aws-ssm-manager/parser.js

Manage Parameter Store Secrets in AWS

import fs from "fs/promises";
import * as fsSync from "fs";
import { ssmConfigOptions } from "./config.js";

export async function parseAwsConfig() {
	const homeDir = process.env.HOME;
	const awsConfig = `${homeDir}/.aws/credentials`;

	const configFile = await fs
		.readFile(awsConfig)
		.catch((err) => console.error(`Failed to read ${awsConfig} file`, err));

	const profileList = await configFile
		.toString()
		.split("\n")
		.filter((profiles) => profiles[0] === "[");
	return profileList;
}

export function isDir() {
	const dir = ssmConfigOptions.outputDir;

	if (!fsSync.existsSync(dir)) {
		console.log(`Creating ${dir} directory...`);
		console.log("=============================\n");
		fsSync.mkdirSync(dir);
	}
}

export async function saveToFile(params, profile, region) {
	isDir();

	const input = JSON.stringify(params, null, 2);
	const output = {
		dir: ssmConfigOptions.outputDir,
		head: region.toLowerCase().slice(0, 2),
		mid: region[3],
		tail: region[region.length - 1],
		profile: profile.toLowerCase(),
	};
	const fileName = `${output.dir}/${output.profile}-${output.head}${output.mid}${output.tail}.json`;

	await fs
		.writeFile(fileName, input)
		.then(() => console.log(`Generated output saved to ${fileName}`));
}