Reload vhost changes, not restart

We can 'apache2 reload' vhost changes, which avoids apache stop /
start and downtime for jobs.

Change-Id: Idf44ec7cea09538687ddfccaeb3bea2fe6b7cf10
Signed-off-by: Paul Belanger <pabelanger@redhat.com>

manifests/init.pp

@@ -21,10 +21,17 @@ class httpd {
   }
 
   service { 'httpd':
-    ensure    => running,
-    name      => $httpd::params::apache_name,
-    enable    => true,
-    subscribe => Package['httpd'],
+    ensure     => running,
+    name       => $httpd::params::apache_name,
+    enable     => true,
+    subscribe  => Package['httpd'],
+    hasrestart => true,
+  }
+
+  exec { 'httpd-reload':
+    command     => "/usr/sbin/service ${httpd::params::apache_name} reload",
+    refreshonly => true,
+    require     => Service['httpd'],
   }
 
   file { 'httpd_vdir':

manifests/vhost.pp

@@ -94,7 +94,7 @@ define httpd::vhost(
       group   => 'root',
       mode    => '0755',
       require => Package['httpd'],
-      notify  => Service['httpd'],
+      notify  => Exec['httpd-reload'],
   }
 
   if $configure_firewall {