@incdevco/framework/gulp/setup-developer-environment/index.js

node.js lambda framework

var fs = require('fs');

var gutil = require('gulp-util');
var ini = require('ini');
var mkdirp = require('mkdirp');
var Prompt = require('../../prompt');

var homeDir = require('os').homedir();

module.exports = function (config) {
  'use strict';
  
  config = config || {};
  
  var awsConfig = {};
  var awsConfigFileName = homeDir + '/.aws/config';
  
  var awsCredentials = {};
  var awsCredentialsFileName = homeDir + '/.aws/credentials';
  
  var developerDetails = {};
  var developerDetailsFileName = homeDir + '/.incdevco/developer_details.json';
  
  function loadIniFile(filename, encoding) {
    'use strict';
    
    var contents;
    
    encoding = encoding || 'utf8';
    
    if (fs.existsSync(filename)) {
      
      contents = fs.readFileSync(filename, encoding);
      
    }
    
    if (contents) {
      
      contents = ini.parse(contents);
      
    } else {
      
      contents = {};
      
    }
    
    return contents;
    
  }
  
  function loadJsonFile(filename, encoding) {
    'use strict';
    
    var contents;
    
    encoding = encoding || 'utf8';
    
    if (fs.existsSync(filename)) {
      
      contents = fs.readFileSync(filename, encoding);
      
    }
    
    if (contents) {
      
      contents = JSON.parse(contents);
      
    } else {
      
      contents = {};
      
    }
    
    return contents;
    
  }
  
  awsConfig = loadIniFile(awsConfigFileName);
  
  awsCredentials = loadIniFile(awsCredentialsFileName);
  
  developerDetails = loadJsonFile(developerDetailsFileName);
  
  if ((developerDetails.email_address
    && developerDetails.github_username
    && awsCredentials.default.aws_access_key_id
    && awsCredentials.default.aws_secret_access_key
    && awsConfig.default.region)
    && !gutil.env.setup) {
    
    return Promise.resolve({
      email_address: developerDetails.email_address,
      github_username: developerDetails.github_username,
      aws_access_key_id: awsCredentials.default.aws_access_key_id,
      aws_secret_access_key: awsCredentials.default.aws_secret_access_key,
      aws_region: awsConfig.default.region
    });
    
  }

  return Prompt.get({
    properties: {
      email_address: {
        default: developerDetails.email_address,
        message: 'An email address to subscribe to administration alerts.',
        required: true
      },
      github_username: {
        default: developerDetails.github_username,
        message: 'Your GitHub username.',
        required: true
      },
      aws_access_key_id: {
        default: awsCredentials.default.aws_access_key_id,
        message: 'AWS Access Key Id',
        required: true
      },
      aws_secret_access_key: {
        default: awsCredentials.default.aws_secret_access_key,
        message: 'AWS Secret Access Key',
        required: true
      },
      aws_region: {
        default: awsConfig.default.region,
        message: 'AWS Default Region',
        required: false
      }
    }
  })
  .then(function (result) {
    
    mkdirp.sync(homeDir + '/.incdevco');
    
    mkdirp.sync(homeDir + '/.aws');
    
    fs.writeFileSync(developerDetailsFileName, JSON.stringify({
      email_address: result.email_address,
      github_username: result.github_username
    }, null, 2), 'utf8');
    
    fs.writeFileSync(awsConfigFileName, ini.stringify({
      region: result.aws_region,
      output: 'json'
    }, {
      section: 'default'
    }), 'utf8');
    
    fs.writeFileSync(awsCredentialsFileName, ini.stringify({
      aws_access_key_id: result.aws_access_key_id,
      aws_secret_access_key: result.aws_secret_access_key
    }, {
      section: 'default'
    }), 'utf8');
    
    return result;
    
  });

};