@mailprotector/haraka-plugin-secrets-manager/index.js

A Haraka plugin for parsing config files with EJS to inject environment variables into config files on initialize

((fs, ejs) => {

  let parseConfig = async (configPath, writeFileSync, plugin) => {
    await ejs.renderFile(`${process.env.CONFIG_PATH}/${configPath}`, process.env, (ejs_err, fileContents) => {
      if (ejs_err) {
        plugin.logerror(`Error loading config - ${process.env.CONFIG_PATH}/config/${configPath}`, plugin);
      }

      writeFileSync(`${process.env.CONFIG_PATH}/${configPath}`, fileContents);
      plugin.loginfo(`${process.env.CONFIG_PATH}/${configPath}`)
    });
  };


  let buildPluginFunction = ({ readdirSync, writeFileSync }, ejs) => {
    return function (done) {
      let plugin = this;

      let results = readdirSync(process.env.CONFIG_PATH, { withFileTypes: true });
      results = results.filter(f => { return f.isFile() });
 
      results.forEach(f => {
        parseConfig(f.name, writeFileSync, plugin);
      });

      done();
    };
  };

  exports.load_secrets_test = buildPluginFunction;

  exports.register = function () {
    this.register_hook('init_master', 'load_secrets', -100);
  };

  exports.load_secrets = buildPluginFunction(fs, ejs);
})(require('fs'), require('ejs'));