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HttpInterface.js

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/**

* Copyright 2013 the PM2 project authors. All rights reserved.

* Use of this source code is governed by a license that

* can be found in the LICENSE file.

*/

var http = require('http');

var os = require('os');

var pm2 = require('../index.js');

var urlT = require('url');

var cst = require('../constants.js');

// Default, attach to default local PM2

pm2.connect(function() {

startWebServer(pm2);

});

function startWebServer(pm2) {

http.createServer(function (req, res) {

// Add CORS headers to allow browsers to fetch data directly

res.setHeader('Access-Control-Allow-Origin', '*');

res.setHeader('Access-Control-Allow-Headers', 'Cache-Control, Pragma, Origin, Authorization, Content-Type, X-Requested-With');

res.setHeader('Access-Control-Allow-Methods', 'GET');

// We always send json

res.setHeader('Content-Type','application/json');

var path = urlT.parse(req.url).pathname;

if (path == '/') {

// Main monit route

pm2.list(function(err, list) {

if (err) {

return res.send(err);

}

var data = {

system_info: { hostname: os.hostname(),

uptime: os.uptime()

},

monit: { loadavg: os.loadavg(),

total_mem: os.totalmem(),

free_mem: os.freemem(),

cpu: os.cpus(),

interfaces: os.networkInterfaces()

},

processes: list

};

if (cst.WEB_STRIP_ENV_VARS === true) {

for (var i = data.processes.length - 1; i >= 0; i--) {

var proc = data.processes[i];

// Strip important environment variables

if (typeof proc.pm2_env === 'undefined' && typeof proc.pm2_env.env === 'undefined') return;

delete proc.pm2_env.env;

}

}

res.statusCode = 200;

res.write(JSON.stringify(data));

return res.end();

})

}

else {

// 404

res.statusCode = 404;

res.write(JSON.stringify({err : '404'}));

return res.end();

}

}).listen(process.env.PM2_WEB_PORT || cst.WEB_PORT, cst.WEB_IPADDR, function() {

console.log('Web interface listening on %s:%s', cst.WEB_IPADDR, cst.WEB_PORT);

});

}