mirror of
https://github.com/serverless/serverless.git
synced 2026-01-18 14:58:43 +00:00
373 lines
12 KiB
JavaScript
373 lines
12 KiB
JavaScript
'use strict';
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/**
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* Action: ModuleCreate
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*/
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const JawsPlugin = require('../../JawsPlugin'),
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JawsError = require('../../jaws-error'),
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JawsCLI = require('../../utils/cli'),
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path = require('path'),
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BbPromise = require('bluebird'),
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JawsUtils = require('../../utils');
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let fs = require('fs');
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BbPromise.promisifyAll(fs);
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const supportedRuntimes = {
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nodejs: {
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defaultPkgMgr: 'npm',
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validPkgMgrs: ['npm'],
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},
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};
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/**
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* ModuleCreate Class
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*/
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class ModuleCreate extends JawsPlugin {
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/**
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* @param Jaws class object
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* @param config object
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*/
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constructor(Jaws, config) {
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super(Jaws, config);
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this._templatesDir = path.join(__dirname, '..', '..', 'templates');
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}
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/**
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* Define your plugins name
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*
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* @returns {string}
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*/
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static getName() {
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return 'jaws.core.' + ModuleCreate.name;
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}
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/**
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* @returns {Promise} upon completion of all registrations
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*/
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registerActions() {
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this.Jaws.addAction(this.moduleCreate.bind(this), {
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handler: 'moduleCreate',
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description: `Creates scaffolding for new aws module.
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usage: jaws module create <module resource> <action>`,
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context: 'module',
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contextAction: 'create',
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options: [
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{
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option: 'runtime',
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shortcut: 'r',
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description: ''
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},
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{
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option: 'lambda',
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shortcut: 'l',
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description: ''
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},
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{
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option: 'endpoint',
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shortcut: 'e',
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description: ''
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},
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{
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option: 'package-manager',
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shortcut: 'p',
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description: ''
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},
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],
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});
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return BbPromise.resolve();
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}
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/**
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*
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* @param runtime
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* @param createLambda
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* @param createEndpoint
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* @param pkgMgr
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* @param resource
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* @param action
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* @returns {Promise}
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*/
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moduleCreate(evt) {
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let _this = this;
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_this.evt = evt;
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if (_this.Jaws.cli) {
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// Add options to evt
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_this.evt = _this.Jaws.cli.options;
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// TODO: validate that resource & action != any of the options, otherwise
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// the option will be replaced with the param in evt
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_this.evt.resource = _this.Jaws.cli.params[0];
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_this.evt.action = _this.Jaws.cli.params[1];
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}
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return this.Jaws.validateProject()
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.bind(_this)
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.then(_this._validateData)
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.then(_this._sanitizeData)
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.then(_this._createSkeleton)
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.then(_this._createPackageMgrSkeleton)
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.then(_this._initRuntime)
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.then(function() {
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JawsCLI.log('Successfully created '
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+ _this.evt.resource
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+ '/'
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+ _this.evt.action);
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});
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}
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_validateData() {
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let _this = this;
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if (!_this.evt.resource || !_this.evt.action) {
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return BbPromise.reject(new JawsError('Must specify a resource and action'), JawsError.errorCodes.UNKNOWN);
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}
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if (!_this.evt.createLambda && !_this.evt.createEndpoint) { //default is to create both
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_this.evt.createEndpoint = true;
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_this.evt.createLambda = true;
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}
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if(!_this.evt.runtime) {
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_this.evt.runtime = 'nodejs';
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}
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if (!supportedRuntimes[_this.evt.runtime]) {
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throw new JawsError('Unsupported runtime ' + _this.evt.runtime, JawsError.errorCodes.UNKNOWN);
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}
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if (!_this.evt.pkgMgr){
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_this.evt.pkgMgr = supportedRuntimes[_this.evt.runtime].defaultPkgMgr;
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}
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if (supportedRuntimes[_this.evt.runtime].validPkgMgrs.indexOf(_this.evt.pkgMgr) == -1) {
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throw new JawsError('Unsupported package manger "' + _this.evt.pkgMgr + '"', JawsError.errorCodes.UNKNOWN);
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}
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return BbPromise.resolve();
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};
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_sanitizeData() {
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let _this = this;
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_this.evt.action = _this.evt.action.toLowerCase().trim()
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.replace(/\s/g, '-')
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.replace(/[^a-zA-Z-\d:]/g, '')
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.substring(0, 19);
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_this.evt.resource = _this.evt.resource.toLowerCase().trim()
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.replace(/\s/g, '-')
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.replace(/[^a-zA-Z-\d:]/g, '')
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.substring(0, 19);
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return BbPromise.resolve();
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}
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_generateActionAwsmJson() {
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let _this = this;
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let actionTemplateJson = JawsUtils.readAndParseJsonSync(path.join(this._templatesDir, 'lambda.awsm.json'));
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//We prefix with an l to make sure the CloudFormation resource map index is unique
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actionTemplateJson.name = _this.evt.resource.charAt(0).toUpperCase() + _this.evt.resource.slice(1) + _this.evt.action.charAt(0).toUpperCase() + _this.evt.action.slice(1);
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if (_this.evt.createLambda) {
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actionTemplateJson.cloudFormation.lambda.Function.Properties.Runtime = _this.evt.runtime;
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// Create files for lambda actions
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switch (_this.evt.runtime) {
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case 'nodejs':
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actionTemplateJson.cloudFormation.lambda.Function.Properties.Handler = path.join('slss_modules', _this.evt.resource, _this.evt.action, 'handler.handler');
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break;
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default:
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throw new JawsError('This runtime is not supported "' + _this.evt.runtime + '"', JawsError.errorCodes.UNKNOWN);
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break;
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}
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} else {
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delete actionTemplateJson.lambda;
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}
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if (_this.evt.createEndpoint) {
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actionTemplateJson.cloudFormation.apiGateway.Endpoint.Path = _this.evt.resource + '/' + _this.evt.action;
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} else {
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delete actionTemplateJson.cloudFormation.apiGateway;
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}
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delete actionTemplateJson.cloudFormation.lambda.EventSourceMapping;
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delete actionTemplateJson.cloudFormation.lambda.AccessPolicyX;
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return actionTemplateJson;
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}
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_generateModuleAwsmJson() {
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let _this = this;
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let moduleTemplateJson = JawsUtils.readAndParseJsonSync(path.join(this._templatesDir, 'module.awsm.json'));
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moduleTemplateJson.name = _this.evt.resource;
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return moduleTemplateJson;
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};
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/**
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*
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* @returns {Promise}
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* @private
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*/
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_createSkeleton() {
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let _this = this,
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writeFilesDeferred = [],
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modulePath = path.join(this.Jaws._projectRootPath, 'slss_modules', _this.evt.resource),
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actionPath = path.join(modulePath, _this.evt.action);
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// If module/action already exists, throw error
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if (JawsUtils.dirExistsSync(actionPath)) {
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throw new JawsError(
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actionPath + ' already exists',
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JawsError.errorCodes.INVALID_PROJECT_JAWS
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);
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}
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//module path will get created by util.writeFile if DNE
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// If module awsm.json doesn't exist, create it
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if (!JawsUtils.fileExistsSync(path.join(modulePath, 'awsm.json'))) {
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JawsUtils.jawsDebug('Module awsm.json does not exist. Creating..')
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let moduleTemplateJson = _this._generateModuleAwsmJson();
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writeFilesDeferred.push(
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JawsUtils.writeFile(
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path.join(modulePath, 'awsm.json'),
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JSON.stringify(moduleTemplateJson, null, 2)
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)
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);
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}
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// Create action folder
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writeFilesDeferred.push(actionPath);
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// Create action awsm.json
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let actionTemplateJson = _this._generateActionAwsmJson(),
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handlerJs = fs.readFileSync(path.join(this._templatesDir, 'nodejs', 'handler.js')),
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indexJs = fs.readFileSync(path.join(this._templatesDir, 'nodejs', 'index.js'));
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writeFilesDeferred.push(
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JawsUtils.writeFile(path.join(actionPath, 'handler.js'), handlerJs),
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JawsUtils.writeFile(path.join(actionPath, 'index.js'), indexJs),
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JawsUtils.writeFile(path.join(actionPath, 'event.json'), '{}'),
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JawsUtils.writeFile(path.join(actionPath, 'lambda.awsm.json'), JSON.stringify(actionTemplateJson, null, 2))
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);
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return BbPromise.all(writeFilesDeferred);
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}
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/**
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*
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* @returns {Promise}
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* @private
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*/
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_createPackageMgrSkeleton() {
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let _this = this,
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deferredWrites = [];
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switch (_this.evt.runtime) {
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case 'nodejs':
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if (_this.evt.pkgMgr == 'npm') {
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let node_modules_path = path.join(_this.Jaws._projectRootPath, 'node_modules');
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// Create node_modules if DNE in project
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if (!JawsUtils.dirExistsSync(node_modules_path)) {
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deferredWrites.push(fs.mkdirAsync(node_modules_path));
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}
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let modulePath = path.join(_this.Jaws._projectRootPath, 'node_modules', _this.evt.resource);
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// create module dir if DNE in node_modules
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if (!JawsUtils.dirExistsSync(modulePath)) {
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deferredWrites.push(fs.mkdirAsync(modulePath));
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}
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// Create module package.json if DNE in node_module
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if (!JawsUtils.fileExistsSync(path.join(modulePath, 'package.json'))) {
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let packageJsonTemplate = JawsUtils.readAndParseJsonSync(path.join(_this._templatesDir, 'nodejs', 'package.json'));
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packageJsonTemplate.name = _this.evt.resource;
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packageJsonTemplate.description = 'An aws-module';
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packageJsonTemplate.dependencies = {};
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deferredWrites.push(
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fs.writeFileAsync(path.join(modulePath, 'package.json'), JSON.stringify(packageJsonTemplate, null, 2))
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);
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}
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// Create module awsm.json if DNE in node_module
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if (!JawsUtils.fileExistsSync(path.join(modulePath, 'awsm.json'))) {
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let moduleTemplateJson = _this._generateModuleAwsmJson();
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deferredWrites.push(
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JawsUtils.writeFile(path.join(modulePath, 'awsm.json'),
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JSON.stringify(moduleTemplateJson, null, 2)));
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}
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// Create root lib folder if DNE in node_module
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let modLibPath = path.join(modulePath, 'lib');
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if (!JawsUtils.dirExistsSync(modLibPath)) {
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deferredWrites.push(fs.mkdirAsync(modLibPath));
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}
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// Create awsm folder if DNE in node_module
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if (!JawsUtils.dirExistsSync(path.join(modulePath, 'awsm'))) {
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deferredWrites.push(fs.mkdirAsync(path.join(modulePath, 'awsm')));
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}
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// Create action if DNE in node_module
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let actionPath = path.join(modulePath, 'awsm', _this.evt.action);
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if (!JawsUtils.dirExistsSync(actionPath)) {
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let actionTemplateJson = this._generateActionAwsmJson(),
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handlerJs = fs.readFileSync(path.join(_this._templatesDir, 'nodejs', 'handler.js')),
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indexJs = fs.readFileSync(path.join(_this._templatesDir, 'nodejs', 'index.js'));
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deferredWrites.push(
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JawsUtils.writeFile(path.join(actionPath, 'lambda.awsm.json'), JSON.stringify(actionTemplateJson, null, 2)),
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JawsUtils.writeFile(path.join(actionPath, 'handler.js'), handlerJs),
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JawsUtils.writeFile(path.join(actionPath, 'index.js'), indexJs),
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JawsUtils.writeFile(path.join(actionPath, 'event.json'), '{}')
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);
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}
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}
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break;
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default:
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break;
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}
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return BbPromise.all(deferredWrites);
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}
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/**
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*
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* @returns {Promise}
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* @private
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*/
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_initRuntime() {
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let _this = this;
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JawsCLI.log('Preparing your runtime..');
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if (_this.evt.runtime === 'nodejs') {
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let packageJsonTemplate = JawsUtils.readAndParseJsonSync(path.join(_this._templatesDir, 'nodejs', 'package.json'));
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packageJsonTemplate.name = _this.Jaws._projectJson.name;
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return fs.writeFileAsync(path.join(_this.Jaws._projectRootPath, 'package.json'), JSON.stringify(packageJsonTemplate, null, 2))
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.then(function() {
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JawsCLI.log('Installing jaws-core module...');
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JawsUtils.npmInstall(_this.Jaws._projectRootPath);
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});
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}
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}
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}
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module.exports = ModuleCreate;
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