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gulpfile.js
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gulpfile.js
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// Copyright (C) 2012-present, The Authors. This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License, version 3, as published by the Free Software Foundation. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details. You should have received a copy of the GNU Affero General Public License along with this program. If not, see <http://www.gnu.org/licenses/>.
var _ = require('lodash');
var exec = require('child_process').exec;
var gulp = require('gulp');
var isTrue = require('boolean');
var s3 = require('gulp-s3');
var rename = require('gulp-rename');
var glob = require('glob');
var gzip = require('gulp-gzip');
var path = require('path');
var Promise = require('bluebird');
var fs = require('fs');
var rimraf = require("rimraf");
var runSequence = require('run-sequence');
var scp = require('gulp-scp2');
var polisConfig = require('./polis.config');
console.log("Uploader: " + polisConfig.UPLOADER);
const staticFilesPrefix = "cached";
const baseDistRoot = "dist";
var destRootBase = "devel";
var destRootRest = '/'; // in dist, will be the cachebuster path prefix
var scpSubdir = "";
var versionString = 'VERSION_ERROR';
function destRoot() {
var root = path.join(destRootBase, destRootRest);
console.log(root);
return root;
}
function destRootAbout() {
return destRootBase;
}
var devMode = true;
var minified = false;
var preprodMode = false;
var prodMode = false;
var host;
function prepPathForTemplate(path) {
// add slash at front if missing
if (path.match(/^[^\/]/)) {
path = "/" + path;
}
path = path.replace(/\/*$/,""); // remove trailing slash
return path;
}
function getGitHash() {
return new Promise(function(resolve, reject) {
exec("git log --pretty=\"%h\" -n 1", function(error, stdout, stderr) {
if (error) {
console.error('FAILED TO GET GIT HASH: ' + error);
reject(stderr);
} else {
resolve(stdout);
}
})
});
}
gulp.task('cleanDist', function(){
rimraf.sync(baseDistRoot);
})
gulp.task('bundle', [
], function(callback) {
var cmd = minified ? "npm run build:webpack" : "npm run build:webpack_unminified";
exec(cmd, function(error, stdout, stderr) {
callback(error);
});
});
gulp.task('index', [
], function() {
// var githash = getGitHash();
var bundlePath = [destRootRest, "admin_bundle.js"].join("/");
var html = fs.readFileSync('index.html', {encoding: "utf8"});
html = html.replace("/dist/admin_bundle.js", '/' + [destRootRest, "js", "admin_bundle.js"].join('/'));
html = html.replace("NULL_VERSION", versionString);
html = html.replace("<%= fbAppId %>", polisConfig.FB_APP_ID);
html = html.replace("<%= useIntercom %>", !isTrue(polisConfig.DISABLE_INTERCOM));
html = html.replace("<%= usePlans %>", !isTrue(polisConfig.DISABLE_PLANS));
var domainWhitelist = '["' + polisConfig.domainWhitelist.join('","') + '"]';
html = html.replace("<%= domainWhitelist %>", domainWhitelist);
// index goes to the root of the dist folder.
var indexDest = [destRootBase, "index_admin.html"].join("/");
// fs.mkdirSync(destRootBase);
fs.writeFileSync(indexDest, html);
});
gulp.task('embed', [
], function() {
var index = fs.readFileSync('embed.html', {encoding: "utf8"});
var dest = [destRootBase, "embed.html"].join("/");
// fs.mkdirSync(destRootBase);
fs.writeFileSync(dest, index);
});
gulp.task('embedPreprod', [
], function() {
var index = fs.readFileSync('embedPreprod.html', {encoding: "utf8"});
var dest = [destRootBase, "embedPreprod.html"].join("/");
// fs.mkdirSync(destRootBase);
fs.writeFileSync(dest, index);
});
gulp.task('embedReport', [
], function() {
var index = fs.readFileSync('embedReport.html', {encoding: "utf8"});
var dest = [destRootBase, "embedReport.html"].join("/");
// fs.mkdirSync(destRootBase);
fs.writeFileSync(dest, index);
});
gulp.task('embedReportPreprod', [
], function() {
var index = fs.readFileSync('embedReportPreprod.html', {encoding: "utf8"});
var dest = [destRootBase, "embedReportPreprod.html"].join("/");
// fs.mkdirSync(destRootBase);
fs.writeFileSync(dest, index);
});
gulp.task('404', [
], function() {
var index = fs.readFileSync('404.html', {encoding: "utf8"});
var dest = [destRootBase, "404.html"].join("/");
// fs.mkdirSync(destRootBase);
fs.writeFileSync(dest, index);
});
gulp.task("preprodConfig", function() {
preprodMode = true;
minified = true;
scpSubdir = polisConfig.SCP_SUBDIR_PREPROD;
s3Subdir = polisConfig.S3_BUCKET_PREPROD;
});
gulp.task("unminifiedConfig", function() {
minified = false;
});
gulp.task("prodConfig", function() {
prodMode = true;
minified = true;
scpSubdir = polisConfig.SCP_SUBDIR_PROD;
s3Subdir = polisConfig.S3_BUCKET_PROD;
});
gulp.task("configureForProduction", function(callback) {
devMode = false;
destRootBase = "dist";
console.log('getGitHash begin');
// NOTE using callback instead of returning a promise since the promise isn't doing the trick - haven't tried updating gulp yet.
getGitHash().then(function(hash) {
hash = hash.toString().match(/[A-Za-z0-9]+/)[0];
var d = new Date();
var unique_token = [d.getFullYear(), d.getMonth() + 1, d.getDate(), d.getHours(), d.getMinutes(), d.getSeconds(), hash].join("_");
destRootRest = [staticFilesPrefix, unique_token].join("/");
versionString = unique_token;
console.log('done setting destRoot: ' + destRoot() + " destRootRest: " + destRootRest + " destRootBase: " + destRootBase);
callback(null);
}).catch(function(err) {
console.error('getGitHash err');
console.error(err);
callback(true);
});
});
gulp.task("scripts", function() {
var files = ["dist/admin_bundle.js"];
var s = gulp.src(files);
s = s
.pipe(gzip())
.pipe(rename(function (path) {
// remove .gz extension
var ext = path.extname;
console.log("foo", path);
path.extname = ext.substr(0, ext.length- ".gz".length);
}));
return s.pipe(gulp.dest(destRoot() + "/js"));
});
gulp.task('common', [
], function(callback) {
runSequence(
'bundle',
'index',
'embed',
'embedPreprod',
'embedReport',
'embedReportPreprod',
'404',
'scripts',
callback);
});
gulp.task('dist', [
"configureForProduction",
], function(callback){
runSequence(
'cleanDist',
'common',
// ['build-scripts', 'build-styles'], // these two would be parallel
// 'build-html',
callback);
});
gulp.task('deploy_TO_PRODUCTION', [
"prodConfig",
"dist"
], function() {
var uploader;
if ('s3' === polisConfig.UPLOADER) {
uploader = s3uploader({
bucket: s3Subdir,
});
}
if ('scp' === polisConfig.UPLOADER) {
uploader = scpUploader({
// subdir: "cached",
watch: function(client) {
client.on('write', function(o) {
console.log('write %s', o.destination);
});
},
});
}
return deploy(uploader);
});
function doUpload() {
var uploader;
if ('s3' === polisConfig.UPLOADER) {
uploader = s3uploader({
bucket: s3Subdir,
});
}
if ('scp' === polisConfig.UPLOADER) {
uploader = scpUploader({
// subdir: "cached",
watch: function(client) {
client.on('write', function(o) {
console.log('write %s', o.destination);
});
},
});
}
return deploy(uploader);
}
gulp.task('deployPreprod', [
"preprodConfig",
"dist"
], doUpload);
gulp.task('deployPreprodUnminified', [
"preprodConfig",
"unminifiedConfig",
"dist"
], doUpload);
gulp.task('fontsPreprod', [
"preprodConfig",
], function() {
return deployFonts({
bucket: polisConfig.S3_BUCKET_PREPROD
});
});
gulp.task('fontsProd', [
"prodConfig",
], function() {
return deployFonts({
bucket: polisConfig.S3_BUCKET_PROD
});
});
function s3uploader(params) {
var creds = JSON.parse(fs.readFileSync('.polis_s3_creds_client.json'));
creds = _.extend(creds, params);
let f = function(o) {
let oo = _.extend({
delay: 1000,
makeUploadPath: function(file) {
let r = staticFilesPrefix + ".*";
let match = file.path.match(RegExp(r));
console.log(file);
console.log(file.path);
console.log(r, match);
let fixed = (_.isString(o.subdir) && match && match[0]) ? match[0] : path.basename(file.path);
console.log("upload path " + fixed);
return fixed;
},
}, o);
if (oo.headers) {
delete oo.headers['Content-Type']; // s3 figures this out
}
return s3(creds, oo);
};
f.needsHeadersJson = false;
return f;
}
function scpUploader(params) {
var creds = JSON.parse(fs.readFileSync('.polis_scp_creds_client.json'));
creds.dest = path.join(creds.dest, scpSubdir);
scpConfig = _.extend({}, creds, params);
let f = function(batchConfig) { // uploader
console.log("scpUploader run", batchConfig);
var o = _.extend({}, scpConfig);
if (batchConfig.subdir) {
console.log("batchConfig.subdir", batchConfig.subdir);
console.log('old path', o.dest);
o.dest = path.join(scpConfig.dest, batchConfig.subdir);
console.log('new path', o.dest);
} else {
console.log('basic path', o.dest);
}
// console.log('------------------------ foofoo', batchConfig);
// return foreach(function(stream, file){
// console.log('------------------------ stringSrc', file);
// return mergeStream(stream, stringSrc(file.name + ".headersJson", JSON.stringify(batchConfig.headers)));
// }).pipe(scp(scpConfig));
return scp(o);
};
f.needsHeadersJson = true;
return f;
}
function deploy(uploader) {
var cacheSecondsForContentWithCacheBuster = 31536000;
function makeUploadPathHtml(file) {
var fixed = file.path.match(RegExp("[^/]*$"))[0];
console.log("upload path: " + fixed);
return fixed;
}
function makeUploadPathFactory(tagForLogging) {
return function(file) {
console.log(file);
console.log(file.path);
let r = staticFilesPrefix + ".*";
let match = file.path.match(RegExp(r));
let fixed = match&&match[0] ? match[0] : file.path;
console.log("upload path " + tagForLogging + ": " + fixed);
return fixed;
}
}
function deployBatch({srcKeep, srcIgnore, headers, logStatement, subdir}) {
return new Promise(function(resolve, reject) {
let gulpSrc = [srcKeep];
if (srcIgnore) {
gulpSrc.push(srcIgnore);
}
function doDeployBatch() {
console.log("doDeployBatch", gulpSrc);
gulp.src(gulpSrc, {read: true})
.pipe(uploader({
subdir: subdir,
delay: 1000,
headers: headers,
})).on('error', function(err) {
console.log('error1', err);
reject(err);
}).on('end', resolve);
}
// create .headersJson files
if (uploader.needsHeadersJson) {
let globOpts = {
nodir: true,
};
if (srcIgnore) {
globOpts.ignore = srcIgnore;
}
let files = glob.sync(srcKeep, globOpts)
for (let i = 0; i < files.length; i++) {
let file = files[i];
let headerFilename = file + ".headersJson";
fs.writeFileSync(headerFilename, JSON.stringify(headers));
gulpSrc.push(headerFilename);
}
}
doDeployBatch();
});
}
const promises = [];
// Cached Files without Gzip
console.log(destRoot())
const cachedSubdir = "cached";
// Cached Gzipped JS Files
promises.push(deployBatch({
srcKeep: destRoot() + '**/js/**', // simply saying "/js/**" causes the 'js' prefix to be stripped, and the files end up in the root of the bucket.
headers: {
'x-amz-acl': 'public-read',
'Content-Encoding': 'gzip',
'Content-Type': 'application/javascript',
'Cache-Control': 'no-transform,public,max-age=MAX_AGE,s-maxage=MAX_AGE'.replace(/MAX_AGE/g, cacheSecondsForContentWithCacheBuster),
},
logStatement: makeUploadPathFactory("cached_gzipped_"+cacheSecondsForContentWithCacheBuster),
subdir: cachedSubdir,
}));
// HTML files (uncached)
// (Wait until last to upload the html, since it will clobber the old html on S3, and we don't want that to happen before the new JS/CSS is uploaded.)
promises.push(deployBatch({
srcKeep: destRootBase + '/**/*.html',
headers: {
'x-amz-acl': 'public-read',
'Content-Type': 'text/html; charset=UTF-8',
'Cache-Control': 'no-cache',
// 'Cache-Control': 'no-transform,public,max-age=0,s-maxage=300', // NOTE: s-maxage is small for now, we could bump this up later once confident in cloudflare's cache purge workflow
},
logStatement: makeUploadPathHtml,
subdir: null,
}));
return Promise.all(promises);
}
function deployFonts(params) {
var creds = JSON.parse(fs.readFileSync('.polis_s3_creds_client.json'));
creds = _.extend(creds, params);
//var fontCacheSeconds = 31536000;
var fontCacheSeconds = 99;
function makeUploadPathFactory(tagForLogging) {
return function(file) {
var fixed = file.path.match(RegExp("font.*"))[0];
console.log("upload path " + tagForLogging + ": " + fixed);
return fixed;
}
}
['woff','woff2','otf','ttf','svg','eot'].forEach(function(ext) {
var contentType = {
'woff': 'application/x-font-woff',
'woff2': 'application/font-woff2',
'ttf': 'application/x-font-ttf',
'otf': 'application/x-font-opentype',
'svg': 'image/svg+xml',
'eot': 'application/vnd.ms-fontobject',
}[ext];
gulp.src([
'./font/*.' + ext,
], {read: false})
.pipe(s3(creds, {
delay: 1000,
headers: {
'x-amz-acl': 'public-read',
'Content-Type': contentType,
'Cache-Control': 'no-transform,public,max-age=MAX_AGE,s-maxage=MAX_AGE'.replace(/MAX_AGE/g, fontCacheSeconds),
},
makeUploadPath: makeUploadPathFactory("cached_gzipped_"+fontCacheSeconds),
}));
});
}
var tasks = process.argv.slice(2);
gulp.start.apply(gulp, tasks);