mirror of
https://github.com/serverless/serverless.git
synced 2026-01-18 14:58:43 +00:00
344 lines
10 KiB
JavaScript
344 lines
10 KiB
JavaScript
'use strict';
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/**
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* Action: Code Upload: Lambda: Nodejs
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* - Uploads a single Lambda's code to their Serverless region bucket
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* - Don't attach "evt" to context, it will be overwritten in concurrent operations
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* - WARNING: This Action runs concurrently.
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*/
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const SPlugin = require('../ServerlessPlugin'),
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SError = require('../ServerlessError'),
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SUtils = require('../utils/index'),
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BbPromise = require('bluebird'),
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path = require('path'),
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Zip = require('node-zip'),
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fs = require('fs'),
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os = require('os');
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// Promisify fs module
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BbPromise.promisifyAll(fs);
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class CodeDeployLambdaNodejs extends SPlugin {
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/**
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* Constructor
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*/
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constructor(S, config) {
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super(S, config);
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}
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/**
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* Get Name
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*/
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static getName() {
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return 'serverless.core.' + CodeDeployLambdaNodejs.name;
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}
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/**
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* Register Plugin Actions
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*/
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registerActions() {
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this.S.addAction(this.codeDeployLambdaNodejs.bind(this), {
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handler: 'codeDeployLambdaNodejs',
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description: 'Uploads a Lambda\'s code to S3'
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});
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return BbPromise.resolve();
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}
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/**
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* Deploy Code Lambda Node.Js
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*/
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codeDeployLambdaNodejs(evt) {
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let deployer = new Deployer(this.S);
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return deployer.deploy(evt);
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}
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}
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/**
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* Deployer
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* - Necessary for this action to run concurrently
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*/
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class Deployer {
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constructor(S) {
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this.S = S;
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}
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deploy(evt) {
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let _this = this;
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// Load AWS Service Instances
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let awsConfig = {
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region: evt.region.region,
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accessKeyId: _this.S._awsAdminKeyId,
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secretAccessKey: _this.S._awsAdminSecretKey,
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};
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_this.S3 = require('../utils/aws/S3')(awsConfig);
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_this.Lambda = require('../utils/aws/Lambda')(awsConfig);
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_this.AwsMisc = require('../utils/aws/Misc');
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// Flow
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return _this._validateAndPrepare(evt)
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.bind(_this)
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.then(_this._compress)
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.then(_this._upload)
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.then(_this._deploy)
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.then(function() {
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return evt;
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});
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}
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/**
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* Validate And Prepare
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*/
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_validateAndPrepare(evt) {
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return BbPromise.resolve(evt);
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}
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/**
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* Compress
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*/
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_compress(evt) {
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let zip = new Zip();
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evt.function.pathsPackaged.forEach(nc => {
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zip.file(nc.fileName, nc.data);
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});
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let zipBuffer = zip.generate({
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type: 'nodebuffer',
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compression: 'DEFLATE',
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});
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if (zipBuffer.length > 52428800) {
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Promise.reject(new SError(
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'Zip file is > the 50MB Lambda queued limit (' + zipBuffer.length + ' bytes)',
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SError.errorCodes.ZIP_TOO_BIG)
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);
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}
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// Set path of compressed package
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evt.function.pathCompressed = path.join(evt.function.pathDist, 'package.zip');
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// Create compressed package
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fs.writeFileSync(
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evt.function.pathCompressed,
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zipBuffer);
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SUtils.sDebug(`${evt.function.name} - ${evt.stage} - ${evt.region.region}: Compressed file created - ${evt.function.pathCompressed}`);
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return BbPromise.resolve(evt);
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}
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/**
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* Upload
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* - Upload zip file to S3
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*/
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_upload(evt) {
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let _this = this;
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SUtils.sDebug(`${evt.function.name} - ${evt.stage} - ${evt.region.region}: Uploading to - ${evt.region.regionBucket}`);
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return _this.S3.sPutLambdaZip(
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evt.region.regionBucket,
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_this.S._projectJson.name,
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evt.stage,
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evt.function.name,
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fs.createReadStream(evt.function.pathCompressed))
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.then(function(s3Key) {
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// Add S3Key and Bucket to Lambda.Function.Properties.Code
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for (let r in evt.function.cloudFormation.lambda) {
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if (evt.function.cloudFormation.lambda[r].Type === 'AWS::Lambda::Function') {
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evt.function.cloudFormation.lambda[r].Properties.Code = {
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S3Bucket: evt.region.regionBucket,
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S3Key: s3Key
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};
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// Save Lambda CF
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_this.cfLambda = evt.function.cloudFormation.lambda[r];
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}
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}
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return BbPromise.resolve(evt);
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});
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}
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/**
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* Deploy
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* - Deploy Lambda from S3 to Lambda
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*/
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_deploy(evt) {
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let _this = this,
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lambda,
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lambdaVersion;
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var params = {
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FunctionName: _this.Lambda.sGetLambdaName(_this.S._projectJson, evt.function),
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Qualifier: '$LATEST'
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};
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return _this.Lambda.getFunctionPromised(params)
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.catch(function(e) {
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lambda = null;
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})
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.then(function(data) {
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lambda = data;
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})
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.then(function() {
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// Create or Update Lambda
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if (!lambda) {
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SUtils.sDebug(`${evt.function.name} - ${evt.stage} - ${evt.region.region}: Creating Lambda function...`);
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// Create Lambda
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let params = {
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Code: {
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S3Bucket: evt.region.regionBucket,
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S3Key: _this.cfLambda.Properties.Code.S3Key
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},
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FunctionName: _this.Lambda.sGetLambdaName(_this.S._projectJson, evt.function), /* required */
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Handler: _this.cfLambda.Properties.Handler, /* required */
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Role: evt.region.iamRoleArnLambda, /* required */
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Runtime: _this.cfLambda.Properties.Runtime, /* required */
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Description: 'Serverless Lambda function for project: ' + _this.S._projectJson.name,
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MemorySize: _this.cfLambda.Properties.MemorySize,
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Publish: true, // Required by Serverless Framework & recommended by AWS
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Timeout: _this.cfLambda.Properties.Timeout
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};
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return _this.Lambda.createFunctionPromised(params)
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.then(function(data) {
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// Save Version
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lambdaVersion = data.Version;
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return data;
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});
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} else {
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SUtils.sDebug(`${evt.function.name} - ${evt.stage} - ${evt.region.region}: Updating Lambda function...`);
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// Update Lambda Code
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let params = {
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FunctionName: lambda.Configuration.FunctionName, /* required */
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Publish: true, // Required by Serverless Framework & recommended by AWS
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S3Bucket: evt.region.regionBucket,
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S3Key: _this.cfLambda.Properties.Code.S3Key
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};
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return _this.Lambda.updateFunctionCodePromised(params)
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.then(function(data) {
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// Save Version
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lambdaVersion = data.Version;
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// Check If Function Configuration needs to be updated
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let updateConfiguration = false;
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if (data.FunctionName !== data.FunctionName) updateConfiguration = true;
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if (data.Runtime !== _this.cfLambda.Properties.Runtime) updateConfiguration = true;
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if (data.Handler !== _this.cfLambda.Properties.Handler) updateConfiguration = true;
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if (data.MemorySize !== _this.cfLambda.Properties.MemorySize) updateConfiguration = true;
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if (data.Timeout !== _this.cfLambda.Properties.Timeout) updateConfiguration = true;
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if (updateConfiguration) {
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SUtils.sDebug(`${evt.function.name} - ${evt.stage} - ${evt.region.region}: Updating Lambda configuration...`);
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let params = {
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FunctionName: data.FunctionName, /* required */
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Description: 'Serverless Lambda function for project: ' + _this.S._projectJson.name,
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Handler: _this.cfLambda.Properties.Handler,
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MemorySize: _this.cfLambda.Properties.MemorySize,
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Role: evt.region.iamRoleArnLambda,
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Timeout: _this.cfLambda.Properties.Timeout
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};
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return _this.Lambda.updateFunctionConfigurationPromised(params);
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} else {
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return data;
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}
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});
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}
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})
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.then(function(data) {
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// Alias Lambda w/ Stage
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let aliasedLambda = false;
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var params = {
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FunctionName: data.FunctionName, /* required */
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Name: evt.stage.toLowerCase() /* required */
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};
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return _this.Lambda.getAliasPromised(params)
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.then(function() {
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aliasedLambda = true;
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})
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.catch(function(e) {
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aliasedLambda = false;
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})
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.then(function() {
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if (aliasedLambda) {
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// Update Existing Alias
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SUtils.sDebug(`${evt.function.name} - ${evt.stage} - ${evt.region.region}: Updating Lambda Alias for version - ${lambdaVersion}`);
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let params = {
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FunctionName: data.FunctionName, /* required */
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FunctionVersion: lambdaVersion, /* required */
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Name: evt.stage, /* required */
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Description: 'Project: ' + _this.S._projectJson.name + ' Stage: ' + evt.stage
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};
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return _this.Lambda.updateAliasPromised(params);
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} else {
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// Create New Alias
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SUtils.sDebug(`${evt.function.name} - ${evt.stage} - ${evt.region.region}: Creating New Lambda Alias for version - ${lambdaVersion}`);
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let params = {
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FunctionName: data.FunctionName, /* required */
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FunctionVersion: lambdaVersion, /* required */
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Name: evt.stage, /* required */
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Description: 'Project: ' + _this.S._projectJson.name + ' Stage: ' + evt.stage
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};
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return _this.Lambda.createAliasPromised(params);
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}
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})
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.then(function(data) {
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// Add Version & Alias information to evt
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evt.function.deployedVersion = data.FunctionVersion;
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evt.function.deployedAlias = evt.stage;
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evt.function.deployedAliasArn = data.AliasArn;
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return evt
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});
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})
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}
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}
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module.exports = CodeDeployLambdaNodejs; |