serverless/lib/Project.js

463 lines
12 KiB
JavaScript

'use strict';
/**
* Serverless Project Class
*/
const SError = require('./Error'),
SUtils = require('./utils/index'),
SCli = require('./utils/cli'),
SerializerFileSystem = require('./SerializerFileSystem'),
BbPromise = require('bluebird'),
path = require('path'),
_ = require('lodash'),
fs = require('fs'),
os = require('os');
class Project extends SerializerFileSystem {
/**
* Constructor
*/
constructor(S) {
super(S);
let _this = this;
_this._S = S;
_this._components = {};
_this._resources = {};
_this._templates = {};
_this._stages = {};
_this._variables = {};
// Default properties
_this.name = 'serverless' + SUtils.generateShortId(6);
_this.version = '0.0.1';
_this.profile = 'serverless-v' + require('../package.json').version;
_this.location = 'https://github.com/...';
_this.author = '';
_this.description = 'A Slick New Serverless Project';
_this.custom = {};
_this.plugins = [];
}
/**
* Project Methods --------------------------------------------------
*/
/**
* Load
* - Return promise
*/
load() {
return this.deserializeProject(this);
}
/**
* Save
* - Returns promise
*/
save(options) {
return this.serializeProject(this, options);
}
/**
* To JSON
* - Returns clone of data
*/
toJson() {
let clone = _.cloneDeep(this);
return SUtils.exportClassData(clone);
}
/**
* getPopulated
* - Fill in templates then variables
* - Returns Promise
*/
getPopulated(options) {
let _this = this;
options = options || {};
// Validate: Check Stage & Region
if (!options.stage || !options.region) throw new SError('Both "stage" and "region" params are required');
// Populate components
let clone = _this.get();
clone = SUtils.populate(_this._S.state.getMeta(), _this.getTemplates(), clone, options.stage, options.region);
clone.components = {};
for (let prop in _this.components) {
clone.components[prop] = _this.components[prop].getPopulated(options);
}
return clone;
}
/**
* Set
* - Set data
* - Accepts a data object
*/
set(data) {
let _this = this;
// Instantiate Components
for (let prop in data.components) {
let instance = new _this._S.classes.Component(_this._S, _this, {
sPath: data.components[prop].name
});
data.components[prop] = instance.set(data.components[prop]);
}
// Merge in
_this = _.extend(_this, data);
return _this;
}
getName(){
return this.name;
}
/**
* Component Methods ----------------------------------------------------------------------------
*/
/**
* Set Component
*/
setComponent( component ){
this.components[ component.name ] = component;
}
/**
* Get Component
*/
getComponent( cpath ){
return _.find( _.values( this.components ), c =>
c.getSPath().indexOf( cpath.split(path.sep)[0] ) === 0
)
}
/**
* Get All Components
* - Returns an array of this project's components instances
* - options.paths - array of component spaths to filter
*/
getAllComponents(options){
if( _.get( options, 'paths' ) ){
options.paths = _.map( options.paths, p => p.split(path.sep)[0] );
}
return SUtils.filterSPaths( _.values( this.components ), options );
}
getPlugins(){
return this.plugins;
}
/**
* Plugin Methods ----------------------------------------------------------------------------
*/
addPlugin( pluginName ){
this.plugins.push( pluginName );
}
/**
* Function Methods ----------------------------------------------------------------------------
*/
/**
* Get Functions
* - Returns an array of this project's function instances
* - Options:
* - options.returnPath - return SPath of Function instead of Function object
* - options.paths - array of function spaths to filter
*/
getAllFunctions(options) {
return SUtils.filterSPaths( _.flatten( _.map( _.values( this.components ), component =>
component.getAllFunctions()
)), options );
}
getFunction( path ){
return _.find( this.getAllFunctions(), f =>
f.getSPath().indexOf( path ) === 0
)
}
/**
* Endpoint Methods ----------------------------------------------------------------------------
*/
/**
* Get Endpoints
* - Returns an array of this project's Endpoint instances
* - Options: paths
* - options.paths is an array of Serverless paths like this: ['component/module/function#eventName']
*/
getAllEndpoints(options) {
return SUtils.filterSPaths( _.flatten( _.map( this.getAllFunctions(), f => f.getAllEndpoints() ) ), options );
}
getEndpoint( path ){
return _.find( _.values( this.getAllEndpoints() ), e =>
e.getSPath().indexOf( path ) === 0
)
}
/**
* Event Methods ----------------------------------------------------------------------------
*/
/**
* Get Events
* - Returns an array of this project's Events instances
* - options.paths is an array of Serverless paths like this: ['component/module/function#eventName']
*/
getAllEvents(options) {
return SUtils.filterSPaths( _.flatten( _.map( this.getAllFunctions(), f => f.getAllEvents() ) ), options );
}
getEvent( path ){
return _.find( _.values( this.getAllEvents() ), e =>
e.getSPath().indexOf( path ) === 0
)
}
/**
* Resource Methods ----------------------------------------------------------------------------
*/
setResources(resources) {
this._resources = resources;
}
/**
* Get Resources
* - Returns Promise & clone of resources
* - TODO: Make Get Local Resources Only, then make another method for combined resources
*/
getResources(options) {
let _this = this,
resources;
options = options || {};
return BbPromise.try(function() {
if (_this.get().cloudFormation) {
// TODO: Back Compat Support -- Remove in V1
resources = _this.get().cloudFormation;
} else if (SUtils.fileExistsSync(_this._S.getProject().getFilePath('s-resources-cf.json'))) {
resources = SUtils.readAndParseJsonSync(_this._S.getProject().getFilePath('s-resources-cf.json'));
}
return _.flatten( _.map( _.values( _this.components ), c => c.getCFSnippets() ) );
})
.then(function (cfSnippets) {
// Merge s-module.json CF syntax
for (let i = 0; i < cfSnippets.length; i++) {
let cf = cfSnippets[i];
// Merge Lambda Policy Statements - s-resources-cf.json uses different keys
if (cf.LambdaIamPolicyStatements && cf.LambdaIamPolicyStatements.length > 0) {
cf.LambdaIamPolicyStatements.forEach(function (policyStmt) {
try {
resources.Resources.IamPolicyLambda.Properties.PolicyDocument.Statement.push(policyStmt);
}
catch (e) {
}
});
}
// Merge Resources - s-resources-cf.json uses different keys
if (cf.Resources) {
let cfResourceKeys = Object.keys(cf.Resources);
cfResourceKeys.forEach(function (resourceKey) {
if (resources.Resources[resourceKey]) {
SCli.log(`WARN: Resource key ${resourceKey} already defined in CF template. Overwriting...`);
}
try {
resources.Resources[resourceKey] = cf.Resources[resourceKey];
} catch (e) {
}
});
}
// Merge Resources
// TODO: Remove @ V1 when we can make breaking changes
if (cf.resources) {
let cfResourceKeys = Object.keys(cf.resources);
cfResourceKeys.forEach(function (resourceKey) {
if (resources.Resources[resourceKey]) {
SCli.log(`WARN: Resource key ${resourceKey} already defined in CF template. Overwriting...`);
}
try {
resources.Resources[resourceKey] = cf.resources[resourceKey];
} catch (e) {
}
});
}
// Merge Lambda Policy Statements
// TODO: Remove @ V1 when we can make breaking changes
if (cf.lambdaIamPolicyDocumentStatements && cf.lambdaIamPolicyDocumentStatements.length > 0) {
cf.lambdaIamPolicyDocumentStatements.forEach(function (policyStmt) {
try {
resources.Resources.IamPolicyLambda.Properties.PolicyDocument.Statement.push(policyStmt);
}
catch (e) {
}
});
}
// Merge Resources
// TODO: Remove @ V1 when we can make breaking changes
if (cf.resources) {
let cfResourceKeys = Object.keys(cf.resources);
cfResourceKeys.forEach(function (resourceKey) {
if (resources.Resources[resourceKey]) {
SCli.log(`WARN: Resource key ${resourceKey} already defined in CF template. Overwriting...`);
}
try {
resources.Resources[resourceKey] = cf.resources[resourceKey];
} catch (e) {
}
});
}
}
// Return
if (options.populate) {
return SUtils.populate(_this._S.state.getMeta(), _this.getTemplates(), resources, options.stage, options.region);
} else {
return resources;
}
});
}
/**
* Stage Methods ----------------------------------------------------------------------------
*/
getStages() {
return Object.keys( this._stages );
}
getStage( name ) {
return this._stages[ name ];
}
setStage(stage ) {
this._stages[ stage.getName() ] = stage;
}
removeStage( name ) {
let stage = this._stages[ name ];
delete this._stages[ name ];
return BbPromise.try(function(){
if( stage ){
return stage.destroy();
}
});
}
validateStageExists( name ){
return this._stages[ name ] != undefined;
}
saveStages(){
let _this = this;
return BbPromise.each( _.values( _this._stages ), function(stage){
stage.save();
});
}
/**
* Region Methods ----------------------------------------------------------------------------
*/
getRegion( stageName, regionName ){
if( this.hasStage( stageName ) ){
let stage = this.getStage( stageName );
if( stage.hasRegion( regionName ) ){
return stage.getRegion( regionName );
} else {
throw new SError(`Region ${regionName} doesnt exist in stage ${stageName}!`);
}
} else {
throw new SError(`Stage ${stageName} doesnt exist in this project!`);
}
}
setRegion(stageName, region){
let stage = this.getStage(stageName);
stage.setRegion(region);
}
getRegions( stageName ){
return this.getStage( stageName ).getRegions();
}
validateRegionExists( stageName, regionName ){
let stage = this.getStage( stageName );
if( stage ){
return stage.hasRegion( regionName );
} else {
return false;
}
}
/**
* Template Methods ----------------------------------------------------------------------------
*/
/**
* Get Templates
*/
getTemplates() {
return this._templates;
}
/**
* Variable Methods ----------------------------------------------------------------------------
*/
/**
* Get Variables
*/
getVariables() {
return this._variables;
}
}
module.exports = Project;