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1 | var dgram = require('dgram');
var feedparser = require('feedparser');
var req = require('bagofrequest');
var text = require('bagoftext');
var util = require('./util');
var xml2js = require('xml2js');
/**
* Retrieve Jenkins instance computer information.
*
* @param {Function} cb: standard cb(err, result) callback
*/
function computer(cb) {
this.opts.queryStrings = { depth: 1 };
this.opts.handlers[200] = util.passThroughSuccessJson;
req.request('get', this.url + '/computer/api/json', this.opts, cb);
}
/**
* Discover whether there's a Jenkins instance running on the specified host.
*
* @param {String} host: hostname
* @param {Function} cb: standard cb(err, result) callback
*/
function discover(host, cb) {
const TIMEOUT = 5000;
var socket = dgram.createSocket('udp4');
var buffer = new Buffer(text.__('Long live Jenkins!'));
var parser = new xml2js.Parser();
socket.on('error', function (err) {
socket.close();
cb(err);
});
socket.on('message', function (result) {
socket.close();
parser.addListener('end', function (result) {
cb(null, result);
});
parser.parseString(result);
});
socket.send(buffer, 0, buffer.length, 33848, host, function (err, result) {
if (err) {
socket.close();
cb(err);
}
});
setTimeout(function () {
cb(new Error(text.__('Unable to find any Jenkins instance on %s', host)));
}, TIMEOUT);
}
/**
* Retrieve Jenkins instance information.
*
* @param {Function} cb: standard cb(err, result) callback
*/
function info(cb) {
this.opts.handlers[200] = util.passThroughSuccessJson;
req.request('get', this.url + '/api/json', this.opts, cb);
}
/**
* Parse Jenkins instance feed (all jobs).
*
* @param {Function} cb: standard cb(err, result) callback
*/
function parseFeed(cb) {
var url = this.url + '/rssAll';
feedparser.parseUrl(url, function (err, meta, articles) {
cb(err, articles);
});
}
/**
* Retrieve a list of jobs in the queue waiting for available
* executor or for a previously running build of the same job
* to finish.
*
* @param {Function} cb: standard cb(err, result) callback
*/
function queue(cb) {
this.opts.handlers[200] = util.passThroughSuccessJson;
req.request('get', this.url + '/queue/api/json', this.opts, cb);
}
/**
* Retrieve Jenkins version number from x-jenkins header.
* If x-jenkins header does not exist, then it's assumed that the server is not a Jenkins instance.
*
* @param {Function} cb: standard cb(err, result) callback
*/
function version(cb) {
function _success(result, cb) {
if (result.headers['x-jenkins']) {
cb(null, result.headers['x-jenkins']);
} else {
cb(new Error(text.__('Not a Jenkins server')));
}
}
this.opts.handlers[200] = _success;
req.request('head', this.url, this.opts, cb);
}
exports.computer = computer;
exports.discover = discover;
exports.info = info;
exports.parseFeed = parseFeed;
exports.queue = queue;
exports.version = version; |