From 78d4d0a7902b6eb20b4353bb2b158f00e6d36a8a Mon Sep 17 00:00:00 2001
From: Mitchell Hashimoto <mitchell.hashimoto@gmail.com>
Date: Mon, 8 Apr 2013 11:02:03 -0700
Subject: [PATCH] Networks come back up properly after reboot on RedHat
 [GH-921]

---
 CHANGELOG.md                                    |  1 +
 plugins/guests/redhat/cap/configure_networks.rb | 11 ++++++++---
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index fe040f5a9..d5763c201 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -68,6 +68,7 @@ BUG FIXES:
     since they can be quite large and were messing with tmpfs. [GH-1442]
   - Fix issue parsing extra SSH args in `vagrant ssh` in multi-machine
     environments. [GH-1545]
+  - Networks come back up properly on RedHat systems after reboot. [GH-921]
 
 ## 1.1.6 (April 3, 2013)
 
diff --git a/plugins/guests/redhat/cap/configure_networks.rb b/plugins/guests/redhat/cap/configure_networks.rb
index 8a4ed4abc..227fecfa6 100644
--- a/plugins/guests/redhat/cap/configure_networks.rb
+++ b/plugins/guests/redhat/cap/configure_networks.rb
@@ -1,12 +1,14 @@
 require "set"
 require "tempfile"
 
+require "vagrant/util/retryable"
 require "vagrant/util/template_renderer"
 
 module VagrantPlugins
   module GuestRedHat
     module Cap
       class ConfigureNetworks
+        extend Vagrant::Util::Retryable
         include Vagrant::Util
 
         def self.configure_networks(machine, networks)
@@ -43,10 +45,13 @@ module VagrantPlugins
           # each specifically, we avoid reconfiguring eth0 (the NAT interface) so
           # SSH never dies.
           interfaces.each do |interface|
-            machine.communicate.sudo("/sbin/ifdown eth#{interface} 2> /dev/null", :error_check => false)
-            machine.communicate.sudo("cat /tmp/vagrant-network-entry_#{interface} >> #{network_scripts_dir}/ifcfg-eth#{interface}")
+            retryable(:on => Vagrant::Errors::VagrantError, :tries => 3, :sleep => 2) do
+              machine.communicate.sudo("/sbin/ifdown eth#{interface} 2> /dev/null", :error_check => false)
+              machine.communicate.sudo("cat /tmp/vagrant-network-entry_#{interface} >> #{network_scripts_dir}/ifcfg-eth#{interface}")
+              machine.communicate.sudo("/sbin/ifup eth#{interface} 2> /dev/null")
+            end
+
             machine.communicate.sudo("rm /tmp/vagrant-network-entry_#{interface}")
-            machine.communicate.sudo("/sbin/ifup eth#{interface} 2> /dev/null")
           end
         end
       end