validate-config.js

'use strict';
const get = require('lodash/get');
const path = require('path');
const filter = require('lodash/filter');
const Promise = require('bluebird')

const errors = require('../../../errors');
const Config = require('../../../utils/config');
const advancedOptions = require('../../config/advanced');

const taskTitle = 'Validating config';

function validateConfig(ctx) {
    const config = Config.exists(path.join(process.cwd(), `config.${ctx.system.environment}.json`));

    if (config === false) {
        return Promise.reject(new errors.ConfigError({
            environment: ctx.system.environment,
            message: 'Config file is not valid JSON',
            task: taskTitle
        }));
    }

    const configValidations = filter(advancedOptions, cfg => cfg.validate);

    return Promise.each(configValidations, (configItem) => {
        const key = configItem.configPath || configItem.name
        const value = get(config, key);

        if (!value) {
            return;
        }

        return Promise.resolve(configItem.validate(value)).then((validated) => {
            if (validated !== true) {
                return Promise.reject(new errors.ConfigError({
                    config: {
                        [key]: value
                    },
                    message: validated,
                    environment: ctx.system.environment,
                    task: taskTitle
                }));
            }
        });
    });
}

module.exports = {
    title: taskTitle,
    task: validateConfig,
    skip: (ctx) => ctx.instance && ctx.instance.process.isRunning(ctx.instance.dir),
    category: ['start']
}