File: //usr/sbin/ec2ifdown
#!/bin/bash
# Copyright 2012 Amazon.com, Inc. and its affiliates. All Rights Reserved.
#
# Licensed under the MIT License. See the LICENSE accompanying this file
# for the specific language governing permissions and limitations under
# the License.
if [ "$#" -eq 1 ]; then
INTERFACE="${1}"
else
echo "usage: ${0##*/} <device name>"
exit 1
fi
if [ $UID -ne 0 ]; then
echo "error: ${0##*/} must be run as root"
exit 1
fi
. /etc/sysconfig/network-scripts/ec2net-functions
deactivate_primary
unplug_interface