pm2/lib/CLI.js
2013-09-29 18:39:41 +02:00

523 lines
15 KiB
JavaScript

var commander = require('commander');
var fs = require('fs');
var path = p = require('path');
var util = require('util');
var watch = require('watch');
var cronJob = require('cron').CronJob;
var Monit = require('./Monit');
var UX = require('./CliUx');
var Log = require('./Log');
var Satan = require('./Satan');
var cst = require('../constants.js');
var pkg = require('../package.json');
var CLI = module.exports = {};
CLI.startFile = function(script) {
var appConf = {
script : script,
name : p.basename(script, '.js')
};
if (commander.name)
appConf['name'] = commander.name;
if (commander.instances)
appConf['instances'] = commander.instances;
if (commander.error)
appConf['fileError'] = commander.error;
if (commander.output)
appConf['fileOutput'] = commander.output;
if (commander.pid)
appConf['pidFile'] = commander.pid;
if (commander.cron)
appConf['cron_restart'] = commander.cron;
// Script arguments
var env = commander.rawArgs.indexOf('--') + 1;
if (env > 1)
appConf['args'] = JSON.stringify(commander.rawArgs.slice(env, commander.rawArgs.length));
if (commander.write) {
var dst_path = path.join(process.env.PWD, path.basename(script, '.js') + '-pm2.json');
console.log(cst.PREFIX_MSG + 'Writing configuration to ', dst_path);
fs.writeFileSync(dst_path, JSON.stringify(appConf));
}
else {
console.log(cst.PREFIX_MSG + 'Configuration :\n' + JSON.stringify(appConf, null, 2));
console.log(cst.PREFIX_MSG + 'You can write this config on the current folder by adding the -w option');
}
Satan.executeRemote('findByScript', appConf.script, function(err, exec) {
if (exec && !commander.force) {
console.error(cst.PREFIX_MSG_ERR + 'Script already launched, add -f option to force re execution');
process.exit(cst.ERROR_EXIT);
}
Satan.executeRemote('prepare', resolvePaths(appConf), function() {
console.log(cst.PREFIX_MSG + 'Process launched');
speedList();
});
});
};
CLI.startFromJson = function(cmd) {
var data = fs.readFileSync(cmd);
var appConf = JSON.parse(data);
if (Array.isArray(appConf)) {
// Array of JSON, here it's for multiple and different applications
(function ex(apps) {
if (!apps[0]) return speedList();
Satan.executeRemote('prepare', resolvePaths(apps[0]), function() {
apps.shift();
return ex(apps);
});
return false;
})(appConf);
}
else {
// Here Standalone application
Satan.executeRemote('findByScript', appConf.script, function(err, exec) {
if (exec && !commander.force) {
console.error(cst.PREFIX_MSG + 'Script already launched, add -f option to force re execution');
process.exit(cst.ERROR_EXIT);
}
Satan.executeRemote('prepare', resolvePaths(appConf), function() {
console.log(cst.PREFIX_MSG + 'Process launched');
speedList();
});
});
}
};
CLI.resurrect = function() {
try {
fs.existsSync(cst.DUMP_FILE_PATH);
} catch(e) {
console.error(cst.PREFIX_MSG + 'No processes saved file DUMP doesnt exist');
}
var apps = fs.readFileSync(cst.DUMP_FILE_PATH);
(function ex(apps) {
if (!apps[0]) return speedList();
Satan.executeRemote('prepare', apps[0], function() {
console.log('\n' + cst.PREFIX_MSG + 'Process %s launched', apps[0].pm_exec_path);
apps.shift();
return ex(apps);
});
return false;
})(JSON.parse(apps));
};
CLI.upstart = function(platform) {
if (process.getuid() != 0) {
console.error(cst.PREFIX_MSG + 'You have to run this command as root');
console.error(cst.PREFIX_MSG + 'Execute the following command :');
if (platform === undefined) platform = '';
console.error(cst.PREFIX_MSG + 'sudo env PATH=$PATH:' + p.dirname(process.execPath) + ' pm2 startup ' + platform);
process.exit(cst.ERROR_EXIT);
}
var script = fs.readFileSync(path.join(__dirname, STARTUP_SCRIPT));
script = script.toString().replace(/%PM2_PATH%/g, process.mainModule.filename);
script = script.toString().replace(/%HOME_PATH%/g, process.env.HOME);
script = script.toString().replace(/%NODE_PATH%/g, process.execPath);
var INIT_SCRIPT = "/etc/init.d/pm2-init.sh";
fs.writeFileSync(INIT_SCRIPT, script);
var exec = require('child_process').exec;
var cmd;
if (platform == 'centos')
cmd = 'chmod +x ' + INIT_SCRIPT + '; chkconfig --level 2345 ' + p.basename(INIT_SCRIPT) + ' on';
else
cmd = 'chmod +x ' + INIT_SCRIPT + '; update-rc.d ' + p.basename(INIT_SCRIPT) + ' defaults';
exec(cmd, function(err, stdo, stde) {
if (err) {
console.error(err);
process.exit(cst.ERROR_EXIT);
}
console.log(stdo);
process.exit(cst.SUCCESS_EXIT);
});
};
CLI.dump = function() {
var env_arr = [];
Satan.executeRemote('getMonitorData', {}, function(err, list) {
if (err) {
console.error('Error retrieving process list: ' + err);
process.exit(cst.ERROR_EXIT);
}
function fin(err) {
fs.writeFileSync(cst.DUMP_FILE_PATH, JSON.stringify(env_arr));
UX.processing.stop();
process.exit(cst.SUCCESS_EXIT);
}
(function ex(apps) {
if (!apps[0]) return fin(null);
delete apps[0].pm2_env.instances;
env_arr.push(apps[0].pm2_env);
apps.shift();
return ex(apps);
})(list);
});
};
CLI.web = function() {
Satan.executeRemote('prepare', resolvePaths({
script : p.resolve(p.dirname(module.filename), './HttpInterface.js'),
name : 'Pm2Http' + cst.WEB_INTERFACE
}), function() {
console.log(cst.PREFIX_MSG + 'Process launched');
speedList();
});
};
CLI.reload = function (cluster) {
Satan.executeRemote('reload', cluster, function(err) {
if (err) {
console.error('Cannot reload process: ' + err);
process.exit(cst.ERROR_EXIT);
return;
}
console.log('\n' + cst.PREFIX_MSG + 'All processes reloaded');
process.exit(cst.SUCCESS_EXIT);
});
};
CLI.restartProcessByName = function(pm2_name) {
Satan.executeRemote('restartProcessName', pm2_name, function(err, list) {
if (err) {
console.error('Error : ' + err);
process.exit(cst.ERROR_EXIT);
}
console.log(cst.PREFIX_MSG + 'Process ' + pm2_name + ' restarted');
process.exit(cst.SUCCESS_EXIT);
});
};
CLI.restartProcessById = function(pm2_id) {
Satan.executeRemote('restartProcessId', pm2_id, function(err, res) {
if (err) {
console.error('Error : ' + err);
process.exit(cst.ERROR_EXIT);
}
console.log(cst.PREFIX_MSG + 'Process ' + pm2_id + ' restarted');
process.exit(cst.SUCCESS_EXIT);
});
};
CLI.restartAll = function() {
Satan.executeRemote('getMonitorData', {}, function(err, list) {
if (err) {
console.error('Error retrieving process list: ' + err);
process.exit(cst.ERROR_EXIT);
}
list.forEach(function(l) {
try {
process.kill(l.pid);
} catch(e) { }
});
setTimeout(function() {
console.log('\n' + cst.PREFIX_MSG + 'Process restarted');
process.exit(cst.SUCCESS_EXIT);
}, 1000);
});
};
CLI.stopAll = function() {
Satan.executeRemote('stopAll', {}, function(err, list) {
if (err) {
console.error('\n' + cst.PREFIX_MSG_ERR + err);
process.exit(cst.ERROR_EXIT);
}
UX.dispAsTable(list);
UX.processing.stop();
process.exit(cst.SUCCESS_EXIT);
});
};
CLI.deleteProcess = function(process_name) {
if (process_name == 'all') {
Satan.executeRemote('deleteAll', {}, function(err, list) {
if (err) {
console.error('\n' + cst.PREFIX_MSG_ERR + err);
process.exit(cst.ERROR_EXIT);
}
UX.dispAsTable(list);
UX.processing.stop();
process.exit(cst.SUCCESS_EXIT);
});
}
else {
Satan.executeRemote('deleteProcess', process_name, function(err, list) {
if (err) {
console.error('\n' + cst.PREFIX_MSG_ERR + err);
process.exit(cst.ERROR_EXIT);
}
UX.dispAsTable(list);
UX.processing.stop();
process.exit(cst.SUCCESS_EXIT);
});
}
};
CLI.stopProcessName = function(name) {
Satan.executeRemote('stopProcessName', name, function(err, list) {
if (err) {
console.error(err);
process.exit(cst.ERROR_EXIT);
}
console.log('\n');
UX.dispAsTable(list);
UX.processing.stop();
process.exit(cst.SUCCESS_EXIT);
});
};
CLI.stopId = function(pm2_id) {
Satan.executeRemote('stopProcessId', pm2_id, function(err, list) {
if (err) {
console.error(cst.PREFIX_MSG_ERR + pm2_id + ' : pm2 id not found');
process.exit(cst.ERROR_EXIT);
}
console.log('\n');
//UX.dispAsTable(list);
console.log(cst.PREFIX_MSG + 'Process stopped');
UX.processing.stop();
process.exit(cst.SUCCESS_EXIT);
});
};
CLI.generateSample = function(name) {
var sample = fs.readFileSync(path.join(__dirname, cst.SAMPLE_FILE_PATH));
var dt = sample.toString().replace(/VARIABLE/g, name);
var f_name = name + '-pm2.json';
fs.writeFileSync(path.join(process.env.PWD, f_name), dt);
console.info('Sample generated on current folder\n%s :\n', f_name);
console.info(dt);
process.exit(cst.SUCCESS_EXIT);
};
CLI.list = function() {
Satan.executeRemote('getMonitorData', {}, function(err, list) {
if (err) {
console.error('Error retrieving process list: ' + err);
process.exit(cst.ERROR_EXIT);
}
console.log(cst.PREFIX_MSG, 'Process listing');
UX.dispAsTable(list);
console.log(cst.PREFIX_MSG, 'PM2 log file path : ', cst.PM2_LOG_FILE_PATH, ' (type pm2 logs to see log streaming)');
process.exit(cst.SUCCESS_EXIT);
});
};
CLI.jlist = function(debug) {
Satan.executeRemote('getMonitorData', {}, function(err, list) {
if (err) {
console.error('Error retrieving process list: ' + err);
process.exit(cst.ERROR_EXIT);
}
if (debug)
console.log(list);
else
console.log(JSON.stringify(list));
process.exit(cst.SUCCESS_EXIT);
});
};
CLI.flush = function() {
console.log(cst.PREFIX_MSG + 'Flushing ' + cst.PM2_LOG_FILE_PATH);
fs.openSync(cst.PM2_LOG_FILE_PATH, 'w');
Satan.executeRemote('getMonitorData', {}, function(err, list) {
if (err) {
console.error('Error retrieving process list: ' + err);
process.exit(cst.ERROR_EXIT);
}
list.forEach(function(l) {
console.log(cst.PREFIX_MSG + 'Flushing');
console.log(cst.PREFIX_MSG + l.pm2_env.pm_out_log_path);
console.log(cst.PREFIX_MSG + l.pm2_env.pm_err_log_path);
fs.openSync(l.pm2_env.pm_out_log_path, 'w');
fs.openSync(l.pm2_env.pm_err_log_path, 'w');
});
process.exit(cst.SUCCESS_EXIT);
});
};
CLI.monit = function() {
Satan.executeRemote('getMonitorData', {}, function(err, list) {
if (err) {
console.error('Error retrieving process list: ' + err);
process.exit(cst.ERROR_EXIT);
}
if (Object.keys(list).length == 0) {
console.log(cst.PREFIX_MSG + 'No online process to monitor');
process.exit(cst.ERROR_EXIT);
}
Monit.init(list);
function refresh(cb) {
Satan.executeRemote('getMonitorData', {}, function(err, list) {
if (err) {
console.error('Error retrieving process list: ' + err);
process.exit(cst.ERROR_EXIT);
}
setTimeout(function() {
Monit.refresh(list);
refresh();
}, 400);
});
}
refresh();
});
};
CLI.streamLogs = function(id) {
var tdb = {};
Satan.executeRemote('getMonitorData', {}, function(err, list) {
if (err) {
console.error('Error retrieving process list: ' + err);
process.exit(cst.ERROR_EXIT);
}
list.forEach(function(l) {
tdb[l.pm2_env.pm_exec_path] = l;
});
console.log('########### Starting streaming logs for [%s] process', id || 'all');
for (var k in tdb) {
if (((!id || (id && !isNaN(parseInt(id)) && tdb[k].pm2_env.pm_id == id)) ||
(!id || (id && isNaN(parseInt(id)) && tdb[k].name == id))) &&
tdb[k].pm2_env.status == 'online') {
var app_name = tdb[k].pm2_env.name || p.basename(tdb[k].pm2_env.pm_exec_path);
if (tdb[k].pm2_env.pm_out_log_path)
Log.stream(tdb[k].pm2_env.pm_out_log_path,
app_name + '-' + tdb[k].pm_id + ' (out)');
if (tdb[k].pm2_env.pm_err_log_path)
Log.stream(tdb[k].pm2_env.pm_err_log_path,
app_name + '-' + tdb[k].pm_id + ' (err)');
}
}
});
};
CLI.killDaemon = function() {
Satan.killDaemon(function(err, res) {
if (err) {
console.error('Error when killing daemon');
process.exit(cst.ERROR_EXIT);
}
console.info('Daemon killed');
process.exit(cst.SUCCESS_EXIT);
});
};
//
// Private methods
//
function speedList() {
Satan.executeRemote('getMonitorData', {}, function(err, list) {
if (err) {
console.error('Error retrieving process list: ' + err);
process.exit(cst.ERROR_EXIT);
}
UX.dispAsTable(list);
process.exit(cst.SUCCESS_EXIT);
});
}
function validate(appConf) {
var instances = appConf['instances'];
var script = appConf['script'];
var cron_pattern = appConf['cron_restart'];
if (instances && isNaN(parseInt(instances)) && instances != 'max') {
console.error(cst.PREFIX_MSG_ERR + 'Instance option must be an integer or the "max" string');
process.exit(cst.ERROR_EXIT);
}
if (cron_pattern) {
try {
console.log(cron_pattern);
var cron_test = new cronJob(cron_pattern, function() {
console.log(cst.PREFIX_MSG + 'cron pattern for auto restart detected and valid');
delete cron_test;
});
} catch(ex) {
console.error(cst.PREFIX_MSG_ERR + 'Cron pattern is not valid !');
process.exit(cst.ERROR_EXIT);
}
}
}
//
// Resolving path, seing if default ...
//
function resolvePaths(app) {
validate(app);
app.env = {};
app["pm_exec_path"] = path.resolve(process.cwd(), app.script);
delete app.script;
if (fs.existsSync(app.pm_exec_path) == false) {
console.error(cst.PREFIX_MSG_ERR + 'script not found : ' + app.pm_exec_path);
process.exit(cst.ERROR_EXIT);
}
if (app.fileOutput)
app["pm_out_log_path"] = path.resolve(process.cwd(), app.fileOutput);
else {
if (!app.name) {
console.error(cst.PREFIX_MSG_ERR + 'You havent specified log path, please specify at least a "name" field in the JSON');
process.exit(cst.ERROR_EXIT);
}
app["pm_out_log_path"] = path.resolve(cst.DEFAULT_LOG_PATH, [app.name, '-out.log'].join(''));
app.fileOutput = app["pm_out_log_path"];
}
delete app.fileOutput;
if (app.fileError)
app["pm_err_log_path"] = path.resolve(process.cwd(), app.fileError);
else {
app["pm_err_log_path"] = path.resolve(cst.DEFAULT_LOG_PATH, [app.name, '-err.log'].join(''));
app.fileError = app["pm_err_log_path"];
}
delete app.fileError;
if (app.pidFile)
app["pm_pid_path"] = path.resolve(process.cwd(), app.pidFile);
else {
app["pm_pid_path"] = path.resolve(cst.DEFAULT_PID_PATH, [app.name, '.pid'].join(''));
app.pidFile = app["pm_pid_path"];
}
delete app.pidFile;
// Set current env
util._extend(app.env, process.env);
return app;
}