mc-core/src/cli/commands/setup.js

Deployments made simple

#!/usr/bin/env node
'use strict'

let fs = require('fs')
let colors = require('colors/safe')
let redis = require('redis')
let knex = require('knex')
let promptly = require('promptly')
let bcrypt = require('bcryptjs')

const ENV_FILE_PATH = '.env'
const MIGRATIONS_SOURCE_PATH = 'node_modules/mc-core/src/db/migrations'

module.exports = () => {

// Check .env file exits
  try {
    fs.accessSync(ENV_FILE_PATH)
  } catch (err) {
    console.log(colors.red('We could not load your .env file.'))
    console.log(colors.yellow('Check these requirements before proceeding.'))

    // .env instructions
    console.log(colors.white('1) .env file exists'))
    console.log(colors.grey('Use the .env.example file to get started.'))

    // Redis instructions
    console.log(colors.white('2) Redis is installed and running'))
    console.log(colors.grey('If running locally on OSX use brew to install and start Redis.'))

    // MySQL instructions
    console.log(colors.white('3) MySQL is installed and running'))
    console.log(colors.grey('If running locally on OSX use brew to install and start MySQL'))

    process.exit(1)
  }

  require('dotenv').load({
    path: ENV_FILE_PATH
  })

// Check options
  if (!process.env.SECRET_KEY) {
    console.log(colors.red('Your .env file is missing a SECRET_KEY. This is used to sign JWT issued to Mission Control users.'))
  }
  if (!process.env.DB_USER) {
    console.log(colors.yellow('Your .env file is missing the MySQL DB_USER'))
  }
  if (!process.env.DB_PASS) {
    console.log(colors.yellow('Your .env file is missing the MySQL DB_PASS'))
  }
  if (!process.env.DB_HOST) {
    console.log(colors.yellow('Your .env file is missing the MySQL DB_HOST'))
  }
  if (!process.env.DB_NAME) {
    console.log(colors.yellow('Your .env file is missing the MySQL DB_NAME'))
  }
  if (!process.env.REDIS_HOST) {
    console.log(colors.yellow('Your .env file is missing the Redis REDIS_HOST'))
  }
  if (!process.env.REDIS_PORT) {
    console.log(colors.yellow('Your .env file is missing the Redis REDIS_PORT'))
  }

  const redisClient = redis.createClient(process.env.REDIS_PORT, process.env.REDIS_HOST)
  const mysql = knex({
    client: 'mysql2',
    connection: {
      host: process.env.DB_HOST,
      user: process.env.DB_USER,
      password: process.env.DB_PASS,
      database: process.env.DB_NAME
    }
  })

// Run Setup
  checkRedisConn()
    .then(checkMysqlConn)
    .then(checkMysqlUserTable)
    .then(createMysqlUserTable)
    .then(createMysqlUserRecord)
    .then(() => process.exit(0))

  function checkRedisConn() {
    return new Promise((resolve) => {
      redisClient
        .on('connect', () => {
          console.log(colors.green('Redis: Connected'))
          resolve()
        })
        .on('error', (err) => {
          console.log(colors.red('Redis: Connection Error'), err)
          process.exit(1)
        })
    })
  }

  function checkMysqlConn() {
    return new Promise((resolve) => {
      mysql
        .raw('select 1 as dbIsUp')
        .then(() => {
          console.log(colors.green('MySQL: Connected'))
          resolve()
        })
        .catch((err) => {
          console.log(colors.red('MySQL', err))
        })
    })
  }

  function checkMysqlUserTable() {
    return new Promise((resolve) => {
      mysql
        .schema
        .hasTable('users')
        .then((exists) => {
          if (!exists) {
            console.log(colors.red('MySQL: Missing users table.'))
          } else {
            console.log(colors.green('MySQL: Users table exists.'))
          }
          resolve()
        })
    })
  }

  function createMysqlUserTable() {
    return new Promise((resolve) => {
      promptly.confirm('Run Mission Control MySQL Migrations? [y/n]', (err, value) => {
        if (err) {
          console.log(err)
        }
        if (value) {
          console.log(colors.gray('Running Migrations...'))
          mysql
            .migrate
            .latest({
              directory: MIGRATIONS_SOURCE_PATH
            })
            .then(() => {
              console.log(colors.green('Migrations Completed'))
              resolve()
            })
            .catch((err) => {
              console.log(colors.red('migrations error: '), err)
              process.exit(1)
            })
        } else {
          resolve()
        }
      })
    })
  }

  function enterEmail() {
    return new Promise((resolve) => {
      promptly.prompt('Enter your Misison Control email.', (err, email) => {
        if (err) {
          console.log(err)
        }
        resolve({email})
      })
    })
  }

  function enterPassword(user) {
    return new Promise((resolve) => {
      promptly.prompt('Enter your Misison Control password.', (err, password) => {
        if (err) {
          console.log(err)
        }
        user['password'] = bcrypt.hashSync(password, 10)
        resolve(user)
      })
    })
  }

  function enterFirstName(user) {
    return new Promise((resolve) => {
      promptly.prompt('Enter your First Name.', (err, first) => {
        if (err) {
          console.log(err)
        }
        user['first_name'] = first
        resolve(user)
      })
    })
  }

  function enterLastName(user) {
    return new Promise((resolve) => {
      promptly.prompt('Enter your Last Name.', (err, last) => {
        if (err) {
          console.log(err)
        }
        user['last_name'] = last
        resolve(user)
      })
    })
  }

// Setup new Mission Control User
  function createMysqlUserRecord() {
    return new Promise((resolve) => {
      promptly.confirm('Setup new user? [y/n]', (err, value) => {
        if (err) {
          console.log(err)
        }

        if (value) {

          let promise = enterEmail()
            .then(enterPassword)
            .then(enterFirstName)
            .then(enterLastName)

          promise.then((user) => {
            mysql('users')
              .insert(user)
              .then(() => {
                resolve()
              })
              .catch((err) => {
                console.log(colors.red('MySQL Error: '), err)
              })
          })
        } else {
          process.exit(0)
        }
      })
    })
  }

}