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| var chalk = require('chalk')
var path = require('path')
var fs = require('fs')
var _ = require('lodash')
var socketIO = require('socket.io')
var inquirer = require('inquirer')
var Monitor = require('./lib/monitor')
var Log = require('./lib/util/log')
var Web = require('./web/index')
var layout = require('./lib/blessed-widget/layout')
Iif (path.basename(process.mainModule.filename, '.js') === 'pm2-gui') {
var cmd, file
if (process.argv.length > 2) {
cmd = process.argv[2]
}
if (process.argv.length > 3) {
file = process.argv[3]
}
cmd = cmd || 'start'
switch (cmd) {
case 'start':
startWebServer(file)
break
case 'agent':
startAgent(file)
break
case 'mon':
dashboard(file)
break
default:
Log({
level: 0,
prefix: true
})
console.error('Command', cmd, 'is not supported!')
break
}
}
exports.startWebServer = startWebServer
exports.startAgent = startAgent
exports.dashboard = dashboard
exports.exitGraceful = exitGraceful
function startWebServer (confFile) {
var monitor = slave({
confFile: confFile
})
var options = monitor.options
options.port = options.port || 8088
var server = Web({
middleware: function (req, res, next) {
req._config = options
next()
},
port: options.port
})
monitor.sockio = socketIO(server, {
origins: options.origins || '*:*'
})
monitor.run()
console.info('Web server is listening on 127.0.0.1:' + options.port)
}
function startAgent (confFile) {
var monitor = slave({
confFile: confFile
})
var options = monitor.options
options.agent = options.agent || {}
if (options.agent.offline) {
console.error('Agent is offline, can not start it.')
return process.exit(0)
}
options.port = options.port || 8088
var sockio = socketIO()
sockio.listen(options.port, {
origins: options.origins || '*:*'
})
monitor.sockio = sockio
monitor.run()
console.info('Socket.io server is listening on 0.0.0.0:' + options.port)
}
function dashboard (confFile) {
// restore cursor
process.on('exit', function () {
process.stdout.write('\u001b[?25h')
})
var monitor = slave({
confFile: confFile
})
var options = _.clone(monitor.options)
var q = Monitor.available(options)
if (!q) {
console.error('No agent is online, can not start it.')
return process.exit(0)
}
var ql = q.choices.length
if (ql === 1) {
if (q.choices[0].short !== 'localhost') {
console.info('There is just one remoting server online, try to connect it.')
}
return _connectToDashboard(monitor, options, Monitor.parseConnectionString(q.choices[0].value))
}
if (!options.agent || !options.agent.offline) {
q.choices.splice(ql - 1, 0, new inquirer.Separator())
}
console.info('Remoting servers are online, choose one you are intrested in.')
console.log('')
inquirer.prompt(q).then(function (answers) {
console.log('')
_connectToDashboard(monitor, options, Monitor.parseConnectionString(answers.socket_server))
})
}
function exitGraceful (code, signal) {
code = code || 0
if (signal !== '-f') {
console.debug('Slave has exited, code: ' + code + ', signal: ' + (signal || 'NULL'))
}
var fds = 0
function tryToExit () {
if ((fds & 1) && (fds & 2)) {
process.exit(code)
}
}
[process.stdout, process.stderr].forEach(function (std) {
var fd = std.fd
if (!std.bufferSize) {
fds = fds | fd
} else {
std.write && std.write('', function () {
fds = fds | fd
tryToExit()
})
}
})
tryToExit()
}
function slave (options) {
process.title = 'pm2-gui slave'
options = options || {}
var confFile = options.confFile
if (!confFile) {
confFile = path.resolve(__dirname, './pm2-gui.ini')
if (!fs.existsSync(confFile)) {
console.error(chalk.bold(confFile), 'does not exist!')
return process.exit(0)
}
}
var monitor = Monitor({
confFile: confFile
})
Log(monitor.options.log)
console.log(chalk.cyan(
'\n' +
'█▀▀█ █▀▄▀█ █▀█ ░░ ▒█▀▀█ ▒█░▒█ ▀█▀\n' +
'█░░█ █░▀░█ ░▄▀ ▀▀ ▒█░▄▄ ▒█░▒█ ▒█░\n' +
'█▀▀▀ ▀░░░▀ █▄▄ ░░ ▒█▄▄█ ░▀▄▄▀ ▄█▄\n'))
process.on('SIGTERM', shutdown)
process.on('SIGINT', shutdown)
process.on('SIGHUP', restart)
process.on('uncaughtException', caughtException)
process.on('exit', exitGraceful)
function shutdown (code, signal) {
console.info('Shutting down....')
monitor.quit()
console.info('Shutdown complete!')
exitGraceful(code, '-f')
}
function restart () {
if (process.send) {
process.send({
action: 'restart'
})
} else {
console.error('No IPC found, could not restart monitor, shutting down.')
shutdown(1)
}
}
function caughtException (err) {
console.error(err.stack)
shutdown(1)
}
return monitor
}
function _connectToDashboard (monitor, options, connection) {
connection = _.extend({}, options, connection)
if (!!~['127.0.0.1', '0.0.0.0', 'localhost'].indexOf(connection.hostname)) { // eslint-disable-line no-extra-boolean-cast
return monitor.connect(connection, function (socket) {
console.info('Agent is online, try to connect it in dashboard directly.')
layout(connection).render(monitor)
}, function (err, socket) {
if (err === 'unauthorized') {
console.error('There was an error with the authentication:', err)
return process.exit(0)
}
console.warn('Agent is offline, try to start it.')
var sockio = socketIO()
sockio.listen(connection.port, {
origins: options.origins || '*:*'
})
monitor.sockio = sockio
monitor.run()
layout(connection).render(monitor)
})
}
layout(connection).render(monitor)
}
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