%PDF-
%PDF-
Mini Shell
Mini Shell
/**
* Copyright 2013-2022 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 fs = require('fs'),
util = require('util'),
chalk = require('chalk'),
forEachLimit = require('async/forEachLimit'),
dayjs = require('dayjs');
var Log = module.exports = {};
var DEFAULT_PADDING = ' ';
/**
* Tail logs from file stream.
* @param {Object} apps_list
* @param {Number} lines
* @param {Boolean} raw
* @param {Function} callback
* @return
*/
Log.tail = function(apps_list, lines, raw, callback) {
var that = this;
if (lines === 0 || apps_list.length === 0)
return callback && callback();
var count = 0;
var getLastLines = function (filename, lines, callback) {
var chunk = '';
var size = Math.max(0, fs.statSync(filename).size - (lines * 200));
var fd = fs.createReadStream(filename, {start : size});
fd.on('data', function(data) { chunk += data.toString(); });
fd.on('end', function() {
chunk = chunk.split('\n').slice(-(lines+1));
chunk.pop();
callback(chunk);
});
};
apps_list.sort(function(a, b) {
return (fs.existsSync(a.path) ? fs.statSync(a.path).mtime.valueOf() : 0) -
(fs.existsSync(b.path) ? fs.statSync(b.path).mtime.valueOf() : 0);
});
forEachLimit(apps_list, 1, function(app, next) {
if (!fs.existsSync(app.path || ''))
return next();
getLastLines(app.path, lines, function(output) {
console.log(chalk.grey('%s last %d lines:'), app.path, lines);
output.forEach(function(out) {
if (raw)
return app.type === 'err' ? console.error(out) : console.log(out);
if (app.type === 'out')
process.stdout.write(chalk.green(pad(DEFAULT_PADDING, app.app_name) + ' | '));
else if (app.type === 'err')
process.stdout.write(chalk.red(pad(DEFAULT_PADDING, app.app_name) + ' | '));
else
process.stdout.write(chalk.blue(pad(DEFAULT_PADDING, 'PM2') + ' | '));
console.log(out);
});
if (output.length)
process.stdout.write('\n');
next();
});
}, function() {
callback && callback();
});
};
/**
* Stream logs in realtime from the bus eventemitter.
* @param {String} id
* @param {Boolean} raw
* @return
*/
Log.stream = function(Client, id, raw, timestamp, exclusive, highlight) {
var that = this;
Client.launchBus(function(err, bus, socket) {
socket.on('reconnect attempt', function() {
if (global._auto_exit === true) {
if (timestamp)
process.stdout.write(chalk['dim'](chalk.grey(dayjs().format(timestamp) + ' ')));
process.stdout.write(chalk.blue(pad(DEFAULT_PADDING, 'PM2') + ' | ') + '[[[ Target PM2 killed. ]]]');
process.exit(0);
}
});
var min_padding = 3
bus.on('log:*', function(type, packet) {
if (id !== 'all'
&& packet.process.name != id
&& packet.process.pm_id != id)
return;
if ((type === 'out' && exclusive === 'err')
|| (type === 'err' && exclusive === 'out')
|| (type === 'PM2' && exclusive !== false))
return;
var lines;
if (typeof(packet.data) === 'string')
lines = (packet.data || '').split('\n');
else
return;
lines.forEach(function(line) {
if (!line || line.length === 0) return;
if (raw)
return type === 'err' ? process.stderr.write(util.format(line) + '\n') : process.stdout.write(util.format(line) + '\n');
if (timestamp)
process.stdout.write(chalk['dim'](chalk.grey(dayjs().format(timestamp) + ' ')));
var name = packet.process.pm_id + '|' + packet.process.name;
if (name.length > min_padding)
min_padding = name.length + 1
if (type === 'out')
process.stdout.write(chalk.green(pad(' '.repeat(min_padding), name) + ' | '));
else if (type === 'err')
process.stdout.write(chalk.red(pad(' '.repeat(min_padding), name) + ' | '));
else if (!raw && (id === 'all' || id === 'PM2'))
process.stdout.write(chalk.blue(pad(' '.repeat(min_padding), 'PM2') + ' | '));
if (highlight)
process.stdout.write(util.format(line).replace(highlight, chalk.bgBlackBright(highlight)) + '\n');
else
process.stdout.write(util.format(line)+ '\n');
});
});
});
};
Log.devStream = function(Client, id, raw, timestamp, exclusive) {
var that = this;
Client.launchBus(function(err, bus) {
setTimeout(function() {
bus.on('process:event', function(packet) {
if (packet.event == 'online')
console.log(chalk.green('[rundev] App %s restarted'), packet.process.name);
});
}, 1000);
var min_padding = 3
bus.on('log:*', function(type, packet) {
if (id !== 'all'
&& packet.process.name != id
&& packet.process.pm_id != id)
return;
if ((type === 'out' && exclusive === 'err')
|| (type === 'err' && exclusive === 'out')
|| (type === 'PM2' && exclusive !== false))
return;
if (type === 'PM2')
return;
var name = packet.process.pm_id + '|' + packet.process.name;
var lines;
if (typeof(packet.data) === 'string')
lines = (packet.data || '').split('\n');
else
return;
lines.forEach(function(line) {
if (!line || line.length === 0) return;
if (raw)
return process.stdout.write(util.format(line) + '\n');
if (timestamp)
process.stdout.write(chalk['dim'](chalk.grey(dayjs().format(timestamp) + ' ')));
var name = packet.process.name + '-' + packet.process.pm_id;
if (name.length > min_padding)
min_padding = name.length + 1
if (type === 'out')
process.stdout.write(chalk.green(pad(' '.repeat(min_padding), name) + ' | '));
else if (type === 'err')
process.stdout.write(chalk.red(pad(' '.repeat(min_padding), name) + ' | '));
else if (!raw && (id === 'all' || id === 'PM2'))
process.stdout.write(chalk.blue(pad(' '.repeat(min_padding), 'PM2') + ' | '));
process.stdout.write(util.format(line) + '\n');
});
});
});
};
Log.jsonStream = function(Client, id) {
var that = this;
Client.launchBus(function(err, bus) {
if (err) console.error(err);
bus.on('process:event', function(packet) {
process.stdout.write(JSON.stringify({
timestamp : dayjs(packet.at),
type : 'process_event',
status : packet.event,
app_name : packet.process.name
}));
process.stdout.write('\n');
});
bus.on('log:*', function(type, packet) {
if (id !== 'all'
&& packet.process.name != id
&& packet.process.pm_id != id)
return;
if (type === 'PM2')
return;
if (typeof(packet.data) == 'string')
packet.data = packet.data.replace(/(\r\n|\n|\r)/gm,'');
process.stdout.write(JSON.stringify({
message : packet.data,
timestamp : dayjs(packet.at),
type : type,
process_id : packet.process.pm_id,
app_name : packet.process.name
}));
process.stdout.write('\n');
});
});
};
Log.formatStream = function(Client, id, raw, timestamp, exclusive, highlight) {
var that = this;
Client.launchBus(function(err, bus) {
bus.on('log:*', function(type, packet) {
if (id !== 'all'
&& packet.process.name != id
&& packet.process.pm_id != id)
return;
if ((type === 'out' && exclusive === 'err')
|| (type === 'err' && exclusive === 'out')
|| (type === 'PM2' && exclusive !== false))
return;
if (type === 'PM2' && raw)
return;
var name = packet.process.name + '-' + packet.process.pm_id;
var lines;
if (typeof(packet.data) === 'string')
lines = (packet.data || '').split('\n');
else
return;
lines.forEach(function(line) {
if (!line || line.length === 0) return;
if (!raw) {
if (timestamp)
process.stdout.write('timestamp=' + dayjs().format(timestamp) + ' ');
if (packet.process.name === 'PM2')
process.stdout.write('app=pm2 ');
if (packet.process.name !== 'PM2')
process.stdout.write('app=' + packet.process.name + ' id=' + packet.process.pm_id + ' ');
if (type === 'out')
process.stdout.write('type=out ');
else if (type === 'err')
process.stdout.write('type=error ');
}
process.stdout.write('message=');
if (highlight)
process.stdout.write(util.format(line).replace(highlight, chalk.bgBlackBright(highlight)) + '\n');
else
process.stdout.write(util.format(line) + '\n');
});
});
});
};
function pad(pad, str, padLeft) {
if (typeof str === 'undefined')
return pad;
if (padLeft) {
return (pad + str).slice(-pad.length);
} else {
return (str + pad).substring(0, pad.length);
}
}
Zerion Mini Shell 1.0