network: Fixed setting hostname on CentOS 7.

network/manifests/init.pp

@@ -92,9 +92,19 @@ class network::hostname {
             }
         }
         "centos","redhat": {
-            augeas { "set-hostname":
+            if versioncmp($::operatingsystemrelease, "7") >= 0 {
-                context => "/files/etc/sysconfig/network",
+                file { "/etc/hostname":
-                changes => "set HOSTNAME ${::homename}",
+                    ensure  => present,
+                    content => "${::homename}\n",
+                    mode    => "0644",
+                    owner   => "root",
+                    group   => "root",
+                }
+            } else {
+                augeas { "set-hostname":
+                    context => "/files/etc/sysconfig/network",
+                    changes => "set HOSTNAME ${::homename}",
+                }
             }
         }
         "openbsd": {