fix

manifests/nodejs.pp

@@ -2,11 +2,11 @@
 class egg::nodejs () {
   package { 'nodejs':
     ensure => 'installed',
+    notify => Exec['install pm2'],
   }
   exec { 'install pm2':
     command     => 'npm install pm2 -g',
     path        => ['/bin','/usr/bin'],
-    refreshonly => true,
     unless      => 'test -f /usr/bin/pm2',
     require     => Package['nodejs'],
   }