kibana/tasks/download_node_binaries.js

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2015-01-09 19:08:14 +01:00
var _ = require('lodash');
var zlib = require('zlib');
var tar = require('tar');
var request = require('request');
var mkdirp = require('mkdirp');
var fs = require('fs');
var join = require('path').join;
var filesPatern = _.template('node-v<%- version %>-<%- platform %>.tar.gz');
var urlPattern = _.template('http://nodejs.org/dist/v<%- version %>/<%- file %>');
var async = require('async');
module.exports = function (grunt) {
grunt.registerTask('download_node_binaries', 'Download the node.js binaries', function () {
var done = this.async();
var platforms = _.without(grunt.config.get('platforms'), 'windows');
var buildPath = grunt.config.get('build');
var version = grunt.config.get('nodeVersion');
var downloadWindows = function (cb) {
var dest = join(buildPath, 'node_binaries', 'windows');
var url = urlPattern({ version: version, file: 'nodex.exe'});
mkdirp(dest, function (err) {
if (err) return cb(err);
var out = fs.createWriteStream(join(dest, 'node.exe'));
out.on('close', cb).on('error', cb);
var req = request.get(url);
req.pipe(out);
});
};
var download = function (platform, cb) {
var dest = join(buildPath, 'node_binaries', platform);
var file = filesPatern({ version: version, platform: platform });
var url = urlPattern({ version: version, file: file });
mkdirp(dest, function (err) {
if (err) return cb(err);
var unzip = zlib.createGunzip();
var out = tar.Extract({ path: dest, strip: 1 });
out.on('close', cb).on('error', cb);
var req = request.get(url);
req.pipe(unzip).pipe(out);
});
};
async.each(platforms, download, function (err) {
if (err) return done(err);
downloadWindows(done);
});
});
};