puppeteer/utils/check_availability.js
2017-08-02 12:06:47 -07:00

197 lines
5.6 KiB
JavaScript
Executable File

#!/usr/bin/env node
/**
* Copyright 2017 Google Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
const Downloader = require('./ChromiumDownloader');
const https = require('https');
const OMAHA_PROXY = 'https://omahaproxy.appspot.com/all.json';
const colors = {
reset: '\x1b[0m',
red: '\x1b[31m',
green: '\x1b[32m',
yellow: '\x1b[33m'
};
class Table {
/**
* @param {!Array<number>} columnWidths
*/
constructor(columnWidths) {
this.widths = columnWidths;
}
/**
* @param {!Array<string>} values
*/
drawRow(values) {
console.assert(values.length === this.widths.length);
let row = '';
for (let i = 0; i < values.length; ++i)
row += padCenter(values[i], this.widths[i]);
console.log(row);
}
}
if (process.argv.length === 2) {
checkOmahaProxyAvailability();
return;
}
if (process.argv.length !== 4) {
console.log(`
Usage: node check_revisions.js [fromRevision] [toRevision]
This script checks availability of different prebuild chromium revisions.
Running command without arguments will check against omahaproxy revisions.`);
return;
}
let fromRevision = parseInt(process.argv[2], 10);
let toRevision = parseInt(process.argv[3], 10);
checkRangeAvailability(fromRevision, toRevision);
/**
* @return {!Promise}
*/
async function checkOmahaProxyAvailability() {
console.log('Fetching revisions from ' + OMAHA_PROXY);
let platforms = await loadJSON(OMAHA_PROXY);
if (!platforms) {
console.error('ERROR: failed to fetch chromium revisions from omahaproxy.');
return;
}
let table = new Table([27, 7, 7, 7, 7]);
table.drawRow([''].concat(Downloader.supportedPlatforms()));
for (let platform of platforms) {
// Trust only to the main platforms.
if (platform.os !== 'mac' && platform.os !== 'win' && platform.os !== 'win64' && platform.os !== 'linux')
continue;
let osName = platform.os === 'win' ? 'win32' : platform.os;
for (let version of platform.versions) {
if (version.channel !== 'dev' && version.channel !== 'beta' && version.channel !== 'canary' && version.channel !== 'stable')
continue;
let revisionName = padLeft('[' + osName + ' ' + version.channel + ']', 15);
let revision = parseInt(version.branch_base_position, 10);
await checkAndDrawRevisionAvailability(table, revisionName, revision);
}
}
}
/**
* @param {number} fromRevision
* @param {number} toRevision
* @return {!Promise}
*/
async function checkRangeAvailability(fromRevision, toRevision) {
let table = new Table([10, 7, 7, 7, 7]);
table.drawRow([''].concat(Downloader.supportedPlatforms()));
let inc = fromRevision < toRevision ? 1 : -1;
for (let revision = fromRevision; revision !== toRevision; revision += inc)
await checkAndDrawRevisionAvailability(table, '', revision);
}
/**
* @param {!Table} table
* @param {string} name
* @param {number} revision
* @return {!Promise}
*/
async function checkAndDrawRevisionAvailability(table, name, revision) {
let promises = [];
for (let platform of Downloader.supportedPlatforms())
promises.push(Downloader.canDownloadRevision(platform, revision));
let availability = await Promise.all(promises);
let allAvailable = availability.every(e => !!e);
let values = [name + ' ' + (allAvailable ? colors.green + revision + colors.reset : revision)];
for (let i = 0; i < availability.length; ++i) {
let decoration = availability[i] ? '+' : '-';
let color = availability[i] ? colors.green : colors.red;
values.push(color + decoration + colors.reset);
}
table.drawRow(values);
}
/**
* @param {string} url
* @return {!Promise<?Object>}
*/
function loadJSON(url) {
let resolve;
let promise = new Promise(x => resolve = x);
https.get(url, response => {
if (response.statusCode !== 200) {
resolve(null);
return;
}
let body = '';
response.on('data', function(chunk){
body += chunk;
});
response.on('end', function(){
let json = JSON.parse(body);
resolve(json);
});
}).on('error', function(e){
console.error('Error fetching json: ' + e);
resolve(null);
});
return promise;
}
/**
* @param {number} size
* @return {string}
*/
function spaceString(size) {
return new Array(size).fill(' ').join('');
}
/**
* @param {string} text
* @return {string}
*/
function filterOutColors(text) {
for (let colorName in colors) {
let color = colors[colorName];
text = text.replace(color, '');
}
return text;
}
/**
* @param {string} text
* @param {number} length
* @return {string}
*/
function padLeft(text, length) {
let printableCharacters = filterOutColors(text);
return printableCharacters.length >= length ? text : spaceString(length - text.length) + text;
}
/**
* @param {string} text
* @param {number} length
* @return {string}
*/
function padCenter(text, length) {
let printableCharacters = filterOutColors(text);
if (printableCharacters.length >= length)
return text;
let left = Math.floor((length - printableCharacters.length) / 2);
let right = Math.ceil((length - printableCharacters.length) / 2);
return spaceString(left) + text + spaceString(right);
}