fix hostname change on pld

plugins/guests/pld/cap/change_host_name.rb

@@ -0,0 +1,20 @@
+module VagrantPlugins
+  module GuestPld
+    module Cap
+      class ChangeHostName
+        def self.change_host_name(machine, name)
+          machine.communicate.tap do |comm|
+            # Only do this if the hostname is not already set
+            if !comm.test("sudo hostname | grep --line-regexp '#{name}'")
+              comm.sudo("sed -i 's/\\(HOSTNAME=\\).*/\\1#{name}/' /etc/sysconfig/network")
+              comm.sudo("hostname #{name}")
+              comm.sudo("sed -i 's@^\\(127[.]0[.]0[.]1[[:space:]]\\+\\)@\\1#{name} #{name.split('.')[0]} @' /etc/hosts")
+              comm.sudo("sed -i 's/\\(DHCP_HOSTNAME=\\).*/\\1\"#{name}\"/' /etc/sysconfig/interfaces/ifcfg-*")
+              comm.sudo("service network restart")
+            end
+          end
+        end
+      end
+    end
+  end
+end