The tftp module needs to be aware of CentOS 7

manifests/defaultroot.pp

@@ -12,7 +12,7 @@ class tftp::defaultroot
     $osdist = "${::operatingsystem}-${::operatingsystemrelease}"
     case $osdist
     {
-	/^(CentOS|Redhat|Scientific)-6(\.|$)/: {
+	/^(CentOS|Redhat|Scientific)-(6|7)(\.|$)/: {
 	    $tftproot = '/var/lib/tftpboot'
 	    file {
 		'/tftpboot':