Merge pull request #590 from 3flex/540-refine-worker_processes-validation

config: refined worker_processes validation

manifests/config.pp

@@ -94,7 +94,7 @@ class nginx::config(
 ) inherits ::nginx::params {
 
   ### Validations ###
-  if (!is_string($worker_processes)) and (!is_integer($worker_processes)) {
+  if ($worker_processes != 'auto') and (!is_integer($worker_processes)) {
     fail('$worker_processes must be an integer or have value "auto".')
   }
   if (!is_integer($worker_connections)) {

spec/classes/config_spec.rb

@@ -76,6 +76,12 @@ describe 'nginx::config' do
           :value => '4',
           :match => 'worker_processes 4;',
         },
+        {
+          :title => 'should set worker_processes',
+          :attr  => 'worker_processes',
+          :value => 'auto',
+          :match => 'worker_processes auto;',
+        },
         {
           :title => 'should set worker_rlimit_nofile',
           :attr  => 'worker_rlimit_nofile',