@stokr/utils/libs/secret.js

STOKR - Utils

import fs from "fs";
import util from "util";
import log from "./log.js";

export default {
  // Get a secret from its name
  get(secret, fallback) {
    log.info(`Loading secret ${secret}.`);
    try {
      // Swarm secret are accessible within tmpfs /run/secrets dir
      // the call to trim() is really important as it removes the trailing "\n"
      return fs
        .readFileSync(util.format("/run/secrets/%s", secret), "utf8")
        .trim();
    } catch (error) {
      if (fallback !== undefined) {
        log.warn(`Secret ${secret} not found, using fallback value.`);
        return fallback;
      }
      log.error(error);
    }
  },
};