trim(),
        };
      });
  });
}

async function main() {
  await makePredefinedRoles('en');
  await makePredefinedRoles('ja');

  const jsonRoles = JSON.stringify(roles);

  fs.writeFile('roles.json', jsonRoles, (err) => console.error('error: ', err));
}

(async function () {
  await main();
})();

gistfile1.txt

$ node scripts/gcp-roles.js

roles.json