feat(startup): Allow custom service names for startup scripts

Especially when running mutliple instances of pm2 on one machine with
the same user this helps to create multiple startup scripts for each of
the instance.

Author: danez

bin/pm2

@@ -44,6 +44,7 @@ commander.version(pkg.version)
   .option('--gid <gid>', 'run target script with <gid> rights')
   .option('--cwd <path>', 'run target script as <username>')
   .option('--hp <home path>', 'define home path when generating startup script')
+  .option('--service-name <name>', 'define service name when generating startup script')
   .option('-c --cron <cron_pattern>', 'restart a running process based on a cron pattern')
   .option('-w --write', 'write configuration in local folder')
   .option('--interpreter <interpreter>', 'the interpreter pm2 should use for executing app (bash, python...)')

lib/API/Startup.js

@@ -64,9 +64,9 @@ module.exports = function(CLI) {
     var that = this;
     var actual_platform = detectInitSystem();
     var user = opts.user || process.env.USER;
-    var service_name = 'pm2-' + user;
+    var service_name = (opts.serviceName || 'pm2-' + user);
     var openrc_service_name = 'pm2';
-    var launchd_service_name = 'pm2.' + user;
+    var launchd_service_name = (opts.serviceName || 'pm2.' + user);
 
     if (!platform)
       platform = actual_platform;
@@ -166,9 +166,9 @@ module.exports = function(CLI) {
     var that = this;
     var actual_platform = detectInitSystem();
     var user = (opts.user || process.env.USER);
-    var service_name = 'pm2-' + user;
+    var service_name = (opts.serviceName || 'pm2-' + user);
     var openrc_service_name = 'pm2';
-    var launchd_service_name = 'pm2.' + user;
+    var launchd_service_name = (opts.serviceName || 'pm2.' + user);
 
     if (!platform)
       platform = actual_platform;

test/bash/startup.sh

@@ -10,6 +10,14 @@ SRC=$(cd $(dirname "$0"); pwd)
 source "${SRC}/include.sh"
 
 cd $file_path
+$pm2 startup upstart -u $USER --hp $HOME --service-name abcdef
+spec "should startup command generation exited succesfully with custom service-name"
+test -e /etc/init.d/abcdef
+spec "should have generated upstart file with custom service-name"
+$pm2 unstartup upstart --service-name abcdef
+spec "should have disabled startup with custom service-name"
+! test -e /etc/init.d/abcdef
+spec "should have deleted upstart file with custom service-name"
 
 $pm2 startup upstart -u $USER --hp $HOME
 spec "should startup command generation exited succesfully"