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nodebb/src/cli/running.js

125 lines
2.8 KiB
JavaScript

'use strict';
const fs = require('fs');
const childProcess = require('child_process');
const fork = require('../meta/debugFork');
const { paths } = require('../constants');
const cwd = paths.baseDir;
function getRunningPid(callback) {
fs.readFile(paths.pidfile, {
encoding: 'utf-8',
}, (err, pid) => {
if (err) {
return callback(err);
}
pid = parseInt(pid, 10);
try {
process.kill(pid, 0);
callback(null, pid);
} catch (e) {
callback(e);
}
});
}
function start(options) {
if (options.dev) {
process.env.NODE_ENV = 'development';
fork(paths.loader, ['--no-daemon', '--no-silent'], {
env: process.env,
stdio: 'inherit',
cwd,
});
return;
}
if (options.log) {
console.log(`\n${[
'Starting NodeBB with logging output'.bold,
'Hit '.red + 'Ctrl-C '.bold + 'to exit'.red,
'The NodeBB process will continue to run in the background',
`Use "${'./nodebb stop'.yellow}" to stop the NodeBB server`,
].join('\n')}`);
} else if (!options.silent) {
console.log(`\n${[
'Starting NodeBB'.bold,
` "${'./nodebb stop'.yellow}" to stop the NodeBB server`,
` "${'./nodebb log'.yellow}" to view server output`,
` "${'./nodebb help'.yellow}${'" for more commands\n'.reset}`,
].join('\n')}`);
}
// Spawn a new NodeBB process
const child = fork(paths.loader, process.argv.slice(3), {
env: process.env,
cwd,
});
if (options.log) {
childProcess.spawn('tail', ['-F', './logs/output.log'], {
stdio: 'inherit',
cwd,
});
}
return child;
}
function stop() {
getRunningPid((err, pid) => {
if (!err) {
process.kill(pid, 'SIGTERM');
console.log('Stopping NodeBB. Goodbye!');
} else {
console.log('NodeBB is already stopped.');
}
});
}
function restart(options) {
getRunningPid((err, pid) => {
if (!err) {
console.log('\nRestarting NodeBB'.bold);
process.kill(pid, 'SIGTERM');
options.silent = true;
start(options);
} else {
console.warn('NodeBB could not be restarted, as a running instance could not be found.');
}
});
}
function status() {
getRunningPid((err, pid) => {
if (!err) {
console.log(`\n${[
'NodeBB Running '.bold + (`(pid ${pid.toString()})`).cyan,
`\t"${'./nodebb stop'.yellow}" to stop the NodeBB server`,
`\t"${'./nodebb log'.yellow}" to view server output`,
`\t"${'./nodebb restart'.yellow}" to restart NodeBB\n`,
].join('\n')}`);
} else {
console.log('\nNodeBB is not running'.bold);
console.log(`\t"${'./nodebb start'.yellow}${'" to launch the NodeBB server\n'.reset}`);
}
});
}
function log() {
console.log('\nHit '.red + 'Ctrl-C '.bold + 'to exit\n'.red + '\n'.reset);
childProcess.spawn('tail', ['-F', './logs/output.log'], {
stdio: 'inherit',
cwd,
});
}
exports.start = start;
exports.stop = stop;
exports.restart = restart;
exports.status = status;
exports.log = log;