serverless/lib/ServerlessMeta.js
2015-12-30 14:33:43 -08:00

137 lines
3.6 KiB
JavaScript

'use strict';
/**
* Serverless Meta Class
*/
const SError = require('./ServerlessError'),
SUtils = require('./utils/index'),
ServerlessModule = require('./ServerlessModule'),
path = require('path'),
fs = require('fs'),
BbPromise = require('bluebird');
class ServerlessMeta {
/**
* Constructor
* - options.projectPath: absolute path to project
*/
constructor(Serverless, options) {
this.S = Serverless;
this.options = options || {};
this.load();
}
/**
* Load
* - Load from source (i.e., file system);
*/
load(projectPath) {
let _this = this;
// Set projectPath
if (projectPath) _this.projectPath = projectPath;
// Defaults
_this.data = {};
_this.data.private = {
stages: {},
variables: {}
};
_this.data.public = {
variables: {}
};
// If no project path exists, return
if (!_this.options.projectPath) return;
// Re-usable function to traverse public or private variable folders
let _getVariables = function(type) {
let variableFiles = fs.readdirSync(path.join(_this.options.projectPath, 'meta', type, 'variables'));
for (let i = 0; i < variableFiles.length; i++) {
let variableFile = SUtils.readAndParseJsonSync(path.join(_this.options.projectPath, 'meta', type, 'variables', variableFiles[i]));
// Parse file name to get stage/region
let file = variableFiles[i].replace('s-variables-', '').replace('.json', '');
if (file === 'common') {
// Set Common variables
_this.data[type].variables = _this.readAndParseJsonSync(path.join(_this.options.projectPath, 'meta', type, 'variables', variableFiles[i]));
} else if (type === 'private') {
// Set Stage/Region variables
file = file.split('-');
if (!_this.data[type].stages) _this.data[type].stages = {};
if (!_this.data[type].stages[file[0]]) _this.data[type].stages[file[0]] = {
regions: {},
variables: {}
};
if (file.length === 1) {
// Set Stage Variables
_this.data[type].stages[file[0]].variables = _this.readAndParseJsonSync(path.join(projectRootPath, 'meta', type, 'variables', variableFiles[i]));
} else if (file.length === 2) {
// Set Stage-Region Variables
let region;
if (file[1] === 'useast1') region = 'us-east-1';
if (file[1] === 'uswest2') region = 'us-west-2';
if (file[1] === 'euwest1') region = 'eu-west-1';
if (file[1] === 'apnortheast1') region = 'ap-northeast-1';
if (!_this.data[type].stages[file[0]].regions[region]) _this.data[type].stages[file[0]].regions[region] = {
variables: _this.readAndParseJsonSync(path.join(_this.options.projectPath, 'meta', type, 'variables', variableFiles[i]))
};
}
}
}
};
if (SUtils.dirExistsSync(path.join(_this.options.projectPath, 'meta', 'public'))) _getVariables('public');
if (SUtils.dirExistsSync(path.join(_this.options.projectPath, 'meta', 'private'))) _getVariables('private');
// TODO: Validate
}
/**
* Get
* - Returns clone of data
*/
get() {
return JSON.parse(JSON.stringify(this.data));
}
/**
* Set
* - Update data
*/
set(data) {
// TODO: Validate data
this.data = data;
}
/**
* Set Path
* - Updates project path
*/
setProjectPath(projectPath) {
this.options.projectPath = projectPath;
}
}
module.exports = ServerlessMeta;