@adp-psych/container-tools/bin/install-external-dns.js

Tools for using containers for psychology experiments

#!/usr/bin/env node

/*
 * Copyright (C) 2021, 2022  Anthony Di Pietro
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

/**
 * @file Installs [ExternalDNS](https://github.com/kubernetes-sigs/external-dns)
 * to a [Kubernetes](https://kubernetes.io/) cluster
 * using [Helm](https://helm.sh/).
 *
 * @requires install-external-dns
 * @author Anthony Di Pietro <anthony.dipietro@research.uwa.edu.au>
 * @copyright © 2021, 2022 Anthony Di Pietro
 * @license AGPL-3.0-or-later
 */

const dotenv = require('dotenv-defaults');

const installExternalDns = require('../lib/install-external-dns.js');

const BINARY_NAME = 'install-external-dns';

const DEFAULT_EXTERNAL_DNS_VERSION = '6.7.2';

const usage = () => {
	console.error(`Usage: ${BINARY_NAME} [version]`);
	console.error('');
	console.error(`Example: ${BINARY_NAME} 6.7.2`);
	console.error('');
	console.error('The DIGITALOCEAN_DNS_API_TOKEN environment variable');
	console.error('must contain the DigitalOcean API token.');
};

const main = async () => {
	const version = process.argv[2] ?? DEFAULT_EXTERNAL_DNS_VERSION;

	if (version === '--help' || version === '-h') {
		usage();
	} else {
		dotenv.config();
		const apiToken = process.env.DIGITALOCEAN_DNS_API_TOKEN;
		if (typeof apiToken === 'undefined') {
			usage();
			process.exitCode = 1;
		} else {
			try {
				await installExternalDns(version, apiToken);
			} catch (error) {
				/* eslint-disable require-atomic-updates --
				 * False positive. */
				process.exitCode = error;
				/* eslint-enable require-atomic-updates --
				 * Reenabling. */
			}
		}
	}
};

main();