briareus/lib/service/middleware/validate-deployment-scopes.js

Briareus assists with Feature Branch deploys to ECS

'use strict'

const _ = require('lodash');
const Ajv = require('ajv');

const errors = require('../errors');

module.exports = function (service) {
  function extractEnvs(scopes, key) {
    return _.flatMap(scopes, (scope, scopeName) => {
      return _.flatMap(scope.containers, (containerName) => {
        return _.flatMap(_.toPairs(scope[key]), (env) => {
          return {
            id: `${containerName}/${env[0]}`,
            scope: scopeName,
            container: containerName,
            name: env[0],
            value: env[1]
          };
        });
      });
    });
  }

  return function (req, res, next) {
    let envs = extractEnvs(req.body.scopes, 'envs');
    let secrets = extractEnvs(req.body.scopes, 'secrets');
    let duplicateEnvs = _.map(_.filter(_.groupBy([].concat(envs, secrets), 'id'), (a) => a.length > 1), _.first);
    let envErrors = _.map(duplicateEnvs, (dupes) => {
      return {
        message: `Duplicate environment variable/secret detected. "${dupes.name}" was defined twice as Environment variable or Secret in container "${dupes.container}"`
      }
    });

    if (envErrors.length > 0) {
      return next(new errors.InputValidationError(envErrors));
    }

    req.body.envs = envs;
    req.body.secrets = secrets;

    next();
  }
}