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11 |
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12 | var p = require('path');
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13 | var cst = require('../constants');
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14 | var Utility = require('./Utility.js');
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15 |
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16 |
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17 | var pm2_env = JSON.parse(process.env.pm2_env);
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18 | for(var k in pm2_env) {
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19 | process.env[k] = pm2_env[k];
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20 | }
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21 |
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22 |
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23 | process.title = process.env.PROCESS_TITLE || 'node ' + pm2_env.pm_exec_path;
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24 |
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25 | delete process.env.pm2_env;
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26 |
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27 |
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28 |
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29 |
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30 | (function ProcessContainer() {
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31 | var fs = require('fs');
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32 |
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33 | require('./ProcessUtils').injectModules();
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34 |
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35 | var stdFile = pm2_env.pm_log_path;
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36 | var outFile = pm2_env.pm_out_log_path;
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37 | var errFile = pm2_env.pm_err_log_path;
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38 | var pidFile = pm2_env.pm_pid_path;
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39 | var script = pm2_env.pm_exec_path;
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40 |
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41 | var original_send = process.send;
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42 |
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43 | if (typeof(process.env.source_map_support) != 'undefined' &&
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44 | process.env.source_map_support !== 'false') {
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45 | require('source-map-support').install();
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46 | }
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47 |
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48 | process.send = function() {
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49 | if (process.connected)
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50 | original_send.apply(this, arguments);
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51 | };
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52 |
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53 |
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54 | if (process.versions && process.versions.node) {
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55 | process.send({
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56 | 'node_version': process.versions.node
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57 | });
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58 | }
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59 |
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60 | if (cst.MODIFY_REQUIRE)
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61 | require.main.filename = pm2_env.pm_exec_path;
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62 |
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63 |
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64 | require('module')._initPaths();
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65 |
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66 | try {
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67 | fs.writeFileSync(pidFile, process.pid);
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68 | } catch (e) {
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69 | console.error(e.stack || e);
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70 | }
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71 |
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72 |
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73 | if (process.env.args != null)
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74 | process.argv = process.argv.concat(pm2_env.args);
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75 |
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76 |
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77 | var stds = {
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78 | out: outFile,
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79 | err: errFile
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80 | };
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81 | stdFile && (stds.std = stdFile);
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82 |
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83 |
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84 | if (pm2_env.uid || pm2_env.gid) {
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85 | try {
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86 | if (pm2_env.uid)
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87 | process.setuid(pm2_env.uid);
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88 | if (process.env.gid)
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89 | process.setgid(pm2_env.gid);
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90 | } catch(e) {
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91 | setTimeout(function() {
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92 | console.error('%s on call %s', e.message, e.syscall);
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93 | console.error('%s is not accessible', pm2_env.uid);
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94 | return process.exit(1);
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95 | }, 100);
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96 | }
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97 | }
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98 |
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99 | exec(script, stds);
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100 | })();
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101 |
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102 |
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103 |
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104 |
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105 |
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106 |
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107 |
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108 |
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109 | function exec(script, stds) {
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110 | if (p.extname(script) == '.coffee') {
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111 | try {
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112 | require('coffee-script/register');
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113 | } catch (e) {
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114 | console.error('Failed to load CoffeeScript interpreter:', e.message || e);
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115 | }
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116 | }
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117 |
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118 | if (p.extname(script) == '.ls') {
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119 | try {
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120 | require('livescript');
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121 | } catch (e) {
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122 | console.error('Failed to load LiveScript interpreter:', e.message || e);
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123 | }
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124 | }
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125 |
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126 | if (p.extname(script) == '.ts' || p.extname(script) == '.tsx') {
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127 | try {
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128 | require('ts-node/register');
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129 | } catch (e) {
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130 | console.error('Failed to load Typescript interpreter:', e.message || e);
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131 | }
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132 | }
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133 |
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134 | process.on('message', function (msg) {
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135 | if (msg.type === 'log:reload') {
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136 | for (var k in stds){
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137 | if (typeof stds[k] == 'object' && !isNaN(stds[k].fd)){
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138 | if (stds[k].destroy) stds[k].destroy();
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139 | else if (stds[k].end) stds[k].end();
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140 | else if (stds[k].close) stds[k].close();
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141 | stds[k] = stds[k]._file;
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142 | }
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143 | }
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144 | Utility.startLogging(stds, function (err) {
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145 | if (err)
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146 | return console.error('Failed to reload logs:', err.stack);
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147 | console.log('Reloading log...');
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148 | });
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149 | }
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150 | });
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151 |
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152 | var dateFns = null;
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153 |
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154 | if (pm2_env.log_date_format)
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155 | dateFns = require('date-fns');
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156 |
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157 | Utility.startLogging(stds, function (err) {
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158 | if (err) {
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159 | process.send({
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160 | type : 'process:exception',
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161 | data : {
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162 | message: err.message,
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163 | syscall: 'ProcessContainer.startLogging'
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164 | }
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165 | });
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166 | throw err;
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167 | return;
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168 | }
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169 |
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170 | process.stderr.write = (function(write) {
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171 | return function(string, encoding, cb) {
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172 | var log_data = null;
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173 |
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174 |
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175 | if (pm2_env.disable_logs === true) {
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176 | return cb ? cb() : false;
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177 | }
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178 |
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179 | if (pm2_env.log_type && pm2_env.log_type === 'json') {
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180 | log_data = JSON.stringify({
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181 | message : string.toString(),
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182 | timestamp : pm2_env.log_date_format && dateFns ?
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183 | dateFns.format(Date.now(), pm2_env.log_date_format) : new Date().toISOString(),
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184 | type : 'err',
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185 | process_id : pm2_env.pm_id,
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186 | app_name : pm2_env.name
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187 | }) + '\n';
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188 | }
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189 | else if (pm2_env.log_date_format && dateFns)
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190 | log_data = `${dateFns.format(Date.now(), pm2_env.log_date_format)}: ${string.toString()}`;
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191 | else
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192 | log_data = string.toString();
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193 |
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194 | process.send({
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195 | type : 'log:err',
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196 | data : log_data
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197 | });
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198 |
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199 | if (Utility.checkPathIsNull(pm2_env.pm_err_log_path) &&
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200 | (!pm2_env.pm_log_path || Utility.checkPathIsNull(pm2_env.pm_log_path)))
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201 | return cb ? cb() : false;
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202 |
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203 | stds.std && stds.std.write && stds.std.write(log_data, encoding);
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204 | stds.err && stds.err.write && stds.err.write(log_data, encoding, cb);
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205 | };
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206 | })(process.stderr.write);
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207 |
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208 | process.stdout.write = (function(write) {
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209 | return function(string, encoding, cb) {
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210 | var log_data = null;
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211 |
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212 |
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213 | if (pm2_env.disable_logs === true) {
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214 | return cb ? cb() : false;
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215 | }
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216 |
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217 | if (pm2_env.log_type && pm2_env.log_type === 'json') {
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218 | log_data = JSON.stringify({
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219 | message : string.toString(),
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220 | timestamp : pm2_env.log_date_format && dateFns ?
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221 | dateFns.format(Date.now(), pm2_env.log_date_format) : new Date().toISOString(),
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222 | type : 'out',
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223 | process_id : pm2_env.pm_id,
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224 | app_name : pm2_env.name
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225 | }) + '\n';
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226 | }
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227 | else if (pm2_env.log_date_format && dateFns)
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228 | log_data = `${dateFns.format(Date.now(), pm2_env.log_date_format)}: ${string.toString()}`;
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229 | else
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230 | log_data = string.toString();
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231 |
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232 | process.send({
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233 | type : 'log:out',
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234 | data : log_data
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235 | });
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236 |
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237 | if (Utility.checkPathIsNull(pm2_env.pm_out_log_path) &&
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238 | (!pm2_env.pm_log_path || Utility.checkPathIsNull(pm2_env.pm_log_path)))
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239 | return cb ? cb() : null;
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240 |
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241 | stds.std && stds.std.write && stds.std.write(log_data, encoding);
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242 | stds.out && stds.out.write && stds.out.write(log_data, encoding, cb);
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243 | };
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244 | })(process.stdout.write);
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245 |
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246 | function getUncaughtExceptionListener(listener) {
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247 | return function uncaughtListener(err) {
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248 | var error = err && err.stack ? err.stack : err;
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249 |
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250 | if (listener === 'unhandledRejection') {
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251 | error = 'You have triggered an unhandledRejection, you may have forgotten to catch a Promise rejection:\n' + error;
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252 | }
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253 |
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254 | logError(['std', 'err'], error);
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255 |
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256 |
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257 | try {
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258 | if (err) {
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259 | var errObj = {};
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260 |
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261 | Object.getOwnPropertyNames(err).forEach(function(key) {
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262 | errObj[key] = err[key];
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263 | });
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264 | }
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265 |
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266 | process.send({
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267 | type : 'log:err',
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268 | data : '\n' + error + '\n'
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269 | });
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270 | process.send({
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271 | type : 'process:exception',
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272 | data : errObj !== undefined ? errObj : {message: 'No error but ' + listener + ' was caught!'}
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273 | });
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274 | } catch(e) {
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275 | logError(['std', 'err'], 'Channel is already closed can\'t broadcast error:\n' + e.stack);
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276 | }
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277 |
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278 | if (!process.listeners(listener).filter(function (listener) {
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279 | return listener !== uncaughtListener;
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280 | }).length) {
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281 | if (listener == 'uncaughtException') {
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282 | process.emit('disconnect');
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283 | process.exit(cst.CODE_UNCAUGHTEXCEPTION);
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284 | }
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285 | }
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286 | }
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287 | }
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288 |
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289 | process.on('uncaughtException', getUncaughtExceptionListener('uncaughtException'));
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290 | process.on('unhandledRejection', getUncaughtExceptionListener('unhandledRejection'));
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291 |
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292 |
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293 | process.chdir(pm2_env.pm_cwd || process.env.PWD || p.dirname(script));
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294 |
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295 | require('module')._load(script, null, true);
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296 |
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297 | function logError(types, error){
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298 | try {
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299 | types.forEach(function(type){
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300 | stds[type] && typeof stds[type].write == 'function' && stds[type].write(error + '\n');
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301 | });
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302 | } catch(e) { }
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303 | }
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304 | });
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305 |
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306 | }
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