forked from nodester/nodester
/
lib.js
490 lines (440 loc) · 14.9 KB
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lib.js
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/*
* lib.js (utils for nodester)
* Nodester :: Open Source PaaS
* http://nodester.com
* @license GNU Affero
* @latestUpdate: 30-03-2012
*/
var cradle = require('cradle')
, crypto = require('crypto')
, exec = require('child_process').exec
, config = require('../config.js')
, chroot = require('./chroot.js').chroot
, unionfs = require('./unionfs.js').unionfs
, sys = require('util')
, fs = require('fs')
, path = require('path')
, cfg = config.opt
, log = process.log
;
var couch_loc = "http://" + cfg.couch_user + ":" + cfg.couch_pass + "@" + cfg.couch_host + ":" + cfg.couch_port + "/";
if (cfg.couch_prefix.length > 0) {
couch_loc += cfg.couch_prefix + "_";
exports.couch_prefix = cfg.couch_prefix + "_";
} else {
exports.couch_prefix = "";
}
exports.couch_loc = couch_loc;
exports.h = {
accept: 'application/json',
'content-type': 'application/json'
};
var couchdb_parse = function (err, body, cb) {
if (err !== null) {
cb(err, null);
} else {
var doc = {};
try {
doc = JSON.parse(body);
} catch (e) {}
if (doc.hasOwnProperty('error')) {
cb(doc.error, doc);
} else {
cb(null, doc);
}
}
};
exports.couchdb_parse = couchdb_parse;
var get_couchdb_connection = function () {
var c_opts = {
auth: {
username : cfg.couch_user,
password : cfg.couch_pass
},
cache: true,
raw: false
};
var proto = 'http';
if (cfg.couch_port == 443) {
c_opts['secure'] = true;
proto = 'https';
}
return new(cradle.Connection)(proto + '://' + cfg.couch_host, 5984, c_opts);
};
exports.get_couchdb_connection = get_couchdb_connection;
var get_couchdb_database = function (database) {
var conn = get_couchdb_connection();
return conn.database(exports.couch_prefix + database);
};
exports.get_couchdb_database = get_couchdb_database;
var www_dom = 'www.' + cfg.tl_dom
, tl_dom = cfg.tl_dom
, api_dom = cfg.api_dom
, default_routes = {
router: {}
}
;
default_routes.router[www_dom] = 4001;
default_routes.router[tl_dom] = 4001;
default_routes.router['site.' + cfg.tl_dom] = 13377;
default_routes.router[api_dom] = 4001;
exports.default_routes = default_routes;
var build_proxytable_map = function (cb) {
var conn = get_couchdb_connection();
var apps = get_couchdb_database("apps");
var aliasdomains = get_couchdb_database("aliasdomains");
var proxy_map = default_routes;
apps.view('nodeapps/all', {}, function (err, resp) {
if (err) {
log.info('Error building ptable from db - ' + sys.inspect(err));
} else {
resp.forEach(function (row) {
if (row.port && row._id) { // Block null routes
proxy_map.router[row._id + "." + cfg.tl_dom] = parseInt(row.port, 10);
}
});
aliasdomains.view('aliasdomains/all', {}, function (err, resp) {
if (resp && resp.length) {
resp.forEach(function (row) {
if (row.port && row._id && row.host) { // Block null routes
proxy_map.router[row._id] = parseInt(row.port, 10);
proxy_map.router[row.host] = parseInt(row.port, 10);
}
});
}
cb(proxy_map);
});
}
});
};
exports.build_proxytable_map = build_proxytable_map;
var update_proxytable_map = function (cb) {
log.info('Update called on ptable ' + cfg.proxy_table_file);
build_proxytable_map(function (proxy_map) {
fs.writeFile(cfg.proxy_table_file, JSON.stringify(proxy_map.router), function (err) {
if (err) {
log.info('PTABLE WRITE ERROR: ' + err);
cb(err);
} else {
fs.chmod(cfg.proxy_table_file, '0666', function (err) {
if (err) {
log.info('PTABLE CHMOD ERROR: ' + err);
cb(err);
} else {
cb();
}
});
}
});
});
};
exports.update_proxytable_map = update_proxytable_map;
var checkDomain = function (nname) {
// Huge Array is Huge
var arr = new Array('.com', '.net', '.org', '.biz', '.coop', '.info', '.mobi'
, '.museum', '.name', '.pro', '.edu', '.gov', '.int', '.mil'
, '.ac', '.ad', '.ae', '.af', '.ag', '.ai', '.al', '.am', '.an'
, '.ao', '.aq', '.ar', '.as', '.at', '.au', '.aw', '.az', '.ba'
, '.bb', '.bd', '.be', '.bf', '.bg', '.bh', '.bi', '.bj', '.bm'
, '.bn', '.bo', '.br', '.bs', '.bt', '.bv', '.bw', '.by', '.bz'
, '.ca', '.cc', '.cd', '.cf', '.cg', '.ch', '.ci', '.ck', '.cl'
, '.cm', '.cn', '.co', '.cr', '.cu', '.cv', '.cx', '.cy', '.cz'
, '.de', '.dj', '.dk', '.dm', '.do', '.dz', '.ec', '.ee', '.eg'
, '.eh', '.er', '.es', '.et', '.fi', '.fj', '.fk', '.fm', '.fo'
, '.fr', '.ga', '.gd', '.ge', '.gf', '.gg', '.gh', '.gi', '.gl'
, '.gm', '.gn', '.gp', '.gq', '.gr', '.gs', '.gt', '.gu', '.gv'
, '.gy', '.hk', '.hm', '.hn', '.hr', '.ht', '.hu', '.id', '.ie'
, '.il', '.im', '.in', '.io', '.iq', '.ir', '.is', '.it', '.je'
, '.jm', '.jo', '.jp', '.ke', '.kg', '.kh', '.ki', '.km', '.kn'
, '.kp', '.kr', '.kw', '.ky', '.kz', '.la', '.lb', '.lc', '.li'
, '.lk', '.lr', '.ls', '.lt', '.lu', '.lv', '.ly', '.ma', '.mc'
, '.md', '.mg', '.mh', '.mk', '.ml', '.mm', '.mn', '.mo', '.mp'
, '.mq', '.mr', '.ms', '.mt', '.mu', '.mv', '.mw', '.mx', '.my'
, '.mz', '.na', '.nc', '.ne', '.nf', '.ng', '.ni', '.nl', '.no'
, '.np', '.nr', '.nu', '.nz', '.om', '.pa', '.pe', '.pf', '.pg'
, '.ph', '.pk', '.pl', '.pm', '.pn', '.pr', '.ps', '.pt', '.pw'
, '.py', '.qa', '.re', '.ro', '.rw', '.ru', '.sa', '.sb', '.sc'
, '.sd', '.se', '.sg', '.sh', '.si', '.sj', '.sk', '.sl', '.sm'
, '.sn', '.so', '.sr', '.st', '.sv', '.sy', '.sz', '.tc', '.td'
, '.tf', '.tg', '.th', '.tj', '.tk', '.tm', '.tn', '.to', '.tp'
, '.tr', '.tt', '.tv', '.tw', '.tz', '.ua', '.ug', '.uk', '.um'
, '.us', '.uy', '.uz', '.va', '.vc', '.ve', '.vg', '.vi', '.vn'
, '.vu', '.ws', '.wf', '.ye', '.yt', '.yu', '.za', '.zm', '.zw', '.me');
var mai = nname
, val = true
, dot = mai.lastIndexOf(".")
, dname = mai.substring(0, dot)
, ext = mai.substring(dot, mai.length)
;
if (dot > 2 && dot < 57) {
for (var i = 0; i < arr.length; i++) {
if (ext == arr[i]) {
val = true;
break;
} else {
val = false;
}
}
if (val === false) {
return "Invalid domain extension " + ext + ", please tell support to add it to allowed extensions.";
} else {
for (var j = 0; j < dname.length; j++) {
var dh = dname.charAt(j);
var hh = dh.charCodeAt(0);
if ((hh > 47 && hh < 59) || (hh > 64 && hh < 91) || (hh > 96 && hh < 123) || hh == 45 || hh == 46) {
if ((j === 0 || j == dname.length - 1) && hh == 45) {
return "Domain names should not start or end with a '-'.";
}
} else {
return "Your domain name should not have special characters";
}
}
}
} else {
return "Your domain name is too short/long.";
}
return true;
};
exports.checkDomain = checkDomain;
var escape_packages = function (str) {
return str.replace(/[^a-zA-Z0-9 \.\-_=<>@]+/g, '')
.replace(/^[^a-zA-Z0-9]/, '');
};
exports.escape_packages = escape_packages;
var md5 = function (str) {
return crypto.createHash('md5').update(str).digest('hex');
};
exports.md5 = md5;
var rand_string = function (n) {
var cs = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXTZabcdefghiklmnopqrstuvwxyz'
, cslen = cs.length
, rtv = ''
, rand_char = function () {
return cs.substr(Math.floor(Math.random() * cslen), 1);
};
for (var i = 0; i < n; i++) {
rtv += rand_char();
}
return rtv;
};
exports.rand_string = rand_string;
var exec_array = function (arr, my_cb) {
var running = false
, timer = null
, do_job = function () {
running = true;
var v = arr.shift();
exec(v, function (err, stdout, stderr) {
if (err) {
log.error('lib.exec_array exit: %d - %s', err.code, err.toString());
}
if (stdout) {
log.info('%s stdout: %s', v, stdout); // Ugly output atm.
}
if (stderr) {
log.info('%s stderr: %s', v, stderr); // Ditto
}
running = false;
});
};
timer = setInterval(function () {
if (arr.length > 0) {
if (running === false) {
do_job();
}
} else {
clearInterval(timer);
my_cb();
}
}, 250);
};
exports.exec_array = exec_array;
var is_mounted = function (pat, cb) {
exec('mount | grep \'' + pat + '\'', function (err, stdout, stderr) {
var pos = stdout.indexOf(pat);
if (pos > -1) {
cb(true);
} else {
cb(false);
}
});
};
exports.is_mounted = is_mounted;
var ensure_mounted = function (src, tgt, opts, cb) {
is_mounted(tgt, function (resp) {
if (resp === true) {
cb(true);
} else {
var cmd = 'sudo mount ' + opts + ' ' + src + ' ' + tgt;
exec(cmd, function (err, stdout, stderr) {
is_mounted(tgt, function (resp) {
if (resp === true) {
cb(true);
} else {
cb(false);
}
});
});
}
});
};
exports.ensure_mounted = ensure_mounted;
var tear_down_unionfs_chroot = function (chroot_base, git_home, rw_folder, final_chroot, callback) {
var chr = new chroot(final_chroot);
chr.mounted = true;
chr.stop(function (err, resp) {
// Ignore output...
// BAD need to fix this...
if (err) {
log.warn('tear_down_unionfs_chroot error: ' + err);
} else {
log.info(resp ? 'tear_down done':' tear_down failed')
}
var ufs = new unionfs(chroot_base, git_home, rw_folder, final_chroot);
ufs.mounted = true;
ufs.stop(function (err, resp) {
callback();
});
});
};
exports.tear_down_unionfs_chroot = tear_down_unionfs_chroot;
var setup_unionfs_chroot = function (chroot_base, git_home, rw_folder, final_chroot, callback) {
var ufs = new unionfs(chroot_base, git_home, rw_folder, final_chroot);
ufs.start(function (err, resp) {
if (err) {
log.error('Error setting up unionfs mounts');
log.error(err.message || '')
log.error(err.stack || '')
callback(false);
} else {
var chr = new chroot(final_chroot);
chr.start(function (err, resp) {
if (err) {
log.error('Error setting up chroot mounts');
log.error(err.message || '');
callback(false);
} else {
callback(true);
}
});
}
});
};
exports.setup_unionfs_chroot = setup_unionfs_chroot;
var check_node_version = function(ver,cb){
if (ver){
exec('n use ' + ver, function(e,d){
if (e){
cb(false);
} else {
cb(true);
}
});
} else {
cb(false);
}
};
exports.check_node_version = check_node_version;
var check_available_versions = function(cb){
exec('n', function(e,list){
if (!e) {
var installed = list.split('\n');
list = installed.filter(function(v) {
return !isNaN(parseInt(v));
}).map(function(v){
return v.trim();
});
// add the current version who by default is scaped
list.push(process.version.replace('v',''));
cb(list);
} else {
cb(['not_versions_found']);
}
});
};
exports.check_available_versions = check_available_versions;
// I think that a Sync version of the above functions would be useful
var node_versions = function(){
return fs.readdirSync(path.join(cfg.node_base_folder + '/usr/local/n/versions'));
};
exports.node_versions = node_versions;
var watcher_code = function(domain,user,mem,space){
/* Deprecated */
var usern = user.split(':')[0]
var pass = user.split(':')[1]
mem = mem || 25;
space = space || 25;
return ";(new (require('node-watcher'))\
({host:'"+ domain+"',user:'"+usern + "',password:'"+ pass+"'\
,path:'/app/audit'})).emitter({maxMemory:"+mem+",sizeSpace:"+space+",\
checkSpace:true});"
}
exports.watcher_code = watcher_code;
var insert_code = function(location,file,user,domain,table,cb){
/* Deprecated */
var repo_id = location.split('/');
repo_id = repo_id[repo_id.length-1];
// I don't like try/catch but I'm trying to make this function sync as posibble
// more reliable in the response method that I'm looking for
try {
var table = JSON.parse(fs.readFileSync(table));
} catch(e){
log.error(e.message)
var table ={}
}
try {
if (path.extname(path.join(location,file)) === '.js'){
var target = path.join(location,file);
exec([
'sudo chown -R nodester '+ location,
'cd '+ location].join('; '),function(err,stdout,stderr){
if (!err){
var old = fs.readFileSync(target, 'utf8')
, newfile =''
, mem = 25
, space = 25;
if (table[repo_id]) {
mem = table[repo_id].mem || 25
space = table[repo_id].space || 25
}
log.info(new Date,'\t',repo_id+ '\'ll run with mem:',mem,'and space:',space)
var code = watcher_code(domain,user,mem,space)
// removing previous code
old = old.split('\n').filter(function(line){
return !/require\(\'node\-watcher\'\)/gi.test(line);
}).join('\n');
var lines = old.split('\n');
if (/\#!\//gi.test(lines[0])){
var shebang = lines[0]
lines.shift();
newfile = shebang+'\n'+code+'\n'+lines.join('\n');
} else {
newfile = code+'\n'+old
}
var inserted = fs.createWriteStream(target, {'flags': 'w'},'utf8');
inserted.end(newfile);
if (!path.existsSync(path.join(location,'package.json'))) {
var toWrite= '{"name":"app'+Math.round(Math.random(0,10)*30)+'","node":"0.6.12","version":"0.0.1"}';
fs.writeFileSync(path.join(location,'package.json'), toWrite, 'utf8');
}
exec([
'cd '+ location,
'n npm 0.6.12 install node-watcher .',
'sudo git add .',
'sudo git commit -am "[nodesterBot] Watcher code inserted"',
'sudo chown -R git '+location].join('; '),function(error,stdout2){
if (error) throw error;
});
} else {
throw err;
}
});
return true;
} else {
return false;
}
}catch(e){
return false;
}
}
exports.insert_code = insert_code;