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2 |
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4 |
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5 |
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6 | var fs = require('fs'),
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7 | util = require('util'),
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8 | chalk = require('chalk'),
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9 | forEachLimit = require('async/forEachLimit'),
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10 | dayjs = require('dayjs');
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11 |
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12 | var Log = module.exports = {};
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13 |
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14 | var DEFAULT_PADDING = ' ';
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15 |
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16 |
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17 |
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18 |
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19 |
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20 |
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21 |
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22 |
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23 |
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24 |
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25 | Log.tail = function(apps_list, lines, raw, callback) {
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26 | var that = this;
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27 |
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28 | if (lines === 0 || apps_list.length === 0)
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29 | return callback && callback();
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30 |
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31 | var count = 0;
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32 |
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33 | var getLastLines = function (filename, lines, callback) {
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34 | var chunk = '';
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35 | var size = Math.max(0, fs.statSync(filename).size - (lines * 200));
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36 |
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37 | var fd = fs.createReadStream(filename, {start : size});
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38 | fd.on('data', function(data) { chunk += data.toString(); });
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39 | fd.on('end', function() {
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40 | chunk = chunk.split('\n').slice(-(lines+1));
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41 | chunk.pop();
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42 | callback(chunk);
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43 | });
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44 | };
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45 |
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46 | apps_list.sort(function(a, b) {
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47 | return (fs.existsSync(a.path) ? fs.statSync(a.path).mtime.valueOf() : 0) -
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48 | (fs.existsSync(b.path) ? fs.statSync(b.path).mtime.valueOf() : 0);
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49 | });
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50 |
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51 | forEachLimit(apps_list, 1, function(app, next) {
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52 | if (!fs.existsSync(app.path || ''))
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53 | return next();
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54 |
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55 | getLastLines(app.path, lines, function(output) {
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56 | console.log(chalk.grey('%s last %d lines:'), app.path, lines);
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57 | output.forEach(function(out) {
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58 | if (raw)
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59 | return app.type === 'err' ? console.error(out) : console.log(out);
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60 | if (app.type === 'out')
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61 | process.stdout.write(chalk.green(pad(DEFAULT_PADDING, app.app_name) + ' | '));
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62 | else if (app.type === 'err')
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63 | process.stdout.write(chalk.red(pad(DEFAULT_PADDING, app.app_name) + ' | '));
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64 | else
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65 | process.stdout.write(chalk.blue(pad(DEFAULT_PADDING, 'PM2') + ' | '));
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66 | console.log(out);
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67 | });
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68 | if (output.length)
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69 | process.stdout.write('\n');
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70 | next();
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71 | });
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72 | }, function() {
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73 | callback && callback();
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74 | });
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75 | };
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76 |
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77 |
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78 |
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79 |
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80 |
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81 |
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82 |
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83 |
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84 | Log.stream = function(Client, id, raw, timestamp, exclusive, highlight) {
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85 | var that = this;
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86 |
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87 | Client.launchBus(function(err, bus, socket) {
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88 |
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89 | socket.on('reconnect attempt', function() {
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90 | if (global._auto_exit === true) {
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91 | if (timestamp)
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92 | process.stdout.write(chalk['dim'](chalk.grey(dayjs().format(timestamp) + ' ')));
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93 | process.stdout.write(chalk.blue(pad(DEFAULT_PADDING, 'PM2') + ' | ') + '[[[ Target PM2 killed. ]]]');
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94 | process.exit(0);
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95 | }
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96 | });
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97 |
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98 | var min_padding = 3
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99 |
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100 | bus.on('log:*', function(type, packet) {
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101 | if (id !== 'all'
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102 | && packet.process.name != id
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103 | && packet.process.pm_id != id)
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104 | return;
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105 |
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106 | if ((type === 'out' && exclusive === 'err')
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107 | || (type === 'err' && exclusive === 'out')
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108 | || (type === 'PM2' && exclusive !== false))
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109 | return;
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110 |
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111 | var lines;
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112 |
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113 | if (typeof(packet.data) === 'string')
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114 | lines = (packet.data || '').split('\n');
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115 | else
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116 | return;
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117 |
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118 | lines.forEach(function(line) {
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119 | if (!line || line.length === 0) return;
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120 |
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121 | if (raw)
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122 | return type === 'err' ? process.stderr.write(util.format(line) + '\n') : process.stdout.write(util.format(line) + '\n');
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123 |
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124 | if (timestamp)
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125 | process.stdout.write(chalk['dim'](chalk.grey(dayjs().format(timestamp) + ' ')));
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126 |
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127 | var name = packet.process.pm_id + '|' + packet.process.name;
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128 |
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129 | if (name.length > min_padding)
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130 | min_padding = name.length + 1
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131 |
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132 | if (type === 'out')
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133 | process.stdout.write(chalk.green(pad(' '.repeat(min_padding), name) + ' | '));
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134 | else if (type === 'err')
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135 | process.stdout.write(chalk.red(pad(' '.repeat(min_padding), name) + ' | '));
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136 | else if (!raw && (id === 'all' || id === 'PM2'))
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137 | process.stdout.write(chalk.blue(pad(' '.repeat(min_padding), 'PM2') + ' | '));
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138 | if (highlight)
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139 | process.stdout.write(util.format(line).replace(highlight, chalk.bgBlackBright(highlight)) + '\n');
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140 | else
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141 | process.stdout.write(util.format(line)+ '\n');
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142 | });
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143 | });
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144 | });
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145 | };
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146 |
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147 | Log.devStream = function(Client, id, raw, timestamp, exclusive) {
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148 | var that = this;
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149 |
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150 | Client.launchBus(function(err, bus) {
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151 |
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152 | setTimeout(function() {
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153 | bus.on('process:event', function(packet) {
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154 | if (packet.event == 'online')
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155 | console.log(chalk.green('[rundev] App %s restarted'), packet.process.name);
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156 | });
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157 | }, 1000);
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158 |
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159 | var min_padding = 3
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160 |
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161 | bus.on('log:*', function(type, packet) {
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162 | if (id !== 'all'
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163 | && packet.process.name != id
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164 | && packet.process.pm_id != id)
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165 | return;
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166 |
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167 | if ((type === 'out' && exclusive === 'err')
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168 | || (type === 'err' && exclusive === 'out')
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169 | || (type === 'PM2' && exclusive !== false))
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170 | return;
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171 |
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172 | if (type === 'PM2')
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173 | return;
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174 |
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175 | var name = packet.process.pm_id + '|' + packet.process.name;
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176 |
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177 | var lines;
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178 |
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179 | if (typeof(packet.data) === 'string')
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180 | lines = (packet.data || '').split('\n');
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181 | else
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182 | return;
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183 |
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184 | lines.forEach(function(line) {
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185 | if (!line || line.length === 0) return;
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186 |
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187 | if (raw)
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188 | return process.stdout.write(util.format(line) + '\n');
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189 |
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190 | if (timestamp)
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191 | process.stdout.write(chalk['dim'](chalk.grey(dayjs().format(timestamp) + ' ')));
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192 |
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193 | var name = packet.process.name + '-' + packet.process.pm_id;
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194 |
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195 | if (name.length > min_padding)
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196 | min_padding = name.length + 1
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197 |
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198 | if (type === 'out')
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199 | process.stdout.write(chalk.green(pad(' '.repeat(min_padding), name) + ' | '));
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200 | else if (type === 'err')
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201 | process.stdout.write(chalk.red(pad(' '.repeat(min_padding), name) + ' | '));
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202 | else if (!raw && (id === 'all' || id === 'PM2'))
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203 | process.stdout.write(chalk.blue(pad(' '.repeat(min_padding), 'PM2') + ' | '));
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204 | process.stdout.write(util.format(line) + '\n');
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205 | });
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206 | });
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207 | });
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208 | };
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209 |
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210 | Log.jsonStream = function(Client, id) {
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211 | var that = this;
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212 |
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213 | Client.launchBus(function(err, bus) {
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214 | if (err) console.error(err);
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215 |
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216 | bus.on('process:event', function(packet) {
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217 | process.stdout.write(JSON.stringify({
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218 | timestamp : dayjs(packet.at),
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219 | type : 'process_event',
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220 | status : packet.event,
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221 | app_name : packet.process.name
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222 | }));
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223 | process.stdout.write('\n');
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224 | });
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225 |
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226 | bus.on('log:*', function(type, packet) {
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227 | if (id !== 'all'
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228 | && packet.process.name != id
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229 | && packet.process.pm_id != id)
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230 | return;
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231 |
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232 | if (type === 'PM2')
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233 | return;
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234 |
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235 | if (typeof(packet.data) == 'string')
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236 | packet.data = packet.data.replace(/(\r\n|\n|\r)/gm,'');
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237 |
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238 | process.stdout.write(JSON.stringify({
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239 | message : packet.data,
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240 | timestamp : dayjs(packet.at),
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241 | type : type,
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242 | process_id : packet.process.pm_id,
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243 | app_name : packet.process.name
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244 | }));
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245 | process.stdout.write('\n');
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246 | });
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247 | });
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248 | };
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249 |
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250 | Log.formatStream = function(Client, id, raw, timestamp, exclusive, highlight) {
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251 | var that = this;
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252 |
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253 | Client.launchBus(function(err, bus) {
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254 |
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255 | bus.on('log:*', function(type, packet) {
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256 | if (id !== 'all'
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257 | && packet.process.name != id
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258 | && packet.process.pm_id != id)
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259 | return;
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260 |
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261 | if ((type === 'out' && exclusive === 'err')
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262 | || (type === 'err' && exclusive === 'out')
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263 | || (type === 'PM2' && exclusive !== false))
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264 | return;
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265 |
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266 | if (type === 'PM2' && raw)
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267 | return;
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268 |
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269 | var name = packet.process.name + '-' + packet.process.pm_id;
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270 |
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271 | var lines;
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272 |
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273 | if (typeof(packet.data) === 'string')
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274 | lines = (packet.data || '').split('\n');
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275 | else
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276 | return;
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277 |
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278 | lines.forEach(function(line) {
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279 | if (!line || line.length === 0) return;
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280 |
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281 | if (!raw) {
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282 | if (timestamp)
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283 | process.stdout.write('timestamp=' + dayjs().format(timestamp) + ' ');
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284 | if (packet.process.name === 'PM2')
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285 | process.stdout.write('app=pm2 ');
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286 | if (packet.process.name !== 'PM2')
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287 | process.stdout.write('app=' + packet.process.name + ' id=' + packet.process.pm_id + ' ');
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288 | if (type === 'out')
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289 | process.stdout.write('type=out ');
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290 | else if (type === 'err')
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291 | process.stdout.write('type=error ');
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292 | }
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293 |
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294 | process.stdout.write('message=');
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295 | if (highlight)
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296 | process.stdout.write(util.format(line).replace(highlight, chalk.bgBlackBright(highlight)) + '\n');
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297 | else
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298 | process.stdout.write(util.format(line) + '\n');
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299 | });
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300 | });
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301 | });
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302 | };
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303 |
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304 | function pad(pad, str, padLeft) {
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305 | if (typeof str === 'undefined')
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306 | return pad;
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307 | if (padLeft) {
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308 | return (pad + str).slice(-pad.length);
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309 | } else {
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310 | return (str + pad).substring(0, pad.length);
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311 | }
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312 | }
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