serverless/lib/actions/ProjectInit.js
2016-02-12 09:10:35 +01:00

502 lines
18 KiB
JavaScript

'use strict';
/**
* Action: ProjectInit
* - Takes a project and initializes it
* - Creates a _meta folder
* - Creates a new project S3 bucket and puts env and CF files
* - Creates CF stack by default, unless noExeCf option is set to true
*
* Options:
* - name (String) a new name for this project
* - domain (String) a domain for new project to create the bucket name with
* - notificationEmail (String) email to use for AWS alarms
* - profile (String) an AWS profile to create the project in. Must be available in ~/.aws/credentials
* - region (String) the first region for your new project
* - noExeCf: (Boolean) Don't execute CloudFormation
*/
module.exports = function(SPlugin, serverlessPath) {
const path = require('path'),
SError = require( path.join( serverlessPath, 'ServerlessError' ) ),
SCli = require( path.join( serverlessPath, 'utils/cli' ) ),
SUtils = require( path.join( serverlessPath, 'utils' ) ),
os = require('os'),
fs = require('fs'),
fse = require('fs-extra'),
BbPromise = require('bluebird'),
awsMisc = require( path.join( serverlessPath, 'utils/aws/Misc' ) );
BbPromise.promisifyAll(fs);
/**
* ProjectInit Class
*/
class ProjectInit extends SPlugin {
constructor(S, config) {
super(S, config);
}
static getName() {
return 'serverless.core.' + ProjectInit.name;
}
registerActions() {
this.S.addAction(this.projectInit.bind(this), {
handler: 'projectInit',
description: 'Initializes a Serverless project',
context: 'project',
contextAction: 'init',
options: [
{
option: 'name',
shortcut: 'n',
description: 'A new name for this Serverless project'
}, {
option: 'domain',
shortcut: 'd',
description: 'Domain of your Serverless project'
}, {
option: 'stage',
shortcut: 's',
description: 'Initial project stage'
}, {
option: 'region',
shortcut: 'r',
description: 'Initial Lambda supported AWS region'
}, {
option: 'notificationEmail',
shortcut: 'e',
description: 'email to use for AWS alarms'
}, {
option: 'profile', // we need profile option for CLI API (non interactive)
shortcut: 'p',
description: 'AWS profile that is set in your aws config file'
}, {
option: 'noExeCf',
shortcut: 'c',
description: 'Optional - Don\'t execute CloudFormation, just generate it. Default: false'
}
]
});
return BbPromise.resolve();
}
/**
* Action
*/
projectInit(evt) {
let _this = this;
this.evt = evt;
// Check for AWS Profiles
let profilesList = awsMisc.profilesMap();
this.profiles = Object.keys(profilesList);
// Set Stage default
if (!_this.evt.options.stage) _this.evt.options.stage = 'dev';
// Greet
if (_this.S.config.interactive && !_this.evt.options.noGreeting) SCli.asciiGreeting();
/**
* Control Flow
*/
return BbPromise.try(function() {
console.log('');
SCli.log('Initializing Serverless Project...');
})
.bind(_this)
.then(_this._prompt)
.then(_this._validateAndPrepare)
.then(_this._scaffold)
.then(_this._createStageAndRegion)
.then(_this._installComponentDeps)
.then(function() {
SCli.log('Successfully initialized project "'
+ _this.evt.options.name
+ '"');
/**
* Return EVT
*/
return _this.evt;
});
}
/**
* Prompt
*/
_prompt() {
let _this = this,
name, isName;
// fixes the double generated domain id bug
if (_this.evt.options.name) isName = true;
// Check if project exists
if (_this.S.hasProject()) {
// Set temp name
name = _this.evt.options.name ? _this.evt.options.name : (_this.S.getProject().getName() + '-' + SUtils.generateShortId(6)).toLowerCase();
} else {
// Set temp name
name = _this.evt.options.name ? _this.evt.options.name : ('serverless-' + SUtils.generateShortId(6)).toLowerCase();
}
// Skip if non-interactive
if (!_this.S.config.interactive) return BbPromise.resolve();
// Values that exist will not be prompted
let overrides = {
name: _this.evt.options.name,
domain: _this.evt.options.domain,
notificationEmail: _this.evt.options.notificationEmail,
awsAdminKeyId: _this.evt.options.awsAdminKeyId,
awsAdminSecretKey: _this.evt.options.awsAdminSecretKey
};
let prompts = {
properties: {
name: {
description: 'Enter a name for this project: '.yellow,
default: name,
message: 'Name must be only letters, numbers or dashes',
required: true,
conform: function(name) {
let re = /^[a-zA-Z0-9-_]+$/;
// This hack updates the defaults in the other prompts
if (re.test(name)) _this.evt.options.name = name;
return re.test(name);
}
},
domain: {
description: 'Enter a universally unique project bucket name: '.yellow,
default: isName ? (name + '-' + SUtils.generateShortId(6)).toLowerCase() + '.com' : name,
message: 'Domain must only contain lowercase letters, numbers, periods and dashes',
required: true,
conform: function(bucket) {
let re = /^[a-z0-9-.]+$/;
return re.test(bucket);
}
},
notificationEmail: {
description: 'Enter an email to use for AWS alarms: '.yellow,
required: true,
message: 'Please enter a valid email',
default: 'me@' + name + '.com',
conform: function(email) {
let re = /^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i;
return re.test(email);
}
}
}
};
if (!_this.profiles || !_this.profiles.length) {
prompts.properties.awsAdminKeyId = {
description: 'Enter the ACCESS KEY ID for your Admin AWS IAM User: '.yellow,
required: true,
message: 'Please enter a valid access key ID',
conform: function(key) {
return (key) ? true : false;
}
};
prompts.properties.awsAdminSecretKey = {
description: 'Enter the SECRET ACCESS KEY for your Admin AWS IAM User: '.yellow,
required: true,
message: 'Please enter a valid secret access key',
conform: function(key) {
return (key) ? true : false;
}
};
}
return this.cliPromptInput(prompts, overrides)
.then(function(answers) {
// Set prompt values
_this.S.config.awsAdminKeyId = answers.awsAdminKeyId;
_this.S.config.awsAdminSecretKey = answers.awsAdminSecretKey;
_this.evt.options.name = answers.name;
_this.evt.options.domain = answers.domain;
_this.evt.options.notificationEmail = answers.notificationEmail;
// Show region prompt
if (!_this.evt.options.region) {
// Prompt: region select
let choices = awsMisc.validLambdaRegions.map(r => {
return {
key: '',
value: r,
label: r
};
});
return _this.cliPromptSelect('Select a region for your project: ', choices, false)
.then(results => {
_this.evt.options.region = results[0].value;
});
}
})
.then(function() {
// If profile exists, skip select prompt
if (_this.evt.options.profile) return;
// If aws credentials were passed, skip select prompt
if (_this.S.config.awsAdminKeyId && _this.S.config.awsAdminSecretKey) return;
// Prompt: profile select
let choices = [];
for (let i = 0; i < _this.profiles.length; i++) {
choices.push({
key: '',
value: _this.profiles[i],
label: _this.profiles[i]
});
}
return _this.cliPromptSelect('Select an AWS profile for your project: ', choices, false)
.then(results => {
_this.evt.options.profile = results[0].value;
});
});
}
/**
* Validate & Prepare
* - Validate all data from event, interactive CLI or non interactive CLI and prepare project data
*/
_validateAndPrepare() {
// Initialize AWS Misc Service
this.AwsMisc = require('../utils/aws/Misc');
// If Profile, extract API Keys
if (this.evt.options.profile) {
this.S.config.awsAdminKeyId = this.AwsMisc.profilesGet(this.evt.options.profile)[this.evt.options.profile].aws_access_key_id;
this.S.config.awsAdminSecretKey = this.AwsMisc.profilesGet(this.evt.options.profile)[this.evt.options.profile].aws_secret_access_key;
}
// Validate API Keys
if (!this.S.config.awsAdminKeyId || !this.S.config.awsAdminSecretKey) {
return BbPromise.reject(new SError('Missing AWS API Key and/or AWS Secret Key'));
}
// Initialize Other AWS Services
let awsConfig = {
region: this.evt.options.region,
accessKeyId: this.S.config.awsAdminKeyId,
secretAccessKey: this.S.config.awsAdminSecretKey
};
this.S3 = require('../utils/aws/S3')(awsConfig);
this.CF = require('../utils/aws/CloudFormation')(awsConfig);
// Validate Name - AWS only allows Alphanumeric and - in name
let nameOk = /^([a-zA-Z0-9-]+)$/.exec(this.evt.options.name);
if (!nameOk) {
return BbPromise.reject(new SError('Project names can only be alphanumeric and -'));
}
// Validate Domain
let domainRegex = /^[a-z0-9-.]+$/;
if(!domainRegex.test(this.evt.options.domain)) {
return BbPromise.reject(new SError('Domain must only contain lowercase letters, numbers, periods and dashes'));
}
// Validate NotificationEmail
let emailRegex = /^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i;
if(!emailRegex.test(this.evt.options.notificationEmail)) {
return BbPromise.reject(new SError('Please enter a valid email'));
}
// Validate Region
if (awsMisc.validLambdaRegions.indexOf(this.evt.options.region) == -1) {
return BbPromise.reject(new SError('Invalid region. Lambda not supported in ' + this.evt.options.region, SError.errorCodes.UNKNOWN));
}
return BbPromise.resolve();
}
/**
* Update Scaffolding
*/
_scaffold() {
let _this = this;
let files = [];
return BbPromise.try(function() {
// Update Global Serverless Instance
if( !_this.S.hasProject() ) {
let projectPath = path.resolve(path.join(path.dirname('.'), _this.evt.options.name));
_this.S.setProject( new _this.S.classes.Project( projectPath ) );
}
// Fill in meta attributes
_this.meta = _this.S.state.getMeta();
_this.meta.variables.project = _this.evt.options.name;
_this.meta.variables.projectBucket = SUtils.generateProjectBucketName(_this.evt.options.domain, _this.evt.options.region);
_this.meta.variables.domain = _this.evt.options.domain;
_this.meta.variables.notificationEmail = _this.evt.options.notificationEmail;
// Fill in project attributes
_this.project = _this.S.getProject();
_this.project.name = _this.evt.options.name;
// Create s-resources-cf.json
if (!_this.project.cloudFormation && // In case initializing older project w/ cloudFormation property
!SUtils.fileExistsSync( _this.project.getFilePath( 's-resources-cf.json' ))) {
files.push(
SUtils.writeFile(
_this.project.getFilePath( 's-resources-cf.json' ),
JSON.stringify(
SUtils.readAndParseJsonSync(path.join(_this.S.config.serverlessPath, 'templates', 's-resources-cf.json')),
null, 2)
));
}
// Save State
return _this.S.state.save()
.then(function() {
_this.S.getProject().load();
return _this.S.state.load();
});
})
.then(function() {
// Create other scaffolding
// If admin.env does not exist, save it
if (!SUtils.fileExistsSync(_this.project.getFilePath( 'admin.env' ))) {
let adminEnv = 'SERVERLESS_ADMIN_AWS_ACCESS_KEY_ID=' + _this.S.config.awsAdminKeyId + os.EOL
+ 'SERVERLESS_ADMIN_AWS_SECRET_ACCESS_KEY=' + _this.S.config.awsAdminSecretKey + os.EOL;
files.push(fs.writeFileAsync(_this.project.getFilePath( 'admin.env' ), adminEnv));
}
// If package.json does not exist, save it
let packageJson;
if (!SUtils.fileExistsSync(_this.project.getFilePath( 'package.json' ))) {
// Prepare new package.json
packageJson = SUtils.readAndParseJsonSync(path.join(_this.S.config.serverlessPath, 'templates', 'nodejs', 'package.json'));
packageJson.name = _this.project.getName();
packageJson.description = 'A Serverless Project and its Serverless Plugin dependencies.';
packageJson.private = false;
packageJson.dependencies = {};
if (packageJson.devDependencies) delete packageJson.devDependencies;
if (packageJson.keywords) delete packageJson.keywords;
files.push(fs.writeFileAsync(_this.project.getFilePath( 'package.json' ), JSON.stringify(packageJson, null, 2)))
} else {
// Modify existing package.json
packageJson = SUtils.readAndParseJsonSync(_this.project.getFilePath( 'package.json' ));
packageJson.name = _this.project.getName();
// Delete unnecessary package.json properties, if they exist
if (packageJson.readme) delete packageJson.readme;
if (packageJson.readmeFilename) delete packageJson.readmeFilename;
if (packageJson.gitHead) delete packageJson.gitHead;
if (packageJson._id) delete packageJson._id;
if (packageJson._shasum) delete packageJson._shasum;
if (packageJson._from) delete packageJson._from;
if (packageJson._npmVersion) delete packageJson._npmVersion;
if (packageJson._nodeVersion) delete packageJson._nodeVersion;
if (packageJson._npmUser) delete packageJson._npmUser;
if (packageJson.dist) delete packageJson.dist;
if (packageJson.maintainers) delete packageJson.maintainers;
if (packageJson.directories) delete packageJson.directories;
if (packageJson._resolved) delete packageJson._resolved;
if (packageJson._args) delete packageJson._args;
if (packageJson._inCache) delete packageJson._inCache;
if (packageJson._installable) delete packageJson._installable;
if (packageJson._location) delete packageJson._location;
if (packageJson._phantomChildren) delete packageJson._phantomChildren;
if (packageJson._requested) delete packageJson._requested;
if (packageJson._requiredBy) delete packageJson._requiredBy;
if (packageJson._shrinkwrap || packageJson._shrinkwrap === null) delete packageJson._shrinkwrap;
if (packageJson._spec) delete packageJson._spec;
if (packageJson._where) delete packageJson._where;
files.push(fs.writeFileAsync(_this.project.getFilePath( 'package.json' ), JSON.stringify(packageJson, null, 2)))
}
// If README.md does not exist, save it
if (!SUtils.fileExistsSync(_this.project.getFilePath( 'README.md' ))) {
let readme = '#' + _this.project.name;
files.push(fs.writeFileAsync(_this.project.getFilePath( 'README.md' ), readme));
}
// If .gitignore does not exist, save it
if (!SUtils.fileExistsSync(_this.project.getFilePath( '.gitignore' ))) {
files.push(fs.writeFileAsync(_this.project.getFilePath( '.gitignore' ), fs.readFileSync(path.join(_this.S.config.serverlessPath, 'templates', 'gitignore'))));
}
// If .env does not exist, save it
if (!SUtils.fileExistsSync(_this.project.getFilePath( '.env' ))) {
files.push(SUtils.writeFile(
_this.project.getFilePath( '.env' ),
'SERVERLESS_STAGE=' + _this.evt.options.stage
+ '\nSERVERLESS_DATA_MODEL_STAGE=' + _this.evt.options.stage
+ '\nSERVERLESS_PROJECT_NAME=' + _this.project.name
));
}
return BbPromise.all(files);
});
}
/**
* Create Stage And Region
*/
_createStageAndRegion() {
return this.S.actions.stageCreate({
options: {
stage: this.evt.options.stage,
region: this.evt.options.region,
noExeCf: this.evt.options.noExeCf ? true : false
}
});
}
/**
* Create Stage And Region
*/
_installComponentDeps() {
let _this = this,
components = _this.S.getProject().getAllComponents();
return BbPromise.all(
components.map(function (component) {
SCli.log(`Installing ${component.runtime} dependencies for component: ${component.name}...`);
component.getRuntime().installDepedencies( component.name ); //TODO: shouldnt we use component sPath, in case it is a subfolder?
}),
{ concurrency: 1 }
);
}
}
return( ProjectInit );
};