From 020d3703569c57a887dc75f3bd062bee72eb07ac Mon Sep 17 00:00:00 2001
From: Joshua Harlow <harlowja@yahoo-inc.com>
Date: Thu, 26 Apr 2012 13:59:44 -0700
Subject: [PATCH] Add a util that will help fix ubuntus network after openstack
 is cleared

---
 tools/clear-net-ubuntu.sh | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100755 tools/clear-net-ubuntu.sh

diff --git a/tools/clear-net-ubuntu.sh b/tools/clear-net-ubuntu.sh
new file mode 100755
index 00000000..61701748
--- /dev/null
+++ b/tools/clear-net-ubuntu.sh
@@ -0,0 +1,38 @@
+#!/bin/bash -x
+
+ETH_SRC="eth0"
+
+echo "Clearing your network up."
+
+if [[ -n `brctl show  | grep -i br100` ]]
+then
+    echo "Clearing br100 and making $ETH_SRC be the real interface."
+    #sudo ifconfig $ETH_SRC down
+    #sudo ifconfig br100 down
+    #sudo brctl delif br100 $ETH_SRC
+    #sudo brctl delbr br100
+fi
+
+if [[ -n `brctl show  | grep -i virbr0` ]]
+then
+    echo "Removing virbr0"
+    sudo ifconfig virbr0 down
+    sudo brctl delbr virbr0
+fi
+
+if [[ -z `grep "iface $ETH_SRC" /etc/network/interfaces` ]]
+then
+
+    echo "Readjusting /etc/network/interfaces to have DHCP on for $ETH_SRC"
+    sudo cat > /etc/network/interfaces <<EOF
+    auto $ETH_SRC
+    iface $ETH_SRC inet dhcp
+EOF
+
+    cat /etc/network/interfaces
+fi
+
+echo "Bringing back up $ETH_SRC"
+sudo ifup $ETH_SRC
+
+