Getting OpenFaaS secrets

node.js

const { promises: fs } = require('fs');

/**
 * Get Secret
 *
 * Get a secret
 *
 * @link https://docs.openfaas.com/reference/secrets/#use-the-secret-in-your-function
 * @param {string} secretName
 * @returns {Promise<string>}
 */
async function getSecret(secretName) {
  try {
    return await fs.readFile(`/var/openfaas/secrets/${secretName}`, 'utf8');
  } catch (err) {
    /* Legacy/Docker Compose location */
    return fs.readFile(`/run/secrets/${secretName}`, 'utf8');
  }
}

node.ts

import { promises as fs } from 'fs';

/**
 * Get Secret
 *
 * Get a secret
 *
 * @link https://docs.openfaas.com/reference/secrets/#use-the-secret-in-your-function
 * @param {string} secretName
 * @returns {Promise<string>}
 */
async function getSecret(secretName) {
  try {
    return await fs.readFile(`/var/openfaas/secrets/${secretName}`, 'utf8');
  } catch {
    /* Legacy/Docker Compose location */
    return fs.readFile(`/run/secrets/${secretName}`, 'utf8');
  }
}