gistfile1.txt

const path = require("path");
const gulp = require('gulp');
const zip = require('gulp-zip');
const run = require('gulp-run');
const runSequence = require('run-sequence');
const log = require('fancy-log');
const AWS = require('aws-sdk');

const s3 = new AWS.S3({apiVersion: '2006-03-01'});

const s3Options = {
    test: {
        ebAppName: 'my-app-name',
        ebEnvName: 'my-app-test',
        bucketName: "my-bucket-name",
        deployPackageName: "",
        packageName: my-package.zip"
        
    },
    active: null
    
};

gulp.task('deploy-test', deployTest);

gulp.task('copy-to-bucket', copyToS3Bucket);
gulp.task('publish-version-to-eb', publishVersionToEB);
gulp.task('publish-environment-to-eb', publishEnvironmentToEB);
gulp.task('zip-build', zipBuild)

function copyToS3Bucket() {
    const options = s3Options.active;
    const packageNameAndLocation = "./deploy/" + options.deployPackageName;
    const s3BucketPath = "s3://" + options.bucketName;
    
    log.info("Copying package '" + packageNameAndLocation + "' to " + s3BucketPath);
    return run("aws s3 cp " + packageNameAndLocation + " " + s3BucketPath ).exec();
}

function buildDeploymentVersion(){
    const instance = new Date();
    const date = instance.getDate().toString().padStart("2", "0");
    const month = instance.getMonth().toString().padStart("2", "0");
    const year = instance.getFullYear().toString();
    const hours = instance.getHours().toString().padStart("2", "0");
    const minutes = instance.getMinutes().toString().padStart("2", "0");
    
    return date + month + year + hours + minutes;
}

function deployTest(done) {
    const options = s3Options.test;
    s3Options.active = options;
    s3Options.active.deployPackageName = buildDeploymentVersion() + "-" + options.packageName;

    log.info("Attempting build, package, and deploy for Test with - " + JSON.stringify(s3Options.active));

    runSequence('zip-build',
                'copy-to-bucket',
                'publish-version-to-eb',
                'publish-environment-to-eb',
                done);
}

function publishVersionToEB(){
    const options = s3Options.active;    
    log.info("Publishing product to App - '" + options.ebAppName + "' and Env - '" + options.ebEnvName + "'" );

    const createAppCommand = "aws elasticbeanstalk create-application-version --application-name " + options.ebAppName + "  --version-label " + options.deployPackageName + " --source-bundle S3Bucket=" + options.bucketName + ",S3Key=" + options.deployPackageName + "";

    return run(createAppCommand).exec();
}

function publishEnvironmentToEB(){
    const options = s3Options.active;    
    log.info("Publishing Environment to EB w/ App - '" + options.ebAppName + "' and Env - '" + options.ebEnvName + "'" );

    const updateEnvironmentCommand = "aws elasticbeanstalk update-environment --environment-name " + options.ebEnvName + " --version-label " + options.deployPackageName + "";

    return run(updateEnvironmentCommand).exec();
}

function zipBuild(){
    const options = s3Options.active;

    log.info("Packaging product to - " + options.deployPackageName);

    // when zipping the files we want to grab all files and sub folders
    // we want to omit our deploy and test files (no need for those in EB)
    return gulp.src(["./**/*.*",             
            "!./node_modules/**/*.*",
            "!./deploy/**/*.*",
            "!./test/**/*.*"
        ])
        .pipe(zip(options.deployPackageName))
        .pipe(gulp.dest("deploy"));

}